mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-09 10:59:39 +00:00
moving stuff
Original commit message from CVS: moving stuff
This commit is contained in:
Thomas Vander Stichele
parent
8833d29305
commit
cc62ce731c
2 changed files with 538 additions and 0 deletions
7
examples/seeking/Makefile.am
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7
examples/seeking/Makefile.am
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@ -0,0 +1,7 @@
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examples = seek
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noinst_PROGRAMS = $(examples)
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# we have nothing but apps here, we can do this safely
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LIBS = $(GST_LIBS) $(GTK_LIBS)
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CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)
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531
examples/seeking/seek.c
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531
examples/seeking/seek.c
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@ -0,0 +1,531 @@
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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 GList *seekables = NULL;
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static GList *rate_pads = NULL;
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static GstElement *pipeline;
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static guint64 duration, position;
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static GtkAdjustment *adjustment;
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static guint update_id;
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#define UPDATE_INTERVAL 500
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#define THREAD
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typedef struct
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{
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const gchar *padname;
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GstPad *target;
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GstElement *bin;
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} dyn_connect;
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static void
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dynamic_connect (GstPadTemplate *templ, GstPad *newpad, gpointer data)
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{
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dyn_connect *connect = (dyn_connect *) data;
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if (!strcmp (gst_pad_get_name (newpad), connect->padname)) {
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gst_element_set_state (pipeline, GST_STATE_PAUSED);
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gst_bin_add (GST_BIN (pipeline), connect->bin);
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gst_pad_connect (newpad, connect->target);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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seekables = g_list_prepend (seekables, newpad);
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rate_pads = g_list_prepend (rate_pads, newpad);
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}
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}
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static void
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setup_dynamic_connection (GstElement *element, const gchar *padname, GstPad *target, GstElement *bin)
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{
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dyn_connect *connect;
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connect = g_new0 (dyn_connect, 1);
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connect->padname = g_strdup (padname);
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connect->target = target;
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connect->bin = bin;
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g_signal_connect (G_OBJECT (element), "new_pad", G_CALLBACK (dynamic_connect), connect);
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}
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static GstElement*
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make_parse_pipeline (const gchar *location)
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{
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GstElement *pipeline;
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GstElement *src, *parser, *fakesink;
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GstPad *seekable;
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pipeline = gst_pipeline_new ("app");
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src = gst_element_factory_make ("filesrc", "src");
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parser = gst_element_factory_make ("mpegparse", "parse");
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fakesink = gst_element_factory_make ("fakesink", "sink");
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g_object_set (G_OBJECT (fakesink), "sync", TRUE, NULL);
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g_object_set (G_OBJECT (src), "location", location, NULL);
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gst_bin_add (GST_BIN (pipeline), src);
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gst_bin_add (GST_BIN (pipeline), parser);
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gst_bin_add (GST_BIN (pipeline), fakesink);
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gst_element_connect (src, parser);
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gst_element_connect (parser, fakesink);
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seekable = gst_element_get_pad (parser, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (parser, "sink"));
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return pipeline;
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}
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static GstElement*
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make_mp3_pipeline (const gchar *location)
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{
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GstElement *pipeline;
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GstElement *src, *decoder, *osssink;
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GstPad *seekable;
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pipeline = gst_pipeline_new ("app");
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src = gst_element_factory_make ("filesrc", "src");
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decoder = gst_element_factory_make ("mad", "dec");
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osssink = gst_element_factory_make ("osssink", "sink");
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g_object_set (G_OBJECT (src), "location", location, NULL);
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g_object_set (G_OBJECT (osssink), "fragment", 0x00180008, NULL);
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gst_bin_add (GST_BIN (pipeline), src);
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gst_bin_add (GST_BIN (pipeline), decoder);
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gst_bin_add (GST_BIN (pipeline), osssink);
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gst_element_connect (src, decoder);
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gst_element_connect (decoder, osssink);
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seekable = gst_element_get_pad (decoder, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (decoder, "sink"));
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return pipeline;
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}
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static GstElement*
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make_avi_pipeline (const gchar *location)
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{
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GstElement *pipeline, *audio_bin, *video_bin;
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GstElement *src, *demux, *a_decoder, *v_decoder, *audiosink, *videosink;
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GstElement *a_queue = NULL, *audio_thread = NULL, *v_queue = NULL, *video_thread = NULL;
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GstPad *seekable;
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pipeline = gst_pipeline_new ("app");
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src = gst_element_factory_make ("filesrc", "src");
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g_object_set (G_OBJECT (src), "location", location, NULL);
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demux = gst_element_factory_make ("avidemux", "demux");
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gst_bin_add (GST_BIN (pipeline), src);
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gst_bin_add (GST_BIN (pipeline), demux);
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gst_element_connect (src, demux);
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audio_bin = gst_bin_new ("a_decoder_bin");
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a_decoder = gst_element_factory_make ("mad", "a_dec");
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audio_thread = gst_thread_new ("a_decoder_thread");
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audiosink = gst_element_factory_make ("osssink", "a_sink");
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g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
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a_queue = gst_element_factory_make ("queue", "a_queue");
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gst_element_connect (a_decoder, a_queue);
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gst_element_connect (a_queue, audiosink);
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gst_bin_add (GST_BIN (audio_bin), a_decoder);
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gst_bin_add (GST_BIN (audio_bin), audio_thread);
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gst_bin_add (GST_BIN (audio_thread), a_queue);
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gst_bin_add (GST_BIN (audio_thread), audiosink);
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gst_element_set_state (audio_bin, GST_STATE_READY);
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setup_dynamic_connection (demux, "audio_00", gst_element_get_pad (a_decoder, "sink"), audio_bin);
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seekable = gst_element_get_pad (a_queue, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
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video_bin = gst_bin_new ("v_decoder_bin");
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//v_decoder = gst_element_factory_make ("identity", "v_dec");
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v_decoder = gst_element_factory_make ("windec", "v_dec");
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video_thread = gst_thread_new ("v_decoder_thread");
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videosink = gst_element_factory_make ("xvideosink", "v_sink");
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//videosink = gst_element_factory_make ("fakesink", "v_sink");
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//g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);
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v_queue = gst_element_factory_make ("queue", "v_queue");
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g_object_set (G_OBJECT (v_queue), "max_level", 10, NULL);
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gst_element_connect (v_decoder, v_queue);
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gst_element_connect (v_queue, videosink);
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gst_bin_add (GST_BIN (video_bin), v_decoder);
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gst_bin_add (GST_BIN (video_bin), video_thread);
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gst_bin_add (GST_BIN (video_thread), v_queue);
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gst_bin_add (GST_BIN (video_thread), videosink);
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gst_element_set_state (video_bin, GST_STATE_READY);
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setup_dynamic_connection (demux, "video_00", gst_element_get_pad (v_decoder, "sink"), video_bin);
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seekable = gst_element_get_pad (v_queue, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
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return pipeline;
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}
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static GstElement*
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make_mpeg_pipeline (const gchar *location)
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{
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GstElement *pipeline, *audio_bin, *video_bin;
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GstElement *src, *demux, *a_decoder, *v_decoder, *audiosink, *videosink;
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GstElement *a_queue, *audio_thread, *v_queue, *video_thread;
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GstPad *seekable;
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pipeline = gst_pipeline_new ("app");
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src = gst_element_factory_make ("filesrc", "src");
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g_object_set (G_OBJECT (src), "location", location, NULL);
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demux = gst_element_factory_make ("mpegdemux", "demux");
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g_object_set (G_OBJECT (demux), "sync", FALSE, NULL);
