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.
28 #include <gst/gst-i18n-plugin.h>
29 #include <gst/pbutils/pbutils.h>
30 #include <gst/video/video.h>
31 #include <gst/audio/streamvolume.h>
32 #include <gst/video/colorbalance.h>
33 #include <gst/video/videooverlay.h>
34 #include <gst/video/navigation.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 | GST_PLAY_FLAG_SOFT_COLORBALANCE
49 #define GST_PLAY_CHAIN(c) ((GstPlayChain *)(c))
53 * GstPlaySinkSendEventMode:
54 * @MODE_DEFAULT: default GstBin's send_event handling
55 * @MODE_FIRST: send event only to the first sink that return true
57 * Send event handling to use
63 } GstPlaySinkSendEventMode;
66 #define GST_TYPE_PLAY_SINK_SEND_EVENT_MODE (gst_play_sink_send_event_mode_get_type ())
68 gst_play_sink_send_event_mode_get_type (void)
70 static GType gtype = 0;
73 static const GEnumValue values[] = {
74 {MODE_DEFAULT, "Default GstBin's send_event handling (default)",
76 {MODE_FIRST, "Sends the event to sinks until the first one handles it",
81 gtype = g_enum_register_static ("GstPlaySinkSendEventMode", values);
86 /* holds the common data fields for the audio and video pipelines. We keep them
87 * in a structure to more easily have all the info available. */
90 GstPlaySink *playsink;
103 GstElement *volume; /* element with the volume property */
104 gboolean sink_volume; /* if the volume was provided by the sink */
105 GstElement *mute; /* element with the mute property */
107 GstElement *ts_offset;
113 GstPad *sinkpad, *srcpad;
115 GstElement *deinterlace;
116 } GstPlayVideoDeinterlaceChain;
126 GstElement *ts_offset;
135 GstElement *resample;
136 GstPad *blockpad; /* srcpad of resample, used for switching the vis */
137 GstPad *vissinkpad; /* visualisation sinkpad, */
139 GstPad *vissrcpad; /* visualisation srcpad, */
140 GstPad *srcpad; /* outgoing srcpad, used to connect to the next
149 GstElement *identity;
151 GstPad *videosinkpad;
153 GstPad *srcpad; /* outgoing srcpad, used to connect to the next
155 GstElement *sink; /* custom sink to receive subtitle buffers */
158 #define GST_PLAY_SINK_GET_LOCK(playsink) (&((GstPlaySink *)playsink)->lock)
159 #define GST_PLAY_SINK_LOCK(playsink) G_STMT_START { \
160 GST_LOG_OBJECT (playsink, "locking from thread %p", g_thread_self ()); \
161 g_rec_mutex_lock (GST_PLAY_SINK_GET_LOCK (playsink)); \
162 GST_LOG_OBJECT (playsink, "locked from thread %p", g_thread_self ()); \
164 #define GST_PLAY_SINK_UNLOCK(playsink) G_STMT_START { \
165 GST_LOG_OBJECT (playsink, "unlocking from thread %p", g_thread_self ()); \
166 g_rec_mutex_unlock (GST_PLAY_SINK_GET_LOCK (playsink)); \
169 #define PENDING_FLAG_SET(playsink, flagtype) \
170 ((playsink->pending_blocked_pads) |= (1 << flagtype))
171 #define PENDING_FLAG_UNSET(playsink, flagtype) \
172 ((playsink->pending_blocked_pads) &= ~(1 << flagtype))
173 #define PENDING_FLAG_IS_SET(playsink, flagtype) \
174 ((playsink->pending_blocked_pads) & (1 << flagtype))
175 #define PENDING_VIDEO_BLOCK(playsink) \
176 ((playsink->pending_blocked_pads) & (1 << GST_PLAY_SINK_TYPE_VIDEO_RAW | 1 << GST_PLAY_SINK_TYPE_VIDEO))
177 #define PENDING_AUDIO_BLOCK(playsink) \
178 ((playsink->pending_blocked_pads) & (1 << GST_PLAY_SINK_TYPE_AUDIO_RAW | 1 << GST_PLAY_SINK_TYPE_AUDIO))
179 #define PENDING_TEXT_BLOCK(playsink) \
180 PENDING_FLAG_IS_SET(playsink, GST_PLAY_SINK_TYPE_TEXT)
188 gboolean async_pending;
189 gboolean need_async_start;
193 GstStreamSynchronizer *stream_synchronizer;
196 GstPlayAudioChain *audiochain;
197 GstPlayVideoDeinterlaceChain *videodeinterlacechain;
198 GstPlayVideoChain *videochain;
199 GstPlayVisChain *vischain;
200 GstPlayTextChain *textchain;
204 gboolean audio_pad_raw;
205 gboolean audio_pad_blocked;
206 GstPad *audio_srcpad_stream_synchronizer;
207 GstPad *audio_sinkpad_stream_synchronizer;
208 gulong audio_block_id;
210 GstElement *audio_tee;
211 GstPad *audio_tee_sink;
212 GstPad *audio_tee_asrc;
213 GstPad *audio_tee_vissrc;
216 gboolean video_pad_raw;
217 gboolean video_pad_blocked;
218 GstPad *video_srcpad_stream_synchronizer;
219 GstPad *video_sinkpad_stream_synchronizer;
220 gulong video_block_id;
223 gboolean text_pad_blocked;
224 GstPad *text_srcpad_stream_synchronizer;
225 GstPad *text_sinkpad_stream_synchronizer;
226 gulong text_block_id;
228 guint32 pending_blocked_pads;
231 GstElement *audio_sink;
232 GstElement *video_sink;
233 GstElement *visualisation;
234 GstElement *text_sink;
237 gchar *font_desc; /* font description */
238 gchar *subtitle_encoding; /* subtitle encoding */
239 guint connection_speed; /* connection speed in bits/sec (0 = unknown) */
241 gboolean volume_changed; /* volume/mute changed while no audiochain */
242 gboolean mute_changed; /* ... has been created yet */
244 GstPlaySinkSendEventMode send_event_mode;
245 gboolean force_aspect_ratio;
247 /* videooverlay proxy interface */
248 GstVideoOverlay *overlay_element; /* protected with LOCK */
249 gboolean overlay_handle_set;
250 guintptr overlay_handle;
251 gboolean overlay_render_rectangle_set;
252 gint overlay_x, overlay_y, overlay_width, overlay_height;
253 gboolean overlay_handle_events_set;
254 gboolean overlay_handle_events;
256 /* colorbalance proxy interface */
257 GstColorBalance *colorbalance_element;
258 GList *colorbalance_channels; /* CONTRAST, BRIGHTNESS, HUE, SATURATION */
259 gint colorbalance_values[4];
261 /* sending audio/video flushes break stream changes when the pipeline
262 * is paused and played again in 0.10 */
264 GstSegment video_segment;
265 gboolean video_custom_flush_finished;
266 gboolean video_ignore_wrong_state;
267 gboolean video_pending_flush;
269 GstSegment audio_segment;
270 gboolean audio_custom_flush_finished;
271 gboolean audio_ignore_wrong_state;
272 gboolean audio_pending_flush;
275 GstSegment text_segment;
276 gboolean text_custom_flush_finished;
277 gboolean text_ignore_wrong_state;
278 gboolean text_pending_flush;
281 struct _GstPlaySinkClass
283 GstBinClass parent_class;
285 gboolean (*reconfigure) (GstPlaySink * playsink);
287 GstSample *(*convert_sample) (GstPlaySink * playsink, GstCaps * caps);
291 static GstStaticPadTemplate audiotemplate =
292 GST_STATIC_PAD_TEMPLATE ("audio_sink",
295 GST_STATIC_CAPS_ANY);
296 static GstStaticPadTemplate videotemplate =
297 GST_STATIC_PAD_TEMPLATE ("video_sink",
300 GST_STATIC_CAPS_ANY);
301 static GstStaticPadTemplate texttemplate = GST_STATIC_PAD_TEMPLATE ("text_sink",
304 GST_STATIC_CAPS_ANY);
306 /* FIXME 0.11: Remove */
307 static GstStaticPadTemplate audiorawtemplate =
308 GST_STATIC_PAD_TEMPLATE ("audio_raw_sink",
311 GST_STATIC_CAPS_ANY);
312 static GstStaticPadTemplate videorawtemplate =
313 GST_STATIC_PAD_TEMPLATE ("video_raw_sink",
316 GST_STATIC_CAPS_ANY);
327 PROP_SUBTITLE_ENCODING,
334 PROP_SEND_EVENT_MODE,
335 PROP_FORCE_ASPECT_RATIO,
345 static void gst_play_sink_dispose (GObject * object);
346 static void gst_play_sink_finalize (GObject * object);
347 static void gst_play_sink_set_property (GObject * object, guint prop_id,
348 const GValue * value, GParamSpec * spec);
349 static void gst_play_sink_get_property (GObject * object, guint prop_id,
350 GValue * value, GParamSpec * spec);
352 static GstPad *gst_play_sink_request_new_pad (GstElement * element,
353 GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
354 static void gst_play_sink_release_request_pad (GstElement * element,
356 static gboolean gst_play_sink_send_event (GstElement * element,
358 static GstStateChangeReturn gst_play_sink_change_state (GstElement * element,
359 GstStateChange transition);
361 static void gst_play_sink_handle_message (GstBin * bin, GstMessage * message);
363 /* sending audio/video flushes break stream changes when the pipeline
364 * is paused and played again in 0.10 */
366 static gboolean gst_play_sink_video_sink_event (GstPad * pad, GstEvent * event);
367 static GstFlowReturn gst_play_sink_video_sink_chain (GstPad * pad,
369 static gboolean gst_play_sink_audio_sink_event (GstPad * pad, GstEvent * event);
370 static GstFlowReturn gst_play_sink_audio_sink_chain (GstPad * pad,
373 static gboolean gst_play_sink_text_sink_event (GstPad * pad, GstObject * parent,
375 static GstFlowReturn gst_play_sink_text_sink_chain (GstPad * pad,
376 GstObject * parent, GstBuffer * buffer);
378 static void notify_volume_cb (GObject * object, GParamSpec * pspec,
379 GstPlaySink * playsink);
380 static void notify_mute_cb (GObject * object, GParamSpec * pspec,
381 GstPlaySink * playsink);
383 static void update_av_offset (GstPlaySink * playsink);
385 static gboolean gst_play_sink_do_reconfigure (GstPlaySink * playsink);
387 static GQuark _playsink_reset_segment_event_marker_id = 0;
389 /* static guint gst_play_sink_signals[LAST_SIGNAL] = { 0 }; */
391 static void gst_play_sink_overlay_init (gpointer g_iface,
392 gpointer g_iface_data);
393 static void gst_play_sink_navigation_init (gpointer g_iface,
394 gpointer g_iface_data);
395 static void gst_play_sink_colorbalance_init (gpointer g_iface,
396 gpointer g_iface_data);
399 _do_init (GType type)
401 static const GInterfaceInfo svol_info = {
404 static const GInterfaceInfo ov_info = {
405 gst_play_sink_overlay_init,
408 static const GInterfaceInfo nav_info = {
409 gst_play_sink_navigation_init,
412 static const GInterfaceInfo col_info = {
413 gst_play_sink_colorbalance_init,
417 g_type_add_interface_static (type, GST_TYPE_STREAM_VOLUME, &svol_info);
418 g_type_add_interface_static (type, GST_TYPE_VIDEO_OVERLAY, &ov_info);
419 g_type_add_interface_static (type, GST_TYPE_NAVIGATION, &nav_info);
420 g_type_add_interface_static (type, GST_TYPE_COLOR_BALANCE, &col_info);
423 G_DEFINE_TYPE_WITH_CODE (GstPlaySink, gst_play_sink, GST_TYPE_BIN,
424 _do_init (g_define_type_id));
427 gst_play_sink_class_init (GstPlaySinkClass * klass)
429 GObjectClass *gobject_klass;
430 GstElementClass *gstelement_klass;
431 GstBinClass *gstbin_klass;
433 gobject_klass = (GObjectClass *) klass;
434 gstelement_klass = (GstElementClass *) klass;
435 gstbin_klass = (GstBinClass *) klass;
437 gobject_klass->dispose = gst_play_sink_dispose;
438 gobject_klass->finalize = gst_play_sink_finalize;
439 gobject_klass->set_property = gst_play_sink_set_property;
440 gobject_klass->get_property = gst_play_sink_get_property;
446 * Control the behaviour of playsink.
448 g_object_class_install_property (gobject_klass, PROP_FLAGS,
449 g_param_spec_flags ("flags", "Flags", "Flags to control behaviour",
450 GST_TYPE_PLAY_FLAGS, DEFAULT_FLAGS,
451 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
454 * GstPlaySink:volume:
456 * Get or set the current audio stream volume. 1.0 means 100%,
457 * 0.0 means mute. This uses a linear volume scale.
460 g_object_class_install_property (gobject_klass, PROP_VOLUME,
461 g_param_spec_double ("volume", "Volume", "The audio volume, 1.0=100%",
462 0.0, VOLUME_MAX_DOUBLE, 1.0,
463 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
464 g_object_class_install_property (gobject_klass, PROP_MUTE,
465 g_param_spec_boolean ("mute", "Mute",
466 "Mute the audio channel without changing the volume", FALSE,
467 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
468 g_object_class_install_property (gobject_klass, PROP_FONT_DESC,
469 g_param_spec_string ("subtitle-font-desc",
470 "Subtitle font description",
471 "Pango font description of font "
472 "to be used for subtitle rendering", NULL,
473 G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS));
474 g_object_class_install_property (gobject_klass, PROP_SUBTITLE_ENCODING,
475 g_param_spec_string ("subtitle-encoding", "subtitle encoding",
476 "Encoding to assume if input subtitles are not in UTF-8 encoding. "
477 "If not set, the GST_SUBTITLE_ENCODING environment variable will "
478 "be checked for an encoding to use. If that is not set either, "
479 "ISO-8859-15 will be assumed.", NULL,
480 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
481 g_object_class_install_property (gobject_klass, PROP_VIS_PLUGIN,
482 g_param_spec_object ("vis-plugin", "Vis plugin",
483 "the visualization element to use (NULL = default)",
484 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
486 * GstPlaySink:sample:
488 * Get the currently rendered or prerolled sample in the video sink.
489 * The #GstCaps in the sample will describe the format of the buffer.
491 g_object_class_install_property (gobject_klass, PROP_SAMPLE,
492 g_param_spec_boxed ("sample", "Sample",
493 "The last sample (NULL = no video available)",
494 GST_TYPE_SAMPLE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
496 * GstPlaySink:av-offset:
498 * Control the synchronisation offset between the audio and video streams.
499 * Positive values make the audio ahead of the video and negative values make
500 * the audio go behind the video.
504 g_object_class_install_property (gobject_klass, PROP_AV_OFFSET,
505 g_param_spec_int64 ("av-offset", "AV Offset",
506 "The synchronisation offset between audio and video in nanoseconds",
507 G_MININT64, G_MAXINT64, 0,
508 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
511 * GstPlaySink:video-sink:
513 * Set the used video sink element. NULL will use the default sink. playsink
514 * must be in %GST_STATE_NULL
518 g_object_class_install_property (gobject_klass, PROP_VIDEO_SINK,
519 g_param_spec_object ("video-sink", "Video Sink",
520 "the video output element to use (NULL = default sink)",
521 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
523 * GstPlaySink:audio-sink:
525 * Set the used audio sink element. NULL will use the default sink. playsink
526 * must be in %GST_STATE_NULL
530 g_object_class_install_property (gobject_klass, PROP_AUDIO_SINK,
531 g_param_spec_object ("audio-sink", "Audio Sink",
532 "the audio output element to use (NULL = default sink)",
533 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
536 * GstPlaySink:text-sink:
538 * Set the used text sink element. NULL will use the default sink. playsink
539 * must be in %GST_STATE_NULL
543 g_object_class_install_property (gobject_klass, PROP_TEXT_SINK,
544 g_param_spec_object ("text-sink", "Text sink",
545 "the text output element to use (NULL = default subtitleoverlay)",
546 GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
549 * GstPlaySink::send-event-mode:
551 * Sets the handling method used for events received from send_event
552 * function. The default is %MODE_DEFAULT, that uses %GstBin's default
553 * handling (push the event to all internal sinks).
557 g_object_class_install_property (gobject_klass, PROP_SEND_EVENT_MODE,
558 g_param_spec_enum ("send-event-mode", "Send event mode",
559 "How to send events received in send_event function",
560 GST_TYPE_PLAY_SINK_SEND_EVENT_MODE, MODE_DEFAULT,
561 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
564 * GstPlaySink::force-aspect-ratio:
566 * Requests the video sink to enforce the video display aspect ratio.
570 g_object_class_install_property (gobject_klass, PROP_FORCE_ASPECT_RATIO,
571 g_param_spec_boolean ("force-aspect-ratio", "Force Aspect Ratio",
572 "When enabled, scaling will respect original aspect ratio", TRUE,
573 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
575 g_signal_new ("reconfigure", G_TYPE_FROM_CLASS (klass),
576 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstPlaySinkClass,
577 reconfigure), NULL, NULL, g_cclosure_marshal_generic, G_TYPE_BOOLEAN,
580 * GstPlaySink::convert-sample
581 * @playsink: a #GstPlaySink
582 * @caps: the target format of the sample
584 * Action signal to retrieve the currently playing video sample in the format
585 * specified by @caps.
586 * If @caps is %NULL, no conversion will be performed and this function is
587 * equivalent to the #GstPlaySink::sample property.
589 * Returns: a #GstSample of the current video sample converted to #caps.
590 * The caps in the sample will describe the final layout of the buffer data.
591 * %NULL is returned when no current sample can be retrieved or when the
594 g_signal_new ("convert-sample", G_TYPE_FROM_CLASS (klass),
595 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
596 G_STRUCT_OFFSET (GstPlaySinkClass, convert_sample), NULL, NULL,
597 g_cclosure_marshal_generic, GST_TYPE_SAMPLE, 1, GST_TYPE_CAPS);
599 gst_element_class_add_pad_template (gstelement_klass,
600 gst_static_pad_template_get (&audiorawtemplate));
601 gst_element_class_add_pad_template (gstelement_klass,
602 gst_static_pad_template_get (&audiotemplate));
603 gst_element_class_add_pad_template (gstelement_klass,
604 gst_static_pad_template_get (&videorawtemplate));
605 gst_element_class_add_pad_template (gstelement_klass,
606 gst_static_pad_template_get (&videotemplate));
607 gst_element_class_add_pad_template (gstelement_klass,
608 gst_static_pad_template_get (&texttemplate));
609 gst_element_class_set_static_metadata (gstelement_klass, "Player Sink",
611 "Convenience sink for multiple streams",
612 "Wim Taymans <wim.taymans@gmail.com>");
614 gstelement_klass->change_state =
615 GST_DEBUG_FUNCPTR (gst_play_sink_change_state);
616 gstelement_klass->send_event = GST_DEBUG_FUNCPTR (gst_play_sink_send_event);
617 gstelement_klass->request_new_pad =
618 GST_DEBUG_FUNCPTR (gst_play_sink_request_new_pad);
619 gstelement_klass->release_pad =
620 GST_DEBUG_FUNCPTR (gst_play_sink_release_request_pad);
622 gstbin_klass->handle_message =
623 GST_DEBUG_FUNCPTR (gst_play_sink_handle_message);
625 klass->reconfigure = GST_DEBUG_FUNCPTR (gst_play_sink_reconfigure);
626 klass->convert_sample = GST_DEBUG_FUNCPTR (gst_play_sink_convert_sample);
628 _playsink_reset_segment_event_marker_id =
629 g_quark_from_static_string ("gst-playsink-reset-segment-event-marker");
633 gst_play_sink_init (GstPlaySink * playsink)
635 GstColorBalanceChannel *channel;
638 playsink->video_sink = NULL;
639 playsink->audio_sink = NULL;
640 playsink->visualisation = NULL;
641 playsink->text_sink = NULL;
642 playsink->volume = 1.0;
643 playsink->font_desc = NULL;
644 playsink->subtitle_encoding = NULL;
645 playsink->flags = DEFAULT_FLAGS;
646 playsink->send_event_mode = MODE_DEFAULT;
647 playsink->force_aspect_ratio = TRUE;
649 playsink->stream_synchronizer =
650 g_object_new (GST_TYPE_STREAM_SYNCHRONIZER, NULL);
651 gst_bin_add (GST_BIN_CAST (playsink),
652 GST_ELEMENT_CAST (playsink->stream_synchronizer));
654 g_rec_mutex_init (&playsink->lock);
655 GST_OBJECT_FLAG_SET (playsink, GST_ELEMENT_FLAG_SINK);
658 GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
660 channel->label = g_strdup ("CONTRAST");
661 channel->min_value = -1000;
662 channel->max_value = 1000;
663 playsink->colorbalance_channels =
664 g_list_append (playsink->colorbalance_channels, channel);
665 playsink->colorbalance_values[0] = 0;
668 GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
670 channel->label = g_strdup ("BRIGHTNESS");
671 channel->min_value = -1000;
672 channel->max_value = 1000;
673 playsink->colorbalance_channels =
674 g_list_append (playsink->colorbalance_channels, channel);
675 playsink->colorbalance_values[1] = 0;
678 GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
680 channel->label = g_strdup ("HUE");
681 channel->min_value = -1000;
682 channel->max_value = 1000;
683 playsink->colorbalance_channels =
684 g_list_append (playsink->colorbalance_channels, channel);
685 playsink->colorbalance_values[2] = 0;
688 GST_COLOR_BALANCE_CHANNEL (g_object_new (GST_TYPE_COLOR_BALANCE_CHANNEL,
690 channel->label = g_strdup ("SATURATION");
691 channel->min_value = -1000;
692 channel->max_value = 1000;
693 playsink->colorbalance_channels =
694 g_list_append (playsink->colorbalance_channels, channel);
695 playsink->colorbalance_values[3] = 0;
699 disconnect_chain (GstPlayAudioChain * chain, GstPlaySink * playsink)
703 g_signal_handlers_disconnect_by_func (chain->volume, notify_volume_cb,
706 g_signal_handlers_disconnect_by_func (chain->mute, notify_mute_cb,
712 free_chain (GstPlayChain * chain)
716 gst_object_unref (chain->bin);
722 gst_play_sink_dispose (GObject * object)
724 GstPlaySink *playsink;
726 playsink = GST_PLAY_SINK (object);
728 if (playsink->audio_sink != NULL) {
729 gst_element_set_state (playsink->audio_sink, GST_STATE_NULL);
730 gst_object_unref (playsink->audio_sink);
731 playsink->audio_sink = NULL;
733 if (playsink->video_sink != NULL) {
734 gst_element_set_state (playsink->video_sink, GST_STATE_NULL);
735 gst_object_unref (playsink->video_sink);
736 playsink->video_sink = NULL;
738 if (playsink->visualisation != NULL) {
739 gst_element_set_state (playsink->visualisation, GST_STATE_NULL);
740 gst_object_unref (playsink->visualisation);
741 playsink->visualisation = NULL;
743 if (playsink->text_sink != NULL) {
744 gst_element_set_state (playsink->text_sink, GST_STATE_NULL);
745 gst_object_unref (playsink->text_sink);
746 playsink->text_sink = NULL;
749 free_chain ((GstPlayChain *) playsink->videodeinterlacechain);
750 playsink->videodeinterlacechain = NULL;
751 free_chain ((GstPlayChain *) playsink->videochain);
752 playsink->videochain = NULL;
753 free_chain ((GstPlayChain *) playsink->audiochain);
754 playsink->audiochain = NULL;
755 free_chain ((GstPlayChain *) playsink->vischain);
756 playsink->vischain = NULL;
757 free_chain ((GstPlayChain *) playsink->textchain);
758 playsink->textchain = NULL;
760 if (playsink->audio_tee_sink) {
761 gst_object_unref (playsink->audio_tee_sink);
762 playsink->audio_tee_sink = NULL;
765 if (playsink->audio_tee_vissrc) {
766 gst_element_release_request_pad (playsink->audio_tee,
767 playsink->audio_tee_vissrc);
768 gst_object_unref (playsink->audio_tee_vissrc);
769 playsink->audio_tee_vissrc = NULL;
772 if (playsink->audio_tee_asrc) {
773 gst_element_release_request_pad (playsink->audio_tee,
774 playsink->audio_tee_asrc);
775 gst_object_unref (playsink->audio_tee_asrc);
776 playsink->audio_tee_asrc = NULL;
779 g_free (playsink->font_desc);
780 playsink->font_desc = NULL;
782 g_free (playsink->subtitle_encoding);
783 playsink->subtitle_encoding = NULL;
785 playsink->stream_synchronizer = NULL;
787 g_list_foreach (playsink->colorbalance_channels, (GFunc) gst_object_unref,
789 g_list_free (playsink->colorbalance_channels);
790 playsink->colorbalance_channels = NULL;
792 G_OBJECT_CLASS (gst_play_sink_parent_class)->dispose (object);
796 gst_play_sink_finalize (GObject * object)
798 GstPlaySink *playsink;
800 playsink = GST_PLAY_SINK (object);
802 g_rec_mutex_clear (&playsink->lock);
804 G_OBJECT_CLASS (gst_play_sink_parent_class)->finalize (object);
808 gst_play_sink_set_sink (GstPlaySink * playsink, GstPlaySinkType type,
811 GstElement **elem = NULL, *old = NULL;
813 GST_LOG ("Setting sink %" GST_PTR_FORMAT " as sink type %d", sink, type);
815 GST_PLAY_SINK_LOCK (playsink);
817 case GST_PLAY_SINK_TYPE_AUDIO:
818 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
819 elem = &playsink->audio_sink;
821 case GST_PLAY_SINK_TYPE_VIDEO:
822 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
823 elem = &playsink->video_sink;
825 case GST_PLAY_SINK_TYPE_TEXT:
826 elem = &playsink->text_sink;
834 gst_object_ref (sink);
837 GST_PLAY_SINK_UNLOCK (playsink);
841 gst_element_set_state (old, GST_STATE_NULL);
842 gst_object_unref (old);
847 gst_play_sink_get_sink (GstPlaySink * playsink, GstPlaySinkType type)
849 GstElement *result = NULL;
850 GstElement *elem = NULL, *chainp = NULL;
852 GST_PLAY_SINK_LOCK (playsink);
854 case GST_PLAY_SINK_TYPE_AUDIO:
855 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
857 GstPlayAudioChain *chain;
858 if ((chain = (GstPlayAudioChain *) playsink->audiochain))
859 chainp = chain->sink;
860 elem = playsink->audio_sink;
863 case GST_PLAY_SINK_TYPE_VIDEO:
864 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
866 GstPlayVideoChain *chain;
867 if ((chain = (GstPlayVideoChain *) playsink->videochain))
868 chainp = chain->sink;
869 elem = playsink->video_sink;
872 case GST_PLAY_SINK_TYPE_TEXT:
874 GstPlayTextChain *chain;
875 if ((chain = (GstPlayTextChain *) playsink->textchain))
876 chainp = chain->sink;
877 elem = playsink->text_sink;
884 /* we have an active chain with a sink, get the sink */
885 result = gst_object_ref (chainp);
887 /* nothing found, return last configured sink */
888 if (result == NULL && elem)
889 result = gst_object_ref (elem);
890 GST_PLAY_SINK_UNLOCK (playsink);
895 static GstPadProbeReturn
896 gst_play_sink_vis_blocked (GstPad * tee_pad, GstPadProbeInfo * info,
899 GstPlaySink *playsink;
900 GstPlayVisChain *chain;
902 playsink = GST_PLAY_SINK (user_data);
904 GST_PLAY_SINK_LOCK (playsink);
905 GST_DEBUG_OBJECT (playsink, "vis pad blocked");
906 /* now try to change the plugin in the running vis chain */
907 if (!(chain = (GstPlayVisChain *) playsink->vischain))
910 /* unlink the old plugin and unghost the pad */
911 gst_pad_unlink (chain->blockpad, chain->vissinkpad);
912 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (chain->srcpad), NULL);
914 /* set the old plugin to NULL and remove */
915 gst_element_set_state (chain->vis, GST_STATE_NULL);
916 gst_bin_remove (GST_BIN_CAST (chain->chain.bin), chain->vis);
918 /* add new plugin and set state to playing */
919 chain->vis = playsink->visualisation;
920 gst_bin_add (GST_BIN_CAST (chain->chain.bin), chain->vis);
921 gst_element_set_state (chain->vis, GST_STATE_PLAYING);
924 chain->vissinkpad = gst_element_get_static_pad (chain->vis, "sink");
925 chain->vissrcpad = gst_element_get_static_pad (chain->vis, "src");
928 gst_pad_link_full (chain->blockpad, chain->vissinkpad,
929 GST_PAD_LINK_CHECK_NOTHING);
930 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (chain->srcpad),
934 GST_PLAY_SINK_UNLOCK (playsink);
936 /* remove the probe and unblock the pad */
937 return GST_PAD_PROBE_REMOVE;
941 gst_play_sink_set_vis_plugin (GstPlaySink * playsink, GstElement * vis)
943 GstPlayVisChain *chain;
945 /* setting NULL means creating the default vis plugin */
947 vis = gst_element_factory_make ("goom", "vis");
949 /* simply return if we don't have a vis plugin here */
953 GST_PLAY_SINK_LOCK (playsink);
954 /* first store the new vis */
955 if (playsink->visualisation)
956 gst_object_unref (playsink->visualisation);
958 gst_object_ref_sink (vis);
959 playsink->visualisation = vis;
961 /* now try to change the plugin in the running vis chain, if we have no chain,
962 * we don't bother, any future vis chain will be created with the new vis
964 if (!(chain = (GstPlayVisChain *) playsink->vischain))
967 /* block the pad, the next time the callback is called we can change the
968 * visualisation. It's possible that this never happens or that the pad was
969 * already blocked. If the callback never happens, we don't have new data so
970 * we don't need the new vis plugin. If the pad was already blocked, the
971 * function returns FALSE but the previous pad block will do the right thing
973 GST_DEBUG_OBJECT (playsink, "blocking vis pad");
974 gst_pad_add_probe (chain->blockpad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
975 gst_play_sink_vis_blocked, playsink, NULL);
977 GST_PLAY_SINK_UNLOCK (playsink);
983 gst_play_sink_get_vis_plugin (GstPlaySink * playsink)
985 GstElement *result = NULL;
986 GstPlayVisChain *chain;
988 GST_PLAY_SINK_LOCK (playsink);
989 if ((chain = (GstPlayVisChain *) playsink->vischain)) {
990 /* we have an active chain, get the sink */
992 result = gst_object_ref (chain->vis);
994 /* nothing found, return last configured sink */
995 if (result == NULL && playsink->visualisation)
996 result = gst_object_ref (playsink->visualisation);
997 GST_PLAY_SINK_UNLOCK (playsink);
1003 gst_play_sink_set_volume (GstPlaySink * playsink, gdouble volume)
1005 GstPlayAudioChain *chain;
1007 GST_PLAY_SINK_LOCK (playsink);
1008 playsink->volume = volume;
1009 chain = (GstPlayAudioChain *) playsink->audiochain;
1010 if (chain && chain->volume) {
1011 GST_LOG_OBJECT (playsink, "elements: volume=%" GST_PTR_FORMAT ", mute=%"
1012 GST_PTR_FORMAT "; new volume=%.03f, mute=%d", chain->volume,
1013 chain->mute, volume, playsink->mute);
1014 /* if there is a mute element or we are not muted, set the volume */
1015 if (chain->mute || !playsink->mute)
1016 g_object_set (chain->volume, "volume", volume, NULL);
1018 GST_LOG_OBJECT (playsink, "no volume element");
1019 playsink->volume_changed = TRUE;
1021 GST_PLAY_SINK_UNLOCK (playsink);
1025 gst_play_sink_get_volume (GstPlaySink * playsink)
1028 GstPlayAudioChain *chain;
1030 GST_PLAY_SINK_LOCK (playsink);
1031 chain = (GstPlayAudioChain *) playsink->audiochain;
1032 result = playsink->volume;
1033 if (chain && chain->volume) {
1034 if (chain->mute || !playsink->mute) {
1035 g_object_get (chain->volume, "volume", &result, NULL);
1036 playsink->volume = result;
1039 GST_PLAY_SINK_UNLOCK (playsink);
1045 gst_play_sink_set_mute (GstPlaySink * playsink, gboolean mute)
1047 GstPlayAudioChain *chain;
1049 GST_PLAY_SINK_LOCK (playsink);
1050 playsink->mute = mute;
1051 chain = (GstPlayAudioChain *) playsink->audiochain;
1054 g_object_set (chain->mute, "mute", mute, NULL);
1055 } else if (chain->volume) {
1057 g_object_set (chain->volume, "volume", (gdouble) 0.0, NULL);
1059 g_object_set (chain->volume, "volume", (gdouble) playsink->volume,
1063 playsink->mute_changed = TRUE;
1065 GST_PLAY_SINK_UNLOCK (playsink);
1069 gst_play_sink_get_mute (GstPlaySink * playsink)
1072 GstPlayAudioChain *chain;
1074 GST_PLAY_SINK_LOCK (playsink);
1075 chain = (GstPlayAudioChain *) playsink->audiochain;
1076 if (chain && chain->mute) {
1077 g_object_get (chain->mute, "mute", &result, NULL);
1078 playsink->mute = result;
1080 result = playsink->mute;
1082 GST_PLAY_SINK_UNLOCK (playsink);
1088 post_missing_element_message (GstPlaySink * playsink, const gchar * name)
1092 msg = gst_missing_element_message_new (GST_ELEMENT_CAST (playsink), name);
1093 gst_element_post_message (GST_ELEMENT_CAST (playsink), msg);
1097 add_chain (GstPlayChain * chain, gboolean add)
1099 if (chain->added == add)
1103 gst_bin_add (GST_BIN_CAST (chain->playsink), chain->bin);
1105 gst_bin_remove (GST_BIN_CAST (chain->playsink), chain->bin);
1106 /* we don't want to lose our sink status */
1107 GST_OBJECT_FLAG_SET (chain->playsink, GST_ELEMENT_FLAG_SINK);
1116 activate_chain (GstPlayChain * chain, gboolean activate)
1120 if (chain->activated == activate)
1123 GST_OBJECT_LOCK (chain->playsink);
1124 state = GST_STATE_TARGET (chain->playsink);
1125 GST_OBJECT_UNLOCK (chain->playsink);
1128 gst_element_set_state (chain->bin, state);
1130 gst_element_set_state (chain->bin, GST_STATE_NULL);
1132 chain->activated = activate;
1138 element_is_sink (GstElement * element)
1142 GST_OBJECT_LOCK (element);
1143 is_sink = GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_SINK);
1144 GST_OBJECT_UNLOCK (element);
1146 GST_DEBUG_OBJECT (element, "is a sink: %s", (is_sink) ? "yes" : "no");
1151 element_has_property (GstElement * element, const gchar * pname, GType type)
1155 pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (element), pname);
1157 if (pspec == NULL) {
1158 GST_DEBUG_OBJECT (element, "no %s property", pname);
1162 if (type == G_TYPE_INVALID || type == pspec->value_type ||
1163 g_type_is_a (pspec->value_type, type)) {
1164 GST_DEBUG_OBJECT (element, "has %s property of type %s", pname,
1165 (type == G_TYPE_INVALID) ? "any type" : g_type_name (type));
1169 GST_WARNING_OBJECT (element, "has %s property, but property is of type %s "
1170 "and we expected it to be of type %s", pname,
1171 g_type_name (pspec->value_type), g_type_name (type));
1178 const gchar *prop_name;
1181 } FindPropertyHelper;
1184 find_property (const GValue * item, FindPropertyHelper * helper)
1186 GstElement *element = g_value_get_object (item);
1187 if (helper->need_sink && !element_is_sink (element)) {
1191 if (!element_has_property (element, helper->prop_name, helper->prop_type)) {
1195 GST_INFO_OBJECT (element, "found %s with %s property", helper->prop_name,
1196 (helper->need_sink) ? "sink" : "element");
1197 return 0; /* keep it */
1200 /* FIXME: why not move these functions into core? */
1201 /* find a sink in the hierarchy with a property named @name. This function does
1202 * not increase the refcount of the returned object and thus remains valid as
1203 * long as the bin is valid. */
1205 gst_play_sink_find_property_sinks (GstPlaySink * playsink, GstElement * obj,
1206 const gchar * name, GType expected_type)
1208 GstElement *result = NULL;
1211 if (element_has_property (obj, name, expected_type)) {
1213 } else if (GST_IS_BIN (obj)) {
1215 GValue item = { 0, };
1216 FindPropertyHelper helper = { name, expected_type, TRUE };
1218 it = gst_bin_iterate_recurse (GST_BIN_CAST (obj));
1219 found = gst_iterator_find_custom (it,
1220 (GCompareFunc) find_property, &item, &helper);
1221 gst_iterator_free (it);
1223 result = g_value_get_object (&item);
1224 /* we don't need the extra ref */
1225 g_value_unset (&item);
1231 /* find an object in the hierarchy with a property named @name */
1233 gst_play_sink_find_property (GstPlaySink * playsink, GstElement * obj,
1234 const gchar * name, GType expected_type)
1236 GstElement *result = NULL;
1239 if (GST_IS_BIN (obj)) {
1241 GValue item = { 0, };
1242 FindPropertyHelper helper = { name, expected_type, FALSE };
1244 it = gst_bin_iterate_recurse (GST_BIN_CAST (obj));
1245 found = gst_iterator_find_custom (it,
1246 (GCompareFunc) find_property, &item, &helper);
1247 gst_iterator_free (it);
1249 result = g_value_dup_object (&item);
1250 g_value_unset (&item);
1253 if (element_has_property (obj, name, expected_type)) {
1255 gst_object_ref (obj);
1262 do_async_start (GstPlaySink * playsink)
1264 GstMessage *message;
1266 if (!playsink->need_async_start) {
1267 GST_INFO_OBJECT (playsink, "no async_start needed");
1271 playsink->async_pending = TRUE;
1273 GST_INFO_OBJECT (playsink, "Sending async_start message");
1274 message = gst_message_new_async_start (GST_OBJECT_CAST (playsink));
1275 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (GST_BIN_CAST
1276 (playsink), message);
1280 do_async_done (GstPlaySink * playsink)
1282 GstMessage *message;
1284 if (playsink->async_pending) {
1285 GST_INFO_OBJECT (playsink, "Sending async_done message");
1287 gst_message_new_async_done (GST_OBJECT_CAST (playsink),
1288 GST_CLOCK_TIME_NONE);
1289 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (GST_BIN_CAST
1290 (playsink), message);
1292 playsink->async_pending = FALSE;
1295 playsink->need_async_start = FALSE;
1298 /* try to change the state of an element. This function returns the element when
1299 * the state change could be performed. When this function returns NULL an error
1300 * occured and the element is unreffed if @unref is TRUE. */
1302 try_element (GstPlaySink * playsink, GstElement * element, gboolean unref)
1304 GstStateChangeReturn ret;
1307 ret = gst_element_set_state (element, GST_STATE_READY);
1308 if (ret == GST_STATE_CHANGE_FAILURE) {
1309 GST_DEBUG_OBJECT (playsink, "failed state change..");
1310 gst_element_set_state (element, GST_STATE_NULL);
1312 gst_object_unref (element);
1319 /* make the element (bin) that contains the elements needed to perform
1320 * video display. Only used for *raw* video streams.
1322 * +------------------------------------------------------------+
1324 * | +-------+ +----------+ +----------+ +---------+ |
1325 * | | queue | |colorspace| |videoscale| |videosink| |
1326 * | +-sink src-sink src-sink src-sink | |
1327 * | | +-------+ +----------+ +----------+ +---------+ |
1329 * +------------------------------------------------------------+
1332 static GstPlayVideoDeinterlaceChain *
1333 gen_video_deinterlace_chain (GstPlaySink * playsink)
1335 GstPlayVideoDeinterlaceChain *chain;
1338 GstElement *head = NULL, *prev = NULL;
1340 chain = g_new0 (GstPlayVideoDeinterlaceChain, 1);
1341 chain->chain.playsink = playsink;
1343 GST_DEBUG_OBJECT (playsink, "making video deinterlace chain %p", chain);
1345 /* create a bin to hold objects, as we create them we add them to this bin so
1346 * that when something goes wrong we only need to unref the bin */
1347 chain->chain.bin = gst_bin_new ("vdbin");
1348 bin = GST_BIN_CAST (chain->chain.bin);
1349 gst_object_ref_sink (bin);
1351 GST_DEBUG_OBJECT (playsink, "creating " COLORSPACE);
1352 chain->conv = gst_element_factory_make (COLORSPACE, "vdconv");
1353 if (chain->conv == NULL) {
1354 post_missing_element_message (playsink, COLORSPACE);
1355 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1356 (_("Missing element '%s' - check your GStreamer installation."),
1357 COLORSPACE), ("video rendering might fail"));
1359 gst_bin_add (bin, chain->conv);
1364 GST_DEBUG_OBJECT (playsink, "creating deinterlace");
1365 chain->deinterlace = gst_element_factory_make ("deinterlace", "deinterlace");
1366 if (chain->deinterlace == NULL) {
1367 chain->deinterlace =
1368 gst_element_factory_make ("avdeinterlace", "deinterlace");
1370 if (chain->deinterlace == NULL) {
1371 post_missing_element_message (playsink, "deinterlace");
1372 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1373 (_("Missing element '%s' - check your GStreamer installation."),
1374 "deinterlace"), ("deinterlacing won't work"));
1376 gst_bin_add (bin, chain->deinterlace);
1378 if (!gst_element_link_pads_full (prev, "src", chain->deinterlace, "sink",
1379 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1382 head = chain->deinterlace;
1384 prev = chain->deinterlace;
1388 pad = gst_element_get_static_pad (head, "sink");
1389 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
1390 gst_object_unref (pad);
1392 chain->sinkpad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK);
1396 pad = gst_element_get_static_pad (prev, "src");
1397 chain->srcpad = gst_ghost_pad_new ("src", pad);
1398 gst_object_unref (pad);
1400 chain->srcpad = gst_ghost_pad_new ("src", chain->sinkpad);
1403 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
1404 gst_element_add_pad (chain->chain.bin, chain->srcpad);
1410 GST_ELEMENT_ERROR (playsink, CORE, PAD,
1411 (NULL), ("Failed to configure the video deinterlace chain."));
1412 free_chain ((GstPlayChain *) chain);
1418 is_valid_color_balance_element (GstColorBalance * bal)
1420 gboolean have_brightness = FALSE;
1421 gboolean have_contrast = FALSE;
1422 gboolean have_hue = FALSE;
1423 gboolean have_saturation = FALSE;
1424 const GList *channels, *l;
1426 channels = gst_color_balance_list_channels (bal);
1427 for (l = channels; l; l = l->next) {
1428 GstColorBalanceChannel *ch = l->data;
1430 if (g_strrstr (ch->label, "BRIGHTNESS"))
1431 have_brightness = TRUE;
1432 else if (g_strrstr (ch->label, "CONTRAST"))
1433 have_contrast = TRUE;
1434 else if (g_strrstr (ch->label, "HUE"))
1436 else if (g_strrstr (ch->label, "SATURATION"))
1437 have_saturation = TRUE;
1440 return have_brightness && have_contrast && have_hue && have_saturation;
1444 iterate_color_balance_elements (const GValue * item, gpointer user_data)
1447 GstColorBalance *cb, **cb_out = user_data;
1449 cb = GST_COLOR_BALANCE (g_value_get_object (item));
1450 valid = is_valid_color_balance_element (cb);
1453 && gst_color_balance_get_balance_type (*cb_out) ==
1454 GST_COLOR_BALANCE_SOFTWARE) {
1455 gst_object_unref (*cb_out);
1456 *cb_out = GST_COLOR_BALANCE (gst_object_ref (cb));
1457 } else if (!*cb_out) {
1458 *cb_out = GST_COLOR_BALANCE (gst_object_ref (cb));
1463 static GstColorBalance *
1464 find_color_balance_element (GstElement * element)
1467 GstColorBalance *cb = NULL;
1469 if (GST_IS_COLOR_BALANCE (element)
1470 && is_valid_color_balance_element (GST_COLOR_BALANCE (element)))
1471 return GST_COLOR_BALANCE (gst_object_ref (element));
1472 else if (!GST_IS_BIN (element))
1475 it = gst_bin_iterate_all_by_interface (GST_BIN (element),
1476 GST_TYPE_COLOR_BALANCE);
1477 while (gst_iterator_foreach (it, iterate_color_balance_elements,
1478 &cb) == GST_ITERATOR_RESYNC)
1479 gst_iterator_resync (it);
1480 gst_iterator_free (it);
1486 colorbalance_value_changed_cb (GstColorBalance * balance,
1487 GstColorBalanceChannel * channel, gint value, GstPlaySink * playsink)
1492 for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
1493 GstColorBalanceChannel *proxy = l->data;
1495 if (g_strrstr (channel->label, proxy->label)) {
1498 /* Convert to [0, 1] range */
1501 (gdouble) channel->min_value) / ((gdouble) channel->max_value -
1502 (gdouble) channel->min_value);
1503 /* Convert to proxy range */
1505 proxy->min_value + new_val * ((gdouble) proxy->max_value -
1506 (gdouble) proxy->min_value);
1507 playsink->colorbalance_values[i] = (gint) (0.5 + new_val);
1509 gst_color_balance_value_changed (GST_COLOR_BALANCE (playsink), proxy,
1510 playsink->colorbalance_values[i]);
1517 update_colorbalance (GstPlaySink * playsink)
1519 GstColorBalance *balance = NULL;
1523 GST_OBJECT_LOCK (playsink);
1524 if (playsink->colorbalance_element) {
1526 GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
1528 GST_OBJECT_UNLOCK (playsink);
1532 g_signal_handlers_block_by_func (balance,
1533 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1535 for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
1536 GstColorBalanceChannel *proxy = l->data;
1537 GstColorBalanceChannel *channel = NULL;
1538 const GList *channels, *k;
1540 channels = gst_color_balance_list_channels (balance);
1541 for (k = channels; k; k = k->next) {
1542 GstColorBalanceChannel *tmp = k->data;
1544 if (g_strrstr (tmp->label, proxy->label)) {
1552 gst_color_balance_set_value (balance, channel,
1553 playsink->colorbalance_values[i]);
1556 g_signal_handlers_unblock_by_func (balance,
1557 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1559 gst_object_unref (balance);
1562 /* make the element (bin) that contains the elements needed to perform
1565 * +------------------------------------------------------------+
1567 * | +-------+ +----------+ +----------+ +---------+ |
1568 * | | queue | |colorspace| |videoscale| |videosink| |
1569 * | +-sink src-sink src-sink src-sink | |
1570 * | | +-------+ +----------+ +----------+ +---------+ |
1572 * +------------------------------------------------------------+
1575 static GstPlayVideoChain *
1576 gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
1578 GstPlayVideoChain *chain;
1581 GstElement *head = NULL, *prev = NULL, *elem = NULL;
1583 chain = g_new0 (GstPlayVideoChain, 1);
1584 chain->chain.playsink = playsink;
1585 chain->chain.raw = raw;
1587 GST_DEBUG_OBJECT (playsink, "making video chain %p", chain);
1589 if (playsink->video_sink) {
1590 GST_DEBUG_OBJECT (playsink, "trying configured videosink");
1591 chain->sink = try_element (playsink, playsink->video_sink, FALSE);
1593 /* only try fallback if no specific sink was chosen */
1594 if (chain->sink == NULL) {
1595 GST_DEBUG_OBJECT (playsink, "trying autovideosink");
1596 elem = gst_element_factory_make ("autovideosink", "videosink");
1597 chain->sink = try_element (playsink, elem, TRUE);
1599 if (chain->sink == NULL) {
1600 /* if default sink from config.h is different then try it too */
1601 if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1602 GST_DEBUG_OBJECT (playsink, "trying " DEFAULT_VIDEOSINK);
1603 elem = gst_element_factory_make (DEFAULT_VIDEOSINK, "videosink");
1604 chain->sink = try_element (playsink, elem, TRUE);
1608 playsink->video_sink = gst_object_ref (chain->sink);
1610 if (chain->sink == NULL)
1614 /* if we can disable async behaviour of the sink, we can avoid adding a
1615 * queue for the audio chain. */
1617 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
1620 GST_DEBUG_OBJECT (playsink, "setting async property to %d on element %s",
1621 async, GST_ELEMENT_NAME (elem));
1622 g_object_set (elem, "async", async, NULL);
1623 chain->async = async;
1625 GST_DEBUG_OBJECT (playsink, "no async property on the sink");
1626 chain->async = TRUE;
1629 /* Make sure the aspect ratio is kept */
1631 gst_play_sink_find_property_sinks (playsink, chain->sink,
1632 "force-aspect-ratio", G_TYPE_BOOLEAN);
1634 g_object_set (elem, "force-aspect-ratio", playsink->force_aspect_ratio,
1637 /* find ts-offset element */
1638 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1639 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1642 /* create a bin to hold objects, as we create them we add them to this bin so
1643 * that when something goes wrong we only need to unref the bin */
1644 chain->chain.bin = gst_bin_new ("vbin");
1645 bin = GST_BIN_CAST (chain->chain.bin);
1646 gst_object_ref_sink (bin);
1647 gst_bin_add (bin, chain->sink);
1649 /* Get the VideoOverlay element */
1651 GstVideoOverlay *overlay = NULL;
1653 GST_OBJECT_LOCK (playsink);
1654 if (playsink->overlay_element)
1655 gst_object_unref (playsink->overlay_element);
1656 playsink->overlay_element =
1657 GST_VIDEO_OVERLAY (gst_bin_get_by_interface (GST_BIN (chain->chain.bin),
1658 GST_TYPE_VIDEO_OVERLAY));
1659 if (playsink->overlay_element)
1660 overlay = GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
1661 GST_OBJECT_UNLOCK (playsink);
1664 if (playsink->overlay_handle_set)
1665 gst_video_overlay_set_window_handle (overlay, playsink->overlay_handle);
1666 if (playsink->overlay_handle_events_set)
1667 gst_video_overlay_handle_events (overlay,
1668 playsink->overlay_handle_events);
1669 if (playsink->overlay_render_rectangle_set)
1670 gst_video_overlay_set_render_rectangle (overlay,
1671 playsink->overlay_x, playsink->overlay_y,
1672 playsink->overlay_width, playsink->overlay_height);
1673 gst_object_unref (overlay);
1677 /* decouple decoder from sink, this improves playback quite a lot since the
1678 * decoder can continue while the sink blocks for synchronisation. We don't
1679 * need a lot of buffers as this consumes a lot of memory and we don't want
1680 * too little because else we would be context switching too quickly. */
1681 chain->queue = gst_element_factory_make ("queue", "vqueue");
1682 if (chain->queue == NULL) {
1683 post_missing_element_message (playsink, "queue");
1684 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
1685 (_("Missing element '%s' - check your GStreamer installation."),
1686 "queue"), ("video rendering might be suboptimal"));
1690 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
1691 "max-size-bytes", 0, "max-size-time", (gint64) 0, "silent", TRUE, NULL);
1692 gst_bin_add (bin, chain->queue);
1693 head = prev = chain->queue;
1696 GST_OBJECT_LOCK (playsink);
1697 if (playsink->colorbalance_element) {
1698 g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
1699 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1700 gst_object_unref (playsink->colorbalance_element);
1702 playsink->colorbalance_element = find_color_balance_element (chain->sink);
1703 if (playsink->colorbalance_element) {
1704 g_signal_connect (playsink->colorbalance_element, "value-changed",
1705 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1707 GST_OBJECT_UNLOCK (playsink);
1709 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)
1710 || (!playsink->colorbalance_element
1711 && (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE))) {
1712 gboolean use_converters = !(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO);
1713 gboolean use_balance = !playsink->colorbalance_element
1714 && (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE);
1716 GST_DEBUG_OBJECT (playsink, "creating videoconverter");
1718 g_object_new (GST_TYPE_PLAY_SINK_VIDEO_CONVERT, "name", "vconv",
1719 "use-converters", use_converters, "use-balance", use_balance, NULL);
1721 GST_OBJECT_LOCK (playsink);
1722 if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance)
1723 playsink->colorbalance_element =
1724 GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT
1725 (chain->conv)->balance));
1726 GST_OBJECT_UNLOCK (playsink);
1728 gst_bin_add (bin, chain->conv);
1730 if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
1731 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1739 update_colorbalance (playsink);
1742 GST_DEBUG_OBJECT (playsink, "linking to sink");
1743 if (!gst_element_link_pads_full (prev, "src", chain->sink, NULL,
1744 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
1748 pad = gst_element_get_static_pad (head, "sink");
1749 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
1751 /* sending audio/video flushes break stream changes when the pipeline
1752 * is paused and played again in 0.10 */
1754 gst_pad_set_event_function (chain->sinkpad,
1755 GST_DEBUG_FUNCPTR (gst_play_sink_video_sink_event));
1756 gst_pad_set_chain_function (chain->sinkpad,
1757 GST_DEBUG_FUNCPTR (gst_play_sink_video_sink_chain));
1760 gst_object_unref (pad);
1761 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
1768 if (!elem && !playsink->video_sink) {
1769 post_missing_element_message (playsink, "autovideosink");
1770 if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1771 post_missing_element_message (playsink, DEFAULT_VIDEOSINK);
1772 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1773 (_("Both autovideosink and %s elements are missing."),
1774 DEFAULT_VIDEOSINK), (NULL));
1776 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
1777 (_("The autovideosink element is missing.")), (NULL));
1780 if (playsink->video_sink) {
1781 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1782 (_("Configured videosink %s is not working."),
1783 GST_ELEMENT_NAME (playsink->video_sink)), (NULL));
1784 } else if (strcmp (DEFAULT_VIDEOSINK, "autovideosink")) {
1785 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1786 (_("Both autovideosink and %s elements are not working."),
1787 DEFAULT_VIDEOSINK), (NULL));
1789 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
1790 (_("The autovideosink element is not working.")), (NULL));
1793 free_chain ((GstPlayChain *) chain);
1799 GST_ELEMENT_ERROR (playsink, CORE, PAD,
1800 (NULL), ("Failed to configure the video sink."));
1801 /* checking sink made it READY */
1802 gst_element_set_state (chain->sink, GST_STATE_NULL);
1803 /* Remove chain from the bin to allow reuse later */
1804 gst_bin_remove (bin, chain->sink);
1805 free_chain ((GstPlayChain *) chain);
1811 setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
1814 GstPlayVideoChain *chain;
1815 GstStateChangeReturn ret;
1817 chain = playsink->videochain;
1819 chain->chain.raw = raw;
1821 /* if the chain was active we don't do anything */
1822 if (GST_PLAY_CHAIN (chain)->activated == TRUE)
1825 /* try to set the sink element to READY again */
1826 ret = gst_element_set_state (chain->sink, GST_STATE_READY);
1827 if (ret == GST_STATE_CHANGE_FAILURE)
1830 /* Get the VideoOverlay element */
1832 GstVideoOverlay *overlay = NULL;
1834 GST_OBJECT_LOCK (playsink);
1835 if (playsink->overlay_element)
1836 gst_object_unref (playsink->overlay_element);
1837 playsink->overlay_element =
1838 GST_VIDEO_OVERLAY (gst_bin_get_by_interface (GST_BIN (chain->chain.bin),
1839 GST_TYPE_VIDEO_OVERLAY));
1840 if (playsink->overlay_element)
1841 overlay = GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
1842 GST_OBJECT_UNLOCK (playsink);
1845 if (playsink->overlay_handle_set)
1846 gst_video_overlay_set_window_handle (overlay, playsink->overlay_handle);
1847 if (playsink->overlay_handle_events_set)
1848 gst_video_overlay_handle_events (overlay,
1849 playsink->overlay_handle_events);
1850 if (playsink->overlay_render_rectangle_set)
1851 gst_video_overlay_set_render_rectangle (overlay,
1852 playsink->overlay_x, playsink->overlay_y,
1853 playsink->overlay_width, playsink->overlay_height);
1854 gst_object_unref (overlay);
1858 /* find ts-offset element */
1859 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
1860 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
1863 /* if we can disable async behaviour of the sink, we can avoid adding a
1864 * queue for the audio chain. */
1866 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
1869 GST_DEBUG_OBJECT (playsink, "setting async property to %d on element %s",
1870 async, GST_ELEMENT_NAME (elem));
1871 g_object_set (elem, "async", async, NULL);
1872 chain->async = async;
1874 GST_DEBUG_OBJECT (playsink, "no async property on the sink");
1875 chain->async = TRUE;
1878 /* Make sure the aspect ratio is kept */
1880 gst_play_sink_find_property_sinks (playsink, chain->sink,
1881 "force-aspect-ratio", G_TYPE_BOOLEAN);
1883 g_object_set (elem, "force-aspect-ratio", playsink->force_aspect_ratio,
1886 GST_OBJECT_LOCK (playsink);
1887 if (playsink->colorbalance_element) {
1888 g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
1889 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1890 gst_object_unref (playsink->colorbalance_element);
1892 playsink->colorbalance_element = find_color_balance_element (chain->sink);
1893 if (playsink->colorbalance_element) {
1894 g_signal_connect (playsink->colorbalance_element, "value-changed",
1895 G_CALLBACK (colorbalance_value_changed_cb), playsink);
1897 GST_OBJECT_UNLOCK (playsink);
1900 gboolean use_balance = !playsink->colorbalance_element
1901 && (playsink->flags & GST_PLAY_FLAG_SOFT_COLORBALANCE);
1903 g_object_set (chain->conv, "use-balance", use_balance, NULL);
1905 GST_OBJECT_LOCK (playsink);
1906 if (use_balance && GST_PLAY_SINK_VIDEO_CONVERT (chain->conv)->balance)
1907 playsink->colorbalance_element =
1908 GST_COLOR_BALANCE (gst_object_ref (GST_PLAY_SINK_VIDEO_CONVERT
1909 (chain->conv)->balance));
1910 GST_OBJECT_UNLOCK (playsink);
1913 update_colorbalance (playsink);
1919 _generate_update_newsegment_event (GstPad * pad, GstSegment * segment,
1923 GstStructure *structure;
1924 event = gst_event_new_segment (segment);
1925 structure = gst_event_writable_structure (event);
1926 gst_structure_id_set (structure,
1927 _playsink_reset_segment_event_marker_id, G_TYPE_BOOLEAN, TRUE, NULL);
1932 gst_play_sink_sink_event (GstPad * pad, GstObject * parent, GstEvent * event,
1933 const gchar * sink_type,
1934 gboolean * sink_ignore_wrong_state,
1935 gboolean * sink_custom_flush_finished,
1936 gboolean * sink_pending_flush, GstSegment * sink_segment)
1938 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_object_get_parent (parent));
1940 const GstStructure *structure = gst_event_get_structure (event);
1942 if (GST_EVENT_TYPE (event) == GST_EVENT_CUSTOM_DOWNSTREAM_OOB && structure) {
1943 gchar *custom_flush;
1944 gchar *custom_flush_finish;
1946 custom_flush = g_strdup_printf ("playsink-custom-%s-flush", sink_type);
1947 custom_flush_finish =
1948 g_strdup_printf ("playsink-custom-%s-flush-finish", sink_type);
1949 if (strcmp (gst_structure_get_name (structure), custom_flush) == 0) {
1950 GST_DEBUG_OBJECT (pad,
1951 "Custom %s flush event received, marking to flush %s", sink_type,
1953 GST_PLAY_SINK_LOCK (playsink);
1954 *sink_ignore_wrong_state = TRUE;
1955 *sink_custom_flush_finished = FALSE;
1956 GST_PLAY_SINK_UNLOCK (playsink);
1957 } else if (strcmp (gst_structure_get_name (structure),
1958 custom_flush_finish) == 0) {
1959 GST_DEBUG_OBJECT (pad, "Custom %s flush finish event received",
1961 GST_PLAY_SINK_LOCK (playsink);
1962 *sink_pending_flush = TRUE;
1963 *sink_custom_flush_finished = TRUE;
1964 GST_PLAY_SINK_UNLOCK (playsink);
1967 g_free (custom_flush);
1968 g_free (custom_flush_finish);
1969 } else if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_STOP) {
1970 GST_PLAY_SINK_LOCK (playsink);
1971 GST_DEBUG_OBJECT (pad, "Resetting %s segment because of flush-stop event",
1973 gst_segment_init (sink_segment, GST_FORMAT_UNDEFINED);
1974 GST_PLAY_SINK_UNLOCK (playsink);
1977 GST_DEBUG_OBJECT (pad, "Forwarding event %" GST_PTR_FORMAT, event);
1978 ret = gst_pad_event_default (pad, parent, gst_event_ref (event));
1980 if (GST_EVENT_TYPE (event) == GST_EVENT_SEGMENT) {
1981 const GstSegment *segment;
1983 gst_event_parse_segment (event, &segment);
1984 GST_DEBUG_OBJECT (pad, "Segment event: %" GST_SEGMENT_FORMAT, segment);
1986 GST_PLAY_SINK_LOCK (playsink);
1987 if (sink_segment->format != segment->format) {
1988 GST_DEBUG_OBJECT (pad, "%s segment format changed: %s -> %s",
1990 gst_format_get_name (sink_segment->format),
1991 gst_format_get_name (segment->format));
1992 gst_segment_init (sink_segment, segment->format);
1995 GST_DEBUG_OBJECT (pad, "Old %s segment: %" GST_SEGMENT_FORMAT,
1996 sink_type, sink_segment);
1997 gst_segment_copy_into (&playsink->text_segment, sink_segment);
1998 GST_DEBUG_OBJECT (pad, "New %s segment: %" GST_SEGMENT_FORMAT,
1999 sink_type, sink_segment);
2000 GST_PLAY_SINK_UNLOCK (playsink);
2003 gst_event_unref (event);
2004 gst_object_unref (playsink);
2008 static GstFlowReturn
2009 gst_play_sink_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer,
2010 const gchar * sink_type,
2011 gboolean * sink_ignore_wrong_state,
2012 gboolean * sink_custom_flush_finished,
2013 gboolean * sink_pending_flush, GstSegment * sink_segment)
2015 GstBin *tbin = GST_BIN_CAST (gst_pad_get_parent (pad));
2016 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_pad_get_parent (tbin));
2019 GST_PLAY_SINK_LOCK (playsink);
2021 if (*sink_pending_flush) {
2023 GstStructure *structure;
2025 *sink_pending_flush = FALSE;
2027 GST_PLAY_SINK_UNLOCK (playsink);
2029 /* make the bin drop all cached data.
2030 * This event will be dropped on the src pad, if any. */
2031 event = gst_event_new_flush_start ();
2032 structure = gst_event_writable_structure (event);
2033 gst_structure_id_set (structure,
2034 _playsink_reset_segment_event_marker_id, G_TYPE_BOOLEAN, TRUE, NULL);
2036 GST_DEBUG_OBJECT (pad,
2037 "Pushing %s flush-start event with reset segment marker set: %"
2038 GST_PTR_FORMAT, sink_type, event);
2039 gst_pad_send_event (pad, event);
2041 /* make queue drop all cached data.
2042 * This event will be dropped on the src pad. */
2043 event = gst_event_new_flush_stop (TRUE);
2044 structure = gst_event_writable_structure (event);
2045 gst_structure_id_set (structure,
2046 _playsink_reset_segment_event_marker_id, G_TYPE_BOOLEAN, TRUE, NULL);
2048 GST_DEBUG_OBJECT (pad,
2049 "Pushing %s flush-stop event with reset segment marker set: %"
2050 GST_PTR_FORMAT, sink_type, event);
2051 gst_pad_send_event (pad, event);
2053 /* Re-sync queue segment info after flush-stop.
2054 * This event will be dropped on the src pad. */
2055 if (sink_segment->format != GST_FORMAT_UNDEFINED) {
2058 _generate_update_newsegment_event (pad, sink_segment, &event1);
2059 GST_DEBUG_OBJECT (playsink,
2060 "Pushing segment event with reset "
2061 "segment marker set: %" GST_PTR_FORMAT, event1);
2062 gst_pad_send_event (pad, event1);
2065 GST_PLAY_SINK_UNLOCK (playsink);
2068 ret = gst_proxy_pad_chain_default (pad, parent, buffer);
2070 GST_PLAY_SINK_LOCK (playsink);
2071 if (ret == GST_FLOW_FLUSHING && *sink_ignore_wrong_state) {
2072 GST_DEBUG_OBJECT (pad, "Ignoring wrong state for %s during flush",
2074 if (*sink_custom_flush_finished) {
2075 GST_DEBUG_OBJECT (pad, "Custom flush finished, stop ignoring "
2076 "wrong state for %s", sink_type);
2077 *sink_ignore_wrong_state = FALSE;
2082 GST_PLAY_SINK_UNLOCK (playsink);
2084 gst_object_unref (playsink);
2085 gst_object_unref (tbin);
2089 /* sending audio/video flushes break stream changes when the pipeline
2090 * is paused and played again in 0.10 */
2093 gst_play_sink_video_sink_event (GstPad * pad, GstEvent * event)
2095 GstBin *tbin = GST_BIN_CAST (gst_pad_get_parent (pad));
2096 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_pad_get_parent (tbin));
2099 ret = gst_play_sink_sink_event (pad, event, "video",
2100 &playsink->video_ignore_wrong_state,
2101 &playsink->video_custom_flush_finished,
2102 &playsink->video_pending_flush, &playsink->video_segment);
2104 gst_object_unref (playsink);
2105 gst_object_unref (tbin);
2109 static GstFlowReturn
2110 gst_play_sink_video_sink_chain (GstPad * pad, GstBuffer * buffer)
2112 GstBin *tbin = GST_BIN_CAST (gst_pad_get_parent (pad));
2113 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_pad_get_parent (tbin));
2116 ret = gst_play_sink_sink_chain (pad, buffer, "video",
2117 &playsink->video_ignore_wrong_state,
2118 &playsink->video_custom_flush_finished,
2119 &playsink->video_pending_flush, &playsink->video_segment);
2121 gst_object_unref (playsink);
2122 gst_object_unref (tbin);
2127 gst_play_sink_audio_sink_event (GstPad * pad, GstEvent * event)
2129 GstBin *tbin = GST_BIN_CAST (gst_pad_get_parent (pad));
2130 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_pad_get_parent (tbin));
2133 ret = gst_play_sink_sink_event (pad, event, "audio",
2134 &playsink->audio_ignore_wrong_state,
2135 &playsink->audio_custom_flush_finished,
2136 &playsink->audio_pending_flush, &playsink->audio_segment);
2138 gst_object_unref (playsink);
2139 gst_object_unref (tbin);
2143 static GstFlowReturn
2144 gst_play_sink_audio_sink_chain (GstPad * pad, GstBuffer * buffer)
2146 GstBin *tbin = GST_BIN_CAST (gst_pad_get_parent (pad));
2147 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_pad_get_parent (tbin));
2150 ret = gst_play_sink_sink_chain (pad, buffer, "audio",
2151 &playsink->audio_ignore_wrong_state,
2152 &playsink->audio_custom_flush_finished,
2153 &playsink->audio_pending_flush, &playsink->audio_segment);
2155 gst_object_unref (playsink);
2156 gst_object_unref (tbin);
2162 gst_play_sink_text_sink_event (GstPad * pad, GstObject * parent,
2165 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_object_get_parent (parent));
2168 ret = gst_play_sink_sink_event (pad, parent, event, "subtitle",
2169 &playsink->text_ignore_wrong_state,
2170 &playsink->text_custom_flush_finished,
2171 &playsink->text_pending_flush, &playsink->text_segment);
2173 gst_object_unref (playsink);
2178 static GstFlowReturn
2179 gst_play_sink_text_sink_chain (GstPad * pad, GstObject * parent,
2183 GstPlaySink *playsink = GST_PLAY_SINK_CAST (gst_object_get_parent (parent));
2185 ret = gst_play_sink_sink_chain (pad, parent, buffer, "subtitle",
2186 &playsink->text_ignore_wrong_state,
2187 &playsink->text_custom_flush_finished,
2188 &playsink->text_pending_flush, &playsink->text_segment);
2190 gst_object_unref (playsink);
2195 gst_play_sink_text_src_event (GstPad * pad, GstObject * parent,
2199 const GstStructure *structure;
2201 GST_DEBUG_OBJECT (pad, "Got event %" GST_PTR_FORMAT, event);
2203 structure = gst_event_get_structure (event);
2206 gst_structure_id_has_field (structure,
2207 _playsink_reset_segment_event_marker_id)) {
2208 /* the events marked with a reset segment marker
2209 * are sent internally to reset the queue and
2210 * must be dropped here */
2211 GST_DEBUG_OBJECT (pad, "Dropping event with reset "
2212 "segment marker set: %" GST_PTR_FORMAT, event);
2217 ret = gst_pad_event_default (pad, parent, gst_event_ref (event));
2220 gst_event_unref (event);
2224 /* make an element for playback of video with subtitles embedded.
2225 * Only used for *raw* video streams.
