gstreamer/examples/seeking/seek.c

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#include <stdlib.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <gst/gst.h>
#include <string.h>
static GList *seekable_pads = NULL;
static GList *rate_pads = NULL;
static GList *seekable_elements = NULL;
static GstElement *pipeline;
static guint64 duration;
static GtkAdjustment *adjustment;
static gboolean stats = FALSE;
static guint update_id;
//#define SOURCE "gnomevfssrc"
#define SOURCE "filesrc"
#define UPDATE_INTERVAL 500
#define THREAD
#define PAD_SEEK
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)
{
dyn_link *connect = (dyn_link *) data;
if (!strcmp (gst_pad_get_name (newpad), connect->padname)) {
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_bin_add (GST_BIN (pipeline), connect->bin);
gst_pad_link (newpad, connect->target);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
seekable_pads = g_list_prepend (seekable_pads, newpad);
rate_pads = g_list_prepend (rate_pads, newpad);
}
}
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), "new_pad", 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 ("osssink", "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, *decoder, *audiosink, *videosink;
GstPad *seekable;
pipeline = gst_pipeline_new ("app");
src = gst_element_factory_make_or_warn (SOURCE, "src");
decoder = gst_element_factory_make_or_warn ("dvdec", "decoder");
videosink = gst_element_factory_make_or_warn ("xvideosink", "v_sink");
audiosink = gst_element_factory_make_or_warn ("osssink", "a_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_bin_add (GST_BIN (pipeline), videosink);
gst_element_link (src, decoder);
gst_element_link (decoder, audiosink);
gst_element_link (decoder, videosink);
seekable = gst_element_get_pad (decoder, "video");
seekable_pads = g_list_prepend (seekable_pads, seekable);
rate_pads = g_list_prepend (rate_pads, seekable);
seekable = gst_element_get_pad (decoder, "audio");
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_wav_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 ("wavparse", "decoder");
audiosink = gst_element_factory_make_or_warn ("osssink", "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_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 ("osssink", "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 ("osssink", "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;
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 ("vorbisfile", "decoder");
audiosink = gst_element_factory_make_or_warn ("osssink", "sink");
g_object_set (G_OBJECT (audiosink), "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), 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_mp3_pipeline (const gchar * location)
{
GstElement *pipeline;
GstElement *src, *decoder, *osssink, *queue, *audio_thread;
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 ("osssink", "sink");
audio_thread = gst_thread_new ("a_decoder_thread");
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 (audio_thread), queue);
gst_bin_add (GST_BIN (audio_thread), osssink);
gst_bin_add (GST_BIN (pipeline), audio_thread);
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, *audio_thread = NULL, *v_queue =
NULL, *video_thread = 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");
audio_thread = gst_thread_new ("a_decoder_thread");
audiosink = gst_element_factory_make_or_warn ("osssink", "a_sink");
//g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
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), audio_thread);
gst_bin_add (GST_BIN (audio_thread), a_queue);
gst_bin_add (GST_BIN (audio_thread), 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 ("identity", "v_dec");
//v_decoder = gst_element_factory_make_or_warn ("windec", "v_dec");
v_decoder = gst_element_factory_make_or_warn ("ffmpegdecall", "v_dec");
video_thread = gst_thread_new ("v_decoder_thread");
videosink = gst_element_factory_make_or_warn ("xvideosink", "v_sink");
//videosink = gst_element_factory_make_or_warn ("fakesink", "v_sink");
//g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
//g_object_set (G_OBJECT (v_queue), "max_level", 10, NULL);
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), video_thread);
gst_bin_add (GST_BIN (video_thread), v_queue);
gst_bin_add (GST_BIN (video_thread), 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, *audio_thread, *v_queue, *video_thread;
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", FALSE, 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");
audio_thread = gst_thread_new ("a_decoder_thread");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
audiosink = gst_element_factory_make_or_warn ("osssink", "a_sink");
g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, 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), audio_thread);
gst_bin_add (GST_BIN (audio_thread), a_queue);
gst_bin_add (GST_BIN (audio_thread), 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");
video_thread = gst_thread_new ("v_decoder_thread");
//g_object_set (G_OBJECT (video_thread), "priority", 2, NULL);
v_queue = gst_element_factory_make_or_warn ("queue", "v_queue");
v_filter = gst_element_factory_make_or_warn ("colorspace", "v_filter");
videosink = gst_element_factory_make_or_warn ("xvideosink", "v_sink");
gst_element_link_many (v_decoder, v_queue, v_filter, NULL);
gst_element_link (v_filter, videosink);
gst_bin_add_many (GST_BIN (video_bin), v_decoder, video_thread, NULL);
gst_bin_add_many (GST_BIN (video_thread), v_queue, 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_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_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, *audio_thread;
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");
audio_thread = gst_thread_new ("a_decoder_thread");
