blob: f9e5588097d918350edc960fabf34410b14fea7f [file] [log] [blame]
/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include <glib/gstdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
#include <linux/input.h>
#include <linux/joystick.h>
#ifdef HAVE_X
#include <gdk/gdkx.h>
#endif
#include <gst/video/videooverlay.h>
GST_DEBUG_CATEGORY_STATIC (seek_debug);
#define GST_CAT_DEFAULT (seek_debug)
/* configuration */
#define SOURCE "filesrc"
#define ASINK "alsasink"
//#define ASINK "osssink"
#define VSINK "xvimagesink"
//#define VSINK "sdlvideosink"
//#define VSINK "ximagesink"
//#define VSINK "aasink"
//#define VSINK "cacasink"
#define FILL_INTERVAL 100
//#define UPDATE_INTERVAL 500
//#define UPDATE_INTERVAL 100
//#define UPDATE_INTERVAL 10
#define UPDATE_INTERVAL 40
/* 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
#define DEFAULT_VIDEO_HEIGHT 300
/* the state to go to when stop is pressed */
#define STOP_STATE GST_STATE_READY
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 gboolean skip_seek = 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, *statusbar;
static guint status_id = 0;
static gboolean stats = FALSE;
static gboolean elem_seek = FALSE;
static gboolean verbose = FALSE;
static gchar *js_device = NULL;
static gboolean is_live = FALSE;
static gboolean buffering = FALSE;
static GstBufferingMode mode;
static gint64 buffering_left;
static GstState state = GST_STATE_NULL;
static guint update_id = 0;
static guint seek_timeout_id = 0;
static gulong changed_id;
static guint fill_id = 0;
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;
static GtkWidget *skip_checkbox, *video_window, *download_checkbox;
static GtkWidget *buffer_checkbox, *rate_spinbutton;
static GMutex state_mutex;
static GtkWidget *format_combo, *step_amount_spinbutton, *step_rate_spinbutton;
static GtkWidget *shuttle_checkbox, *step_button;
static GtkWidget *shuttle_hscale;
static GtkAdjustment *shuttle_adjustment;
static GList *paths = NULL, *l = NULL;
gint js_fd;
/* 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);
static void volume_notify_cb (GstElement * pipeline, GParamSpec * arg,
gpointer user_dat);
/* pipeline construction */
typedef struct
{
const gchar *padname;
GstPad *target;
GstElement *bin;
}
dyn_link;
static GstElement *
gst_element_factory_make_or_warn (const gchar * type, const 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_static_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_static_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_static_pad (v_queue,
"sink"), NULL);
setup_dynamic_link (demux, "audio", gst_element_get_static_pad (a_queue,
"sink"), NULL);
seekable = gst_element_get_static_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_static_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_static_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_static_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_static_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_static_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_static_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_static_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_static_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_static_pad (audio_bin,
"sink"), NULL);
seekable = gst_element_get_static_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_static_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 ("videoconvert", "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_static_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_static_pad (video_bin,
"sink"), NULL);
seekable = gst_element_get_static_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_static_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_static_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_static_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 ("videoconvert", "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_static_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_static_pad (video_bin,
"sink"), NULL);
seekable = gst_element_get_static_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_static_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 ("mpg123audiodec", "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_static_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_static_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 ("videoconvert", "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_static_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_static_pad (video_bin,
"sink"), NULL);
seekable = gst_element_get_static_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_static_pad (a_decoder,
"sink"));
return pipeline;
}
static GstElement *
make_mp3_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *parser, *decoder, *audiosink, *queue;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
parser = gst_element_factory_make_or_warn ("mpegaudioparse", "parse");
decoder = gst_element_factory_make_or_warn ("mpg123audiodec", "dec");
queue = gst_element_factory_make_or_warn ("queue", "queue");
audiosink = gst_element_factory_make_or_warn (ASINK, "sink");
seekable_elements = g_list_prepend (seekable_elements, audiosink);
g_object_set (G_OBJECT (src), "location", location, NULL);
