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 *
positionTestTL (void)
{
GESTimeline *timeline;
GESTrack *trackv;
GError **error = NULL;
GESAsset *asset;
GESClip *clip;
timeline = ges_timeline_new ();
trackv = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, trackv);
GESLayer *layer = ges_layer_new ();
ges_timeline_add_layer (timeline, layer);
asset =
GES_ASSET (ges_uri_clip_asset_request_sync (ges_renderer_get_absolute_path
("image/wallpaper720p.jpg"), error));
clip =
ges_layer_add_asset (layer, asset, 0, 0, 2 * GST_SECOND,
GES_TRACK_TYPE_VIDEO);
GESTrackElement *elem =
ges_clip_find_track_element (clip, trackv, G_TYPE_NONE);
ges_track_element_set_child_properties (elem, "posx", 100, "width", 100,
NULL);
ges_timeline_commit (timeline);
return timeline;
}
/**
* ges_audio_track_new:
*
* Creates a new #GESAudioTrack of type #GES_TRACK_TYPE_AUDIO and with generic
* raw audio caps ("audio/x-raw");
*
* Returns: (transfer floating): A new #GESTrack
*/
GESAudioTrack *
ges_audio_track_new (void)
{
GESAudioTrack *ret;
GstCaps *caps = gst_caps_from_string (DEFAULT_CAPS);
GstCaps *restriction_caps = gst_caps_from_string (DEFAULT_RESTRICTION_CAPS);
ret = g_object_new (GES_TYPE_AUDIO_TRACK, "caps", caps,
"track-type", GES_TRACK_TYPE_AUDIO, NULL);
ges_track_set_create_element_for_gap_func (GES_TRACK (ret),
create_element_for_raw_audio_gap);
ges_track_set_restriction_caps (GES_TRACK (ret), restriction_caps);
gst_caps_unref (caps);
gst_caps_unref (restriction_caps);
return ret;
}
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 *
compTL (void)
{
GESTimeline *timeline;
GESTrack *trackv;
timeline = ges_timeline_new ();
trackv = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, trackv);
const gchar *assets[] = { "image/vieh.png",
"image/PNG_transparency_demonstration_1.png",
"image/Ice_Cream.png",
"image/Fish.png"
};
guint asset_count = 4;
for (int i = 1; i <= asset_count; i++) {
GESLayer *layer = ges_layer_new ();
ges_timeline_add_layer (timeline, layer);
g_object_set (layer, "priority", i - 1, NULL);
GESClip *vieh = ges_clip_from_rel_path (assets[i - 1], layer, 0, 0, 10,
GES_TRACK_TYPE_VIDEO);
GESTrackElement *elem =
ges_clip_find_track_element (vieh, trackv, G_TYPE_NONE);
GESUriClipAsset *asset =
GES_URI_CLIP_ASSET (ges_extractable_get_asset (GES_EXTRACTABLE (vieh)));
guint width = ges_asset_get_width (asset);
guint height = ges_asset_get_height (asset);
g_print ("%s: %dx%d\n", assets[i - 1], width, height);
ges_track_element_set_child_properties (elem,
"posx", i * 100, "posy", i * 100,
"width", i * 100 * width / height, "height", (i * 100) - 1, NULL);
}
GESLayer *backgroud_layer = ges_layer_new ();
ges_timeline_add_layer (timeline, backgroud_layer);
g_object_set (backgroud_layer, "priority", asset_count, NULL);
ges_clip_from_rel_path ("image/wallpaper-2597248.jpg", backgroud_layer, 0, 0,
10, GES_TRACK_TYPE_VIDEO);
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;
}
static void
ges_track_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESTrack *track = GES_TRACK (object);
switch (property_id) {
case ARG_CAPS:
ges_track_set_caps (track, gst_value_get_caps (value));
break;
case ARG_TYPE:
track->type = g_value_get_flags (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
asset_created_cb (GObject * source, GAsyncResult * res, gpointer udata)
{
GList *tracks, *tmp;
GESAsset *asset;
GESLayer *layer;
GESUriClip *tlfs;
GError *error = NULL;
asset = ges_asset_request_finish (res, &error);
ASSERT_OBJECT_REFCOUNT (asset, "1 for us + for the cache + 1 taken "
"by g_simple_async_result_complete_in_idle", 3);
fail_unless (error == NULL);
fail_if (asset == NULL);
fail_if (g_strcmp0 (ges_asset_get_id (asset), av_uri));
layer = GES_LAYER (g_async_result_get_user_data (res));
tlfs = GES_URI_CLIP (ges_layer_add_asset (layer,
asset, 0, 0, GST_CLOCK_TIME_NONE, GES_TRACK_TYPE_UNKNOWN));
fail_unless (GES_IS_URI_CLIP (tlfs));
