diff options
Diffstat (limited to 'tests/examples')
40 files changed, 5407 insertions, 0 deletions
diff --git a/tests/examples/Makefile.am b/tests/examples/Makefile.am new file mode 100644 index 00000000..323ced50 --- /dev/null +++ b/tests/examples/Makefile.am @@ -0,0 +1,14 @@ +if HAVE_GTK +GTK_EXAMPLES=scaletempo +else +GTK_EXAMPLES= +endif + +if USE_DIRECTFB +DIRECTFB_DIR=directfb +else +DIRECTFB_DIR= +endif + +SUBDIRS= $(DIRECTFB_DIR) $(GTK_EXAMPLES) switch +DIST_SUBDIRS= directfb switch scaletempo diff --git a/tests/examples/app/.gitignore b/tests/examples/app/.gitignore new file mode 100644 index 00000000..8a2c7615 --- /dev/null +++ b/tests/examples/app/.gitignore @@ -0,0 +1,6 @@ +appsrc_ex +appsrc-ra +appsrc-seekable +appsrc-stream +appsrc-stream2 +appsink-src diff --git a/tests/examples/app/Makefile.am b/tests/examples/app/Makefile.am new file mode 100644 index 00000000..4f3df777 --- /dev/null +++ b/tests/examples/app/Makefile.am @@ -0,0 +1,32 @@ + +noinst_PROGRAMS = appsrc_ex appsrc-stream appsrc-stream2 appsrc-ra \ + appsrc-seekable appsink-src + +appsrc_ex_SOURCES = appsrc_ex.c +appsrc_ex_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsrc_ex_LDFLAGS = \ + $(GST_LIBS) \ + $(top_builddir)/gst-libs/gst/app/libgstapp-@GST_MAJORMINOR@.la + +appsrc_stream_SOURCES = appsrc-stream.c +appsrc_stream_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsrc_stream_LDFLAGS = $(GST_LIBS) + +appsrc_stream2_SOURCES = appsrc-stream2.c +appsrc_stream2_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsrc_stream2_LDFLAGS = $(GST_LIBS) + +appsrc_ra_SOURCES = appsrc-ra.c +appsrc_ra_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsrc_ra_LDFLAGS = $(GST_LIBS) + +appsrc_seekable_SOURCES = appsrc-seekable.c +appsrc_seekable_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsrc_seekable_LDFLAGS = $(GST_LIBS) + +appsink_src_SOURCES = appsink-src.c +appsink_src_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +appsink_src_LDFLAGS = \ + $(GST_LIBS) \ + $(top_builddir)/gst-libs/gst/app/libgstapp-@GST_MAJORMINOR@.la + diff --git a/tests/examples/app/appsink-src.c b/tests/examples/app/appsink-src.c new file mode 100644 index 00000000..a92dfb51 --- /dev/null +++ b/tests/examples/app/appsink-src.c @@ -0,0 +1,192 @@ +#include <gst/gst.h> + +#include <string.h> + +#include <gst/app/gstappsrc.h> +#include <gst/app/gstappsink.h> +#include <gst/app/gstappbuffer.h> + +/* these are the caps we are going to pass through the appsink and appsrc */ +const gchar *audio_caps = + "audio/x-raw-int,channels=1,rate=8000,signed=(boolean)true,width=16,depth=16,endianness=1234"; + +typedef struct +{ + GMainLoop *loop; + GstElement *source; + GstElement *sink; +} ProgramData; + +/* called when the appsink notifies us that there is a new buffer ready for + * processing */ +static void +on_new_buffer_from_source (GstElement * elt, ProgramData * data) +{ + guint size; + gpointer raw_buffer; + GstBuffer *app_buffer, *buffer; + GstElement *source; + + /* get the buffer from appsink */ + buffer = gst_app_sink_pull_buffer (GST_APP_SINK (elt)); + + /* turn it into an app buffer, it's not really needed, we could simply push + * the retrieved buffer from appsink into appsrc just fine. */ + size = GST_BUFFER_SIZE (buffer); + g_print ("Pushing a buffer of size %d\n", size); + raw_buffer = g_malloc0 (size); + memcpy (raw_buffer, GST_BUFFER_DATA (buffer), size); + app_buffer = gst_app_buffer_new (raw_buffer, size, g_free, raw_buffer); + + /* newer basesrc will set caps for use automatically but it does not really + * hurt to set it on the buffer again */ + gst_buffer_set_caps (app_buffer, GST_BUFFER_CAPS (buffer)); + + /* we don't need the appsink buffer anymore */ + gst_buffer_unref (buffer); + + /* get source an push new buffer */ + source = gst_bin_get_by_name (GST_BIN (data->sink), "testsource"); + gst_app_src_push_buffer (GST_APP_SRC (source), app_buffer); +} + +/* called when we get a GstMessage from the source pipeline when we get EOS, we + * notify the appsrc of it. */ +static gboolean +on_source_message (GstBus * bus, GstMessage * message, ProgramData * data) +{ + GstElement *source; + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_EOS: + g_print ("The source got dry\n"); + source = gst_bin_get_by_name (GST_BIN (data->sink), "testsource"); + gst_app_src_end_of_stream (GST_APP_SRC (source)); + break; + case GST_MESSAGE_ERROR: + g_print ("Received error\n"); + g_main_loop_quit (data->loop); + break; + default: + break; + } + return TRUE; +} + +/* called when we get a GstMessage from the sink pipeline when we get EOS, we + * exit the mainloop and this testapp. */ +static gboolean +on_sink_message (GstBus * bus, GstMessage * message, ProgramData * data) +{ + /* nil */ + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_EOS: + g_print ("Finished playback\n"); + g_main_loop_quit (data->loop); + break; + case GST_MESSAGE_ERROR: + g_print ("Received error\n"); + g_main_loop_quit (data->loop); + break; + default: + break; + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + gchar *filename = NULL; + ProgramData *data = NULL; + gchar *string = NULL; + GstBus *bus = NULL; + GstElement *testsink = NULL; + GstElement *testsource = NULL; + + gst_init (&argc, &argv); + + if (argc == 2) + filename = g_strdup (argv[1]); + else + filename = g_strdup ("/usr/share/sounds/ekiga/ring.wav"); + + data = g_new0 (ProgramData, 1); + + data->loop = g_main_loop_new (NULL, FALSE); + + /* setting up source pipeline, we read from a file and convert to our desired + * caps. */ + string = + g_strdup_printf + ("filesrc location=\"%s\" ! wavparse ! audioconvert ! audioresample ! appsink caps=\"%s\" name=testsink", + filename, audio_caps); + g_free (filename); + data->source = gst_parse_launch (string, NULL); + g_free (string); + + if (data->source == NULL) { + g_print ("Bad source\n"); + return -1; + } + + /* to be notified of messages from this pipeline, mostly EOS */ + bus = gst_element_get_bus (data->source); + gst_bus_add_watch (bus, (GstBusFunc) on_source_message, data); + gst_object_unref (bus); + + /* we use appsink in push mode, it sends us a signal when data is available + * and we pull out the data in the signal callback. We want the appsink to + * push as fast as it can, hence the sync=false */ + testsink = gst_bin_get_by_name (GST_BIN (data->source), "testsink"); + g_object_set (G_OBJECT (testsink), "emit-signals", TRUE, "sync", FALSE, NULL); + g_signal_connect (testsink, "new-buffer", + G_CALLBACK (on_new_buffer_from_source), data); + gst_object_unref (testsink); + + /* setting up sink pipeline, we push audio data into this pipeline that will + * then play it back using the default audio sink. We have no blocking + * behaviour on the src which means that we will push the entire file into + * memory. */ + string = + g_strdup_printf ("appsrc name=testsource caps=\"%s\" ! autoaudiosink", + audio_caps); + data->sink = gst_parse_launch (string, NULL); + g_free (string); + + if (data->sink == NULL) { + g_print ("Bad sink\n"); + return -1; + } + + testsource = gst_bin_get_by_name (GST_BIN (data->sink), "testsource"); + /* configure for time-based format */ + g_object_set (testsource, "format", GST_FORMAT_TIME, NULL); + /* uncomment the next line to block when appsrc has buffered enough */ + /* g_object_set (testsource, "block", TRUE, NULL); */ + gst_object_unref (testsource); + + bus = gst_element_get_bus (data->sink); + gst_bus_add_watch (bus, (GstBusFunc) on_sink_message, data); + gst_object_unref (bus); + + /* launching things */ + gst_element_set_state (data->sink, GST_STATE_PLAYING); + gst_element_set_state (data->source, GST_STATE_PLAYING); + + /* let's run !, this loop will quit when the sink pipeline goes EOS or when an + * error occurs in the source or sink pipelines. */ + g_print ("Let's run!\n"); + g_main_loop_run (data->loop); + g_print ("Going out\n"); + + gst_element_set_state (data->source, GST_STATE_NULL); + gst_element_set_state (data->sink, GST_STATE_NULL); + + gst_object_unref (data->source); + gst_object_unref (data->sink); + g_main_loop_unref (data->loop); + g_free (data); + + return 0; +} diff --git a/tests/examples/app/appsrc-ra.c b/tests/examples/app/appsrc-ra.c new file mode 100644 index 00000000..aa4962fe --- /dev/null +++ b/tests/examples/app/appsrc-ra.c @@ -0,0 +1,223 @@ +/* GStreamer + * + * appsrc-ra.c: example for using appsrc in random-access mode. + * + * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +GST_DEBUG_CATEGORY (appsrc_playbin_debug); +#define GST_CAT_DEFAULT appsrc_playbin_debug + +/* + * an example application of using appsrc in random-access mode. When the + * appsrc requests data with the need-data signal, we retrieve a buffer of the + * requested size and push it to appsrc. + * + * This is a good example how one would deal with a local file resource. + * + * Appsrc in random-access mode needs seeking support and we must thus connect + * to the seek signal to perform any seeks when requested. + * + * In random-access mode we must set the size of the source material. + */ +typedef struct _App App; + +struct _App +{ + GstElement *playbin; + GstElement *appsrc; + + GMainLoop *loop; + + GMappedFile *file; + guint8 *data; + gsize length; + guint64 offset; +}; + +App s_app; + +/* This method is called by the need-data signal callback, we feed data into the + * appsrc with the requested size. + */ +static void +feed_data (GstElement * appsrc, guint size, App * app) +{ + GstBuffer *buffer; + GstFlowReturn ret; + + buffer = gst_buffer_new (); + + if (app->offset >= app->length) { + /* we are EOS, send end-of-stream */ + g_signal_emit_by_name (app->appsrc, "end-of-stream", &ret); + return; + } + + /* read the amount of data, we are allowed to return less if we are EOS */ + if (app->offset + size > app->length) + size = app->length - app->offset; + + GST_BUFFER_DATA (buffer) = app->data + app->offset; + GST_BUFFER_SIZE (buffer) = size; + /* we need to set an offset for random access */ + GST_BUFFER_OFFSET (buffer) = app->offset; + GST_BUFFER_OFFSET_END (buffer) = app->offset + size; + + GST_DEBUG ("feed buffer %p, offset %" G_GUINT64_FORMAT "-%u", buffer, + app->offset, size); + g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret); + gst_buffer_unref (buffer); + + app->offset += size; + + return; +} + +/* called when appsrc wants us to return data from a new position with the next + * call to push-buffer. */ +static gboolean +seek_data (GstElement * appsrc, guint64 position, App * app) +{ + GST_DEBUG ("seek to offset %" G_GUINT64_FORMAT, position); + app->offset = position; + + return TRUE; +} + +/* this callback is called when playbin2 has constructed a source object to read + * from. Since we provided the appsrc:// uri to playbin2, this will be the + * appsrc that we must handle. We set up some signals to push data into appsrc + * and one to perform a seek. */ +static void +found_source (GObject * object, GObject * orig, GParamSpec * pspec, App * app) +{ + /* get a handle to the appsrc */ + g_object_get (orig, pspec->name, &app->appsrc, NULL); + + GST_DEBUG ("got appsrc %p", app->appsrc); + + /* we can set the length in appsrc. This allows some elements to estimate the + * total duration of the stream. It's a good idea to set the property when you + * can but it's not required. */ + g_object_set (app->appsrc, "size", app->length, NULL); + g_object_set (app->appsrc, "stream-type", 2, NULL); + + /* configure the appsrc, we will push a buffer to appsrc when it needs more + * data */ + g_signal_connect (app->appsrc, "need-data", G_CALLBACK (feed_data), app); + g_signal_connect (app->appsrc, "seek-data", G_CALLBACK (seek_data), app); +} + +static gboolean +bus_message (GstBus * bus, GstMessage * message, App * app) +{ + GST_DEBUG ("got message %s", + gst_message_type_get_name (GST_MESSAGE_TYPE (message))); + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("received error"); + g_main_loop_quit (app->loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (app->loop); + break; + default: + break; + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + App *app = &s_app; + GError *error = NULL; + GstBus *bus; + + gst_init (&argc, &argv); + + GST_DEBUG_CATEGORY_INIT (appsrc_playbin_debug, "appsrc-playbin", 0, + "appsrc playbin example"); + + if (argc < 2) { + g_print ("usage: %s <filename>\n", argv[0]); + return -1; + } + + /* try to open the file as an mmapped file */ + app->file = g_mapped_file_new (argv[1], FALSE, &error); + if (error) { + g_print ("failed to open file: %s\n", error->message); + g_error_free (error); + return -2; + } + /* get some vitals, this will be used to read data from the mmapped file and + * feed it to appsrc. */ + app->length = g_mapped_file_get_length (app->file); + app->data = (guint8 *) g_mapped_file_get_contents (app->file); + app->offset = 0; + + /* create a mainloop to get messages */ + app->loop = g_main_loop_new (NULL, TRUE); + + app->playbin = gst_element_factory_make ("playbin2", NULL); + g_assert (app->playbin); + + bus = gst_pipeline_get_bus (GST_PIPELINE (app->playbin)); + + /* add watch for messages */ + gst_bus_add_watch (bus, (GstBusFunc) bus_message, app); + + /* set to read from appsrc */ + g_object_set (app->playbin, "uri", "appsrc://", NULL); + + /* get notification when the source is created so that we get a handle to it + * and can configure it */ + g_signal_connect (app->playbin, "deep-notify::source", + (GCallback) found_source, app); + + /* go to playing and wait in a mainloop. */ + gst_element_set_state (app->playbin, GST_STATE_PLAYING); + + /* this mainloop is stopped when we receive an error or EOS */ + g_main_loop_run (app->loop); + + GST_DEBUG ("stopping"); + + gst_element_set_state (app->playbin, GST_STATE_NULL); + + /* free the file */ + g_mapped_file_free (app->file); + + gst_object_unref (bus); + g_main_loop_unref (app->loop); + + return 0; +} diff --git a/tests/examples/app/appsrc-seekable.c b/tests/examples/app/appsrc-seekable.c new file mode 100644 index 00000000..7137d13e --- /dev/null +++ b/tests/examples/app/appsrc-seekable.c @@ -0,0 +1,229 @@ +/* GStreamer + * + * appsrc-seekable.c: example for using appsrc in seekable mode. + * + * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +GST_DEBUG_CATEGORY (appsrc_playbin_debug); +#define GST_CAT_DEFAULT appsrc_playbin_debug + +/* + * an example application of using appsrc in seekable mode. When the + * appsrc requests data with the need-data signal, we retrieve a buffer and + * push it to appsrc. We can also use the method as demonstrated in + * appsrc-stream.c, ie. pushing buffers when we can. + * + * This is a good example how one would deal with a remote http server that + * supports range requests. + * + * Appsrc in seekable mode needs seeking support and we must thus connect + * to the seek signal to perform any seeks when requested. + * + * In seekable mode we should set the size of the source material. + */ +typedef struct _App App; + +struct _App +{ + GstElement *playbin; + GstElement *appsrc; + + GMainLoop *loop; + + GMappedFile *file; + guint8 *data; + gsize length; + guint64 offset; +}; + +App s_app; + +#define CHUNK_SIZE 4096 + +/* This method is called by the need-data signal callback, we feed data into the + * appsrc with an arbitrary size. + */ +static void +feed_data (GstElement * appsrc, guint size, App * app) +{ + GstBuffer *buffer; + guint len; + GstFlowReturn ret; + + buffer = gst_buffer_new (); + + if (app->offset >= app->length) { + /* we are EOS, send end-of-stream */ + g_signal_emit_by_name (app->appsrc, "end-of-stream", &ret); + return; + } + + /* read any amount of data, we are allowed to return less if we are EOS */ + len = CHUNK_SIZE; + if (app->offset + len > app->length) + len = app->length - app->offset; + + GST_BUFFER_DATA (buffer) = app->data + app->offset; + GST_BUFFER_SIZE (buffer) = len; + + GST_DEBUG ("feed buffer %p, offset %" G_GUINT64_FORMAT "-%u", buffer, + app->offset, len); + g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret); + gst_buffer_unref (buffer); + + app->offset += len; + + return; +} + +/* called when appsrc wants us to return data from a new position with the next + * call to push-buffer. */ +static gboolean +seek_data (GstElement * appsrc, guint64 position, App * app) +{ + GST_DEBUG ("seek to offset %" G_GUINT64_FORMAT, position); + app->offset = position; + + return TRUE; +} + +/* this callback is called when playbin2 has constructed a source object to read + * from. Since we provided the appsrc:// uri to playbin2, this will be the + * appsrc that we must handle. We set up some signals to push data into appsrc + * and one to perform a seek. */ +static void +found_source (GObject * object, GObject * orig, GParamSpec * pspec, App * app) +{ + /* get a handle to the appsrc */ + g_object_get (orig, pspec->name, &app->appsrc, NULL); + + GST_DEBUG ("got appsrc %p", app->appsrc); + + /* we can set the length in appsrc. This allows some elements to estimate the + * total duration of the stream. It's a good idea to set the property when you + * can but it's not required. */ + g_object_set (app->appsrc, "size", app->length, NULL); + /* we are seekable in push mode, this means that the element usually pushes + * out buffers of an undefined size and that seeks happen only occasionally + * and only by request of the user. */ + g_object_set (app->appsrc, "stream-type", 1, NULL); + + /* configure the appsrc, we will push a buffer to appsrc when it needs more + * data */ + g_signal_connect (app->appsrc, "need-data", G_CALLBACK (feed_data), app); + g_signal_connect (app->appsrc, "seek-data", G_CALLBACK (seek_data), app); +} + +static gboolean +bus_message (GstBus * bus, GstMessage * message, App * app) +{ + GST_DEBUG ("got message %s", + gst_message_type_get_name (GST_MESSAGE_TYPE (message))); + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("received error"); + g_main_loop_quit (app->loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (app->loop); + break; + default: + break; + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + App *app = &s_app; + GError *error = NULL; + GstBus *bus; + + gst_init (&argc, &argv); + + GST_DEBUG_CATEGORY_INIT (appsrc_playbin_debug, "appsrc-playbin", 0, + "appsrc playbin example"); + + if (argc < 2) { + g_print ("usage: %s <filename>\n", argv[0]); + return -1; + } + + /* try to open the file as an mmapped file */ + app->file = g_mapped_file_new (argv[1], FALSE, &error); + if (error) { + g_print ("failed to open file: %s\n", error->message); + g_error_free (error); + return -2; + } + /* get some vitals, this will