diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/tests/examples/seek/seek.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/tests/examples/seek/seek.c Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,2144 @@ +/* GStreamer + * + * seek.c: seeking sample application + * + * Copyright (C) 2005 Wim Taymans + * 2006 Stefan Kost + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/* FIXME: remove #if 0 code + * + */ +#include +#include +#include +#include +#include + +GST_DEBUG_CATEGORY_STATIC (seek_debug); +#define GST_CAT_DEFAULT (seek_debug) + +/* configuration */ + +//#define SOURCE "filesrc" +#define SOURCE "gnomevfssrc" + +#define ASINK "alsasink" +//#define ASINK "osssink" + +#define VSINK "xvimagesink" +//#define VSINK "sdlvideosink" +//#define VSINK "ximagesink" +//#define VSINK "aasink" +//#define VSINK "cacasink" + +//#define UPDATE_INTERVAL 500 +//#define UPDATE_INTERVAL 100 +#define UPDATE_INTERVAL 10 + +/* number of milliseconds to play for after a seek */ +#define SCRUB_TIME 100 + +/* timeout for gst_element_get_state() after a seek */ +#define SEEK_TIMEOUT 40 * GST_MSECOND + + +static GList *seekable_pads = NULL; +static GList *rate_pads = NULL; +static GList *seekable_elements = NULL; + +static gboolean accurate_seek = FALSE; +static gboolean keyframe_seek = FALSE; +static gboolean loop_seek = FALSE; +static gboolean flush_seek = TRUE; +static gboolean scrub = TRUE; +static gboolean play_scrub = FALSE; +static gdouble rate = 1.0; + +static GstElement *pipeline; +static gint pipeline_type; +static const gchar *pipeline_spec; +static gint64 position = -1; +static gint64 duration = -1; +static GtkAdjustment *adjustment; +static GtkWidget *hscale; +static gboolean stats = FALSE; +static gboolean elem_seek = FALSE; +static gboolean verbose = FALSE; + +static GstState state = GST_STATE_NULL; +static guint update_id = 0; +static guint seek_timeout_id = 0; +static gulong changed_id; + +static gint n_video = 0, n_audio = 0, n_text = 0; +static gboolean need_streams = TRUE; +static GtkWidget *video_combo, *audio_combo, *text_combo, *vis_combo; +static GtkWidget *vis_checkbox, *video_checkbox, *audio_checkbox; +static GtkWidget *text_checkbox, *mute_checkbox, *volume_spinbutton; + +/* we keep an array of the visualisation entries so that we can easily switch + * with the combo box index. */ +typedef struct +{ + GstElementFactory *factory; +} VisEntry; + +static GArray *vis_entries; + +static void clear_streams (GstElement * pipeline); + +/* pipeline construction */ + +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) +{ + gchar *padname; + dyn_link *connect = (dyn_link *) data; + + padname = gst_pad_get_name (newpad); + + if (connect->padname == NULL || !strcmp (padname, connect->padname)) { + if (connect->bin) + gst_bin_add (GST_BIN (pipeline), connect->bin); + gst_pad_link (newpad, connect->target); + + //seekable_pads = g_list_prepend (seekable_pads, newpad); + rate_pads = g_list_prepend (rate_pads, newpad); + } + g_free (padname); +} + +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), "pad-added", 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 (ASINK, "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, *demux, *decoder, *audiosink, *videosink; + GstElement *a_queue, *v_queue; + GstPad *seekable; + + pipeline = gst_pipeline_new ("app"); + + src = gst_element_factory_make_or_warn (SOURCE, "src"); + demux = gst_element_factory_make_or_warn ("dvdemux", "demuxer"); + v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); + decoder = gst_element_factory_make_or_warn ("ffdec_dvvideo", "decoder"); + videosink = gst_element_factory_make_or_warn (VSINK, "v_sink"); + a_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); + audiosink = gst_element_factory_make_or_warn ("alsasink", "a_sink"); + + g_object_set (G_OBJECT (src), "location", location, NULL); + + gst_bin_add (GST_BIN (pipeline), src); + gst_bin_add (GST_BIN (pipeline), demux); + gst_bin_add (GST_BIN (pipeline), a_queue); + gst_bin_add (GST_BIN (pipeline), audiosink); + gst_bin_add (GST_BIN (pipeline), v_queue); + gst_bin_add (GST_BIN (pipeline), decoder); + gst_bin_add (GST_BIN (pipeline), videosink); + + gst_element_link (src, demux); + gst_element_link (a_queue, audiosink); + gst_element_link (v_queue, decoder); + gst_element_link (decoder, videosink); + + setup_dynamic_link (demux, "video", gst_element_get_pad (v_queue, "sink"), + NULL); + setup_dynamic_link (demux, "audio", gst_element_get_pad (a_queue, "sink"), + NULL); + + seekable = gst_element_get_pad (decoder, "src"); + seekable_pads = g_list_prepend (seekable_pads, seekable); + rate_pads = g_list_prepend (rate_pads, seekable); + + return pipeline; +} + +static GstElement * +make_wav_pipeline (const gchar * location) +{ + GstElement *pipeline; + GstElement *src, *decoder, *audiosink; + + 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 (ASINK, "sink"); + + 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); + + setup_dynamic_link (decoder, "src", gst_element_get_pad (audiosink, "sink"), + NULL); + + seekable_elements = g_list_prepend (seekable_elements, audiosink); + + /* force element seeking on this pipeline */ + elem_seek = TRUE; + + 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 (ASINK, "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 (ASINK, "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, *audio_bin; + GstElement *src, *demux, *decoder, *convert, *audiosink; + GstPad *pad, *seekable; + + pipeline = gst_pipeline_new ("app"); + + src = gst_element_factory_make_or_warn (SOURCE, "src"); + demux = gst_element_factory_make_or_warn ("oggdemux", "demux"); + decoder = gst_element_factory_make_or_warn ("vorbisdec", "decoder"); + convert = gst_element_factory_make_or_warn ("audioconvert", "convert"); + audiosink = gst_element_factory_make_or_warn (ASINK, "sink"); + g_object_set (G_OBJECT (audiosink), "sync", TRUE, NULL); + + g_object_set (G_OBJECT (src), "location", location, NULL); + + audio_bin = gst_bin_new ("a_decoder_bin"); + + gst_bin_add (GST_BIN (pipeline), src); + gst_bin_add (GST_BIN (pipeline), demux); + gst_bin_add (GST_BIN (audio_bin), decoder); + gst_bin_add (GST_BIN (audio_bin), convert); + gst_bin_add (GST_BIN (audio_bin), audiosink); + gst_bin_add (GST_BIN (pipeline), audio_bin); + + gst_element_link (src, demux); + gst_element_link (decoder, convert); + gst_element_link (convert, audiosink); + + pad = gst_element_get_pad (decoder, "sink"); + gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"), + NULL); + + 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_theora_pipeline (const gchar * location) +{ + GstElement *pipeline, *video_bin; + GstElement *src, *demux, *decoder, *convert, *videosink; + GstPad *pad, *seekable; + + pipeline = gst_pipeline_new ("app"); + + src = gst_element_factory_make_or_warn (SOURCE, "src"); + demux = gst_element_factory_make_or_warn ("oggdemux", "demux"); + decoder = gst_element_factory_make_or_warn ("theoradec", "decoder"); + convert = gst_element_factory_make_or_warn ("ffmpegcolorspace", "convert"); + videosink = gst_element_factory_make_or_warn (VSINK, "sink"); + + g_object_set (G_OBJECT (src), "location", location, NULL); + + video_bin = gst_bin_new ("v_decoder_bin"); + + gst_bin_add (GST_BIN (pipeline), src); + gst_bin_add (GST_BIN (pipeline), demux); + gst_bin_add (GST_BIN (video_bin), decoder); + gst_bin_add (GST_BIN (video_bin), convert); + gst_bin_add (GST_BIN (video_bin), videosink); + gst_bin_add (GST_BIN (pipeline), video_bin); + + gst_element_link (src, demux); + gst_element_link (decoder, convert); + gst_element_link (convert, videosink); + + pad = gst_element_get_pad (decoder, "sink"); + gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"), + NULL); + + 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_vorbis_theora_pipeline (const gchar * location) +{ + GstElement *pipeline, *audio_bin, *video_bin; + GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert; + GstElement *audiosink, *videosink; + GstElement *a_queue, *v_queue, *v_scale; + GstPad *seekable; + GstPad *pad; + + 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 ("oggdemux", "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_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); + a_decoder = gst_element_factory_make_or_warn ("vorbisdec", "a_dec"); + a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert"); + audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink"); + + gst_bin_add (GST_BIN (pipeline), audio_bin); + + gst_bin_add (GST_BIN (audio_bin), a_queue); + gst_bin_add (GST_BIN (audio_bin), a_decoder); + gst_bin_add (GST_BIN (audio_bin), a_convert); + gst_bin_add (GST_BIN (audio_bin), audiosink); + + gst_element_link (a_queue, a_decoder); + gst_element_link (a_decoder, a_convert); + gst_element_link (a_convert, audiosink); + + pad = gst_element_get_pad (a_queue, "sink"); + gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"), + NULL); + + video_bin = gst_bin_new ("v_decoder_bin"); + v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); + v_decoder = gst_element_factory_make_or_warn ("theoradec", "v_dec"); + v_convert = + gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert"); + v_scale = gst_element_factory_make_or_warn ("videoscale", "v_scale"); + videosink = gst_element_factory_make_or_warn (VSINK, "v_sink"); + + gst_bin_add (GST_BIN (pipeline), video_bin); + + gst_bin_add (GST_BIN (video_bin), v_queue); + gst_bin_add (GST_BIN (video_bin), v_decoder); + gst_bin_add (GST_BIN (video_bin), v_convert); + gst_bin_add (GST_BIN (video_bin), v_scale); + gst_bin_add (GST_BIN (video_bin), videosink); + + gst_element_link_many (v_queue, v_decoder, v_convert, v_scale, videosink, + NULL); + + pad = gst_element_get_pad (v_queue, "sink"); + gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"), + NULL); + + seekable = gst_element_get_pad (a_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 (a_decoder, "sink")); + + return pipeline; +} + +static GstElement * +make_avi_msmpeg4v3_mp3_pipeline (const gchar * location) +{ + GstElement *pipeline, *audio_bin, *video_bin; + GstElement *src, *demux, *a_decoder, *a_convert, *v_decoder, *v_convert; + GstElement *audiosink, *videosink; + GstElement *a_queue, *v_queue; + GstPad *seekable, *pad; + + 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"); + + 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_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); + a_decoder = gst_element_factory_make_or_warn ("mad", "a_dec"); + a_convert = gst_element_factory_make_or_warn ("audioconvert", "a_convert"); + audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink"); + + gst_bin_add (GST_BIN (audio_bin), a_queue); + gst_bin_add (GST_BIN (audio_bin), a_decoder); + gst_bin_add (GST_BIN (audio_bin), a_convert); + gst_bin_add (GST_BIN (audio_bin), audiosink); + + gst_element_link (a_queue, a_decoder); + gst_element_link (a_decoder, a_convert); + gst_element_link (a_convert, audiosink); + + gst_bin_add (GST_BIN (pipeline), audio_bin); + + pad = gst_element_get_pad (a_queue, "sink"); + gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (audio_bin, "sink"), + NULL); + + video_bin = gst_bin_new ("v_decoder_bin"); + v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); + v_decoder = gst_element_factory_make_or_warn ("ffdec_msmpeg4", "v_dec"); + v_convert = + gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_convert"); + videosink = gst_element_factory_make_or_warn (VSINK, "v_sink"); + + gst_bin_add (GST_BIN (video_bin), v_queue); + gst_bin_add (GST_BIN (video_bin), v_decoder); + gst_bin_add (GST_BIN (video_bin), v_convert); + gst_bin_add (GST_BIN (video_bin), videosink); + + gst_element_link_many (v_queue, v_decoder, v_convert, videosink, NULL); + + gst_bin_add (GST_BIN (pipeline), video_bin); + + pad = gst_element_get_pad (v_queue, "sink"); + gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, NULL, gst_element_get_pad (video_bin, "sink"), + NULL); + + seekable = gst_element_get_pad (a_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 (a_decoder, "sink")); + + return pipeline; +} + +static GstElement * +make_mp3_pipeline (const gchar * location) +{ + GstElement *pipeline; + GstElement *src, *decoder, *osssink, *queue; + 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 (ASINK, "sink"); + + 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 (pipeline), queue); + gst_bin_add (GST_BIN (pipeline), osssink); + + 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, *v_queue = 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"); + audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink"); + 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), a_queue); + gst_bin_add (GST_BIN (audio_bin), 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 ("ffmpegdecall", "v_dec"); + videosink = gst_element_factory_make_or_warn (VSINK, "v_sink"); + v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); + 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), v_queue); + gst_bin_add (GST_BIN (video_bin), 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, *v_queue; + GstPad *seekable; + GstPad *pad; + + 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"); + demux = gst_element_factory_make_or_warn ("flupsdemux", "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"); + a_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); + audiosink = gst_element_factory_make_or_warn (ASINK, "a_sink"); + gst_bin_add (GST_BIN (audio_bin), a_decoder); + gst_bin_add (GST_BIN (audio_bin), a_queue); + gst_bin_add (GST_BIN (audio_bin), audiosink); + + gst_element_link (a_decoder, a_queue); + gst_element_link (a_queue, audiosink); + + gst_bin_add (GST_BIN (pipeline), audio_bin); + + pad = gst_element_get_pad (a_decoder, "sink"); + gst_element_add_pad (audio_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, "audio_c0", gst_element_get_pad (audio_bin, + "sink"), NULL); + + video_bin = gst_bin_new ("v_decoder_bin"); + v_decoder = gst_element_factory_make_or_warn ("mpeg2dec", "v_dec"); + v_queue = gst_element_factory_make_or_warn ("queue", "v_queue"); + v_filter = gst_element_factory_make_or_warn ("ffmpegcolorspace", "v_filter"); + videosink = gst_element_factory_make_or_warn (VSINK, "v_sink"); + + gst_bin_add (GST_BIN (video_bin), v_decoder); + gst_bin_add (GST_BIN (video_bin), v_queue); + gst_bin_add (GST_BIN (video_bin), v_filter); + gst_bin_add (GST_BIN (video_bin), videosink); + + gst_element_link (v_decoder, v_queue); + gst_element_link (v_queue, v_filter); + gst_element_link (v_filter, videosink); + + gst_bin_add (GST_BIN (pipeline), video_bin); + + pad = gst_element_get_pad (v_decoder, "sink"); + gst_element_add_pad (video_bin, gst_ghost_pad_new ("sink", pad)); + gst_object_unref (pad); + + setup_dynamic_link (demux, "video_e0", gst_element_get_pad (video_bin, + "sink"), NULL); + + seekable = gst_element_get_pad (v_filter, "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; + 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"); + a_queue = gst_element_factory_make_or_warn ("queue", "a_queue"); + audiosink = gst_element_factory_make_or_warn (ASINK, "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), a_queue); + gst_bin_add (GST_BIN (audio_bin), 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 ("ffmpegcolorspace", "v_filter"); + videosink = gst_element_factory_make_or_warn (VSINK, "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) +{ + 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 GstElement * +make_playerbin2_pipeline (const gchar * location) +{ + GstElement *player; + + player = gst_element_factory_make ("playbin2", "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; +} + +#ifndef GST_DISABLE_PARSE +static GstElement * +make_parselaunch_pipeline (const gchar * description) +{ + GstElement *pipeline; + GError *error; + + pipeline = gst_parse_launch (description, &error); + + seekable_elements = g_list_prepend (seekable_elements, pipeline); + + elem_seek = TRUE; + + return pipeline; +} +#endif + +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}, + {"theora", make_theora_pipeline}, + {"ogg/v/t", make_vorbis_theora_pipeline}, + {"avi/msmpeg4v3/mp3", make_avi_msmpeg4v3_mp3_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}, +#ifndef GST_DISABLE_PARSE + {"parse-launch", make_parselaunch_pipeline}, +#endif + {"playerbin2", make_playerbin2_pipeline}, + {NULL, NULL}, +}; + +#define NUM_TYPES ((sizeof (pipelines) / sizeof (Pipeline)) - 1) + +/* ui callbacks and helpers */ + +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 ("%02" G_GINT64_FORMAT ":%02" G_GINT64_FORMAT ":%02" + G_GINT64_FORMAT, 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_query_convert (pad, GST_FORMAT_TIME, GST_SECOND, &format, + &value)) { + g_print ("%s %13" G_GINT64_FORMAT " | ", 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_elems (void) +{ + 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) { + gint64 position, total; + GstFormat format; + + format = seek_formats[i].format; + + if (gst_element_query_position (element, &format, &position) && + gst_element_query_duration (element, &format, &total)) { + g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ", + seek_formats[i].name, position, total); + } else { + g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*", + "*NA*"); + } + i++; + } + g_print (" %s\n", GST_ELEMENT_NAME (element)); + + walk = g_list_next (walk); + } +} + +G_GNUC_UNUSED static void +query_positions_pads (void) +{ + 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) { + GstFormat format; + gint64 position, total; + + format = seek_formats[i].format; + + if (gst_pad_query_position (pad, &format, &position) && + gst_pad_query_duration (pad, &format, &total)) { + g_print ("%s %13" G_GINT64_FORMAT " / %13" G_GINT64_FORMAT " | ", + seek_formats[i].name, position, total); + } else { + g_print ("%s %13.13s / %13.13s | ", seek_formats[i].name, "*NA*", + "*NA*"); + } + + i++; + } + g_print (" %s:%s\n", GST_DEBUG_PAD_NAME (pad)); + + walk = g_list_next (walk); + } +} + +static gboolean start_seek (GtkWidget * widget, GdkEventButton * event, + gpointer user_data); +static gboolean stop_seek (GtkWidget * widget, GdkEventButton * event, + gpointer