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examples/seeking/: Added some more examples, update others.
Original commit message from CVS: * examples/seeking/Makefile.am: * examples/seeking/cdplayer.c: (update_scale): * examples/seeking/chained.c: (unlinked), (new_pad), (main): * examples/seeking/playbin.c: (make_playerbin_pipeline), (format_value), (update_scale), (iterate), (start_seek), (stop_seek), (print_media_info), (play_cb), (pause_cb), (stop_cb), (print_usage), (main): Added some more examples, update others.
This commit is contained in:
Wim Taymans
parent
4daadb6269
commit
28c4ae43b2
5 changed files with 387 additions and 3 deletions
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2004-10-25 Wim Taymans <wim@fluendo.com>
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* examples/seeking/Makefile.am:
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* examples/seeking/cdplayer.c: (update_scale):
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* examples/seeking/chained.c: (unlinked), (new_pad), (main):
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* examples/seeking/playbin.c: (make_playerbin_pipeline),
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(format_value), (update_scale), (iterate), (start_seek),
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(stop_seek), (print_media_info), (play_cb), (pause_cb), (stop_cb),
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(print_usage), (main):
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Added some more examples, update others.
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2004-10-25 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
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* ext/flac/gstflacdec.c: (gst_flacdec_update_metadata):
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@ -1,4 +1,4 @@
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examples = seek spider_seek cdplayer cdparanoia vorbisfile
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examples = seek spider_seek cdplayer cdparanoia vorbisfile playbin chained
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noinst_PROGRAMS = $(examples)
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@ -131,9 +131,8 @@ update_scale (gpointer data)
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GstElement *element = GST_ELEMENT (seekable_elements->data);
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gst_element_query (element, GST_QUERY_TOTAL, &format, &duration);
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gst_element_query (element, GST_QUERY_POSITION, &format, &position);
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}
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if (clock)
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position = gst_clock_get_time (clock);
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if (stats) {
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if (clock)
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104
examples/seeking/chained.c
Normal file
104
examples/seeking/chained.c
Normal file
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@ -0,0 +1,104 @@
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#include <stdlib.h>
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#include <gst/gst.h>
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#include <string.h>
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static GstElement *bin;
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static void
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unlinked (GstPad * pad, GstPad * peerpad, GstElement * pipeline)
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{
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gst_bin_remove (GST_BIN (pipeline), bin);
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gst_element_set_state (bin, GST_STATE_READY);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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}
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static void
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new_pad (GstElement * elem, GstPad * newpad, GstElement * pipeline)
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{
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GstScheduler *sched;
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GstClock *clock;
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g_print ("new pad %s\n", gst_pad_get_name (newpad));
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gst_bin_add (GST_BIN (pipeline), bin);
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sched = gst_element_get_scheduler (GST_ELEMENT (pipeline));
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clock = gst_scheduler_get_clock (sched);
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gst_scheduler_set_clock (sched, clock);
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gst_pad_link (newpad, gst_element_get_pad (bin, "sink"));
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g_signal_connect (G_OBJECT (newpad), "unlinked", G_CALLBACK (unlinked),
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pipeline);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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}
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int
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main (int argc, char **argv)
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{
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GstElement *pipeline;
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GstElement *filesrc;
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GstElement *oggdemux;
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GstElement *vorbisdec;
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GstElement *audioconvert;
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GstElement *osssink;
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gst_init (&argc, &argv);
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if (argc < 2) {
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g_print ("usage: %s <oggfile>\n", argv[0]);
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return (-1);
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}
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pipeline = gst_pipeline_new ("pipeline");
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filesrc = gst_element_factory_make ("filesrc", "filesrc");
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g_assert (filesrc);
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g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
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oggdemux = gst_element_factory_make ("oggdemux", "oggdemux");
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g_assert (oggdemux);
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gst_bin_add (GST_BIN (pipeline), filesrc);
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gst_bin_add (GST_BIN (pipeline), oggdemux);
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gst_element_link_pads (filesrc, "src", oggdemux, "sink");
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g_signal_connect (G_OBJECT (oggdemux), "new_pad", G_CALLBACK (new_pad),
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pipeline);
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bin = gst_bin_new ("bin");
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vorbisdec = gst_element_factory_make ("vorbisdec", "vorbisdec");
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g_assert (vorbisdec);
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audioconvert = gst_element_factory_make ("audioconvert", "audioconvert");
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g_assert (audioconvert);
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osssink = gst_element_factory_make ("osssink", "osssink");
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g_assert (osssink);
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gst_bin_add (GST_BIN (bin), vorbisdec);
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gst_bin_add (GST_BIN (bin), audioconvert);
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gst_bin_add (GST_BIN (bin), osssink);
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gst_element_link_pads (vorbisdec, "src", audioconvert, "sink");
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gst_element_link_pads (audioconvert, "src", osssink, "sink");
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gst_element_add_ghost_pad (bin, gst_element_get_pad (vorbisdec, "sink"),
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"sink");
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g_object_ref (G_OBJECT (bin));
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g_signal_connect (pipeline, "deep_notify",
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G_CALLBACK (gst_element_default_deep_notify), NULL);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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while (gst_bin_iterate (GST_BIN (pipeline)))
