Add EPL header.
/* GStreamer
*
* seek.c: seeking sample application
*
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
* 2006 Stefan Kost <ensonic@users.sf.net>
*
* 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.
*/
/* FIXME: remove #if 0 code
*
*/
#include <stdlib.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (seek_debug);
#define GST_CAT_DEFAULT (seek_debug)
/* configuration */
//#define SOURCE "filesrc"
#define SOURCE "gnomevfssrc"
#define ASINK "alsasink"
//#define ASINK "osssink"
#define VSINK "xvimagesink"
//#define VSINK "sdlvideosink"
//#define VSINK "ximagesink"
//#define VSINK "aasink"
//#define VSINK "cacasink"
//#define UPDATE_INTERVAL 500
//#define UPDATE_INTERVAL 100
#define UPDATE_INTERVAL 10
/* number of milliseconds to play for after a seek */
#define SCRUB_TIME 100
/* timeout for gst_element_get_state() after a seek */
#define SEEK_TIMEOUT 40 * GST_MSECOND
static GList *seekable_pads = NULL;
static GList *rate_pads = NULL;
static GList *seekable_elements = NULL;
static gboolean accurate_seek = FALSE;
static gboolean keyframe_seek = FALSE;
static gboolean loop_seek = FALSE;
static gboolean flush_seek = TRUE;
static gboolean scrub = TRUE;
static gboolean play_scrub = FALSE;
static gdouble rate = 1.0;
static GstElement *pipeline;
static gint pipeline_type;
static const gchar *pipeline_spec;
static gint64 position = -1;
static gint64 duration = -1;
static GtkAdjustment *adjustment;
static GtkWidget *hscale;
static gboolean stats = FALSE;
static gboolean elem_seek = FALSE;
static gboolean verbose = FALSE;
static GstState state = GST_STATE_NULL;
static guint update_id = 0;
static guint seek_timeout_id = 0;
static gulong changed_id;
static gint n_video = 0, n_audio = 0, n_text = 0;
static gboolean need_streams = TRUE;
static GtkWidget *video_combo, *audio_combo, *text_combo, *vis_combo;
static GtkWidget *vis_checkbox, *video_checkbox, *audio_checkbox;
static GtkWidget *text_checkbox, *mute_checkbox, *volume_spinbutton;
/* we keep an array of the visualisation entries so that we can easily switch
* with the combo box index. */
typedef struct
{
GstElementFactory *factory;
} VisEntry;
static GArray *vis_entries;
static void clear_streams (GstElement * pipeline);
/* pipeline construction */
typedef struct
{
const gchar *padname;
GstPad *target;
GstElement *bin;
}
dyn_link;
static GstElement *
gst_element_factory_make_or_warn (gchar * type, gchar * name)
{
GstElement *element = gst_element_factory_make (type, name);
if (!element) {
g_warning ("Failed to create element %s of type %s", name, type);
}
return element;
}
static void
dynamic_link (GstPadTemplate * templ, GstPad * newpad, gpointer data)
{
gchar *padname;
dyn_link *connect = (dyn_link *) data;
padname = gst_pad_get_name (newpad);
if (connect->padname == NULL || !strcmp (padname, connect->padname)) {
if (connect->bin)
gst_bin_add (GST_BIN (pipeline), connect->bin);
gst_pad_link (newpad, connect->target);
//seekable_pads = g_list_prepend (seekable_pads, newpad);
rate_pads = g_list_prepend (rate_pads, newpad);
}
g_free (padname);
}
static void
setup_dynamic_link (GstElement * element, const gchar * padname,
GstPad * target, GstElement * bin)
{
dyn_link *connect;
connect = g_new0 (dyn_link, 1);
connect->padname = g_strdup (padname);
connect->target = target;
connect->bin = bin;
g_signal_connect (G_OBJECT (element), "pad-added", G_CALLBACK (dynamic_link),
connect);
}
static GstElement *
make_mod_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("modplug", "decoder");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, decoder);
gst_element_link (decoder, audiosink);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_dv_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *demux, *decoder, *audiosink, *videosink;
GstElement *a_queue, *v_queue;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
demux = gst_element_factory_make_or_warn ("dvdemux", "demuxer");
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
decoder = gst_element_factory_make_or_warn ("ffdec_dvvideo", "decoder");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
audiosink = gst_element_factory_make_or_warn ("alsasink", "a_sink");
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_bin_add (GST_BIN (pipeline), a_queue);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_bin_add (GST_BIN (pipeline), v_queue);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), videosink);
gst_element_link (src, demux);
gst_element_link (a_queue, audiosink);
gst_element_link (v_queue, decoder);
gst_element_link (decoder, videosink);
setup_dynamic_link (demux, "video", gst_element_get_pad (v_queue, "sink"),
NULL);
setup_dynamic_link (demux, "audio", gst_element_get_pad (a_queue, "sink"),
NULL);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
return pipeline;
}
static GstElement *
make_wav_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("wavparse", "decoder");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, decoder);
setup_dynamic_link (decoder, "src", gst_element_get_pad (audiosink, "sink"),
NULL);
seekable_elements = g_list_prepend (seekable_elements, audiosink);
/* force element seeking on this pipeline */
elem_seek = TRUE;
return pipeline;
}
static GstElement *
make_flac_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("flacdec", "decoder");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, decoder);
gst_element_link (decoder, audiosink);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_sid_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *audiosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("siddec", "decoder");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, decoder);
gst_element_link (decoder, audiosink);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_parse_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *parser, *fakesink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
parser = gst_element_factory_make_or_warn ("mpegparse", "parse");
fakesink = gst_element_factory_make_or_warn ("fakesink", "sink");
g_object_set (G_OBJECT (fakesink), "silent", TRUE, NULL);
g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL);
g_object_set (G_OBJECT (src), "location", location, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), parser);
gst_bin_add (GST_BIN (pipeline), fakesink);
gst_element_link (src, parser);
gst_element_link (parser, fakesink);
seekable = gst_element_get_pad (parser, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (parser, "sink"));
return pipeline;
}
static GstElement *
