examples/seeking/seek.c: Added playbin seeking example.

Original commit message from CVS:
* examples/seeking/seek.c: (make_dv_pipeline), (make_avi_pipeline),
(make_mpeg_pipeline), (make_mpegnt_pipeline),
(make_playerbin_pipeline), (query_durations_elems),
(query_durations_pads), (query_positions_elems),
(query_positions_pads), (update_scale), (iterate), (stop_seek),
(main):
Added playbin seeking example.
This commit is contained in:
Wim Taymans 2004-07-08 15:43:24 +00:00
parent 80e1c85a12
commit f453e3e99c
2 changed files with 160 additions and 48 deletions

View file

@ -1,3 +1,13 @@
2004-07-08 Wim Taymans <wim@fluendo.com>
* examples/seeking/seek.c: (make_dv_pipeline), (make_avi_pipeline),
(make_mpeg_pipeline), (make_mpegnt_pipeline),
(make_playerbin_pipeline), (query_durations_elems),
(query_durations_pads), (query_positions_elems),
(query_positions_pads), (update_scale), (iterate), (stop_seek),
(main):
Added playbin seeking example.
2004-07-08 Thomas Vander Stichele <thomas (at) apestaart (dot) org>
* gst-libs/gst/play/play.c: (gst_play_set_location),

View file

@ -12,6 +12,8 @@ static GstElement *pipeline;
static guint64 duration;
static GtkAdjustment *adjustment;
static gboolean stats = FALSE;
static gboolean elem_seek = FALSE;
static gboolean verbose = FALSE;
static guint update_id;
@ -116,7 +118,7 @@ make_dv_pipeline (const gchar * location)
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");
videosink = gst_element_factory_make_or_warn ("ximagesink", "v_sink");
audiosink = gst_element_factory_make_or_warn ("osssink", "a_sink");
//g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);
@ -386,7 +388,7 @@ make_avi_pipeline (const gchar * location)
//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 ("ximagesink", "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");
@ -462,8 +464,8 @@ make_mpeg_pipeline (const gchar * location)
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");
v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
videosink = gst_element_factory_make_or_warn ("ximagesink", "v_sink");
gst_element_link_many (v_decoder, v_queue, v_filter, NULL);
gst_element_link (v_filter, videosink);
@ -530,8 +532,8 @@ make_mpegnt_pipeline (const gchar * location)
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");
v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter");
videosink = gst_element_factory_make_or_warn ("ximagesink", "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);
@ -551,7 +553,19 @@ make_mpegnt_pipeline (const gchar * location)
static GstElement *
make_playerbin_pipeline (const gchar * location)
{
return NULL;
GstElement *player;
player = gst_element_factory_make ("playbin", "player");
g_assert (player);
g_object_set (G_OBJECT (player), "uri", location, NULL);
seekable_elements = g_list_prepend (seekable_elements, player);
/* force element seeking on this pipeline */
elem_seek = TRUE;
return player;
}
static gchar *
@ -615,7 +629,37 @@ query_rates (void)
}
G_GNUC_UNUSED static void
query_durations ()
query_durations_elems ()
{
GList *walk = seekable_elements;
while (walk) {
GstElement *element = GST_ELEMENT (walk->data);
gint i = 0;
g_print ("durations %8.8s: ", GST_ELEMENT_NAME (element));
while (seek_formats[i].name) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, 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\n", GST_ELEMENT_NAME (element));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_durations_pads ()
{
GList *walk = seekable_pads;
@ -645,7 +689,37 @@ query_durations ()
}
G_GNUC_UNUSED static void
query_positions ()
query_positions_elems ()
{
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) {
gboolean res;
gint64 value;
GstFormat format;
format = seek_formats[i].format;
res = gst_element_query (element, 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\n", GST_ELEMENT_NAME (element));
walk = g_list_next (walk);
}
}
G_GNUC_UNUSED static void
query_positions_pads ()
{
GList *walk = seekable_pads;
@ -684,18 +758,35 @@ update_scale (gpointer data)
duration = 0;
clock = gst_bin_get_clock (GST_BIN (pipeline));
if (elem_seek) {
if (seekable_elements) {
GstElement *element = GST_ELEMENT (seekable_elements->data);
gst_element_query (element, GST_QUERY_TOTAL, &format, &duration);
gst_element_query (element, GST_QUERY_POSITION, &format, &position);
}
} else {
if (seekable_pads) {
GstPad *pad = GST_PAD (seekable_pads->data);
gst_pad_query (pad, GST_QUERY_TOTAL, &format, &duration);
gst_pad_query (pad, GST_QUERY_POSITION, &format, &position);
}
}
position = gst_clock_get_time (clock);
if (stats) {
if (clock) {
g_print ("clock: %13llu (%s)\n", position,
gst_object_get_name (GST_OBJECT (clock)));
query_durations ();
query_positions ();
}
if (elem_seek) {
query_durations_elems ();
query_positions_elems ();
} else {
query_durations_pads ();
query_positions_pads ();
}
query_rates ();
}
@ -711,7 +802,12 @@ iterate (gpointer data)
{
gboolean res;
if (!GST_FLAG_IS_SET (GST_OBJECT (data), GST_BIN_SELF_SCHEDULABLE)) {
res = gst_bin_iterate (GST_BIN (data));
} else {
res = gst_element_get_state (GST_ELEMENT (data)) == GST_STATE_PLAYING;
}
if (!res) {
gtk_timeout_remove (update_id);
g_print ("stopping iterations\n");
@ -735,7 +831,7 @@ stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
gboolean res;
GstEvent *s_event;
#ifdef PAD_SEEK
if (!elem_seek) {
GList *walk = seekable_pads;
while (walk) {
@ -751,7 +847,7 @@ stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
walk = g_list_next (walk);
}
#else
} else {
GList *walk = seekable_elements;
while (walk) {
@ -767,7 +863,7 @@ stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
walk = g_list_next (walk);
}
#endif
}
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_idle_add ((GtkFunction) iterate, pipeline);
@ -852,6 +948,10 @@ main (int argc, char **argv)
struct poptOption options[] = {
{"stats", 's', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &stats, 0,
"Show pad stats", NULL},
{"elem", 'e', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &elem_seek, 0,
"Seek on elements instead of pads", NULL},
{"verbose", 'v', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &verbose, 0,
"Verbose properties", NULL},
POPT_TABLEEND
};
gint type;
@ -916,8 +1016,10 @@ main (int argc, char **argv)
/* show the gui. */
gtk_widget_show_all (window);
if (verbose) {
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);