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/* nop */ ;
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/* stop probe */
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gst_element_set_state (pipeline, GST_STATE_NULL);
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return 0;
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}
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270
examples/seeking/playbin.c
Normal file
270
examples/seeking/playbin.c
Normal file
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@ -0,0 +1,270 @@
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#include <stdlib.h>
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#include <glib.h>
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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#include <string.h>
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static GstElement *playbin = NULL;
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static GstElement *pipeline;
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static guint64 duration;
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static GtkAdjustment *adjustment;
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static GtkWidget *hscale;
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static gboolean verbose = FALSE;
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static guint update_id;
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#define UPDATE_INTERVAL 500
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static GstElement *
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make_playerbin_pipeline (const gchar * location)
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{
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playbin = gst_element_factory_make ("playbin", "player");
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g_assert (playbin);
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g_object_set (G_OBJECT (playbin), "uri", location, NULL);
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return playbin;
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}
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static gchar *
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format_value (GtkScale * scale, gdouble value)
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{
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gint64 real;
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gint64 seconds;
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gint64 subseconds;
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real = value * duration / 100;
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seconds = (gint64) real / GST_SECOND;
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subseconds = (gint64) real / (GST_SECOND / 100);
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return g_strdup_printf ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02"
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G_GINT64_FORMAT, seconds / 60, seconds % 60, subseconds % 100);
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}
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static gboolean
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update_scale (gpointer data)
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{
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GstClock *clock;
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guint64 position;
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GstFormat format = GST_FORMAT_TIME;
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gboolean res;
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duration = 0;
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clock = gst_bin_get_clock (GST_BIN (pipeline));
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res = gst_element_query (playbin, GST_QUERY_TOTAL, &format, &duration);
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if (!res)
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duration = 0;
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res = gst_element_query (playbin, GST_QUERY_POSITION, &format, &position);
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if (!res)
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position = 0;
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if (position >= duration)
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duration = position;
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if (duration > 0) {
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gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
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gtk_widget_queue_draw (hscale);
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}
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return TRUE;
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}
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static gboolean
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iterate (gpointer data)
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{
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gboolean res;
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if (!GST_FLAG_IS_SET (GST_OBJECT (data), GST_BIN_SELF_SCHEDULABLE)) {
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res = gst_bin_iterate (GST_BIN (data));
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} else {
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g_usleep (UPDATE_INTERVAL);
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res = gst_element_get_state (GST_ELEMENT (data)) == GST_STATE_PLAYING;
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}
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if (!res) {
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gtk_timeout_remove (update_id);
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g_print ("stopping iterations\n");
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}
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return res;
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}
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static gboolean
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start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
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{
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gtk_timeout_remove (update_id);
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return FALSE;
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}
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static gboolean
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stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data)
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{
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gint64 real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100;
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gboolean res;
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GstEvent *s_event;
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g_print ("seek to %" G_GINT64_FORMAT " on element %s\n", real,
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gst_element_get_name (playbin));
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s_event =
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gst_event_new_seek (GST_FORMAT_TIME | GST_SEEK_METHOD_SET |
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GST_SEEK_FLAG_FLUSH, real);
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res = gst_element_send_event (playbin, s_event);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gtk_idle_add ((GtkFunction) iterate, pipeline);
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update_id =
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gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline);
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return FALSE;
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}
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static void
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print_media_info (GstElement * playbin)
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{
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GList *streaminfo;
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GList *s;
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g_print ("have media info now\n");
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/* get info about the stream */
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g_object_get (G_OBJECT (playbin), "stream-info", &streaminfo, NULL);
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for (s = streaminfo; s; s = g_list_next (s)) {
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GObject *obj = G_OBJECT (s->data);
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gint type;