make_vorbis_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin;
GstElement *src, *demux, *decoder, *convert, *audiosink;
GstPad *pad, *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
decoder = gst_element_factory_make_or_warn ("vorbisdec", "decoder");
convert = gst_element_factory_make_or_warn ("audioconvert", "convert");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
g_object_set (G_OBJECT (audiosink), "sync", TRUE, NULL);
g_object_set (G_OBJECT (src), "location", location, NULL);
audio_bin = gst_bin_new ("a_decoder_bin");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_bin_add (GST_BIN (audio_bin), decoder);
gst_bin_add (GST_BIN (audio_bin), convert);
gst_bin_add (GST_BIN (audio_bin), audiosink);
gst_bin_add (GST_BIN (pipeline), audio_bin);
gst_element_link (src, demux);
gst_element_link (decoder, convert);
gst_element_link (convert, audiosink);
pad = gst_element_get_pad (decoder, "sink");
gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
NULL);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_theora_pipeline (const gchar * location)
{
GstElement *pipeline, *video_bin;
GstElement *src, *demux, *decoder, *convert, *videosink;
GstPad *pad, *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
decoder = gst_element_factory_make_or_warn ("theoradec", "decoder");
convert = gst_element_factory_make_or_warn ("ffmpegcolorspace", "convert");
videosink = gst_element_factory_make_or_warn (VSINK, "sink");
g_object_set (G_OBJECT (src), "location", location, NULL);
video_bin = gst_bin_new ("v_decoder_bin");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_bin_add (GST_BIN (video_bin), decoder);
gst_bin_add (GST_BIN (video_bin), convert);
gst_bin_add (GST_BIN (video_bin), videosink);
gst_bin_add (GST_BIN (pipeline), video_bin);
gst_element_link (src, demux);
gst_element_link (decoder, convert);
gst_element_link (convert, videosink);
pad = gst_element_get_pad (decoder, "sink");
gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
NULL);
seekable = gst_element_get_pad (decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_vorbis_theora_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin, *video_bin;
GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert;
GstElement *audiosink, *videosink;
GstElement *a_queue, *v_queue, *v_scale;
GstPad *seekable;
GstPad *pad;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
g_object_set (G_OBJECT (src), "location", location, NULL);
demux = gst_element_factory_make_or_warn ("oggdemux", "demux");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_element_link (src, demux);
audio_bin = gst_bin_new ("a_decoder_bin");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
a_decoder = gst_element_factory_make_or_warn ("vorbisdec", "a_dec");
a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert");
audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
gst_bin_add (GST_BIN (pipeline), audio_bin);
gst_bin_add (GST_BIN (audio_bin), a_queue);
gst_bin_add (GST_BIN (audio_bin), a_decoder);
gst_bin_add (GST_BIN (audio_bin), a_convert);
gst_bin_add (GST_BIN (audio_bin), audiosink);
gst_element_link (a_queue, a_decoder);
gst_element_link (a_decoder, a_convert);
gst_element_link (a_convert, audiosink);
pad = gst_element_get_pad (a_queue, "sink");
gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
NULL);
video_bin = gst_bin_new ("v_decoder_bin");
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
v_decoder = gst_element_factory_make_or_warn ("theoradec", "v_dec");
v_convert =
gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert");
v_scale = gst_element_factory_make_or_warn ("videoscale", "v_scale");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
gst_bin_add (GST_BIN (pipeline), video_bin);
gst_bin_add (GST_BIN (video_bin), v_queue);
gst_bin_add (GST_BIN (video_bin), v_decoder);
gst_bin_add (GST_BIN (video_bin), v_convert);
gst_bin_add (GST_BIN (video_bin), v_scale);
gst_bin_add (GST_BIN (video_bin), videosink);
gst_element_link_many (v_queue, v_decoder, v_convert, v_scale, videosink,
NULL);
pad = gst_element_get_pad (v_queue, "sink");
gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
NULL);
seekable = gst_element_get_pad (a_decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
return pipeline;
}
static GstElement *
make_avi_msmpeg4v3_mp3_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin, *video_bin;
GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert;
GstElement *audiosink, *videosink;
GstElement *a_queue, *v_queue;
GstPad *seekable, *pad;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
g_object_set (G_OBJECT (src), "location", location, NULL);
demux = gst_element_factory_make_or_warn ("avidemux", "demux");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_element_link (src, demux);
audio_bin = gst_bin_new ("a_decoder_bin");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert");
audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
gst_bin_add (GST_BIN (audio_bin), a_queue);
gst_bin_add (GST_BIN (audio_bin), a_decoder);
gst_bin_add (GST_BIN (audio_bin), a_convert);
gst_bin_add (GST_BIN (audio_bin), audiosink);
gst_element_link (a_queue, a_decoder);
gst_element_link (a_decoder, a_convert);
gst_element_link (a_convert, audiosink);
gst_bin_add (GST_BIN (pipeline), audio_bin);
pad = gst_element_get_pad (a_queue, "sink");
gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"),
NULL);
video_bin = gst_bin_new ("v_decoder_bin");
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
v_decoder = gst_element_factory_make_or_warn ("ffdec_msmpeg4", "v_dec");
v_convert =
gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
gst_bin_add (GST_BIN (video_bin), v_queue);
gst_bin_add (GST_BIN (video_bin), v_decoder);
gst_bin_add (GST_BIN (video_bin), v_convert);
gst_bin_add (GST_BIN (video_bin), videosink);
gst_element_link_many (v_queue, v_decoder, v_convert, videosink, NULL);
gst_bin_add (GST_BIN (pipeline), video_bin);
pad = gst_element_get_pad (v_queue, "sink");
gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"),
NULL);
seekable = gst_element_get_pad (a_decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
return pipeline;
}
static GstElement *
make_mp3_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *osssink, *queue;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("mad", "dec");
queue = gst_element_factory_make_or_warn ("queue", "queue");
osssink = gst_element_factory_make_or_warn (ASINK, "sink");
seekable_elements = g_list_prepend (seekable_elements, osssink);
g_object_set (G_OBJECT (src), "location", location, NULL);