//g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), parser);
gst_bin_add (GST_BIN (pipeline), decoder);
gst_bin_add (GST_BIN (pipeline), queue);
gst_bin_add (GST_BIN (pipeline), audiosink);
gst_element_link (src, parser);
gst_element_link (parser, decoder);
gst_element_link (decoder, queue);
gst_element_link (queue, audiosink);
seekable = gst_element_get_static_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_static_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 ("mpg123audiodec", "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_static_pad (a_decoder,
"sink"), audio_bin);
seekable = gst_element_get_static_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_static_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_static_pad (v_decoder,
"sink"), video_bin);
seekable = gst_element_get_static_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_static_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");
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 ("mpg123audiodec", "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_static_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_static_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 ("videoconvert", "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_static_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_static_pad (video_bin,
"sink"), NULL);
seekable = gst_element_get_static_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_static_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 ("mpg123audiodec", "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_static_pad (a_decoder,
"sink"), audio_bin);
seekable = gst_element_get_static_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_static_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 ("videoconvert", "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_static_pad (v_decoder,
"sink"), video_bin);
seekable = gst_element_get_static_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_static_pad (v_decoder,
"sink"));
return pipeline;
}
static void
playerbin_set_uri (GstElement * player, const gchar * location)
{
gchar *uri;
/* Add "file://" prefix for convenience */
if (g_str_has_prefix (location, "/")) {
uri = g_strconcat ("file://", location, NULL);
g_object_set (G_OBJECT (player), "uri", uri, NULL);
g_free (uri);
} else {
g_object_set (G_OBJECT (player), "uri", location, NULL);
}
}
static GstElement *
construct_playerbin (const gchar * name, const gchar * location)
{
GstElement *player;
player = gst_element_factory_make (name, "player");
g_assert (player);
playerbin_set_uri (player, location);
seekable_elements = g_list_prepend (seekable_elements, player);
/* force element seeking on this pipeline */
elem_seek = TRUE;
return player;
}
static GstElement *
make_playerbin_pipeline (const gchar * location)
{
return construct_playerbin ("playbin", location);
}
static GstElement *
make_playerbin2_pipeline (const gchar * location)
{
GstElement *pipeline = construct_playerbin ("playbin", location);
/* FIXME: this is not triggered, playbin is not forwarding it from the sink */
g_signal_connect (pipeline, "notify::volume", G_CALLBACK (volume_notify_cb),
NULL);
return pipeline;
}
#ifndef GST_DISABLE_PARSE
static GstElement *
make_parselaunch_pipeline (const gchar * description)
{
GstElement *pipeline;
pipeline = gst_parse_launch (description, NULL);
seekable_elements = g_list_prepend (seekable_elements, pipeline);
elem_seek = TRUE;
return pipeline;
}
#endif
typedef struct
{
const 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);
}
static gchar *
shuttle_format_value (GtkScale * scale, gdouble value)
{
return g_strdup_printf ("%0.*g", gtk_scale_get_digits (scale), value);
}
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_fill (gpointer data)
{
if (elem_seek) {
if (seekable_elements) {
GstElement *element = GST_ELEMENT (seekable_elements->data);
GstQuery *query;
query = gst_query_new_buffering (GST_FORMAT_PERCENT);
if (gst_element_query (element, query)) {
gint64 start, stop, buffering_total;
GstFormat format;
gdouble fill;
gboolean busy;
gint percent;
GstBufferingMode mode;
gint avg_in, avg_out;
gint64 buffering_left;
gst_query_parse_buffering_percent (query, &busy, &percent);
gst_query_parse_buffering_range (query, &format, &start, &stop,
&buffering_total);
gst_query_parse_buffering_stats (query, &mode, &avg_in, &avg_out,
&buffering_left);
/* note that we could start the playback when buffering_left < remaining
* playback time */
GST_DEBUG ("buffering total %" G_GINT64_FORMAT " ms, left %"
G_GINT64_FORMAT " ms", buffering_total, buffering_left);
GST_DEBUG ("start %" G_GINT64_FORMAT ", stop %" G_GINT64_FORMAT,
start, stop);
if (stop != -1)
fill = 100.0 * stop / GST_FORMAT_PERCENT_MAX;
else
fill = 100.0;
gtk_range_set_fill_level (GTK_RANGE (hscale), fill);
}
gst_query_unref (query);
}
}
return TRUE;
}
static gboolean
update_scale (gpointer data)
{
if (elem_seek) {
if (seekable_elements) {
GstElement *element = GST_ELEMENT (seekable_elements->data);
gst_element_query_position (element, GST_FORMAT_TIME, &position);
gst_element_query_duration (element, GST_FORMAT_TIME, &duration);
}
} else {
if (seekable_pads) {
GstPad *pad = GST_PAD (seekable_pads->data);
