mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
examples: New playlist examples
Allows giving lists of file/start/duration triplets and testing the various timeline-pipeline modes (preview, render, smart-render)
This commit is contained in:
Edward Hervey
parent
d784d95d10
commit
8af90b7144
2 changed files with 211 additions and 0 deletions
|
|
@ -1,4 +1,5 @@
|
||||||
noinst_PROGRAMS = \
|
noinst_PROGRAMS = \
|
||||||
|
playlist \
|
||||||
simple1 \
|
simple1 \
|
||||||
test1 \
|
test1 \
|
||||||
test2 \
|
test2 \
|
||||||
|
|
|
||||||
210
tests/examples/playlist.c
Normal file
210
tests/examples/playlist.c
Normal file
|
|
@ -0,0 +1,210 @@
|
||||||
|
/* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include "config.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <glib.h>
|
||||||
|
#include <ges/ges.h>
|
||||||
|
#include <gst/profile/gstprofile.h>
|
||||||
|
|
||||||
|
static GstEncodingProfile *
|
||||||
|
make_encoding_profile (gchar * audio, gchar * video, gchar * container)
|
||||||
|
{
|
||||||
|
GstEncodingProfile *profile;
|
||||||
|
GstStreamEncodingProfile *stream;
|
||||||
|
|
||||||
|
profile = gst_encoding_profile_new ("ges-test4",
|
||||||
|
gst_caps_new_simple (container, NULL), NULL, FALSE);
|
||||||
|
stream = gst_stream_encoding_profile_new (GST_ENCODING_PROFILE_AUDIO,
|
||||||
|
gst_caps_from_string (audio), NULL, NULL, 0);
|
||||||
|
gst_encoding_profile_add_stream (profile, stream);
|
||||||
|
stream = gst_stream_encoding_profile_new (GST_ENCODING_PROFILE_VIDEO,
|
||||||
|
gst_caps_from_string (video), NULL, NULL, 0);
|
||||||
|
gst_encoding_profile_add_stream (profile, stream);
|
||||||
|
return profile;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GESTimelinePipeline *
|
||||||
|
create_timeline (int nbargs, gchar ** argv)
|
||||||
|
{
|
||||||
|
GESTimelinePipeline *pipeline;
|
||||||
|
GESTimelineLayer *layer;
|
||||||
|
GESTrack *tracka, *trackv;
|
||||||
|
GESTimeline *timeline;
|
||||||
|
guint i;
|
||||||
|
|
||||||
|
timeline = ges_timeline_new ();
|
||||||
|
|
||||||
|
tracka = ges_track_audio_raw_new ();
|
||||||
|
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) ||
|
||||||
|
!ges_timeline_add_track (timeline, tracka) ||
|
||||||
|
!ges_timeline_add_track (timeline, trackv))
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
/* 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++) {
|
||||||
|
gchar *uri = g_strdup_printf ("file://%s", argv[i * 3]);
|
||||||
|
GESTimelineFileSource *src = ges_timeline_filesource_new (uri);
|
||||||
|
|
||||||
|
g_assert (src);
|
||||||
|
g_free (uri);
|
||||||
|
|
||||||
|
g_object_set (src,
|
||||||
|
"in-point", atoi (argv[i * 3 + 1]) * GST_SECOND,
|
||||||
|
"duration", atoi (argv[i * 3 + 2]) * 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 NULL;
|
||||||
|
|
||||||
|
return pipeline;
|
||||||
|
}
|
||||||
|
|
||||||
|
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)
|
||||||
|
{
|
||||||
|
GError *err = NULL;
|
||||||
|
gchar *outputuri = NULL;
|
||||||
|
gchar *container = "application/ogg";
|
||||||
|
gchar *audio = "audio/x-vorbis";
|
||||||
|
gchar *video = "video/x-theora";
|
||||||
|
static gboolean render = FALSE;
|
||||||
|
static gboolean smartrender = FALSE;
|
||||||
|
GOptionEntry options[] = {
|
||||||
|
{"render", 'r', 0, G_OPTION_ARG_NONE, &render,
|
||||||
|
"Render to outputuri", NULL},
|
||||||
|
{"smartrender", 's', 0, G_OPTION_ARG_NONE, &smartrender,
|
||||||
|
"Render to outputuri, and avoid decoding/reencoding", NULL},
|
||||||
|
{"outputuri", 'o', 0, G_OPTION_ARG_STRING, &outputuri,
|
||||||
|
"URI to encode to", "URI (<protocol>://<location>)"},
|
||||||
|
{"format", 'f', 0, G_OPTION_ARG_STRING, &container,
|
||||||
|
"Container format", "<GstCaps>"},
|
||||||
|
{"vformat", 'v', 0, G_OPTION_ARG_STRING, &video,
|
||||||
|
"Video format", "<GstCaps>"},
|
||||||
|
{"aformat", 'a', 0, G_OPTION_ARG_STRING, &audio,
|
||||||
|
"Audio format", "<GstCaps>"},
|
||||||
|
{NULL}
|
||||||
|
};
|
||||||
|
GOptionContext *ctx;
|
||||||
|
GESTimelinePipeline *pipeline;
|
||||||
|
GMainLoop *mainloop;
|
||||||
|
GstBus *bus;
|
||||||
|
|
||||||
|
if (!g_thread_supported ())
|
||||||
|
g_thread_init (NULL);
|
||||||
|
|
||||||
|
ctx = g_option_context_new ("- plays/render a list of files");
|
||||||
|
g_option_context_set_summary (ctx,
|
||||||
|
"If not specified, this example will playback the files\n" "\n"
|
||||||
|
"The files should be layed out in triplets of:\n" " * filename\n"
|
||||||
|
" * inpoint (in seconds)\n" " * duration (in seconds)");
|
||||||
|
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);
|
||||||
|
g_option_context_free (ctx);
|
||||||
|
exit (1);
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((argc < 4) || (outputuri && (!render && !smartrender))) {
|
||||||
|
g_print ("outputuri:%s, render:%d, smartrender:%d, argc:%d\n",
|
||||||
|
outputuri, render, smartrender, argc);
|
||||||
|
g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
|
||||||
|
g_option_context_free (ctx);
|
||||||
|
exit (-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
g_option_context_free (ctx);
|
||||||
|
/* Initialize the GStreamer Editing Services */
|
||||||
|
ges_init ();
|
||||||
|
|
||||||
|
/* Create the pipeline */
|
||||||
|
pipeline = create_timeline (argc - 1, argv + 1);
|
||||||
|
if (!pipeline)
|
||||||
|
exit (-1);
|
||||||
|
|
||||||
|
/* Setup profile/encoding if needed */
|
||||||
|
if (render || smartrender) {
|
||||||
|
GstEncodingProfile *prof;
|
||||||
|
prof = make_encoding_profile (audio, video, container);
|
||||||
|
|
||||||
|
if (!prof ||
|
||||||
|
!ges_timeline_pipeline_set_render_settings (pipeline, outputuri, prof)
|
||||||
|
|| !ges_timeline_pipeline_set_mode (pipeline,
|
||||||
|
smartrender ? TIMELINE_MODE_SMART_RENDER : TIMELINE_MODE_RENDER))
|
||||||
|
exit (-1);
|
||||||
|
} else {
|
||||||
|
ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Play the pipeline */
|
||||||
|
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);
|
||||||
|
|
||||||
|
if (gst_element_set_state (GST_ELEMENT (pipeline),
|
||||||
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
|
||||||
|
g_print ("Failed to start the encoding\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
g_main_loop_run (mainloop);
|
||||||
|
|
||||||
|
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue