2 * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
3 * Copyright (C) <2011> Sebastian Dröge <sebastian.droege@collabora.co.uk>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
25 /* FIXME 0.11: suppress warnings for deprecated API such as GStaticRecMutex
26 * with newer GLib versions (>= 2.31.0) */
27 #define GLIB_DISABLE_DEPRECATION_WARNINGS
32 #include <gst/gst-i18n-plugin.h>
33 #include <gst/pbutils/pbutils.h>
34 #include <gst/video/video.h>
36 #include "gstplaysink.h"
37 #include "gststreamsynchronizer.h"
38 #include "gstplaysinkvideoconvert.h"
39 #include "gstplaysinkaudioconvert.h"
41 GST_DEBUG_CATEGORY_STATIC (gst_play_sink_debug);
42 #define GST_CAT_DEFAULT gst_play_sink_debug
44 #define VOLUME_MAX_DOUBLE 10.0
46 #define DEFAULT_FLAGS GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_TEXT | \
47 GST_PLAY_FLAG_SOFT_VOLUME
49 #define GST_PLAY_CHAIN(c) ((GstPlayChain *)(c))
51 /* holds the common data fields for the audio and video pipelines. We keep them
52 * in a structure to more easily have all the info available. */
55 GstPlaySink *playsink;
68 GstElement *volume; /* element with the volume property */
69 gboolean sink_volume; /* if the volume was provided by the sink */
70 GstElement *mute; /* element with the mute property */
72 GstElement *ts_offset;
78 GstPad *sinkpad, *srcpad;
80 GstElement *deinterlace;
81 } GstPlayVideoDeinterlaceChain;
91 GstElement *ts_offset;
100 GstElement *resample;
101 GstPad *blockpad; /* srcpad of resample, used for switching the vis */
102 GstPad *vissinkpad; /* visualisation sinkpad, */
104 GstPad *vissrcpad; /* visualisation srcpad, */
105 GstPad *srcpad; /* outgoing srcpad, used to connect to the next
114 GstElement *identity;
116 GstPad *videosinkpad;
118 GstPad *srcpad; /* outgoing srcpad, used to connect to the next
120 GstElement *sink; /* custom sink to receive subtitle buffers */
123 #define GST_PLAY_SINK_GET_LOCK(playsink) (&((GstPlaySink *)playsink)->lock)
124 #define GST_PLAY_SINK_LOCK(playsink) G_STMT_START { \
125 GST_LOG_OBJECT (playsink, "locking from thread %p", g_thread_self ()); \
126 g_static_rec_mutex_lock (GST_PLAY_SINK_GET_LOCK (playsink)); \
127 GST_LOG_OBJECT (playsink, "locked from thread %p", g_thread_self ()); \
129 #define GST_PLAY_SINK_UNLOCK(playsink) G_STMT_START { \
130 GST_LOG_OBJECT (playsink, "unlocking from thread %p", g_thread_self ()); \
131 g_static_rec_mutex_unlock (GST_PLAY_SINK_GET_LOCK (playsink)); \
134 #define PENDING_FLAG_SET(playsink, flagtype) \
135 ((playsink->pending_blocked_pads) |= (1 << flagtype))
136 #define PENDING_FLAG_UNSET(playsink, flagtype) \
137 ((playsink->pending_blocked_pads) &= ~(1 << flagtype))
138 #define PENDING_FLAG_IS_SET(playsink, flagtype) \
139 ((playsink->pending_blocked_pads) & (1 << flagtype))
140 #define PENDING_VIDEO_BLOCK(playsink) \
141 ((playsink->pending_blocked_pads) & (1 << GST_PLAY_SINK_TYPE_VIDEO_RAW | 1 << GST_PLAY_SINK_TYPE_VIDEO))
142 #define PENDING_AUDIO_BLOCK(playsink) \
143 ((playsink->pending_blocked_pads) & (1 << GST_PLAY_SINK_TYPE_AUDIO_RAW | 1 << GST_PLAY_SINK_TYPE_AUDIO))
144 #define PENDING_TEXT_BLOCK(playsink) \
145 PENDING_FLAG_IS_SET(playsink, GST_PLAY_SINK_TYPE_TEXT)
151 GStaticRecMutex lock;
153 gboolean async_pending;
154 gboolean need_async_start;
158 GstStreamSynchronizer *stream_synchronizer;
161 GstPlayAudioChain *audiochain;
162 GstPlayVideoDeinterlaceChain *videodeinterlacechain;
163 GstPlayVideoChain *videochain;
164 GstPlayVisChain *vischain;
165 GstPlayTextChain *textchain;
169 gboolean audio_pad_raw;
170 gboolean audio_pad_blocked;
171 GstPad *audio_srcpad_stream_synchronizer;
172 GstPad *audio_sinkpad_stream_synchronizer;
174 GstElement *audio_tee;
175 GstPad *audio_tee_sink;
176 GstPad *audio_tee_asrc;
177 GstPad *audio_tee_vissrc;
180 gboolean video_pad_raw;
181 gboolean video_pad_blocked;
182 GstPad *video_srcpad_stream_synchronizer;
183 GstPad *video_sinkpad_stream_synchronizer;
186 gboolean text_pad_blocked;
187 GstPad *text_srcpad_stream_synchronizer;
188 GstPad *text_sinkpad_stream_synchronizer;
190 guint32 pending_blocked_pads;
193 GstElement *audio_sink;
194 GstElement *video_sink;
195 GstElement *visualisation;
196 GstElement *text_sink;
199 gchar *font_desc; /* font description */
200 gchar *subtitle_encoding; /* subtitle encoding */
201 guint connection_speed; /* connection speed in bits/sec (0 = unknown) */
203 gboolean volume_changed; /* volume/mute changed while no audiochain */
204 gboolean mute_changed; /* ... has been created yet */
208 struct _GstPlaySinkClass
210 GstBinClass parent_class;
212 gboolean (*reconfigure) (GstPlaySink * playsink);
214 GstBuffer *(*convert_frame) (GstPlaySink * playsink, GstCaps * caps);
218 static GstStaticPadTemplate audiotemplate =
219 GST_STATIC_PAD_TEMPLATE ("audio_sink",
222 GST_STATIC_CAPS_ANY);
223 static GstStaticPadTemplate videotemplate =
224 GST_STATIC_PAD_TEMPLATE ("video_sink",
227 GST_STATIC_CAPS_ANY);
228 static GstStaticPadTemplate texttemplate = GST_STATIC_PAD_TEMPLATE ("text_sink",
231 GST_STATIC_CAPS_ANY);
233 /* FIXME 0.11: Remove */
234 static GstStaticPadTemplate audiorawtemplate =
235 GST_STATIC_PAD_TEMPLATE ("audio_raw_sink",
238 GST_STATIC_CAPS_ANY);
239 static GstStaticPadTemplate videorawtemplate =
240 GST_STATIC_PAD_TEMPLATE ("video_raw_sink",
243 GST_STATIC_CAPS_ANY);
254 PROP_SUBTITLE_ENCODING,
270 static void gst_play_sink_dispose (GObject * object);
271 static void gst_play_sink_finalize (GObject * object);
272 static void gst_play_sink_set_property (GObject * object, guint prop_id,
273 const GValue * value, GParamSpec * spec);
274 static void gst_play_sink_get_property (GObject * object, guint prop_id,
275 GValue * value, GParamSpec * spec);
277 static GstPad *gst_play_sink_request_new_pad (GstElement * element,
278 GstPadTemplate * templ, const gchar * name);
279 static void gst_play_sink_release_request_pad (GstElement * element,
281 static gboolean gst_play_sink_send_event (GstElement * element,
283 static GstStateChangeReturn gst_play_sink_change_state (GstElement * element,
284 GstStateChange transition);
286 static void gst_play_sink_handle_message (GstBin * bin, GstMessage * message);
288 static void notify_volume_cb (GObject * object, GParamSpec * pspec,
289 GstPlaySink * playsink);
290 static void notify_mute_cb (GObject * object, GParamSpec * pspec,
291 GstPlaySink * playsink);
293 static void update_av_offset (GstPlaySink * playsink);
296 gst_play_marshal_BUFFER__BOXED (GClosure * closure,
297 GValue * return_value G_GNUC_UNUSED,
298 guint n_param_values,
299 const GValue * param_values,
300 gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
302 typedef GstBuffer *(*GMarshalFunc_OBJECT__BOXED) (gpointer data1,
303 gpointer arg_1, gpointer data2);
304 register GMarshalFunc_OBJECT__BOXED callback;
305 register GCClosure *cc = (GCClosure *) closure;
306 register gpointer data1, data2;
308 g_return_if_fail (return_value != NULL);
309 g_return_if_fail (n_param_values == 2);
311 if (G_CCLOSURE_SWAP_DATA (closure)) {
312 data1 = closure->data;
313 data2 = g_value_peek_pointer (param_values + 0);
315 data1 = g_value_peek_pointer (param_values + 0);
316 data2 = closure->data;
319 (GMarshalFunc_OBJECT__BOXED) (marshal_data ? marshal_data : cc->callback);
321 v_return = callback (data1, g_value_get_boxed (param_values + 1), data2);
323 gst_value_take_buffer (return_value, v_return);
326 /* static guint gst_play_sink_signals[LAST_SIGNAL] = { 0 }; */
328 G_DEFINE_TYPE (GstPlaySink, gst_play_sink, GST_TYPE_BIN);
331 gst_play_sink_class_init (GstPlaySinkClass * klass)
333 GObjectClass *gobject_klass;
334 GstElementClass *gstelement_klass;
335 GstBinClass *gstbin_klass;
337 gobject_klass = (GObjectClass *) klass;
338 gstelement_klass = (GstElementClass *) klass;
339 gstbin_klass = (GstBinClass *) klass;
341 gobject_klass->dispose = gst_play_sink_dispose;
342 gobject_klass->finalize = gst_play_sink_finalize;
343 gobject_klass->set_property = gst_play_sink_set_property;
344 gobject_klass->get_property = gst_play_sink_get_property;
350 * Control the behaviour of playsink.
352 g_object_class_install_property (gobject_klass, PROP_FLAGS,
353 g_param_spec_flags ("flags", "Flags", "Flags to control behaviour",
354 GST_TYPE_PLAY_FLAGS, DEFAULT_FLAGS,
355 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
358 * GstPlaySink:volume:
360 * Get or set the current audio stream volume. 1.0 means 100%,
361 * 0.0 means mute. This uses a linear volume scale.
364 g_object_class_install_property (gobject_klass, PROP_VOLUME,
365 g_param_spec_double ("volume", "Volume", "The audio volume, 1.0=100%",
366 0.0, VOLUME_MAX_DOUBLE, 1.0,
367 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
368 g_object_class_install_property (gobject_klass, PROP_MUTE,
369 g_param_spec_boolean ("mute", "Mute",
370 "Mute the audio channel without changing the volume", FALSE,
371 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
372 g_object_class_install_property (gobject_klass, PROP_FONT_DESC,
373 g_param_spec_string ("subtitle-font-desc",
374 "Subtitle font description",
375 "Pango font description of font "
376 "to be used for subtitle rendering", NULL,
377 G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
378 g_object_class_install_property (gobject_klass, PROP_SUBTITLE_ENCODING,
379 g_param_spec_string ("subtitle-encoding", "subtitle encoding",
380 "Encoding to assume if input subtitles are not in UTF-8 encoding. "
381 "If not set, the GST_SUBTITLE_ENCODING environment variable will "
382 "be checked for an encoding to use. If that is not set either, "
383 "ISO-8859-15 will be assumed.", NULL,
384 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
385 g_object_class_install_property (gobject_klass, PROP_VIS_PLUGIN,
386 g_param_spec_object ("vis-plugin", "Vis plugin",
387 "the visualization element to use (NULL = default)",
388 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
392 * Get the currently rendered or prerolled frame in the video sink.
393 * The #GstCaps on the buffer will describe the format of the buffer.
397 g_object_class_install_property (gobject_klass, PROP_FRAME,
398 gst_param_spec_mini_object ("frame", "Frame",
399 "The last frame (NULL = no video available)",
400 GST_TYPE_BUFFER, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
402 * GstPlaySink:av-offset:
404 * Control the synchronisation offset between the audio and video streams.
405 * Positive values make the audio ahead of the video and negative values make
406 * the audio go behind the video.
410 g_object_class_install_property (gobject_klass, PROP_AV_OFFSET,
411 g_param_spec_int64 ("av-offset", "AV Offset",
412 "The synchronisation offset between audio and video in nanoseconds",
413 G_MININT64, G_MAXINT64, 0,
414 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
417 * GstPlaySink:video-sink:
419 * Set the used video sink element. NULL will use the default sink. playsink
420 * must be in %GST_STATE_NULL
424 g_object_class_install_property (gobject_klass, PROP_VIDEO_SINK,
425 g_param_spec_object ("video-sink", "Video Sink",
426 "the video output element to use (NULL = default sink)",
427 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
429 * GstPlaySink:audio-sink:
431 * Set the used audio sink element. NULL will use the default sink. playsink
432 * must be in %GST_STATE_NULL
436 g_object_class_install_property (gobject_klass, PROP_AUDIO_SINK,
437 g_param_spec_object ("audio-sink", "Audio Sink",
438 "the audio output element to use (NULL = default sink)",
439 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
441 * GstPlaySink:text-sink:
443 * Set the used text sink element. NULL will use the default sink. playsink
444 * must be in %GST_STATE_NULL
448 g_object_class_install_property (gobject_klass, PROP_TEXT_SINK,
449 g_param_spec_object ("text-sink", "Text sink",
450 "the text output element to use (NULL = default textoverlay)",
451 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
454 g_signal_new ("reconfigure", G_TYPE_FROM_CLASS (klass),
455 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstPlaySinkClass,
456 reconfigure), NULL, NULL, gst_marshal_BOOLEAN__VOID, G_TYPE_BOOLEAN,
459 * GstPlaySink::convert-frame
460 * @playsink: a #GstPlaySink
461 * @caps: the target format of the frame
463 * Action signal to retrieve the currently playing video frame in the format
464 * specified by @caps.
465 * If @caps is %NULL, no conversion will be performed and this function is
466 * equivalent to the #GstPlaySink::frame property.
468 * Returns: a #GstBuffer of the current video frame converted to #caps.
469 * The caps on the buffer will describe the final layout of the buffer data.
