static GESTimelinePipeline *
create_pipeline (gchar * load_path, gchar * save_path, int argc, char **argv,
gchar * audio, gchar * video)
{
GESTimelinePipeline *pipeline = NULL;
GESTimeline *timeline = NULL;
/* Timeline creation */
if (load_path) {
gchar *uri;
g_printf ("Loading project from : %s\n", load_path);
if (!(uri = ensure_uri (load_path))) {
g_error ("couldn't create uri for '%s'", load_path);
goto failure;
}
g_printf ("reading from '%s' (arguments ignored)\n", load_path);
if (!(timeline = ges_timeline_new_from_uri (uri))) {
g_error ("failed to create timeline from file '%s'", load_path);
goto failure;
}
g_printf ("loaded project successfully\n");
g_free (uri);
} else
/* Normal timeline creation */
if (!(timeline = create_timeline (argc, argv, audio, video)))
goto failure;
/* save project if path is given. we do this now in case GES crashes or
* hangs during playback. */
if (save_path) {
gchar *uri;
if (!(uri = ensure_uri (save_path))) {
g_error ("couldn't create uri for '%s", save_path);
goto failure;
}
ges_timeline_save_to_uri (timeline, uri);
g_free (uri);
}
/* In order to view our timeline, let's grab a convenience pipeline to put
* our timeline in. */
pipeline = ges_timeline_pipeline_new ();
/* Add the timeline to that pipeline */
if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
goto failure;
return pipeline;
failure:
{
if (timeline)
g_object_unref (timeline);
if (pipeline)
g_object_unref (pipeline);
return NULL;
}
}
QDeclarativeVideoEditor::QDeclarativeVideoEditor(QObject *parent) :
QAbstractListModel(parent), m_position(0), m_positionTimer(this), m_rendering(false), m_size(0),
m_width(0), m_height(0), m_fpsn(0), m_fpsd(0)
{
QHash<int, QByteArray> roles;
roles.insert( 33 , "uri" );
roles.insert( 34 , "fileName" );
roles.insert( 35 , "inPoint" );
roles.insert( 36 , "duration" );
setRoleNames(roles);
connect(&m_positionTimer, SIGNAL(timeout()), SLOT(updatePosition()));
m_timeline = ges_timeline_new_audio_video();
m_timelineLayer = (GESTimelineLayer*) ges_simple_timeline_layer_new();
ges_timeline_add_layer(m_timeline, m_timelineLayer);
m_pipeline = ges_timeline_pipeline_new();
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_pipeline));
gst_bus_add_watch (bus, bus_call, this);
gst_object_unref (bus);
/*
* gst-dsp encoders seems to not proxy downstream caps correctly, this can make
* GES fail to render some projects. We override the default getcaps on our own
*/
g_signal_connect(m_pipeline, "element-added", (GCallback) gstcapstricks_pipeline_element_added, NULL);
ges_timeline_pipeline_add_timeline (m_pipeline, m_timeline);
m_vsink = gst_element_factory_make ("omapxvsink", "previewvsink");
ges_timeline_pipeline_preview_set_video_sink (m_pipeline, m_vsink);
gst_x_overlay_set_render_rectangle (GST_X_OVERLAY (m_vsink),
171, 0,
512, 288);
ges_timeline_pipeline_set_mode (m_pipeline, TIMELINE_MODE_PREVIEW);
gst_element_set_state ((GstElement*) m_pipeline, GST_STATE_PAUSED);
m_duration = GST_CLOCK_TIME_NONE;
m_progress = 0.0;
}
GESTimelinePipeline *
make_timeline (char *path, float duration, char *text, guint32 color,
gdouble xpos, gdouble ypos)
{
GESTimeline *timeline;
GESTrack *trackv, *tracka;
GESTimelineLayer *layer1;
GESTimelineObject *srca;
GESTimelineObject *overlay;
GESTimelinePipeline *pipeline;
guint64 aduration;
pipeline = ges_timeline_pipeline_new ();
ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
timeline = ges_timeline_new ();
ges_timeline_pipeline_add_timeline (pipeline, timeline);
trackv = ges_track_video_raw_new ();
ges_timeline_add_track (timeline, trackv);
tracka = ges_track_audio_raw_new ();
ges_timeline_add_track (timeline, tracka);
layer1 = GES_TIMELINE_LAYER (ges_timeline_layer_new ());
g_object_set (layer1, "priority", (gint32) 0, NULL);
if (!ges_timeline_add_layer (timeline, layer1))
exit (-1);
aduration = (guint64) (duration * GST_SECOND);
srca = make_source (path, 0, aduration, 1);
overlay = make_overlay (text, 0, aduration, 0, color, xpos, ypos);
ges_timeline_layer_add_object (layer1, srca);
ges_timeline_layer_add_object (layer1, overlay);
return pipeline;
}
static GESTimelinePipeline *
create_timeline (void)
{
GESTimelinePipeline *pipeline;
GESTimelineLayer *layer;
GESTrack *tracka, *trackv;
GESTimeline *timeline;
GESTimelineObject *src;
timeline = ges_timeline_new ();
tracka = ges_track_audio_raw_new ();
trackv = ges_track_video_raw_new ();
layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
/* Add the tracks and the layer to the timeline */
if (!ges_timeline_add_layer (timeline, layer) ||
!ges_timeline_add_track (timeline, tracka) ||
!ges_timeline_add_track (timeline, trackv))
return NULL;
/* Add the main audio/video file */
src = GES_TIMELINE_OBJECT (ges_timeline_test_source_new ());
g_object_set (src,
"vpattern", GES_VIDEO_TEST_PATTERN_SNOW,
"duration", 10 * GST_SECOND, NULL);
ges_simple_timeline_layer_add_object ((GESSimpleTimelineLayer *) layer,
GES_TIMELINE_OBJECT (src), 0);