fail_if (g_strcmp0 (ges_uri_clip_get_uri (tlfs), av_uri));
assert_equals_uint64 (_DURATION (tlfs), GST_SECOND);
fail_unless (ges_clip_get_supported_formats
(GES_CLIP (tlfs)) & GES_TRACK_TYPE_VIDEO);
fail_unless (ges_clip_get_supported_formats
(GES_CLIP (tlfs)) & GES_TRACK_TYPE_AUDIO);
tracks = ges_timeline_get_tracks (ges_layer_get_timeline (layer));
for (tmp = tracks; tmp; tmp = tmp->next) {
GList *trackelements = ges_track_get_elements (GES_TRACK (tmp->data));
assert_equals_int (g_list_length (trackelements), 1);
fail_unless (GES_IS_VIDEO_URI_SOURCE (trackelements->data)
|| GES_IS_AUDIO_URI_SOURCE (trackelements->data));
g_list_free_full (trackelements, gst_object_unref);
}
g_list_free_full (tracks, gst_object_unref);
gst_object_unref (asset);
g_main_loop_quit (mainloop);
}
static void
ges_track_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESTrack *track = GES_TRACK (object);
switch (property_id) {
case ARG_CAPS:
gst_value_set_caps (value, track->priv->caps);
break;
case ARG_TYPE:
g_value_set_flags (value, track->type);
break;
case ARG_DURATION:
g_value_set_uint64 (value, track->priv->duration);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
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;
}
GESTimeline *
alphaTestTL (void)
{
GESTimeline *timeline;
GESTrack *trackv;
timeline = ges_timeline_new ();
trackv = GES_TRACK (ges_video_track_new ());
if (!ges_timeline_add_track (timeline, trackv)) {
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 *png = ges_clip_from_rel_path ("image/Fish.png", layer1, 0, 0, 10,
GES_TRACK_TYPE_VIDEO);
GESTrackElement *elem =
ges_clip_find_track_element (png, trackv, G_TYPE_NONE);
ges_track_element_set_child_properties (elem, "alpha", 0.5, NULL);
ges_clip_from_rel_path ("hd/fluidsimulation.mp4", layer2, 0, 20, 10,
GES_TRACK_TYPE_VIDEO);
ges_timeline_commit (timeline);
return timeline;
}
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;
}
/* A image sequence test */
int
main (int argc, gchar ** argv)
{
GError *err = NULL;
GOptionContext *ctx;
GESPipeline *pipeline;
GESTimeline *timeline;
GESAsset *asset;
GESLayer *layer;
GMainLoop *mainloop;
GESTrack *track;
gint duration = 10;
gchar *filepattern = NULL;
GOptionEntry options[] = {
{"duration", 'd', 0, G_OPTION_ARG_INT, &duration,
"duration to use from the file (in seconds, default:10s)", "seconds"},
{"pattern-url", 'u', 0, G_OPTION_ARG_FILENAME, &filepattern,
"Pattern of the files. i.e. multifile:///foo/%04d.jpg",
"pattern-url"},
{NULL}
};
ctx = g_option_context_new ("- Plays an image sequence");
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 (filepattern == NULL) {
g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
exit (0);
}
g_option_context_free (ctx);
gst_init (&argc, &argv);
ges_init ();
timeline = ges_timeline_new ();
track = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, track);
layer = ges_layer_new ();
if (!ges_timeline_add_layer (timeline, layer))
return -1;
asset = GES_ASSET (ges_uri_clip_asset_request_sync (filepattern, &err));
ges_layer_add_asset (layer, asset, 0, 0, 5 * GST_SECOND,
GES_TRACK_TYPE_VIDEO);
pipeline = ges_pipeline_new ();
if (!ges_pipeline_set_timeline (pipeline, timeline))
return -1;
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
mainloop = g_main_loop_new (NULL, FALSE);
g_timeout_add_seconds (4, (GSourceFunc) g_main_loop_quit, mainloop);
g_main_loop_run (mainloop);
return 0;
}
/**
* ges_pipeline_set_mode:
* @pipeline: a #GESPipeline
* @mode: the #GESPipelineFlags to use
*
* switches the @pipeline to the specified @mode. The default mode when
* creating a #GESPipeline is #GES_PIPELINE_MODE_PREVIEW.
*
* Note: The @pipeline will be set to #GST_STATE_NULL during this call due to
* the internal changes that happen. The caller will therefore have to
* set the @pipeline to the requested state after calling this method.
*
* Returns: %TRUE if the mode was properly set, else %FALSE.