gst_pad_query_position (pad, GST_FORMAT_TIME, &position);
gst_pad_query_duration (pad, GST_FORMAT_TIME, &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);
}
/* FIXME: see make_playerbin2_pipeline() and volume_notify_cb() */
if (pipeline_type == 16) {
g_object_notify (G_OBJECT (pipeline), "volume");
}
return TRUE;
}
static void do_seek (GtkWidget * widget);
static void connect_bus_signals (GstElement * pipeline);
static void set_update_scale (gboolean active);
static void set_update_fill (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 (skip_seek)
flags |= GST_SEEK_FLAG_SKIP;
if (rate >= 0) {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, real, GST_SEEK_TYPE_SET,
GST_CLOCK_TIME_NONE);
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_fill (gboolean active)
{
GST_DEBUG ("fill scale is %d", active);
if (active) {
if (fill_id == 0) {
fill_id =
g_timeout_add (FILL_INTERVAL, (GSourceFunc) update_fill, pipeline);
}
} else {
if (fill_id) {
g_source_remove (fill_id);
fill_id = 0;
}
}
}
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, (GSourceFunc) 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 =
g_signal_connect (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 (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");
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
is_live = TRUE;
break;
default:
break;
}
state = GST_STATE_PLAYING;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Playing");
}
return;
failed:
{
g_print ("PLAY failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Play failed");
}
}
static void
pause_cb (GtkButton * button, gpointer data)
{
g_mutex_lock (&state_mutex);
if (state != GST_STATE_PAUSED) {
GstStateChangeReturn ret;
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
g_print ("PAUSE pipeline\n");
ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
goto failed;
case GST_STATE_CHANGE_NO_PREROLL:
is_live = TRUE;
break;
default:
break;
}
state = GST_STATE_PAUSED;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Paused");
}
g_mutex_unlock (&state_mutex);
return;
failed:
{
g_mutex_unlock (&state_mutex);
g_print ("PAUSE failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Pause failed");
}
}
static void
stop_cb (GtkButton * button, gpointer data)
{
if (state != STOP_STATE) {
GstStateChangeReturn ret;
g_print ("READY pipeline\n");
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
g_mutex_lock (&state_mutex);
ret = gst_element_set_state (pipeline, STOP_STATE);
if (ret == GST_STATE_CHANGE_FAILURE)
goto failed;
state = STOP_STATE;
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stopped");
gtk_widget_queue_draw (video_window);
is_live = FALSE;
buffering = FALSE;
set_update_scale (FALSE);
set_scale (0.0);
set_update_fill (FALSE);
if (pipeline_type == 16)
clear_streams (pipeline);
g_mutex_unlock (&state_mutex);
#if 0
/* 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);
g_list_free (seekable_elements);
seekable_elements = NULL;
g_list_free (seekable_pads);
seekable_pads = NULL;
g_list_free (rate_pads);
rate_pads = NULL;
pipeline = pipelines[pipeline_type].func (pipeline_spec);
g_assert (pipeline);
gst_element_set_state (pipeline, STOP_STATE);
connect_bus_signals (pipeline);
}
#endif
}
return;
failed:
{
g_mutex_unlock (&state_mutex);
g_print ("STOP failed\n");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stop failed");
}
}
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
skip_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
skip_seek = gtk_toggle_button_get_active (button);
if (state == GST_STATE_PLAYING) {
do_seek (hscale);
}
}
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);
GST_DEBUG ("rate changed to %lf", rate);
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 (skip_seek)
flags |= GST_SEEK_FLAG_SKIP;
if (rate >= 0.0) {
s_event = gst_event_new_seek (rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, position,
GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
} 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);
}
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)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 1, state);
gtk_widget_set_sensitive (audio_combo, state);
}
static void
video_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 0, state);
gtk_widget_set_sensitive (video_combo, state);
}
static void
text_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 2, state);
gtk_widget_set_sensitive (text_combo, state);
}
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
download_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 7, state);
}
static void
buffer_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline)
{
gboolean state;
state = gtk_toggle_button_get_active (button);
update_flag (pipeline, 8, state);
}
static void
clear_streams (GstElement * pipeline)
{
gint i;
/* remove previous info */
for (i = 0; i < n_video; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (video_combo), 0);
for (i = 0; i < n_audio; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (audio_combo), 0);
for (i = 0; i < n_text; i++)
gtk_combo_box_text_remove (GTK_COMBO_BOX_TEXT (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, *str;
gint active_idx;
gboolean state;
/* remove previous info */