pipeline = ges_timeline_pipeline_new ();
if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
return NULL;
return pipeline;
}
void
load_project (gchar * uri)
{
GESFormatter *formatter;
GESTimeline *timeline;
GMainLoop *mainloop;
GESTimelinePipeline *pipeline;
GstBus *bus;
formatter = GES_FORMATTER (ges_pitivi_formatter_new ());
timeline = ges_timeline_new ();
pipeline = ges_timeline_pipeline_new ();
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
mainloop = g_main_loop_new (NULL, FALSE);
ges_timeline_pipeline_add_timeline (pipeline, timeline);
ges_formatter_load_from_uri (formatter, timeline, uri);
ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), mainloop);
g_main_loop_run (mainloop);
}
int
main (int argc, gchar ** argv)
{
GESTimelinePipeline *pipeline;
GESTimeline *timeline;
GESTrack *tracka;
GESTimelineLayer *layer;
GMainLoop *mainloop;
guint i;
if (argc < 2) {
g_print ("Usage: %s <list of audio files>\n", argv[0]);
return -1;
}
/* Initialize GStreamer (this will parse environment variables and commandline
* arguments. */
gst_init (&argc, &argv);
/* Initialize the GStreamer Editing Services */
ges_init ();
/* Setup of an audio timeline */
/* This is our main GESTimeline */
timeline = ges_timeline_new ();
tracka = ges_track_audio_raw_new ();
/* We are only going to be doing one layer of timeline objects */
layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
/* Add the tracks and the layer to the timeline */
if (!ges_timeline_add_layer (timeline, layer))
return -1;
if (!ges_timeline_add_track (timeline, tracka))
return -1;
/* Here we've finished initializing our timeline, we're
* ready to start using it... by solely working with the layer ! */
for (i = 1; i < argc; i++) {
gchar *uri = gst_filename_to_uri (argv[i], NULL);
GESTimelineFileSource *src = ges_timeline_filesource_new (uri);
g_assert (src);
g_free (uri);
g_object_set (src, "duration", GST_SECOND, NULL);
/* Since we're using a GESSimpleTimelineLayer, objects will be automatically
* appended to the end of the layer */
ges_timeline_layer_add_object (layer, (GESTimelineObject *) src);
}
/* In order to view our timeline, let's grab a convenience pipeline to put
* our timeline in. */
pipeline = ges_timeline_pipeline_new ();
/* Add the timeline to that pipeline */
if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
return -1;
/* The following is standard usage of a GStreamer pipeline (note how you haven't
* had to care about GStreamer so far ?).
*
* We set the pipeline to playing ... */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* .. and we start a GMainLoop. GES **REQUIRES** a GMainLoop to be running in
* order to function properly ! */
mainloop = g_main_loop_new (NULL, FALSE);
/* Simple code to have the mainloop shutdown after 4s */
g_timeout_add_seconds (argc - 1, (GSourceFunc) g_main_loop_quit, mainloop);
g_main_loop_run (mainloop);
return 0;
}
/* A simple timeline with 3 audio/video sources */
int
main (int argc, gchar ** argv)
{
GESAsset *src_asset;
GESTimelinePipeline *pipeline;
GESTimeline *timeline;
GESClip *source;
GESTimelineLayer *layer;
GMainLoop *mainloop;
/* Initialize GStreamer (this will parse environment variables and commandline
* arguments. */
gst_init (&argc, &argv);
/* Initialize the GStreamer Editing Services */
ges_init ();
/* Setup of a A/V timeline */
/* This is our main GESTimeline */
timeline = ges_timeline_new_audio_video ();
/* We are only going to be doing one layer of clips */
layer = ges_timeline_layer_new ();
/* Add the tracks and the layer to the timeline */
if (!ges_timeline_add_layer (timeline, layer))
return -1;
/* We create a simple asset able to extract GESTestClip */
src_asset = ges_asset_request (GES_TYPE_TEST_CLIP, NULL, NULL);
/* Add sources to our layer */
ges_timeline_layer_add_asset (layer, src_asset, 0, 0, GST_SECOND, 1,
GES_TRACK_TYPE_UNKNOWN);
source = ges_timeline_layer_add_asset (layer, src_asset, GST_SECOND, 0,
GST_SECOND, 1, GES_TRACK_TYPE_UNKNOWN);
g_object_set (source, "freq", 480.0, "vpattern", 2, NULL);
ges_timeline_layer_add_asset (layer, src_asset, 2 * GST_SECOND, 0,
GST_SECOND, 1, GES_TRACK_TYPE_UNKNOWN);
/* In order to view our timeline, let's grab a convenience pipeline to put
* our timeline in. */
pipeline = ges_timeline_pipeline_new ();
/* Add the timeline to that pipeline */
if (!ges_timeline_pipeline_add_timeline (pipeline, timeline))
return -1;
/* The following is standard usage of a GStreamer pipeline (note how you haven't
* had to care about GStreamer so far ?).
*
* We set the pipeline to playing ... */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* .. and we start a GMainLoop. GES **REQUIRES** a GMainLoop to be running in
* order to function properly ! */
mainloop = g_main_loop_new (NULL, FALSE);
/* Simple code to have the mainloop shutdown after 4s */
g_timeout_add_seconds (4, (GSourceFunc) g_main_loop_quit, mainloop);
g_main_loop_run (mainloop);
return 0;
}