470 * %NULL is returned when no current buffer can be retrieved or when the
475 g_signal_new ("convert-frame", G_TYPE_FROM_CLASS (klass),
476 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
477 G_STRUCT_OFFSET (GstPlaySinkClass, convert_frame), NULL, NULL,
478 gst_play_marshal_BUFFER__BOXED, GST_TYPE_BUFFER, 1, GST_TYPE_CAPS);
480 gst_element_class_add_static_pad_template (gstelement_klass,
482 gst_element_class_add_static_pad_template (gstelement_klass,
484 gst_element_class_add_static_pad_template (gstelement_klass,
486 gst_element_class_add_static_pad_template (gstelement_klass,
488 gst_element_class_add_static_pad_template (gstelement_klass,
490 gst_element_class_set_details_simple (gstelement_klass, "Player Sink",
492 "Convenience sink for multiple streams",
493 "Wim Taymans <wim.taymans@gmail.com>");
495 gstelement_klass->change_state =
496 GST_DEBUG_FUNCPTR (gst_play_sink_change_state);
497 gstelement_klass->send_event = GST_DEBUG_FUNCPTR (gst_play_sink_send_event);
498 gstelement_klass->request_new_pad =
499 GST_DEBUG_FUNCPTR (gst_play_sink_request_new_pad);
500 gstelement_klass->release_pad =
501 GST_DEBUG_FUNCPTR (gst_play_sink_release_request_pad);
503 gstbin_klass->handle_message =
504 GST_DEBUG_FUNCPTR (gst_play_sink_handle_message);
506 klass->reconfigure = GST_DEBUG_FUNCPTR (gst_play_sink_reconfigure);
507 klass->convert_frame = GST_DEBUG_FUNCPTR (gst_play_sink_convert_frame);
511 gst_play_sink_init (GstPlaySink * playsink)
514 playsink->video_sink = NULL;
515 playsink->audio_sink = NULL;
516 playsink->visualisation = NULL;
517 playsink->text_sink = NULL;
518 playsink->volume = 1.0;
519 playsink->font_desc = NULL;
520 playsink->subtitle_encoding = NULL;
521 playsink->flags = DEFAULT_FLAGS;
523 playsink->stream_synchronizer =
524 g_object_new (GST_TYPE_STREAM_SYNCHRONIZER, NULL);
525 gst_bin_add (GST_BIN_CAST (playsink),
526 GST_ELEMENT_CAST (playsink->stream_synchronizer));
528 g_static_rec_mutex_init (&playsink->lock);
529 GST_OBJECT_FLAG_SET (playsink, GST_ELEMENT_IS_SINK);
533 disconnect_chain (GstPlayAudioChain * chain, GstPlaySink * playsink)
537 g_signal_handlers_disconnect_by_func (chain->volume, notify_volume_cb,
540 g_signal_handlers_disconnect_by_func (chain->mute, notify_mute_cb,
546 free_chain (GstPlayChain * chain)
550 gst_object_unref (chain->bin);
556 gst_play_sink_dispose (GObject * object)
558 GstPlaySink *playsink;
560 playsink = GST_PLAY_SINK (object);
562 if (playsink->audio_sink != NULL) {
563 gst_element_set_state (playsink->audio_sink, GST_STATE_NULL);
564 gst_object_unref (playsink->audio_sink);
565 playsink->audio_sink = NULL;
567 if (playsink->video_sink != NULL) {
568 gst_element_set_state (playsink->video_sink, GST_STATE_NULL);
569 gst_object_unref (playsink->video_sink);
570 playsink->video_sink = NULL;
572 if (playsink->visualisation != NULL) {
573 gst_element_set_state (playsink->visualisation, GST_STATE_NULL);
574 gst_object_unref (playsink->visualisation);
575 playsink->visualisation = NULL;
577 if (playsink->text_sink != NULL) {
578 gst_element_set_state (playsink->text_sink, GST_STATE_NULL);
579 gst_object_unref (playsink->text_sink);
580 playsink->text_sink = NULL;
583 free_chain ((GstPlayChain *) playsink->videodeinterlacechain);
584 playsink->videodeinterlacechain = NULL;
585 free_chain ((GstPlayChain *) playsink->videochain);
586 playsink->videochain = NULL;
587 free_chain ((GstPlayChain *) playsink->audiochain);
588 playsink->audiochain = NULL;
589 free_chain ((GstPlayChain *) playsink->vischain);
590 playsink->vischain = NULL;
591 free_chain ((GstPlayChain *) playsink->textchain);
592 playsink->textchain = NULL;
594 if (playsink->audio_tee_sink) {
595 gst_object_unref (playsink->audio_tee_sink);
596 playsink->audio_tee_sink = NULL;
599 if (playsink->audio_tee_vissrc) {
600 gst_element_release_request_pad (playsink->audio_tee,
601 playsink->audio_tee_vissrc);
602 gst_object_unref (playsink->audio_tee_vissrc);
603 playsink->audio_tee_vissrc = NULL;
606 if (playsink->audio_tee_asrc) {
607 gst_element_release_request_pad (playsink->audio_tee,
608 playsink->audio_tee_asrc);
609 gst_object_unref (playsink->audio_tee_asrc);
610 playsink->audio_tee_asrc = NULL;
613 g_free (playsink->font_desc);
614 playsink->font_desc = NULL;
616 g_free (playsink->subtitle_encoding);
617 playsink->subtitle_encoding = NULL;
619 playsink->stream_synchronizer = NULL;
621 G_OBJECT_CLASS (gst_play_sink_parent_class)->dispose (object);
625 gst_play_sink_finalize (GObject * object)
627 GstPlaySink *playsink;
629 playsink = GST_PLAY_SINK (object);
631 g_static_rec_mutex_free (&playsink->lock);
633 G_OBJECT_CLASS (gst_play_sink_parent_class)->finalize (object);
637 gst_play_sink_set_sink (GstPlaySink * playsink, GstPlaySinkType type,
640 GstElement **elem = NULL, *old = NULL;
642 GST_LOG ("Setting sink %" GST_PTR_FORMAT " as sink type %d", sink, type);
644 GST_PLAY_SINK_LOCK (playsink);
646 case GST_PLAY_SINK_TYPE_AUDIO:
647 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
648 elem = &playsink->audio_sink;
650 case GST_PLAY_SINK_TYPE_VIDEO:
651 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
652 elem = &playsink->video_sink;
654 case GST_PLAY_SINK_TYPE_TEXT:
655 elem = &playsink->text_sink;
663 gst_object_ref (sink);
666 GST_PLAY_SINK_UNLOCK (playsink);
670 gst_element_set_state (old, GST_STATE_NULL);
671 gst_object_unref (old);
676 gst_play_sink_get_sink (GstPlaySink * playsink, GstPlaySinkType type)
678 GstElement *result = NULL;
679 GstElement *elem = NULL, *chainp = NULL;
681 GST_PLAY_SINK_LOCK (playsink);
683 case GST_PLAY_SINK_TYPE_AUDIO:
684 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
686 GstPlayAudioChain *chain;
687 if ((chain = (GstPlayAudioChain *) playsink->audiochain))
688 chainp = chain->sink;
689 elem = playsink->audio_sink;
692 case GST_PLAY_SINK_TYPE_VIDEO:
693 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
695 GstPlayVideoChain *chain;
696 if ((chain = (GstPlayVideoChain *) playsink->videochain))
697 chainp = chain->sink;
698 elem = playsink->video_sink;
701 case GST_PLAY_SINK_TYPE_TEXT:
703 GstPlayTextChain *chain;
704 if ((chain = (GstPlayTextChain *) playsink->textchain))
705 chainp = chain->sink;
706 elem = playsink->text_sink;
713 /* we have an active chain with a sink, get the sink */
714 result = gst_object_ref (chainp);
716 /* nothing found, return last configured sink */
717 if (result == NULL && elem)
718 result = gst_object_ref (elem);
719 GST_PLAY_SINK_UNLOCK (playsink);
725 gst_play_sink_vis_unblocked (GstPad * tee_pad, gboolean blocked,
728 GstPlaySink *playsink;
730 playsink = GST_PLAY_SINK (user_data);
731 /* nothing to do here, we need a dummy callback here to make the async call
733 GST_DEBUG_OBJECT (playsink, "vis pad unblocked");
737 gst_play_sink_vis_blocked (GstPad * tee_pad, gboolean blocked,
740 GstPlaySink *playsink;
741 GstPlayVisChain *chain;
743 playsink = GST_PLAY_SINK (user_data);
745 GST_PLAY_SINK_LOCK (playsink);
746 GST_DEBUG_OBJECT (playsink, "vis pad blocked");
747 /* now try to change the plugin in the running vis chain */
748 if (!(chain = (GstPlayVisChain *) playsink->vischain))
751 /* unlink the old plugin and unghost the pad */
752 gst_pad_unlink (chain->blockpad, chain->vissinkpad);
753 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (chain->srcpad), NULL);
755 /* set the old plugin to NULL and remove */
756 gst_element_set_state (chain->vis, GST_STATE_NULL);
757 gst_bin_remove (GST_BIN_CAST (chain->chain.bin), chain->vis);
759 /* add new plugin and set state to playing */
760 chain->vis = playsink->visualisation;
761 gst_bin_add (GST_BIN_CAST (chain->chain.bin), chain->vis);
762 gst_element_set_state (chain->vis, GST_STATE_PLAYING);
765 chain->vissinkpad = gst_element_get_static_pad (chain->vis, "sink");
766 chain->vissrcpad = gst_element_get_static_pad (chain->vis, "src");
769 gst_pad_link_full (chain->blockpad, chain->vissinkpad,
770 GST_PAD_LINK_CHECK_NOTHING);
771 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (chain->srcpad),
775 /* Unblock the pad */
776 gst_pad_set_blocked_async (tee_pad, FALSE, gst_play_sink_vis_unblocked,
778 GST_PLAY_SINK_UNLOCK (playsink);
782 gst_play_sink_set_vis_plugin (GstPlaySink * playsink, GstElement * vis)
784 GstPlayVisChain *chain;
786 /* setting NULL means creating the default vis plugin */
788 vis = gst_element_factory_make ("goom", "vis");
790 /* simply return if we don't have a vis plugin here */
794 GST_PLAY_SINK_LOCK (playsink);
795 /* first store the new vis */
796 if (playsink->visualisation)
797 gst_object_unref (playsink->visualisation);
799 gst_object_ref_sink (vis);
800 playsink->visualisation = vis;
802 /* now try to change the plugin in the running vis chain, if we have no chain,
803 * we don't bother, any future vis chain will be created with the new vis
805 if (!(chain = (GstPlayVisChain *) playsink->vischain))
808 /* block the pad, the next time the callback is called we can change the
809 * visualisation. It's possible that this never happens or that the pad was
810 * already blocked. If the callback never happens, we don't have new data so
811 * we don't need the new vis plugin. If the pad was already blocked, the
812 * function returns FALSE but the previous pad block will do the right thing
814 GST_DEBUG_OBJECT (playsink, "blocking vis pad");
815 gst_pad_set_blocked_async (chain->blockpad, TRUE, gst_play_sink_vis_blocked,
818 GST_PLAY_SINK_UNLOCK (playsink);
824 gst_play_sink_get_vis_plugin (GstPlaySink * playsink)
826 GstElement *result = NULL;
827 GstPlayVisChain *chain;
829 GST_PLAY_SINK_LOCK (playsink);
830 if ((chain = (GstPlayVisChain *) playsink->vischain)) {
831 /* we have an active chain, get the sink */
833 result = gst_object_ref (chain->vis);
835 /* nothing found, return last configured sink */
836 if (result == NULL && playsink->visualisation)
837 result = gst_object_ref (playsink->visualisation);
838 GST_PLAY_SINK_UNLOCK (playsink);
844 gst_play_sink_set_volume (GstPlaySink * playsink, gdouble volume)
846 GstPlayAudioChain *chain;
848 GST_PLAY_SINK_LOCK (playsink);
849 playsink->volume = volume;
850 chain = (GstPlayAudioChain *) playsink->audiochain;
851 if (chain && chain->volume) {
852 GST_LOG_OBJECT (playsink, "elements: volume=%" GST_PTR_FORMAT ", mute=%"
853 GST_PTR_FORMAT "; new volume=%.03f, mute=%d", chain->volume,
854 chain->mute, volume, playsink->mute);
855 /* if there is a mute element or we are not muted, set the volume */
856 if (chain->mute || !playsink->mute)
857 g_object_set (chain->volume, "volume", volume, NULL);
859 GST_LOG_OBJECT (playsink, "no volume element");
860 playsink->volume_changed = TRUE;
862 GST_PLAY_SINK_UNLOCK (playsink);
866 gst_play_sink_get_volume (GstPlaySink * playsink)
869 GstPlayAudioChain *chain;
871 GST_PLAY_SINK_LOCK (playsink);
872 chain = (GstPlayAudioChain *) playsink->audiochain;
873 result = playsink->volume;
874 if (chain && chain->volume) {
875 if (chain->mute || !playsink->mute) {
876 g_object_get (chain->volume, "volume", &result, NULL);
877 playsink->volume = result;
880 GST_PLAY_SINK_UNLOCK (playsink);
886 gst_play_sink_set_mute (GstPlaySink * playsink, gboolean mute)
888 GstPlayAudioChain *chain;
890 GST_PLAY_SINK_LOCK (playsink);
891 playsink->mute = mute;
892 chain = (GstPlayAudioChain *) playsink->audiochain;
895 g_object_set (chain->mute, "mute", mute, NULL);
896 } else if (chain->volume) {
898 g_object_set (chain->volume, "volume", (gdouble) 0.0, NULL);
900 g_object_set (chain->volume, "volume", (gdouble) playsink->volume,
904 playsink->mute_changed = TRUE;
906 GST_PLAY_SINK_UNLOCK (playsink);
910 gst_play_sink_get_mute (GstPlaySink * playsink)
913 GstPlayAudioChain *chain;
915 GST_PLAY_SINK_LOCK (playsink);
916 chain = (GstPlayAudioChain *) playsink->audiochain;
917 if (chain && chain->mute) {
918 g_object_get (chain->mute, "mute", &result, NULL);
919 playsink->mute = result;
921 result = playsink->mute;
923 GST_PLAY_SINK_UNLOCK (playsink);
929 post_missing_element_message (GstPlaySink * playsink, const gchar * name)
933 msg = gst_missing_element_message_new (GST_ELEMENT_CAST (playsink), name);
934 gst_element_post_message (GST_ELEMENT_CAST (playsink), msg);
938 add_chain (GstPlayChain * chain, gboolean add)
940 if (chain->added == add)
944 gst_bin_add (GST_BIN_CAST (chain->playsink), chain->bin);
946 gst_bin_remove (GST_BIN_CAST (chain->playsink), chain->bin);
947 /* we don't want to lose our sink status */
948 GST_OBJECT_FLAG_SET (chain->playsink, GST_ELEMENT_IS_SINK);
957 activate_chain (GstPlayChain * chain, gboolean activate)
961 if (chain->activated == activate)
964 GST_OBJECT_LOCK (chain->playsink);
965 state = GST_STATE_TARGET (chain->playsink);
966 GST_OBJECT_UNLOCK (chain->playsink);
969 gst_element_set_state (chain->bin, state);
971 gst_element_set_state (chain->bin, GST_STATE_NULL);
973 chain->activated = activate;
979 element_is_sink (GstElement * element)
983 GST_OBJECT_LOCK (element);
984 is_sink = GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_IS_SINK);
985 GST_OBJECT_UNLOCK (element);
987 GST_DEBUG_OBJECT (element, "is a sink: %s", (is_sink) ? "yes" : "no");
992 element_has_property (GstElement * element, const gchar * pname, GType type)
996 pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (element), pname);
999 GST_DEBUG_OBJECT (element, "no %s property", pname);
1003 if (type == G_TYPE_INVALID || type == pspec->value_type ||
1004 g_type_is_a (pspec->value_type, type)) {
1005 GST_DEBUG_OBJECT (element, "has %s property of type %s", pname,
1006 (type == G_TYPE_INVALID) ? "any type" : g_type_name (type));
1010 GST_WARNING_OBJECT (element, "has %s property, but property is of type %s "
1011 "and we expected it to be of type %s", pname,
1012 g_type_name (pspec->value_type), g_type_name (type));
1019 const gchar *prop_name;
1022 } FindPropertyHelper;
1025 find_property (GstElement * element, FindPropertyHelper * helper)
1027 if (helper->need_sink && !element_is_sink (element)) {
1028 gst_object_unref (element);
1032 if (!element_has_property (element, helper->prop_name, helper->prop_type)) {
1033 gst_object_unref (element);
1037 GST_INFO_OBJECT (element, "found %s with %s property", helper->prop_name,
1038 (helper->need_sink) ? "sink" : "element");
1039 return 0; /* keep it */
1042 /* FIXME: why not move these functions into core? */
1043 /* find a sink in the hierarchy with a property named @name. This function does
1044 * not increase the refcount of the returned object and thus remains valid as
1045 * long as the bin is valid. */
1047 gst_play_sink_find_property_sinks (GstPlaySink * playsink, GstElement * obj,
1048 const gchar * name, GType expected_type)
1050 GstElement *result = NULL;
1053 if (element_has_property (obj, name, expected_type)) {
1055 } else if (GST_IS_BIN (obj)) {
1056 FindPropertyHelper helper = { name, expected_type, TRUE };
1058 it = gst_bin_iterate_recurse (GST_BIN_CAST (obj));
1059 result = gst_iterator_find_custom (it,
1060 (GCompareFunc) find_property, &helper);
1061 gst_iterator_free (it);
1062 /* we don't need the extra ref */
1064 gst_object_unref (result);
1069 /* find an object in the hierarchy with a property named @name */
1071 gst_play_sink_find_property (GstPlaySink * playsink, GstElement * obj,
1072 const gchar * name, GType expected_type)
1074 GstElement *result = NULL;
1077 if (GST_IS_BIN (obj)) {
1078 FindPropertyHelper helper = { name, expected_type, FALSE };
1080 it = gst_bin_iterate_recurse (GST_BIN_CAST (obj));
1081 result = gst_iterator_find_custom (it,
1082 (GCompareFunc) find_property, &helper);
1083 gst_iterator_free (it);
1085 if (element_has_property (obj, name, expected_type)) {
1087 gst_object_ref (obj);
1094 do_async_start (GstPlaySink * playsink)
1096 GstMessage *message;
1098 if (!playsink->need_async_start) {
1099 GST_INFO_OBJECT (playsink, "no async_start needed");
1103 playsink->async_pending = TRUE;
1105 GST_INFO_OBJECT (playsink, "Sending async_start message");
1106 message = gst_message_new_async_start (GST_OBJECT_CAST (playsink), FALSE);
1107 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (GST_BIN_CAST
1108 (playsink), message);
1112 do_async_done (GstPlaySink * playsink)
1114 GstMessage *message;
1116 if (playsink->async_pending) {
1117 GST_INFO_OBJECT (playsink, "Sending async_done message");
1118 message = gst_message_new_async_done (GST_OBJECT_CAST (playsink));
1119 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (GST_BIN_CAST
1120 (playsink), message);
1122 playsink->async_pending = FALSE;
1125 playsink->need_async_start = FALSE;
1128 /* try to change the state of an element. This function returns the element when
1129 * the state change could be performed. When this function returns NULL an error
1130 * occured and the element is unreffed if @unref is TRUE. */
1132 try_element (GstPlaySink * playsink, GstElement * element, gboolean unref)
1134 GstStateChangeReturn ret;
1137 ret = gst_element_set_state (element, GST_STATE_READY);
1138 if (ret == GST_STATE_CHANGE_FAILURE) {
1139 GST_DEBUG_OBJECT (playsink, "failed state change..");
1140 gst_element_set_state (element, GST_STATE_NULL);
1142 gst_object_unref (element);
1149 /* make the element (bin) that contains the elements needed to perform
1150 * video display. Only used for *raw* video streams.
1152 * +------------------------------------------------------------+
1154 * | +-------+ +----------+ +----------+ +---------+ |
1155 * | | queue | |colorspace| |videoscale| |videosink| |
1156 * | +-sink src-sink src-sink src-sink | |
1157 * | | +-------+ +----------+ +----------+ +---------+ |
1159 * +------------------------------------------------------------+
1162 static GstPlayVideoDeinterlaceChain *
1163 gen_video_deinterlace_chain (GstPlaySink * playsink)
1165 GstPlayVideoDeinterlaceChain *chain;
1168 GstElement *head = NULL, *prev = NULL;
1170 chain = g_new0 (GstPlayVideoDeinterlaceChain, 1);
1171 chain->chain.playsink = playsink;
1173 GST_DEBUG_OBJECT (playsink, "making video deinterlace chain %p", chain);
1175 /* create a bin to hold objects, as we create them we add them to this bin so
1176 * that when something goes wrong we only need to unref the bin */
1177 chain->chain.bin = gst_bin_new ("vdbin");
1178 bin = GST_BIN_CAST (chain->chain.bin);
1179 gst_object_ref_sink (bin);
1181 GST_DEBUG_OBJECT (playsink, "creating " COLORSPACE);
1182 chain->conv = gst_element_factory_make (COLORSPACE, "vdconv");
1183 if (chain->conv == NULL) {
1184 post_missing_element_message (playsink, COLORSPACE);
1185 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1186 (_("Missing element '%s' - check your GStreamer installation."),
1187 COLORSPACE), ("video rendering might fail"));
1189 gst_bin_add (bin, chain->conv);
1194 GST_DEBUG_OBJECT (playsink, "creating deinterlace");
1195 chain->deinterlace = gst_element_factory_make ("deinterlace", "deinterlace");
1196 if (chain->deinterlace == NULL) {
1197 post_missing_element_message (playsink, "deinterlace");
1198 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1199 (_("Missing element '%s' - check your GStreamer installation."),
1200 "deinterlace"), ("deinterlacing won't work"));
1202 gst_bin_add (bin, chain->deinterlace);
1204 if (!gst_element_link_pads_full (prev, "src", chain->deinterlace, "sink",
1205 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1208 head = chain->deinterlace;
1210 prev = chain->deinterlace;
1214 pad = gst_element_get_static_pad (head, "sink");
1215 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
1216 gst_object_unref (pad);
1218 chain->sinkpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK);
1222 pad = gst_element_get_static_pad (prev, "src");
1223 chain->srcpad = gst_ghost_pad_new ("src", pad);
1224 gst_object_unref (pad);
1226 chain->srcpad = gst_ghost_pad_new ("src", chain->sinkpad);
1229 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
1230 gst_element_add_pad (chain->chain.bin, chain->srcpad);
1236 GST_ELEMENT_ERROR (playsink, CORE, PAD,
1237 (NULL), ("Failed to configure the video deinterlace chain."));
1238 free_chain ((GstPlayChain *) chain);
1243 /* make the element (bin) that contains the elements needed to perform
1246 * +------------------------------------------------------------+
1248 * | +-------+ +----------+ +----------+ +---------+ |
1249 * | | queue | |colorspace| |videoscale| |videosink| |
1250 * | +-sink src-sink src-sink src-sink | |
1251 * | | +-------+ +----------+ +----------+ +---------+ |
1253 * +------------------------------------------------------------+
1256 static GstPlayVideoChain *
1257 gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
1259 GstPlayVideoChain *chain;
1262 GstElement *head = NULL, *prev = NULL, *elem = NULL;
1264 chain = g_new0 (GstPlayVideoChain, 1);
1265 chain->chain.playsink = playsink;
1266 chain->chain.raw = raw;
1268 GST_DEBUG_OBJECT (playsink, "making video chain %p", chain);
1270 if (playsink->video_sink) {
1271 GST_DEBUG_OBJECT (playsink, "trying configured videosink");
1272 chain->sink = try_element (playsink, playsink->video_sink, FALSE);
1274 /* only try fallback if no specific sink was chosen */
1275 if (chain->sink == NULL) {
1276 GST_DEBUG_OBJECT (playsink, "trying autovideosink");
1277 elem = gst_element_factory_make ("autovideosink", "videosink");
1278 chain->sink = try_element (playsink, elem, TRUE);
1280 if (chain->sink == NULL) {
1281 /* if default sink from config.h is different then try it too */
1282 if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1283 GST_DEBUG_OBJECT (playsink, "trying " DEFAULT_VIDEOSINK);
1284 elem = gst_element_factory_make (DEFAULT_VIDEOSINK, "videosink");
1285 chain->sink = try_element (playsink, elem, TRUE);
1289 playsink->video_sink = gst_object_ref (chain->sink);
1291 if (chain->sink == NULL)
1295 /* if we can disable async behaviour of the sink, we can avoid adding a
1296 * queue for the audio chain. */
1298 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
1301 GST_DEBUG_OBJECT (playsink, "setting async property to %d on element %s",
1302 async, GST_ELEMENT_NAME (elem));
1303 g_object_set (elem, "async", async, NULL);
1304 chain->async = async;
1306 GST_DEBUG_OBJECT (playsink, "no async property on the sink");
1307 chain->async = TRUE;
1310 /* find ts-offset element */
1311 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1312 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1315 /* create a bin to hold objects, as we create them we add them to this bin so
1316 * that when something goes wrong we only need to unref the bin */
1317 chain->chain.bin = gst_bin_new ("vbin");
1318 bin = GST_BIN_CAST (chain->chain.bin);
1319 gst_object_ref_sink (bin);
1320 gst_bin_add (bin, chain->sink);
1322 /* decouple decoder from sink, this improves playback quite a lot since the
1323 * decoder can continue while the sink blocks for synchronisation. We don't
1324 * need a lot of buffers as this consumes a lot of memory and we don't want
1325 * too little because else we would be context switching too quickly. */
1326 chain->queue = gst_element_factory_make ("queue", "vqueue");
1327 if (chain->queue == NULL) {
1328 post_missing_element_message (playsink, "queue");
1329 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1330 (_("Missing element '%s' - check your GStreamer installation."),
1331 "queue"), ("video rendering might be suboptimal"));
1335 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
1336 "max-size-bytes", 0, "max-size-time", (gint64) 0, "silent", TRUE, NULL);
1337 gst_bin_add (bin, chain->queue);
1338 head = prev = chain->queue;
1341 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
1342 GST_DEBUG_OBJECT (playsink, "creating videoconverter");
1344 g_object_new (GST_TYPE_PLAY_SINK_VIDEO_CONVERT, "name", "vconv", NULL);
1345 gst_bin_add (bin, chain->conv);
1347 if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
1348 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1357 GST_DEBUG_OBJECT (playsink, "linking to sink");
1358 if (!gst_element_link_pads_full (prev, "src", chain->sink, NULL,
1359 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1363 pad = gst_element_get_static_pad (head, "sink");
1364 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
1365 gst_object_unref (pad);
1367 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
1374 if (!elem && !playsink->video_sink) {
1375 post_missing_element_message (playsink, "autovideosink");
1376 if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1377 post_missing_element_message (playsink, DEFAULT_VIDEOSINK);
1378 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1379 (_("Both autovideosink and %s elements are missing."),
1380 DEFAULT_VIDEOSINK), (NULL));
1382 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1383 (_("The autovideosink element is missing.")), (NULL));
1386 if (playsink->video_sink) {
1387 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1388 (_("Configured videosink %s is not working."),
1389 GST_ELEMENT_NAME (playsink->video_sink)), (NULL));
1390 } else if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1391 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1392 (_("Both autovideosink and %s elements are not working."),
1393 DEFAULT_VIDEOSINK), (NULL));
1395 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1396 (_("The autovideosink element is not working.")), (NULL));
1399 free_chain ((GstPlayChain *) chain);
1404 GST_ELEMENT_ERROR (playsink, CORE, PAD,
1405 (NULL), ("Failed to configure the video sink."));
1406 /* checking sink made it READY */
1407 gst_element_set_state (chain->sink, GST_STATE_NULL);
1408 /* Remove chain from the bin to allow reuse later */
1409 gst_bin_remove (bin, chain->sink);
1410 free_chain ((GstPlayChain *) chain);
1416 setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
1419 GstPlayVideoChain *chain;
1420 GstStateChangeReturn ret;
1422 chain = playsink->videochain;
1424 chain->chain.raw = raw;
1426 /* if the chain was active we don't do anything */
1427 if (GST_PLAY_CHAIN (chain)->activated == TRUE)
1430 /* try to set the sink element to READY again */
1431 ret = gst_element_set_state (chain->sink, GST_STATE_READY);
1432 if (ret == GST_STATE_CHANGE_FAILURE)
1435 /* find ts-offset element */
1437 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1438 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1441 /* if we can disable async behaviour of the sink, we can avoid adding a
1442 * queue for the audio chain. */
1444 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
1447 GST_DEBUG_OBJECT (playsink, "setting async property to %d on element %s",
1448 async, GST_ELEMENT_NAME (elem));
1449 g_object_set (elem, "async", async, NULL);
1450 chain->async = async;
1452 GST_DEBUG_OBJECT (playsink, "no async property on the sink");
1453 chain->async = TRUE;
1458 /* make an element for playback of video with subtitles embedded.
1459 * Only used for *raw* video streams.