//g_object_set (G_OBJECT (osssink), "fragment", 0x00180008, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), queue);
gst_bin_add (GST_BIN (pipeline), osssink);
gst_element_link (src, decoder);
gst_element_link (decoder, queue);
gst_element_link (queue, osssink);
seekable = gst_element_get_pad (queue, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
return pipeline;
}
static GstElement *
make_avi_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin, *video_bin;
GstElement *src, *demux, *a_decoder, *v_decoder, *audiosink, *videosink;
GstElement *a_queue = NULL, *v_queue = NULL;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
g_object_set (G_OBJECT (src), "location", location, NULL);
demux = gst_element_factory_make_or_warn ("avidemux", "demux");
seekable_elements = g_list_prepend (seekable_elements, demux);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_element_link (src, demux);
audio_bin = gst_bin_new ("a_decoder_bin");
a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
gst_element_link (a_decoder, a_queue);
gst_element_link (a_queue, audiosink);
gst_bin_add (GST_BIN (audio_bin), a_decoder);
gst_bin_add (GST_BIN (audio_bin), a_queue);
gst_bin_add (GST_BIN (audio_bin), audiosink);
gst_element_set_state (audio_bin, GST_STATE_PAUSED);
setup_dynamic_link (demux, "audio_00", gst_element_get_pad (a_decoder,
"sink"), audio_bin);
seekable = gst_element_get_pad (a_queue, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
video_bin = gst_bin_new ("v_decoder_bin");
v_decoder = gst_element_factory_make_or_warn ("ffmpegdecall", "v_dec");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
gst_element_link (v_decoder, v_queue);
gst_element_link (v_queue, videosink);
gst_bin_add (GST_BIN (video_bin), v_decoder);
gst_bin_add (GST_BIN (video_bin), v_queue);
gst_bin_add (GST_BIN (video_bin), videosink);
gst_element_set_state (video_bin, GST_STATE_PAUSED);
setup_dynamic_link (demux, "video_00", gst_element_get_pad (v_decoder,
"sink"), video_bin);
seekable = gst_element_get_pad (v_queue, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
return pipeline;
}
static GstElement *
make_mpeg_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin, *video_bin;
GstElement *src, *demux, *a_decoder, *v_decoder, *v_filter;
GstElement *audiosink, *videosink;
GstElement *a_queue, *v_queue;
GstPad *seekable;
GstPad *pad;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
g_object_set (G_OBJECT (src), "location", location, NULL);
//demux = gst_element_factory_make_or_warn ("mpegdemux", "demux");
demux = gst_element_factory_make_or_warn ("flupsdemux", "demux");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_element_link (src, demux);
audio_bin = gst_bin_new ("a_decoder_bin");
a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
gst_bin_add (GST_BIN (audio_bin), a_decoder);
gst_bin_add (GST_BIN (audio_bin), a_queue);
gst_bin_add (GST_BIN (audio_bin), audiosink);
gst_element_link (a_decoder, a_queue);
gst_element_link (a_queue, audiosink);
gst_bin_add (GST_BIN (pipeline), audio_bin);
pad = gst_element_get_pad (a_decoder, "sink");
gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, "audio_c0", gst_element_get_pad (audio_bin,
"sink"), NULL);
video_bin = gst_bin_new ("v_decoder_bin");
v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec");
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
gst_bin_add (GST_BIN (video_bin), v_decoder);
gst_bin_add (GST_BIN (video_bin), v_queue);
gst_bin_add (GST_BIN (video_bin), v_filter);
gst_bin_add (GST_BIN (video_bin), videosink);
gst_element_link (v_decoder, v_queue);
gst_element_link (v_queue, v_filter);
gst_element_link (v_filter, videosink);
gst_bin_add (GST_BIN (pipeline), video_bin);
pad = gst_element_get_pad (v_decoder, "sink");
gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad));
gst_object_unref (pad);
setup_dynamic_link (demux, "video_e0", gst_element_get_pad (video_bin,
"sink"), NULL);
seekable = gst_element_get_pad (v_filter, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
return pipeline;
}
static GstElement *
make_mpegnt_pipeline (const gchar * location)
{
GstElement *pipeline, *audio_bin, *video_bin;
GstElement *src, *demux, *a_decoder, *v_decoder, *v_filter;
GstElement *audiosink, *videosink;
GstElement *a_queue;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
g_object_set (G_OBJECT (src), "location", location, NULL);
demux = gst_element_factory_make_or_warn ("mpegdemux", "demux");
//g_object_set (G_OBJECT (demux), "sync", TRUE, NULL);
seekable_elements = g_list_prepend (seekable_elements, demux);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), demux);
gst_element_link (src, demux);
audio_bin = gst_bin_new ("a_decoder_bin");
a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink");
//g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
gst_element_link (a_decoder, a_queue);
gst_element_link (a_queue, audiosink);
gst_bin_add (GST_BIN (audio_bin), a_decoder);
gst_bin_add (GST_BIN (audio_bin), a_queue);
gst_bin_add (GST_BIN (audio_bin), audiosink);
setup_dynamic_link (demux, "audio_00", gst_element_get_pad (a_decoder,
"sink"), audio_bin);
seekable = gst_element_get_pad (a_queue, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
video_bin = gst_bin_new ("v_decoder_bin");
v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec");
v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
videosink = gst_element_factory_make_or_warn (VSINK, "v_sink");
gst_element_link_many (v_decoder, v_filter, videosink, NULL);
gst_bin_add_many (GST_BIN (video_bin), v_decoder, v_filter, videosink, NULL);
setup_dynamic_link (demux, "video_00", gst_element_get_pad (v_decoder,
"sink"), video_bin);
seekable = gst_element_get_pad (v_decoder, "src");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
rate_pads =
g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
return pipeline;
}
static GstElement *
make_playerbin_pipeline (const gchar * location)
{
GstElement *player;
player = gst_element_factory_make ("playbin", "player");
g_assert (player);
g_object_set (G_OBJECT (player), "uri", location, NULL);
seekable_elements = g_list_prepend (seekable_elements, player);
/* force element seeking on this pipeline */
elem_seek = TRUE;
return player;
}
static GstElement *
make_playerbin2_pipeline (const gchar * location)
{
GstElement *player;
player = gst_element_factory_make ("playbin2", "player");
g_assert (player);
g_object_set (G_OBJECT (player), "uri", location, NULL);
seekable_elements = g_list_prepend (seekable_elements, player);
