mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 10:41:04 +00:00
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:
parent
80e1c85a12
commit
f453e3e99c
2 changed files with 160 additions and 48 deletions
10
ChangeLog
10
ChangeLog
|
@ -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),
|
||||
|
|
|
@ -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 (seekable_pads) {
|
||||
GstPad *pad = GST_PAD (seekable_pads->data);
|
||||
if (elem_seek) {
|
||||
if (seekable_elements) {
|
||||
GstElement *element = GST_ELEMENT (seekable_elements->data);
|
||||
|
||||
gst_pad_query (pad, GST_QUERY_TOTAL, &format, &duration);
|
||||
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) {
|
||||
g_print ("clock: %13llu (%s)\n", position,
|
||||
gst_object_get_name (GST_OBJECT (clock)));
|
||||
query_durations ();
|
||||
query_positions ();
|
||||
if (clock) {
|
||||
g_print ("clock: %13llu (%s)\n", position,
|
||||
gst_object_get_name (GST_OBJECT (clock)));
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
res = gst_bin_iterate (GST_BIN (data));
|
||||
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");
|
||||
|
@ -735,39 +831,39 @@ stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
|
|||
gboolean res;
|
||||
GstEvent *s_event;
|
||||
|
||||
#ifdef PAD_SEEK
|
||||
GList *walk = seekable_pads;
|
||||
if (!elem_seek) {
|
||||
GList *walk = seekable_pads;
|
||||
|
||||
while (walk) {
|
||||
GstPad *seekable = GST_PAD (walk->data);
|
||||
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);
|
||||
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);
|
||||
res = gst_pad_send_event (seekable, s_event);
|
||||
|
||||
walk = g_list_next (walk);
|
||||
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);
|
||||
}
|
||||
}
|
||||
#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);
|
||||
|
@ -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);
|
||||
|
||||
g_signal_connect (pipeline, "deep_notify",
|
||||
G_CALLBACK (gst_element_default_deep_notify), NULL);
|
||||
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);
|
||||
|
||||
|
|
Loading…
Reference in a new issue