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gst_bin_add (GST_BIN (pipeline), src);
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gst_bin_add (GST_BIN (pipeline), demux);
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gst_element_connect (src, demux);
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audio_bin = gst_bin_new ("a_decoder_bin");
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a_decoder = gst_element_factory_make ("mad", "a_dec");
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audio_thread = gst_thread_new ("a_decoder_thread");
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a_queue = gst_element_factory_make ("queue", "a_queue");
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audiosink = gst_element_factory_make ("osssink", "a_sink");
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g_object_set (G_OBJECT (audiosink), "fragment", 0x00180008, NULL);
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gst_element_connect (a_decoder, a_queue);
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gst_element_connect (a_queue, audiosink);
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gst_bin_add (GST_BIN (audio_bin), a_decoder);
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gst_bin_add (GST_BIN (audio_bin), audio_thread);
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gst_bin_add (GST_BIN (audio_thread), a_queue);
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gst_bin_add (GST_BIN (audio_thread), audiosink);
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setup_dynamic_connection (demux, "audio_00", gst_element_get_pad (a_decoder, "sink"), audio_bin);
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seekable = gst_element_get_pad (a_queue, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (a_decoder, "sink"));
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video_bin = gst_bin_new ("v_decoder_bin");
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v_decoder = gst_element_factory_make ("mpeg2dec", "v_dec");
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video_thread = gst_thread_new ("v_decoder_thread");
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v_queue = gst_element_factory_make ("queue", "v_queue");
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videosink = gst_element_factory_make ("xvideosink", "v_sink");
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gst_element_connect (v_decoder, v_queue);
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gst_element_connect (v_queue, videosink);
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gst_bin_add (GST_BIN (video_bin), v_decoder);
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gst_bin_add (GST_BIN (video_bin), video_thread);
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gst_bin_add (GST_BIN (video_thread), v_queue);
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gst_bin_add (GST_BIN (video_thread), videosink);
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setup_dynamic_connection (demux, "video_00", gst_element_get_pad (v_decoder, "sink"), video_bin);
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seekable = gst_element_get_pad (v_queue, "src");
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seekables = g_list_prepend (seekables, seekable);
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rate_pads = g_list_prepend (rate_pads, seekable);
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rate_pads = g_list_prepend (rate_pads, gst_element_get_pad (v_decoder, "sink"));
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return pipeline;
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}
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static gchar*
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format_value (GtkScale *scale,
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gdouble value)
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{
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gint real = value * duration / 100;
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gint seconds = (gint) real/1000000;
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gint subseconds = (gint) real/10000;
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return g_strdup_printf ("%02d:%02d:%02d",
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seconds/60,
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seconds%60,
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subseconds%100);
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}
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typedef struct
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{
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const gchar *name;
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const GstFormat format;
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} seek_format;
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static seek_format seek_formats[] =
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{
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{ "tim", GST_FORMAT_TIME },
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{ "byt", GST_FORMAT_BYTES },
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{ "smp", GST_FORMAT_SAMPLES },
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{ "frm", GST_FORMAT_FRAMES },
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{ "fld", GST_FORMAT_FIELDS },
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{ "buf", GST_FORMAT_BUFFERS },
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{ "def", GST_FORMAT_DEFAULT },
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{ NULL, 0 },
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};
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G_GNUC_UNUSED static void
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query_rates (void)
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{
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GList *walk = rate_pads;
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while (walk) {
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GstPad *pad = GST_PAD (walk->data);
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gint i = 0;
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g_print ("rate/sec %8.8s: ", GST_PAD_NAME (pad));
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while (seek_formats[i].name) {
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gint64 value;
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GstFormat format;
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format = seek_formats[i].format;
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if (gst_pad_convert (pad, GST_FORMAT_TIME, GST_SECOND,
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&format, &value))
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{
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g_print ("%s %10lld | ", seek_formats[i].name, value);
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}
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else {