1461 * +--------------------------------------------+
1463 * | +--------+ +-----------------+ |
1464 * | | queue | | subtitleoverlay | |
1465 * video--src sink---video_sink | |
1466 * | +--------+ | src--src
1467 * text------------------text_sink | |
1468 * | +-----------------+ |
1469 * +--------------------------------------------+
1472 static GstPlayTextChain *
1473 gen_text_chain (GstPlaySink * playsink)
1475 GstPlayTextChain *chain;
1478 GstPad *videosinkpad, *textsinkpad, *srcpad;
1480 chain = g_new0 (GstPlayTextChain, 1);
1481 chain->chain.playsink = playsink;
1483 GST_DEBUG_OBJECT (playsink, "making text chain %p", chain);
1485 chain->chain.bin = gst_bin_new ("tbin");
1486 bin = GST_BIN_CAST (chain->chain.bin);
1487 gst_object_ref_sink (bin);
1489 videosinkpad = textsinkpad = srcpad = NULL;
1491 /* first try to hook the text pad to the custom sink */
1492 if (playsink->text_sink) {
1493 GST_DEBUG_OBJECT (playsink, "trying configured textsink");
1494 chain->sink = try_element (playsink, playsink->text_sink, FALSE);
1497 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
1500 /* make sure the sparse subtitles don't participate in the preroll */
1501 g_object_set (elem, "async", FALSE, NULL);
1502 GST_DEBUG_OBJECT (playsink, "adding custom text sink");
1503 gst_bin_add (bin, chain->sink);
1504 /* NOTE streamsynchronizer needs streams decoupled */
1505 /* make a little queue */
1506 chain->queue = gst_element_factory_make ("queue", "subqueue");
1507 if (chain->queue == NULL) {
1508 post_missing_element_message (playsink, "queue");
1509 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1510 (_("Missing element '%s' - check your GStreamer installation."),
1511 "queue"), ("rendering might be suboptimal"));
1513 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
1514 "max-size-bytes", 0, "max-size-time", (gint64) 0,
1515 "silent", TRUE, NULL);
1516 gst_bin_add (bin, chain->queue);
1518 /* we have a custom sink, this will be our textsinkpad */
1519 if (gst_element_link_pads_full (chain->queue, "src", chain->sink,
1520 "sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS)) {
1521 /* we're all fine now and we can add the sink to the chain */
1522 GST_DEBUG_OBJECT (playsink, "using custom text sink");
1523 textsinkpad = gst_element_get_static_pad (chain->queue, "sink");
1525 GST_WARNING_OBJECT (playsink,
1526 "can't find a sink pad on custom text sink");
1527 gst_bin_remove (bin, chain->sink);
1528 gst_bin_remove (bin, chain->queue);
1530 chain->queue = NULL;
1532 /* try to set sync to true but it's no biggie when we can't */
1534 gst_play_sink_find_property_sinks (playsink, chain->sink,
1535 "sync", G_TYPE_BOOLEAN)))
1536 g_object_set (elem, "sync", TRUE, NULL);
1539 gst_bin_remove (bin, chain->sink);
1541 GST_WARNING_OBJECT (playsink,
1542 "can't find async property in custom text sink");
1545 if (textsinkpad == NULL) {
1546 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1547 (_("Custom text sink element is not usable.")),
1548 ("fallback to default textoverlay"));
1552 if (textsinkpad == NULL) {
1553 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
1554 /* make a little queue */
1555 chain->queue = gst_element_factory_make ("queue", "vqueue");
1556 if (chain->queue == NULL) {
1557 post_missing_element_message (playsink, "queue");
1558 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1559 (_("Missing element '%s' - check your GStreamer installation."),
1560 "queue"), ("video rendering might be suboptimal"));
1562 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
1563 "max-size-bytes", 0, "max-size-time", (gint64) 0,
1564 "silent", TRUE, NULL);
1565 gst_bin_add (bin, chain->queue);
1566 videosinkpad = gst_element_get_static_pad (chain->queue, "sink");
1570 gst_element_factory_make ("subtitleoverlay", "suboverlay");
1571 if (chain->overlay == NULL) {
1572 post_missing_element_message (playsink, "subtitleoverlay");
1573 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1574 (_("Missing element '%s' - check your GStreamer installation."),
1575 "subtitleoverlay"), ("subtitle rendering disabled"));
1577 GstElement *element;
1579 gst_bin_add (bin, chain->overlay);
1581 g_object_set (G_OBJECT (chain->overlay), "silent", FALSE, NULL);
1582 if (playsink->font_desc) {
1583 g_object_set (G_OBJECT (chain->overlay), "font-desc",
1584 playsink->font_desc, NULL);
1586 if (playsink->subtitle_encoding) {
1587 g_object_set (G_OBJECT (chain->overlay), "subtitle-encoding",
1588 playsink->subtitle_encoding, NULL);
1591 gst_element_link_pads_full (chain->queue, "src", chain->overlay,
1592 "video_sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS);
1594 /* make another little queue to decouple streams */
1595 element = gst_element_factory_make ("queue", "subqueue");
1596 if (element == NULL) {
1597 post_missing_element_message (playsink, "queue");
1598 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1599 (_("Missing element '%s' - check your GStreamer installation."),
1600 "queue"), ("rendering might be suboptimal"));
1602 g_object_set (G_OBJECT (element), "max-size-buffers", 3,
1603 "max-size-bytes", 0, "max-size-time", (gint64) 0,
1604 "silent", TRUE, NULL);
1605 gst_bin_add (bin, element);
1606 gst_element_link_pads_full (element, "src", chain->overlay,
1607 "subtitle_sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS);
1608 textsinkpad = gst_element_get_static_pad (element, "sink");
1609 srcpad = gst_element_get_static_pad (chain->overlay, "src");
1615 if (videosinkpad == NULL) {
1616 /* if we still don't have a videosink, we don't have an overlay. the only
1617 * thing we can do is insert an identity and ghost the src
1619 chain->identity = gst_element_factory_make ("identity", "tidentity");
1620 if (chain->identity == NULL) {
1621 post_missing_element_message (playsink, "identity");
1622 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1623 (_("Missing element '%s' - check your GStreamer installation."),
1624 "identity"), (NULL));
1626 g_object_set (chain->identity, "signal-handoffs", FALSE, NULL);
1627 g_object_set (chain->identity, "silent", TRUE, NULL);
1628 gst_bin_add (bin, chain->identity);
1629 srcpad = gst_element_get_static_pad (chain->identity, "src");
1630 videosinkpad = gst_element_get_static_pad (chain->identity, "sink");
1634 /* expose the ghostpads */
1636 chain->videosinkpad = gst_ghost_pad_new ("sink", videosinkpad);
1637 gst_object_unref (videosinkpad);
1638 gst_element_add_pad (chain->chain.bin, chain->videosinkpad);
1641 chain->textsinkpad = gst_ghost_pad_new ("text_sink", textsinkpad);
1642 gst_object_unref (textsinkpad);
1643 gst_element_add_pad (chain->chain.bin, chain->textsinkpad);
1646 chain->srcpad = gst_ghost_pad_new ("src", srcpad);
1647 gst_object_unref (srcpad);
1648 gst_element_add_pad (chain->chain.bin, chain->srcpad);
1655 notify_volume_cb (GObject * object, GParamSpec * pspec, GstPlaySink * playsink)
1659 g_object_get (object, "volume", &vol, NULL);
1660 playsink->volume = vol;
1662 g_object_notify (G_OBJECT (playsink), "volume");
1666 notify_mute_cb (GObject * object, GParamSpec * pspec, GstPlaySink * playsink)
1670 g_object_get (object, "mute", &mute, NULL);
1671 playsink->mute = mute;
1673 g_object_notify (G_OBJECT (playsink), "mute");
1676 /* make the chain that contains the elements needed to perform
1679 * We add a tee as the first element so that we can link the visualisation chain
1680 * to it when requested.
1682 * +-------------------------------------------------------------+
1684 * | +---------+ +----------+ +---------+ +---------+ |
1685 * | |audioconv| |audioscale| | volume | |audiosink| |
1686 * | +-srck src-sink src-sink src-sink | |
1687 * | | +---------+ +----------+ +---------+ +---------+ |
1689 * +-------------------------------------------------------------+
1691 static GstPlayAudioChain *
1692 gen_audio_chain (GstPlaySink * playsink, gboolean raw)
1694 GstPlayAudioChain *chain;
1696 gboolean have_volume;
1698 GstElement *head, *prev, *elem = NULL;
1700 chain = g_new0 (GstPlayAudioChain, 1);
1701 chain->chain.playsink = playsink;
1702 chain->chain.raw = raw;
1704 GST_DEBUG_OBJECT (playsink, "making audio chain %p", chain);
1706 if (playsink->audio_sink) {
1707 GST_DEBUG_OBJECT (playsink, "trying configured audiosink %" GST_PTR_FORMAT,
1708 playsink->audio_sink);
1709 chain->sink = try_element (playsink, playsink->audio_sink, FALSE);
1711 /* only try fallback if no specific sink was chosen */
1712 if (chain->sink == NULL) {
1713 GST_DEBUG_OBJECT (playsink, "trying autoaudiosink");
1714 elem = gst_element_factory_make ("autoaudiosink", "audiosink");
1715 chain->sink = try_element (playsink, elem, TRUE);
1717 if (chain->sink == NULL) {
1718 /* if default sink from config.h is different then try it too */
1719 if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
1720 GST_DEBUG_OBJECT (playsink, "trying " DEFAULT_AUDIOSINK);
1721 elem = gst_element_factory_make (DEFAULT_AUDIOSINK, "audiosink");
1722 chain->sink = try_element (playsink, elem, TRUE);
1726 playsink->audio_sink = gst_object_ref (chain->sink);
1728 if (chain->sink == NULL)
1731 chain->chain.bin = gst_bin_new ("abin");
1732 bin = GST_BIN_CAST (chain->chain.bin);
1733 gst_object_ref_sink (bin);
1734 gst_bin_add (bin, chain->sink);
1736 /* we have to add a queue when we need to decouple for the video sink in
1737 * visualisations and for streamsynchronizer */
1738 GST_DEBUG_OBJECT (playsink, "adding audio queue");
1739 chain->queue = gst_element_factory_make ("queue", "aqueue");
1740 if (chain->queue == NULL) {
1741 post_missing_element_message (playsink, "queue");
1742 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1743 (_("Missing element '%s' - check your GStreamer installation."),
1744 "queue"), ("audio playback and visualizations might not work"));
1748 g_object_set (chain->queue, "silent", TRUE, NULL);
1749 gst_bin_add (bin, chain->queue);
1750 prev = head = chain->queue;
1753 /* find ts-offset element */
1754 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1755 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1758 /* check if the sink, or something within the sink, has the volume property.
1759 * If it does we don't need to add a volume element. */
1761 gst_play_sink_find_property_sinks (playsink, chain->sink, "volume",
1764 chain->volume = elem;
1766 g_signal_connect (chain->volume, "notify::volume",
1767 G_CALLBACK (notify_volume_cb), playsink);
1769 GST_DEBUG_OBJECT (playsink, "the sink has a volume property");
1771 chain->sink_volume = TRUE;
1772 /* if the sink also has a mute property we can use this as well. We'll only
1773 * use the mute property if there is a volume property. We can simulate the
1774 * mute with the volume otherwise. */
1776 gst_play_sink_find_property_sinks (playsink, chain->sink, "mute",
1779 GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
1780 g_signal_connect (chain->mute, "notify::mute",
1781 G_CALLBACK (notify_mute_cb), playsink);
1783 /* use the sink to control the volume and mute */
1784 if (playsink->volume_changed) {
1785 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
1786 playsink->volume_changed = FALSE;
1788 if (playsink->mute_changed) {
1790 g_object_set (chain->mute, "mute", playsink->mute, NULL);
1793 g_object_set (chain->volume, "volume", (gdouble) 0.0, NULL);
1795 playsink->mute_changed = FALSE;
1798 /* no volume, we need to add a volume element when we can */
1799 GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
1800 have_volume = FALSE;
1801 chain->sink_volume = FALSE;
1804 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO) || (!have_volume
1805 && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) {
1806 gboolean use_converters = !(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO);
1807 gboolean use_volume =
1808 !have_volume && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME;
1809 GST_DEBUG_OBJECT (playsink,
1810 "creating audioconvert with use-converters %d, use-volume %d",
1811 use_converters, use_volume);
1813 g_object_new (GST_TYPE_PLAY_SINK_AUDIO_CONVERT, "name", "aconv",
1814 "use-converters", use_converters, "use-volume", use_volume, NULL);
1815 gst_bin_add (bin, chain->conv);
1817 if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
1818 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1825 if (!have_volume && playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME) {
1826 GstPlaySinkAudioConvert *conv =
1827 GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
1830 chain->volume = conv->volume;
1833 g_signal_connect (chain->volume, "notify::volume",
1834 G_CALLBACK (notify_volume_cb), playsink);
1836 /* volume also has the mute property */
1837 chain->mute = chain->volume;
1838 g_signal_connect (chain->mute, "notify::mute",
1839 G_CALLBACK (notify_mute_cb), playsink);
1841 /* configure with the latest volume and mute */
1842 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume,
1844 g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
1850 /* we only have to link to the previous element if we have something in
1851 * front of the sink */
1852 GST_DEBUG_OBJECT (playsink, "linking to sink");
1853 if (!gst_element_link_pads_full (prev, "src", chain->sink, NULL,
1854 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1858 /* post a warning if we have no way to configure the volume */
1860 GST_ELEMENT_WARNING (playsink, STREAM, NOT_IMPLEMENTED,
1861 (_("No volume control found")), ("Volume/mute is not available"));
1864 /* and ghost the sinkpad of the headmost element */
1865 GST_DEBUG_OBJECT (playsink, "ghosting sink pad");
1866 pad = gst_element_get_static_pad (head, "sink");
1867 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
1868 gst_object_unref (pad);
1869 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
1876 if (!elem && !playsink->audio_sink) {
1877 post_missing_element_message (playsink, "autoaudiosink");
1878 if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
1879 post_missing_element_message (playsink, DEFAULT_AUDIOSINK);
1880 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1881 (_("Both autoaudiosink and %s elements are missing."),
1882 DEFAULT_AUDIOSINK), (NULL));
1884 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1885 (_("The autoaudiosink element is missing.")), (NULL));
1888 if (playsink->audio_sink) {
1889 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1890 (_("Configured audiosink %s is not working."),
1891 GST_ELEMENT_NAME (playsink->audio_sink)), (NULL));
1892 } else if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
1893 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1894 (_("Both autoaudiosink and %s elements are not working."),
1895 DEFAULT_AUDIOSINK), (NULL));
1897 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1898 (_("The autoaudiosink element is not working.")), (NULL));
1901 free_chain ((GstPlayChain *) chain);
1906 GST_ELEMENT_ERROR (playsink, CORE, PAD,
1907 (NULL), ("Failed to configure the audio sink."));
1908 /* checking sink made it READY */
1909 gst_element_set_state (chain->sink, GST_STATE_NULL);
1910 /* Remove chain from the bin to allow reuse later */
1911 gst_bin_remove (bin, chain->sink);
1912 free_chain ((GstPlayChain *) chain);
1918 setup_audio_chain (GstPlaySink * playsink, gboolean raw)
1921 GstPlayAudioChain *chain;
1922 GstStateChangeReturn ret;
1924 chain = playsink->audiochain;
1926 chain->chain.raw = raw;
1928 /* if the chain was active we don't do anything */
1929 if (GST_PLAY_CHAIN (chain)->activated == TRUE)
1932 /* try to set the sink element to READY again */
1933 ret = gst_element_set_state (chain->sink, GST_STATE_READY);
1934 if (ret == GST_STATE_CHANGE_FAILURE)
1937 /* find ts-offset element */
1938 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1939 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1942 /* check if the sink, or something within the sink, has the volume property.
1943 * If it does we don't need to add a volume element. */
1945 gst_play_sink_find_property_sinks (playsink, chain->sink, "volume",
1948 chain->volume = elem;
1950 if (playsink->volume_changed) {
1951 GST_DEBUG_OBJECT (playsink, "the sink has a volume property, setting %f",
1953 /* use the sink to control the volume */
1954 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
1955 playsink->volume_changed = FALSE;
1958 g_signal_connect (chain->volume, "notify::volume",
1959 G_CALLBACK (notify_volume_cb), playsink);
1960 /* if the sink also has a mute property we can use this as well. We'll only
1961 * use the mute property if there is a volume property. We can simulate the
1962 * mute with the volume otherwise. */
1964 gst_play_sink_find_property_sinks (playsink, chain->sink, "mute",
1967 GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
1968 g_signal_connect (chain->mute, "notify::mute",
1969 G_CALLBACK (notify_mute_cb), playsink);
1972 g_object_set (chain->conv, "use-volume", FALSE, NULL);
1974 GstPlaySinkAudioConvert *conv =
1975 GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
1977 /* no volume, we need to add a volume element when we can */
1978 g_object_set (chain->conv, "use-volume", TRUE, NULL);
1979 GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
1981 /* Disconnect signals */
1982 disconnect_chain (chain, playsink);
1985 chain->volume = conv->volume;
1986 chain->mute = chain->volume;
1988 g_signal_connect (chain->volume, "notify::volume",
1989 G_CALLBACK (notify_volume_cb), playsink);
1991 g_signal_connect (chain->mute, "notify::mute",
1992 G_CALLBACK (notify_mute_cb), playsink);
1994 /* configure with the latest volume and mute */
1995 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
1996 g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
1999 GST_DEBUG_OBJECT (playsink, "reusing existing volume element");
2005 * +-------------------------------------------------------------------+
2007 * | +----------+ +------------+ +----------+ +-------+ |
2008 * | | visqueue | | audioconv | | audiores | | vis | |
2009 * | +-sink src-sink + samp src-sink src-sink src-+ |
2010 * | | +----------+ +------------+ +----------+ +-------+ | |
2012 * +-------------------------------------------------------------------+
2015 static GstPlayVisChain *
2016 gen_vis_chain (GstPlaySink * playsink)
2018 GstPlayVisChain *chain;
2024 chain = g_new0 (GstPlayVisChain, 1);
2025 chain->chain.playsink = playsink;
2027 GST_DEBUG_OBJECT (playsink, "making vis chain %p", chain);
2029 chain->chain.bin = gst_bin_new ("visbin");
2030 bin = GST_BIN_CAST (chain->chain.bin);
2031 gst_object_ref_sink (bin);
2033 /* we're queuing raw audio here, we can remove this queue when we can disable
2034 * async behaviour in the video sink. */
2035 chain->queue = gst_element_factory_make ("queue", "visqueue");
2036 if (chain->queue == NULL)
2038 g_object_set (chain->queue, "silent", TRUE, NULL);
2039 gst_bin_add (bin, chain->queue);
2041 chain->conv = gst_element_factory_make ("audioconvert", "aconv");
2042 if (chain->conv == NULL)
2043 goto no_audioconvert;
2044 gst_bin_add (bin, chain->conv);
2046 chain->resample = gst_element_factory_make ("audioresample", "aresample");
2047 if (chain->resample == NULL)
2048 goto no_audioresample;
2049 gst_bin_add (bin, chain->resample);
2051 /* this pad will be used for blocking the dataflow and switching the vis
2053 chain->blockpad = gst_element_get_static_pad (chain->resample, "src");
2055 if (playsink->visualisation) {
2056 GST_DEBUG_OBJECT (playsink, "trying configure vis");
2057 chain->vis = try_element (playsink, playsink->visualisation, FALSE);
2059 if (chain->vis == NULL) {
2060 GST_DEBUG_OBJECT (playsink, "trying goom");
2061 elem = gst_element_factory_make ("goom", "vis");
2062 chain->vis = try_element (playsink, elem, TRUE);
2064 if (chain->vis == NULL)
2067 gst_bin_add (bin, chain->vis);
2069 res = gst_element_link_pads_full (chain->queue, "src", chain->conv, "sink",
2070 GST_PAD_LINK_CHECK_NOTHING);
2072 gst_element_link_pads_full (chain->conv, "src", chain->resample, "sink",
2073 GST_PAD_LINK_CHECK_NOTHING);
2075 gst_element_link_pads_full (chain->resample, "src", chain->vis, "sink",
2076 GST_PAD_LINK_CHECK_NOTHING);
2080 chain->vissinkpad = gst_element_get_static_pad (chain->vis, "sink");
2081 chain->vissrcpad = gst_element_get_static_pad (chain->vis, "src");
2083 pad = gst_element_get_static_pad (chain->queue, "sink");
2084 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
2085 gst_object_unref (pad);
2086 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
2088 chain->srcpad = gst_ghost_pad_new ("src", chain->vissrcpad);
2089 gst_element_add_pad (chain->chain.bin, chain->srcpad);
2096 post_missing_element_message (playsink, "queue");
2097 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2098 (_("Missing element '%s' - check your GStreamer installation."),
2100 free_chain ((GstPlayChain *) chain);
2105 post_missing_element_message (playsink, "audioconvert");
2106 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2107 (_("Missing element '%s' - check your GStreamer installation."),
2108 "audioconvert"), ("possibly a liboil version mismatch?"));
2109 free_chain ((GstPlayChain *) chain);
2114 post_missing_element_message (playsink, "audioresample");
2115 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2116 (_("Missing element '%s' - check your GStreamer installation."),
2117 "audioresample"), (NULL));
2118 free_chain ((GstPlayChain *) chain);
2123 post_missing_element_message (playsink, "goom");
2124 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2125 (_("Missing element '%s' - check your GStreamer installation."),
2127 free_chain ((GstPlayChain *) chain);
2132 GST_ELEMENT_ERROR (playsink, CORE, PAD,
2133 (NULL), ("Failed to configure the visualisation element."));
2134 /* element made it to READY */
2135 gst_element_set_state (chain->vis, GST_STATE_NULL);
2136 free_chain ((GstPlayChain *) chain);
2141 /* this function is called when all the request pads are requested and when we
2142 * have to construct the final pipeline. Based on the flags we construct the
2143 * final output pipelines.
2146 gst_play_sink_reconfigure (GstPlaySink * playsink)
2149 gboolean need_audio, need_video, need_deinterlace, need_vis, need_text;
2151 GST_DEBUG_OBJECT (playsink, "reconfiguring");
2153 /* assume we need nothing */
2154 need_audio = need_video = need_deinterlace = need_vis = need_text = FALSE;
2156 GST_PLAY_SINK_LOCK (playsink);
2157 GST_OBJECT_LOCK (playsink);
2158 /* get flags, there are protected with the object lock */
2159 flags = playsink->flags;
2160 GST_OBJECT_UNLOCK (playsink);
2162 /* figure out which components we need */
2163 if (flags & GST_PLAY_FLAG_TEXT && playsink->text_pad) {
2164 /* we have subtitles and we are requested to show it */
2168 if (((flags & GST_PLAY_FLAG_VIDEO)
2169 || (flags & GST_PLAY_FLAG_NATIVE_VIDEO)) && playsink->video_pad) {
2170 /* we have video and we are requested to show it */
2173 /* we only deinterlace if native video is not requested and
2174 * we have raw video */
2175 if ((flags & GST_PLAY_FLAG_DEINTERLACE)
2176 && !(flags & GST_PLAY_FLAG_NATIVE_VIDEO) && playsink->video_pad_raw)
2177 need_deinterlace = TRUE;
2180 if (playsink->audio_pad) {
2181 if ((flags & GST_PLAY_FLAG_AUDIO) || (flags & GST_PLAY_FLAG_NATIVE_AUDIO)) {
2184 if (playsink->audio_pad_raw) {
2185 /* only can do vis with raw uncompressed audio */
2186 if (flags & GST_PLAY_FLAG_VIS && !need_video) {
2187 /* also add video when we add visualisation */
2194 /* we have a text_pad and we need text rendering, in this case we need a
2195 * video_pad to combine the video with the text or visualizations */
2196 if (need_text && !need_video) {
2197 if (playsink->video_pad) {
2199 } else if (need_audio) {
2200 GST_ELEMENT_WARNING (playsink, STREAM, FORMAT,
2201 (_("Can't play a text file without video or visualizations.")),
2202 ("Have text pad but no video pad or visualizations"));
2205 GST_ELEMENT_ERROR (playsink, STREAM, FORMAT,
2206 (_("Can't play a text file without video or visualizations.")),
2207 ("Have text pad but no video pad or visualizations"));
2208 GST_PLAY_SINK_UNLOCK (playsink);
2213 GST_DEBUG_OBJECT (playsink, "audio:%d, video:%d, vis:%d, text:%d", need_audio,
2214 need_video, need_vis, need_text);
2216 /* set up video pipeline */
2218 gboolean raw, async;
2220 /* we need a raw sink when we do vis or when we have a raw pad */
2221 raw = need_vis ? TRUE : playsink->video_pad_raw;
2222 /* we try to set the sink async=FALSE when we need vis, this way we can
2223 * avoid a queue in the audio chain. */
2226 GST_DEBUG_OBJECT (playsink, "adding video, raw %d",
2227 playsink->video_pad_raw);
2229 if (playsink->videochain) {
2230 /* try to reactivate the chain */
2231 if (!setup_video_chain (playsink, raw, async)) {
2232 if (playsink->video_sinkpad_stream_synchronizer) {
2233 gst_element_release_request_pad (GST_ELEMENT_CAST
2234 (playsink->stream_synchronizer),
2235 playsink->video_sinkpad_stream_synchronizer);
2236 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
2237 playsink->video_sinkpad_stream_synchronizer = NULL;
2238 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
2239 playsink->video_srcpad_stream_synchronizer = NULL;
2242 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
2244 /* Remove the sink from the bin to keep its state
2245 * and unparent it to allow reuse */
2246 if (playsink->videochain->sink)
2247 gst_bin_remove (GST_BIN_CAST (playsink->videochain->chain.bin),
2248 playsink->videochain->sink);
2250 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
2251 free_chain ((GstPlayChain *) playsink->videochain);
2252 playsink->videochain = NULL;
2256 if (!playsink->videochain)
2257 playsink->videochain = gen_video_chain (playsink, raw, async);
2258 if (!playsink->videochain)
2261 if (!playsink->video_sinkpad_stream_synchronizer) {
2264 playsink->video_sinkpad_stream_synchronizer =
2265 gst_element_get_request_pad (GST_ELEMENT_CAST
2266 (playsink->stream_synchronizer), "sink_%d");
2267 it = gst_pad_iterate_internal_links
2268 (playsink->video_sinkpad_stream_synchronizer);
2270 gst_iterator_next (it,
2271 (gpointer *) & playsink->video_srcpad_stream_synchronizer);
2272 g_assert (playsink->video_srcpad_stream_synchronizer);
2273 gst_iterator_free (it);
2276 if (playsink->video_pad)
2277 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad),
2278 playsink->video_sinkpad_stream_synchronizer);
2280 if (need_deinterlace) {
2281 if (!playsink->videodeinterlacechain)
2282 playsink->videodeinterlacechain =
2283 gen_video_deinterlace_chain (playsink);
2284 if (!playsink->videodeinterlacechain)
2287 GST_DEBUG_OBJECT (playsink, "adding video deinterlace chain");
2289 GST_DEBUG_OBJECT (playsink, "setting up deinterlacing chain");
2291 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), TRUE);
2292 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), TRUE);
2294 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
2295 playsink->videodeinterlacechain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2297 if (playsink->videodeinterlacechain) {
2298 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
2299 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain),
2304 GST_DEBUG_OBJECT (playsink, "adding video chain");
2305 add_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
2306 activate_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
2307 /* if we are not part of vis or subtitles, set the ghostpad target */
2308 if (!need_vis && !need_text && (!playsink->textchain
2309 || !playsink->text_pad)) {
2310 GST_DEBUG_OBJECT (playsink, "ghosting video sinkpad");
2311 if (need_deinterlace)
2312 gst_pad_link_full (playsink->videodeinterlacechain->srcpad,
2313 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2315 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
2316 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2319 GST_DEBUG_OBJECT (playsink, "no video needed");
2320 if (playsink->videochain) {
2321 GST_DEBUG_OBJECT (playsink, "removing video chain");
2322 if (playsink->vischain) {
2325 GST_DEBUG_OBJECT (playsink, "unlinking vis chain");
2327 /* also had visualisation, release the tee srcpad before we then
2328 * unlink the video from it */
2329 if (playsink->audio_tee_vissrc) {
2330 gst_element_release_request_pad (playsink->audio_tee,
2331 playsink->audio_tee_vissrc);
2332 gst_object_unref (playsink->audio_tee_vissrc);
2333 playsink->audio_tee_vissrc = NULL;
2336 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
2337 gst_pad_unlink (srcpad, playsink->videochain->sinkpad);
2340 if (playsink->video_sinkpad_stream_synchronizer) {
2341 gst_element_release_request_pad (GST_ELEMENT_CAST
2342 (playsink->stream_synchronizer),
2343 playsink->video_sinkpad_stream_synchronizer);
2344 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
2345 playsink->video_sinkpad_stream_synchronizer = NULL;
2346 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
2347 playsink->video_srcpad_stream_synchronizer = NULL;
2350 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
2351 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
2352 if (playsink->videochain->ts_offset)
2353 gst_object_unref (playsink->videochain->ts_offset);
2354 playsink->videochain->ts_offset = NULL;
2357 if (playsink->videodeinterlacechain) {
2358 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
2359 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
2362 if (playsink->video_pad)
2363 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL);
2369 GST_DEBUG_OBJECT (playsink, "adding audio");
2371 /* get a raw sink if we are asked for a raw pad */
2372 raw = playsink->audio_pad_raw;
2374 if (playsink->audiochain) {
2375 /* try to reactivate the chain */
2376 if (!setup_audio_chain (playsink, raw)) {
2377 GST_DEBUG_OBJECT (playsink, "removing current audio chain");
2378 if (playsink->audio_tee_asrc) {
2379 gst_element_release_request_pad (playsink->audio_tee,
2380 playsink->audio_tee_asrc);
2381 gst_object_unref (playsink->audio_tee_asrc);
2382 playsink->audio_tee_asrc = NULL;
2385 if (playsink->audio_sinkpad_stream_synchronizer) {
2386 gst_element_release_request_pad (GST_ELEMENT_CAST
2387 (playsink->stream_synchronizer),
2388 playsink->audio_sinkpad_stream_synchronizer);
2389 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
2390 playsink->audio_sinkpad_stream_synchronizer = NULL;
2391 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
2392 playsink->audio_srcpad_stream_synchronizer = NULL;
2395 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
2397 /* Remove the sink from the bin to keep its state
2398 * and unparent it to allow reuse */
2399 if (playsink->audiochain->sink)
2400 gst_bin_remove (GST_BIN_CAST (playsink->audiochain->chain.bin),
2401 playsink->audiochain->sink);
2403 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
2404 disconnect_chain (playsink->audiochain, playsink);
2405 playsink->audiochain->volume = NULL;
2406 playsink->audiochain->mute = NULL;
2407 if (playsink->audiochain->ts_offset)
2408 gst_object_unref (playsink->audiochain->ts_offset);
2409 playsink->audiochain->ts_offset = NULL;
2410 free_chain ((GstPlayChain *) playsink->audiochain);
2411 playsink->audiochain = NULL;
2412 playsink->volume_changed = playsink->mute_changed = FALSE;
2416 if (!playsink->audiochain) {
2417 GST_DEBUG_OBJECT (playsink, "creating new audio chain");
2418 playsink->audiochain = gen_audio_chain (playsink, raw);
2421 if (!playsink->audio_sinkpad_stream_synchronizer) {
2424 playsink->audio_sinkpad_stream_synchronizer =
2425 gst_element_get_request_pad (GST_ELEMENT_CAST
2426 (playsink->stream_synchronizer), "sink_%d");
2427 it = gst_pad_iterate_internal_links
2428 (playsink->audio_sinkpad_stream_synchronizer);
2430 gst_iterator_next (it,
2431 (gpointer *) & playsink->audio_srcpad_stream_synchronizer);
2432 g_assert (playsink->audio_srcpad_stream_synchronizer);
2433 gst_iterator_free (it);
2436 if (playsink->audiochain) {
2437 GST_DEBUG_OBJECT (playsink, "adding audio chain");
2438 if (playsink->audio_tee_asrc == NULL) {
2439 playsink->audio_tee_asrc =
2440 gst_element_get_request_pad (playsink->audio_tee, "src%d");
2442 add_chain (GST_PLAY_CHAIN (playsink->audiochain), TRUE);
2443 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), TRUE);
2444 gst_pad_link_full (playsink->audio_tee_asrc,
2445 playsink->audio_sinkpad_stream_synchronizer,
2446 GST_PAD_LINK_CHECK_NOTHING);
2447 gst_pad_link_full (playsink->audio_srcpad_stream_synchronizer,
2448 playsink->audiochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2451 GST_DEBUG_OBJECT (playsink, "no audio needed");
2452 /* we have no audio or we are requested to not play audio */
2453 if (playsink->audiochain) {
2454 GST_DEBUG_OBJECT (playsink, "removing audio chain");
2455 /* release the audio pad */
2456 if (playsink->audio_tee_asrc) {
2457 gst_element_release_request_pad (playsink->audio_tee,
2458 playsink->audio_tee_asrc);
2459 gst_object_unref (playsink->audio_tee_asrc);
2460 playsink->audio_tee_asrc = NULL;
2463 if (playsink->audio_sinkpad_stream_synchronizer) {
2464 gst_element_release_request_pad (GST_ELEMENT_CAST
2465 (playsink->stream_synchronizer),
2466 playsink->audio_sinkpad_stream_synchronizer);
2467 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
2468 playsink->audio_sinkpad_stream_synchronizer = NULL;
2469 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
2470 playsink->audio_srcpad_stream_synchronizer = NULL;
2473 if (playsink->audiochain->sink_volume) {
2474 disconnect_chain (playsink->audiochain, playsink);
2475 playsink->audiochain->volume = NULL;
2476 playsink->audiochain->mute = NULL;
2477 if (playsink->audiochain->ts_offset)
2478 gst_object_unref (playsink->audiochain->ts_offset);
2479 playsink->audiochain->ts_offset = NULL;
2481 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
2482 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
2489 if (!playsink->vischain)
2490 playsink->vischain = gen_vis_chain (playsink);
2492 GST_DEBUG_OBJECT (playsink, "adding visualisation");
2494 if (playsink->vischain) {
2495 GST_DEBUG_OBJECT (playsink, "setting up vis chain");
2497 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
2498 add_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
2499 activate_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
2500 if (playsink->audio_tee_vissrc == NULL) {
2501 playsink->audio_tee_vissrc =
2502 gst_element_get_request_pad (playsink->audio_tee, "src%d");
2504 gst_pad_link_full (playsink->audio_tee_vissrc,
2505 playsink->vischain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2506 gst_pad_link_full (srcpad, playsink->video_sinkpad_stream_synchronizer,
2507 GST_PAD_LINK_CHECK_NOTHING);
2508 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
2509 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2510 gst_object_unref (srcpad);
2513 GST_DEBUG_OBJECT (playsink, "no vis needed");
2514 if (playsink->vischain) {
2515 if (playsink->audio_tee_vissrc) {
2516 gst_element_release_request_pad (playsink->audio_tee,
2517 playsink->audio_tee_vissrc);
2518 gst_object_unref (playsink->audio_tee_vissrc);
2519 playsink->audio_tee_vissrc = NULL;
2521 GST_DEBUG_OBJECT (playsink, "removing vis chain");
2522 add_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
2523 activate_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
2528 GST_DEBUG_OBJECT (playsink, "adding text");
2529 if (!playsink->textchain) {
2530 GST_DEBUG_OBJECT (playsink, "creating text chain");
2531 playsink->textchain = gen_text_chain (playsink);
2533 if (playsink->textchain) {
2536 GST_DEBUG_OBJECT (playsink, "adding text chain");
2537 if (playsink->textchain->overlay)
2538 g_object_set (G_OBJECT (playsink->textchain->overlay), "silent", FALSE,
2540 add_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE);
2542 if (!playsink->text_sinkpad_stream_synchronizer) {
2543 playsink->text_sinkpad_stream_synchronizer =
2544 gst_element_get_request_pad (GST_ELEMENT_CAST
2545 (playsink->stream_synchronizer), "sink_%d");
2546 it = gst_pad_iterate_internal_links
2547 (playsink->text_sinkpad_stream_synchronizer);
2549 gst_iterator_next (it,
2550 (gpointer *) & playsink->text_srcpad_stream_synchronizer);
2551 g_assert (playsink->text_srcpad_stream_synchronizer);
2552 gst_iterator_free (it);
2554 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->text_pad),
2555 playsink->text_sinkpad_stream_synchronizer);
2556 gst_pad_link_full (playsink->text_srcpad_stream_synchronizer,
2557 playsink->textchain->textsinkpad, GST_PAD_LINK_CHECK_NOTHING);
2564 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
2565 gst_pad_unlink (srcpad, playsink->videochain->sinkpad);
2566 gst_pad_link_full (srcpad, playsink->textchain->videosinkpad,
2567 GST_PAD_LINK_CHECK_NOTHING);
2568 gst_object_unref (srcpad);
2570 if (need_deinterlace)
2571 gst_pad_link_full (playsink->videodeinterlacechain->srcpad,
2572 playsink->textchain->videosinkpad, GST_PAD_LINK_CHECK_NOTHING);
2574 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
2575 playsink->textchain->videosinkpad, GST_PAD_LINK_CHECK_NOTHING);
2577 gst_pad_link_full (playsink->textchain->srcpad,
2578 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
2580 activate_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE);
2583 GST_DEBUG_OBJECT (playsink, "no text needed");
2584 /* we have no subtitles/text or we are requested to not show them */
2586 if (playsink->text_sinkpad_stream_synchronizer) {
2587 gst_element_release_request_pad (GST_ELEMENT_CAST
2588 (playsink->stream_synchronizer),
2589 playsink->text_sinkpad_stream_synchronizer);
2590 gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
2591 playsink->text_sinkpad_stream_synchronizer = NULL;
2592 gst_object_unref (playsink->text_srcpad_stream_synchronizer);
2593 playsink->text_srcpad_stream_synchronizer = NULL;
2596 if (playsink->textchain) {
2597 if (playsink->text_pad == NULL) {
2598 /* no text pad, remove the chain entirely */
2599 GST_DEBUG_OBJECT (playsink, "removing text chain");
2600 add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
2601 activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
2603 /* we have a chain and a textpad, turn the subtitles off */
2604 GST_DEBUG_OBJECT (playsink, "turning off the text");
2605 if (playsink->textchain->overlay)
2606 g_object_set (G_OBJECT (playsink->textchain->overlay), "silent", TRUE,
2610 if (!need_video && playsink->video_pad) {
2611 if (playsink->video_sinkpad_stream_synchronizer) {
2612 gst_element_release_request_pad (GST_ELEMENT_CAST
2613 (playsink->stream_synchronizer),
2614 playsink->video_sinkpad_stream_synchronizer);
2615 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
2616 playsink->video_sinkpad_stream_synchronizer = NULL;
2617 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
2618 playsink->video_srcpad_stream_synchronizer = NULL;
2621 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL);
2624 if (playsink->text_pad && !playsink->textchain)
2625 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->text_pad), NULL);
2627 update_av_offset (playsink);
2628 do_async_done (playsink);
2629 GST_PLAY_SINK_UNLOCK (playsink);
2636 /* gen_ chain already posted error */
2637 GST_DEBUG_OBJECT (playsink, "failed to setup chain");
2638 GST_PLAY_SINK_UNLOCK (playsink);
2644 * gst_play_sink_set_flags:
2645 * @playsink: a #GstPlaySink
2646 * @flags: #GstPlayFlags
2648 * Configure @flags on @playsink. The flags control the behaviour of @playsink
2649 * when constructing the sink pipelins.
2651 * Returns: TRUE if the flags could be configured.
2654 gst_play_sink_set_flags (GstPlaySink * playsink, GstPlayFlags flags)
2656 g_return_val_if_fail (GST_IS_PLAY_SINK (playsink), FALSE);
2658 GST_OBJECT_LOCK (playsink);
2659 playsink->flags = flags;
2660 GST_OBJECT_UNLOCK (playsink);
2666 * gst_play_sink_get_flags:
2667 * @playsink: a #GstPlaySink
2669 * Get the flags of @playsink. That flags control the behaviour of the sink when
2670 * it constructs the sink pipelines.
2672 * Returns: the currently configured #GstPlayFlags.
2675 gst_play_sink_get_flags (GstPlaySink * playsink)
2679 g_return_val_if_fail (GST_IS_PLAY_SINK (playsink), 0);
2681 GST_OBJECT_LOCK (playsink);
2682 res = playsink->flags;
2683 GST_OBJECT_UNLOCK (playsink);
2689 gst_play_sink_set_font_desc (GstPlaySink * playsink, const gchar * desc)
2691 GstPlayTextChain *chain;
2693 GST_PLAY_SINK_LOCK (playsink);
2694 chain = (GstPlayTextChain *) playsink->textchain;
2695 g_free (playsink->font_desc);
2696 playsink->font_desc = g_strdup (desc);
2697 if (chain && chain->overlay) {
2698 g_object_set (chain->overlay, "font-desc", desc, NULL);
2700 GST_PLAY_SINK_UNLOCK (playsink);
2704 gst_play_sink_get_font_desc (GstPlaySink * playsink)
2706 gchar *result = NULL;
2707 GstPlayTextChain *chain;
2709 GST_PLAY_SINK_LOCK (playsink);
2710 chain = (GstPlayTextChain *) playsink->textchain;
2711 if (chain && chain->overlay) {
2712 g_object_get (chain->overlay, "font-desc", &result, NULL);
2713 playsink->font_desc = g_strdup (result);
2715 result = g_strdup (playsink->font_desc);
2717 GST_PLAY_SINK_UNLOCK (playsink);
2723 gst_play_sink_set_subtitle_encoding (GstPlaySink * playsink,
2724 const gchar * encoding)
2726 GstPlayTextChain *chain;
2728 GST_PLAY_SINK_LOCK (playsink);
2729 chain = (GstPlayTextChain *) playsink->textchain;
2730 g_free (playsink->subtitle_encoding);
2731 playsink->subtitle_encoding = g_strdup (encoding);
2732 if (chain && chain->overlay) {
2733 g_object_set (chain->overlay, "subtitle-encoding", encoding, NULL);
2735 GST_PLAY_SINK_UNLOCK (playsink);
2739 gst_play_sink_get_subtitle_encoding (GstPlaySink * playsink)
2741 gchar *result = NULL;
2742 GstPlayTextChain *chain;
2744 GST_PLAY_SINK_LOCK (playsink);
2745 chain = (GstPlayTextChain *) playsink->textchain;
2746 if (chain && chain->overlay) {
2747 g_object_get (chain->overlay, "subtitle-encoding", &result, NULL);
2748 playsink->subtitle_encoding = g_strdup (result);
2750 result = g_strdup (playsink->subtitle_encoding);
2752 GST_PLAY_SINK_UNLOCK (playsink);
2758 update_av_offset (GstPlaySink * playsink)
2761 GstPlayAudioChain *achain;
2762 GstPlayVideoChain *vchain;
2764 av_offset = playsink->av_offset;
2765 achain = (GstPlayAudioChain *) playsink->audiochain;
2766 vchain = (GstPlayVideoChain *) playsink->videochain;
2768 if (achain && vchain && achain->ts_offset && vchain->ts_offset) {
2769 g_object_set (achain->ts_offset, "ts-offset", MAX (0, -av_offset), NULL);
2770 g_object_set (vchain->ts_offset, "ts-offset", MAX (0, av_offset), NULL);
2772 GST_LOG_OBJECT (playsink, "no ts_offset elements");
2777 gst_play_sink_set_av_offset (GstPlaySink * playsink, gint64 av_offset)
2779 GST_PLAY_SINK_LOCK (playsink);
2780 playsink->av_offset = av_offset;
2781 update_av_offset (playsink);
2782 GST_PLAY_SINK_UNLOCK (playsink);
2786 gst_play_sink_get_av_offset (GstPlaySink * playsink)
2790 GST_PLAY_SINK_LOCK (playsink);
2791 result = playsink->av_offset;
2792 GST_PLAY_SINK_UNLOCK (playsink);
2798 * gst_play_sink_get_last_frame:
2799 * @playsink: a #GstPlaySink
2801 * Get the last displayed frame from @playsink. This frame is in the native
2802 * format of the sink element, the caps on the result buffer contain the format
2803 * of the frame data.