/* force element seeking on this pipeline */
elem_seek = TRUE;
return player;
}
#ifndef GST_DISABLE_PARSE
static GstElement *
make_parselaunch_pipeline (const gchar * description)
{
GstElement *pipeline;
GError *error;
pipeline = gst_parse_launch (description, &error);
seekable_elements = g_list_prepend (seekable_elements, pipeline);
elem_seek = TRUE;
return pipeline;
}
#endif
typedef struct
{
gchar *name;
GstElement *(*func) (const gchar * location);
}
Pipeline;
static Pipeline pipelines[] = {
{"mp3", make_mp3_pipeline},
{"avi", make_avi_pipeline},
{"mpeg1", make_mpeg_pipeline},
{"mpegparse", make_parse_pipeline},
{"vorbis", make_vorbis_pipeline},
{"theora", make_theora_pipeline},
{"ogg/v/t", make_vorbis_theora_pipeline},
{"avi/msmpeg4v3/mp3", make_avi_msmpeg4v3_mp3_pipeline},
{"sid", make_sid_pipeline},
{"flac", make_flac_pipeline},
{"wav", make_wav_pipeline},
{"mod", make_mod_pipeline},
{"dv", make_dv_pipeline},
{"mpeg1nothreads", make_mpegnt_pipeline},
{"playerbin", make_playerbin_pipeline},
#ifndef GST_DISABLE_PARSE
{"parse-launch", make_parselaunch_pipeline},
#endif
{"playerbin2", make_playerbin2_pipeline},
{NULL, NULL},
};
#define NUM_TYPES ((sizeof (pipelines) / sizeof (Pipeline)) - 1)
/* ui callbacks and helpers */
static gchar *
format_value (GtkScale * scale, gdouble value)
{
gint64 real;
gint64 seconds;
gint64 subseconds;
real = value * duration / 100;
seconds = (gint64) real / GST_SECOND;
subseconds = (gint64) real / (GST_SECOND / 100);
return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02"
G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 100);
}
typedef struct
{
const gchar *name;
const GstFormat format;
}
seek_format;
static seek_format seek_formats[] = {
{"tim", GST_FORMAT_TIME},
{"byt", GST_FORMAT_BYTES},
{"buf", GST_FORMAT_BUFFERS},
{"def", GST_FORMAT_DEFAULT},
{NULL, 0},
};
G_GNUC_UNUSED static void
query_rates (void)
{
GList *walk = rate_pads;
while (walk) {
GstPad *pad = GST_PAD (walk->data);
gint i = 0;
g_print ("rate/sec %8.8s: ", GST_PAD_NAME (pad));
while (seek_formats[i].name) {
gint64 value;
GstFormat format;
format = seek_formats[i].format;
if (gst_pad_query_convert (pad, GST_FORMAT_TIME, GST_SECOND, &format,
&value)) {
g_print ("%s %13" G_GINT64_FORMAT " | ", seek_formats[i].name, value);
} else {
g_print ("%s %13.13s | ", seek_formats[i].name, "*NA*");
}
i++;
}
g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_positions_elems (void)
{
GList *walk = seekable_elements;
while (walk) {
GstElement *element = GST_ELEMENT (walk->data);
gint i = 0;
g_print ("positions %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gint64 position, total;
GstFormat format;
format = seek_formats[i].format;
if (gst_element_query_position (element, &format, &position) &&
gst_element_query_duration (element, &format, &total)) {
g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ",
seek_formats[i].name, position, total);
} else {
g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*",
"*NA*");
}
i++;
}
g_print (" %s\n", GST_ELEMENT_NAME (element));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_positions_pads (void)
{
GList *walk = seekable_pads;
while (walk) {
GstPad *pad = GST_PAD (walk->data);
gint i = 0;
g_print ("positions %8.8s: ", GST_PAD_NAME (pad));
while (seek_formats[i].name) {
GstFormat format;
gint64 position, total;
format = seek_formats[i].format;
if (gst_pad_query_position (pad, &format, &position) &&
gst_pad_query_duration (pad, &format, &total)) {
g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ",
seek_formats[i].name, position, total);
} else {
g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*",
"*NA*");
}
i++;
}
g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
walk = g_list_next (walk);
}
}
static gboolean start_seek (GtkWidget * widget, GdkEventButton * event,
gpointer user_data);
static gboolean stop_seek (GtkWidget * widget, GdkEventButton * event,
gpointer user_data);
static void seek_cb (GtkWidget * widget);
static void
set_scale (gdouble value)
{
g_signal_handlers_block_by_func (hscale, (void *) start_seek,
(void *) pipeline);
g_signal_handlers_block_by_func (hscale, (void *) stop_seek,
(void *) pipeline);
g_signal_handlers_block_by_func (hscale, (void *) seek_cb, (void *) pipeline);
gtk_adjustment_set_value (adjustment, value);
g_signal_handlers_unblock_by_func (hscale, (void *) start_seek,
(void *) pipeline);
g_signal_handlers_unblock_by_func (hscale, (void *) stop_seek,
(void *) pipeline);
g_signal_handlers_unblock_by_func (hscale, (void *) seek_cb,
(void *) pipeline);
gtk_widget_queue_draw (hscale);
}
static gboolean
update_scale (gpointer data)
{
GstFormat format = GST_FORMAT_TIME;
//position = 0;
//duration = 0;
if (elem_seek) {
if (seekable_elements) {
GstElement *element = GST_ELEMENT (seekable_elements->data);
gst_element_query_position (element, &format, &position);
gst_element_query_duration (element, &format, &duration);
}
} else {
if (seekable_pads) {
GstPad *pad = GST_PAD (seekable_pads->data);
gst_pad_query_position (pad, &format, &position);
gst_pad_query_duration (pad, &format, &duration);
}
}
if (stats) {
if (elem_seek) {
query_positions_elems ();
} else {
query_positions_pads ();
}
query_rates ();
}
if (position >= duration)
duration = position;
if (duration > 0) {
set_scale (position * 100.0 / duration);
}
return TRUE;
}
static void do_seek (GtkWidget * widget);
static void connect_bus_signals (GstElement * pipeline);
static void set_update_scale (gboolean active);
static gboolean
end_scrub (GtkWidget * widget)
{
GST_DEBUG ("end scrub, PAUSE");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
seek_timeout_id = 0;
return FALSE;
}
static gboolean
send_event (GstEvent * event)
{
gboolean res = FALSE;
if (!elem_seek) {
GList *walk = seekable_pads;
while (walk) {
GstPad *seekable = GST_PAD (walk->data);
GST_DEBUG ("send event on pad %s:%s", GST_DEBUG_PAD_NAME (seekable));
gst_event_ref (event);
res = gst_pad_send_event (seekable, event);
walk = g_list_next (walk);
}
} else {
GList *walk = seekable_elements;
while (walk) {
GstElement *seekable = GST_ELEMENT (walk->data);
GST_DEBUG ("send event on element %s", GST_ELEMENT_NAME (seekable));
gst_event_ref (event);
res = gst_element_send_event (seekable, event);
walk = g_list_next (walk);
}
}
gst_event_unref (event);
return res;
}
static void
do_seek (GtkWidget * widget)
{
gint64 real;
gboolean res = FALSE;
GstEvent *s_event;
GstSeekFlags flags;
real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100;
flags = 0;
if (flush_seek)
flags |= GST_SEEK_FLAG_FLUSH;