clear_streams (GST_ELEMENT_CAST (pipeline));
/* here we get and update the different streams detected by playbin */
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);
if (tags) {
str = gst_tag_list_to_string (tags);
g_print ("video %d: %s\n", i, str);
g_free (str);
gst_tag_list_unref (tags);
}
/* find good name for the label */
name = g_strdup_printf ("video %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (video_combo), name);
g_free (name);
}
state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (video_checkbox));
gtk_widget_set_sensitive (video_combo, state && 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);
if (tags) {
str = gst_tag_list_to_string (tags);
g_print ("audio %d: %s\n", i, str);
g_free (str);
gst_tag_list_unref (tags);
}
/* find good name for the label */
name = g_strdup_printf ("audio %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (audio_combo), name);
g_free (name);
}
state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (audio_checkbox));
gtk_widget_set_sensitive (audio_combo, state && 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);
name = NULL;
if (tags) {
const GValue *value;
str = gst_tag_list_to_string (tags);
g_print ("text %d: %s\n", i, str);
g_free (str);
/* get the language code if we can */
value = gst_tag_list_get_value_index (tags, GST_TAG_LANGUAGE_CODE, 0);
if (value && G_VALUE_HOLDS_STRING (value)) {
name = g_strdup_printf ("text %s", g_value_get_string (value));
}
gst_tag_list_unref (tags);
}
/* find good name for the label if we didn't use a tag */
if (name == NULL)
name = g_strdup_printf ("text %d", i + 1);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (text_combo), name);
g_free (name);
}
state = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (text_checkbox));
gtk_widget_set_sensitive (text_combo, state && 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)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current video track %d\n", active);
g_object_set (pipeline, "current-video", active, NULL);
}
static void
audio_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current audio track %d\n", active);
g_object_set (pipeline, "current-audio", active, NULL);
}
static void
text_combo_cb (GtkComboBox * combo, GstPipeline * pipeline)
{
gint active;
active = gtk_combo_box_get_active (combo);
g_print ("setting current text track %d\n", active);
g_object_set (pipeline, "current-text", active, 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_metadata (f,
GST_ELEMENT_METADATA_KLASS), "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 (),
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_metadata (entry.factory,
GST_ELEMENT_METADATA_LONGNAME);
g_array_append_val (vis_entries, entry);
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (vis_combo), name);
}
gtk_combo_box_set_active (GTK_COMBO_BOX (vis_combo), 0);
gst_plugin_feature_list_free (list);
}
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));
if (vis_entries->len > 0) {
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 playbin */
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
volume_notify_cb (GstElement * pipeline, GParamSpec * arg, gpointer user_dat)
{
gdouble cur_volume, new_volume;
g_object_get (pipeline, "volume", &new_volume, NULL);
cur_volume = gtk_spin_button_get_value (GTK_SPIN_BUTTON (volume_spinbutton));
if (fabs (cur_volume - new_volume) > 0.001) {
g_signal_handlers_block_by_func (volume_spinbutton,
volume_spinbutton_changed_cb, pipeline);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (volume_spinbutton), new_volume);
g_signal_handlers_unblock_by_func (volume_spinbutton,
volume_spinbutton_changed_cb, pipeline);
}
}
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", "format", G_TYPE_STRING, "RGB24",
/* 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, 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;
GstMapInfo map;
/* 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 */
#if 0
caps = GST_BUFFER_CAPS (buffer);
#endif
/* FIXME, get the caps on the buffer somehow */
caps = NULL;
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 */
gst_buffer_map (buffer, &map, GST_MAP_READ);
pixbuf = gdk_pixbuf_new_from_data (map.data,
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);
gst_buffer_unmap (buffer, &map);
g_clear_error (&error);
done:
gst_buffer_unref (buffer);
}
}
/* called when the Step button is pressed */
static void
step_cb (GtkButton * button, gpointer data)
{
GstEvent *event;
GstFormat format;
guint64 amount;
gdouble rate;
gboolean flush, res;
gint active;
active = gtk_combo_box_get_active (GTK_COMBO_BOX (format_combo));
amount =
gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON
(step_amount_spinbutton));
rate = gtk_spin_button_get_value (GTK_SPIN_BUTTON (step_rate_spinbutton));
flush = TRUE;
switch (active) {
case 0:
format = GST_FORMAT_BUFFERS;
break;
case 1:
format = GST_FORMAT_TIME;
amount *= GST_MSECOND;
break;
default:
format = GST_FORMAT_UNDEFINED;
break;
}
event = gst_event_new_step (format, amount, rate, flush, FALSE);
res = send_event (event);
if (!res) {
g_print ("Sending step event failed\n");
}
}
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 gboolean shuttling = FALSE;
static gdouble shuttle_rate = 0.0;
static gdouble play_rate = 1.0;
static void
do_shuttle (GstElement * element)
{
guint64 duration;
if (shuttling)
duration = 40 * GST_MSECOND;
else
duration = 0;
gst_element_send_event (element,
gst_event_new_step (GST_FORMAT_TIME, duration, shuttle_rate, FALSE,
FALSE));
}
static void
msg_sync_step_done (GstBus * bus, GstMessage * message, GstElement * element)
{
GstFormat format;
guint64 amount;
gdouble rate;
gboolean flush;
gboolean intermediate;
guint64 duration;
gboolean eos;
gst_message_parse_step_done (message, &format, &amount, &rate, &flush,
&intermediate, &duration, &eos);
if (eos) {
g_print ("stepped till EOS\n");
return;
}
if (g_mutex_trylock (&state_mutex)) {
if (shuttling)
do_shuttle (element);
g_mutex_unlock (&state_mutex);
} else {
/* ignore step messages that come while we are doing a state change */
g_print ("state change is busy\n");
}
}
static void
shuttle_toggled (GtkToggleButton * button, GstElement * element)
{
gboolean active;
active = gtk_toggle_button_get_active (button);
if (active != shuttling) {
shuttling = active;
g_print ("shuttling %s\n", shuttling ? "active" : "inactive");
if (active) {
shuttle_rate = 0.0;
play_rate = 1.0;
pause_cb (NULL, NULL);
gst_element_get_state (element, NULL, NULL, -1);
}
}
}
static void
shuttle_rate_switch (GstElement * element)
{
GstSeekFlags flags;
GstEvent *s_event;
gboolean res;
if (state == GST_STATE_PLAYING) {
/* pause when we need to */
pause_cb (NULL, NULL);
gst_element_get_state (element, NULL, NULL, -1);
}
if (play_rate == 1.0)
play_rate = -1.0;
else
play_rate = 1.0;
g_print ("rate changed to %lf %" GST_TIME_FORMAT "\n", play_rate,
GST_TIME_ARGS (position));
flags = GST_SEEK_FLAG_FLUSH;
flags |= GST_SEEK_FLAG_ACCURATE;
if (play_rate >= 0.0) {
s_event = gst_event_new_seek (play_rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, position,
GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
} else {
s_event = gst_event_new_seek (play_rate,
GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0),
GST_SEEK_TYPE_SET, position);
}
res = send_event (s_event);
if (res) {
gst_element_get_state (element, NULL, NULL, SEEK_TIMEOUT);
} else {
g_print ("seek failed\n");
}
}
static void
shuttle_value_changed (GtkRange * range, GstElement * element)
{
gdouble rate;
rate = gtk_adjustment_get_value (shuttle_adjustment);
if (rate == 0.0) {
g_print ("rate 0.0, pause\n");
pause_cb (NULL, NULL);
gst_element_get_state (element, NULL, NULL, -1);
} else {
g_print ("rate changed %0.3g\n", rate);
if ((rate < 0.0 && play_rate > 0.0) || (rate > 0.0 && play_rate < 0.0)) {
shuttle_rate_switch (element);
}
shuttle_rate = ABS (rate);
if (state != GST_STATE_PLAYING) {
do_shuttle (element);
play_cb (NULL, NULL);
}
}
}
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;
if (skip_seek)
flags |= GST_SEEK_FLAG_SKIP;
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");
}
/* in stream buffering mode we PAUSE the pipeline until we receive a 100%
* message */
static void
do_stream_buffering (gint percent)
{
gchar *bufstr;
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
bufstr = g_strdup_printf ("Buffering...%d", percent);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, bufstr);
g_free (bufstr);
if (percent == 100) {
/* a 100% message means buffering is done */
buffering = FALSE;
/* if the desired state is playing, go back */
if (state == GST_STATE_PLAYING) {
/* no state management needed for live pipelines */
if (!is_live) {
fprintf (stderr, "Done buffering, setting pipeline to PLAYING ...\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
}
gtk_statusbar_pop (GTK_STATUSBAR (statusbar), status_id);
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Playing");
}
} else {
/* buffering busy */
if (!buffering && state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
if (!is_live) {
fprintf (stderr, "Buffering, setting pipeline to PAUSED ...\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
}
buffering = TRUE;
}
}
static void
do_download_buffering (gint percent)
{
if (!buffering && percent < 100) {
gchar *bufstr;
buffering = TRUE;
bufstr = g_strdup_printf ("Downloading...");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, bufstr);
g_free (bufstr);
/* once we get a buffering message, we'll do the fill update */
set_update_fill (TRUE);
if (state == GST_STATE_PLAYING && !is_live) {
fprintf (stderr, "Downloading, setting pipeline to PAUSED ...\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
/* user has to manually start the playback */
state = GST_STATE_PAUSED;
}
}
}
static void
msg_buffering (GstBus * bus, GstMessage * message, GstPipeline * data)
{
gint percent;
gst_message_parse_buffering (message, &percent);
/* get more stats */
gst_message_parse_buffering_stats (message, &mode, NULL, NULL,
&buffering_left);
switch (mode) {
case GST_BUFFERING_DOWNLOAD:
do_download_buffering (percent);
break;
case GST_BUFFERING_LIVE:
case GST_BUFFERING_TIMESHIFT:
case GST_BUFFERING_STREAM:
do_stream_buffering (percent);
break;
}
}
static void
msg_clock_lost (GstBus * bus, GstMessage * message, GstPipeline * data)
{
g_print ("clock lost! PAUSE and PLAY to select a new clock\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
}
#ifdef HAVE_X
static gulong embed_xid = 0;
