gstreamer/tests/examples/concatenate.c
2010-11-09 16:27:06 +01:00

194 lines
5.5 KiB
C

/* GStreamer Editing Services
* Copyright (C) 2010 Edward Hervey <bilboed@bilboed.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <ges/ges.h>
#include <gst/profile/gstprofile.h>
#include <gst/pbutils/gstdiscoverer.h>
GstDiscovererInfo *get_info_for_file (GstDiscoverer * disco, gchar * filename);
GstDiscovererInfo *
get_info_for_file (GstDiscoverer * disco, gchar * filename)
{
GError *err;
gchar *path, *uri;
/* Convert to a URI */
if (!g_path_is_absolute (filename)) {
gchar *cur_dir;
cur_dir = g_get_current_dir ();
path = g_build_filename (cur_dir, filename, NULL);
g_free (cur_dir);
} else {
path = g_strdup (filename);
}
uri = g_filename_to_uri (path, NULL, &err);
g_free (path);
path = NULL;
/* Get information */
return gst_discoverer_discover_uri (disco, uri, &err);
}
static GstEncodingProfile *
make_profile_from_info (GstDiscovererInfo * info)
{
GstEncodingProfile *profile = NULL;
GstDiscovererStreamInfo *sinfo = gst_discoverer_info_get_stream_info (info);
/* Get the container format */
if (GST_IS_DISCOVERER_CONTAINER_INFO (sinfo)) {
GList *tmp, *substreams;
profile = gst_encoding_profile_new ((gchar *) "concatenate",
gst_discoverer_stream_info_get_caps (sinfo), NULL, FALSE);
substreams =
gst_discoverer_container_info_get_streams ((GstDiscovererContainerInfo
*) sinfo);
/* For each on the formats add stream profiles */
for (tmp = substreams; tmp; tmp = tmp->next) {
GstDiscovererStreamInfo *stream = GST_DISCOVERER_STREAM_INFO (tmp->data);
GstStreamEncodingProfile *sprof;
sprof =
gst_stream_encoding_profile_new (GST_IS_DISCOVERER_VIDEO_INFO (stream)
? GST_ENCODING_PROFILE_VIDEO : GST_ENCODING_PROFILE_AUDIO,
gst_discoverer_stream_info_get_caps (stream), NULL, NULL, 1);
gst_encoding_profile_add_stream (profile, sprof);
}
if (substreams)
gst_discoverer_stream_info_list_free (substreams);
} else {
GST_ERROR ("No container format !!!");
}
if (sinfo)
gst_discoverer_stream_info_unref (sinfo);
return profile;
}
static void
bus_message_cb (GstBus * bus, GstMessage * message, GMainLoop * mainloop)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
g_print ("ERROR\n");
g_main_loop_quit (mainloop);
break;
case GST_MESSAGE_EOS:
g_print ("Done\n");
g_main_loop_quit (mainloop);
break;
default:
break;
}
}
int
main (int argc, gchar ** argv)
{
GESTimelinePipeline *pipeline;
GESTimeline *timeline;
GESTimelineLayer *layer;
GList *sources = NULL;
GMainLoop *mainloop;
GstEncodingProfile *profile = NULL;
gchar *output_uri;
guint i;
gboolean gotprofile = FALSE;
GstDiscoverer *disco;
GstBus *bus;
if (argc < 3) {
g_print ("Usage: %s <output uri> <list of files>\n", argv[0]);
return -1;
}
gst_init (&argc, &argv);
ges_init ();
timeline = ges_timeline_new_audio_video ();
layer = (GESTimelineLayer *) ges_simple_timeline_layer_new ();
if (!ges_timeline_add_layer (timeline, layer))
return -1;
disco = gst_discoverer_new (10 * GST_SECOND, NULL);
for (i = 2; i < argc; i++) {
GstDiscovererInfo *info;
GESTimelineFileSource *src;
info = get_info_for_file (disco, argv[i]);
if (!gotprofile) {
profile = make_profile_from_info (info);
gotprofile = TRUE;
}
src = ges_timeline_filesource_new ((gchar *)
gst_discoverer_info_get_uri (info));
g_object_set (src, (gchar *) "duration",
gst_discoverer_info_get_duration (info), 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);
gst_discoverer_info_unref (info);
sources = g_list_append (sources, 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;
/* RENDER SETTINGS ! */
/* We set our output URI and rendering setting on the pipeline */
output_uri = argv[1];
if (!ges_timeline_pipeline_set_render_settings (pipeline, output_uri,
profile))
return -1;
/* We want the pipeline to render (without any preview) */
if (!ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_SMART_RENDER))
return -1;
mainloop = g_main_loop_new (NULL, FALSE);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_message_cb), mainloop);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
g_main_loop_run (mainloop);
return 0;
}