be used to read data from the mmapped file and + * feed it to appsrc. */ + app->length = g_mapped_file_get_length (app->file); + app->data = (guint8 *) g_mapped_file_get_contents (app->file); + app->offset = 0; + + /* create a mainloop to get messages */ + app->loop = g_main_loop_new (NULL, TRUE); + + app->playbin = gst_element_factory_make ("playbin2", NULL); + g_assert (app->playbin); + + bus = gst_pipeline_get_bus (GST_PIPELINE (app->playbin)); + + /* add watch for messages */ + gst_bus_add_watch (bus, (GstBusFunc) bus_message, app); + + /* set to read from appsrc */ + g_object_set (app->playbin, "uri", "appsrc://", NULL); + + /* get notification when the source is created so that we get a handle to it + * and can configure it */ + g_signal_connect (app->playbin, "deep-notify::source", + (GCallback) found_source, app); + + /* go to playing and wait in a mainloop. */ + gst_element_set_state (app->playbin, GST_STATE_PLAYING); + + /* this mainloop is stopped when we receive an error or EOS */ + g_main_loop_run (app->loop); + + GST_DEBUG ("stopping"); + + gst_element_set_state (app->playbin, GST_STATE_NULL); + + /* free the file */ + g_mapped_file_free (app->file); + + gst_object_unref (bus); + g_main_loop_unref (app->loop); + + return 0; +} diff --git a/tests/examples/app/appsrc-stream.c b/tests/examples/app/appsrc-stream.c new file mode 100644 index 00000000..870d707c --- /dev/null +++ b/tests/examples/app/appsrc-stream.c @@ -0,0 +1,249 @@ +/* GStreamer + * + * appsrc-stream.c: example for using appsrc in streaming mode. + * + * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +GST_DEBUG_CATEGORY (appsrc_playbin_debug); +#define GST_CAT_DEFAULT appsrc_playbin_debug + +/* + * an example application of using appsrc in streaming push mode. We simply push + * buffers into appsrc. The size of the buffers we push can be any size we + * choose. + * + * This example is very close to how one would deal with a streaming webserver + * that does not support range requests or does not report the total file size. + * + * Some optimisations are done so that we don't push too much data. We connect + * to the need-data and enough-data signals to start/stop sending buffers. + * + * Appsrc in streaming mode (the default) does not support seeking so we don't + * have to handle any seek callbacks. + * + * Some formats are able to estimate the duration of the media file based on the + * file length (mp3, mpeg,..), others report an unknown length (ogg,..). + */ +typedef struct _App App; + +struct _App +{ + GstElement *playbin; + GstElement *appsrc; + + GMainLoop *loop; + guint sourceid; + + GMappedFile *file; + guint8 *data; + gsize length; + guint64 offset; +}; + +App s_app; + +#define CHUNK_SIZE 4096 + +/* This method is called by the idle GSource in the mainloop. We feed CHUNK_SIZE + * bytes into appsrc. + * The ide handler is added to the mainloop when appsrc requests us to start + * sending data (need-data signal) and is removed when appsrc has enough data + * (enough-data signal). + */ +static gboolean +read_data (App * app) +{ + GstBuffer *buffer; + guint len; + GstFlowReturn ret; + + buffer = gst_buffer_new (); + + if (app->offset >= app->length) { + /* we are EOS, send end-of-stream and remove the source */ + g_signal_emit_by_name (app->appsrc, "end-of-stream", &ret); + return FALSE; + } + + /* read the next chunk */ + len = CHUNK_SIZE; + if (app->offset + len > app->length) + len = app->length - app->offset; + + GST_BUFFER_DATA (buffer) = app->data + app->offset; + GST_BUFFER_SIZE (buffer) = len; + + GST_DEBUG ("feed buffer %p, offset %" G_GUINT64_FORMAT "-%u", buffer, + app->offset, len); + g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret); + gst_buffer_unref (buffer); + if (ret != GST_FLOW_OK) { + /* some error, stop sending data */ + return FALSE; + } + + app->offset += len; + + return TRUE; +} + +/* This signal callback is called when appsrc needs data, we add an idle handler + * to the mainloop to start pushing data into the appsrc */ +static void +start_feed (GstElement * playbin, guint size, App * app) +{ + if (app->sourceid == 0) { + GST_DEBUG ("start feeding"); + app->sourceid = g_idle_add ((GSourceFunc) read_data, app); + } +} + +/* This callback is called when appsrc has enough data and we can stop sending. + * We remove the idle handler from the mainloop */ +static void +stop_feed (GstElement * playbin, App * app) +{ + if (app->sourceid != 0) { + GST_DEBUG ("stop feeding"); + g_source_remove (app->sourceid); + app->sourceid = 0; + } +} + +/* this callback is called when playbin2 has constructed a source object to read + * from. Since we provided the appsrc:// uri to playbin2, this will be the + * appsrc that we must handle. We set up some signals to start and stop pushing + * data into appsrc */ +static void +found_source (GObject * object, GObject * orig, GParamSpec * pspec, App * app) +{ + /* get a handle to the appsrc */ + g_object_get (orig, pspec->name, &app->appsrc, NULL); + + GST_DEBUG ("got appsrc %p", app->appsrc); + + /* we can set the length in appsrc. This allows some elements to estimate the + * total duration of the stream. It's a good idea to set the property when you + * can but it's not required. */ + g_object_set (app->appsrc, "size", app->length, NULL); + + /* configure the appsrc, we will push data into the appsrc from the + * mainloop. */ + g_signal_connect (app->appsrc, "need-data", G_CALLBACK (start_feed), app); + g_signal_connect (app->appsrc, "enough-data", G_CALLBACK (stop_feed), app); +} + +static gboolean +bus_message (GstBus * bus, GstMessage * message, App * app) +{ + GST_DEBUG ("got message %s", + gst_message_type_get_name (GST_MESSAGE_TYPE (message))); + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("received error"); + g_main_loop_quit (app->loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (app->loop); + break; + default: + break; + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + App *app = &s_app; + GError *error = NULL; + GstBus *bus; + + gst_init (&argc, &argv); + + GST_DEBUG_CATEGORY_INIT (appsrc_playbin_debug, "appsrc-playbin", 0, + "appsrc playbin example"); + + if (argc < 2) { + g_print ("usage: %s <filename>\n", argv[0]); + return -1; + } + + /* try to open the file as an mmapped file */ + app->file = g_mapped_file_new (argv[1], FALSE, &error); + if (error) { + g_print ("failed to open file: %s\n", error->message); + g_error_free (error); + return -2; + } + /* get some vitals, this will be used to read data from the mmapped file and + * feed it to appsrc. */ + app->length = g_mapped_file_get_length (app->file); + app->data = (guint8 *) g_mapped_file_get_contents (app->file); + app->offset = 0; + + /* create a mainloop to get messages and to handle the idle handler that will + * feed data to appsrc. */ + app->loop = g_main_loop_new (NULL, TRUE); + + app->playbin = gst_element_factory_make ("playbin2", NULL); + g_assert (app->playbin); + + bus = gst_pipeline_get_bus (GST_PIPELINE (app->playbin)); + + /* add watch for messages */ + gst_bus_add_watch (bus, (GstBusFunc) bus_message, app); + + /* set to read from appsrc */ + g_object_set (app->playbin, "uri", "appsrc://", NULL); + + /* get notification when the source is created so that we get a handle to it + * and can configure it */ + g_signal_connect (app->playbin, "deep-notify::source", + (GCallback) found_source, app); + + /* go to playing and wait in a mainloop. */ + gst_element_set_state (app->playbin, GST_STATE_PLAYING); + + /* this mainloop is stopped when we receive an error or EOS */ + g_main_loop_run (app->loop); + + GST_DEBUG ("stopping"); + + gst_element_set_state (app->playbin, GST_STATE_NULL); + + /* free the file */ + g_mapped_file_free (app->file); + + gst_object_unref (bus); + g_main_loop_unref (app->loop); + + return 0; +} diff --git a/tests/examples/app/appsrc-stream2.c b/tests/examples/app/appsrc-stream2.c new file mode 100644 index 00000000..866b0504 --- /dev/null +++ b/tests/examples/app/appsrc-stream2.c @@ -0,0 +1,219 @@ +/* GStreamer + * + * appsrc-stream2.c: example for using appsrc in streaming mode. + * + * Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +GST_DEBUG_CATEGORY (appsrc_playbin_debug); +#define GST_CAT_DEFAULT appsrc_playbin_debug + +/* + * an example application of using appsrc in streaming pull mode. When the + * appsrc request data with the need-data signal, we retrieve a buffer of an + * arbitrary size and push it to appsrc. + * + * This example keeps the internal buffer queue of appsrc to a minimal size, + * only feeding data to appsrc when needed. + * + * This is a good example how one would deal with a live resource, such as a udp + * socket where one would feed the most recently acquired buffer to appsrc. + * + * Usually one would timestamp the buffers with the running_time of the + * pipeline or configure the appsrc to do timestamping by setting the + * do-timestamp property to TRUE. + * + * Appsrc in streaming mode (the default) does not support seeking so we don't + * have to handle any seek callbacks. + * + * Some formats are able to estimate the duration of the media file based on the + * file length (mp3, mpeg,..), others report an unknown length (ogg,..). + */ +typedef struct _App App; + +struct _App +{ + GstElement *playbin; + GstElement *appsrc; + + GMainLoop *loop; + + GMappedFile *file; + guint8 *data; + gsize length; + guint64 offset; +}; + +App s_app; + +#define CHUNK_SIZE 4096 + +/* This method is called by the need-data signal callback, we feed data into the + * appsrc. + */ +static void +feed_data (GstElement * appsrc, guint size, App * app) +{ + GstBuffer *buffer; + guint len; + GstFlowReturn ret; + + buffer = gst_buffer_new (); + + if (app->offset >= app->length) { + /* we are EOS, send end-of-stream */ + g_signal_emit_by_name (app->appsrc, "end-of-stream", &ret); + return; + } + + /* read the next chunk */ + len = CHUNK_SIZE; + if (app->offset + len > app->length) + len = app->length - app->offset; + + GST_BUFFER_DATA (buffer) = app->data + app->offset; + GST_BUFFER_SIZE (buffer) = len; + + GST_DEBUG ("feed buffer %p, offset %" G_GUINT64_FORMAT "-%u", buffer, + app->offset, len); + g_signal_emit_by_name (app->appsrc, "push-buffer", buffer, &ret); + gst_buffer_unref (buffer); + + app->offset += len; + + return; +} + +/* this callback is called when playbin2 has constructed a source object to read + * from. Since we provided the appsrc:// uri to playbin2, this will be the + * appsrc that we must handle. We set up a signals to push data into appsrc. */ +static void +found_source (GObject * object, GObject * orig, GParamSpec * pspec, App * app) +{ + /* get a handle to the appsrc */ + g_object_get (orig, pspec->name, &app->appsrc, NULL); + + GST_DEBUG ("got appsrc %p", app->appsrc); + + /* we can set the length in appsrc. This allows some elements to estimate the + * total duration of the stream. It's a good idea to set the property when you + * can but it's not required. */ + g_object_set (app->appsrc, "size", app->length, NULL); + + /* configure the appsrc, we will push a buffer to appsrc when it needs more + * data */ + g_signal_connect (app->appsrc, "need-data", G_CALLBACK (feed_data), app); +} + +static gboolean +bus_message (GstBus * bus, GstMessage * message, App * app) +{ + GST_DEBUG ("got message %s", + gst_message_type_get_name (GST_MESSAGE_TYPE (message))); + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR: + g_error ("received error"); + g_main_loop_quit (app->loop); + break; + case GST_MESSAGE_EOS: + g_main_loop_quit (app->loop); + break; + default: + break; + } + return TRUE; +} + +int +main (int argc, char *argv[]) +{ + App *app = &s_app; + GError *error = NULL; + GstBus *bus; + + gst_init (&argc, &argv); + + GST_DEBUG_CATEGORY_INIT (appsrc_playbin_debug, "appsrc-playbin", 0, + "appsrc playbin example"); + + if (argc < 2) { + g_print ("usage: %s <filename>\n", argv[0]); + return -1; + } + + /* try to open the file as an mmapped file */ + app->file = g_mapped_file_new (argv[1], FALSE, &error); + if (error) { + g_print ("failed to open file: %s\n", error->message); + g_error_free (error); + return -2; + } + /* get some vitals, this will be used to read data from the mmapped file and + * feed it to appsrc. */ + app->length = g_mapped_file_get_length (app->file); + app->data = (guint8 *) g_mapped_file_get_contents (app->file); + app->offset = 0; + + /* create a mainloop to get messages */ + app->loop = g_main_loop_new (NULL, TRUE); + + app->playbin = gst_element_factory_make ("playbin2", NULL); + g_assert (app->playbin); + + bus = gst_pipeline_get_bus (GST_PIPELINE (app->playbin)); + + /* add watch for messages */ + gst_bus_add_watch (bus, (GstBusFunc) bus_message, app); + + /* set to read from appsrc */ + g_object_set (app->playbin, "uri", "appsrc://", NULL); + + /* get notification when the source is created so that we get a handle to it + * and can configure it */ + g_signal_connect (app->playbin, "deep-notify::source", + (GCallback) found_source, app); + + /* go to playing and wait in a mainloop. */ + gst_element_set_state (app->playbin, GST_STATE_PLAYING); + + /* this mainloop is stopped when we receive an error or EOS */ + g_main_loop_run (app->loop); + + GST_DEBUG ("stopping"); + + gst_element_set_state (app->playbin, GST_STATE_NULL); + + /* free the file */ + g_mapped_file_free (app->file); + + gst_object_unref (bus); + g_main_loop_unref (app->loop); + + return 0; +} diff --git a/tests/examples/app/appsrc_ex.c b/tests/examples/app/appsrc_ex.c new file mode 100644 index 00000000..bc629fb0 --- /dev/null +++ b/tests/examples/app/appsrc_ex.c @@ -0,0 +1,89 @@ + + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gst/app/gstappsrc.h> +#include <gst/app/gstappbuffer.h> +#include <gst/app/gstappsink.h> + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + + +typedef struct _App App; +struct _App +{ + GstElement *pipe; + GstElement *src; + GstElement *id; + GstElement *sink; +}; + +App s_app; + +static void dont_eat_my_chicken_wings (void *priv); + +int +main (int argc, char *argv[]) +{ + App *app = &s_app; + int i; + + gst_init (&argc, &argv); + + app->pipe = gst_pipeline_new (NULL); + g_assert (app->pipe); + + app->src = gst_element_factory_make ("appsrc", NULL); + g_assert (app->src); + gst_bin_add (GST_BIN (app->pipe), app->src); + + app->id = gst_element_factory_make ("identity", NULL); + g_assert (app->id); + gst_bin_add (GST_BIN (app->pipe), app->id); + + app->sink = gst_element_factory_make ("appsink", NULL); + g_assert (app->sink); + gst_bin_add (GST_BIN (app->pipe), app->sink); + + gst_element_link (app->src, app->id); + gst_element_link (app->id, app->sink); + + gst_element_set_state (app->pipe, GST_STATE_PLAYING); + + for (i = 0; i < 10; i++) { + GstBuffer *buf; + void *data; + + data = malloc (100); + memset (data, i, 100); + + buf = gst_app_buffer_new (data, 100, dont_eat_my_chicken_wings, data); + printf ("%d: creating buffer for pointer %p, %p\n", i, data, buf); + gst_app_src_push_buffer (GST_APP_SRC (app->src), buf); + } + + gst_app_src_end_of_stream (GST_APP_SRC (app->src)); + + while (!gst_app_sink_is_eos (GST_APP_SINK (app->sink))) { + GstBuffer *buf; + + buf = gst_app_sink_pull_buffer (GST_APP_SINK (app->sink)); + printf ("retrieved buffer %p\n", buf); + gst_buffer_unref (buf); + } + gst_element_set_state (app->pipe, GST_STATE_NULL); + + return 0; +} + +static void +dont_eat_my_chicken_wings (void *priv) +{ + printf ("freeing buffer for pointer %p\n", priv); + free (priv); +} diff --git a/tests/examples/capsfilter/Makefile.am b/tests/examples/capsfilter/Makefile.am new file mode 100644 index 00000000..f8562fee --- /dev/null +++ b/tests/examples/capsfilter/Makefile.am @@ -0,0 +1,6 @@ +noinst_PROGRAMS = capsfilter1 + +LDADD = $(GST_LIBS) +AM_CFLAGS = $(GST_CFLAGS) + + diff --git a/tests/examples/capsfilter/capsfilter1.c b/tests/examples/capsfilter/capsfilter1.c new file mode 100644 index 00000000..a59f728e --- /dev/null +++ b/tests/examples/capsfilter/capsfilter1.c @@ -0,0 +1,87 @@ +#include <string.h> +#include <gst/gst.h> + +/* This app uses a filter to connect colorspace and videosink + * so that only RGB data can pass the connection, colorspace will use + * a converter to convert the I420 data to RGB. Without a filter, this + * connection would use the I420 format (assuming Xv is enabled) */ + +static void +new_pad_func (GstElement * element, GstPad * newpad, gpointer data) +{ + GstElement *pipeline = (GstElement *) data; + GstElement *queue = gst_bin_get_by_name (GST_BIN (pipeline), "queue"); + + if (!strcmp (gst_pad_get_name (newpad), "video_00")) { + gst_element_set_state (pipeline, GST_STATE_PAUSED); + gst_pad_link (newpad, gst_element_get_pad (queue, "sink")); + gst_element_set_state (pipeline, GST_STATE_PLAYING); + } +} + +gint +main (gint argc, gchar * argv[]) +{ + GstElement *pipeline; + GstElement *filesrc; + GstElement *demux; + GstElement *thread; + GstElement *queue; + GstElement *mpeg2dec; + GstElement *colorspace; + GstElement *videosink; + gboolean res; + + gst_init (&argc, &argv); + + if (argc < 2) { + g_print ("usage: %s <mpeg1 system stream>\n", argv[0]); + return (-1); + } + + pipeline = gst_pipeline_new ("main_pipeline"); + filesrc = gst_element_factory_make ("filesrc", "filesrc"); + g_return_val_if_fail (filesrc, -1); + g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL); + demux = gst_element_factory_make ("mpegdemux", "demux"); + g_return_val_if_fail (demux, -1); + g_signal_connect (G_OBJECT (demux), "new_pad", G_CALLBACK (new_pad_func), + pipeline); + + thread = gst_thread_new ("thread"); + queue = gst_element_factory_make ("queue", "queue"); + mpeg2dec = gst_element_factory_make ("mpeg2dec", "mpeg2dec"); + g_return_val_if_fail (mpeg2dec, -1); + colorspace = gst_element_factory_make ("ffmpegcolorspace", "colorspace"); + g_return_val_if_fail (colorspace, -1); + videosink = gst_element_factory_make (DEFAULT_VIDEOSINK, "videosink"); + g_return_val_if_fail (videosink, -1); + + gst_bin_add (GST_BIN (pipeline), filesrc); + gst_bin_add (GST_BIN (pipeline), demux); + + gst_bin_add (GST_BIN (thread), queue); + gst_bin_add (GST_BIN (thread), mpeg2dec); + gst_bin_add (GST_BIN (thread), colorspace); + gst_bin_add (GST_BIN (thread), videosink); + gst_bin_add (GST_BIN (pipeline), thread); + + gst_element_link_pads (filesrc, "src", demux, "sink"); + gst_element_link_pads (queue, "src", mpeg2dec, "sink"); + gst_element_link_pads (mpeg2dec, "src", colorspace, "sink"); + /* force RGB data passing between colorspace and videosink */ + res = gst_element_link_pads_filtered (colorspace, "src", videosink, "sink", + gst_caps_new_simple ("video/x-raw-rgb", NULL)); + if (!res) { + g_print ("could not connect colorspace and videosink\n"); + return -1; + } + + gst_element_set_state (pipeline, GST_STATE_PLAYING); + + while (gst_bin_iterate (GST_BIN (pipeline))); + + gst_element_set_state (pipeline, GST_STATE_NULL); + + return 0; +} diff --git a/tests/examples/directfb/.gitignore b/tests/examples/directfb/.gitignore new file mode 100644 index 00000000..5faebe91 --- /dev/null +++ b/tests/examples/directfb/.gitignore @@ -0,0 +1 @@ +gstdfb diff --git a/tests/examples/directfb/Makefile.am b/tests/examples/directfb/Makefile.am new file mode 100644 index 00000000..595a82ff --- /dev/null +++ b/tests/examples/directfb/Makefile.am @@ -0,0 +1,9 @@ +noinst_PROGRAMS = gstdfb + +gstdfb_SOURCES = gstdfb.c +gstdfb_CFLAGS = $(GST_CFLAGS) $(DIRECTFB_CFLAGS) +gstdfb_LDFLAGS = $(GST_LIBS) $(DIRECTFB_LIBS) + +EXTRA_DIST = \ + decker.ttf dfblogo.png + diff --git a/tests/examples/directfb/decker.ttf b/tests/examples/directfb/decker.ttf Binary files differnew file mode 100644 index 00000000..5e721cfd --- /dev/null +++ b/tests/examples/directfb/decker.ttf diff --git a/tests/examples/directfb/dfblogo.png b/tests/examples/directfb/dfblogo.png Binary files differnew file mode 100644 index 00000000..8b7d8833 --- /dev/null +++ b/tests/examples/directfb/dfblogo.png diff --git a/tests/examples/directfb/gstdfb.c b/tests/examples/directfb/gstdfb.c new file mode 100644 index 00000000..675e5e23 --- /dev/null +++ b/tests/examples/directfb/gstdfb.c @@ -0,0 +1,514 @@ +/* + (c) Copyright 2000-2002 convergence integrated media GmbH. + All rights reserved. + + Written by Denis Oliver Kropp <dok@directfb.org>, + Andreas Hundt <andi@fischlustig.de>, + Sven Neumann <neo@directfb.org> and + Julien Moutte <julien@moutte.net>. + + This file is subject to the terms and conditions of the MIT License: + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <math.h> +#include <time.h> + +#include <directfb.h> +#include <gst/gst.h> +#include <string.h> + +/* macro for a safe call to DirectFB functions */ +#define DFBCHECK(x...) \ + { \ + err = x; \ + if (err != DFB_OK) { \ + fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \ + DirectFBErrorFatal( #x, err ); \ + } \ + } + +typedef struct +{ + const gchar *padname; + GstPad *target; + GstElement *bin; +} dyn_link; + +static inline long +myclock () +{ + struct timeval tv; + + gettimeofday (&tv, NULL); + return (tv.tv_sec * 1000 + tv.tv_usec / 1000); +} + +static void +dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data) +{ + dyn_link *connect = (dyn_link *) data; + + if (connect->padname == NULL || + !strcmp (gst_pad_get_name (newpad), connect->padname)) { + gst_pad_link (newpad, connect->target); + } +} + +static void +size_changed (GObject * obj, GParamSpec * pspec, IDirectFBWindow * window) +{ + GstPad *pad = GST_PAD (obj); + GstStructure *s; + GstCaps *caps; + + if (!(caps = gst_pad_get_negotiated_caps (pad))) + return; + + s = gst_caps_get_structure (caps, 0); + if (s) { + gint width, height; + + if (!(gst_structure_get_int (s, "width", &width) && + gst_structure_get_int (s, "height", &height))) + return; + + window->Resize (window, width, height); + } +} + +static void +setup_dynamic_link (GstElement * element, const gchar * padname, + GstPad * target, GstElement * bin) +{ + dyn_link *connect; + + connect = g_new0 (dyn_link, 1); + connect->padname = g_strdup (padname); + connect->target = target; + connect->bin = bin; + + g_signal_connect (G_OBJECT (element), "pad-added", G_CALLBACK (dynamic_link), + connect); +} + +int +main (int argc, char *argv[]) +{ + IDirectFB *dfb; + IDirectFBDisplayLayer *layer; + + IDirectFBImageProvider *provider; + IDirectFBVideoProvider *video_provider; + + IDirectFBSurface *bgsurface; + + IDirectFBWindow *window1; + IDirectFBWindow *window2; + IDirectFBWindow *window3; + IDirectFBSurface *window_surface1; + IDirectFBSurface *window_surface2; + IDirectFBSurface *window_surface3; + + GstElement *pipeline; + + IDirectFBEventBuffer *buffer; + + IDirectFBFont *font; + + DFBDisplayLayerConfig layer_config; + DFBGraphicsDeviceDescription gdesc; + DFBWindowID id1; + DFBWindowID id2; + DFBWindowID id3; + + int fontheight; + int err; + int quit = 0; + + + DFBCHECK (DirectFBInit (&argc, &argv)); + gst_init (&argc, &argv); + DFBCHECK (DirectFBCreate (&dfb)); + + dfb->GetDeviceDescription (dfb, &gdesc); + + DFBCHECK (dfb->GetDisplayLayer (dfb, DLID_PRIMARY, &layer)); + + layer->SetCooperativeLevel (layer, DLSCL_ADMINISTRATIVE); + + if (!((gdesc.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL) && + (gdesc.blitting_flags & DSBLIT_BLEND_COLORALPHA))) { + layer_config.flags = DLCONF_BUFFERMODE; + layer_config.buffermode = DLBM_BACKSYSTEM; + + layer->SetConfiguration (layer, &layer_config); + } + + layer->GetConfiguration (layer, &layer_config); + layer->EnableCursor (layer, 1); + + { + DFBFontDescription desc; + + desc.flags = DFDESC_HEIGHT; + desc.height = layer_config.width / 50; + + DFBCHECK (dfb->CreateFont (dfb, "decker.ttf", &desc, &font)); + font->GetHeight (font, &fontheight); + } + + if (argc < 2 || + dfb->CreateVideoProvider (dfb, argv[1], &video_provider) != DFB_OK) { + video_provider = NULL; + } + + { + DFBSurfaceDescription desc; + + desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT; + desc.width = layer_config.width; + desc.height = layer_config.height; + + DFBCHECK (dfb->CreateSurface (dfb, &desc, &bgsurface)); + + DFBCHECK (bgsurface->SetFont (bgsurface, font)); + + bgsurface->SetColor (bgsurface, 0xCF, 0xCF, 0xFF, 0xFF); + bgsurface->DrawString (bgsurface, + "Move the mouse over a window to activate it.", + -1, 0, 0, DSTF_LEFT | DSTF_TOP); + + bgsurface->SetColor (bgsurface, 0xCF, 0xDF, 0xCF, 0xFF); + bgsurface->DrawString (bgsurface, + "Press left mouse button and drag to move the window.", + -1, 0, fontheight, DSTF_LEFT | DSTF_TOP); + + bgsurface->SetColor (bgsurface, 0xCF, 0xEF, 0x9F, 0xFF); + bgsurface->DrawString (bgsurface, + "Press middle mouse button to raise/lower the window.", + -1, 0, fontheight * 2, DSTF_LEFT | DSTF_TOP); + + bgsurface->SetColor (bgsurface, 0xCF, 0xFF, 0x6F, 0xFF); + bgsurface->DrawString (bgsurface, + "Press right mouse button when you are done.", -1, + 0, fontheight * 3, DSTF_LEFT | DSTF_TOP); + + layer->SetBackgroundImage (layer, bgsurface); + layer->SetBackgroundMode (layer, DLBM_IMAGE); + } + + { + DFBSurfaceDescription sdsc; + DFBWindowDescription desc; + + desc.flags = (DWDESC_POSX | DWDESC_POSY | DWDESC_WIDTH | DWDESC_HEIGHT); + + if (!video_provider) { + desc.caps = DWCAPS_ALPHACHANNEL; + desc.flags |= DWDESC_CAPS; + + sdsc.width = 300; + sdsc.height = 200; + } else { + video_provider->GetSurfaceDescription (video_provider, &sdsc); + + if (sdsc.flags & DSDESC_CAPS) { + desc.flags |= DWDESC_SURFACE_CAPS; + desc.surface_caps = sdsc.caps; + } + } + + desc.posx = 20; + desc.posy = 120; + desc.width = sdsc.width; + desc.height = sdsc.height; + + DFBCHECK (layer->CreateWindow (layer, &desc, &window2)); + window2->GetSurface (window2, &window_surface2); + + window2->SetOpacity (window2, 0xFF); + + window2->GetID (window2, &id2); + + window2->CreateEventBuffer (window2, &buffer); + + if (video_provider) { + video_provider->PlayTo (video_provider, window_surface2, + NULL, NULL, NULL); + } else { + window_surface2->SetColor (window_surface2, 0x00, 0x30, 0x10, 0xc0); + window_surface2->DrawRectangle (window_surface2, + 0, 0, desc.width, desc.height); + window_surface2->SetColor (window_surface2, 0x80, 0xa0, 0x00, 0x90); + window_surface2->FillRectangle (window_surface2, + 1, 1, desc.width - 2, desc.height - 2); + } + + window_surface2->Flip (window_surface2, NULL, 0); + } + + { + DFBWindowDescription desc; + + desc.flags = (DWDESC_POSX | DWDESC_POSY | + DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS); + desc.posx = 200; + desc.posy = 200; + desc.width = 512; + desc.height = 145; + desc.caps = DWCAPS_ALPHACHANNEL; + + DFBCHECK (layer->CreateWindow (layer, &desc, &window1)); + window1->GetSurface (window1, &window_surface1); + + DFBCHECK (dfb->CreateImageProvider (dfb, "dfblogo.png", &provider)); + provider->RenderTo (provider, window_surface1, NULL); + + window_surface1->SetColor (window_surface1, 0xFF, 0x20, 0x20, 0x90); + window_surface1->DrawRectangle (window_surface1, + 0, 0, desc.width, desc.height); + + window_surface1->Flip (window_surface1, NULL, 0); + + provider->Release (provider); + + window1->AttachEventBuffer (window1, buffer); + + window1->SetOpacity (window1, 0xFF); + + window1->GetID (window1, &id1); + } + + { + DFBWindowDescription desc; + GstElement *src, *decode; + GstElement *v_queue, *v_scale, *cs, *v_sink; + GstElement *a_queue, *conv, *a_sink; + GstPad *v_pad, *a_pad; + + desc.flags = (DWDESC_POSX | DWDESC_POSY | + DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS); + desc.posx = 10; + desc.posy = 10; + desc.width = 100; + desc.height = 100; + desc.caps = DWCAPS_ALPHACHANNEL; + + DFBCHECK (layer->CreateWindow (layer, &desc, &window3)); + window3->GetSurface (window3, &window_surface3); + + window3->AttachEventBuffer (window3, buffer); + + window3->SetOpacity (window3, 0xFF); + + window3->GetID (window3, &id3); + + pipeline = gst_pipeline_new ("pipeline"); + + src = gst_element_factory_make ("gnomevfssrc", "src"); + g_object_set (src, "location", argv[1], NULL); + decode = gst_element_factory_make ("decodebin", "decode"); + + v_queue = gst_element_factory_make ("queue", "v_queue"); + v_scale = gst_element_factory_make ("videoscale", "v_scale"); + cs = gst_element_factory_make ("ffmpegcolorspace", "cs"); + v_sink = gst_element_factory_make ("dfbvideosink", "v_sink"); + g_object_set (v_sink, "surface", window_surface3, NULL); + + a_queue = gst_element_factory_make ("queue", "a_queue"); + conv = gst_element_factory_make ("audioconvert", "conv"); + a_sink = gst_element_factory_make ("alsasink", "a_sink"); + + gst_bin_add_many (GST_BIN (pipeline), src, decode, NULL); + gst_bin_add_many (GST_BIN (pipeline), v_queue, v_scale, cs, v_sink, NULL); + gst_bin_add_many (GST_BIN (pipeline), a_queue, conv, a_sink, NULL); + + gst_element_link (src, decode); + gst_element_link_many (v_queue, v_scale, cs, v_sink, NULL); + gst_element_link_many (a_queue, conv, a_sink, NULL); + + v_pad = gst_element_get_static_pad (v_queue, "sink"); + a_pad = gst_element_get_static_pad (a_queue, "sink"); + + setup_dynamic_link (decode, NULL, v_pad, NULL); + setup_dynamic_link (decode, NULL, a_pad, NULL); + + /* We want to know when the size is defined */ + g_signal_connect (v_pad, "notify::caps", G_CALLBACK (size_changed), + window3); + + gst_object_unref (a_pad); + gst_object_unref (v_pad); + + gst_element_set_state (pipeline, GST_STATE_PLAYING); + } + + window1->RequestFocus (window1); + window1->RaiseToTop (window1); + + while (!quit) { + static IDirectFBWindow *active = NULL; + static int grabbed = 0; + static int startx = 0; + static int starty = 0; + static int endx = 0; + static int endy = 0; + DFBWindowEvent evt; + + buffer->WaitForEventWithTimeout (buffer, 0, 10); + + while (buffer->GetEvent (buffer, DFB_EVENT (&evt)) == DFB_OK) { + IDirectFBWindow *window; + + if (evt.window_id == id1) + window = window1; + else if (evt.window_id == id3) + window = window3; + else + window = window2; + + if (evt.type == DWET_GOTFOCUS) { + active = window; + } else if (active) { + switch (evt.type) { + + case DWET_BUTTONDOWN: + if (!grabbed && evt.button == DIBI_LEFT) { + grabbed = 1; + startx = evt.cx; + starty = evt.cy; + window->GrabPointer (window); + } + break; + + case DWET_BUTTONUP: + switch (evt.button) { + case DIBI_LEFT: + if (grabbed) { + window->UngrabPointer (window); + grabbed = 0; + } + break; + case DIBI_MIDDLE: + active->RaiseToTop (active); + break; + case DIBI_RIGHT: + quit = DIKS_DOWN; + break; + default: + break; + } + break; + + case DWET_KEYDOWN: + if (grabbed) + break; + switch (evt.key_id) { + case DIKI_RIGHT: + active->Move (active, 1, 0); + break; + case DIKI_LEFT: + active->Move (active, -1, 0); + break; + case DIKI_UP: + active->Move (active, 0, -1); + break; + case DIKI_DOWN: + active->Move (active, 0, 1); + break; + default: + break; + } + break; + + case DWET_LOSTFOCUS: + if (!grabbed && active == window) + active = NULL; + break; + + default: + break; + + } + } + + switch (evt.type) { + + case DWET_MOTION: + endx = evt.cx; + endy = evt.cy; + break; + + case DWET_KEYDOWN: + switch (evt.key_symbol) { + case DIKS_ESCAPE: + case DIKS_SMALL_Q: + case DIKS_CAPITAL_Q: + case DIKS_BACK: + case DIKS_STOP: + quit = 1; + break; + default: + break; + } + break; + + default: + break; + } + } + + if (video_provider) + window_surface2->Flip (window_surface2, NULL, 0); + + if (active) { + if (grabbed) { + active->Move (active, endx - startx, endy - starty); + startx = endx; + starty = endy; + } + active->SetOpacity (active, (sin (myclock () / 300.0) * 85) + 170); + } + } + + if (video_provider) + video_provider->Release (video_provider); + + gst_element_set_state (pipeline, GST_STATE_NULL); + + buffer->Release (buffer); + font->Release (font); + window_surface2->Release (window_surface2); + window_surface1->Release (window_surface1); + window_surface3->Release (window_surface3); + window2->Release (window2); + window1->Release (window1); + window3->Release (window3); + layer->Release (layer); + bgsurface->Release (bgsurface); + dfb->Release (dfb); + + return 42; +} diff --git a/tests/examples/gob/Makefile.am b/tests/examples/gob/Makefile.am new file mode 100644 index 00000000..7abde4dc --- /dev/null +++ b/tests/examples/gob/Makefile.am @@ -0,0 +1,19 @@ + +plugin_LTLIBRARIES = libgstidentity2.la + +GOB_FILES_ID = gst-identity2.c gst-identity2.h gst-identity2-private.h + +BUILT_SOURCES = \ + $(GOB_FILES_ID) + +libgstidentity2_la_SOURCES = gst-identity2.gob $(GOB_FILES_ID) +libgstidentity2_la_CFLAGS = $(GST_CFLAGS) +libgstidentity2_la_LIBADD = + +%.c %.h %-private.h: %.gob + gob $< + +CLEANFILES = $(GOB_FILES_ID) + +dist-hook: + cd $(distdir); rm -f $(CLEANFILES) diff --git a/tests/examples/gob/gst-identity2.gob b/tests/examples/gob/gst-identity2.gob new file mode 100644 index 00000000..9c34cb55 --- /dev/null +++ b/tests/examples/gob/gst-identity2.gob @@ -0,0 +1,141 @@ + +%header{ +#include <gst/gst.h> +#include "gst-identity2.h" +#include "gst-identity2-private.h" +%} + +class Gst:Identity2 from Gst:Element { + + /* plugin init */ + private gboolean + plugin_init (GModule *module, GstPlugin *plugin) + { + static GstElementDetails identity2_details = { + "GOB Identity", + "Filter/Effect", + "Does nothing", + "1.0", + "Wim Taymans <wim.taymans@chello.be>", + "(C) 2001", + }; + GstElementFactory *factory; + + factory = gst_elementfactory_new ("identity2", TYPE_SELF, + &identity2_details); + g_return_val_if_fail (factory != NULL, FALSE); + + gst_plugin_add_feature (plugin, &(factory->feature)); + + return TRUE; + } + + /* pads FIXME gob oculd be improved here */ + private GstPad *sinkpad = + { + gst_pad_new ("sink", GST_PAD_SINK); + gst_element_add_pad (GST_ELEMENT (o), o->_priv->sinkpad); + gst_pad_set_chain_function (o->_priv->sinkpad, chain); + gst_pad_set_bufferpool_function (o->_priv->sinkpad, get_bufferpool); + //gst_pad_set_negotiate_function (o->_priv->sinkpad, negotiate_sink); + }; + private GstPad *srcpad = + { + gst_pad_new ("src", GST_PAD_SRC); + gst_element_add_pad (GST_ELEMENT (o), o->_priv->srcpad); + //gst_pad_set_negotiate_function (o->_priv->srcpad, negotiate_src); + }; + + /* arguments */ + /* + private gboolean loop_based = FALSE; argument BOOL loop_based + get { + ARG = self->_priv->loop_based; + } + set { + self->_priv->loop_based = ARG; + if (self->_priv->loop_based) { + gst_element_set_loop_function (GST_ELEMENT (self), loop); + gst_pad_set_chain_function (self->_priv->sinkpad, NULL); + } + else { + gst_pad_set_chain_function (self->_priv->sinkpad, chain); + gst_element_set_loop_function (GST_ELEMENT (self), NULL); + } + };*/ + private guint sleep_time = 0; argument UINT sleep_time link; + private gboolean silent = FALSE; argument BOOL silent link; + + /* signals */ + private signal last NONE(NONE) void handoff(self); + + /* core code here */ + private GstBufferPool* + get_bufferpool (GstPad *pad (check null)) + { + Self *self = SELF (gst_pad_get_parent (pad)); + + return gst_pad_get_bufferpool (self->_priv->srcpad); + } + + /* private GstPadNegotiateReturn + negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data) + { + Self *self = SELF (gst_pad_get_parent (pad)); + + return gst_pad_negotiate_proxy (pad, self->_priv->sinkpad, caps); + } + + private GstPadNegotiateReturn + negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data) + { + Self *self = SELF (gst_pad_get_parent (pad)); + + return gst_pad_negotiate_proxy (pad, self->_priv->srcpad, caps); + } */ + + private void + chain (GstPad *pad (check null), GstBuffer *buf (check null)) + { + Self *self; + + self = SELF (gst_pad_get_parent (pad)); + + if (!self->_priv->silent) + g_print("identity2: chain ******* (%s:%s)i \n",GST_DEBUG_PAD_NAME(pad)); + + handoff (self); + gst_pad_push (self->_priv->srcpad, buf); + + if (self->_priv->sleep_time) + usleep (self->_priv->sleep_time); + } + + /*private void + loop (GstElement *element (check null)) + { + Self *self = SELF (element); + GstBuffer *buf; + + do { + buf = gst_pad_pull (self->_priv->sinkpad); + g_print("identity2: loop ******* (%s:%s)i \n",GST_DEBUG_PAD_NAME(self->_priv->sinkpad)); + + handoff (self); + gst_pad_push (self->_priv->srcpad, buf); + + if (self->_priv->sleep_time) + usleep (self->_priv->sleep_time); + + } while (!GST_ELEMENT_IS_COTHREAD_STOPPING(element)); + }*/ +} + +%{ +GstPluginDesc plugin_desc = { + GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "identity2", + gst_identity2_plugin_init +}; +%} diff --git a/tests/examples/gstplay/.gitignore b/tests/examples/gstplay/.gitignore new file mode 100644 index 00000000..a1eb1c43 --- /dev/null +++ b/tests/examples/gstplay/.gitignore @@ -0,0 +1 @@ +player diff --git a/tests/examples/gstplay/Makefile.am b/tests/examples/gstplay/Makefile.am new file mode 100644 index 00000000..cbae9cbf --- /dev/null +++ b/tests/examples/gstplay/Makefile.am @@ -0,0 +1,11 @@ + +noinst_PROGRAMS = player + +player_SOURCES = player.c +player_CFLAGS = $(GST_CFLAGS) $(GCONF_CFLAGS) +player_LDFLAGS = \ + $(GST_LIBS) \ + $(top_builddir)/gst-libs/gst/gconf/libgstgconf-@GST_MAJORMINOR@.la \ + $(top_builddir)/gst-libs/gst/play/libgstplay-@GST_MAJORMINOR@.la \ + $(top_builddir)/gst-libs/gst/libgstinterfaces-$(GST_MAJORMINOR).la + diff --git a/tests/examples/gstplay/player.c b/tests/examples/gstplay/player.c new file mode 100644 index 00000000..76453785 --- /dev/null +++ b/tests/examples/gstplay/player.c @@ -0,0 +1,176 @@ +/* GStreamer + * Copyright (C) 2003 Julien Moutte <julien@moutte.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <gst/play/play.h> +#include <gst/gconf/gconf.h> + +static GMainLoop *loop = NULL; +static gint64 length = 0; + +static void +print_tag (const GstTagList * list, const gchar * tag, gpointer unused) +{ + gint i, count; + + count = gst_tag_list_get_tag_size (list, tag); + + for (i = 0; i < count; i++) { + gchar *str; + + if (gst_tag_get_type (tag) == G_TYPE_STRING) { + if (!gst_tag_list_get_string_index (list, tag, i, &str)) + g_assert_not_reached (); + } else { + str = + g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i)); + } + + if (i == 0) { + g_print ("%15s: %s\n", gst_tag_get_nick (tag), str); + } else { + g_print (" : %s\n", str); + } + + g_free (str); + } +} + +static void +got_found_tag (GstPlay * play, GstElement * source, GstTagList * tag_list) +{ + gst_tag_list_foreach (tag_list, print_tag, NULL); +} + +static void +got_time_tick (GstPlay * play, gint64 time_nanos) +{ + g_print ("time tick %f\n", time_nanos / (float) GST_SECOND); +} + +static void +got_stream_length (GstPlay * play, gint64 length_nanos) +{ + g_print ("got length %" G_GUINT64_FORMAT "\n", length_nanos); + length = length_nanos; +} + +static void +got_video_size (GstPlay * play, gint width, gint height) +{ + g_print ("got video size %d, %d\n", width, height); +} + +static void +got_eos (GstPlay * play) +{ + g_print ("End Of Stream\n"); + g_main_loop_quit (loop); +} + +static gboolean +seek_timer (GstPlay * play) +{ + gst_play_seek_to_time (play, length / 2); + return FALSE; +} + +int +main (int argc, char *argv[]) +{ + GstPlay *play; + GstElement *data_src, *video_sink, *audio_sink, *vis_element; + GError *error = NULL; + + /* Initing GStreamer library */ + gst_init (&argc, &argv); + + if (argc != 2) { + g_print ("usage: %s <video filename>\n", argv[0]); + exit (-1); + } + + loop = g_main_loop_new (NULL, FALSE); + + /* Creating the GstPlay object */ + play = gst_play_new (&error); + if (error) { + g_print ("Error: could not create play object:\n%s\n", error->message); + g_error_free (error); + return 1; + } + + /* Getting default audio and video plugins from GConf */ + vis_element = gst_element_factory_make ("goom", "vis_element"); + data_src = gst_element_factory_make ("gnomevfssrc", "source"); + + audio_sink = gst_gconf_get_default_audio_sink (); + if (!GST_IS_ELEMENT (audio_sink)) + g_error ("Could not get default audio sink from GConf"); + video_sink = gst_gconf_get_default_video_sink (); + if (!GST_IS_ELEMENT (video_sink)) + g_error ("Could not get default video sink from GConf"); + + + /* Let's send them to GstPlay object */ + if (!gst_play_set_audio_sink (play, audio_sink)) + g_warning ("Could not set audio sink"); + if (!gst_play_set_video_sink (play, video_sink)) + g_warning ("Could not set video sink"); + if (!gst_play_set_data_src (play, data_src)) + g_warning ("Could not set data src"); + if (!gst_play_set_visualization (play, vis_element)) + g_warning ("Could not set visualisation"); + + /* Setting location we want to play */ + if (!gst_play_set_location (play, argv[1])) + g_warning ("Could not set location"); + + /* Uncomment that line to get an XML dump of the pipeline */ + /* gst_xml_write_file (GST_ELEMENT (play), stdout); */ + + g_signal_connect (G_OBJECT (play), "time_tick", + G_CALLBACK (got_time_tick), NULL); + g_signal_connect (G_OBJECT (play), "stream_length", + G_CALLBACK (got_stream_length), NULL); + g_signal_connect (G_OBJECT (play), "have_video_size", + G_CALLBACK (got_video_size), NULL); + g_signal_connect (G_OBJECT (play), "found_tag", + G_CALLBACK (got_found_tag), NULL); + g_signal_connect (G_OBJECT (play), "error", + G_CALLBACK (gst_element_default_error), NULL); + g_signal_connect (G_OBJECT (play), "eos", G_CALLBACK (got_eos), NULL); + + /* Change state to PLAYING */ + if (gst_element_set_state (GST_ELEMENT (play), + GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) + g_error ("Could not set state to PLAYING"); + + g_timeout_add (20000, (GSourceFunc) seek_timer, play); + + g_main_loop_run (loop); + + g_print ("setting pipeline to ready\n"); + + gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); + + /* unref + gst_object_unref (GST_OBJECT (play)); */ + + exit (0); +} diff --git a/tests/examples/indexing/.gitignore b/tests/examples/indexing/.gitignore new file mode 100644 index 00000000..5ce09473 --- /dev/null +++ b/tests/examples/indexing/.gitignore @@ -0,0 +1 @@ +indexmpeg diff --git a/tests/examples/indexing/Makefile.am b/tests/examples/indexing/Makefile.am new file mode 100644 index 00000000..022bfc85 --- /dev/null +++ b/tests/examples/indexing/Makefile.am @@ -0,0 +1,7 @@ +examples = indexmpeg + +noinst_PROGRAMS = $(examples) + +# we have nothing but apps here, we can do this safely +LIBS = $(GST_LIBS) $(GTK_LIBS) +AM_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS) diff --git a/tests/examples/indexing/indexmpeg.c b/tests/examples/indexing/indexmpeg.c new file mode 100644 index 00000000..a670ad8a --- /dev/null +++ b/tests/examples/indexing/indexmpeg.c @@ -0,0 +1,321 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <string.h> +#include <gst/gst.h> + +static gboolean verbose = FALSE; +static gboolean quiet = FALSE; + +static void +entry_added (GstIndex * index, GstIndexEntry * entry) +{ + switch (entry->type) { + case GST_INDEX_ENTRY_ID: + g_print ("id %d describes writer %s\n", entry->id, + GST_INDEX_ID_DESCRIPTION (entry)); + break; + case GST_INDEX_ENTRY_FORMAT: + g_print ("%d: registered format %d for %s\n", entry->id, + GST_INDEX_FORMAT_FORMAT (entry), GST_INDEX_FORMAT_KEY (entry)); + break; + case GST_INDEX_ENTRY_ASSOCIATION: + { + gint i; + + g_print ("%p, %d: %08x ", entry, entry->id, + GST_INDEX_ASSOC_FLAGS (entry)); + for (i = 0; i < GST_INDEX_NASSOCS (entry); i++) { + g_print ("%d %" G_GINT64_FORMAT " ", GST_INDEX_ASSOC_FORMAT (entry, i), + GST_INDEX_ASSOC_VALUE (entry, i)); + } + g_print ("\n"); + break; + } + default: + break; + } +} + +typedef struct +{ + const gchar *padname; + GstPad *target; + GstElement *bin; + GstElement *pipeline; + GstIndex *index; +} +dyn_link; + +static void +dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data) +{ + dyn_link *link = (dyn_link *) data; + + if (!strcmp (gst_pad_get_name (newpad), link->padname)) { + gst_element_set_state (link->pipeline, GST_STATE_PAUSED); + gst_bin_add (GST_BIN (link->pipeline), link->bin); + gst_pad_link (newpad, link->target); + gst_element_set_index (link->bin, link->index); + gst_element_set_state (link->pipeline, GST_STATE_PLAYING); + } +} + +static void +setup_dynamic_linking (GstElement * pipeline, + GstElement * element, + const gchar * padname, GstPad * target, GstElement * bin, GstIndex * index) +{ + dyn_link *link; + + link = g_new0 (dyn_link, 1); + link->padname = g_strdup (padname); + link->target = target; + link->bin = bin; + link->pipeline = pipeline; + link->index = index; + + g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_link), + link); +} + +static GstElement * +make_mpeg_systems_pipeline (const gchar * path, GstIndex * index) +{ + GstElement *pipeline; + GstElement *src, *demux; + + pipeline = gst_pipeline_new ("pipeline"); + + src = gst_element_factory_make ("filesrc", "src"); + g_object_set (G_OBJECT (src), "location", path, NULL); + + demux = gst_element_factory_make ("mpegdemux", "demux"); + + gst_bin_add (GST_BIN (pipeline), src); + gst_bin_add (GST_BIN (pipeline), demux); + + if (index) { + gst_element_set_index (pipeline, index); + } + + gst_element_link_pads (src, "src", demux, "sink"); + + return pipeline; +} + +static GstElement * +make_mpeg_decoder_pipeline (const gchar * path, GstIndex * index) +{ + GstElement *pipeline; + GstElement *src, *demux; + GstElement *video_bin, *audio_bin; + GstElement *video_decoder, *audio_decoder; + + pipeline = gst_pipeline_new ("pipeline"); + + src = gst_element_factory_make ("filesrc", "src"); + g_object_set (G_OBJECT (src), "location", path, NULL); + + demux = gst_element_factory_make ("mpegdemux", "demux"); + + gst_bin_add (GST_BIN (pipeline), src); + gst_bin_add (GST_BIN (pipeline), demux); + + gst_element_link_pads (src, "src", demux, "sink"); + + video_bin = gst_bin_new ("video_bin"); + video_decoder = gst_element_factory_make ("mpeg2dec", "video_decoder"); + + gst_bin_add (GST_BIN (video_bin), video_decoder); + + setup_dynamic_linking (pipeline, demux, "video_00", + gst_element_get_pad (video_decoder, "sink"), video_bin, index); + + audio_bin = gst_bin_new ("audio_bin"); + audio_decoder = gst_element_factory_make ("mad", "audio_decoder"); + + setup_dynamic_linking (pipeline, demux, "audio_00", + gst_element_get_pad (audio_decoder, "sink"), audio_bin, index); + + gst_bin_add (GST_BIN (audio_bin), audio_decoder); + + if (index) { + gst_element_set_index (pipeline, index); + } + + return pipeline; +} + +static void +print_progress (GstPad * pad) +{ + gint i = 0; + gchar status[53]; + GstFormat format; + gboolean res; + gint64 value; + gint percent = 0; + + status[0] = '|'; + + format = GST_FORMAT_PERCENT; + res = gst_pad_query (pad, GST_QUERY_POSITION, &format, &value); + if (res) { + percent = value / (2 * GST_FORMAT_PERCENT_SCALE); + } + + for (i = 0; i < percent; i++) { + status[i + 1] = '='; + } + for (i = percent; i < 50; i++) { + status[i + 1] = ' '; + } + status[51] = '|'; + status[52] = 0; + + g_print ("%s\r", status); +} + +gint +main (gint argc, gchar * argv[]) +{ + GstElement *pipeline; + GstElement *src; + GstPad *pad; + GstIndex *index; + gint count = 0; + GstEvent *event; + gboolean res; + GstElement *sink; + struct poptOption options[] = { + {"verbose", 'v', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &verbose, 0, + "Print index entries", NULL}, + {"quiet", 'q', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &quiet, 0, + "don't print progress bar", NULL}, + POPT_TABLEEND + }; + + if (!gst_init_check_with_popt_table (&argc, &argv, options) || argc < 3) { + g_print ("usage: %s [-v] <type> <filename> \n" + " type can be: 0 mpeg_systems\n" + " 1 mpeg_decoder\n" + " -v : report added index entries\n" + " -q : don't print progress\n", argv[0]); + return -1; + } + + /* create index that elements can fill */ + index = gst_index_factory_make ("memindex"); + if (index) { + if (verbose) + g_signal_connect (G_OBJECT (index), "entry_added", + G_CALLBACK (entry_added), NULL); + + g_object_set (G_OBJECT (index), "resolver", 1, NULL); + } + + /* construct pipeline */ + switch (atoi (argv[1])) { + case 0: + pipeline = make_mpeg_systems_pipeline (argv[2], index); + break; + case 1: + pipeline = make_mpeg_decoder_pipeline (argv[2], index); + break; + default: + g_print ("unknown type %d\n", atoi (argv[1])); + return -1; + } + + /* setup some default info/error handlers */ + g_signal_connect (G_OBJECT (pipeline), "deep_notify", + G_CALLBACK (gst_element_default_deep_notify), NULL); + g_signal_connect (G_OBJECT (pipeline), "error", + G_CALLBACK (gst_element_default_error), NULL); + + /* get a pad to perform progress reporting on */ + src = gst_bin_get_by_name (GST_BIN (pipeline), "src"); + pad = gst_element_get_pad (src, "src"); + + /* prepare for iteration */ + gst_element_set_state (pipeline, GST_STATE_PLAYING); + + g_print ("indexing %s...\n", argv[2]); + /* run through the complete stream to let it generate an index */ + while (gst_bin_iterate (GST_BIN (pipeline))) { + if (!quiet && (count % 1000 == 0)) { + print_progress (pad); + } + count++; + } + g_print ("\n"); + + /* bring to ready to restart the pipeline */ + gst_element_set_state (pipeline, GST_STATE_READY); + gst_element_set_state (pipeline, GST_STATE_PAUSED); + + if (index) + GST_OBJECT_FLAG_UNSET (index, GST_INDEX_WRITABLE); + + src = gst_bin_get_by_name (GST_BIN (pipeline), "video_decoder"); + + { + gint id; + GstIndexEntry *entry; + gint64 result; + gint total_tm; + + gst_index_get_writer_id (index, GST_OBJECT (src), &id); + + entry = gst_index_get_assoc_entry (index, id, GST_INDEX_LOOKUP_BEFORE, 0, + GST_FORMAT_TIME, G_MAXINT64); + g_assert (entry); + gst_index_entry_assoc_map (entry, GST_FORMAT_TIME, &result); + total_tm = result * 60 / GST_SECOND; + g_print ("total time = %.2fs\n", total_tm / 60.0); + } + + pad = gst_element_get_pad (src, "src"); + sink = gst_element_factory_make ("fakesink", "sink"); + gst_element_link_pads (src, "src", sink, "sink"); + gst_bin_add (GST_BIN (pipeline), sink); + + g_print ("seeking %s...\n", argv[2]); + event = gst_event_new_seek (GST_FORMAT_TIME | + GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, 5 * GST_SECOND); + + res = gst_pad_send_event (pad, event); + if (!res) { + g_warning ("seek failed"); + } + + gst_element_set_state (pipeline, GST_STATE_PLAYING); + count = 0; + while (gst_bin_iterate (GST_BIN (pipeline))) { + if (!quiet && (count % 1000 == 0)) { + print_progress (pad); + } + count++; + } + + gst_element_set_state (pipeline, GST_STATE_NULL); + + return 1; +} diff --git a/tests/examples/level/Makefile.am b/tests/examples/level/Makefile.am new file mode 100644 index 00000000..bf76136f --- /dev/null +++ b/tests/examples/level/Makefile.am @@ -0,0 +1,11 @@ +noinst_PROGRAMS = demo plot + +demo_SOURCES = demo.c +demo_CFLAGS = $(GTK_CFLAGS) $(GST_CFLAGS) +demo_LDFLAGS = $(GTK_LIBS) $(GST_LIBS) + +plot_SOURCES = plot.c +plot_CFLAGS = $(GTK_CFLAGS) $(GST_CFLAGS) +plot_LDFLAGS = $(GTK_LIBS) $(GST_LIBS) + +EXTRA_DIST = README diff --git a/tests/examples/level/README b/tests/examples/level/README new file mode 100644 index 00000000..0ae84188 --- /dev/null +++ b/tests/examples/level/README @@ -0,0 +1,39 @@ +level plugin by thomas <thomas@apestaart.org> + +this plugin signals: + - running time since last EOS/start + - channel + - RMS level + - peak level + - decaying peak level +over the given interval. + +This is useful for a VU meter display and for plotting out the signal graph. +The VU meter can either display RMS, or display immediate peak level and +have the falloff decaying peak level displayed as a line. + +The interval for signal emission, ttl of decay peak, and falloff of decay peak +can all be set. + +The element only takes unsigned data in; it could be extended to signed as +well, if separate fast chain functions are made that displaces the incoming +data to its midpoint (ie, 0,65535 should be mapped to -32768, 32767) + +There are two demo apps, apps and plot. apps will create some GTK sliders +to display the volume. plot will output data readable by gnuplot. + +Here is a sample plot script to plot output of the plot command that was +stored to plot.dat + +set xlabel "Seconds" +set ylabel "dB" +set yrange [-60:0] +plot 'plot.dat' using 1:2 title 'L RMS' with lines, \ + 'plot.dat' using 1:3 title 'L peak' with lines, \ + 'plot.dat' using 1:4 title 'L decay' with lines + +plot 'plot.dat' using 1:5 title 'R RMS' with lines, \ + 'plot.dat' using 1:6 title 'R peak' with lines, \ + 'plot.dat' using 1:7 title 'R decay' with lines + + diff --git a/tests/examples/level/demo.c b/tests/examples/level/demo.c new file mode 100644 index 00000000..502f50f7 --- /dev/null +++ b/tests/examples/level/demo.c @@ -0,0 +1,155 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * demo.c: sample application to display VU meter-like output of level + * Copyright (C) 2003 + * Thomas Vander Stichele <thomas at apestaart dot org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gtk/gtk.h> + +/* global array for the scale widgets, we'll assume stereo */ +GtkWidget *elapsed; +GtkWidget *scale[2][3]; + +static void +level_callback (GstElement * element, gdouble time, gint channel, + gdouble rms, gdouble peak, gdouble decay) +{ + gchar *label; + + label = g_strdup_printf ("%.3f", time); + gtk_label_set (GTK_LABEL (elapsed), label); + g_free (label); + gtk_range_set_value (GTK_RANGE (scale[channel][0]), rms); + gtk_range_set_value (GTK_RANGE (scale[channel][1]), peak); + gtk_range_set_value (GTK_RANGE (scale[channel][2]), decay); +} + +static gboolean +idler (gpointer data) +{ + GstElement *pipeline = GST_ELEMENT (data); + + g_print ("+"); + if (gst_bin_iterate (GST_BIN (pipeline))) + return TRUE; + gtk_main_quit (); + return FALSE; +} + +static void +setup_gui () +{ + GtkWidget *window; + GtkWidget *vbox; + GtkWidget *label, *hbox; + int c; + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + g_signal_connect (window, "destroy", gtk_main_quit, NULL); + + vbox = gtk_vbox_new (TRUE, 0); + gtk_container_add (GTK_CONTAINER (window), vbox); + + /* elapsed widget */ + hbox = gtk_hbox_new (TRUE, 0); + label = gtk_label_new ("Elapsed"); + elapsed = gtk_label_new ("0.000"); + gtk_container_add (GTK_CONTAINER (hbox), label); + gtk_container_add (GTK_CONTAINER (hbox), elapsed); + gtk_container_add (GTK_CONTAINER (vbox), hbox); + + for (c = 0; c < 2; ++c) { + /* RMS */ + hbox = gtk_hbox_new (TRUE, 0); + label = gtk_label_new ("RMS"); + gtk_container_add (GTK_CONTAINER (hbox), label); + scale[c][0] = gtk_hscale_new_with_range (-90.0, 0.0, 0.2); + gtk_widget_set_size_request (scale[c][0], 100, -1); + gtk_container_add (GTK_CONTAINER (hbox), scale[c][0]); + gtk_container_add (GTK_CONTAINER (vbox), hbox); + /* peak */ + hbox = gtk_hbox_new (TRUE, 0); + label = gtk_label_new ("peak"); + gtk_container_add (GTK_CONTAINER (hbox), label); + scale[c][1] = gtk_hscale_new_with_range (-90.0, 0.0, 0.2); + gtk_widget_set_size_request (scale[c][1], 100, -1); + gtk_container_add (GTK_CONTAINER (hbox), scale[c][1]); + gtk_container_add (GTK_CONTAINER (vbox), hbox); + /* decay */ + hbox = gtk_hbox_new (TRUE, 0); + label = gtk_label_new ("decaying peek"); + gtk_container_add (GTK_CONTAINER (hbox), label); + scale[c][2] = gtk_hscale_new_with_range (-90.0, 0.0, 0.2); + gtk_widget_set_size_request (scale[c][2], 100, -1); + gtk_container_add (GTK_CONTAINER (hbox), scale[c][2]); + gtk_container_add (GTK_CONTAINER (vbox), hbox); + } + + gtk_widget_show_all (GTK_WIDGET (window)); +} + +int +main (int argc, char *argv[]) +{ + + GstElement *pipeline = NULL; + GError *error = NULL; + GstElement *level; + + gst_init (&argc, &argv); + gtk_init (&argc, &argv); + + pipeline = gst_parse_launchv ((const gchar **) &argv[1], &error); + if (error) { + g_print ("pipeline could not be constructed: %s\n", error->message); + g_print ("Please give a complete pipeline with a 'level' element.