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g_print ("%s %10.10s | ", seek_formats[i].name, "*NA*");
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}
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i++;
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}
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g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
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walk = g_list_next (walk);
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}
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}
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G_GNUC_UNUSED static void
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query_durations (GstPad *pad)
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{
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gint i = 0;
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g_print ("durations %8.8s: ", GST_PAD_NAME (pad));
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while (seek_formats[i].name) {
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gboolean res;
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gint64 value;
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GstFormat format;
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format = seek_formats[i].format;
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res = gst_pad_query (pad, GST_PAD_QUERY_TOTAL, &format, &value);
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if (res) {
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g_print ("%s %10lld | ", seek_formats[i].name, value);
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if (seek_formats[i].format == GST_FORMAT_TIME)
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duration = value;
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}
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else {
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g_print ("%s %10.10s | ", seek_formats[i].name, "*NA*");
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}
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i++;
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}
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g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
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}
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G_GNUC_UNUSED static void
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query_positions (GstPad *pad)
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{
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gint i = 0;
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g_print ("positions %8.8s: ", GST_PAD_NAME (pad));
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while (seek_formats[i].name) {
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gboolean res;
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gint64 value;
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GstFormat format;
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format = seek_formats[i].format;
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res = gst_pad_query (pad, GST_PAD_QUERY_POSITION, &format, &value);
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if (res) {
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g_print ("%s %10lld | ", seek_formats[i].name, value);
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if (seek_formats[i].format == GST_FORMAT_TIME)
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position = value;
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}
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else {
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g_print ("%s %10.10s | ", seek_formats[i].name, "*NA*");
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}
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i++;
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}
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g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad));
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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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GList *walk = seekables;
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GstClock *clock;
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clock = gst_bin_get_clock (GST_BIN (pipeline));
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g_print ("clock: %10llu\n", gst_clock_get_time (clock));
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while (walk) {
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GstPad *pad = GST_PAD (walk->data);
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query_durations (pad);
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query_positions (pad);
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walk = g_list_next (walk);
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}
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query_rates ();
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if (duration > 0) {
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gtk_adjustment_set_value (adjustment, position * 100.0 / duration);
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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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res = gst_bin_iterate (GST_BIN (data));
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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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GList *walk = seekables;
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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);
|
||||
gst_event_free (s_event);
|
||||
|
||||
walk = g_list_next (walk);
|
||||
}
|
||||
|
||||
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)
|
||||
{
|
||||
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)
|
||||
{
|
||||
gst_element_set_state (pipeline, GST_STATE_PAUSED);
|
||||
gtk_timeout_remove (update_id);
|
||||
}
|
||||
|
||||
static void
|
||||
stop_cb (GtkButton * button, gpointer data)
|
||||
{
|
||||
gst_element_set_state (pipeline, GST_STATE_READY);
|
||||
gtk_timeout_remove (update_id);
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
GtkWidget *window, *hbox, *vbox,
|
||||
*play_button, *pause_button, *stop_button,
|
||||
*hscale;
|
||||
|
||||
gst_init (&argc, &argv);
|
||||
gtk_init (&argc, &argv);
|
||||
|
||||
if (argc != 3) {
|
||||
g_print ("usage: %s <type 0=mp3 1=avi 2=mpeg1 3=mpegparse> <filename>\n", argv[0]);
|
||||
exit (-1);
|
||||
}
|
||||
|
||||
if (atoi (argv[1]) == 0)
|
||||
pipeline = make_mp3_pipeline (argv[2]);
|
||||
else if (atoi (argv[1]) == 1)
|
||||
pipeline = make_avi_pipeline (argv[2]);
|
||||
else if (atoi (argv[1]) == 2)
|
||||
pipeline = make_mpeg_pipeline (argv[2]);
|
||||
else
|
||||
pipeline = make_parse_pipeline (argv[2]);
|
||||
|
||||
/* 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);
|
||||
|
||||
gtk_main ();
|
||||
|
||||
//g_mem_chunk_info();
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue