static gboolean
_load (GESFormatter * self, GESTimeline * timeline, const gchar * string,
GError ** error)
{
guint i;
GList *tmp;
GError *err;
GESStructureParser *parser = _parse_structures (string);
err = ges_structure_parser_get_error (parser);
if (err) {
if (error)
*error = err;
return FALSE;
}
g_object_set (timeline, "auto-transition", TRUE, NULL);
if (!(ges_timeline_add_track (timeline, GES_TRACK (ges_video_track_new ()))))
goto fail;
if (!(ges_timeline_add_track (timeline, GES_TRACK (ges_audio_track_new ()))))
goto fail;
/* Here we've finished initializing our timeline, we're
* ready to start using it... by solely working with the layer !*/
for (tmp = parser->structures; tmp; tmp = tmp->next) {
const gchar *name = gst_structure_get_name (tmp->data);
if (g_str_has_prefix (name, "set-")) {
EXEC (_set_child_property, tmp->data, &err);
continue;
}
for (i = 0; i < G_N_ELEMENTS (timeline_parsing_options); i++) {
if (gst_structure_has_name (tmp->data,
timeline_parsing_options[i].long_name)
|| (strlen (name) == 1 &&
*name == timeline_parsing_options[i].short_name)) {
EXEC (((ActionFromStructureFunc) timeline_parsing_options[i].arg_data),
tmp->data, &err);
}
}
}
gst_object_unref (parser);
return TRUE;
fail:
gst_object_unref (parser);
if (err) {
if (error)
*error = err;
}
return FALSE;
}
GESTimeline *
ges_timeline_new_audio_video (void)
{
GESTrack *tracka, *trackv;
GESTimeline *timeline;
/* This is our main GESTimeline */
timeline = ges_timeline_new ();
tracka = GES_TRACK (ges_audio_track_new ());
trackv = GES_TRACK (ges_video_track_new ());
if (!ges_timeline_add_track (timeline, trackv) ||
!ges_timeline_add_track (timeline, tracka)) {
gst_object_unref (timeline);
timeline = NULL;
}
return timeline;
}
static gboolean
create_tracks (GESFormatter * self)
{
GESPitiviFormatterPrivate *priv = GES_PITIVI_FORMATTER (self)->priv;
GList *tracks = NULL;
tracks = ges_timeline_get_tracks (self->timeline);
GST_DEBUG ("Creating tracks, current number of tracks %d",
g_list_length (tracks));
if (tracks) {
GList *tmp = NULL;
GESTrack *track;
for (tmp = tracks; tmp; tmp = tmp->next) {
track = tmp->data;
if (track->type == GES_TRACK_TYPE_AUDIO) {
priv->tracka = track;
} else {
priv->trackv = track;
}
}
g_list_foreach (tracks, (GFunc) gst_object_unref, NULL);
g_list_free (tracks);
return TRUE;
}
priv->tracka = GES_TRACK (ges_audio_track_new ());
priv->trackv = GES_TRACK (ges_video_track_new ());
if (!ges_timeline_add_track (self->timeline, priv->trackv)) {
return FALSE;
}
if (!ges_timeline_add_track (self->timeline, priv->tracka)) {
return FALSE;
}
return TRUE;
}
GESTimeline *
volumeTestTL (void)
{
GESTimeline *timeline;
GESTrack *tracka;
timeline = ges_timeline_new ();
tracka = GES_TRACK (ges_audio_track_new ());
if (!ges_timeline_add_track (timeline, tracka)) {
gst_object_unref (timeline);
timeline = NULL;
}
GESLayer *layer1 = ges_layer_new ();
GESLayer *layer2 = ges_layer_new ();
ges_timeline_add_layer (timeline, layer1);
ges_timeline_add_layer (timeline, layer2);
g_object_set (layer1, "priority", 0, NULL);
g_object_set (layer2, "priority", 1, NULL);
GESClip *music1 =
ges_clip_from_rel_path ("audio/02_Oliver_Huntemann_-_Rikarda.flac",
layer1, 0, 0, 10,
GES_TRACK_TYPE_AUDIO);
ges_clip_from_rel_path ("audio/prof.ogg", layer2, 0, 0, 10,
GES_TRACK_TYPE_AUDIO);
GESTrackElement *elem =
ges_clip_find_track_element (music1, tracka, G_TYPE_NONE);
ges_track_element_set_child_properties (elem, "volume", 2.1, NULL);
ges_timeline_commit (timeline);
return timeline;
}
GESPipeline *
make_timeline (char *path, float duration, char *text, guint32 color,
gdouble xpos, gdouble ypos)
{
GESTimeline *timeline;
GESTrack *trackv, *tracka;
GESLayer *layer1;
GESClip *srca;
GESClip *overlay;
GESPipeline *pipeline;
guint64 aduration;
pipeline = ges_pipeline_new ();
ges_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
timeline = ges_timeline_new ();
ges_pipeline_add_timeline (pipeline, timeline);
trackv = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, trackv);