/* We set the xid here in response to the prepare-window-handle message via a
* bus sync handler because we don't know the actual videosink used from the
* start (as we don't know the pipeline, or bin elements such as autovideosink
* or gconfvideosink may be used which create the actual videosink only once
* the pipeline is started) */
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, GstPipeline * data)
{
GstElement *element;
if (!gst_is_video_overlay_prepare_window_handle_message (message))
return GST_BUS_PASS;
element = GST_ELEMENT (GST_MESSAGE_SRC (message));
g_print ("got prepare-window-handle, setting XID %lu\n", embed_xid);
/* Should have been initialised from main thread before (can't use
* GDK_WINDOW_XID here with Gtk+ >= 2.18, because the sync handler will
* be called from a streaming thread and GDK_WINDOW_XID maps to more than
* a simple structure lookup with Gtk+ >= 2.18, where 'more' is stuff that
* shouldn't be done from a non-GUI thread without explicit locking). */
g_assert (embed_xid != 0);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (element), embed_xid);
return GST_BUS_PASS;
}
#endif
static gboolean
draw_cb (GtkWidget * widget, cairo_t * cr, gpointer data)
{
if (state < GST_STATE_PAUSED) {
int width, height;
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
return TRUE;
}
return FALSE;
}
static void
realize_cb (GtkWidget * widget, gpointer data)
{
GdkWindow *window = gtk_widget_get_window (widget);
/* This is here just for pedagogical purposes, GDK_WINDOW_XID will call it
* as well */
if (!gdk_window_ensure_native (window))
g_error ("Couldn't create native window needed for GstVideoOverlay!");
#ifdef HAVE_X
embed_xid = GDK_WINDOW_XID (window);
g_print ("Window realize: video window XID = %lu\n", embed_xid);
#endif
}
static void
msg_eos (GstBus * bus, GstMessage * message, GstPipeline * data)
{
message_received (bus, message, data);
/* Set new uri for playerbins and continue playback */
if (l && (pipeline_type == 14 || pipeline_type == 16)) {
stop_cb (NULL, NULL);
l = g_list_next (l);
if (l) {
playerbin_set_uri (GST_ELEMENT (data), l->data);
play_cb (NULL, NULL);
}
}
}
static void
msg_step_done (GstBus * bus, GstMessage * message, GstPipeline * data)
{
if (!shuttling)
message_received (bus, message, data);
}
static void
connect_bus_signals (GstElement * pipeline)
{
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
#ifdef HAVE_X
/* handle prepare-window-handle element message synchronously */
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) bus_sync_handler,
pipeline, NULL);
#endif
gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH);
gst_bus_enable_sync_message_emission (bus);
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::clock-lost", (GCallback) msg_clock_lost,
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) msg_eos, 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);
g_signal_connect (bus, "message::buffering", (GCallback) msg_buffering,
pipeline);
// g_signal_connect (bus, "message::step-done", (GCallback) msg_step_done,
// pipeline);
g_signal_connect (bus, "message::step-start", (GCallback) msg_step_done,
pipeline);
g_signal_connect (bus, "sync-message::step-done",
(GCallback) msg_sync_step_done, pipeline);
gst_object_unref (bus);
}
/* Return GList of paths described in location string */
static GList *
handle_wildcards (const gchar * location)
{
GList *res = NULL;
gchar *path = g_path_get_dirname (location);
gchar *pattern = g_path_get_basename (location);
GPatternSpec *pspec = g_pattern_spec_new (pattern);
GDir *dir = g_dir_open (path, 0, NULL);
const gchar *name;
g_print ("matching %s from %s\n", pattern, path);
if (!dir) {
g_print ("opening directory %s failed\n", path);
goto out;
}
while ((name = g_dir_read_name (dir)) != NULL) {
if (g_pattern_match_string (pspec, name)) {
res = g_list_append (res, g_strjoin ("/", path, name, NULL));
g_print (" found clip %s\n", name);
}
}
g_dir_close (dir);
out:
g_pattern_spec_free (pspec);
g_free (pattern);
g_free (path);
return res;
}
static void
delete_event_cb (void)
{
stop_cb (NULL, NULL);
gtk_main_quit ();
}
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);
}
}
static gboolean
read_joystick (GIOChannel * source, GIOCondition condition, gpointer user_data)
{
gchar buf[sizeof (struct js_event)];
struct js_event *js = (struct js_event *) buf;
GError *err = NULL;
gsize bytes_read = 0;
GIOStatus result;
result =
g_io_channel_read_chars (source, buf, sizeof (struct js_event),
&bytes_read, &err);
if (err) {
g_print ("error reading from joystick: %s", err->message);
g_clear_error (&err);
return FALSE;
} else if (bytes_read != sizeof (struct js_event)) {
g_print ("error reading joystick, read %u bytes of %u\n",
(guint) bytes_read, (guint) sizeof (struct js_event));
return TRUE;
} else if (result != G_IO_STATUS_NORMAL) {
g_print ("reading from joystick returned status %d", result);
}
switch (js->type & ~JS_EVENT_INIT) {
case JS_EVENT_AXIS:
if (js->number == 0) {
gdouble new_rate = (gdouble) (js->value) / 3000;
g_print ("Got: %d (rate %g)\n", js->value, new_rate);
if (shuttling)
gtk_adjustment_set_value (shuttle_adjustment, new_rate);
}
break;
}
return TRUE;
}
int
main (int argc, char **argv)
{
GtkWidget *window, *hbox, *vbox, *panel, *expander, *pb2vbox, *boxes,
*flaggrid, *boxes2, *step;
GtkWidget *play_button, *pause_button, *stop_button, *shot_button;
GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox, *flush_checkbox;
GtkWidget *scrub_checkbox, *play_scrub_checkbox;
GtkWidget *rate_label, *volume_label;
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},
{"joystick", 'j', 0, G_OPTION_ARG_STRING, &js_device,
"Joystick device to use", NULL},
{NULL}
};
GOptionContext *ctx;
GError *err = 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 ());
g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
g_option_context_free (ctx);
g_clear_error (&err);
exit (1);
}
g_option_context_free (ctx);
GST_DEBUG_CATEGORY_INIT (seek_debug, "seek", 0, "seek example");
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];
if (js_device == NULL)
js_device = g_strdup ("/dev/input/js0");
js_fd = g_open (js_device, O_RDONLY, 0);
if (js_fd < 0) {
g_print ("Failed to open joystick device %s\n", js_device);
exit (-1);
}
if (g_strrstr (pipeline_spec, "*") != NULL ||
g_strrstr (pipeline_spec, "?") != NULL) {
paths = handle_wildcards (pipeline_spec);
} else {
paths = g_list_prepend (paths, g_strdup (pipeline_spec));
}
if (!paths) {
g_print ("opening %s failed\n", pipeline_spec);
exit (-1);
}
l = paths;
pipeline = pipelines[pipeline_type].func ((gchar *) l->data);
g_assert (pipeline);
/* initialize gui elements ... */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
video_window = gtk_drawing_area_new ();
g_signal_connect (video_window, "draw", G_CALLBACK (draw_cb), NULL);
g_signal_connect (video_window, "realize", G_CALLBACK (realize_cb), NULL);
statusbar = gtk_statusbar_new ();
status_id = gtk_statusbar_get_context_id (GTK_STATUSBAR (statusbar), "seek");
gtk_statusbar_push (GTK_STATUSBAR (statusbar), status_id, "Stopped");
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
flaggrid = gtk_grid_new ();
gtk_container_set_border_width (GTK_CONTAINER (vbox), 3);
/* media controls */
play_button = gtk_button_new_from_icon_name ("media-playback-start",
GTK_ICON_SIZE_BUTTON);
pause_button = gtk_button_new_from_icon_name ("media-playback-pause",
GTK_ICON_SIZE_BUTTON);
stop_button = gtk_button_new_from_icon_name ("media-playback-stop",
GTK_ICON_SIZE_BUTTON);
/* 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");
skip_checkbox = gtk_check_button_new_with_label ("Play Skip");
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_widget_set_tooltip_text (accurate_checkbox,
"accurate position is requested, this might be considerably slower for some formats");
gtk_widget_set_tooltip_text (key_checkbox,
"seek to the nearest keyframe. This might be faster but less accurate");
gtk_widget_set_tooltip_text (loop_checkbox, "loop playback");
gtk_widget_set_tooltip_text (flush_checkbox, "flush pipeline after seeking");
gtk_widget_set_tooltip_text (rate_spinbutton, "define the playback rate, "
"negative value trigger reverse playback");
gtk_widget_set_tooltip_text (scrub_checkbox, "show images while seeking");
gtk_widget_set_tooltip_text (play_scrub_checkbox, "play video while seeking");
gtk_widget_set_tooltip_text (skip_checkbox,
"Skip frames while playing at high frame rates");
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);
/* step expander */
{
GtkWidget *hbox;
step = gtk_expander_new ("step options");
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
format_combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (format_combo),
"frames");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (format_combo),
"time (ms)");
gtk_combo_box_set_active (GTK_COMBO_BOX (format_combo), 0);
gtk_box_pack_start (GTK_BOX (hbox), format_combo, FALSE, FALSE, 2);
step_amount_spinbutton = gtk_spin_button_new_with_range (1, 1000, 1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (step_amount_spinbutton), 0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (step_amount_spinbutton), 1.0);
gtk_box_pack_start (GTK_BOX (hbox), step_amount_spinbutton, FALSE, FALSE,
2);
step_rate_spinbutton = gtk_spin_button_new_with_range (0.0, 100, 0.1);
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (step_rate_spinbutton), 3);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (step_rate_spinbutton), 1.0);
gtk_box_pack_start (GTK_BOX (hbox), step_rate_spinbutton, FALSE, FALSE, 2);
step_button = gtk_button_new_from_icon_name ("media-seek-forward",
GTK_ICON_SIZE_BUTTON);
gtk_button_set_label (GTK_BUTTON (step_button), "Step");
gtk_box_pack_start (GTK_BOX (hbox), step_button, FALSE, FALSE, 2);
g_signal_connect (G_OBJECT (step_button), "clicked", G_CALLBACK (step_cb),
pipeline);
/* shuttle scale */
shuttle_checkbox = gtk_check_button_new_with_label ("Shuttle");
gtk_box_pack_start (GTK_BOX (hbox), shuttle_checkbox, FALSE, FALSE, 2);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shuttle_checkbox), FALSE);
g_signal_connect (shuttle_checkbox, "toggled", G_CALLBACK (shuttle_toggled),
pipeline);
shuttle_adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, -3.00, 4.0, 0.1, 1.0, 1.0));
shuttle_hscale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL,
shuttle_adjustment);
gtk_scale_set_digits (GTK_SCALE (shuttle_hscale), 2);
gtk_scale_set_value_pos (GTK_SCALE (shuttle_hscale), GTK_POS_TOP);