user_data); +static void seek_cb (GtkWidget * widget); + +static void +set_scale (gdouble value) +{ + g_signal_handlers_block_by_func (hscale, (void *) start_seek, + (void *) pipeline); + g_signal_handlers_block_by_func (hscale, (void *) stop_seek, + (void *) pipeline); + g_signal_handlers_block_by_func (hscale, (void *) seek_cb, (void *) pipeline); + gtk_adjustment_set_value (adjustment, value); + g_signal_handlers_unblock_by_func (hscale, (void *) start_seek, + (void *) pipeline); + g_signal_handlers_unblock_by_func (hscale, (void *) stop_seek, + (void *) pipeline); + g_signal_handlers_unblock_by_func (hscale, (void *) seek_cb, + (void *) pipeline); + gtk_widget_queue_draw (hscale); +} + +static gboolean +update_scale (gpointer data) +{ + GstFormat format = GST_FORMAT_TIME; + + //position = 0; + //duration = 0; + + if (elem_seek) { + if (seekable_elements) { + GstElement *element = GST_ELEMENT (seekable_elements->data); + + gst_element_query_position (element, &format, &position); + gst_element_query_duration (element, &format, &duration); + } + } else { + if (seekable_pads) { + GstPad *pad = GST_PAD (seekable_pads->data); + + gst_pad_query_position (pad, &format, &position); + gst_pad_query_duration (pad, &format, &duration); + } + } + + if (stats) { + if (elem_seek) { + query_positions_elems (); + } else { + query_positions_pads (); + } + query_rates (); + } + if (position >= duration) + duration = position; + + if (duration > 0) { + set_scale (position * 100.0 / duration); + } + + return TRUE; +} + +static void do_seek (GtkWidget * widget); +static void connect_bus_signals (GstElement * pipeline); +static void set_update_scale (gboolean active); + +static gboolean +end_scrub (GtkWidget * widget) +{ + GST_DEBUG ("end scrub, PAUSE"); + gst_element_set_state (pipeline, GST_STATE_PAUSED); + seek_timeout_id = 0; + + return FALSE; +} + +static gboolean +send_event (GstEvent * event) +{ + gboolean res = FALSE; + + if (!elem_seek) { + GList *walk = seekable_pads; + + while (walk) { + GstPad *seekable = GST_PAD (walk->data); + + GST_DEBUG ("send event on pad %s:%s", GST_DEBUG_PAD_NAME (seekable)); + + gst_event_ref (event); + res = gst_pad_send_event (seekable, event); + + walk = g_list_next (walk); + } + } else { + GList *walk = seekable_elements; + + while (walk) { + GstElement *seekable = GST_ELEMENT (walk->data); + + GST_DEBUG ("send event on element %s", GST_ELEMENT_NAME (seekable)); + + gst_event_ref (event); + res = gst_element_send_event (seekable, event); + + walk = g_list_next (walk); + } + } + gst_event_unref (event); + return res; +} + +static void +do_seek (GtkWidget * widget) +{ + gint64 real; + gboolean res = FALSE; + GstEvent *s_event; + GstSeekFlags flags; + + real = gtk_range_get_value (GTK_RANGE (widget)) * duration / 100; + + flags = 0; + if (flush_seek) + flags |= GST_SEEK_FLAG_FLUSH; + if (accurate_seek) + flags |= GST_SEEK_FLAG_ACCURATE; + if (keyframe_seek) + flags |= GST_SEEK_FLAG_KEY_UNIT; + if (loop_seek) + flags |= GST_SEEK_FLAG_SEGMENT; + + if (rate >= 0) { + s_event = gst_event_new_seek (rate, + GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, real, GST_SEEK_TYPE_SET, -1); + GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT, + rate, GST_TIME_ARGS (real), GST_TIME_ARGS (duration)); + } else { + s_event = gst_event_new_seek (rate, + GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0), + GST_SEEK_TYPE_SET, real); + GST_DEBUG ("seek with rate %lf to %" GST_TIME_FORMAT " / %" GST_TIME_FORMAT, + rate, GST_TIME_ARGS (0), GST_TIME_ARGS (real)); + } + + res = send_event (s_event); + + if (res) { + if (flush_seek) { + gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT); + } else { + set_update_scale (TRUE); + } + } else { + g_print ("seek failed\n"); + set_update_scale (TRUE); + } +} + +static void +seek_cb (GtkWidget * widget) +{ + /* If the timer hasn't expired yet, then the pipeline is running */ + if (play_scrub && seek_timeout_id != 0) { + GST_DEBUG ("do scrub seek, PAUSED"); + gst_element_set_state (pipeline, GST_STATE_PAUSED); + } + + GST_DEBUG ("do seek"); + do_seek (widget); + + if (play_scrub) { + GST_DEBUG ("do scrub seek, PLAYING"); + gst_element_set_state (pipeline, GST_STATE_PLAYING); + + if (seek_timeout_id == 0) { + seek_timeout_id = + g_timeout_add (SCRUB_TIME, (GSourceFunc) end_scrub, widget); + } + } +} + +static void +set_update_scale (gboolean active) +{ + + GST_DEBUG ("update scale is %d", active); + + if (active) { + if (update_id == 0) { + update_id = + g_timeout_add (UPDATE_INTERVAL, (GtkFunction) update_scale, pipeline); + } + } else { + if (update_id) { + g_source_remove (update_id); + update_id = 0; + } + } +} + +static gboolean +start_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data) +{ + if (event->type != GDK_BUTTON_PRESS) + return FALSE; + + set_update_scale (FALSE); + + if (state == GST_STATE_PLAYING && flush_seek && scrub) { + GST_DEBUG ("start scrub seek, PAUSE"); + gst_element_set_state (pipeline, GST_STATE_PAUSED); + } + + if (changed_id == 0 && flush_seek && scrub) { + changed_id = gtk_signal_connect (GTK_OBJECT (hscale), + "value_changed", G_CALLBACK (seek_cb), pipeline); + } + + return FALSE; +} + +static gboolean +stop_seek (GtkWidget * widget, GdkEventButton * event, gpointer user_data) +{ + if (changed_id) { + g_signal_handler_disconnect (GTK_OBJECT (hscale), changed_id); + changed_id = 0; + } + + if (!flush_seek || !scrub) { + GST_DEBUG ("do final seek"); + do_seek (widget); + } + + if (seek_timeout_id != 0) { + g_source_remove (seek_timeout_id); + seek_timeout_id = 0; + /* Still scrubbing, so the pipeline is playing, see if we need PAUSED + * instead. */ + if (state == GST_STATE_PAUSED) { + GST_DEBUG ("stop scrub seek, PAUSED"); + gst_element_set_state (pipeline, GST_STATE_PAUSED); + } + } else { + if (state == GST_STATE_PLAYING) { + GST_DEBUG ("stop scrub seek, PLAYING"); + gst_element_set_state (pipeline, GST_STATE_PLAYING); + } + } + + return FALSE; +} + +static void +play_cb (GtkButton * button, gpointer data) +{ + GstStateChangeReturn ret; + + if (state != GST_STATE_PLAYING) { + g_print ("PLAY pipeline\n"); + ret = gst_element_set_state (pipeline, GST_STATE_PLAYING); + if (ret == GST_STATE_CHANGE_FAILURE) + goto failed; + //do_seek(hscale); + + state = GST_STATE_PLAYING; + } + return; + +failed: + { + g_print ("PLAY failed\n"); + } +} + +static void +pause_cb (GtkButton * button, gpointer data) +{ + if (state != GST_STATE_PAUSED) { + GstStateChangeReturn ret; + + g_print ("PAUSE pipeline\n"); + ret = gst_element_set_state (pipeline, GST_STATE_PAUSED); + if (ret == GST_STATE_CHANGE_FAILURE) + goto failed; + + state = GST_STATE_PAUSED; + } + return; + +failed: + { + g_print ("PAUSE failed\n"); + } +} + +static void +stop_cb (GtkButton * button, gpointer data) +{ + if (state != GST_STATE_READY) { + GstStateChangeReturn ret; + + g_print ("READY pipeline\n"); + ret = gst_element_set_state (pipeline, GST_STATE_READY); + if (ret == GST_STATE_CHANGE_FAILURE) + goto failed; + + state = GST_STATE_READY; + + set_update_scale (FALSE); + set_scale (0.0); + + if (pipeline_type == 16) + clear_streams (pipeline); + + /* if one uses parse_launch, play, stop and play again it fails as all the + * pads after the demuxer can't be reconnected + */ + if (!strcmp (pipelines[pipeline_type].name, "parse-launch")) { + gst_element_set_state (pipeline, GST_STATE_NULL); + gst_object_unref (pipeline); + + pipeline = pipelines[pipeline_type].func (pipeline_spec); + g_assert (pipeline); + gst_element_set_state (pipeline, GST_STATE_READY); + connect_bus_signals (pipeline); + } + } + return; + +failed: + { + g_print ("STOP failed\n"); + } +} + +static void +accurate_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + accurate_seek = gtk_toggle_button_get_active (button); +} + +static void +key_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + keyframe_seek = gtk_toggle_button_get_active (button); +} + +static void +loop_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + loop_seek = gtk_toggle_button_get_active (button); + if (state == GST_STATE_PLAYING) { + do_seek (hscale); + } +} + +static void +flush_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + flush_seek = gtk_toggle_button_get_active (button); +} + +static void +scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + scrub = gtk_toggle_button_get_active (button); +} + +static void +play_scrub_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + play_scrub = gtk_toggle_button_get_active (button); +} + +static void +rate_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline) +{ + gboolean res = FALSE; + GstEvent *s_event; + GstSeekFlags flags; + + rate = gtk_spin_button_get_value (button); + + flags = 0; + if (flush_seek) + flags |= GST_SEEK_FLAG_FLUSH; + if (loop_seek) + flags |= GST_SEEK_FLAG_SEGMENT; + if (accurate_seek) + flags |= GST_SEEK_FLAG_ACCURATE; + if (keyframe_seek) + flags |= GST_SEEK_FLAG_KEY_UNIT; + + if (rate >= 0) { + s_event = gst_event_new_seek (rate, + GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, position, + GST_SEEK_TYPE_SET, -1); + } else { + s_event = gst_event_new_seek (rate, + GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0), + GST_SEEK_TYPE_SET, position); + } + + GST_DEBUG ("rate changed to %lf", rate); + + res = send_event (s_event); + + if (res) { + if (flush_seek) { + gst_element_get_state (GST_ELEMENT (pipeline), NULL, NULL, SEEK_TIMEOUT); + } + } else + g_print ("seek failed\n"); +} + +static void +update_flag (GstPipeline * pipeline, gint num, gboolean state) +{ + gint flags; + + g_object_get (pipeline, "flags", &flags, NULL); + if (state) + flags |= (1 << num); + else + flags &= ~(1 << num); + g_object_set (pipeline, "flags", flags, NULL); +} + +static void +vis_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + gboolean state; + + state = gtk_toggle_button_get_active (button); + update_flag (pipeline, 3, state); + gtk_widget_set_sensitive (vis_combo, state); +} + +static void +audio_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + update_flag (pipeline, 1, gtk_toggle_button_get_active (button)); +} + +static void +video_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + update_flag (pipeline, 0, gtk_toggle_button_get_active (button)); +} + +static void +text_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + update_flag (pipeline, 2, gtk_toggle_button_get_active (button)); +} + +static void +mute_toggle_cb (GtkToggleButton * button, GstPipeline * pipeline) +{ + gboolean mute; + + mute = gtk_toggle_button_get_active (button); + g_object_set (pipeline, "mute", mute, NULL); +} + +static void +clear_streams (GstElement * pipeline) +{ + gint i; + + /* remove previous info */ + for (i = 0; i < n_video; i++) + gtk_combo_box_remove_text (GTK_COMBO_BOX (video_combo), 0); + for (i = 0; i < n_audio; i++) + gtk_combo_box_remove_text (GTK_COMBO_BOX (audio_combo), 0); + for (i = 0; i < n_text; i++) + gtk_combo_box_remove_text (GTK_COMBO_BOX (text_combo), 0); + + n_audio = n_video = n_text = 0; + gtk_widget_set_sensitive (video_combo, FALSE); + gtk_widget_set_sensitive (audio_combo, FALSE); + gtk_widget_set_sensitive (text_combo, FALSE); + + need_streams = TRUE; +} + +static void +update_streams (GstPipeline * pipeline) +{ + gint i; + + if (pipeline_type == 16 && need_streams) { + GstTagList *tags; + gchar *name; + gint active_idx; + + /* remove previous info */ + clear_streams (GST_ELEMENT_CAST (pipeline)); + + /* here we get and update the different streams detected by playbin2 */ + g_object_get (pipeline, "n-video", &n_video, NULL); + g_object_get (pipeline, "n-audio", &n_audio, NULL); + g_object_get (pipeline, "n-text", &n_text, NULL); + + g_print ("video %d, audio %d, text %d\n", n_video, n_audio, n_text); + + active_idx = 0; + for (i = 0; i < n_video; i++) { + g_signal_emit_by_name (pipeline, "get-video-tags", i, &tags); + /* find good name for the label */ + name = g_strdup_printf ("video %d", i + 1); + gtk_combo_box_append_text (GTK_COMBO_BOX (video_combo), name); + g_free (name); + } + gtk_widget_set_sensitive (video_combo, n_video > 0); + gtk_combo_box_set_active (GTK_COMBO_BOX (video_combo), active_idx); + + active_idx = 0; + for (i = 0; i < n_audio; i++) { + g_signal_emit_by_name (pipeline, "get-audio-tags", i, &tags); + /* find good name for the label */ + name = g_strdup_printf ("audio %d", i + 1); + gtk_combo_box_append_text (GTK_COMBO_BOX (audio_combo), name); + g_free (name); + } + gtk_widget_set_sensitive (audio_combo, n_audio > 0); + gtk_combo_box_set_active (GTK_COMBO_BOX (audio_combo), active_idx); + + active_idx = 0; + for (i = 0; i < n_text; i++) { + g_signal_emit_by_name (pipeline, "get-text-tags", i, &tags); + /* find good name for the label */ + name = g_strdup_printf ("text %d", i + 1); + gtk_combo_box_append_text (GTK_COMBO_BOX (text_combo), name); + g_free (name); + } + gtk_widget_set_sensitive (text_combo, n_text > 0); + gtk_combo_box_set_active (GTK_COMBO_BOX (text_combo), active_idx); + + need_streams = FALSE; + } +} + +static void +video_combo_cb (GtkComboBox * combo, GstPipeline * pipeline) +{ + g_object_set (pipeline, "current-video", gtk_combo_box_get_active (combo), + NULL); +} + +static void +audio_combo_cb (GtkComboBox * combo, GstPipeline * pipeline) +{ + g_object_set (pipeline, "current-audio", gtk_combo_box_get_active (combo), + NULL); +} + +static void +text_combo_cb (GtkComboBox * combo, GstPipeline * pipeline) +{ + g_object_set (pipeline, "current-text", gtk_combo_box_get_active (combo), + NULL); +} + +static gboolean +filter_features (GstPluginFeature * feature, gpointer data) +{ + GstElementFactory *f; + + if (!GST_IS_ELEMENT_FACTORY (feature)) + return FALSE; + f = GST_ELEMENT_FACTORY (feature); + if (!g_strrstr (gst_element_factory_get_klass (f), "Visualization")) + return FALSE; + + return TRUE; +} + +static void +init_visualization_features (void) +{ + GList *list, *walk; + + vis_entries = g_array_new (FALSE, FALSE, sizeof (VisEntry)); + + list = gst_registry_feature_filter (gst_registry_get_default (), + filter_features, FALSE, NULL); + + for (walk = list; walk; walk = g_list_next (walk)) { + VisEntry entry; + const gchar *name; + + entry.factory = GST_ELEMENT_FACTORY (walk->data); + name = gst_element_factory_get_longname (entry.factory); + + g_array_append_val (vis_entries, entry); + gtk_combo_box_append_text (GTK_COMBO_BOX (vis_combo), name); + } + gtk_combo_box_set_active (GTK_COMBO_BOX (vis_combo), 0); +} + +static void +vis_combo_cb (GtkComboBox * combo, GstPipeline * pipeline) +{ + guint index; + VisEntry *entry; + GstElement *element; + + /* get the selected index and get the factory for this index */ + index = gtk_combo_box_get_active (GTK_COMBO_BOX (vis_combo)); + entry = &g_array_index (vis_entries, VisEntry, index); + /* create an instance of the element from the factory */ + element = gst_element_factory_create (entry->factory, NULL); + if (!element) + return; + + /* set vis plugin for playbin2 */ + g_object_set (pipeline, "vis-plugin", element, NULL); +} + +static void +volume_spinbutton_changed_cb (GtkSpinButton * button, GstPipeline * pipeline) +{ + gdouble volume; + + volume = gtk_spin_button_get_value (button); + + g_object_set (pipeline, "volume", volume, NULL); +} + +static void +shot_cb (GtkButton * button, gpointer data) +{ + GstBuffer *buffer; + GstCaps *caps; + + /* convert to our desired format (RGB24) */ + caps = gst_caps_new_simple ("video/x-raw-rgb", + "bpp", G_TYPE_INT, 24, "depth", G_TYPE_INT, 24, + /* Note: we don't ask for a specific width/height here, so that + * videoscale can adjust dimensions from a non-1/1 pixel aspect + * ratio to a 1/1 pixel-aspect-ratio */ + "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, + "endianness", G_TYPE_INT, G_BIG_ENDIAN, + "red_mask", G_TYPE_INT, 0xff0000, + "green_mask", G_TYPE_INT, 0x00ff00, + "blue_mask", G_TYPE_INT, 0x0000ff, NULL); + + /* convert the latest frame to the requested format */ + g_signal_emit_by_name (pipeline, "convert-frame", caps, &buffer); + gst_caps_unref (caps); + + if (buffer) { + GstCaps *caps; + GstStructure *s; + gboolean res; + gint width, height; + GdkPixbuf *pixbuf; + GError *error = NULL; + + /* get the snapshot buffer format now. We set the caps on the appsink so + * that it can only be an rgb buffer. The only thing we have not specified + * on the caps is the height, which is dependant on the pixel-aspect-ratio + * of the source material */ + caps = GST_BUFFER_CAPS (buffer); + if (!caps) { + g_warning ("could not get snapshot format\n"); + goto done; + } + s = gst_caps_get_structure (caps, 0); + + /* we need to get the final caps on the buffer to get the size */ + res = gst_structure_get_int (s, "width", &width); + res |= gst_structure_get_int (s, "height", &height); + if (!res) { + g_warning ("could not get snapshot dimension\n"); + goto done; + } + + /* create pixmap from buffer and save, gstreamer video buffers have a stride + * that is rounded up to the nearest multiple of 4 */ + pixbuf = gdk_pixbuf_new_from_data (GST_BUFFER_DATA (buffer), + GDK_COLORSPACE_RGB, FALSE, 8, width, height, + GST_ROUND_UP_4 (width * 3), NULL, NULL); + + /* save the pixbuf */ + gdk_pixbuf_save (pixbuf, "snapshot.png", "png", &error, NULL); + + done: + gst_buffer_unref (buffer); + } +} + +static void +message_received (GstBus * bus, GstMessage * message, GstPipeline * pipeline) +{ + const GstStructure *s; + + s = gst_message_get_structure (message); + g_print ("message from \"%s\" (%s): ", + GST_STR_NULL (GST_ELEMENT_NAME (GST_MESSAGE_SRC (message))), + gst_message_type_get_name (GST_MESSAGE_TYPE (message))); + if (s) { + gchar *sstr; + + sstr = gst_structure_to_string (s); + g_print ("%s\n", sstr); + g_free (sstr); + } else { + g_print ("no message details\n"); + } +} + +static void +msg_async_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline) +{ + GST_DEBUG ("async done"); + /* when we get ASYNC_DONE we can query position, duration and other + * properties */ + update_scale (pipeline); + + /* update the available streams */ + update_streams (pipeline); +} + +static void +msg_state_changed (GstBus * bus, GstMessage * message, GstPipeline * pipeline) +{ + const GstStructure *s; + + s = gst_message_get_structure (message); + + /* We only care about state