2805 * Returns: a #GstBuffer with the frame data or %NULL when no video frame is
2809 gst_play_sink_get_last_frame (GstPlaySink * playsink)
2811 GstBuffer *result = NULL;
2812 GstPlayVideoChain *chain;
2814 GST_PLAY_SINK_LOCK (playsink);
2815 GST_DEBUG_OBJECT (playsink, "taking last frame");
2816 /* get the video chain if we can */
2817 if ((chain = (GstPlayVideoChain *) playsink->videochain)) {
2818 GST_DEBUG_OBJECT (playsink, "found video chain");
2819 /* see if the chain is active */
2820 if (chain->chain.activated && chain->sink) {
2823 GST_DEBUG_OBJECT (playsink, "video chain active and has a sink");
2825 /* find and get the last-buffer property now */
2827 gst_play_sink_find_property (playsink, chain->sink,
2828 "last-buffer", GST_TYPE_BUFFER))) {
2829 GST_DEBUG_OBJECT (playsink, "getting last-buffer property");
2830 g_object_get (elem, "last-buffer", &result, NULL);
2831 gst_object_unref (elem);
2835 GST_PLAY_SINK_UNLOCK (playsink);
2841 * gst_play_sink_convert_frame:
2842 * @playsink: a #GstPlaySink
2845 * Get the last displayed frame from @playsink. If caps is %NULL, the video will
2846 * be in the native format of the sink element and the caps on the buffer
2847 * describe the format of the frame. If @caps is not %NULL, the video
2848 * frame will be converted to the format of the caps.
2850 * Returns: a #GstBuffer with the frame data or %NULL when no video frame is
2851 * available or when the conversion failed.
2854 gst_play_sink_convert_frame (GstPlaySink * playsink, GstCaps * caps)
2858 result = gst_play_sink_get_last_frame (playsink);
2859 if (result != NULL && caps != NULL) {
2863 temp = gst_video_convert_frame (result, caps, 25 * GST_SECOND, &err);
2864 gst_buffer_unref (result);
2865 if (temp == NULL && err) {
2866 /* I'm really uncertain whether we should make playsink post an error
2867 * on the bus or not. It's not like it's a critical issue regarding
2868 * playsink behaviour. */
2869 GST_ERROR ("Error converting frame: %s", err->message);
2877 is_raw_structure (GstStructure * s)
2881 name = gst_structure_get_name (s);
2883 if (g_str_has_prefix (name, "video/x-raw-") ||
2884 g_str_has_prefix (name, "audio/x-raw-"))
2890 is_raw_pad (GstPad * pad)
2892 GstPad *peer = gst_pad_get_peer (pad);
2894 gboolean raw = TRUE;
2899 caps = gst_pad_get_negotiated_caps (peer);
2903 caps = gst_pad_get_caps_reffed (peer);
2905 n = gst_caps_get_size (caps);
2906 for (i = 0; i < n; i++) {
2907 gboolean r = is_raw_structure (gst_caps_get_structure (caps, i));
2911 } else if (raw != r) {
2912 GST_ERROR_OBJECT (pad,
2913 "Caps contains raw and non-raw structures: %" GST_PTR_FORMAT, caps);
2919 raw = is_raw_structure (gst_caps_get_structure (caps, 0));
2921 gst_caps_unref (caps);
2922 gst_object_unref (peer);
2928 sinkpad_blocked_cb (GstPad * blockedpad, gboolean blocked, gpointer user_data)
2930 GstPlaySink *playsink = (GstPlaySink *) user_data;
2933 GST_PLAY_SINK_LOCK (playsink);
2935 pad = GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (blockedpad)));
2936 if (pad == playsink->video_pad) {
2937 playsink->video_pad_blocked = blocked;
2938 GST_DEBUG_OBJECT (pad, "Video pad blocked: %d", blocked);
2940 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_VIDEO_RAW);
2941 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_VIDEO);
2943 } else if (pad == playsink->audio_pad) {
2944 playsink->audio_pad_blocked = blocked;
2945 GST_DEBUG_OBJECT (pad, "Audio pad blocked: %d", blocked);
2947 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_AUDIO_RAW);
2948 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_AUDIO);
2950 } else if (pad == playsink->text_pad) {
2951 playsink->text_pad_blocked = blocked;
2952 GST_DEBUG_OBJECT (pad, "Text pad blocked: %d", blocked);
2954 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_TEXT);
2958 gst_object_unref (pad);
2959 GST_PLAY_SINK_UNLOCK (playsink);
2963 /* We reconfigure when for ALL streams:
2964 * * there isn't a pad
2965 * * OR the pad is blocked
2966 * * OR there are no pending blocks on that pad
2969 if ((!playsink->video_pad || playsink->video_pad_blocked
2970 || !PENDING_VIDEO_BLOCK (playsink)) && (!playsink->audio_pad
2971 || playsink->audio_pad_blocked || !PENDING_AUDIO_BLOCK (playsink))
2972 && (!playsink->text_pad || playsink->text_pad_blocked
2973 || !PENDING_TEXT_BLOCK (playsink))) {
2974 GST_DEBUG_OBJECT (playsink, "All pads blocked -- reconfiguring");
2976 if (playsink->video_pad) {
2977 playsink->video_pad_raw = is_raw_pad (playsink->video_pad);
2978 GST_DEBUG_OBJECT (playsink, "Video pad is raw: %d",
2979 playsink->video_pad_raw);
2982 if (playsink->audio_pad) {
2983 playsink->audio_pad_raw = is_raw_pad (playsink->audio_pad);
2984 GST_DEBUG_OBJECT (playsink, "Audio pad is raw: %d",
2985 playsink->audio_pad_raw);
2988 gst_play_sink_reconfigure (playsink);
2990 if (playsink->video_pad) {
2992 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
2993 (playsink->video_pad)));
2994 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
2995 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
2996 gst_object_unref (opad);
2999 if (playsink->audio_pad) {
3001 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3002 (playsink->audio_pad)));
3003 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
3004 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3005 gst_object_unref (opad);
3008 if (playsink->text_pad) {
3010 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3011 (playsink->text_pad)));
3012 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
3013 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3014 gst_object_unref (opad);
3018 gst_object_unref (pad);
3020 GST_PLAY_SINK_UNLOCK (playsink);
3024 caps_notify_cb (GstPad * pad, GParamSpec * unused, GstPlaySink * playsink)
3026 gboolean reconfigure = FALSE;
3030 g_object_get (pad, "caps", &caps, NULL);
3034 if (pad == playsink->audio_pad) {
3035 raw = is_raw_pad (pad);
3036 reconfigure = (!!playsink->audio_pad_raw != !!raw)
3037 && playsink->audiochain;
3038 GST_DEBUG_OBJECT (pad,
3039 "Audio caps changed: raw %d reconfigure %d caps %" GST_PTR_FORMAT, raw,
3041 } else if (pad == playsink->video_pad) {
3042 raw = is_raw_pad (pad);
3043 reconfigure = (!!playsink->video_pad_raw != !!raw)
3044 && playsink->videochain;
3045 GST_DEBUG_OBJECT (pad,
3046 "Video caps changed: raw %d reconfigure %d caps %" GST_PTR_FORMAT, raw,
3050 gst_caps_unref (caps);
3053 GST_PLAY_SINK_LOCK (playsink);
3054 if (playsink->video_pad) {
3056 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3057 (playsink->video_pad)));
3058 gst_pad_set_blocked_async_full (opad, TRUE, sinkpad_blocked_cb,
3059 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3060 gst_object_unref (opad);
3063 if (playsink->audio_pad) {
3065 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3066 (playsink->audio_pad)));
3067 gst_pad_set_blocked_async_full (opad, TRUE, sinkpad_blocked_cb,
3068 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3069 gst_object_unref (opad);
3072 if (playsink->text_pad) {
3074 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3075 (playsink->text_pad)));
3076 gst_pad_set_blocked_async_full (opad, TRUE, sinkpad_blocked_cb,
3077 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3078 gst_object_unref (opad);
3080 GST_PLAY_SINK_UNLOCK (playsink);
3085 * gst_play_sink_request_pad
3086 * @playsink: a #GstPlaySink
3087 * @type: a #GstPlaySinkType
3089 * Create or return a pad of @type.
3091 * Returns: a #GstPad of @type or %NULL when the pad could not be created.
3094 gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
3097 gboolean created = FALSE;
3098 gboolean activate = TRUE;
3099 const gchar *pad_name = NULL;
3101 GST_DEBUG_OBJECT (playsink, "request pad type %d", type);
3103 GST_PLAY_SINK_LOCK (playsink);
3105 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
3106 case GST_PLAY_SINK_TYPE_AUDIO:
3107 pad_name = "audio_sink";
3108 if (!playsink->audio_tee) {
3109 GST_LOG_OBJECT (playsink, "creating tee");
3110 /* create tee when needed. This element will feed the audio sink chain
3111 * and the vis chain. */
3112 playsink->audio_tee = gst_element_factory_make ("tee", "audiotee");
3113 if (playsink->audio_tee == NULL) {
3114 post_missing_element_message (playsink, "tee");
3115 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
3116 (_("Missing element '%s' - check your GStreamer installation."),
3121 playsink->audio_tee_sink =
3122 gst_element_get_static_pad (playsink->audio_tee, "sink");
3123 gst_bin_add (GST_BIN_CAST (playsink), playsink->audio_tee);
3124 gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
3127 gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
3129 if (!playsink->audio_pad) {
3130 GST_LOG_OBJECT (playsink, "ghosting tee sinkpad");
3131 playsink->audio_pad =
3132 gst_ghost_pad_new (pad_name, playsink->audio_tee_sink);
3133 g_signal_connect (G_OBJECT (playsink->audio_pad), "notify::caps",
3134 G_CALLBACK (caps_notify_cb), playsink);
3137 playsink->audio_pad_raw = FALSE;
3138 res = playsink->audio_pad;
3140 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
3141 case GST_PLAY_SINK_TYPE_VIDEO:
3142 pad_name = "video_sink";
3143 if (!playsink->video_pad) {
3144 GST_LOG_OBJECT (playsink, "ghosting videosink");
3145 playsink->video_pad =
3146 gst_ghost_pad_new_no_target (pad_name, GST_PAD_SINK);
3147 g_signal_connect (G_OBJECT (playsink->video_pad), "notify::caps",
3148 G_CALLBACK (caps_notify_cb), playsink);
3151 playsink->video_pad_raw = FALSE;
3152 res = playsink->video_pad;
3154 case GST_PLAY_SINK_TYPE_TEXT:
3155 GST_LOG_OBJECT (playsink, "ghosting text");
3156 if (!playsink->text_pad) {
3157 playsink->text_pad =
3158 gst_ghost_pad_new_no_target ("text_sink", GST_PAD_SINK);
3161 res = playsink->text_pad;
3163 case GST_PLAY_SINK_TYPE_FLUSHING:
3167 /* we need a unique padname for the flushing pad. */
3168 padname = g_strdup_printf ("flushing_%d", playsink->count);
3169 res = gst_ghost_pad_new_no_target (padname, GST_PAD_SINK);
3180 GST_PLAY_SINK_UNLOCK (playsink);
3182 if (created && res) {
3183 /* we have to add the pad when it's active or we get an error when the
3184 * element is 'running' */
3185 gst_pad_set_active (res, TRUE);
3186 gst_element_add_pad (GST_ELEMENT_CAST (playsink), res);
3187 if (type != GST_PLAY_SINK_TYPE_FLUSHING) {
3189 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (res)));
3191 gst_pad_set_blocked_async_full (blockpad, TRUE, sinkpad_blocked_cb,
3192 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3193 PENDING_FLAG_SET (playsink, type);
3194 gst_object_unref (blockpad);
3197 gst_pad_set_active (res, activate);
3204 gst_play_sink_request_new_pad (GstElement * element, GstPadTemplate * templ,
3209 GstPlaySinkType type;
3210 const gchar *tplname;
3212 g_return_val_if_fail (templ != NULL, NULL);
3214 GST_DEBUG_OBJECT (element, "name:%s", name);
3216 psink = GST_PLAY_SINK (element);
3217 tplname = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
3219 /* Figure out the GstPlaySinkType based on the template */
3220 if (!strcmp (tplname, "audio_sink"))
3221 type = GST_PLAY_SINK_TYPE_AUDIO;
3222 else if (!strcmp (tplname, "audio_raw_sink"))
3223 type = GST_PLAY_SINK_TYPE_AUDIO_RAW;
3224 else if (!strcmp (tplname, "video_sink"))
3225 type = GST_PLAY_SINK_TYPE_VIDEO;
3226 else if (!strcmp (tplname, "video_raw_sink"))
3227 type = GST_PLAY_SINK_TYPE_VIDEO_RAW;
3228 else if (!strcmp (tplname, "text_sink"))
3229 type = GST_PLAY_SINK_TYPE_TEXT;
3231 goto unknown_template;
3233 pad = gst_play_sink_request_pad (psink, type);
3237 GST_WARNING_OBJECT (element, "Unknown pad template");
3242 gst_play_sink_release_pad (GstPlaySink * playsink, GstPad * pad)
3244 GstPad **res = NULL;
3245 gboolean untarget = TRUE;
3247 GST_DEBUG_OBJECT (playsink, "release pad %" GST_PTR_FORMAT, pad);
3249 GST_PLAY_SINK_LOCK (playsink);
3250 if (pad == playsink->video_pad) {
3251 res = &playsink->video_pad;
3252 g_signal_handlers_disconnect_by_func (playsink->video_pad, caps_notify_cb,
3254 } else if (pad == playsink->audio_pad) {
3255 res = &playsink->audio_pad;
3256 g_signal_handlers_disconnect_by_func (playsink->audio_pad, caps_notify_cb,
3258 } else if (pad == playsink->text_pad) {
3259 res = &playsink->text_pad;
3261 /* try to release the given pad anyway, these could be the FLUSHING pads. */
3265 GST_PLAY_SINK_UNLOCK (playsink);
3268 GST_DEBUG_OBJECT (playsink, "deactivate pad %" GST_PTR_FORMAT, *res);
3269 gst_pad_set_active (*res, FALSE);
3271 GST_DEBUG_OBJECT (playsink, "untargeting pad %" GST_PTR_FORMAT, *res);
3272 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (*res), NULL);
3274 GST_DEBUG_OBJECT (playsink, "remove pad %" GST_PTR_FORMAT, *res);
3275 gst_element_remove_pad (GST_ELEMENT_CAST (playsink), *res);
3281 gst_play_sink_release_request_pad (GstElement * element, GstPad * pad)
3283 GstPlaySink *psink = GST_PLAY_SINK (element);
3285 gst_play_sink_release_pad (psink, pad);
3289 gst_play_sink_handle_message (GstBin * bin, GstMessage * message)
3291 GstPlaySink *playsink;
3293 playsink = GST_PLAY_SINK_CAST (bin);
3295 switch (GST_MESSAGE_TYPE (message)) {
3296 case GST_MESSAGE_STEP_DONE:
3301 gboolean flush, intermediate, eos;
3304 GST_INFO_OBJECT (playsink, "Handling step-done message");
3305 gst_message_parse_step_done (message, &format, &amount, &rate, &flush,
3306 &intermediate, &duration, &eos);
3308 if (format == GST_FORMAT_BUFFERS) {
3309 /* for the buffer format, we align the other streams */
3310 if (playsink->audiochain) {
3314 gst_event_new_step (GST_FORMAT_TIME, duration, rate, flush,
3317 if (!gst_element_send_event (playsink->audiochain->chain.bin, event)) {
3318 GST_DEBUG_OBJECT (playsink, "Event failed when sent to audio sink");
3322 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (bin, message);
3326 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (bin, message);
3331 /* Send an event to our sinks until one of them works; don't then send to the
3332 * remaining sinks (unlike GstBin)
3333 * Special case: If a text sink is set we need to send the event
3334 * to them in case it's source is different from the a/v stream's source.