if (accurate_seek)
flags |= GST_SEEK_FLAG_ACCURATE;
if (keyframe_seek)
flags |= GST_SEEK_FLAG_KEY_UNIT;
if (loop_seek)
flags |= GST_SEEK_FLAG_SEGMENT;
if (rate >= 0) {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, real, GST_SEEK_TYPE_SET, -1);
GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
rate, GST_TIME_ARGS (real), GST_TIME_ARGS (duration));
} else {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, real);
GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT,
rate, GST_TIME_ARGS (0), GST_TIME_ARGS (real));
}
res = send_event (s_event);
if (res) {
if (flush_seek) {
gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT);
} else {
set_update_scale (TRUE);
}
} else {
g_print ("seek failed\n");
set_update_scale (TRUE);
}
}
static void
seek_cb (GtkWidget * widget)
{
/* If the timer hasn't expired yet, then the pipeline is running */
if (play_scrub && seek_timeout_id != 0) {
GST_DEBUG ("do scrub seek, PAUSED");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
GST_DEBUG ("do seek");
do_seek (widget);
if (play_scrub) {
GST_DEBUG ("do scrub seek, PLAYING");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (seek_timeout_id == 0) {
seek_timeout_id =
g_timeout_add (SCRUB_TIME, (GSourceFunc) end_scrub, widget);
}
}
}
static void
set_update_scale (gboolean active)
{
GST_DEBUG ("update scale is %d", active);
if (active) {
if (update_id == 0) {
update_id =
g_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
}
} else {
if (update_id) {
g_source_remove (update_id);
update_id = 0;
}
}
}
static gboolean
start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
if (event->type != GDK_BUTTON_PRESS)
return FALSE;
set_update_scale (FALSE);
if (state == GST_STATE_PLAYING && flush_seek && scrub) {
GST_DEBUG ("start scrub seek, PAUSE");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
if (changed_id == 0 && flush_seek && scrub) {
changed_id = gtk_signal_connect (GTK_OBJECT (hscale),
"value_changed", G_CALLBACK (seek_cb), pipeline);
}
return FALSE;
}
static gboolean
stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
if (changed_id) {
g_signal_handler_disconnect (GTK_OBJECT (hscale), changed_id);
changed_id = 0;
}
if (!flush_seek || !scrub) {
GST_DEBUG ("do final seek");
do_seek (widget);
}
if (seek_timeout_id != 0) {
g_source_remove (seek_timeout_id);
seek_timeout_id = 0;
/* Still scrubbing, so the pipeline is playing, see if we need PAUSED
* instead. */
if (state == GST_STATE_PAUSED) {
GST_DEBUG ("stop scrub seek, PAUSED");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
} else {
if (state == GST_STATE_PLAYING) {
GST_DEBUG ("stop scrub seek, PLAYING");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
}
}
return FALSE;
}
static void
play_cb (GtkButton * button, gpointer data)
{
GstStateChangeReturn ret;
if (state != GST_STATE_PLAYING) {
g_print ("PLAY pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
//do_seek(hscale);
state = GST_STATE_PLAYING;
}
return;
failed:
{
g_print ("PLAY failed\n");
}
}
static void
pause_cb (GtkButton * button, gpointer data)
{
if (state != GST_STATE_PAUSED) {
GstStateChangeReturn ret;
g_print ("PAUSE pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
state = GST_STATE_PAUSED;
}
return;
failed:
{
g_print ("PAUSE failed\n");
}
}
static void
stop_cb (GtkButton * button, gpointer data)
{
if (state != GST_STATE_READY) {
GstStateChangeReturn ret;
g_print ("READY pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_READY);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
state = GST_STATE_READY;
set_update_scale (FALSE);
set_scale (0.0);
if (pipeline_type == 16)
clear_streams (pipeline);
/* if one uses parse_launch, play, stop and play again it fails as all the
* pads after the demuxer can't be reconnected
*/
if (!strcmp (pipelines[pipeline_type].name, "parse-launch")) {
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
pipeline = pipelines[pipeline_type].func (pipeline_spec);
g_assert (pipeline);
gst_element_set_state (pipeline, GST_STATE_READY);
connect_bus_signals (pipeline);
}
}
return;
failed:
{
g_print ("STOP failed\n");
}
}
static void
accurate_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
accurate_seek = gtk_toggle_button_get_active (button);
}
static void
key_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
keyframe_seek = gtk_toggle_button_get_active (button);
}
static void
loop_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
loop_seek = gtk_toggle_button_get_active (button);
if (state == GST_STATE_PLAYING) {
do_seek (hscale);
}
}
static void
flush_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
flush_seek = gtk_toggle_button_get_active (button);
}
static void
scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
scrub = gtk_toggle_button_get_active (button);
}
static void
play_scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
play_scrub = gtk_toggle_button_get_active (button);
}
static void
rate_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
{
gboolean res = FALSE;
GstEvent *s_event;
GstSeekFlags flags;
rate = gtk_spin_button_get_value (button);
flags = 0;
if (flush_seek)
flags |= GST_SEEK_FLAG_FLUSH;
if (loop_seek)
flags |= GST_SEEK_FLAG_SEGMENT;
if (accurate_seek)
flags |= GST_SEEK_FLAG_ACCURATE;
if (keyframe_seek)
flags |= GST_SEEK_FLAG_KEY_UNIT;
if (rate >= 0) {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, position,
GST_SEEK_TYPE_SET, -1);
} else {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, position);
}
GST_DEBUG ("rate changed to %lf", rate);
res = send_event (s_event);
if (res) {
if (flush_seek) {
gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT);
}
} else
g_print ("seek failed\n");
}
static void
update_flag (GstPipeline * pipeline, gint num, gboolean state)
{
gint flags;
g_object_get (pipeline, "flags", &flags, NULL);
if (state)
flags |= (1 << num);
else
flags &= ~(1 << num);
g_object_set (pipeline, "flags", flags, NULL);
}
static void
vis_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 3, state);
gtk_widget_set_sensitive (vis_combo, state);
}
static void
audio_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
update_flag (pipeline, 1, gtk_toggle_button_get_active (button));
}
static void
video_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
update_flag (pipeline, 0, gtk_toggle_button_get_active (button));
}
static void
text_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
update_flag (pipeline, 2, gtk_toggle_button_get_active (button));
}
static void
mute_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean mute;