\n"); + g_print ("Example: sinesrc ! level ! %s\n", DEFAULT_AUDIOSINK); + g_error_free (error); + return 1; + } + + level = gst_bin_get_by_name (GST_BIN (pipeline), "level0"); + if (level == NULL) { + g_print ("Please give a pipeline with a 'level' element in it\n"); + return 1; + } + + g_object_set (level, "signal", TRUE, NULL); + g_signal_connect (level, "level", G_CALLBACK (level_callback), NULL); + + + /* setup GUI */ + setup_gui (); + + /* connect level signal */ + + /* go to main loop */ + gst_element_set_state (pipeline, GST_STATE_PLAYING); + g_idle_add (idler, pipeline); + + gtk_main (); + + return 0; +} diff --git a/tests/examples/level/plot.c b/tests/examples/level/plot.c new file mode 100644 index 00000000..44591584 --- /dev/null +++ b/tests/examples/level/plot.c @@ -0,0 +1,124 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * plot.c: output data points to be graphed with gnuplot + * Copyright (C) 2003 + * Thomas Vander Stichele <thomas at apestaart dot org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gst/gst.h> +#include <gtk/gtk.h> + +gboolean got_channel[2] = { FALSE, FALSE }; /* to see if we got the signal for this one yet */ + +gint channels = 0; /* guess at how many channels there are */ +gdouble last_time = 0.0; /* time of last signal */ +gdouble values[2][3]; /* array of levels from which to print */ + +static void +level_callback (GstElement * element, gdouble time, gint channel, + gdouble rms, gdouble peak, gdouble decay) +{ + int i = 0, j = 0; + gboolean got_all = FALSE; + + if (channel + 1 > channels) + channels = channel + 1; + + /* reset got_channel if this is a new time point */ + if (time > last_time) { + for (i = 0; i < channels; ++i) + got_channel[i] = FALSE; + last_time = time; + } + + /* store values */ + got_channel[channel] = TRUE; + values[channel][0] = rms; + values[channel][1] = peak; + values[channel][2] = decay; + + /* check if we have all channels, and output if we do */ + /* FIXME: this fails on the first, no ? */ + got_all = TRUE; + for (i = 0; i < channels; ++i) + if (!got_channel[i]) + got_all = FALSE; + if (got_all) { + g_print ("%f ", time); + for (i = 0; i < channels; ++i) + for (j = 0; j < 3; ++j) + g_print ("%f ", values[i][j]); + g_print ("\n"); + } +} + +static gboolean +idler (gpointer data) +{ + GstElement *pipeline = GST_ELEMENT (data); + + if (gst_bin_iterate (GST_BIN (pipeline))) + return TRUE; + + gtk_main_quit (); + return FALSE; +} + +int +main (int argc, char *argv[]) +{ + + GstElement *pipeline = NULL; + GError *error = NULL; + GstElement *level; + + gst_init (&argc, &argv); + gtk_init (&argc, &argv); + + pipeline = gst_parse_launchv ((const gchar **) &argv[1], &error); + if (error) { + g_print ("pipeline could not be constructed: %s\n", error->message); + g_print ("Please give a complete pipeline with a 'level' element.\n"); + g_print ("Example: sinesrc ! level ! %s\n", DEFAULT_AUDIOSINK); + g_error_free (error); + return 1; + } + + level = gst_bin_get_by_name (GST_BIN (pipeline), "level0"); + if (level == NULL) { + g_print ("Please give a pipeline with a 'level' element in it\n"); + return 1; + } + + g_object_set (level, "signal", TRUE, NULL); + g_signal_connect (level, "level", G_CALLBACK (level_callback), NULL); + + + /* go to main loop */ + gst_element_set_state (pipeline, GST_STATE_PLAYING); + g_idle_add (idler, pipeline); + + gtk_main (); + + return 0; +} diff --git a/tests/examples/scaletempo/.gitignore b/tests/examples/scaletempo/.gitignore new file mode 100644 index 00000000..1c56e144 --- /dev/null +++ b/tests/examples/scaletempo/.gitignore @@ -0,0 +1 @@ +scaletempo-demo diff --git a/tests/examples/scaletempo/Makefile.am b/tests/examples/scaletempo/Makefile.am new file mode 100644 index 00000000..5cdf3c7f --- /dev/null +++ b/tests/examples/scaletempo/Makefile.am @@ -0,0 +1,8 @@ +noinst_PROGRAMS = scaletempo-demo + +scaletempo_demo_SOURCES = demo-main.c demo-player.c demo-gui.c +scaletempo_demo_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GTK_CFLAGS) +scaletempo_demo_LDFLAGS = $(GST_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GTK_LIBS) -lgstinterfaces-@GST_MAJORMINOR@ + +noinst_HEADERS = demo-player.h demo-gui.h + diff --git a/tests/examples/scaletempo/demo-gui.c b/tests/examples/scaletempo/demo-gui.c new file mode 100644 index 00000000..01df9991 --- /dev/null +++ b/tests/examples/scaletempo/demo-gui.c @@ -0,0 +1,1262 @@ +/* demo-gui.c + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gtk/gtk.h> +#include <glib/gprintf.h> +#include <math.h> +#include "demo-gui.h" + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "demo-gui" + +#if !GTK_CHECK_VERSION(2,12,0) +#define gtk_widget_error_bell(w) /* nop */ +#endif + +enum +{ + SIGNAL_ERROR, + SIGNAL_QUITING, + LAST_SIGNAL +}; +static guint demo_gui_signals[LAST_SIGNAL] = { 0 }; + +enum +{ + PROP_0, +}; + +typedef struct _DemoGuiPrivate +{ + DemoPlayer *player; + GList *uris; + GList *now_playing; + gboolean is_playing; + GtkWidget *window; + GtkEntry *rate_entry; + GtkStatusbar *status_bar; + gint position_updater_id; + GtkRange *seek_range; + GtkLabel *amount_played; + GtkLabel *amount_to_play; + GtkAction *play_action; + GtkAction *pause_action; + GtkAction *open_file; + GtkAction *playlist_next; +} DemoGuiPrivate; + +#define DEMO_GUI_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEMO_TYPE_GUI, DemoGuiPrivate)) + +/* forward declarations */ +static GValueArray *build_gvalue_array (guint n_values, ...); + +/* Handlers for status bar and seek bar */ +static int +pop_status_bar (gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + GtkStatusbar *sb = + GTK_STATUSBAR (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + guint msg_id = g_value_get_uint (g_value_array_get_nth (gvalues, 1)); + + gtk_statusbar_remove (sb, 0, msg_id); + return FALSE; +} + +#define DEFAULT_STATUS_BAR_TIMEOUT 2 +static void +status_bar_printf (GtkStatusbar * sb, guint seconds, gchar const *format, ...) +{ + va_list args; + gchar msg[80]; + guint msg_id; + + va_start (args, format); + g_vsnprintf (msg, 80, format, args); + va_end (args); + + msg_id = gtk_statusbar_push (sb, 0, msg); + g_timeout_add (2000, pop_status_bar, + build_gvalue_array (2, G_TYPE_OBJECT, sb, G_TYPE_UINT, msg_id)); +} + +#define PRINTF_TIME_FORMAT "u:%02u:%02u" +#define PRINTF_TIME_ARGS(t) \ + (t >= 0) ? (guint) ((t) / (60 * 60)) : 99, \ + (t >= 0) ? (guint) (((t) / (60)) % 60) : 99, \ + (t >= 0) ? (guint) ((t) % 60) : 99 + +static gchar * +demo_gui_seek_bar_format (GtkScale * scale, gdouble value, gpointer data) +{ + return g_strdup_printf ("%" PRINTF_TIME_FORMAT, + PRINTF_TIME_ARGS ((gint64) value)); +} + +gboolean +update_position (gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar pos_str[16], dur_str[16]; + gint pos = demo_player_get_position (priv->player); + + if (pos > 0) { + gint dur = demo_player_get_duration (priv->player); + + g_snprintf (pos_str, 16, "%" PRINTF_TIME_FORMAT, PRINTF_TIME_ARGS (pos)); + if (dur > 0) { + g_snprintf (dur_str, 16, "-%" PRINTF_TIME_FORMAT, + PRINTF_TIME_ARGS (dur - pos)); + } else { + dur = pos; + g_sprintf (dur_str, "-??:??:??"); + } + if (dur > 0) + gtk_range_set_range (GTK_RANGE (priv->seek_range), 0, (gdouble) dur); + gtk_range_set_value (GTK_RANGE (priv->seek_range), (gdouble) pos); + } else { + g_sprintf (pos_str, "??:??:??"); + g_sprintf (dur_str, "-??:??:??"); + } + gtk_label_set_text (GTK_LABEL (priv->amount_played), pos_str); + gtk_label_set_text (GTK_LABEL (priv->amount_to_play), dur_str); + + return priv->is_playing; +} + + +gboolean +demo_gui_seek_bar_change (GtkRange * range, + GtkScrollType scroll, gdouble value, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gint new_second = (gint) value; + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Seeking to %i second", new_second); + demo_player_seek_to (priv->player, new_second); + + return FALSE; +} + + +/* Callbacks for actions */ +static void +demo_gui_do_change_rate (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); + gdouble scale_amount = + g_value_get_double (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Changing rate by %3.2lf", scale_amount); + + demo_player_scale_rate (priv->player, scale_amount); +} + +static void +demo_gui_do_set_rate (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = g_value_get_object (g_value_array_get_nth (gvalues, 0)); + gdouble new_rate = g_value_get_double (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Setting rate to %3.2lf", new_rate); + + demo_player_set_rate (priv->player, new_rate); +} + +static gboolean +demo_gui_do_rate_entered (GtkWidget * widget, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar *err = NULL; + const gchar *text = gtk_entry_get_text (GTK_ENTRY (widget)); + double new_rate = g_strtod (text, &err); + + if (*err) { + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Invalid rate: %s", text); + return TRUE; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Setting rate to %3.2lf", new_rate); + + demo_player_set_rate (priv->player, new_rate); + return FALSE; +} + +static void +demo_gui_do_toggle_advanced (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkWidget *stride_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + GtkWidget *overlap_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); + GtkWidget *search_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 3))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gboolean active; + + status_bar_printf (priv->status_bar, 1, "Toggling advanced mode"); + + active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); + gtk_widget_set_sensitive (stride_ui, active); + gtk_widget_set_sensitive (overlap_ui, active); + gtk_widget_set_sensitive (search_ui, active); +} + +static void +demo_gui_do_toggle_disabled (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkAction *advanced_action = + GTK_ACTION (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + GtkWidget *advanced_ui = + GTK_WIDGET (g_value_get_object (g_value_array_get_nth (gvalues, 2))); + + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gboolean active; + + status_bar_printf (priv->status_bar, 1, "Toggling disabled"); + + active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)); + gtk_action_set_sensitive (GTK_ACTION (advanced_action), !active); + gtk_widget_set_sensitive (GTK_WIDGET (advanced_ui), !active); + g_object_set (G_OBJECT (priv->player), "disabled", active, NULL); +} + +static void +demo_gui_do_seek (GtkAction * action, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + gint seconds = g_value_get_int (g_value_array_get_nth (gvalues, 1)); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting seek by %i seconds", seconds); + + demo_player_seek_by (priv->player, seconds); +} + +static void +demo_gui_do_play (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->is_playing) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already playing"); + return; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting playback start"); + + demo_player_play (priv->player); +} + +static void +demo_gui_do_pause (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (!priv->is_playing) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, "Already paused"); + return; + } + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting playback pause"); + + demo_player_pause (priv->player); +} + +static void +demo_gui_do_play_pause (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Reqesting playback toggle"); + + if (priv->is_playing) + gtk_action_activate (priv->pause_action); + else + gtk_action_activate (priv->play_action); +} + +static void +demo_gui_do_open_file (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + GtkWidget *dialog = gtk_file_chooser_dialog_new ("Open File", + GTK_WINDOW (priv->window), + GTK_FILE_CHOOSER_ACTION_OPEN, + GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, + GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, + NULL); + + if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) { + char *filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog)); + GError *err = NULL; + + g_list_free (priv->uris); + priv->uris = NULL; + priv->now_playing = NULL; + demo_player_load_uri (priv->player, g_filename_to_uri (filename, NULL, + &err)); + g_free (filename); + } + gtk_widget_destroy (dialog); +} + +static void +demo_gui_do_playlist_prev (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->now_playing) { + if (priv->now_playing->prev) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist previous"); + priv->now_playing = priv->now_playing->prev; + } else { + priv->now_playing = NULL; + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Beginning of playlist"); + return; + } + } else if (priv->uris) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist previous: wrap"); + priv->now_playing = g_list_last (priv->uris); + } else { + gtk_action_activate (priv->open_file); + return; + } + + demo_player_load_uri (priv->player, priv->now_playing->data); +} + +static void +demo_gui_do_playlist_next (GtkAction * action, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->now_playing) { + if (priv->now_playing->next) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist next"); + priv->now_playing = priv->now_playing->next; + } else { + priv->now_playing = NULL; + gtk_widget_error_bell (priv->window); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "End of playlist"); + return; + } + } else if (priv->uris) { + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playlist next: wrap"); + priv->now_playing = priv->uris; + } else { + gtk_action_activate (priv->open_file); + return; + } + + demo_player_load_uri (priv->player, priv->now_playing->data); +} + +static void +demo_gui_do_about_dialog (GtkAction * action, gpointer data) +{ + static gchar *authors[] = + { "Rov Juvano <rovjuvano@users.sourceforge.net>", NULL }; + + gtk_show_about_dialog (NULL, + "program-name", "gst-scaletempo-demo", + "version", VERSION, + "authors", authors, + "license", "This program is free software: you can redistribute it and/or modify\n\ +it under the terms of the GNU General Public License as published by\n\ +the Free Software Foundation, either version 3 of the License, or\n\ +(at your option) any later version.\n\ +\n\ +This program is distributed in the hope that it will be useful,\n\ +but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ +GNU General Public License for more details.\n\ +\n\ +You should have received a copy of the GNU General Public License\n\ +along with this program. If not, see <http://www.gnu.org/licenses/>.", "title", "About gst-scaletempo-demo", NULL); +} + +static void +demo_gui_do_quit (gpointer source, gpointer data) +{ + gtk_main_quit (); + g_signal_emit (DEMO_GUI (data), demo_gui_signals[SIGNAL_QUITING], 0, NULL); +} + +static gboolean +demo_gui_request_set_stride (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_stride = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Reqesting setting stride to %u ms", new_stride); + g_object_set (G_OBJECT (priv->player), "stride", new_stride, NULL); + return TRUE; +} + +static gboolean +demo_gui_request_set_overlap (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gdouble new_overlap = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting setting overlap to %2.0lf%%", new_overlap); + g_object_set (G_OBJECT (priv->player), "overlap", new_overlap / 100.0, NULL); + return TRUE; +} + +static gboolean +demo_gui_request_set_search (GtkSpinButton * spinbutton, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_search = gtk_spin_button_get_value_as_int (spinbutton); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Requesting setting search to %u ms", new_search); + g_object_set (G_OBJECT (priv->player), "search", new_search, NULL); + return TRUE; +} + + +/* Callbacks from signals */ +static void +demo_gui_rate_changed (DemoPlayer * player, gdouble new_rate, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gchar e[6]; + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Rate changed to %3.2lf", new_rate); + + g_snprintf (e, 6, "%3.2f", new_rate); + gtk_entry_set_text (GTK_ENTRY (priv->rate_entry), e); +} + +static void +demo_gui_playing_started (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + priv->is_playing = TRUE; + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing started"); + + gtk_action_set_sensitive (priv->play_action, FALSE); + gtk_action_set_sensitive (priv->pause_action, TRUE); + gtk_action_set_visible (priv->play_action, FALSE); + gtk_action_set_visible (priv->pause_action, TRUE); + + if (priv->position_updater_id) { + g_source_remove (priv->position_updater_id); + priv->position_updater_id = 0; + } + update_position (gui); + priv->position_updater_id = g_timeout_add (1000, update_position, gui); +} + +static void +demo_gui_playing_paused (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + gtk_action_set_sensitive (priv->play_action, TRUE); + gtk_action_set_sensitive (priv->pause_action, FALSE); + gtk_action_set_visible (priv->play_action, TRUE); + gtk_action_set_visible (priv->pause_action, FALSE); + + priv->is_playing = FALSE; + + if (priv->position_updater_id) + g_source_remove (priv->position_updater_id); + priv->position_updater_id = 0; + update_position (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing paused"); +} + +static void +demo_gui_playing_ended (DemoPlayer * player, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Playing ended"); + gtk_action_activate (priv->playlist_next); +} + +static void +demo_gui_player_errored (DemoPlayer * player, const gchar * msg, gpointer data) +{ + DemoGui *gui = DEMO_GUI (data); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + status_bar_printf (priv->status_bar, 5, msg); +} + +static void +demo_gui_stride_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_stride; + gchar e[6]; + + g_object_get (G_OBJECT (player), "stride", &new_stride, NULL); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Stride changed to %u", new_stride); + + snprintf (e, 6, "%u", new_stride); + gtk_entry_set_text (entry, e); +} + +static void +demo_gui_overlap_changed (DemoPlayer * player, + GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + gdouble new_overlap; + gchar e[6]; + + g_object_get (G_OBJECT (player), "overlap", &new_overlap, NULL); + new_overlap *= 100; + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Overlap changed to %2.0lf%%", new_overlap); + + snprintf (e, 6, "%2.0f", new_overlap); + gtk_entry_set_text (entry, e); +} + +static void +demo_gui_search_changed (DemoPlayer * player, GParamSpec * pspec, gpointer data) +{ + GValueArray *gvalues = (GValueArray *) data; + DemoGui *gui = + DEMO_GUI (g_value_get_object (g_value_array_get_nth (gvalues, 0))); + GtkEntry *entry = + GTK_ENTRY (g_value_get_object (g_value_array_get_nth (gvalues, 1))); + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + guint new_search; + gchar e[6]; + + g_object_get (G_OBJECT (player), "search", &new_search, NULL); + status_bar_printf (priv->status_bar, DEFAULT_STATUS_BAR_TIMEOUT, + "Search changed to %u", new_search); + + snprintf (e, 6, "%u", new_search); + gtk_entry_set_text (entry, e); +} + + +/* method implementations */ +static void +demo_gui_set_player_func (DemoGui * gui, DemoPlayer * player) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + + if (priv->player) { + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_rate_changed), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_started), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_paused), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_playing_ended), gui); + g_signal_handlers_disconnect_by_func (G_OBJECT (priv->player), + G_CALLBACK (demo_gui_player_errored), gui); + g_object_unref (priv->player); + } + g_object_ref (player); + priv->player = player; + g_signal_connect (G_OBJECT (priv->player), "error", + G_CALLBACK (demo_gui_player_errored), gui); + g_signal_connect (G_OBJECT (priv->player), "rate-changed", + G_CALLBACK (demo_gui_rate_changed), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-started", + G_CALLBACK (demo_gui_playing_started), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-paused", + G_CALLBACK (demo_gui_playing_paused), gui); + g_signal_connect (G_OBJECT (priv->player), "playing-ended", + G_CALLBACK (demo_gui_playing_ended), gui); + priv->is_playing = FALSE; +} + +static void +demo_gui_set_playlist_func (DemoGui * gui, GList * uris) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + priv->uris = uris; +} + +typedef struct _ActionEntry +{ + GtkAction *action; + GtkWidget *button; + const gchar *accel; + const gchar *name; + const gchar *label; + const gchar *tooltip; + const gchar *stock_id; + GtkAccelGroup *accel_group; + GtkActionGroup *action_group; + GCallback callback; + gpointer data; +} ActionEntry; + +static GValueArray * +build_gvalue_array (guint n_values, ...) +{ + va_list args; + GValueArray *gva; + int i; + + va_start (args, n_values); + gva = g_value_array_new (n_values); + + for (i = 0; i < n_values; i++) { + GType type = va_arg (args, GType); + GValue *gval = g_new0 (GValue, 1); + if (type == G_TYPE_INT) { + gint value = va_arg (args, gint); + g_value_set_int (g_value_init (gval, G_TYPE_INT), value); + } else if (type == G_TYPE_UINT) { + guint value = va_arg (args, guint); + g_value_set_uint (g_value_init (gval, G_TYPE_UINT), value); + } else if (type == G_TYPE_DOUBLE) { + double value = va_arg (args, double); + g_value_set_double (g_value_init (gval, G_TYPE_DOUBLE), value); + } else if (type == G_TYPE_OBJECT) { + GObject *value = va_arg (args, GObject *); + g_value_set_object (g_value_init (gval, G_TYPE_OBJECT), value); + } else { + g_critical ("build_gvalue_array cannot handle type (%s)", + g_type_name (type)); + va_end (args); + return NULL; + } + g_value_array_append (gva, gval); + } + va_end (args); + return gva; +} + +static void +create_action (ActionEntry * p) +{ + p->action = gtk_action_new (p->name, p->label, p->tooltip, p->stock_id); + + gtk_action_group_add_action_with_accel (p->action_group, p->action, p->accel); + gtk_action_set_accel_group (p->action, p->accel_group); + gtk_action_connect_accelerator (p->action); + + p->button = gtk_button_new (); + gtk_action_connect_proxy (p->action, p->button); + gtk_button_set_image (GTK_BUTTON (p->button), + gtk_action_create_icon (p->action, GTK_ICON_SIZE_BUTTON)); + g_signal_connect (G_OBJECT (p->action), "activate", p->callback, p->data); +} + +static void +demo_gui_show_func (DemoGui * gui) +{ + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + GtkWidget *window; + GtkAccelGroup *accel_group; + GtkActionGroup *action_group; + GtkAction *toggle_advanced, *toggle_disabled; + ActionEntry *slower_lg, *slower_sm, *faster_sm, *faster_lg, *normal, + *rewind_lg, *rewind_sm, *forward_sm, *forward_lg, *pause, *play, + *play_pause, *open_file, *playlist_prev, *playlist_next, *quit, *about; + GtkRequisition pause_size; + GtkWidget *rate_entry, *rate_label, *toolbox, *stride_ui, *overlap_ui, + *search_ui, *propbox, *adv_check, *disabled_check, *media_controls, + *amount_played, *amount_to_play, *seek_range, *seek_bar, *status_bar, + *file_menu, *file_menu_item, *media_menu_item, *demo_menu, + *demo_menu_item, *menu_bar, *toplevel_box, *media_menu; + GError *error = NULL; + + gtk_init (NULL, NULL); + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (demo_gui_do_quit), + gui); + + accel_group = gtk_accel_group_new (); + gtk_window_add_accel_group (GTK_WINDOW (window), accel_group); + action_group = gtk_action_group_new ("toolbar"); + + slower_lg = &(ActionEntry) { + NULL, NULL, + "braceleft", "slower-large", + "2x Slower", "half playback rate", + GTK_STOCK_GO_DOWN, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 0.5) + }; + create_action (slower_lg); + + slower_sm = &(ActionEntry) { + NULL, NULL, + "bracketleft", "slower-small", + "_Slower", "decrease playback rate", + GTK_STOCK_GO_DOWN, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, + -1.0 / 12)) + }; + create_action (slower_sm); + + faster_sm = &(ActionEntry) { + NULL, NULL, + "bracketright", "faster-small", + "_Faster", "increase playback rate", + GTK_STOCK_GO_UP, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, pow (2, + 1.0 / 12)) + }; + create_action (faster_sm); + + faster_lg = &(ActionEntry) { + NULL, NULL, + "braceright", "faster-large", + "2X Faster", "double playback rate", + GTK_STOCK_GO_UP, accel_group, action_group, + G_CALLBACK (demo_gui_do_change_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 2.0) + }; + create_action (faster_lg); + + normal = &(ActionEntry) { + NULL, NULL, + "backslash", "normal", + "_Normal", "playback normal rate", + GTK_STOCK_CLEAR, accel_group, action_group, + G_CALLBACK (demo_gui_do_set_rate), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_DOUBLE, 1.0) + }; + create_action (normal); + + rewind_lg = &(ActionEntry) { + NULL, NULL, + "<ctrl><shift>Left", "seek-rewind-large", + "Rewind (large)", "seek -30 seconds", + GTK_STOCK_MEDIA_REWIND, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -30) + }; + create_action (rewind_lg); + + rewind_sm = &(ActionEntry) { + NULL, NULL, + "<ctrl>Left", "seek-rewind-small", + "Rewind", "seek -15 seconds", + GTK_STOCK_MEDIA_REWIND, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, -5) + }; + create_action (rewind_sm); + + forward_sm = &(ActionEntry) { + NULL, NULL, + "<ctrl>Right", "seek-forward-small", + "Forward", "seek +5 seconds", + GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 5) + }; + create_action (forward_sm); + + forward_lg = &(ActionEntry) { + NULL, NULL, + "<ctrl><shift>Right", "seek-forward-large", + "Forward (large)", "seek +30 seconds", + GTK_STOCK_MEDIA_FORWARD, accel_group, action_group, + G_CALLBACK (demo_gui_do_seek), + build_gvalue_array (2, G_TYPE_OBJECT, gui, G_TYPE_INT, 30) + }; + create_action (forward_lg); + + pause = &(ActionEntry) { + NULL, NULL, + "p", "pause", + "Pause", "Pause playback", + GTK_STOCK_MEDIA_PAUSE, accel_group, action_group, + G_CALLBACK (demo_gui_do_pause), gui}; + create_action (pause); + + play = &(ActionEntry) { + NULL, NULL, + "<ctrl>p", "play", + "Play", "Start Playback", + GTK_STOCK_MEDIA_PLAY, accel_group, action_group, + G_CALLBACK (demo_gui_do_play), gui}; + create_action (play); + gtk_widget_size_request (pause->button, &pause_size); + gtk_widget_set_size_request (play->button, pause_size.width, -1); + + play_pause = &(ActionEntry) { + NULL, NULL, + "space", "play-pause", + "Play/Pause", "Toggle playback", + NULL, accel_group, action_group, + G_CALLBACK (demo_gui_do_play_pause), gui}; + create_action (play_pause); + + open_file = &(ActionEntry) { + NULL, NULL, + "<ctrl>o", "open-file", + "Open File", "Open file for playing", + GTK_STOCK_OPEN, accel_group, action_group, + G_CALLBACK (demo_gui_do_open_file), gui}; + create_action (open_file); + + playlist_prev = &(ActionEntry) { + NULL, NULL, + "less", "playlist-previous", + "Previous", "Previous in playlist", + GTK_STOCK_MEDIA_PREVIOUS, accel_group, action_group, + G_CALLBACK (demo_gui_do_playlist_prev), gui}; + create_action (playlist_prev); + + playlist_next = &(ActionEntry) { + NULL, NULL, + "greater", "playlist-next", + "Next", "Next in playlist", + GTK_STOCK_MEDIA_NEXT, accel_group, action_group, + G_CALLBACK (demo_gui_do_playlist_next), gui}; + create_action (playlist_next); + + quit = &(ActionEntry) { + NULL, NULL, + "q", "quit", + "Quit", "Quit demo", + GTK_STOCK_QUIT, accel_group, action_group, + G_CALLBACK (demo_gui_do_quit), gui}; + create_action (quit); + + about = &(ActionEntry) { + NULL, NULL, + "<ctrl>h", "about", + "About", "About gst-scaletemo-demo", + GTK_STOCK_ABOUT, accel_group, action_group, + G_CALLBACK (demo_gui_do_about_dialog), gui}; + create_action (about); + + rate_entry = gtk_entry_new (); + rate_label = gtk_label_new ("Rate:"); + gtk_entry_set_max_length (GTK_ENTRY (rate_entry), 5); + gtk_entry_set_text (GTK_ENTRY (rate_entry), "1.0"); + gtk_entry_set_width_chars (GTK_ENTRY (rate_entry), 5); + g_signal_connect (G_OBJECT (rate_entry), "activate", + G_CALLBACK (demo_gui_do_rate_entered), gui); + + toolbox = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (toolbox), slower_sm->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), rate_label, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), rate_entry, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), faster_sm->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toolbox), normal->button, FALSE, FALSE, 2); + + + stride_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (60, 1, 1000, 1, + 10, 0)), 0, 0); + overlap_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (20, 0, 100, 5, + 10, .00001)), 0, 0); + search_ui = + gtk_spin_button_new (GTK_ADJUSTMENT (gtk_adjustment_new (14, 0, 1000, 1, + 10, 0)), 0, 0); + gtk_widget_set_sensitive (stride_ui, FALSE); + gtk_widget_set_sensitive (overlap_ui, FALSE); + gtk_widget_set_sensitive (search_ui, FALSE); + g_signal_connect (G_OBJECT (stride_ui), "output", + G_CALLBACK (demo_gui_request_set_stride), gui); + g_signal_connect (G_OBJECT (overlap_ui), "output", + G_CALLBACK (demo_gui_request_set_overlap), gui); + g_signal_connect (G_OBJECT (search_ui), "output", + G_CALLBACK (demo_gui_request_set_search), gui); + g_signal_connect (G_OBJECT (priv->player), "notify::stride", + G_CALLBACK (demo_gui_stride_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui)); + g_signal_connect (G_OBJECT (priv->player), "notify::overlap", + G_CALLBACK (demo_gui_overlap_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, overlap_ui)); + g_signal_connect (G_OBJECT (priv->player), "notify::search", + G_CALLBACK (demo_gui_search_changed), build_gvalue_array (2, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, search_ui)); + propbox = gtk_hbox_new (FALSE, 0); + adv_check = gtk_check_button_new (); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("stride:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), stride_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("overlap:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), overlap_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), gtk_label_new ("search:"), FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), search_ui, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (propbox), adv_check, FALSE, FALSE, 2); + + toggle_advanced = + GTK_ACTION (gtk_toggle_action_new ("advanced", "Enable Parameters", + "Toggle advanced controls", 0)); + gtk_action_group_add_action_with_accel (action_group, toggle_advanced, + "<ctrl>a"); + gtk_action_set_accel_group (toggle_advanced, accel_group); + gtk_action_connect_accelerator (toggle_advanced); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_advanced), FALSE); + gtk_action_connect_proxy (toggle_advanced, adv_check); + g_signal_connect (G_OBJECT (toggle_advanced), "activate", + G_CALLBACK (demo_gui_do_toggle_advanced), build_gvalue_array (4, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, stride_ui, G_TYPE_OBJECT, + overlap_ui, G_TYPE_OBJECT, search_ui)); + + toggle_disabled = + GTK_ACTION (gtk_toggle_action_new ("disabled", "Disable Scaletempo", + "Toggle disabling scaletempo", 0)); + gtk_action_group_add_action_with_accel (action_group, toggle_disabled, + "<ctrl>d"); + gtk_action_set_accel_group (toggle_disabled, accel_group); + gtk_action_connect_accelerator (toggle_disabled); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (toggle_disabled), FALSE); + disabled_check = gtk_check_button_new (); + gtk_action_connect_proxy (toggle_disabled, disabled_check); + g_signal_connect (G_OBJECT (toggle_disabled), "activate", + G_CALLBACK (demo_gui_do_toggle_disabled), build_gvalue_array (3, + G_TYPE_OBJECT, gui, G_TYPE_OBJECT, toggle_advanced, G_TYPE_OBJECT, + propbox)); + gtk_box_pack_start (GTK_BOX (toolbox), disabled_check, FALSE, FALSE, 2); + + + media_controls = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (media_controls), playlist_prev->button, FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), rewind_sm->button, FALSE, FALSE, + 2); + gtk_box_pack_start (GTK_BOX (media_controls), play->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), pause->button, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), forward_sm->button, FALSE, + FALSE, 2); + gtk_box_pack_start (GTK_BOX (media_controls), playlist_next->button, FALSE, + FALSE, 2); + + amount_played = gtk_label_new ("?:??:??"); + amount_to_play = gtk_label_new ("-?:??:??"); + gtk_label_set_width_chars (GTK_LABEL (amount_played), 8); + gtk_label_set_width_chars (GTK_LABEL (amount_to_play), 8); + gtk_misc_set_alignment (GTK_MISC (amount_played), 1, 1); + gtk_misc_set_alignment (GTK_MISC (amount_to_play), 0, 1); + seek_range = + gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.0, 0.0, 5.0, + 30.0, 0.00))); + gtk_range_set_update_policy (GTK_RANGE (seek_range), + GTK_UPDATE_DISCONTINUOUS); + seek_bar = gtk_hbox_new (FALSE, 0); + gtk_box_pack_start (GTK_BOX (seek_bar), amount_played, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (seek_bar), seek_range, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (seek_bar), amount_to_play, FALSE, FALSE, 2); + g_signal_connect (G_OBJECT (seek_range), "format-value", + G_CALLBACK (demo_gui_seek_bar_format), gui); + g_signal_connect (G_OBJECT (seek_range), "change-value", + G_CALLBACK (demo_gui_seek_bar_change), gui); + + status_bar = gtk_statusbar_new (); + + /* Menubar */ + file_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (file_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (open_file->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (about->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (file_menu), + gtk_action_create_menu_item (quit->action)); + file_menu_item = gtk_menu_item_new_with_mnemonic ("_File"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (file_menu_item), file_menu); + + media_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (media_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (rewind_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (rewind_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (forward_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (forward_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (play->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (pause->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (play_pause->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (playlist_prev->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (media_menu), + gtk_action_create_menu_item (playlist_next->action)); + media_menu_item = gtk_menu_item_new_with_mnemonic ("_Media"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (media_menu_item), media_menu); + + demo_menu = gtk_menu_new (); + gtk_menu_set_accel_group (GTK_MENU (demo_menu), accel_group); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (faster_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (faster_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (slower_sm->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (slower_lg->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (normal->action)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (toggle_disabled)); + gtk_menu_shell_append (GTK_MENU_SHELL (demo_menu), + gtk_action_create_menu_item (toggle_advanced)); + demo_menu_item = gtk_menu_item_new_with_mnemonic ("_Scaletempo"); + gtk_menu_item_set_submenu (GTK_MENU_ITEM (demo_menu_item), demo_menu); + + menu_bar = gtk_menu_bar_new (); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), file_menu_item); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), media_menu_item); + gtk_menu_shell_append (GTK_MENU_SHELL (menu_bar), demo_menu_item); + + /* Toplevel Window */ + gtk_window_set_title (GTK_WINDOW (window), "Scaletempo Demo"); + toplevel_box = gtk_vbox_new (FALSE, 0); + gtk_container_set_border_width (GTK_CONTAINER (toplevel_box), 3); + gtk_container_add (GTK_CONTAINER (window), toplevel_box); + gtk_box_pack_start (GTK_BOX (toplevel_box), menu_bar, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), media_controls, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), toolbox, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), propbox, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), seek_bar, FALSE, FALSE, 2); + gtk_box_pack_start (GTK_BOX (toplevel_box), status_bar, FALSE, FALSE, 2); + + priv->window = window; + priv->rate_entry = GTK_ENTRY (rate_entry); + priv->status_bar = GTK_STATUSBAR (status_bar); + priv->seek_range = GTK_RANGE (seek_range); + priv->amount_played = GTK_LABEL (amount_played); + priv->amount_to_play = GTK_LABEL (amount_to_play); + priv->play_action = GTK_ACTION (play->action); + priv->pause_action = GTK_ACTION (pause->action); + priv->open_file = GTK_ACTION (open_file->action); + priv->playlist_next = GTK_ACTION (playlist_next->action); + + gtk_action_set_sensitive (priv->pause_action, FALSE); + gtk_action_set_visible (priv->pause_action, FALSE); + + gtk_widget_show_all (window); + gtk_widget_grab_focus (seek_range); + gtk_action_activate (priv->playlist_next); + status_bar_printf (GTK_STATUSBAR (status_bar), 5, + "Welcome to the Scaletempo demo."); + + if (!g_thread_create ((GThreadFunc) gtk_main, NULL, FALSE, &error)) { + g_signal_emit (gui, demo_gui_signals[SIGNAL_ERROR], 0, error->message); + } +} + + +/* Method wrappers */ +void +demo_gui_set_player (DemoGui * gui, DemoPlayer * player) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_GUI_GET_CLASS (gui)->set_player (gui, player); +} + +void +demo_gui_set_playlist (DemoGui * gui, GList * uris) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + + DEMO_GUI_GET_CLASS (gui)->set_playlist (gui, uris); +} + +void +demo_gui_show (DemoGui * gui) +{ + g_return_if_fail (DEMO_IS_GUI (gui)); + + DEMO_GUI_GET_CLASS (gui)->show (gui); +} + + + +/* GObject overrides */ +static void +demo_gui_get_property (GObject * object, + guint property_id, GValue * value, GParamSpec * pspec) +{ + //DemoGui *gui = DEMO_GUI (object); + switch (property_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +demo_gui_set_property (GObject * object, + guint property_id, const GValue * value, GParamSpec * pspec) +{ + //DemoGui *gui = DEMO_GUI (object); + switch (property_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + + +/* GTypeInfo functions */ +static void +demo_gui_init (GTypeInstance * instance, gpointer klass) +{ + DemoGui *gui = (DemoGui *) instance; + + DemoGuiPrivate *priv = DEMO_GUI_GET_PRIVATE (gui); + priv->player = NULL; + priv->uris = NULL; + priv->now_playing = NULL; + priv->is_playing = FALSE; + priv->window = NULL; + priv->rate_entry = NULL; + priv->position_updater_id = 0; + priv->seek_range = NULL; + priv->amount_played = NULL; + priv->amount_to_play = NULL; +} + +static void +demo_gui_class_init (gpointer klass, gpointer class_data) +{ + DemoGuiClass *gui_class = (DemoGuiClass *) klass; + GObjectClass *as_object_class = G_OBJECT_CLASS (klass); + GType type; + + g_type_class_add_private (klass, sizeof (DemoGuiPrivate)); + + /* DemiPlayer */ + gui_class->set_player = demo_gui_set_player_func; + gui_class->set_playlist = demo_gui_set_playlist_func; + gui_class->show = demo_gui_show_func; + + /* GObject */ + as_object_class->get_property = demo_gui_get_property; + as_object_class->set_property = demo_gui_set_property; + + /* Properties */ + + /* Signals */ + type = G_TYPE_FROM_CLASS (klass); + demo_gui_signals[SIGNAL_ERROR] = g_signal_new ("error", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); + + demo_gui_signals[SIGNAL_QUITING] = g_signal_new ("quiting", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0, NULL); +} + +GType +demo_gui_get_type (void) +{ + static GType type = 0; + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo info = { + sizeof /* Class */ (DemoGuiClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) demo_gui_class_init, + (GClassFinalizeFunc) NULL, + (gconstpointer) NULL, /* class_data */ + sizeof /* Instance */ (DemoGui), + /* n_preallocs */ 0, + (GInstanceInitFunc) demo_gui_init, + (const GTypeValueTable *) NULL + }; + type = g_type_register_static (G_TYPE_OBJECT, "DemoGui", &info, 0); + } + return type; +} diff --git a/tests/examples/scaletempo/demo-gui.h b/tests/examples/scaletempo/demo-gui.h new file mode 100644 index 00000000..b447d0d8 --- /dev/null +++ b/tests/examples/scaletempo/demo-gui.h @@ -0,0 +1,60 @@ +/* demo-gui.h + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DEMO_GUI_H_INCLUDED_ +#define __DEMO_GUI_H_INCLUDED_ + +#include <glib-object.h> +#include "demo-player.h" + +G_BEGIN_DECLS + +#define DEMO_TYPE_GUI (demo_gui_get_type()) +#define DEMO_GUI(o) (G_TYPE_CHECK_INSTANCE_CAST((o), DEMO_TYPE_GUI, DemoGui)) +#define DEMO_IS_GUI(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), DEMO_TYPE_GUI)) +#define DEMO_GUI_TYPE(o) (G_TYPE_FROM_INSTANCE (o)) +#define DEMO_GUI_TYPE_NAME(o) (g_type_name (DEMO_GUI_GUI (o))) + +#define DEMO_GUI_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), DEMO_TYPE_GUI, DemoGuiClass)) +#define DEMO_IS_GUI_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), DEMO_TYPE_GUI)) +#define DEMO_GUI_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), DEMO_TYPE_GUI, DemoGuiClass)) + +typedef struct _DemoGui DemoGui; +typedef struct _DemoGuiClass DemoGuiClass; + +struct _DemoGui +{ + GObject parent; +}; + +struct _DemoGuiClass +{ + GObjectClass parent; + void (*set_player) (DemoGui *gui, DemoPlayer *player); + void (*set_playlist) (DemoGui *gui, GList *uris); + void (*show) (DemoGui *gui); +}; + +GType demo_gui_get_type (void); + +void demo_gui_set_player (DemoGui *gui, DemoPlayer *player); +void demo_gui_set_playlist (DemoGui *gui, GList *uris); +void demo_gui_show (DemoGui *gui); + +G_END_DECLS + +#endif /* __DEMO_GUI_H_INCLUDED_ */ diff --git a/tests/examples/scaletempo/demo-main.c b/tests/examples/scaletempo/demo-main.c new file mode 100644 index 00000000..0902d7b2 --- /dev/null +++ b/tests/examples/scaletempo/demo-main.c @@ -0,0 +1,95 @@ +/* main.c + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "demo-player.h" +#include "demo-gui.h" + +extern GOptionGroup *gtk_get_option_group (gboolean); +extern GOptionGroup *gst_init_get_option_group (void); + +static void +handle_error_message (DemoPlayer * player, const gchar * msg, gpointer data) +{ + const gchar *format = (const gchar *) data; + g_print (format, msg); +} + +static void +handle_quit (gpointer source, gpointer data) +{ + g_main_loop_quit ((GMainLoop *) data); +} + + +int +main (int argc, char *argv[]) +{ + DemoGui *gui; + DemoPlayer *player; + gchar **uris = NULL; + GOptionContext *ctx; + GError *err = NULL; + GMainLoop *loop; + + const GOptionEntry entries[] = { + {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &uris, + "Special option that collects any remaining arguments for us"}, + {NULL,} + }; + + if (!g_thread_supported ()) + g_thread_init (NULL); + + ctx = g_option_context_new ("uri ..."); + g_option_context_add_group (ctx, gst_init_get_option_group ()); + g_option_context_add_group (ctx, gtk_get_option_group (FALSE)); + g_option_context_add_main_entries (ctx, entries, NULL); + if (!g_option_context_parse (ctx, &argc, &argv, &err)) { + g_print ("Error initializing: %s\n", err->message); + g_error_free (err); + return -1; + } + g_option_context_free (ctx); + + gui = g_object_new (DEMO_TYPE_GUI, NULL); + player = g_object_new (DEMO_TYPE_PLAYER, NULL); + g_signal_connect (player, "error", G_CALLBACK (handle_error_message), + "PLAYER ERROR: %s\n"); + g_signal_connect (gui, "error", G_CALLBACK (handle_error_message), + "GUI ERROR: %s\n"); + demo_gui_set_player (gui, player); + + loop = g_main_loop_new (NULL, FALSE); + g_signal_connect (gui, "quiting", G_CALLBACK (handle_quit), loop); + + if (uris != NULL) { + int i, num = g_strv_length (uris); + GList *uri_list = NULL; + for (i = 0; i < num; i++) { + uri_list = g_list_append (uri_list, uris[i]); + } + demo_gui_set_playlist (gui, uri_list); + } + demo_gui_show (gui); + g_main_loop_run (loop); + + return 0; +} diff --git a/tests/examples/scaletempo/demo-player.c b/tests/examples/scaletempo/demo-player.c new file mode 100644 index 00000000..3ed4b718 --- /dev/null +++ b/tests/examples/scaletempo/demo-player.c @@ -0,0 +1,756 @@ +/* demo-player.c + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "demo-player.h" +#include "gst/gst.h" + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "demo-player" + +enum +{ + SIGNAL_ERROR, + SIGNAL_RATE_CHANGE, + SIGNAL_PLAYING_STARTED, + SIGNAL_PLAYING_PAUSED, + SIGNAL_PLAYING_ENDED, + LAST_SIGNAL +}; +static guint demo_player_signals[LAST_SIGNAL] = { 0 }; + +enum +{ + PROP_0, + PROP_RATE, + PROP_STRIDE, + PROP_OVERLAP, + PROP_SEARCH, + PROP_DISABLED +}; + +typedef struct _DemoPlayerPrivate +{ + gdouble rate; + GstElement *scaletempo; + GstElement *pipeline; + gboolean is_disabled; + GstElement *scaletempo_line; + GstElement *scalerate_line; + gboolean ignore_state_change; +} DemoPlayerPrivate; + +#define DEMO_PLAYER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), DEMO_TYPE_PLAYER, DemoPlayerPrivate)) + + +static gboolean +no_pipeline (DemoPlayer * player) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + if (!priv->pipeline) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "No media loaded"); + return TRUE; + } + return FALSE; +} + +static gboolean +demo_player_event_listener (GstElement * host, GstEvent * event, gpointer data) +{ + DemoPlayer *player = DEMO_PLAYER (data); + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) { + gdouble rate, applied_rate; + gdouble new_rate; + + gst_event_parse_new_segment_full (event, NULL, &rate, &applied_rate, NULL, + NULL, NULL, NULL); + new_rate = rate * applied_rate; + if (priv->rate != new_rate) { + priv->rate = new_rate; + g_signal_emit (player, demo_player_signals[SIGNAL_RATE_CHANGE], 0, + new_rate); + } + } + + return TRUE; +} + +static void +demo_player_state_changed_cb (GstBus * bus, GstMessage * message, gpointer data) +{ + DemoPlayer *player = DEMO_PLAYER (data); + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + GstState old, new, pending; + + if (GST_ELEMENT (GST_MESSAGE_SRC (message)) != priv->pipeline) + return; + + gst_message_parse_state_changed (message, &old, &new, &pending); + + if (pending == GST_STATE_VOID_PENDING) { + if (priv->ignore_state_change) { + priv->ignore_state_change = FALSE; + } else if (new == GST_STATE_PAUSED) { + g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_PAUSED], 0); + } else if (new == GST_STATE_PLAYING) { + g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_STARTED], 0); + } + } +} + +static void +demo_player_eos_cb (GstBus * bus, GstMessage * message, gpointer data) +{ + DemoPlayer *player = DEMO_PLAYER (data); + g_signal_emit (player, demo_player_signals[SIGNAL_PLAYING_ENDED], 0); +} + +#define MAKE_ELEMENT(line, var, type, name) \ + if ( !(var = gst_element_factory_make (type, name) ) ) { \ + g_print ("element could not be created: %s/%s\n", type, name); \ + return; \ + } \ + if (line) gst_bin_add (GST_BIN (line), var); + +#define LINK_ELEMENTS(src, sink) \ + if (!gst_element_link (src, sink)) { \ + g_warning ("Failed to link elements: %s -> %s", \ + GST_ELEMENT_NAME (src), GST_ELEMENT_NAME (sink) ); \ + return; \ + } + +static void +demo_player_build_pipeline (DemoPlayer * player) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + GstElement *filter, *playbin, *vsink, *audioline, *format, *resample, *asink; + GstPlugin *gconf; + GstBus *bus; + gboolean has_gconf; + const gchar *audiosink_name; + GstPad *ghostpad; + + priv->pipeline = NULL; + if (!priv->scaletempo) { + return; + } + + filter = priv->scaletempo; + + MAKE_ELEMENT (NULL, playbin, "playbin", "playbin"); + + gconf = gst_default_registry_find_plugin ("gconfelements"); + has_gconf = (gconf != NULL); + gst_object_unref (gconf); + + if (has_gconf) { + MAKE_ELEMENT (NULL, vsink, "gconfvideosink", "vsink"); + g_object_set (G_OBJECT (playbin), "video_sink", vsink, NULL); + } + audiosink_name = has_gconf ? "gconfaudiosink" : "autoaudiosink"; + + audioline = gst_bin_new ("audioline"); + gst_bin_add (GST_BIN (audioline), filter); + MAKE_ELEMENT (audioline, format, "audioconvert", "format"); + MAKE_ELEMENT (audioline, resample, "audioresample", "resample"); + MAKE_ELEMENT (audioline, asink, audiosink_name, "audio_sink"); + LINK_ELEMENTS (filter, format); + LINK_ELEMENTS (format, resample); + LINK_ELEMENTS (resample, asink); + + gst_pad_add_event_probe (gst_element_get_static_pad (asink, "sink"), + G_CALLBACK (demo_player_event_listener), player); + + ghostpad = gst_element_get_static_pad (filter, "sink"); + gst_element_add_pad (audioline, gst_ghost_pad_new ("sink", ghostpad)); + gst_object_unref (ghostpad); + g_object_set (G_OBJECT (playbin), "audio-sink", audioline, NULL); + + bus = gst_pipeline_get_bus (GST_PIPELINE (playbin)); + gst_bus_add_signal_watch (bus); + g_signal_connect (bus, "message::state-changed", + G_CALLBACK (demo_player_state_changed_cb), player); + g_signal_connect (bus, "message::eos", G_CALLBACK (demo_player_eos_cb), + player); + gst_object_unref (bus); + + priv->scaletempo = filter; + priv->pipeline = playbin; + + priv->scaletempo_line = audioline; + MAKE_ELEMENT (NULL, priv->scalerate_line, "gconfaudiosink", + "scaling_audio_sink"); + gst_pad_add_event_probe (gst_element_get_static_pad (priv->scalerate_line, + "sink"), G_CALLBACK (demo_player_event_listener), player); + g_object_ref (priv->scaletempo_line); + g_object_ref (priv->scalerate_line); +} + + +/* method implementations */ +static void +_set_rate (DemoPlayer * player, gdouble new_rate, gint second) +{ + DemoPlayerPrivate *priv; + gint64 pos; + GstSeekType seek_type; + + + if (new_rate == 0) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Cannot set playback to zero. Pausing instead."); + demo_player_pause (player); + } + + priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (second < 0) { + GstFormat fmt = GST_FORMAT_TIME; + seek_type = GST_SEEK_TYPE_SET; + if (!gst_element_query_position (priv->pipeline, &fmt, &pos)) { + // This should be the default but too many upstream elements seek anyway + pos = GST_CLOCK_TIME_NONE; + seek_type = GST_SEEK_TYPE_NONE; + } + } else { + seek_type = GST_SEEK_TYPE_SET; + pos = second * GST_SECOND; + } + + if (!gst_element_seek (priv->pipeline, new_rate, + GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, + seek_type, pos, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Unable to change playback rate"); + } else { + priv->ignore_state_change = TRUE; + } +} + +static void +demo_player_scale_rate_func (DemoPlayer * player, gdouble scale) +{ + DemoPlayerPrivate *priv; + if (no_pipeline (player)) + return; + + priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (scale != 1.0) { + g_message ("Scaling Rate by: %3.2f", scale); + _set_rate (player, priv->rate * scale, -1); + } +} + +static void +demo_player_set_rate_func (DemoPlayer * player, gdouble new_rate) +{ + DemoPlayerPrivate *priv; + + if (no_pipeline (player)) + return; + + priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (priv->rate != new_rate) { + g_message ("Setting Rate to: %3.2f", new_rate); + _set_rate (player, new_rate, -1); + } +} + +static gboolean +_set_state_and_wait (DemoPlayer * player, + GstState new_state, GstClockTime timeout, const gchar * error_msg) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + GstStateChangeReturn ret = gst_element_set_state (priv->pipeline, new_state); + if (ret == GST_STATE_CHANGE_ASYNC) { + ret = gst_element_get_state (priv->pipeline, NULL, NULL, timeout); + } + if (ret != GST_STATE_CHANGE_SUCCESS) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, error_msg); + return FALSE; + } + return TRUE; +} + +static void +demo_player_load_uri_func (DemoPlayer * player, gchar * uri) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + GstState end_state; + gdouble rate; + + if (!priv->pipeline) { + demo_player_build_pipeline (player); + if (!priv->pipeline) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Could not build player"); + return; + } + } + if (!g_str_has_prefix (uri, "file:///")) { + GError *err = NULL; + if (g_path_is_absolute (uri)) { + uri = g_filename_to_uri (uri, NULL, &err); + } else { + gchar *curdir = g_get_current_dir (); + gchar *absolute_path = g_strconcat (curdir, G_DIR_SEPARATOR_S, uri, NULL); + uri = g_filename_to_uri (absolute_path, NULL, &err); + g_free (absolute_path); + g_free (curdir); + } + if (err) { + gchar *msg = g_strconcat ("Could not load uri: ", err->message, NULL); + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, msg); + return; + } + } + + g_message ("Loading URI: %s", uri); + + end_state = + (GST_STATE (priv->pipeline) == + GST_STATE_PLAYING) ? GST_STATE_PLAYING : GST_STATE_PAUSED; + if (!_set_state_and_wait (player, GST_STATE_NULL, 10 * GST_SECOND, + "Unable to load uri")) + return; + + g_object_set (G_OBJECT (priv->pipeline), "uri", uri, NULL); + + rate = priv->rate; + if (rate && rate != 1.0) { + _set_state_and_wait (player, GST_STATE_PAUSED, 10 * GST_SECOND, + "Unable to keep playback rate"); + _set_rate (player, rate, -1); + } + + gst_element_set_state (priv->pipeline, end_state); +} + +static void +demo_player_play_func (DemoPlayer * player) +{ + DemoPlayerPrivate *priv; + GstStateChangeReturn ret; + + if (no_pipeline (player)) + return; + + priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (GST_STATE (priv->pipeline) == GST_STATE_PLAYING) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Already playing"); + return; + } + + g_debug ("Starting to Play"); + ret = gst_element_set_state (priv->pipeline, GST_STATE_PLAYING); + if (ret == GST_STATE_CHANGE_FAILURE) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Unable to start playback"); + return; + } +} + +static void +demo_player_pause_func (DemoPlayer * player) +{ + DemoPlayerPrivate *priv; + GstStateChangeReturn ret; + + if (no_pipeline (player)) + return; + + priv = DEMO_PLAYER_GET_PRIVATE (player); + + if (GST_STATE (priv->pipeline) == GST_STATE_PAUSED) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Already paused"); + return; + } + + g_debug ("Starting to Pause"); + ret = gst_element_set_state (priv->pipeline, GST_STATE_PAUSED); + if (ret == GST_STATE_CHANGE_FAILURE) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Unable to pause playback"); + return; + } +} + +static void +_seek_to (DemoPlayer * player, gint new_second) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + if (!gst_element_seek (priv->pipeline, priv->rate, + GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, + GST_SEEK_TYPE_SET, new_second * GST_SECOND, + GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, "Seek failed"); + return; + } + + priv->ignore_state_change = TRUE; +} + +static void +demo_player_seek_by_func (DemoPlayer * player, gint seconds) +{ + gint pos; + + if (no_pipeline (player)) + return; + + g_debug ("Seeking by: %i", seconds); + + pos = demo_player_get_position (player); + if (pos < 0) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Seek-by failed: could not determine position"); + return; + } + + _seek_to (player, MAX (0, pos + seconds)); +} + +static void +demo_player_seek_to_func (DemoPlayer * player, gint second) +{ + gint new_second; + + if (no_pipeline (player)) + return; + + g_debug ("Seeking to: %i", second); + + if (second < 0) { + gint dur = demo_player_get_duration (player); + if (dur < 0) { + g_signal_emit (player, demo_player_signals[SIGNAL_ERROR], 0, + "Seek-to failed: could not determine duration"); + return; + } + new_second = MAX (0, dur + second); + } else { + new_second = second; + } + + _seek_to (player, new_second); +} + +static gint +demo_player_get_position_func (DemoPlayer * player) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + gint64 pos; + GstFormat fmt = GST_FORMAT_TIME; + + if (!priv->pipeline) + return -1; + + if (!gst_element_query_position (priv->pipeline, &fmt, &pos) || pos < 0) { + return -1; + } + + return (gint) (pos / GST_SECOND); +} + +static gint +demo_player_get_duration_func (DemoPlayer * player) +{ + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + gint64 dur; + GstFormat fmt = GST_FORMAT_TIME; + + if (!priv->pipeline) + return -1; + + if (!gst_element_query_duration (priv->pipeline, &fmt, &dur) || dur < 0) { + return -1; + } + + return (gint) (dur / GST_SECOND); +} + + +/* Method wrappers */ +void +demo_player_scale_rate (DemoPlayer * player, gdouble scale) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->scale_rate (player, scale); +} + +void +demo_player_set_rate (DemoPlayer * player, gdouble new_rate) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->set_rate (player, new_rate); +} + +void +demo_player_load_uri (DemoPlayer * player, gchar * uri) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->load_uri (player, uri); +} + +void +demo_player_play (DemoPlayer * player) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->play (player); +} + +void +demo_player_pause (DemoPlayer * player) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->pause (player); +} + +void +demo_player_seek_by (DemoPlayer * player, gint seconds) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->seek_by (player, seconds); +} + +void +demo_player_seek_to (DemoPlayer * player, gint second) +{ + g_return_if_fail (DEMO_IS_PLAYER (player)); + + DEMO_PLAYER_GET_CLASS (player)->seek_to (player, second); +} + +gint +demo_player_get_position (DemoPlayer * player) +{ + g_return_val_if_fail (DEMO_IS_PLAYER (player), -1); + + return DEMO_PLAYER_GET_CLASS (player)->get_position (player); +} + +gint +demo_player_get_duration (DemoPlayer * player) +{ + g_return_val_if_fail (DEMO_IS_PLAYER (player), -1); + + return DEMO_PLAYER_GET_CLASS (player)->get_duration (player); +} + +/* GObject overrides */ +static void +demo_player_get_property (GObject * object, + guint property_id, GValue * value, GParamSpec * pspec) +{ + DemoPlayer *player = DEMO_PLAYER (object); + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + switch (property_id) { + case PROP_RATE: + g_value_set_double (value, priv->rate); + break; + case PROP_STRIDE: + g_object_get_property (G_OBJECT (priv->scaletempo), "stride", value); + break; + case PROP_OVERLAP: + g_object_get_property (G_OBJECT (priv->scaletempo), "overlap", value); + break; + case PROP_SEARCH: + g_object_get_property (G_OBJECT (priv->scaletempo), "search", value); + break; + case PROP_DISABLED: + g_value_set_boolean (value, priv->is_disabled); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +demo_player_set_property (GObject * object, + guint property_id, const GValue * value, GParamSpec * pspec) +{ + DemoPlayer *player = DEMO_PLAYER (object); + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + switch (property_id) { + case PROP_STRIDE: + g_object_set_property (G_OBJECT (priv->scaletempo), "stride", value); + break; + case PROP_OVERLAP: + g_object_set_property (G_OBJECT (priv->scaletempo), "overlap", value); + break; + case PROP_SEARCH: + g_object_set_property (G_OBJECT (priv->scaletempo), "search", value); + break; + case PROP_DISABLED:{ + gdouble rate = priv->rate; + gint pos = demo_player_get_position (player); + GstState end_state; + GstElement *new_sink; + + priv->is_disabled = g_value_get_boolean (value); + + g_debug ("Scaletempo: %s", priv->is_disabled ? "disabled" : "enabled"); + + end_state = + (GST_STATE (priv->pipeline) == + GST_STATE_PLAYING) ? GST_STATE_PLAYING : GST_STATE_PAUSED; + if (!_set_state_and_wait (player, GST_STATE_NULL, 10 * GST_SECOND, + "Unable to disable")) + break; + + new_sink = + (priv->is_disabled) ? priv->scalerate_line : priv->scaletempo_line; + g_object_set (G_OBJECT (priv->pipeline), "audio-sink", new_sink, NULL); + + if (pos > 0 || (rate && rate != 1.0)) { + _set_state_and_wait (player, GST_STATE_PAUSED, 10 * GST_SECOND, + "Unable to keep playback position and rate"); + _set_rate (player, rate, pos); + } + + gst_element_set_state (priv->pipeline, end_state); + break; + } + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + + +/* GTypeInfo functions */ +static void +demo_player_init (GTypeInstance * instance, gpointer klass) +{ + DemoPlayer *player = (DemoPlayer *) instance; + DemoPlayerPrivate *priv = DEMO_PLAYER_GET_PRIVATE (player); + priv->scaletempo = gst_element_factory_make ("scaletempo", "scaletempo"); + if (!priv->scaletempo) { + g_error ("Unable to make scaletempo element."); + } + priv->rate = 1.0; + priv->pipeline = NULL; + priv->ignore_state_change = FALSE; + priv->is_disabled = FALSE; +} + +static void +demo_player_class_init (gpointer klass, gpointer class_data) +{ + DemoPlayerClass *player_class = (DemoPlayerClass *) klass; + GObjectClass *as_object_class = G_OBJECT_CLASS (klass); + GType type; + + g_type_class_add_private (klass, sizeof (DemoPlayerPrivate)); + + /* DemoPlayer */ + player_class->scale_rate = demo_player_scale_rate_func; + player_class->set_rate = demo_player_set_rate_func; + player_class->load_uri = demo_player_load_uri_func; + player_class->play = demo_player_play_func; + player_class->pause = demo_player_pause_func; + player_class->seek_by = demo_player_seek_by_func; + player_class->seek_to = demo_player_seek_to_func; + player_class->get_position = demo_player_get_position_func; + player_class->get_duration = demo_player_get_duration_func; + + /* GObject */ + as_object_class->get_property = demo_player_get_property; + as_object_class->set_property = demo_player_set_property; + + /* Properties */ + g_object_class_install_property (as_object_class, PROP_RATE, + g_param_spec_double ("rate", "Rate", "Current playback rate", + -128, 128, 1.0, G_PARAM_READABLE)); + + g_object_class_install_property (as_object_class, PROP_STRIDE, + g_param_spec_uint ("stride", "Stride Length", + "Length in milliseconds to output each stride", 1, 10000, 60, + G_PARAM_READWRITE)); + + g_object_class_install_property (as_object_class, PROP_OVERLAP, + g_param_spec_double ("overlap", "Overlap Length", + "Percentage of stride to overlap", 0, 1, .2, G_PARAM_READWRITE)); + + g_object_class_install_property (as_object_class, PROP_SEARCH, + g_param_spec_uint ("search", "Search Length", + "Length in milliseconds to search for best overlap position", 0, + 10000, 14, G_PARAM_READWRITE)); + + g_object_class_install_property (as_object_class, PROP_DISABLED, + g_param_spec_boolean ("disabled", "disable scaletempo", + "Disable scaletempo and scale bothe tempo and pitch", FALSE, + G_PARAM_READWRITE)); + + /* Signals */ + type = G_TYPE_FROM_CLASS (klass); + demo_player_signals[SIGNAL_ERROR] = g_signal_new ("error", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); + + demo_player_signals[SIGNAL_RATE_CHANGE] = g_signal_new ("rate-changed", type, + G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__DOUBLE, G_TYPE_NONE, 1, G_TYPE_DOUBLE); + + demo_player_signals[SIGNAL_PLAYING_STARTED] = + g_signal_new ("playing-started", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + + demo_player_signals[SIGNAL_PLAYING_PAUSED] = + g_signal_new ("playing-paused", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + + demo_player_signals[SIGNAL_PLAYING_ENDED] = + g_signal_new ("playing-ended", type, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, + g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); +} + +GType +demo_player_get_type (void) +{ + static GType type = 0; + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo info = { + sizeof /* Class */ (DemoPlayerClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) demo_player_class_init, + (GClassFinalizeFunc) NULL, + (gconstpointer) NULL, /* class_data */ + sizeof /* Instance */ (DemoPlayer), + /* n_preallocs */ 0, + (GInstanceInitFunc) demo_player_init, + (const GTypeValueTable *) NULL + }; + type = g_type_register_static (G_TYPE_OBJECT, "DemoPlayer", &info, 0); + } + return type; +} diff --git a/tests/examples/scaletempo/demo-player.h b/tests/examples/scaletempo/demo-player.h new file mode 100644 index 00000000..ff521fc7 --- /dev/null +++ b/tests/examples/scaletempo/demo-player.h @@ -0,0 +1,71 @@ +/* gui.h + * Copyright (C) 2008 Rov Juvano <rovjuvano@users.sourceforge.net> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DEMO_PLAYER_H_INCLUDED_ +#define __DEMO_PLAYER_H_INCLUDED_ + +#include <glib-object.h> + +G_BEGIN_DECLS + +#define DEMO_TYPE_PLAYER (demo_player_get_type()) +#define DEMO_PLAYER(o) (G_TYPE_CHECK_INSTANCE_CAST((o), DEMO_TYPE_PLAYER, DemoPlayer)) +#define DEMO_IS_PLAYER(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), DEMO_TYPE_PLAYER)) +#define DEMO_PLAYER_TYPE(o) (G_TYPE_FROM_INSTANCE (o)) +#define DEMO_PLAYER_TYPE_NAME(o) (g_type_name (DEMO_PLAYER_TYPE (o))) + +#define DEMO_PLAYER_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), DEMO_TYPE_PLAYER, DemoPlayerClass)) +#define DEMO_IS_PLAYER_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), DEMO_TYPE_PLAYER)) +#define DEMO_PLAYER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), DEMO_TYPE_PLAYER, DemoPlayerClass)) + +typedef struct _DemoPlayer DemoPlayer; +typedef struct _DemoPlayerClass DemoPlayerClass; + +struct _DemoPlayer +{ + GObject parent; +}; + +struct _DemoPlayerClass +{ + GObjectClass parent; + void (*scale_rate) (DemoPlayer *player, gdouble scale); + void (*set_rate) (DemoPlayer *player, gdouble new_rate); + void (*load_uri) (DemoPlayer *player, gchar *uri); + void (*play) (DemoPlayer *player); + void (*pause) (DemoPlayer *player); + void (*seek_by) (DemoPlayer *player, gint seconds); + void (*seek_to) (DemoPlayer *player, gint seconds); + gint (*get_position) (DemoPlayer *player); + gint (*get_duration) (DemoPlayer *player); +}; + +GType demo_player_get_type (void); + +void demo_player_scale_rate (DemoPlayer *player, gdouble scale); +void demo_player_set_rate (DemoPlayer *player, gdouble new_rate); +void demo_player_load_uri (DemoPlayer *player, gchar *uri); +void demo_player_play (DemoPlayer *player); +void demo_player_pause (DemoPlayer *player); +void demo_player_seek_by (DemoPlayer *player, gint seconds); +void demo_player_seek_to (DemoPlayer *player, gint second); +gint demo_player_get_position (DemoPlayer *player); +gint demo_player_get_duration (DemoPlayer *player); + +G_END_DECLS + +#endif /* __DEMO_PLAYER_H_INCLUDED_ */ diff --git a/tests/examples/stats/Makefile.am b/tests/examples/stats/Makefile.am new file mode 100644 index 00000000..0f7d81cf --- /dev/null +++ b/tests/examples/stats/Makefile.am @@ -0,0 +1,6 @@ +noinst_PROGRAMS = mp2ogg + +LDADD = $(GST_LIBS) +AM_CFLAGS = $(GST_CFLAGS) + + diff --git a/tests/examples/stats/mp2ogg.c b/tests/examples/stats/mp2ogg.c new file mode 100644 index 00000000..fc56d5b5 --- /dev/null +++ b/tests/examples/stats/mp2ogg.c @@ -0,0 +1,102 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <gst/gst.h> + +/* This example app demonstartes the use of pad query and convert to + * get useful statistics about a plugin. In this case we monitor the + * compression status of mpeg audio to ogg vorbis transcoding. + */ + +gint +main (gint argc, gchar * argv[]) +{ + GstElement *pipeline; + GError *error = NULL; + gchar *description; + GstElement *encoder, *decoder; + GstPad *dec_sink, *enc_src; + + gst_init (&argc, &argv); + + if (argc < 3) { + g_print ("usage: %s <inputfile> <outputfile>\n", argv[0]); + return -1; + } + + description = g_strdup_printf ("filesrc location=\"%s\" ! mad name=decoder ! " + "vorbisenc name=encoder ! filesink location=\"%s\"", argv[1], argv[2]); + + pipeline = GST_ELEMENT (gst_parse_launch (description, &error)); + if (!pipeline) { + if (error) + g_print ("ERROR: pipeline could not be constructed: %s\n", + error->message); + else + g_print ("ERROR: pipeline could not be constructed\n"); + return -1; + } + + decoder = gst_bin_get_by_name (GST_BIN (pipeline), "decoder"); + encoder = gst_bin_get_by_name (GST_BIN (pipeline), "encoder"); + + dec_sink = gst_element_get_pad (decoder, "sink"); + enc_src = gst_element_get_pad (encoder, "src"); + + if (gst_element_set_state (pipeline, + GST_STATE_PLAYING) != GST_STATE_CHANGE_SUCCESS) { + g_print ("pipeline doesn't want to play\n"); + return -1; + } + + while (gst_bin_iterate (GST_BIN (pipeline))) { + gint64 position; + gint64 duration; + gint64 bitrate_enc, bitrate_dec; + GstFormat format; + + format = GST_FORMAT_TIME; + /* get the position */ + gst_pad_query (enc_src, GST_QUERY_POSITION, &format, &position); + + /* get the total duration */ + gst_pad_query (enc_src, GST_QUERY_TOTAL, &format, &duration); + + format = GST_FORMAT_BYTES; + /* see how many bytes are genereated per 8 seconds (== bitrate) */ + gst_pad_convert (enc_src, GST_FORMAT_TIME, 8 * GST_SECOND, + &format, &bitrate_enc); + + gst_pad_convert (dec_sink, GST_FORMAT_TIME, 8 * GST_SECOND, + &format, &bitrate_dec); + + g_print ("[%2dm %.2ds] of [%2dm %.2ds], " + "src avg bitrate: %" G_GINT64_FORMAT ", dest avg birate: %" + G_GINT64_FORMAT ", ratio [%02.2f] \r", + (gint) (position / (GST_SECOND * 60)), + (gint) (position / (GST_SECOND)) % 60, + (gint) (duration / (GST_SECOND * 60)), + (gint) (duration / (GST_SECOND)) % 60, bitrate_dec, bitrate_enc, + (gfloat) bitrate_dec / bitrate_enc); + } + + g_print ("\n"); + + return 0; +} diff --git a/tests/examples/switch/.gitignore b/tests/examples/switch/.gitignore new file mode 100644 index 00000000..7893c435 --- /dev/null +++ b/tests/examples/switch/.gitignore @@ -0,0 +1 @@ +switcher diff --git a/tests/examples/switch/Makefile.am b/tests/examples/switch/Makefile.am new file mode 100644 index 00000000..9a706048 --- /dev/null +++ b/tests/examples/switch/Makefile.am @@ -0,0 +1,7 @@ + +noinst_PROGRAMS = switcher + +switcher_SOURCES = switcher.c +switcher_CFLAGS = $(GST_CFLAGS) +switcher_LDFLAGS = $(GST_LIBS) + diff --git a/tests/examples/switch/switcher.c b/tests/examples/switch/switcher.c new file mode 100644 index 00000000..4742c033 --- /dev/null +++ b/tests/examples/switch/switcher.c @@ -0,0 +1,162 @@ +/* GStreamer + * Copyright (C) 2003 Julien Moutte <julien@moutte.net> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include <string.h> +#include <stdlib.h> + + +#include <gst/gst.h> + +static GMainLoop *loop = NULL; + +static gboolean +my_bus_callback (GstBus * bus, GstMessage * message, gpointer data) +{ + g_print ("Got %s message\n", GST_MESSAGE_TYPE_NAME (message)); + + switch (GST_MESSAGE_TYPE (message)) { + case GST_MESSAGE_ERROR:{ + GError *err; + gchar *debug; + + gst_message_parse_error (message, &err, &debug); + g_print ("Error: %s\n", err->message); + g_error_free (err); + g_free (debug); + + g_main_loop_quit (loop); + break; + } + case GST_MESSAGE_EOS: + /* end-of-stream */ + g_main_loop_quit (loop); + break; + default: + /* unhandled message */ + break; + } + + /* we want to be notified again the next time there is a message + * on the bus, so returning TRUE (FALSE means we want to stop watching + * for messages on the bus and our callback should not be called again) + */ + return TRUE; +} + + + +static gboolean +switch_timer (GstElement * video_switch) +{ + gint nb_sources; + GstPad *active_pad, *new_pad; + gchar *active_name; + + g_message ("switching"); + g_object_get (G_OBJECT (video_switch), "n-pads", &nb_sources, NULL); + g_object_get (G_OBJECT (video_switch), "active-pad", &active_pad, NULL); + + active_name = gst_pad_get_name (active_pad); + if (strcmp (active_name, "sink0") == 0) { + new_pad = gst_element_get_static_pad (video_switch, "sink1"); + } else { + new_pad = gst_element_get_static_pad (video_switch, "sink0"); + } + g_object_set (G_OBJECT (video_switch), "active-pad", new_pad, NULL); + g_free (active_name); + gst_object_unref (new_pad); + + g_message ("current number of sources : %d, active source %s", + nb_sources, gst_pad_get_name (active_pad)); + + return (GST_STATE (GST_ELEMENT (video_switch)) == GST_STATE_PLAYING); +} + +static void +last_message_received (GObject * segment) +{ + gchar *last_message; + + g_object_get (segment, "last_message", &last_message, NULL); + g_print ("last-message: %s\n", last_message); + g_free (last_message); +} + +int +main (int argc, char *argv[]) +{ + GstElement *pipeline, *src1, *src2, *video_switch, *video_sink, *segment; + GstElement *sink1_sync, *sink2_sync, *capsfilter; + GstBus *bus; + + /* Initing GStreamer library */ + gst_init (&argc, &argv); + + loop = g_main_loop_new (NULL, FALSE); + + pipeline = gst_pipeline_new ("pipeline"); + src1 = gst_element_factory_make ("videotestsrc", "src1"); + g_object_set (G_OBJECT (src1), "pattern", 0, NULL); + src2 = gst_element_factory_make ("videotestsrc", "src2"); + g_object_set (G_OBJECT (src2), "pattern", 1, NULL); + capsfilter = gst_element_factory_make ("capsfilter", "caps0"); + g_object_set (G_OBJECT (capsfilter), "caps", + gst_caps_from_string ("video/x-raw-rgb,width=640,height=480"), NULL); + video_switch = gst_element_factory_make ("input-selector", "video_switch"); + segment = gst_element_factory_make ("identity", "identity-segment"); + g_object_set (G_OBJECT (segment), "silent", TRUE, NULL); + g_signal_connect (G_OBJECT (segment), "notify::last-message", + G_CALLBACK (last_message_received), segment); + g_object_set (G_OBJECT (segment), "single-segment", TRUE, NULL); + video_sink = gst_element_factory_make ("ximagesink", "video_sink"); + g_object_set (G_OBJECT (video_sink), "sync", FALSE, NULL); + sink1_sync = gst_element_factory_make ("identity", "sink0_sync"); + g_object_set (G_OBJECT (sink1_sync), "sync", TRUE, NULL); + sink2_sync = gst_element_factory_make ("identity", "sink1_sync"); + g_object_set (G_OBJECT (sink2_sync), "sync", TRUE, NULL); + gst_bin_add_many (GST_BIN (pipeline), src1, src2, segment, video_switch, + video_sink, sink1_sync, sink2_sync, capsfilter, NULL); + gst_element_link (src1, sink1_sync); + gst_element_link (sink1_sync, video_switch); + gst_element_link (src2, capsfilter); + gst_element_link (capsfilter, sink2_sync); + gst_element_link (sink2_sync, video_switch); + gst_element_link (video_switch, segment); + gst_element_link (segment, /*scaler); + gst_element_link (scaler, */ video_sink); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_add_watch (bus, my_bus_callback, NULL); + gst_object_unref (bus); + gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); + + g_timeout_add (200, (GSourceFunc) switch_timer, video_switch); + + g_main_loop_run (loop); + + gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY); + + /* unref */ + gst_object_unref (GST_OBJECT (pipeline)); + + exit (0); +} |