3337 gst_play_sink_send_event_to_sink (GstPlaySink * playsink, GstEvent * event)
3339 gboolean res = TRUE;
3341 if (playsink->textchain && playsink->textchain->sink) {
3342 gst_event_ref (event);
3343 if ((res = gst_element_send_event (playsink->textchain->chain.bin, event))) {
3344 GST_DEBUG_OBJECT (playsink, "Sent event successfully to text sink");
3346 GST_DEBUG_OBJECT (playsink, "Event failed when sent to text sink");
3350 if (playsink->videochain) {
3351 gst_event_ref (event);
3352 if ((res = gst_element_send_event (playsink->videochain->chain.bin, event))) {
3353 GST_DEBUG_OBJECT (playsink, "Sent event successfully to video sink");
3356 GST_DEBUG_OBJECT (playsink, "Event failed when sent to video sink");
3358 if (playsink->audiochain) {
3359 gst_event_ref (event);
3360 if ((res = gst_element_send_event (playsink->audiochain->chain.bin, event))) {
3361 GST_DEBUG_OBJECT (playsink, "Sent event successfully to audio sink");
3364 GST_DEBUG_OBJECT (playsink, "Event failed when sent to audio sink");
3368 gst_event_unref (event);
3372 /* We only want to send the event to a single sink (overriding GstBin's
3373 * behaviour), but we want to keep GstPipeline's behaviour - wrapping seek
3374 * events appropriately. So, this is a messy duplication of code. */
3376 gst_play_sink_send_event (GstElement * element, GstEvent * event)
3378 gboolean res = FALSE;
3379 GstEventType event_type = GST_EVENT_TYPE (event);
3380 GstPlaySink *playsink;
3382 playsink = GST_PLAY_SINK_CAST (element);
3384 switch (event_type) {
3385 case GST_EVENT_SEEK:
3386 GST_DEBUG_OBJECT (element, "Sending event to a sink");
3387 res = gst_play_sink_send_event_to_sink (playsink, event);
3389 case GST_EVENT_STEP:
3394 gboolean flush, intermediate;
3396 gst_event_parse_step (event, &format, &amount, &rate, &flush,
3399 if (format == GST_FORMAT_BUFFERS) {
3400 /* for buffers, we will try to step video frames, for other formats we
3401 * send the step to all sinks */
3402 res = gst_play_sink_send_event_to_sink (playsink, event);
3405 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->send_event (element,
3412 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->send_event (element,
3419 static GstStateChangeReturn
3420 gst_play_sink_change_state (GstElement * element, GstStateChange transition)
3422 GstStateChangeReturn ret;
3423 GstStateChangeReturn bret;
3425 GstPlaySink *playsink;
3427 playsink = GST_PLAY_SINK (element);
3429 switch (transition) {
3430 case GST_STATE_CHANGE_READY_TO_PAUSED:
3431 playsink->need_async_start = TRUE;
3432 /* we want to go async to PAUSED until we managed to configure and add the
3434 do_async_start (playsink);
3435 ret = GST_STATE_CHANGE_ASYNC;
3437 case GST_STATE_CHANGE_PAUSED_TO_READY:
3438 /* unblock all pads here */
3439 GST_PLAY_SINK_LOCK (playsink);
3440 if (playsink->video_pad) {
3442 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3443 (playsink->video_pad)));
3444 if (gst_pad_is_blocked (opad)) {
3445 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
3446 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3448 gst_object_unref (opad);
3449 playsink->video_pad_blocked = FALSE;
3452 if (playsink->audio_pad) {
3454 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3455 (playsink->audio_pad)));
3457 if (gst_pad_is_blocked (opad)) {
3458 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
3459 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3461 gst_object_unref (opad);
3462 playsink->audio_pad_blocked = FALSE;
3465 if (playsink->text_pad) {
3467 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3468 (playsink->text_pad)));
3469 if (gst_pad_is_blocked (opad)) {
3470 gst_pad_set_blocked_async_full (opad, FALSE, sinkpad_blocked_cb,
3471 gst_object_ref (playsink), (GDestroyNotify) gst_object_unref);
3473 gst_object_unref (opad);
3474 playsink->text_pad_blocked = FALSE;
3476 GST_PLAY_SINK_UNLOCK (playsink);
3478 case GST_STATE_CHANGE_READY_TO_NULL:
3479 if (playsink->audiochain && playsink->audiochain->sink_volume) {
3480 /* remove our links to the mute and volume elements when they were
3481 * provided by a sink */
3482 disconnect_chain (playsink->audiochain, playsink);
3483 playsink->audiochain->volume = NULL;
3484 playsink->audiochain->mute = NULL;
3487 if (playsink->audiochain && playsink->audiochain->ts_offset) {
3488 gst_object_unref (playsink->audiochain->ts_offset);
3489 playsink->audiochain->ts_offset = NULL;
3492 if (playsink->videochain && playsink->videochain->ts_offset) {
3493 gst_object_unref (playsink->videochain->ts_offset);
3494 playsink->videochain->ts_offset = NULL;
3496 ret = GST_STATE_CHANGE_SUCCESS;
3499 /* all other state changes return SUCCESS by default, this value can be
3500 * overridden by the result of the children */
3501 ret = GST_STATE_CHANGE_SUCCESS;
3505 /* do the state change of the children */
3507 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->change_state (element,
3509 /* now look at the result of our children and adjust the return value */
3511 case GST_STATE_CHANGE_FAILURE:
3512 /* failure, we stop */
3513 goto activate_failed;
3514 case GST_STATE_CHANGE_NO_PREROLL:
3515 /* some child returned NO_PREROLL. This is strange but we never know. We
3516 * commit our async state change (if any) and return the NO_PREROLL */
3517 do_async_done (playsink);
3520 case GST_STATE_CHANGE_ASYNC:
3521 /* some child was async, return this */
3525 /* return our previously configured return value */
3529 switch (transition) {
3530 case GST_STATE_CHANGE_READY_TO_PAUSED:
3532 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
3533 /* FIXME Release audio device when we implement that */
3534 playsink->need_async_start = TRUE;
3536 case GST_STATE_CHANGE_PAUSED_TO_READY:{
3537 if (playsink->video_sinkpad_stream_synchronizer) {
3538 gst_element_release_request_pad (GST_ELEMENT_CAST
3539 (playsink->stream_synchronizer),
3540 playsink->video_sinkpad_stream_synchronizer);
3541 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
3542 playsink->video_sinkpad_stream_synchronizer = NULL;
3543 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
3544 playsink->video_srcpad_stream_synchronizer = NULL;
3546 if (playsink->audio_sinkpad_stream_synchronizer) {
3547 gst_element_release_request_pad (GST_ELEMENT_CAST
3548 (playsink->stream_synchronizer),
3549 playsink->audio_sinkpad_stream_synchronizer);
3550 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
3551 playsink->audio_sinkpad_stream_synchronizer = NULL;
3552 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
3553 playsink->audio_srcpad_stream_synchronizer = NULL;
3555 if (playsink->text_sinkpad_stream_synchronizer) {
3556 gst_element_release_request_pad (GST_ELEMENT_CAST
3557 (playsink->stream_synchronizer),
3558 playsink->text_sinkpad_stream_synchronizer);
3559 gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
3560 playsink->text_sinkpad_stream_synchronizer = NULL;
3561 gst_object_unref (playsink->text_srcpad_stream_synchronizer);
3562 playsink->text_srcpad_stream_synchronizer = NULL;
3566 case GST_STATE_CHANGE_READY_TO_NULL:
3567 /* remove sinks we added */
3568 if (playsink->videodeinterlacechain) {
3569 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain),
3571 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
3573 if (playsink->videochain) {
3574 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3575 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3577 if (playsink->audiochain) {
3578 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3579 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3581 if (playsink->vischain) {
3582 activate_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
3583 add_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
3585 if (playsink->textchain) {
3586 activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
3587 add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
3589 do_async_done (playsink);
3590 /* when going to READY, keep elements around as long as possible,
3591 * so they may be re-used faster next time/url around.
3592 * when really going to NULL, clean up everything completely. */
3593 if (transition == GST_STATE_CHANGE_READY_TO_NULL) {
3595 /* Unparent the sinks to allow reuse */
3596 if (playsink->videochain && playsink->videochain->sink)
3597 gst_bin_remove (GST_BIN_CAST (playsink->videochain->chain.bin),
3598 playsink->videochain->sink);
3599 if (playsink->audiochain && playsink->audiochain->sink)
3600 gst_bin_remove (GST_BIN_CAST (playsink->audiochain->chain.bin),
3601 playsink->audiochain->sink);
3602 if (playsink->textchain && playsink->textchain->sink)
3603 gst_bin_remove (GST_BIN_CAST (playsink->textchain->chain.bin),
3604 playsink->textchain->sink);
3606 if (playsink->audio_sink != NULL)
3607 gst_element_set_state (playsink->audio_sink, GST_STATE_NULL);
3608 if (playsink->video_sink != NULL)
3609 gst_element_set_state (playsink->video_sink, GST_STATE_NULL);
3610 if (playsink->visualisation != NULL)
3611 gst_element_set_state (playsink->visualisation, GST_STATE_NULL);
3612 if (playsink->text_sink != NULL)
3613 gst_element_set_state (playsink->text_sink, GST_STATE_NULL);
3615 free_chain ((GstPlayChain *) playsink->videodeinterlacechain);
3616 playsink->videodeinterlacechain = NULL;
3617 free_chain ((GstPlayChain *) playsink->videochain);
3618 playsink->videochain = NULL;
3619 free_chain ((GstPlayChain *) playsink->audiochain);
3620 playsink->audiochain = NULL;
3621 free_chain ((GstPlayChain *) playsink->vischain);
3622 playsink->vischain = NULL;
3623 free_chain ((GstPlayChain *) playsink->textchain);
3624 playsink->textchain = NULL;
3635 GST_DEBUG_OBJECT (element,
3636 "element failed to change states -- activation problem?");
3637 return GST_STATE_CHANGE_FAILURE;
3642 gst_play_sink_set_property (GObject * object, guint prop_id,
3643 const GValue * value, GParamSpec * spec)
3645 GstPlaySink *playsink = GST_PLAY_SINK (object);
3649 gst_play_sink_set_flags (playsink, g_value_get_flags (value));
3652 gst_play_sink_set_volume (playsink, g_value_get_double (value));
3655 gst_play_sink_set_mute (playsink, g_value_get_boolean (value));
3657 case PROP_FONT_DESC:
3658 gst_play_sink_set_font_desc (playsink, g_value_get_string (value));
3660 case PROP_SUBTITLE_ENCODING:
3661 gst_play_sink_set_subtitle_encoding (playsink,
3662 g_value_get_string (value));
3664 case PROP_VIS_PLUGIN:
3665 gst_play_sink_set_vis_plugin (playsink, g_value_get_object (value));
3667 case PROP_AV_OFFSET:
3668 gst_play_sink_set_av_offset (playsink, g_value_get_int64 (value));
3670 case PROP_VIDEO_SINK:
3671 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_VIDEO,
3672 g_value_get_object (value));
3674 case PROP_AUDIO_SINK:
3675 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_AUDIO,
3676 g_value_get_object (value));
3678 case PROP_TEXT_SINK:
3679 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_TEXT,
3680 g_value_get_object (value));
3683 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
3689 gst_play_sink_get_property (GObject * object, guint prop_id,
3690 GValue * value, GParamSpec * spec)
3692 GstPlaySink *playsink = GST_PLAY_SINK (object);
3696 g_value_set_flags (value, gst_play_sink_get_flags (playsink));
3699 g_value_set_double (value, gst_play_sink_get_volume (playsink));
3702 g_value_set_boolean (value, gst_play_sink_get_mute (playsink));
3704 case PROP_FONT_DESC:
3705 g_value_take_string (value, gst_play_sink_get_font_desc (playsink));
3707 case PROP_SUBTITLE_ENCODING:
3708 g_value_take_string (value,
3709 gst_play_sink_get_subtitle_encoding (playsink));
3711 case PROP_VIS_PLUGIN:
3712 g_value_take_object (value, gst_play_sink_get_vis_plugin (playsink));
3715 gst_value_take_buffer (value, gst_play_sink_get_last_frame (playsink));
3717 case PROP_AV_OFFSET:
3718 g_value_set_int64 (value, gst_play_sink_get_av_offset (playsink));
3720 case PROP_VIDEO_SINK:
3721 g_value_take_object (value, gst_play_sink_get_sink (playsink,
3722 GST_PLAY_SINK_TYPE_VIDEO));
3724 case PROP_AUDIO_SINK:
3725 g_value_take_object (value, gst_play_sink_get_sink (playsink,
3726 GST_PLAY_SINK_TYPE_AUDIO));
3728 case PROP_TEXT_SINK:
3729 g_value_take_object (value, gst_play_sink_get_sink (playsink,
3730 GST_PLAY_SINK_TYPE_TEXT));
3733 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
3740 gst_play_sink_plugin_init (GstPlugin * plugin)
3742 GST_DEBUG_CATEGORY_INIT (gst_play_sink_debug, "playsink", 0, "play bin");
3744 return gst_element_register (plugin, "playsink", GST_RANK_NONE,
3745 GST_TYPE_PLAY_SINK);