mute = gtk_toggle_button_get_active (button);
g_object_set (pipeline, "mute", mute, NULL);
}
static void
clear_streams (GstElement * pipeline)
{
gint i;
/* remove previous info */
for (i = 0; i < n_video; i++)
gtk_combo_box_remove_text (GTK_COMBO_BOX (video_combo), 0);
for (i = 0; i < n_audio; i++)
gtk_combo_box_remove_text (GTK_COMBO_BOX (audio_combo), 0);
for (i = 0; i < n_text; i++)
gtk_combo_box_remove_text (GTK_COMBO_BOX (text_combo), 0);
n_audio = n_video = n_text = 0;
gtk_widget_set_sensitive (video_combo, FALSE);
gtk_widget_set_sensitive (audio_combo, FALSE);
gtk_widget_set_sensitive (text_combo, FALSE);
need_streams = TRUE;
}
static void
update_streams (GstPipeline * pipeline)
{
gint i;
if (pipeline_type == 16 && need_streams) {
GstTagList *tags;
gchar *name;
gint active_idx;
/* remove previous info */
clear_streams (GST_ELEMENT_CAST (pipeline));
/* here we get and update the different streams detected by playbin2 */
g_object_get (pipeline, "n-video", &n_video, NULL);
g_object_get (pipeline, "n-audio", &n_audio, NULL);
g_object_get (pipeline, "n-text", &n_text, NULL);
g_print ("video %d, audio %d, text %d\n", n_video, n_audio, n_text);
active_idx = 0;
for (i = 0; i < n_video; i++) {
g_signal_emit_by_name (pipeline, "get-video-tags", i, &tags);
/* find good name for the label */
name = g_strdup_printf ("video %d", i + 1);
gtk_combo_box_append_text (GTK_COMBO_BOX (video_combo), name);
g_free (name);
}
gtk_widget_set_sensitive (video_combo, n_video > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (video_combo), active_idx);
active_idx = 0;
for (i = 0; i < n_audio; i++) {
g_signal_emit_by_name (pipeline, "get-audio-tags", i, &tags);
/* find good name for the label */
name = g_strdup_printf ("audio %d", i + 1);
gtk_combo_box_append_text (GTK_COMBO_BOX (audio_combo), name);
g_free (name);
}
gtk_widget_set_sensitive (audio_combo, n_audio > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (audio_combo), active_idx);
active_idx = 0;
for (i = 0; i < n_text; i++) {
g_signal_emit_by_name (pipeline, "get-text-tags", i, &tags);
/* find good name for the label */
name = g_strdup_printf ("text %d", i + 1);
gtk_combo_box_append_text (GTK_COMBO_BOX (text_combo), name);
g_free (name);
}
gtk_widget_set_sensitive (text_combo, n_text > 0);
gtk_combo_box_set_active (GTK_COMBO_BOX (text_combo), active_idx);
need_streams = FALSE;
}
}
static void
video_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
g_object_set (pipeline, "current-video", gtk_combo_box_get_active (combo),
NULL);
}
static void
audio_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
g_object_set (pipeline, "current-audio", gtk_combo_box_get_active (combo),
NULL);
}
static void
text_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
g_object_set (pipeline, "current-text", gtk_combo_box_get_active (combo),
NULL);
}
static gboolean
filter_features (GstPluginFeature * feature, gpointer data)
{
GstElementFactory *f;
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
f = GST_ELEMENT_FACTORY (feature);
if (!g_strrstr (gst_element_factory_get_klass (f), "Visualization"))
return FALSE;
return TRUE;
}
static void
init_visualization_features (void)
{
GList *list, *walk;
vis_entries = g_array_new (FALSE, FALSE, sizeof (VisEntry));
list = gst_registry_feature_filter (gst_registry_get_default (),
filter_features, FALSE, NULL);
for (walk = list; walk; walk = g_list_next (walk)) {
VisEntry entry;
const gchar *name;
entry.factory = GST_ELEMENT_FACTORY (walk->data);
name = gst_element_factory_get_longname (entry.factory);
g_array_append_val (vis_entries, entry);
gtk_combo_box_append_text (GTK_COMBO_BOX (vis_combo), name);
}
gtk_combo_box_set_active (GTK_COMBO_BOX (vis_combo), 0);
}
static void
vis_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
guint index;
VisEntry *entry;
GstElement *element;
/* get the selected index and get the factory for this index */
index = gtk_combo_box_get_active (GTK_COMBO_BOX (vis_combo));
entry = &g_array_index (vis_entries, VisEntry, index);
/* create an instance of the element from the factory */
element = gst_element_factory_create (entry->factory, NULL);
if (!element)
return;
/* set vis plugin for playbin2 */
g_object_set (pipeline, "vis-plugin", element, NULL);
}
static void
volume_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline)
{
gdouble volume;
volume = gtk_spin_button_get_value (button);
g_object_set (pipeline, "volume", volume, NULL);
}
static void
shot_cb (GtkButton * button, gpointer data)
{
GstBuffer *buffer;
GstCaps *caps;
/* convert to our desired format (RGB24) */
caps = gst_caps_new_simple ("video/x-raw-rgb",
"bpp", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24,
/* Note: we don't ask for a specific width/height here, so that
* videoscale can adjust dimensions from a non-1/1 pixel aspect
* ratio to a 1/1 pixel-aspect-ratio */
"pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
"endianness", G_TYPE_INT, G_BIG_ENDIAN,
"red_mask", G_TYPE_INT, 0xff0000,
"green_mask", G_TYPE_INT, 0x00ff00,
"blue_mask", G_TYPE_INT, 0x0000ff, NULL);
/* convert the latest frame to the requested format */
g_signal_emit_by_name (pipeline, "convert-frame", caps, &buffer);
gst_caps_unref (caps);
if (buffer) {
GstCaps *caps;
GstStructure *s;
gboolean res;
gint width, height;
GdkPixbuf *pixbuf;
GError *error = NULL;
/* get the snapshot buffer format now. We set the caps on the appsink so
* that it can only be an rgb buffer. The only thing we have not specified
* on the caps is the height, which is dependant on the pixel-aspect-ratio
* of the source material */
caps = GST_BUFFER_CAPS (buffer);
if (!caps) {
g_warning ("could not get snapshot format\n");
goto done;
}
s = gst_caps_get_structure (caps, 0);
/* we need to get the final caps on the buffer to get the size */
res = gst_structure_get_int (s, "width", &width);
res |= gst_structure_get_int (s, "height", &height);
if (!res) {
g_warning ("could not get snapshot dimension\n");
goto done;
}
/* create pixmap from buffer and save, gstreamer video buffers have a stride
* that is rounded up to the nearest multiple of 4 */
pixbuf = gdk_pixbuf_new_from_data (GST_BUFFER_DATA (buffer),
GDK_COLORSPACE_RGB, FALSE, 8, width, height,
GST_ROUND_UP_4 (width * 3), NULL, NULL);
/* save the pixbuf */
gdk_pixbuf_save (pixbuf, "snapshot.png", "png", &error, NULL);
done:
gst_buffer_unref (buffer);
}
}
static void
message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
const GstStructure *s;
s = gst_message_get_structure (message);
g_print ("message from \"%s\" (%s): ",
GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))),
gst_message_type_get_name (GST_MESSAGE_TYPE (message)));
if (s) {
gchar *sstr;
sstr = gst_structure_to_string (s);
g_print ("%s\n", sstr);
g_free (sstr);
} else {
g_print ("no message details\n");
}
}
static void
msg_async_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
GST_DEBUG ("async done");
/* when we get ASYNC_DONE we can query position, duration and other
* properties */
update_scale (pipeline);
/* update the available streams */
update_streams (pipeline);
}
static void
msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
const GstStructure *s;
s = gst_message_get_structure (message);
/* We only care about state changed on the pipeline */
if (s && GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
GstState old, new, pending;
gst_message_parse_state_changed (message, &old, &new, &pending);
/* When state of the pipeline changes to paused or playing we start updating scale */
if (new == GST_STATE_PLAYING) {
set_update_scale (TRUE);
} else {
set_update_scale (FALSE);
}
}
}
static void
msg_segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
{
GstEvent *s_event;
GstSeekFlags flags;
gboolean res;
GstFormat format;
GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
gst_message_parse_segment_done (message, &format, &position);
GST_DEBUG ("end of segment at %" GST_TIME_FORMAT, GST_TIME_ARGS (position));
flags = 0;
/* in the segment-done callback we never flush as this would not make sense
* for seamless playback. */
if (loop_seek)
flags = GST_SEEK_FLAG_SEGMENT;
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, duration);
GST_DEBUG ("restart loop with rate %lf to 0 / %" GST_TIME_FORMAT,
rate, GST_TIME_ARGS (duration));
res = send_event (s_event);
if (!res)
g_print ("segment seek failed\n");
}
static void
connect_bus_signals (GstElement * pipeline)
{
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
g_signal_connect (bus, "message::state-changed",
(GCallback) msg_state_changed, pipeline);
g_signal_connect (bus, "message::segment-done", (GCallback) msg_segment_done,
pipeline);
g_signal_connect (bus, "message::async-done", (GCallback) msg_async_done,
pipeline);
g_signal_connect (bus, "message::new-clock", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::error", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::warning", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::eos", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::tag", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::element", (GCallback) message_received,
pipeline);
g_signal_connect (bus, "message::segment-done", (GCallback) message_received,
pipeline);
gst_object_unref (bus);
}
static void
print_usage (int argc, char **argv)
{
gint i;
g_print ("usage: %s <type> <filename>\n", argv[0]);
g_print (" possible types:\n");
for (i = 0; i < NUM_TYPES; i++) {
g_print (" %d = %s\n", i, pipelines[i].name);
}
}
int
main (int argc, char **argv)
{
GtkWidget *window, *hbox, *vbox, *panel, *boxes, *flagtable, *boxes2;
GtkWidget *play_button, *pause_button, *stop_button, *shot_button;
GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox, *flush_checkbox;
GtkWidget *scrub_checkbox, *play_scrub_checkbox, *rate_spinbutton;
GtkWidget *rate_label;
GtkTooltips *tips;
GOptionEntry options[] = {
{"stats", 's', 0, G_OPTION_ARG_NONE, &stats,
"Show pad stats", NULL},
{"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek,
"Seek on elements instead of pads", NULL},
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
"Verbose properties", NULL},
{NULL}
};
GOptionContext *ctx;
GError *err = NULL;
if (!g_thread_supported ())
g_thread_init (NULL);
ctx = g_option_context_new ("- test seeking in gsteamer");
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);
}
GST_DEBUG_CATEGORY_INIT (seek_debug, "seek", 0, "seek example");
gtk_init (&argc, &argv);
if (argc != 3) {
print_usage (argc, argv);
exit (-1);
}
pipeline_type = atoi (argv[1]);
if (pipeline_type < 0 || pipeline_type >= NUM_TYPES) {
print_usage (argc, argv);
exit (-1);
}
pipeline_spec = argv[2];
pipeline = pipelines[pipeline_type].func (pipeline_spec);
g_assert (pipeline);
/* initialize gui elements ... */
tips = gtk_tooltips_new ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
hbox = gtk_hbox_new (FALSE, 0);
vbox = gtk_vbox_new (FALSE, 0);
flagtable = gtk_table_new (4, 2, FALSE);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
/* media controls */
play_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PLAY);
pause_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PAUSE);
stop_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_STOP);
/* seek flags */
accurate_checkbox = gtk_check_button_new_with_label ("Accurate Seek");
key_checkbox = gtk_check_button_new_with_label ("Key-unit Seek");
loop_checkbox = gtk_check_button_new_with_label ("Loop");
flush_checkbox = gtk_check_button_new_with_label ("Flush");
scrub_checkbox = gtk_check_button_new_with_label ("Scrub");
play_scrub_checkbox = gtk_check_button_new_with_label ("Play Scrub");
rate_spinbutton = gtk_spin_button_new_with_range (-100, 100, 0.1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (rate_spinbutton), 3);
rate_label = gtk_label_new ("Rate");
gtk_tooltips_set_tip (tips, accurate_checkbox,
"accurate position is requested, this might be considerably slower for some formats",
NULL);
gtk_tooltips_set_tip (tips, key_checkbox,
"seek to the nearest keyframe. This might be faster but less accurate",
NULL);
gtk_tooltips_set_tip (tips, loop_checkbox, "loop playback", NULL);
gtk_tooltips_set_tip (tips, flush_checkbox, "flush pipeline after seeking",
NULL);
gtk_tooltips_set_tip (tips, rate_spinbutton, "define the playback rate, "
"negative value trigger reverse playback", NULL);
gtk_tooltips_set_tip (tips, scrub_checkbox, "show images while seeking",
NULL);
gtk_tooltips_set_tip (tips, play_scrub_checkbox, "play video while seeking",
NULL);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flush_checkbox), TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (scrub_checkbox), TRUE);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (rate_spinbutton), rate);
/* seek bar */
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, 100.0, 0.1, 1.0, 1.0));
hscale = gtk_hscale_new (adjustment);
gtk_scale_set_digits (GTK_SCALE (hscale), 2);
#if GTK_CHECK_VERSION(2,12,0)
gtk_range_set_show_fill_level (GTK_RANGE (hscale), TRUE);
gtk_range_set_fill_level (GTK_RANGE (hscale), 100.0);
#endif
gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
gtk_signal_connect (GTK_OBJECT (hscale),