tracka = GES_TRACK (ges_audio_track_new ());
ges_timeline_add_track (timeline, tracka);
layer1 = GES_LAYER (ges_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_layer_add_clip (layer1, srca);
ges_layer_add_clip (layer1, overlay);
return pipeline;
}
static GESPipeline *
create_timeline (void)
{
GESPipeline *pipeline;
GESLayer *layer;
GESTrack *tracka, *trackv;
GESTimeline *timeline;
GESClip *src;
timeline = ges_timeline_new ();
tracka = GES_TRACK (ges_audio_track_new ());
trackv = GES_TRACK (ges_video_track_new ());
layer = (GESLayer *) ges_simple_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_CLIP (ges_test_clip_new ());
g_object_set (src,
"vpattern", GES_VIDEO_TEST_PATTERN_SNOW,
"duration", 10 * GST_SECOND, NULL);
ges_simple_layer_add_object ((GESSimpleLayer *) layer, GES_CLIP (src), 0);
pipeline = ges_pipeline_new ();
if (!ges_pipeline_add_timeline (pipeline, timeline))
return NULL;
return pipeline;
}
int
main (int argc, gchar ** argv)
{
GError *err = NULL;
GOptionContext *ctx;
GESPipeline *pipeline;
GESTimeline *timeline;
GESTrack *tracka, *trackv;
GESLayer *layer1, *layer2;
GESUriClip *src;
GMainLoop *mainloop;
gint inpoint = 0, duration = 10;
gboolean mute = FALSE;
gchar *audiofile = NULL;
GOptionEntry options[] = {
{"inpoint", 'i', 0, G_OPTION_ARG_INT, &inpoint,
"in-point in the file (in seconds, default:0s)", "seconds"},
{"duration", 'd', 0, G_OPTION_ARG_INT, &duration,
"duration to use from the file (in seconds, default:10s)", "seconds"},
{"mute", 'm', 0, G_OPTION_ARG_NONE, &mute,
"Whether to mute the audio from the file",},
{"audiofile", 'a', 0, G_OPTION_ARG_FILENAME, &audiofile,
"Use this audiofile instead of the original audio from the file",
"audiofile"},
{NULL}
};
ctx =
g_option_context_new
("- Plays an video file with sound (origin/muted/replaced)");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing %s\n", err->message);
exit (1);
}
if (argc == 1) {
g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
exit (0);
}
g_option_context_free (ctx);
ges_init ();
/* Create an Audio/Video pipeline with two layers */
pipeline = ges_pipeline_new ();
timeline = ges_timeline_new ();
tracka = GES_TRACK (ges_audio_track_new ());
trackv = GES_TRACK (ges_video_track_new ());
layer1 = ges_layer_new ();
layer2 = ges_layer_new ();
g_object_set (layer2, "priority", 1, NULL);
if (!ges_timeline_add_layer (timeline, layer1) ||
!ges_timeline_add_layer (timeline, layer2) ||
!ges_timeline_add_track (timeline, tracka) ||
!ges_timeline_add_track (timeline, trackv) ||
!ges_pipeline_set_timeline (pipeline, timeline))
return -1;
if (1) {
gchar *uri = gst_filename_to_uri (argv[1], NULL);
/* Add the main audio/video file */
src = ges_uri_clip_new (uri);
g_free (uri);
g_object_set (src, "start", 0, "in-point", inpoint * GST_SECOND,
"duration", duration * GST_SECOND, "mute", mute, NULL);
ges_layer_add_clip (layer1, GES_CLIP (src));
}
/* Play the pipeline */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
mainloop = g_main_loop_new (NULL, FALSE);
g_timeout_add_seconds (duration + 1, (GSourceFunc) g_main_loop_quit,
mainloop);
g_main_loop_run (mainloop);
return 0;
}
int
main (int argc, gchar ** argv)
{
GESPipeline *pipeline;
GESTimeline *timeline;
GESTrack *tracka;
GESLayer *layer;
GMainLoop *mainloop;
GstClockTime offset = 0;
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 (ges_audio_track_new ());
/* We are only going to be doing one layer of clips */
layer = ges_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++, offset += GST_SECOND) {
gchar *uri = gst_filename_to_uri (argv[i], NULL);
GESUriClip *src = ges_uri_clip_new (uri);
g_assert (src);
g_free (uri);
g_object_set (src, "start", offset, "duration", GST_SECOND, NULL);
ges_layer_add_clip (layer, (GESClip *) src);
}
/* In order to listen our timeline, let's grab a convenience pipeline to put
* our timeline in. */
pipeline = ges_pipeline_new ();
/* Add the timeline to that pipeline */
if (!ges_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;
}