changed on the pipeline */ + if (s && GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) { + GstState old, new, pending; + + gst_message_parse_state_changed (message, &old, &new, &pending); + + /* When state of the pipeline changes to paused or playing we start updating scale */ + if (new == GST_STATE_PLAYING) { + set_update_scale (TRUE); + } else { + set_update_scale (FALSE); + } + } +} + +static void +msg_segment_done (GstBus * bus, GstMessage * message, GstPipeline * pipeline) +{ + GstEvent *s_event; + GstSeekFlags flags; + gboolean res; + GstFormat format; + + GST_DEBUG ("position is %" GST_TIME_FORMAT, GST_TIME_ARGS (position)); + gst_message_parse_segment_done (message, &format, &position); + GST_DEBUG ("end of segment at %" GST_TIME_FORMAT, GST_TIME_ARGS (position)); + + flags = 0; + /* in the segment-done callback we never flush as this would not make sense + * for seamless playback. */ + if (loop_seek) + flags = GST_SEEK_FLAG_SEGMENT; + + s_event = gst_event_new_seek (rate, + GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0), + GST_SEEK_TYPE_SET, duration); + + GST_DEBUG ("restart loop with rate %lf to 0 / %" GST_TIME_FORMAT, + rate, GST_TIME_ARGS (duration)); + + res = send_event (s_event); + if (!res) + g_print ("segment seek failed\n"); +} + +static void +connect_bus_signals (GstElement * pipeline) +{ + GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + + gst_bus_add_signal_watch_full (bus, G_PRIORITY_HIGH); + + g_signal_connect (bus, "message::state-changed", + (GCallback) msg_state_changed, pipeline); + g_signal_connect (bus, "message::segment-done", (GCallback) msg_segment_done, + pipeline); + g_signal_connect (bus, "message::async-done", (GCallback) msg_async_done, + pipeline); + + g_signal_connect (bus, "message::new-clock", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::error", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::warning", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::eos", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::tag", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::element", (GCallback) message_received, + pipeline); + g_signal_connect (bus, "message::segment-done", (GCallback) message_received, + pipeline); + + gst_object_unref (bus); +} + +static void +print_usage (int argc, char **argv) +{ + gint i; + + g_print ("usage: %s \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, *panel, *boxes, *flagtable, *boxes2; + GtkWidget *play_button, *pause_button, *stop_button, *shot_button; + GtkWidget *accurate_checkbox, *key_checkbox, *loop_checkbox, *flush_checkbox; + GtkWidget *scrub_checkbox, *play_scrub_checkbox, *rate_spinbutton; + GtkWidget *rate_label; + GtkTooltips *tips; + GOptionEntry options[] = { + {"stats", 's', 0, G_OPTION_ARG_NONE, &stats, + "Show pad stats", NULL}, + {"elem", 'e', 0, G_OPTION_ARG_NONE, &elem_seek, + "Seek on elements instead of pads", NULL}, + {"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, + "Verbose properties", NULL}, + {NULL} + }; + GOptionContext *ctx; + GError *err = NULL; + + if (!g_thread_supported ()) + g_thread_init (NULL); + + ctx = g_option_context_new ("- test seeking in gsteamer"); + g_option_context_add_main_entries (ctx, options, NULL); + g_option_context_add_group (ctx, gst_init_get_option_group ()); + + if (!g_option_context_parse (ctx, &argc, &argv, &err)) { + g_print ("Error initializing: %s\n", err->message); + exit (1); + } + + GST_DEBUG_CATEGORY_INIT (seek_debug, "seek", 0, "seek example"); + + gtk_init (&argc, &argv); + + if (argc != 3) { + print_usage (argc, argv); + exit (-1); + } + + pipeline_type = atoi (argv[1]); + + if (pipeline_type < 0 || pipeline_type >= NUM_TYPES) { + print_usage (argc, argv); + exit (-1); + } + + pipeline_spec = argv[2]; + + pipeline = pipelines[pipeline_type].func (pipeline_spec); + g_assert (pipeline); + + /* initialize gui elements ... */ + tips = gtk_tooltips_new (); + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + hbox = gtk_hbox_new (FALSE, 0); + vbox = gtk_vbox_new (FALSE, 0); + flagtable = gtk_table_new (4, 2, FALSE); + gtk_container_set_border_width (GTK_CONTAINER (vbox), 3); + + /* media controls */ + play_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PLAY); + pause_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_PAUSE); + stop_button = gtk_button_new_from_stock (GTK_STOCK_MEDIA_STOP); + + /* seek flags */ + accurate_checkbox = gtk_check_button_new_with_label ("Accurate Seek"); + key_checkbox = gtk_check_button_new_with_label ("Key-unit Seek"); + loop_checkbox = gtk_check_button_new_with_label ("Loop"); + flush_checkbox = gtk_check_button_new_with_label ("Flush"); + scrub_checkbox = gtk_check_button_new_with_label ("Scrub"); + play_scrub_checkbox = gtk_check_button_new_with_label ("Play Scrub"); + rate_spinbutton = gtk_spin_button_new_with_range (-100, 100, 0.1); + gtk_spin_button_set_digits (GTK_SPIN_BUTTON (rate_spinbutton), 3); + rate_label = gtk_label_new ("Rate"); + + gtk_tooltips_set_tip (tips, accurate_checkbox, + "accurate position is requested, this might be considerably slower for some formats", + NULL); + gtk_tooltips_set_tip (tips, key_checkbox, + "seek to the nearest keyframe. This might be faster but less accurate", + NULL); + gtk_tooltips_set_tip (tips, loop_checkbox, "loop playback", NULL); + gtk_tooltips_set_tip (tips, flush_checkbox, "flush pipeline after seeking", + NULL); + gtk_tooltips_set_tip (tips, rate_spinbutton, "define the playback rate, " + "negative value trigger reverse playback", NULL); + gtk_tooltips_set_tip (tips, scrub_checkbox, "show images while seeking", + NULL); + gtk_tooltips_set_tip (tips, play_scrub_checkbox, "play video while seeking", + NULL); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (flush_checkbox), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (scrub_checkbox), TRUE); + + gtk_spin_button_set_value (GTK_SPIN_BUTTON (rate_spinbutton), rate); + + /* seek bar */ + 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); +#if GTK_CHECK_VERSION(2,12,0) + gtk_range_set_show_fill_level (GTK_RANGE (hscale), TRUE); + gtk_range_set_fill_level (GTK_RANGE (hscale), 100.0); +#endif + 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); + + if (pipeline_type == 16) { + /* the playbin2 panel controls for the video/audio/subtitle tracks */ + panel = gtk_hbox_new (FALSE, 0); + video_combo = gtk_combo_box_new_text (); + audio_combo = gtk_combo_box_new_text (); + text_combo = gtk_combo_box_new_text (); + gtk_widget_set_sensitive (video_combo, FALSE); + gtk_widget_set_sensitive (audio_combo, FALSE); + gtk_widget_set_sensitive (text_combo, FALSE); + gtk_box_pack_start (GTK_BOX (panel), video_combo, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (panel), audio_combo, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (panel), text_combo, TRUE, TRUE, 2); + g_signal_connect (G_OBJECT (video_combo), "changed", + G_CALLBACK (video_combo_cb), pipeline); + g_signal_connect (G_OBJECT (audio_combo), "changed", + G_CALLBACK (audio_combo_cb), pipeline); + g_signal_connect (G_OBJECT (text_combo), "changed", + G_CALLBACK (text_combo_cb), pipeline); + /* playbin2 panel for flag checkboxes and volume/mute */ + boxes = gtk_hbox_new (FALSE, 0); + vis_checkbox = gtk_check_button_new_with_label ("Vis"); + video_checkbox = gtk_check_button_new_with_label ("Video"); + audio_checkbox = gtk_check_button_new_with_label ("Audio"); + text_checkbox = gtk_check_button_new_with_label ("Text"); + mute_checkbox = gtk_check_button_new_with_label ("Mute"); + volume_spinbutton = gtk_spin_button_new_with_range (0, 10.0, 0.1); + gtk_spin_button_set_value (GTK_SPIN_BUTTON (volume_spinbutton), 1.0); + gtk_box_pack_start (GTK_BOX (boxes), vis_checkbox, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes), audio_checkbox, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes), video_checkbox, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes), text_checkbox, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes), mute_checkbox, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes), volume_spinbutton, TRUE, TRUE, 2); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (vis_checkbox), FALSE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (audio_checkbox), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (video_checkbox), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (text_checkbox), TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mute_checkbox), FALSE); + g_signal_connect (G_OBJECT (vis_checkbox), "toggled", + G_CALLBACK (vis_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (audio_checkbox), "toggled", + G_CALLBACK (audio_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (video_checkbox), "toggled", + G_CALLBACK (video_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (text_checkbox), "toggled", + G_CALLBACK (text_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (mute_checkbox), "toggled", + G_CALLBACK (mute_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (volume_spinbutton), "value_changed", + G_CALLBACK (volume_spinbutton_changed_cb), pipeline); + /* playbin2 panel for snapshot */ + boxes2 = gtk_hbox_new (FALSE, 0); + shot_button = gtk_button_new_from_stock (GTK_STOCK_SAVE); + gtk_tooltips_set_tip (tips, shot_button, + "save a screenshot .png in the current directory", NULL); + g_signal_connect (G_OBJECT (shot_button), "clicked", G_CALLBACK (shot_cb), + pipeline); + vis_combo = gtk_combo_box_new_text (); + g_signal_connect (G_OBJECT (vis_combo), "changed", + G_CALLBACK (vis_combo_cb), pipeline); + gtk_widget_set_sensitive (vis_combo, FALSE); + gtk_box_pack_start (GTK_BOX (boxes2), shot_button, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (boxes2), vis_combo, TRUE, TRUE, 2); + + /* fill the vis combo box and the array of factories */ + init_visualization_features (); + } else { + panel = boxes = boxes2 = NULL; + } + + /* do the packing stuff ... */ + gtk_window_set_default_size (GTK_WINDOW (window), 250, 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 (hbox), flagtable, FALSE, FALSE, 2); + gtk_table_attach_defaults (GTK_TABLE (flagtable), accurate_checkbox, 0, 1, 0, + 1); + gtk_table_attach_defaults (GTK_TABLE (flagtable), flush_checkbox, 1, 2, 0, 1); + gtk_table_attach_defaults (GTK_TABLE (flagtable), loop_checkbox, 2, 3, 0, 1); + gtk_table_attach_defaults (GTK_TABLE (flagtable), key_checkbox, 0, 1, 1, 2); + gtk_table_attach_defaults (GTK_TABLE (flagtable), scrub_checkbox, 1, 2, 1, 2); + gtk_table_attach_defaults (GTK_TABLE (flagtable), play_scrub_checkbox, 2, 3, + 1, 2); + gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_label, 3, 4, 0, 1); + gtk_table_attach_defaults (GTK_TABLE (flagtable), rate_spinbutton, 3, 4, 1, + 2); + if (panel && boxes && boxes2) { + gtk_box_pack_start (GTK_BOX (vbox), panel, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (vbox), boxes, TRUE, TRUE, 2); + gtk_box_pack_start (GTK_BOX (vbox), boxes2, TRUE, TRUE, 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 (accurate_checkbox), "toggled", + G_CALLBACK (accurate_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (key_checkbox), "toggled", + G_CALLBACK (key_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (loop_checkbox), "toggled", + G_CALLBACK (loop_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (flush_checkbox), "toggled", + G_CALLBACK (flush_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (scrub_checkbox), "toggled", + G_CALLBACK (scrub_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (play_scrub_checkbox), "toggled", + G_CALLBACK (play_scrub_toggle_cb), pipeline); + g_signal_connect (G_OBJECT (rate_spinbutton), "value_changed", + G_CALLBACK (rate_spinbutton_changed_cb), pipeline); + + g_signal_connect (G_OBJECT (window), "delete-event", gtk_main_quit, NULL); + + /* show the gui. */ + gtk_widget_show_all (window); + + if (verbose) { + g_signal_connect (pipeline, "deep_notify", + G_CALLBACK (gst_object_default_deep_notify), NULL); + } + + connect_bus_signals (pipeline); + gtk_main (); + + g_print ("NULL pipeline\n"); + gst_element_set_state (pipeline, GST_STATE_NULL); + + g_print ("free pipeline\n"); + gst_object_unref (pipeline); + + return 0; +}