"button_press_event", G_CALLBACK (start_seek), pipeline);
gtk_signal_connect (GTK_OBJECT (hscale),
"button_release_event", G_CALLBACK (stop_seek), pipeline);
gtk_signal_connect (GTK_OBJECT (hscale),
"format_value", G_CALLBACK (format_value), pipeline);
if (pipeline_type == 16) {
/* the playbin2 panel controls for the video/audio/subtitle tracks */
panel = gtk_hbox_new (FALSE, 0);
video_combo = gtk_combo_box_new_text ();
audio_combo = gtk_combo_box_new_text ();
text_combo = gtk_combo_box_new_text ();
gtk_widget_set_sensitive (video_combo, FALSE);
gtk_widget_set_sensitive (audio_combo, FALSE);
gtk_widget_set_sensitive (text_combo, FALSE);
gtk_box_pack_start (GTK_BOX (panel), video_combo, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (panel), audio_combo, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (panel), text_combo, TRUE, TRUE, 2);
g_signal_connect (G_OBJECT (video_combo), "changed",
G_CALLBACK (video_combo_cb), pipeline);
g_signal_connect (G_OBJECT (audio_combo), "changed",
G_CALLBACK (audio_combo_cb), pipeline);
g_signal_connect (G_OBJECT (text_combo), "changed",
G_CALLBACK (text_combo_cb), pipeline);
/* playbin2 panel for flag checkboxes and volume/mute */
boxes = gtk_hbox_new (FALSE, 0);
vis_checkbox = gtk_check_button_new_with_label ("Vis");
video_checkbox = gtk_check_button_new_with_label ("Video");
audio_checkbox = gtk_check_button_new_with_label ("Audio");
text_checkbox = gtk_check_button_new_with_label ("Text");
mute_checkbox = gtk_check_button_new_with_label ("Mute");
volume_spinbutton = gtk_spin_button_new_with_range (0, 10.0, 0.1);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (volume_spinbutton), 1.0);
gtk_box_pack_start (GTK_BOX (boxes), vis_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), audio_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), video_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), text_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), mute_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), volume_spinbutton, TRUE, TRUE, 2);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (vis_checkbox), FALSE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (audio_checkbox), TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (video_checkbox), TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text_checkbox), TRUE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mute_checkbox), FALSE);
g_signal_connect (G_OBJECT (vis_checkbox), "toggled",
G_CALLBACK (vis_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (audio_checkbox), "toggled",
G_CALLBACK (audio_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (video_checkbox), "toggled",
G_CALLBACK (video_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (text_checkbox), "toggled",
G_CALLBACK (text_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (mute_checkbox), "toggled",
G_CALLBACK (mute_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (volume_spinbutton), "value_changed",
G_CALLBACK (volume_spinbutton_changed_cb), pipeline);
/* playbin2 panel for snapshot */
boxes2 = gtk_hbox_new (FALSE, 0);
shot_button = gtk_button_new_from_stock (GTK_STOCK_SAVE);
gtk_tooltips_set_tip (tips, shot_button,
"save a screenshot .png in the current directory", NULL);
g_signal_connect (G_OBJECT (shot_button), "clicked", G_CALLBACK (shot_cb),
pipeline);
vis_combo = gtk_combo_box_new_text ();
g_signal_connect (G_OBJECT (vis_combo), "changed",
G_CALLBACK (vis_combo_cb), pipeline);
gtk_widget_set_sensitive (vis_combo, FALSE);
gtk_box_pack_start (GTK_BOX (boxes2), shot_button, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes2), vis_combo, TRUE, TRUE, 2);
/* fill the vis combo box and the array of factories */
init_visualization_features ();
} else {
panel = boxes = boxes2 = NULL;
}
/* do the packing stuff ... */
gtk_window_set_default_size (GTK_WINDOW (window), 250, 96);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_box_pack_start (GTK_BOX (hbox), play_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), pause_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), stop_button, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (hbox), flagtable, FALSE, FALSE, 2);
gtk_table_attach_defaults (GTK_TABLE (flagtable), accurate_checkbox, 0, 1, 0,
1);
gtk_table_attach_defaults (GTK_TABLE (flagtable), flush_checkbox, 1, 2, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (flagtable), loop_checkbox, 2, 3, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (flagtable), key_checkbox, 0, 1, 1, 2);
gtk_table_attach_defaults (GTK_TABLE (flagtable), scrub_checkbox, 1, 2, 1, 2);
gtk_table_attach_defaults (GTK_TABLE (flagtable), play_scrub_checkbox, 2, 3,
1, 2);
gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_label, 3, 4, 0, 1);
gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_spinbutton, 3, 4, 1,
2);
if (panel && boxes && boxes2) {
gtk_box_pack_start (GTK_BOX (vbox), panel, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), boxes, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), boxes2, TRUE, TRUE, 2);
}
gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
/* connect things ... */
g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb),
pipeline);
g_signal_connect (G_OBJECT (pause_button), "clicked", G_CALLBACK (pause_cb),
pipeline);
g_signal_connect (G_OBJECT (stop_button), "clicked", G_CALLBACK (stop_cb),
pipeline);
g_signal_connect (G_OBJECT (accurate_checkbox), "toggled",
G_CALLBACK (accurate_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (key_checkbox), "toggled",
G_CALLBACK (key_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (loop_checkbox), "toggled",
G_CALLBACK (loop_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (flush_checkbox), "toggled",
G_CALLBACK (flush_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (scrub_checkbox), "toggled",
G_CALLBACK (scrub_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (play_scrub_checkbox), "toggled",
G_CALLBACK (play_scrub_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (rate_spinbutton), "value_changed",
G_CALLBACK (rate_spinbutton_changed_cb), pipeline);
g_signal_connect (G_OBJECT (window), "delete-event", gtk_main_quit, NULL);
/* show the gui. */
gtk_widget_show_all (window);
if (verbose) {
g_signal_connect (pipeline, "deep_notify",
G_CALLBACK (gst_object_default_deep_notify), NULL);
}
connect_bus_signals (pipeline);
gtk_main ();
g_print ("NULL pipeline\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_print ("free pipeline\n");
gst_object_unref (pipeline);
return 0;
}