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;
}
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;
}
Timeline::
Timeline(QObject *parent) : QAbstractListModel(parent)
{
timeline = ges_timeline_new_audio_video();
layer = ges_simple_timeline_layer_new();
ges_timeline_add_layer(timeline, GES_TIMELINE_LAYER(layer));
g_signal_connect(G_OBJECT(layer), "object-added",
G_CALLBACK(layer_object_added_cb), this);
g_signal_connect(G_OBJECT(layer), "object-moved",
G_CALLBACK(layer_object_moved_cb), this);
g_signal_connect(G_OBJECT(layer), "object-removed",
G_CALLBACK(layer_object_removed_cb), this);
QHash <int, QByteArray> rolenames;
rolenames[thumb_uri_role] = "thumb_uri";
rolenames[media_uri_role] = "media_uri";
rolenames[inpoint_role] = "in_point";
rolenames[outpoint_role] = "out_point";
rolenames[duration_role] = "duration";
rolenames[duration_only_role] = "duration_only";
setRoleNames(rolenames);
row_count = 0;
}
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;
}
static GESTimeline *
create_timeline (int nbargs, gchar ** argv, gchar * audio, gchar * video)
{
GESTimelineLayer *layer;
GESTrack *tracka = NULL, *trackv = NULL;
GESTimeline *timeline;
guint i;
timeline = ges_timeline_new ();
if (audio)
tracka = ges_track_audio_raw_new ();
if (video)
trackv = ges_track_video_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) ||
!(!audio || ges_timeline_add_track (timeline, tracka)) ||
!(!video || ges_timeline_add_track (timeline, trackv)))
goto build_failure;
/* Here we've finished initializing our timeline, we're
* ready to start using it... by solely working with the layer !*/
for (i = 0; i < nbargs / 3; i++) {
GESTimelineObject *obj;
char *source = argv[i * 3];
char *arg0 = argv[(i * 3) + 1];
guint64 duration = str_to_time (argv[(i * 3) + 2]);
if (!g_strcmp0 ("+pattern", source)) {
obj = GES_TIMELINE_OBJECT (ges_timeline_test_source_new_for_nick (arg0));
if (!obj) {
g_error ("%s is an invalid pattern name!\n", arg0);
goto build_failure;
}
g_object_set (G_OBJECT (obj), "duration", duration, NULL);
g_printf ("Adding <pattern:%s> duration %" GST_TIME_FORMAT "\n", arg0,
GST_TIME_ARGS (duration));
}
else if (!g_strcmp0 ("+transition", source)) {
if (duration <= 0) {
g_error ("durations must be greater than 0");
goto build_failure;
}
obj =
GES_TIMELINE_OBJECT (ges_timeline_standard_transition_new_for_nick
(arg0));
if (!obj) {
g_error ("invalid transition type\n");
goto build_failure;
}
g_object_set (G_OBJECT (obj), "duration", duration, NULL);
g_printf ("Adding <transition:%s> duration %" GST_TIME_FORMAT "\n", arg0,
GST_TIME_ARGS (duration));
}
else if (!g_strcmp0 ("+title", source)) {
obj = GES_TIMELINE_OBJECT (ges_timeline_title_source_new ());
g_object_set (obj, "duration", duration, "text", arg0, NULL);
g_printf ("Adding <title:%s> duration %" GST_TIME_FORMAT "\n", arg0,
GST_TIME_ARGS (duration));
}
else {
gchar *uri;
guint64 inpoint;
if (!(uri = ensure_uri (source))) {
GST_ERROR ("couldn't create uri for '%s'", source);
goto build_failure;
}
inpoint = str_to_time (argv[i * 3 + 1]);
obj = GES_TIMELINE_OBJECT (ges_timeline_filesource_new (uri));
g_object_set (obj,
"in-point", (guint64) inpoint, "duration", (guint64) duration, NULL);
g_printf ("Adding clip %s inpoint:%" GST_TIME_FORMAT " duration:%"
GST_TIME_FORMAT "\n", uri, GST_TIME_ARGS (inpoint),
GST_TIME_ARGS (duration));
g_free (uri);
}
/* Since we're using a GESSimpleTimelineLayer, objects will be automatically
* appended to the end of the layer */
ges_timeline_layer_add_object (layer, obj);
}
return timeline;
build_failure:
{
g_object_unref (timeline);
return NULL;
}
}