diff options
Diffstat (limited to 'gst-libs')
| -rw-r--r-- | gst-libs/gst/play/Makefile.am | 4 | ||||
| -rw-r--r-- | gst-libs/gst/play/gstplay.c | 1134 | ||||
| -rw-r--r-- | gst-libs/gst/play/gstplay.h | 90 | ||||
| -rw-r--r-- | gst-libs/gst/play/play.c | 2 |
4 files changed, 3 insertions, 1227 deletions
diff --git a/gst-libs/gst/play/Makefile.am b/gst-libs/gst/play/Makefile.am index 82a6d672..95ce3d58 100644 --- a/gst-libs/gst/play/Makefile.am +++ b/gst-libs/gst/play/Makefile.am @@ -2,10 +2,10 @@ librarydir = $(libdir) library_LTLIBRARIES = libgstplay-@GST_MAJORMINOR@.la -libgstplay_@GST_MAJORMINOR@_la_SOURCES = gstplay.c +libgstplay_@GST_MAJORMINOR@_la_SOURCES = play.c libgstplay_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/play -libgstplay_@GST_MAJORMINOR@include_HEADERS = gstplay.h +libgstplay_@GST_MAJORMINOR@include_HEADERS = play.h libgstplay_@GST_MAJORMINOR@_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_CFLAGS) libgstplay_@GST_MAJORMINOR@_la_LIBADD = diff --git a/gst-libs/gst/play/gstplay.c b/gst-libs/gst/play/gstplay.c deleted file mode 100644 index 35f6d5cc..00000000 --- a/gst-libs/gst/play/gstplay.c +++ /dev/null @@ -1,1134 +0,0 @@ -/* 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 "gstplay.h" - -enum -{ - TIME_TICK, - STREAM_LENGTH, - HAVE_VIDEO_SIZE, - LAST_SIGNAL -}; - -struct _GstPlayPrivate { - char *location; - - GHashTable *elements; - - gint64 time_nanos; - gint64 length_nanos; - - gint get_length_attempt; - - guint tick_id; - guint length_id; - - gulong handoff_hid; -}; - -static guint gst_play_signals[LAST_SIGNAL] = { 0 }; - -static GstPipelineClass *parent_class = NULL; - -/* ======================================================= */ -/* */ -/* Private Methods */ -/* */ -/* ======================================================= */ - -static gboolean -gst_play_pipeline_setup (GstPlay *play) -{ - /* Threads */ - GstElement *work_thread, *audio_thread, *video_thread; - /* Main Thread elements */ - GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *identity; - GstElement *identity_cs; - /* Visualization bin */ - GstElement *vis_bin, *vis_queue, *vis_element, *vis_cs; - /* Video Thread elements */ - GstElement *video_queue, *video_switch, *video_cs, *video_balance; - GstElement *balance_cs, *video_scaler, *video_sink; - /* Audio Thread elements */ - GstElement *audio_queue, *audio_sink; - /* Some useful pads */ - GstPad *tee_pad1, *tee_pad2; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - /* Creating main thread and its elements */ - { - work_thread = gst_element_factory_make ("thread", "work_thread"); - if (!GST_IS_ELEMENT (work_thread)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "work_thread", work_thread); - gst_bin_add (GST_BIN (play), work_thread); - - /* Placeholder for datasrc */ - source = gst_element_factory_make ("fakesrc", "source"); - if (!GST_IS_ELEMENT (source)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "source", source); - - /* Autoplugger */ - autoplugger = gst_element_factory_make ("spider", "autoplugger"); - if (!GST_IS_ELEMENT (autoplugger)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "autoplugger", autoplugger); - - /* Make sure we convert audio to the needed format */ - audioconvert = gst_element_factory_make ("audioconvert", - "audioconvert"); - if (!GST_IS_ELEMENT (audioconvert)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "volume", audioconvert); - - /* Volume control */ - volume = gst_element_factory_make ("volume", "volume"); - if (!GST_IS_ELEMENT (volume)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "audioconvert", volume); - - /* Duplicate audio signal to audio sink and visualization thread */ - tee = gst_element_factory_make ("tee", "tee"); - if (!GST_IS_ELEMENT (tee)) - return FALSE; - - tee_pad1 = gst_element_get_request_pad (tee, "src%d"); - tee_pad2 = gst_element_get_request_pad (tee, "src%d"); - g_hash_table_insert (play->priv->elements, "tee_pad1", tee_pad1); - g_hash_table_insert (play->priv->elements, "tee_pad2", tee_pad2); - g_hash_table_insert (play->priv->elements, "tee", tee); - - gst_bin_add_many (GST_BIN (work_thread), source, autoplugger,/* audioconvert,*/ - volume, tee, NULL); - gst_element_link_many (source, autoplugger,/* audioconvert,*/ volume, tee, NULL); - - /* identity ! colorspace ! switch */ - identity = gst_element_factory_make ("identity", "identity"); - if (!GST_IS_ELEMENT (identity)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "identity", identity); - - identity_cs = gst_element_factory_make ("ffcolorspace", "identity_cs"); - if (!GST_IS_ELEMENT (identity_cs)) { - identity_cs = gst_element_factory_make ("colorspace", "identity_cs"); - if (!GST_IS_ELEMENT (identity_cs)) - return FALSE; - } - - g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs); - - gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL); - gst_element_link_many (autoplugger, identity, identity_cs, NULL); - } - - /* Visualization bin (note: it s not added to the pipeline yet) */ - { - vis_bin = gst_bin_new ("vis_bin"); - if (!GST_IS_ELEMENT (vis_bin)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "vis_bin", vis_bin); - - /* Buffer queue for video data */ - vis_queue = gst_element_factory_make ("queue", "vis_queue"); - if (!GST_IS_ELEMENT (vis_queue)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "vis_queue", vis_queue); - - /* Visualization element placeholder */ - vis_element = gst_element_factory_make ("identity", "vis_element"); - if (!GST_IS_ELEMENT (vis_element)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "vis_element", vis_element); - - /* Colorspace conversion */ - vis_cs = gst_element_factory_make ("ffcolorspace", "vis_cs"); - if (!GST_IS_ELEMENT (vis_cs)) { - vis_cs = gst_element_factory_make ("colorspace", "vis_cs"); - if (!GST_IS_ELEMENT (vis_cs)) - return FALSE; - } - - g_hash_table_insert (play->priv->elements, "vis_cs", vis_cs); - - gst_bin_add_many (GST_BIN (vis_bin), vis_queue, vis_element, vis_cs, NULL); - gst_element_link_many (vis_queue, vis_element, vis_cs, NULL); - gst_element_add_ghost_pad (vis_bin, - gst_element_get_pad (vis_cs, "src"), "src"); - } - /* Creating our video output bin */ - { - video_thread = gst_element_factory_make ("thread", "video_thread"); - if (!GST_IS_ELEMENT (video_thread)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_thread", video_thread); - gst_bin_add (GST_BIN (work_thread), video_thread); - - /* Buffer queue for video data */ - video_queue = gst_element_factory_make ("queue", "video_queue"); - if (!GST_IS_ELEMENT (video_queue)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_queue", video_queue); - - video_switch = gst_element_factory_make ("switch", "video_switch"); - if (!GST_IS_ELEMENT (video_switch)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_switch", video_switch); - - /* Colorspace conversion */ - video_cs = gst_element_factory_make ("ffcolorspace", "video_cs"); - if (!GST_IS_ELEMENT (video_cs)) { - video_cs = gst_element_factory_make ("colorspace", "video_cs"); - if (!GST_IS_ELEMENT (video_cs)) - return FALSE; - } - - g_hash_table_insert (play->priv->elements, "video_cs", video_cs); - - /* Software colorbalance */ - video_balance = gst_element_factory_make ("videobalance", - "video_balance"); - if (!GST_IS_ELEMENT (video_balance)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_balance", - video_balance); - - /* Colorspace conversion */ - balance_cs = gst_element_factory_make ("ffcolorspace", "balance_cs"); - if (!GST_IS_ELEMENT (balance_cs)) { - balance_cs = gst_element_factory_make ("colorspace", "balance_cs"); - if (!GST_IS_ELEMENT (balance_cs)) - return FALSE; - } - - g_hash_table_insert (play->priv->elements, "balance_cs", balance_cs); - - /* Software scaling of video stream */ - video_scaler = gst_element_factory_make ("videoscale", "video_scaler"); - if (!GST_IS_ELEMENT (video_scaler)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_scaler", video_scaler); - - /* Placeholder for future video sink bin */ - video_sink = gst_element_factory_make ("fakesink", "video_sink"); - if (!GST_IS_ELEMENT (video_sink)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "video_sink", video_sink); - - gst_bin_add_many (GST_BIN (video_thread), video_queue, video_switch, video_cs, - video_balance, balance_cs, video_scaler, video_sink, NULL); - gst_element_link_many (video_queue, video_switch, video_cs, video_balance, - balance_cs, video_scaler, video_sink, NULL); - gst_element_add_ghost_pad (video_thread, - gst_element_get_pad (video_queue, "sink"), - "sink"); - gst_element_link (identity_cs, video_thread); - } - /* Creating our audio output bin - { queue ! fakesink } */ - { - audio_thread = gst_element_factory_make ("thread", "audio_thread"); - if (!GST_IS_ELEMENT (audio_thread)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "audio_thread", audio_thread); - gst_bin_add (GST_BIN (work_thread), audio_thread); - - /* Buffer queue for our audio thread */ - audio_queue = gst_element_factory_make ("queue", "audio_queue"); - if (!GST_IS_ELEMENT (audio_queue)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "audio_queue", audio_queue); - - /* Placeholder for future audio sink bin */ - audio_sink = gst_element_factory_make ("fakesink", "audio_sink"); - if (!GST_IS_ELEMENT (audio_sink)) - return FALSE; - - g_hash_table_insert (play->priv->elements, "audio_sink", audio_sink); - - gst_bin_add_many (GST_BIN (audio_thread), audio_queue, audio_sink, NULL); - gst_element_link (audio_queue, audio_sink); - gst_element_add_ghost_pad (audio_thread, - gst_element_get_pad (audio_queue, "sink"), - "sink"); - gst_pad_link (tee_pad2, gst_element_get_pad (audio_queue, "sink")); - } - - return TRUE; -} - -static void -gst_play_have_video_size (GstElement *element, gint width, - gint height, GstPlay *play) -{ - g_return_if_fail (play != NULL); - g_return_if_fail (GST_IS_PLAY (play)); - g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIDEO_SIZE], - 0, width, height); -} - -static gboolean -gst_play_tick_callback (GstPlay *play) -{ - GstFormat format = GST_FORMAT_TIME; - gboolean q = FALSE; - GstElement *audio_sink_element = NULL; - - g_return_val_if_fail (play != NULL, FALSE); - - if (!GST_IS_PLAY (play)) { - play->priv->tick_id = 0; - return FALSE; - } - - audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - - if (!GST_IS_ELEMENT (audio_sink_element)) { - play->priv->tick_id = 0; - return FALSE; - } - - q = gst_element_query (audio_sink_element, GST_QUERY_POSITION, &format, - &(play->priv->time_nanos)); - - if (q) - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0,play->priv->time_nanos); - - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) - return TRUE; - else { - play->priv->tick_id = 0; - return FALSE; - } -} - -static gboolean -gst_play_get_length_callback (GstPlay *play) -{ - GstElement *audio_sink_element, *video_sink_element; - GstFormat format = GST_FORMAT_TIME; - gint64 value; - gboolean q = FALSE; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - /* We try to get length from all real sink elements */ - audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - video_sink_element = g_hash_table_lookup (play->priv->elements, - "video_sink_element"); - if (!GST_IS_ELEMENT (audio_sink_element) && - !GST_IS_ELEMENT (video_sink_element)) { - play->priv->length_id = 0; - return FALSE; - } - - /* Audio first and then Video */ - if (GST_IS_ELEMENT (audio_sink_element)) - q = gst_element_query (audio_sink_element, GST_QUERY_TOTAL, &format, - &value); - if ( (!q) && (GST_IS_ELEMENT (video_sink_element)) ) - q = gst_element_query (video_sink_element, GST_QUERY_TOTAL, &format, - &value); - - if (q) { - play->priv->length_nanos = value; - g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], - 0,play->priv->length_nanos); - play->priv->length_id = 0; - return FALSE; - } - - play->priv->get_length_attempt++; - - /* We try 16 times */ - if (play->priv->get_length_attempt > 15) { - play->priv->length_id = 0; - return FALSE; - } - else - return TRUE; -} - -static void -gst_play_state_change (GstElement *element, GstElementState old, - GstElementState state) -{ - GstPlay *play; - - g_return_if_fail (element != NULL); - g_return_if_fail (GST_IS_PLAY (element)); - - play = GST_PLAY (element); - - if (state == GST_STATE_PLAYING) { - if (play->priv->tick_id) { - g_source_remove (play->priv->tick_id); - play->priv->tick_id = 0; - } - - play->priv->tick_id = g_timeout_add (200, - (GSourceFunc) gst_play_tick_callback, - play); - - play->priv->get_length_attempt = 0; - - if (play->priv->length_id) { - g_source_remove (play->priv->length_id); - play->priv->length_id = 0; - } - - play->priv->length_id = g_timeout_add (200, - (GSourceFunc) gst_play_get_length_callback, - play); - } - - if (GST_ELEMENT_CLASS (parent_class)->state_change) - GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state); -} - -static void -gst_play_identity_handoff (GstElement *identity, GstBuffer *buf, GstPlay *play) -{ - g_signal_handler_disconnect (G_OBJECT (identity), play->priv->handoff_hid); - play->priv->handoff_hid = 0; - gst_play_connect_visualization (play, FALSE); -} - -/* =========================================== */ -/* */ -/* Init & Dispose & Class init */ -/* */ -/* =========================================== */ - -static void -gst_play_dispose (GObject *object) -{ - GstPlay *play; - - g_return_if_fail (object != NULL); - g_return_if_fail (GST_IS_PLAY (object)); - - play = GST_PLAY (object); - - if (play->priv->length_id) { - g_source_remove (play->priv->length_id); - play->priv->length_id = 0; - } - - if (play->priv->tick_id) { - g_source_remove (play->priv->tick_id); - play->priv->tick_id = 0; - } - - if (play->priv->location) { - g_free (play->priv->location); - play->priv->location = NULL; - } - - if (play->priv->elements) { - g_hash_table_destroy (play->priv->elements); - play->priv->elements = NULL; - } - - G_OBJECT_CLASS (parent_class)->dispose (object); -} - -static void -gst_play_init (GstPlay *play) -{ - play->priv = g_new0 (GstPlayPrivate, 1); - play->priv->location = NULL; - play->priv->length_nanos = 0; - play->priv->time_nanos = 0; - play->priv->elements = g_hash_table_new (g_str_hash, g_str_equal); - - if (!gst_play_pipeline_setup (play)) - g_warning ("libgstplay: failed initializing pipeline"); -} - -static void -gst_play_class_init (GstPlayClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->dispose = gst_play_dispose; - - element_class->state_change = gst_play_state_change; - - gst_play_signals[TIME_TICK] = - g_signal_new ("time_tick", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, time_tick), NULL, NULL, - gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); - gst_play_signals[STREAM_LENGTH] = - g_signal_new ("stream_length", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, stream_length), NULL, NULL, - gst_marshal_VOID__INT64, G_TYPE_NONE, 1, G_TYPE_INT64); - gst_play_signals[HAVE_VIDEO_SIZE] = - g_signal_new ("have_video_size", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (GstPlayClass, have_video_size), NULL, NULL, - gst_marshal_VOID__INT_INT, G_TYPE_NONE, 2, - G_TYPE_INT, G_TYPE_INT); -} - -/* ======================================================= */ -/* */ -/* Public Methods */ -/* */ -/* ======================================================= */ - -/** - * gst_play_set_location: - * @play: a #GstPlay. - * @location: a const #char* indicating location to play - * - * Set location of @play to @location. - * - * Returns: TRUE if location was set successfully. - */ -gboolean -gst_play_set_location (GstPlay *play, const char *location) -{ - GstElement *work_thread, *source, *autoplugger; - GstElement *audioconvert, *identity; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - if (play->priv->location) - g_free (play->priv->location); - - play->priv->location = g_strdup (location); - - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - - work_thread = g_hash_table_lookup (play->priv->elements, "work_thread"); - if (!GST_IS_ELEMENT (work_thread)) - return FALSE; - source = g_hash_table_lookup (play->priv->elements, "source"); - if (!GST_IS_ELEMENT (source)) - return FALSE; - autoplugger = g_hash_table_lookup (play->priv->elements, "autoplugger"); - if (!GST_IS_ELEMENT (autoplugger)) - return FALSE; - audioconvert = g_hash_table_lookup (play->priv->elements, "audioconvert"); - if (!GST_IS_ELEMENT (audioconvert)) - return FALSE; - identity = g_hash_table_lookup (play->priv->elements, "identity"); - if (!GST_IS_ELEMENT (identity)) - return FALSE; - - /* Spider can autoplugg only once. We remove the actual one and put a new - autoplugger */ - gst_element_unlink (source, autoplugger); - gst_element_unlink (autoplugger, identity); - gst_element_unlink (autoplugger, audioconvert); - gst_bin_remove (GST_BIN (work_thread), autoplugger); - - autoplugger = gst_element_factory_make ("spider", "autoplugger"); - if (!GST_IS_ELEMENT (autoplugger)) - return FALSE; - - gst_bin_add (GST_BIN (work_thread), autoplugger); - gst_element_link (source, autoplugger); - gst_element_link (autoplugger, audioconvert); - gst_element_link (autoplugger, identity); - - g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger); - - /* FIXME: Why don't we have an interface to do that kind of stuff ? */ - g_object_set (G_OBJECT (source), "location", play->priv->location, NULL); - - play->priv->length_nanos = 0LL; - play->priv->time_nanos = 0LL; - - g_signal_emit (G_OBJECT (play), gst_play_signals[STREAM_LENGTH], 0, 0LL); - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], 0, 0LL); - - return TRUE; -} - -/** - * gst_play_get_location: - * @play: a #GstPlay. - * - * Get current location of @play. - * - * Returns: a const #char* pointer to current location. - */ -char * -gst_play_get_location (GstPlay *play) -{ - g_return_val_if_fail (play != NULL, NULL); - g_return_val_if_fail (GST_IS_PLAY (play), NULL); - return g_strdup (play->priv->location); -} - -/** - * gst_play_seek_to_time: - * @play: a #GstPlay. - * @time_nanos: a #gint64 indicating a time position. - * - * Performs a seek on @play until @time_nanos. - */ -gboolean -gst_play_seek_to_time (GstPlay * play, gint64 time_nanos) -{ - GstElement *audio_seek_element, *video_seek_element, *audio_sink_element; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - if (time_nanos < 0LL) - time_nanos = 0LL; - - audio_seek_element = g_hash_table_lookup (play->priv->elements, - "audioconvert"); - audio_sink_element = g_hash_table_lookup (play->priv->elements, - "audio_sink_element"); - video_seek_element = g_hash_table_lookup (play->priv->elements, - "identity"); - - if (GST_IS_ELEMENT (audio_seek_element) && - GST_IS_ELEMENT (video_seek_element) && - GST_IS_ELEMENT (audio_sink_element)) { - gboolean s = FALSE; - - s = gst_element_seek (video_seek_element, GST_FORMAT_TIME | - GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, - time_nanos); - if (!s) { - s = gst_element_seek (audio_seek_element, GST_FORMAT_TIME | - GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH, - time_nanos); - } - - if (s) { - GstFormat format = GST_FORMAT_TIME; - gboolean q = FALSE; - - q = gst_element_query (audio_sink_element, GST_QUERY_POSITION, &format, - &(play->priv->time_nanos)); - - if (q) - g_signal_emit (G_OBJECT (play), gst_play_signals[TIME_TICK], - 0,play->priv->time_nanos); - } - } - - return TRUE; -} - -/** - * gst_play_set_data_src: - * @play: a #GstPlay. - * @data_src: a #GstElement. - * - * Set @data_src as the source element of @play. - * - * Returns: TRUE if call succeeded. - */ -gboolean -gst_play_set_data_src (GstPlay *play, GstElement *data_src) -{ - GstElement *work_thread, *old_data_src, *autoplugger; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - /* We bring back the pipeline to READY */ - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - - /* Getting needed objects */ - work_thread = g_hash_table_lookup (play->priv->elements, "work_thread"); - if (!GST_IS_ELEMENT (work_thread)) - return FALSE; - old_data_src = g_hash_table_lookup (play->priv->elements, "source"); - if (!GST_IS_ELEMENT (old_data_src)) - return FALSE; - autoplugger = g_hash_table_lookup (play->priv->elements, "autoplugger"); - if (!GST_IS_ELEMENT (autoplugger)) - return FALSE; - - /* Unlinking old source from autoplugger, removing it from pipeline, adding - the new one and connecting it to autoplugger FIXME: we should put a new - autoplugger here as spider can autoplugg only once */ - gst_element_unlink (old_data_src, autoplugger); - gst_bin_remove (GST_BIN (work_thread), old_data_src); - gst_bin_add (GST_BIN (work_thread), data_src); - gst_element_link (data_src, autoplugger); - - g_hash_table_replace (play->priv->elements, "source", data_src); - - return TRUE; -} - -/** - * gst_play_set_video_sink: - * @play: a #GstPlay. - * @video_sink: a #GstElement. - * - * Set @video_sink as the video sink element of @play. - * - * Returns: TRUE if call succeeded. - */ -gboolean -gst_play_set_video_sink (GstPlay *play, GstElement *video_sink) -{ - GstElement *video_thread, *old_video_sink, *video_scaler, *video_sink_element; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - g_return_val_if_fail (video_sink != NULL, FALSE); - g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE); - - /* We bring back the pipeline to READY */ - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - - /* Getting needed objects */ - video_thread = g_hash_table_lookup (play->priv->elements, "video_thread"); - if (!GST_IS_ELEMENT (video_thread)) - return FALSE; - old_video_sink = g_hash_table_lookup (play->priv->elements, "video_sink"); - if (!GST_IS_ELEMENT (old_video_sink)) - return FALSE; - video_scaler = g_hash_table_lookup (play->priv->elements, "video_scaler"); - if (!GST_IS_ELEMENT (video_scaler)) - return FALSE; - - /* Unlinking old video sink