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gboolean mute;
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g_object_get (obj, "type", &type, NULL);
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g_object_get (obj, "mute", &mute, NULL);
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g_print ("%d %d\n", type, mute);
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}
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}
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static void
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play_cb (GtkButton * button, gpointer data)
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{
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if (gst_element_get_state (pipeline) != GST_STATE_PLAYING) {
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GstElementStateReturn res;
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res = gst_element_set_state (pipeline, GST_STATE_PAUSED);
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if (res == GST_STATE_SUCCESS) {
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print_media_info (playbin);
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res = gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gtk_idle_add ((GtkFunction) iterate, pipeline);
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update_id =
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gtk_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale,
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pipeline);
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} else {
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g_print ("failed playing\n");
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}
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}
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}
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static void
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pause_cb (GtkButton * button, gpointer data)
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{
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if (gst_element_get_state (pipeline) != GST_STATE_PAUSED) {
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gtk_timeout_remove (update_id);
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}
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}
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static void
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stop_cb (GtkButton * button, gpointer data)
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{
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if (gst_element_get_state (pipeline) != GST_STATE_READY) {
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gst_element_set_state (pipeline, GST_STATE_READY);
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gtk_adjustment_set_value (adjustment, 0.0);
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gtk_timeout_remove (update_id);
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}
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}
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static void
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print_usage (int argc, char **argv)
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{
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g_print ("usage: %s <uri>\n", argv[0]);
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}
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int
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main (int argc, char **argv)
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{
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GtkWidget *window, *hbox, *vbox, *play_button, *pause_button, *stop_button;
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struct poptOption options[] = {
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{"verbose", 'v', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &verbose, 0,
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"Verbose properties", NULL},
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POPT_TABLEEND
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};
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gst_init_with_popt_table (&argc, &argv, options);
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gtk_init (&argc, &argv);
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if (argc != 2) {
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print_usage (argc, argv);
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exit (-1);
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}
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pipeline = make_playerbin_pipeline (argv[1]);
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g_assert (pipeline);
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/* initialize gui elements ... */
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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hbox = gtk_hbox_new (FALSE, 0);
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vbox = gtk_vbox_new (FALSE, 0);
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play_button = gtk_button_new_with_label ("play");
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pause_button = gtk_button_new_with_label ("pause");
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stop_button = gtk_button_new_with_label ("stop");
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adjustment =
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GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 0.00, 100.0, 0.1, 1.0, 1.0));
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hscale = gtk_hscale_new (adjustment);
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gtk_scale_set_digits (GTK_SCALE (hscale), 2);
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gtk_range_set_update_policy (GTK_RANGE (hscale), GTK_UPDATE_CONTINUOUS);
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gtk_signal_connect (GTK_OBJECT (hscale),
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"button_press_event", G_CALLBACK (start_seek), pipeline);
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gtk_signal_connect (GTK_OBJECT (hscale),
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"button_release_event", G_CALLBACK (stop_seek), pipeline);
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gtk_signal_connect (GTK_OBJECT (hscale),
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"format_value", G_CALLBACK (format_value), pipeline);
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/* do the packing stuff ... */
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gtk_window_set_default_size (GTK_WINDOW (window), 96, 96);
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gtk_container_add (GTK_CONTAINER (window), vbox);
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gtk_container_add (GTK_CONTAINER (vbox), hbox);
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gtk_box_pack_start (GTK_BOX (hbox), play_button, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (hbox), pause_button, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (hbox), stop_button, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (vbox), hscale, TRUE, TRUE, 2);
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/* connect things ... */
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g_signal_connect (G_OBJECT (play_button), "clicked", G_CALLBACK (play_cb),
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pipeline);
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g_signal_connect (G_OBJECT (pause_button), "clicked", G_CALLBACK (pause_cb),
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pipeline);
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g_signal_connect (G_OBJECT (stop_button), "clicked", G_CALLBACK (stop_cb),
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pipeline);
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g_signal_connect (G_OBJECT (window), "delete_event", gtk_main_quit, NULL);
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/* show the gui. */
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gtk_widget_show_all (window);
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if (verbose) {
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g_signal_connect (pipeline, "deep_notify",
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G_CALLBACK (gst_element_default_deep_notify), NULL);
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}
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g_signal_connect (pipeline, "error", G_CALLBACK (gst_element_default_error),
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NULL);
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gtk_main ();
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (GST_OBJECT (pipeline));
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return 0;
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}
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