a_queue = gst_element_factory_make_or_warn ("queue", "a_queue");
audiosink = gst_element_factory_make_or_warn ("osssink", "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), audio_thread);
gst_bin_add (GST_BIN (audio_thread), a_queue);
gst_bin_add (GST_BIN (audio_thread), 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 ("colorspace", "v_filter");
videosink = gst_element_factory_make_or_warn ("xvideosink", "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)
{
return NULL;
}
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 ("%02lld:%02lld:%02lld",
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_convert (pad, GST_FORMAT_TIME, GST_SECOND, &format, &value)) {
g_print ("%s %13lld | ", 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_durations ()
{
GList *walk = seekable_pads;
while (walk) {
GstPad *pad = GST_PAD (walk->data);
gint i = 0;
g_print ("durations %8.8s: ", GST_PAD_NAME (pad));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_pad_query (pad, GST_QUERY_TOTAL, &format, &value);
if (res) {
g_print ("%s %13lld | ", 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 ()
{
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) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_pad_query (pad, GST_QUERY_POSITION, &format, &value);
if (res) {
g_print ("%s %13lld | ", 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);
}
}
static gboolean
update_scale (gpointer data)
{
GstClock *clock;
guint64 position;
GstFormat format = GST_FORMAT_TIME;
duration = 0;
clock = gst_bin_get_clock (GST_BIN (pipeline));
if (seekable_pads) {
GstPad *pad = GST_PAD (seekable_pads->data);
gst_pad_query (pad, GST_QUERY_TOTAL, &format, &duration);
}
position = gst_clock_get_time (clock);
if (stats) {
g_print ("clock: %13llu (%s)\n", position,
gst_object_get_name (GST_OBJECT (clock)));
query_durations ();
query_positions ();
query_rates ();
}
if (duration > 0) {
gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
}
return TRUE;
}
static gboolean
iterate (gpointer data)
{
gboolean res;
res = gst_bin_iterate (GST_BIN (data));
if (!res) {
gtk_timeout_remove (update_id);
g_print ("stopping iterations\n");
}
return res;
}
static gboolean
start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gtk_timeout_remove (update_id);
return FALSE;
}
static gboolean
stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
{
gint64 real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100;
gboolean res;
GstEvent *s_event;
#ifdef PAD_SEEK
GList *walk = seekable_pads;
while (walk) {
GstPad *seekable = GST_PAD (walk->data);
g_print ("seek to %lld on pad %s:%s\n", real,
GST_DEBUG_PAD_NAME (seekable));
s_event =
gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET |
GST_SEEK_FLAG_FLUSH, real);
res = gst_pad_send_event (seekable, s_event);
walk = g_list_next (walk);
}
#else
GList *walk = seekable_elements;
while (walk) {
GstElement *seekable = GST_ELEMENT (walk->data);
g_print ("seek to %lld on element %s\n", real,
gst_element_get_name (seekable));
s_event =
gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET |
GST_SEEK_FLAG_FLUSH, real);
res = gst_element_send_event (seekable, s_event);
walk = g_list_next (walk);
}
#endif
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_idle_add ((GtkFunction) iterate, pipeline);
update_id =
gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
return FALSE;
}
static void
play_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) {
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_idle_add ((GtkFunction) iterate, pipeline);
update_id =
gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
}
}
static void
pause_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_PAUSED) {
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gtk_timeout_remove (update_id);
}
}
static void
stop_cb (GtkButton * button, gpointer data)
{
if (gst_element_get_state (pipeline) != GST_STATE_READY) {
gst_element_set_state (pipeline, GST_STATE_READY);
gtk_timeout_remove (update_id);
}
}
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},
{"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},
{NULL, NULL},
};
#define NUM_TYPES ((sizeof (pipelines) / sizeof (Pipeline)) - 1)
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,
*play_button, *pause_button, *stop_button, *hscale;
struct poptOption options[] = {
{"stats", 's', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &stats, 0,
"Show pad stats", NULL},
POPT_TABLEEND
};
gint type;
gst_init_with_popt_table (&argc, &argv, options);
gtk_init (&argc, &argv);
if (argc != 3) {
print_usage (argc, argv);
exit (-1);
}
type = atoi (argv[1]);
if (type < 0 || type >= NUM_TYPES) {
print_usage (argc, argv);
exit (-1);
}
pipeline = pipelines[type].func (argv[2]);
g_assert (pipeline);
/* initialize gui elements ... */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
hbox = gtk_hbox_new (FALSE, 0);
vbox = gtk_vbox_new (FALSE, 0);
play_button = gtk_button_new_with_label ("play");
pause_button = gtk_button_new_with_label ("pause");
stop_button = gtk_button_new_with_label ("stop");
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);
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);
/* do the packing stuff ... */
gtk_window_set_default_size (GTK_WINDOW (window), 96, 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 (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 (window), "delete_event", gtk_main_quit, NULL);
/* show the gui. */
gtk_widget_show_all (window);
g_signal_connect (pipeline, "deep_notify",
G_CALLBACK (gst_element_default_deep_notify), NULL);
g_signal_connect (pipeline, "error", G_CALLBACK (gst_element_default_error),
NULL);
gtk_main ();
gst_element_set_state (pipeline, GST_STATE_NULL);
//gst_object_unref (GST_OBJECT (pipeline));
//g_mem_chunk_info();
return 0;
}