from video scaler, removing it from pipeline, - adding the new one and linking it */ - gst_element_unlink (video_scaler, old_video_sink); - gst_bin_remove (GST_BIN (video_thread), old_video_sink); - gst_bin_add (GST_BIN (video_thread), video_sink); - gst_element_link (video_scaler, video_sink); - - g_hash_table_replace (play->priv->elements, "video_sink", video_sink); - - video_sink_element = gst_play_get_sink_element (play, video_sink, - GST_PLAY_SINK_TYPE_VIDEO); - if (GST_IS_ELEMENT (video_sink_element)) { - g_hash_table_replace (play->priv->elements, "video_sink_element", - video_sink_element); - if (GST_IS_X_OVERLAY (video_sink_element)) { - g_signal_connect (G_OBJECT (video_sink_element), - "desired_size_changed", - G_CALLBACK (gst_play_have_video_size), play); - } - } - - gst_element_set_state (video_sink, GST_STATE (GST_ELEMENT(play))); - - return TRUE; -} - -/** - * gst_play_set_audio_sink: - * @play: a #GstPlay. - * @audio_sink: a #GstElement. - * - * Set @audio_sink as the audio sink element of @play. - * - * Returns: TRUE if call succeeded. - */ -gboolean -gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink) -{ - GstElement *old_audio_sink, *audio_thread, *audio_queue, *audio_sink_element; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - g_return_val_if_fail (audio_sink != NULL, FALSE); - g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE); - - /* We bring back the pipeline to READY */ - if (GST_STATE (GST_ELEMENT (play)) != GST_STATE_READY) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY); - - /* Getting needed objects */ - old_audio_sink = g_hash_table_lookup (play->priv->elements, "audio_sink"); - if (!GST_IS_ELEMENT (old_audio_sink)) - return FALSE; - audio_thread = g_hash_table_lookup (play->priv->elements, "audio_thread"); - if (!GST_IS_ELEMENT (audio_thread)) - return FALSE; - audio_queue = g_hash_table_lookup (play->priv->elements, "audio_queue"); - if (!GST_IS_ELEMENT (audio_queue)) - return FALSE; - - /* Unlinking old audiosink, removing it from pipeline, putting the new one - and linking it */ - gst_element_unlink (audio_queue, old_audio_sink); - gst_bin_remove (GST_BIN (audio_thread), old_audio_sink); - gst_bin_add (GST_BIN (audio_thread), audio_sink); - gst_element_link (audio_queue, audio_sink); - - g_hash_table_replace (play->priv->elements, "audio_sink", audio_sink); - - audio_sink_element = gst_play_get_sink_element (play, audio_sink, - GST_PLAY_SINK_TYPE_AUDIO); - if (GST_IS_ELEMENT (audio_sink_element)) { - g_hash_table_replace (play->priv->elements, "audio_sink_element", - audio_sink_element); - } - - gst_element_set_state (audio_sink, GST_STATE (GST_ELEMENT(play))); - - return TRUE; -} - -/** - * gst_play_set_visualization: - * @play: a #GstPlay. - * @element: a #GstElement. - * - * Set @video_sink as the video sink element of @play. - * - * Returns: TRUE if call succeeded. - */ -gboolean -gst_play_set_visualization (GstPlay *play, GstElement *vis_element) -{ - GstElement *vis_bin, *vis_queue, *old_vis_element, *vis_cs; - gboolean was_playing = FALSE; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - g_return_val_if_fail (vis_element != NULL, FALSE); - g_return_val_if_fail (GST_IS_ELEMENT (vis_element), FALSE); - - /* Getting needed objects */ - vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin"); - if (!GST_IS_ELEMENT (vis_bin)) - return FALSE; - vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue"); - if (!GST_IS_ELEMENT (vis_queue)) - return FALSE; - old_vis_element = g_hash_table_lookup (play->priv->elements, - "vis_element"); - if (!GST_IS_ELEMENT (old_vis_element)) - return FALSE; - vis_cs = g_hash_table_lookup (play->priv->elements, "vis_cs"); - if (!GST_IS_ELEMENT (vis_cs)) - return FALSE; - - /* We bring back the pipeline to PAUSED */ - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { - gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - was_playing = TRUE; - } - - gst_element_unlink_many (vis_queue, old_vis_element, vis_cs, NULL); - gst_bin_remove (GST_BIN (vis_bin), old_vis_element); - gst_bin_add (GST_BIN (vis_bin), vis_element); - gst_element_link_many (vis_queue, vis_element, vis_cs, NULL); - - g_hash_table_replace (play->priv->elements, "vis_element", vis_element); - - if (was_playing) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - - return TRUE; -} - -/** - * gst_play_connect_visualization: - * @play: a #GstPlay. - * @connect: a #gboolean indicating wether or not - * visualization should be connected. - * - * Connect or disconnect visualization bin in @play. - * - * Returns: TRUE if call succeeded. - */ -gboolean -gst_play_connect_visualization (GstPlay * play, gboolean connect) -{ - GstElement *video_thread, *vis_queue, *vis_bin, *video_switch, *identity; - GstPad *tee_pad1, *vis_queue_pad, *vis_bin_pad, *switch_pad; - gboolean was_playing = FALSE; - - g_return_val_if_fail (play != NULL, FALSE); - g_return_val_if_fail (GST_IS_PLAY (play), FALSE); - - /* Getting needed objects */ - video_thread = g_hash_table_lookup (play->priv->elements, "video_thread"); - if (!GST_IS_ELEMENT (video_thread)) - return FALSE; - vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin"); - if (!GST_IS_ELEMENT (vis_bin)) - return FALSE; - vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue"); - if (!GST_IS_ELEMENT (vis_queue)) - return FALSE; - video_switch = g_hash_table_lookup (play->priv->elements, "video_switch"); - if (!GST_IS_ELEMENT (video_switch)) - return FALSE; - identity = g_hash_table_lookup (play->priv->elements, "identity"); - if (!GST_IS_ELEMENT (identity)) - return FALSE; - tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1"); - if (!GST_IS_PAD (tee_pad1)) - return FALSE; - - vis_queue_pad = gst_element_get_pad (vis_queue, "sink"); - - /* Check if the vis element is in the pipeline. That means visualization is - connected already */ - if (gst_element_get_managing_bin (vis_bin)) { - - /* If we are supposed to connect then nothing to do we return */ - if (connect) { - return TRUE; - } - - /* Disconnecting visualization */ - - /* We bring back the pipeline to PAUSED */ - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { - gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - was_playing = TRUE; - } - - /* Unlinking, removing */ - gst_pad_unlink (tee_pad1, vis_queue_pad); - vis_bin_pad = gst_element_get_pad (vis_bin, "src"); - switch_pad = gst_pad_get_peer (vis_bin_pad); - gst_pad_unlink (vis_bin_pad, switch_pad); - gst_element_release_request_pad (video_switch, switch_pad); - gst_object_ref (GST_OBJECT (vis_bin)); - gst_bin_remove (GST_BIN (video_thread), vis_bin); - } - else { - - /* If we are supposed to disconnect then nothing to do we return */ - if (!connect) { - return TRUE; - } - - /* Connecting visualization */ - - /* We bring back the pipeline to PAUSED */ - if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) { - gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED); - was_playing = TRUE; - } - - /* Adding, linking */ - play->priv->handoff_hid = g_signal_connect (G_OBJECT (identity), - "handoff", - G_CALLBACK (gst_play_identity_handoff), play); - gst_bin_add (GST_BIN (video_thread), vis_bin); - gst_pad_link (tee_pad1, vis_queue_pad); - gst_element_link (vis_bin, video_switch); - } - - if (was_playing) - gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING); - - return TRUE; -} - -/** - * gst_play_get_sink_element: - * @play: a #GstPlay. - * @element: a #GstElement. - * @sink_type: a #GstPlaySinkType. - * - * Searches recursively for a sink #GstElement with - * type @sink_type in @element which is supposed to be a #GstBin. - * - * Returns: the sink #GstElement of @element. - */ -GstElement * -gst_play_get_sink_element (GstPlay *play, - GstElement *element, GstPlaySinkType sink_type) -{ - GList *elements = NULL; - const GList *pads = NULL; - gboolean has_src, has_correct_type; - - g_return_val_if_fail (play != NULL, NULL); - g_return_val_if_fail (element != NULL, NULL); - g_return_val_if_fail (GST_IS_PLAY (play), NULL); - g_return_val_if_fail (GST_IS_ELEMENT (element), NULL); - - if (!GST_IS_BIN (element)) { - /* since its not a bin, we'll presume this - * element is a sink element */ - return element; - } - - elements = (GList *) gst_bin_get_list (GST_BIN (element)); - - /* traverse all elements looking for a src pad */ - - while (elements) { - element = GST_ELEMENT (elements->data); - - /* Recursivity :) */ - - if (GST_IS_BIN (element)) { - element = gst_play_get_sink_element (play, element, sink_type); - if (GST_IS_ELEMENT (element)) - return element; - } - else { - pads = gst_element_get_pad_list (element); - has_src = FALSE; - has_correct_type = FALSE; - while (pads) { - /* check for src pad */ - if (GST_PAD_DIRECTION (GST_PAD (pads->data)) == GST_PAD_SRC) { - has_src = TRUE; - break; - } - else { - /* If not a src pad checking caps */ - GstCaps *caps; - GstStructure *structure; - gboolean has_video_cap = FALSE; - gboolean has_audio_cap = FALSE; - - caps = gst_pad_get_caps (GST_PAD (pads->data)); - structure = gst_caps_get_structure (caps, 0); - - if (strcmp (gst_structure_get_name (structure), - "audio/x-raw-int") == 0) { - has_audio_cap = TRUE; - } - - if (strcmp (gst_structure_get_name (structure), - "video/x-raw-yuv") == 0 || - strcmp (gst_structure_get_name (structure), - "video/x-raw-rgb") == 0) { - has_video_cap = TRUE; - } - - gst_caps_free (caps); - - switch (sink_type) { - case GST_PLAY_SINK_TYPE_AUDIO: - if (has_audio_cap) - has_correct_type = TRUE; - break;; - case GST_PLAY_SINK_TYPE_VIDEO: - if (has_video_cap) - has_correct_type = TRUE; - break;; - case GST_PLAY_SINK_TYPE_ANY: - if ((has_video_cap) || (has_audio_cap)) - has_correct_type = TRUE; - break;; - default: - has_correct_type = FALSE; - } - } - - pads = g_list_next (pads); - - } - - if ((!has_src) && (has_correct_type)) - return element; - } - - elements = g_list_next (elements); - } - - /* we didn't find a sink element */ - - return NULL; -} - -GstPlay * -gst_play_new (void) -{ - GstPlay *play = g_object_new (GST_TYPE_PLAY, NULL); - - return play; -} - -/* =========================================== */ -/* */ -/* Object typing & Creation */ -/* */ -/* =========================================== */ - -GType -gst_play_get_type (void) -{ - static GType play_type = 0; - - if (!play_type) { - static const GTypeInfo play_info = { - sizeof (GstPlayClass), - NULL, - NULL, - (GClassInitFunc) gst_play_class_init, - NULL, - NULL, - sizeof (GstPlay), - 0, - (GInstanceInitFunc) gst_play_init, - NULL - }; - - play_type = g_type_register_static (GST_TYPE_PIPELINE, "GstPlay", - &play_info, 0); - } - - return play_type; -} diff --git a/gst-libs/gst/play/gstplay.h b/gst-libs/gst/play/gstplay.h deleted file mode 100644 index 484b7bc0..00000000 --- a/gst-libs/gst/play/gstplay.h +++ /dev/null @@ -1,90 +0,0 @@ -/* 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. - */ - -#ifndef __GST_PLAY_H__ -#define __GST_PLAY_H__ - -#include <gst/gst.h> -#include <gst/xoverlay/xoverlay.h> - -#define GST_TYPE_PLAY (gst_play_get_type()) -#define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay)) -#define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass)) -#define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY)) -#define GST_IS_PLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY)) -#define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PLAY, GstPlayClass)) - -typedef enum -{ - GST_PLAY_SINK_TYPE_AUDIO, - GST_PLAY_SINK_TYPE_VIDEO, - GST_PLAY_SINK_TYPE_ANY, -} GstPlaySinkType; - -typedef struct _GstPlay GstPlay; -typedef struct _GstPlayClass GstPlayClass; -typedef struct _GstPlayPrivate GstPlayPrivate; - -struct _GstPlay -{ - GstPipeline pipeline; - - GstPlayPrivate *priv; - - gpointer _gst_reserved[GST_PADDING]; -}; - -struct _GstPlayClass -{ - GstPipelineClass parent_class; - - void (*time_tick) (GstPlay *play, gint64 time_nanos); - void (*stream_length) (GstPlay *play, gint64 length_nanos); - void (*have_video_size) (GstPlay *play, gint width, gint height); - - gpointer _gst_reserved[GST_PADDING]; -}; - -GType gst_play_get_type (void); -GstPlay * gst_play_new (void); - -gboolean gst_play_set_data_src (GstPlay *play, - GstElement *data_src); -gboolean gst_play_set_video_sink (GstPlay *play, - GstElement *video_sink); -gboolean gst_play_set_audio_sink (GstPlay *play, - GstElement *audio_sink); - -gboolean gst_play_set_visualization (GstPlay *play, - GstElement *element); -gboolean gst_play_connect_visualization (GstPlay *play, - gboolean connect); - -gboolean gst_play_set_location (GstPlay *play, - const char *location); -char * gst_play_get_location (GstPlay *play); - -gboolean gst_play_seek_to_time (GstPlay *play, - gint64 time_nanos); - -GstElement * gst_play_get_sink_element (GstPlay *play, - GstElement *element, - GstPlaySinkType sink_type); - -#endif /* __GST_PLAY_H__ */ diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c index 35f6d5cc..6d5f7051 100644 --- a/gst-libs/gst/play/play.c +++ b/gst-libs/gst/play/play.c @@ -22,7 +22,7 @@ #endif #include <string.h> -#include "gstplay.h" +#include "play.h" enum { |