**/
gboolean
ges_pipeline_set_mode (GESPipeline * pipeline, GESPipelineFlags mode)
{
GList *tmp;
g_return_val_if_fail (GES_IS_PIPELINE (pipeline), FALSE);
GST_DEBUG_OBJECT (pipeline, "current mode : %d, mode : %d",
pipeline->priv->mode, mode);
/* fast-path, nothing to change */
if (mode == pipeline->priv->mode)
return TRUE;
/* FIXME: It would be nice if we are only (de)activating preview
* modes to not set the whole pipeline to NULL, but instead just
* do the proper (un)linking to playsink. */
/* Switch pipeline to NULL since we're changing the configuration */
gst_element_set_state (GST_ELEMENT_CAST (pipeline), GST_STATE_NULL);
if (pipeline->priv->timeline) {
gboolean disabled =
! !(mode & (GES_PIPELINE_MODE_RENDER | GES_PIPELINE_MODE_SMART_RENDER));
for (tmp = pipeline->priv->timeline->tracks; tmp; tmp = tmp->next)
track_disable_last_gap (GES_TRACK (tmp->data), disabled);
}
/* remove no-longer needed components */
if (pipeline->priv->mode & GES_PIPELINE_MODE_PREVIEW &&
!(mode & GES_PIPELINE_MODE_PREVIEW)) {
/* Disable playsink */
GST_DEBUG ("Disabling playsink");
gst_object_ref (pipeline->priv->playsink);
gst_bin_remove (GST_BIN_CAST (pipeline), pipeline->priv->playsink);
}
if ((pipeline->priv->mode &
(GES_PIPELINE_MODE_RENDER | GES_PIPELINE_MODE_SMART_RENDER)) &&
!(mode & (GES_PIPELINE_MODE_RENDER | GES_PIPELINE_MODE_SMART_RENDER))) {
GList *tmp;
GstCaps *caps;
for (tmp = pipeline->priv->timeline->tracks; tmp; tmp = tmp->next) {
GESTrackType type = GES_TRACK (tmp->data)->type;
if (type == GES_TRACK_TYPE_AUDIO)
caps = gst_caps_new_empty_simple ("audio/x-raw");
else if (type == GES_TRACK_TYPE_VIDEO)
caps = gst_caps_new_empty_simple ("video/x-raw");
else
continue;
ges_track_set_caps (GES_TRACK (tmp->data), caps);
gst_caps_unref (caps);
}
/* Disable render bin */
GST_DEBUG ("Disabling rendering bin");
gst_object_ref (pipeline->priv->encodebin);
gst_object_ref (pipeline->priv->urisink);
gst_bin_remove_many (GST_BIN_CAST (pipeline),
pipeline->priv->encodebin, pipeline->priv->urisink, NULL);
}
/* Add new elements */
if (!(pipeline->priv->mode & GES_PIPELINE_MODE_PREVIEW) &&
(mode & GES_PIPELINE_MODE_PREVIEW)) {
/* Add playsink */
GST_DEBUG ("Adding playsink");
if (!gst_bin_add (GST_BIN_CAST (pipeline), pipeline->priv->playsink)) {
GST_ERROR_OBJECT (pipeline, "Couldn't add playsink");
return FALSE;
}
}
if (!(pipeline->priv->mode &
(GES_PIPELINE_MODE_RENDER | GES_PIPELINE_MODE_SMART_RENDER)) &&
(mode & (GES_PIPELINE_MODE_RENDER | GES_PIPELINE_MODE_SMART_RENDER))) {
/* Adding render bin */
GST_DEBUG ("Adding render bin");
if (G_UNLIKELY (pipeline->priv->urisink == NULL)) {
GST_ERROR_OBJECT (pipeline, "Output URI not set !");
return FALSE;
}
if (!gst_bin_add (GST_BIN_CAST (pipeline), pipeline->priv->encodebin)) {
GST_ERROR_OBJECT (pipeline, "Couldn't add encodebin");
return FALSE;
}
if (!gst_bin_add (GST_BIN_CAST (pipeline), pipeline->priv->urisink)) {
GST_ERROR_OBJECT (pipeline, "Couldn't add URI sink");
return FALSE;
}
g_object_set (pipeline->priv->encodebin, "avoid-reencoding",
!(!(mode & GES_PIPELINE_MODE_SMART_RENDER)), NULL);
gst_element_link_pads_full (pipeline->priv->encodebin, "src",
pipeline->priv->urisink, "sink", GST_PAD_LINK_CHECK_NOTHING);
}
/* FIXUPS */
/* FIXME
* If we are rendering, set playsink to sync=False,
* If we are NOT rendering, set playsink to sync=TRUE */
pipeline->priv->mode = mode;
return TRUE;
}
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;
}