g_signal_connect (shuttle_hscale, "value_changed",
G_CALLBACK (shuttle_value_changed), pipeline);
g_signal_connect (shuttle_hscale, "format_value",
G_CALLBACK (shuttle_format_value), pipeline);
gtk_box_pack_start (GTK_BOX (hbox), shuttle_hscale, TRUE, TRUE, 2);
gtk_container_add (GTK_CONTAINER (step), hbox);
}
/* seek bar */
adjustment =
GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, 100.0, 0.1, 1.0, 1.0));
hscale = gtk_scale_new (GTK_ORIENTATION_HORIZONTAL, adjustment);
gtk_scale_set_digits (GTK_SCALE (hscale), 2);
gtk_scale_set_value_pos (GTK_SCALE (hscale), GTK_POS_RIGHT);
gtk_range_set_show_fill_level (GTK_RANGE (hscale), TRUE);
gtk_range_set_fill_level (GTK_RANGE (hscale), 100.0);
g_signal_connect (hscale, "button_press_event", G_CALLBACK (start_seek),
pipeline);
g_signal_connect (hscale, "button_release_event", G_CALLBACK (stop_seek),
pipeline);
g_signal_connect (hscale, "format_value", G_CALLBACK (format_value),
pipeline);
if (pipeline_type == 16) {
/* the playbin panel controls for the video/audio/subtitle tracks */
panel = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
video_combo = gtk_combo_box_text_new ();
audio_combo = gtk_combo_box_text_new ();
text_combo = gtk_combo_box_text_new ();
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);
/* playbin panel for flag checkboxes and volume/mute */
boxes = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 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");
download_checkbox = gtk_check_button_new_with_label ("Download");
buffer_checkbox = gtk_check_button_new_with_label ("Buffer");
volume_label = gtk_label_new ("Volume");
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), video_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), audio_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), text_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), vis_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), mute_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), download_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), buffer_checkbox, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (boxes), volume_label, 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);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (download_checkbox), FALSE);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (buffer_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 (download_checkbox), "toggled",
G_CALLBACK (download_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (buffer_checkbox), "toggled",
G_CALLBACK (buffer_toggle_cb), pipeline);
g_signal_connect (G_OBJECT (volume_spinbutton), "value_changed",
G_CALLBACK (volume_spinbutton_changed_cb), pipeline);
/* playbin panel for snapshot */
boxes2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
shot_button = gtk_button_new_from_icon_name ("document-save",
GTK_ICON_SIZE_BUTTON);
gtk_widget_set_tooltip_text (shot_button,
"save a screenshot .png in the current directory");
g_signal_connect (G_OBJECT (shot_button), "clicked", G_CALLBACK (shot_cb),
pipeline);
vis_combo = gtk_combo_box_text_new ();
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);
/* FIXME: can we avoid this for audio only? */
gtk_widget_set_size_request (GTK_WIDGET (video_window), -1,
DEFAULT_VIDEO_HEIGHT);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_box_pack_start (GTK_BOX (vbox), video_window, TRUE, TRUE, 2);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 2);
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), flaggrid, FALSE, FALSE, 2);
gtk_grid_attach (GTK_GRID (flaggrid), accurate_checkbox, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), flush_checkbox, 1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), loop_checkbox, 2, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), key_checkbox, 0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), scrub_checkbox, 1, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), play_scrub_checkbox, 2, 1, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), skip_checkbox, 3, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), rate_label, 4, 0, 1, 1);
gtk_grid_attach (GTK_GRID (flaggrid), rate_spinbutton, 4, 1, 1, 1);
if (panel && boxes && boxes2) {
expander = gtk_expander_new ("playbin options");
pb2vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (pb2vbox), panel, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (pb2vbox), boxes, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (pb2vbox), boxes2, FALSE, FALSE, 2);
gtk_container_add (GTK_CONTAINER (expander), pb2vbox);
gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 2);
}
gtk_box_pack_start (GTK_BOX (vbox), step, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (vbox), hscale, FALSE, FALSE, 2);
gtk_box_pack_start (GTK_BOX (vbox), statusbar, FALSE, FALSE, 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 (skip_checkbox), "toggled",
G_CALLBACK (skip_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", delete_event_cb, NULL);
/* show the gui. */
gtk_widget_show_all (window);
/* realize window now so that the video window gets created and we can
* obtain its XID before the pipeline is started up and the videosink
* asks for the XID of the window to render ont