gstreamer/examples/c/play_timeline_with_one_clip.c

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/* This example can be found in the GStreamer Editing Services git repository in:
* examples/c/play_timeline_with_one_clip.c
*/
#include <ges/ges.h>
int
main (int argc, char **argv)
{
GESLayer *layer;
GESTimeline *timeline;
if (argc == 1) {
g_printerr ("Usage: play_timeline_with_one_clip file:///clip/uri\n");
return 1;
}
gst_init (NULL, NULL);
ges_init ();
timeline = ges_timeline_new_audio_video ();
layer = ges_timeline_append_layer (timeline);
{
/* Add a clip with a duration of 5 seconds */
GESClip *clip = GES_CLIP (ges_uri_clip_new (argv[1]));
if (clip == NULL) {
g_printerr ("%s can not be used, make sure it is a supported media file",
argv[1]);
return 1;
}
g_object_set (clip, "duration", 5 * GST_SECOND, "start", 0, NULL);
ges_layer_add_clip (layer, clip);
}
/* Commiting the timeline is always necessary for changes
* inside it to be taken into account by the Non Linear Engine */
ges_timeline_commit (timeline);
{
/* Play the timeline */
GESPipeline *pipeline = ges_pipeline_new ();
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
ges_pipeline_set_timeline (pipeline, timeline);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* Simple way to just play the pipeline until EOS or an error pops on the bus */
gst_bus_timed_pop_filtered (bus, 10 * GST_SECOND,
GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
gst_object_unref (bus);
gst_object_unref (pipeline);
}
return 0;
}