diff options
| -rw-r--r-- | tests/examples/app/.gitignore | 6 | ||||
| -rw-r--r-- | tests/examples/app/Makefile.am | 32 | ||||
| -rw-r--r-- | tests/examples/app/appsink-src.c | 192 | ||||
| -rw-r--r-- | tests/examples/app/appsrc-ra.c | 223 | ||||
| -rw-r--r-- | tests/examples/app/appsrc-seekable.c | 229 | ||||
| -rw-r--r-- | tests/examples/app/appsrc-stream.c | 249 | ||||
| -rw-r--r-- | tests/examples/app/appsrc-stream2.c | 219 | ||||
| -rw-r--r-- | tests/examples/app/appsrc_ex.c | 89 |
8 files changed, 0 insertions, 1239 deletions
diff --git a/tests/examples/app/.gitignore b/tests/examples/app/.gitignore deleted file mode 100644 index 8a2c7615..00000000 --- a/tests/examples/app/.gitignore +++ /dev/null @@ -1,6 +0,0 @@ -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 deleted file mode 100644 index 4f3df777..00000000 --- a/tests/examples/app/Makefile.am +++ /dev/null @@ -1,32 +0,0 @@ - -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 deleted file mode 100644 index a92dfb51..00000000 --- a/tests/examples/app/appsink-src.c +++ /dev/null @@ -1,192 +0,0 @@ -#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 deleted file mode 100644 index aa4962fe..00000000 --- a/tests/examples/app/appsrc-ra.c +++ /dev/null @@ -1,223 +0,0 @@ -/* 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 deleted file mode 100644 index 7137d13e..00000000 --- a/tests/examples/app/appsrc-seekable.c +++ /dev/null @@ -1,229 +0,0 @@ -/* 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 deleted file mode 100644 index 870d707c..00000000 --- a/tests/examples/app/appsrc-stream.c +++ /dev/null @@ -1,249 +0,0 @@ -/* 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 deleted file mode 100644 index 866b0504..00000000 --- a/tests/examples/app/appsrc-stream2.c +++ /dev/null @@ -1,219 +0,0 @@ -/* 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 deleted file mode 100644 index bc629fb0..00000000 --- a/tests/examples/app/appsrc_ex.c +++ /dev/null @@ -1,89 +0,0 @@ - - -#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); -} |