example: Port the concatenate example to assets

This commit is contained in:
Thibault Saunier 2012-09-09 21:26:49 -03:00
parent a1b946ab92
commit 3afd8fb88a

View file

@ -17,35 +17,126 @@
* Boston, MA 02110-1301, USA.
*/
#include <gio/gio.h>
#include <ges/ges.h>
#include <gst/pbutils/gstdiscoverer.h>
#include <gst/pbutils/encoding-profile.h>
GstDiscovererInfo *get_info_for_file (GstDiscoverer * disco, gchar * filename);
static void
bus_message_cb (GstBus * bus, GstMessage * message, GMainLoop * mainloop);
GstDiscovererInfo *
get_info_for_file (GstDiscoverer * disco, gchar * filename)
static GstEncodingProfile *make_profile_from_info (GstDiscovererInfo * info);
GESTimelinePipeline *pipeline = NULL;
gchar *output_uri = NULL;
guint assetsCount = 0;
guint assetsLoaded = 0;
GStaticMutex assetsLoadedLock = G_STATIC_MUTEX_INIT;
static void
asset_loaded_cb (GObject * source_object, GAsyncResult * res,
GMainLoop * mainloop)
{
GError *err;
gchar *path, *uri;
GError *error = NULL;
/* Convert to a URI */
if (!g_path_is_absolute (filename)) {
gchar *cur_dir;
GESAssetFileSource *mfs =
GES_ASSET_FILESOURCE (ges_asset_request_finish (res, &error));
cur_dir = g_get_current_dir ();
path = g_build_filename (cur_dir, filename, NULL);
g_free (cur_dir);
} else {
path = g_strdup (filename);
if (error) {
GST_WARNING ("error creating asseti %s", error->message);
return;
}
uri = g_filename_to_uri (path, NULL, &err);
g_free (path);
path = NULL;
g_static_mutex_lock (&assetsLoadedLock);
assetsLoaded++;
g_static_mutex_unlock (&assetsLoadedLock);
/* Get information */
return gst_discoverer_discover_uri (disco, uri, &err);
/*
* Check if we have loaded last asset and trigger concatenating
*/
if (assetsLoaded == assetsCount) {
GstDiscovererInfo *info = ges_asset_filesource_get_info (mfs);
GstEncodingProfile *profile = make_profile_from_info (info);
ges_timeline_pipeline_set_render_settings (pipeline, output_uri, profile);
/* We want the pipeline to render (without any preview) */
if (!ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_SMART_RENDER)) {
g_main_loop_quit (mainloop);
return;
}
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
}
g_object_unref (mfs);
}
int
main (int argc, char **argv)
{
GMainLoop *mainloop = NULL;
GESTimeline *timeline;
GESTimelineLayer *layer = NULL;
GstBus *bus = NULL;
guint i;
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;
output_uri = argv[1];
assetsCount = argc - 2;
for (i = 2; i < argc; i++) {
ges_asset_request_async (GES_TYPE_TIMELINE_FILE_SOURCE, argv[i],
NULL, (GAsyncReadyCallback) asset_loaded_cb, mainloop);
}
/* 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;
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);
g_main_loop_run (mainloop);
return 0;
}
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;
}
}
static GstEncodingProfile *
@ -94,110 +185,5 @@ make_profile_from_info (GstDiscovererInfo * info)
if (sinfo)
gst_discoverer_stream_info_unref (sinfo);
return (GstEncodingProfile *) 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;
return GST_ENCODING_PROFILE (profile);
}