2227 * +--------------------------------------------+
2229 * | +--------+ +-----------------+ |
2230 * | | queue | | subtitleoverlay | |
2231 * video--src sink---video_sink | |
2232 * | +--------+ | src--src
2233 * text------------------text_sink | |
2234 * | +-----------------+ |
2235 * +--------------------------------------------+
2238 static GstPlayTextChain *
2239 gen_text_chain (GstPlaySink * playsink)
2241 GstPlayTextChain *chain;
2244 GstPad *videosinkpad, *textsinkpad, *srcpad;
2246 chain = g_new0 (GstPlayTextChain, 1);
2247 chain->chain.playsink = playsink;
2249 GST_DEBUG_OBJECT (playsink, "making text chain %p", chain);
2251 chain->chain.bin = gst_bin_new ("tbin");
2252 bin = GST_BIN_CAST (chain->chain.bin);
2253 gst_object_ref_sink (bin);
2255 videosinkpad = textsinkpad = srcpad = NULL;
2257 /* first try to hook the text pad to the custom sink */
2258 if (playsink->text_sink) {
2259 GST_DEBUG_OBJECT (playsink, "trying configured textsink");
2260 chain->sink = try_element (playsink, playsink->text_sink, FALSE);
2263 gst_play_sink_find_property_sinks (playsink, chain->sink, "async",
2266 /* make sure the sparse subtitles don't participate in the preroll */
2267 g_object_set (elem, "async", FALSE, NULL);
2268 GST_DEBUG_OBJECT (playsink, "adding custom text sink");
2269 gst_bin_add (bin, chain->sink);
2270 /* NOTE streamsynchronizer needs streams decoupled */
2271 /* make a little queue */
2272 chain->queue = gst_element_factory_make ("queue", "subqueue");
2273 if (chain->queue == NULL) {
2274 post_missing_element_message (playsink, "queue");
2275 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2276 (_("Missing element '%s' - check your GStreamer installation."),
2277 "queue"), ("rendering might be suboptimal"));
2279 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
2280 "max-size-bytes", 0, "max-size-time", (gint64) GST_SECOND,
2281 "silent", TRUE, NULL);
2282 gst_bin_add (bin, chain->queue);
2284 /* we have a custom sink, this will be our textsinkpad */
2285 if (gst_element_link_pads_full (chain->queue, "src", chain->sink,
2286 "sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS)) {
2287 /* we're all fine now and we can add the sink to the chain */
2288 GST_DEBUG_OBJECT (playsink, "using custom text sink");
2289 textsinkpad = gst_element_get_static_pad (chain->queue, "sink");
2291 GST_WARNING_OBJECT (playsink,
2292 "can't find a sink pad on custom text sink");
2293 gst_bin_remove (bin, chain->sink);
2294 gst_bin_remove (bin, chain->queue);
2296 chain->queue = NULL;
2298 /* try to set sync to true but it's no biggie when we can't */
2299 if (chain->sink && (elem =
2300 gst_play_sink_find_property_sinks (playsink, chain->sink,
2301 "sync", G_TYPE_BOOLEAN)))
2302 g_object_set (elem, "sync", TRUE, NULL);
2305 gst_bin_remove (bin, chain->sink);
2307 GST_WARNING_OBJECT (playsink,
2308 "can't find async property in custom text sink");
2311 if (textsinkpad == NULL) {
2312 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2313 (_("Custom text sink element is not usable.")),
2314 ("fallback to default subtitleoverlay"));
2318 if (textsinkpad == NULL) {
2319 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_VIDEO)) {
2320 /* make a little queue */
2321 chain->queue = gst_element_factory_make ("queue", "vqueue");
2322 if (chain->queue == NULL) {
2323 post_missing_element_message (playsink, "queue");
2324 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2325 (_("Missing element '%s' - check your GStreamer installation."),
2326 "queue"), ("video rendering might be suboptimal"));
2328 g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
2329 "max-size-bytes", 0, "max-size-time", (gint64) 0,
2330 "silent", TRUE, NULL);
2331 gst_bin_add (bin, chain->queue);
2332 videosinkpad = gst_element_get_static_pad (chain->queue, "sink");
2336 gst_element_factory_make ("subtitleoverlay", "suboverlay");
2337 if (chain->overlay == NULL) {
2338 post_missing_element_message (playsink, "subtitleoverlay");
2339 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2340 (_("Missing element '%s' - check your GStreamer installation."),
2341 "subtitleoverlay"), ("subtitle rendering disabled"));
2343 GstElement *element;
2345 gst_bin_add (bin, chain->overlay);
2347 g_object_set (G_OBJECT (chain->overlay), "silent", FALSE, NULL);
2348 if (playsink->font_desc) {
2349 g_object_set (G_OBJECT (chain->overlay), "font-desc",
2350 playsink->font_desc, NULL);
2352 if (playsink->subtitle_encoding) {
2353 g_object_set (G_OBJECT (chain->overlay), "subtitle-encoding",
2354 playsink->subtitle_encoding, NULL);
2357 gst_element_link_pads_full (chain->queue, "src", chain->overlay,
2358 "video_sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS);
2360 /* make another little queue to decouple streams */
2361 element = gst_element_factory_make ("queue", "subqueue");
2362 if (element == NULL) {
2363 post_missing_element_message (playsink, "queue");
2364 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2365 (_("Missing element '%s' - check your GStreamer installation."),
2366 "queue"), ("rendering might be suboptimal"));
2368 g_object_set (G_OBJECT (element), "max-size-buffers", 3,
2369 "max-size-bytes", 0, "max-size-time", (gint64) GST_SECOND,
2370 "silent", TRUE, NULL);
2371 gst_bin_add (bin, element);
2372 if (gst_element_link_pads_full (element, "src", chain->overlay,
2373 "subtitle_sink", GST_PAD_LINK_CHECK_TEMPLATE_CAPS)) {
2374 textsinkpad = gst_element_get_static_pad (element, "sink");
2375 srcpad = gst_element_get_static_pad (chain->overlay, "src");
2377 gst_bin_remove (bin, chain->sink);
2378 gst_bin_remove (bin, chain->overlay);
2380 chain->overlay = NULL;
2381 gst_object_unref (videosinkpad);
2382 videosinkpad = NULL;
2389 if (videosinkpad == NULL) {
2390 /* if we still don't have a videosink, we don't have an overlay. the only
2391 * thing we can do is insert an identity and ghost the src
2393 chain->identity = gst_element_factory_make ("identity", "tidentity");
2394 if (chain->identity == NULL) {
2395 post_missing_element_message (playsink, "identity");
2396 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2397 (_("Missing element '%s' - check your GStreamer installation."),
2398 "identity"), (NULL));
2400 g_object_set (chain->identity, "signal-handoffs", FALSE, NULL);
2401 g_object_set (chain->identity, "silent", TRUE, NULL);
2402 gst_bin_add (bin, chain->identity);
2403 srcpad = gst_element_get_static_pad (chain->identity, "src");
2404 videosinkpad = gst_element_get_static_pad (chain->identity, "sink");
2408 /* expose the ghostpads */
2410 chain->videosinkpad = gst_ghost_pad_new ("sink", videosinkpad);
2411 gst_object_unref (videosinkpad);
2412 gst_element_add_pad (chain->chain.bin, chain->videosinkpad);
2415 chain->textsinkpad = gst_ghost_pad_new ("text_sink", textsinkpad);
2416 gst_object_unref (textsinkpad);
2418 gst_pad_set_event_function (chain->textsinkpad,
2419 GST_DEBUG_FUNCPTR (gst_play_sink_text_sink_event));
2420 gst_pad_set_chain_function (chain->textsinkpad,
2421 GST_DEBUG_FUNCPTR (gst_play_sink_text_sink_chain));
2423 gst_element_add_pad (chain->chain.bin, chain->textsinkpad);
2426 chain->srcpad = gst_ghost_pad_new ("src", srcpad);
2427 gst_object_unref (srcpad);
2429 gst_pad_set_event_function (chain->srcpad,
2430 GST_DEBUG_FUNCPTR (gst_play_sink_text_src_event));
2432 gst_element_add_pad (chain->chain.bin, chain->srcpad);
2439 notify_volume_cb (GObject * object, GParamSpec * pspec, GstPlaySink * playsink)
2443 g_object_get (object, "volume", &vol, NULL);
2444 playsink->volume = vol;
2446 g_object_notify (G_OBJECT (playsink), "volume");
2450 notify_mute_cb (GObject * object, GParamSpec * pspec, GstPlaySink * playsink)
2454 g_object_get (object, "mute", &mute, NULL);
2455 playsink->mute = mute;
2457 g_object_notify (G_OBJECT (playsink), "mute");
2460 /* make the chain that contains the elements needed to perform
2463 * We add a tee as the first element so that we can link the visualisation chain
2464 * to it when requested.
2466 * +-------------------------------------------------------------+
2468 * | +---------+ +----------+ +---------+ +---------+ |
2469 * | |audioconv| |audioscale| | volume | |audiosink| |
2470 * | +-srck src-sink src-sink src-sink | |
2471 * | | +---------+ +----------+ +---------+ +---------+ |
2473 * +-------------------------------------------------------------+
2475 static GstPlayAudioChain *
2476 gen_audio_chain (GstPlaySink * playsink, gboolean raw)
2478 GstPlayAudioChain *chain;
2480 gboolean have_volume;
2482 GstElement *head, *prev, *elem = NULL;
2484 chain = g_new0 (GstPlayAudioChain, 1);
2485 chain->chain.playsink = playsink;
2486 chain->chain.raw = raw;
2488 GST_DEBUG_OBJECT (playsink, "making audio chain %p", chain);
2490 if (playsink->audio_sink) {
2491 GST_DEBUG_OBJECT (playsink, "trying configured audiosink %" GST_PTR_FORMAT,
2492 playsink->audio_sink);
2493 chain->sink = try_element (playsink, playsink->audio_sink, FALSE);
2495 /* only try fallback if no specific sink was chosen */
2496 if (chain->sink == NULL) {
2497 GST_DEBUG_OBJECT (playsink, "trying autoaudiosink");
2498 elem = gst_element_factory_make ("autoaudiosink", "audiosink");
2499 chain->sink = try_element (playsink, elem, TRUE);
2501 if (chain->sink == NULL) {
2502 /* if default sink from config.h is different then try it too */
2503 if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
2504 GST_DEBUG_OBJECT (playsink, "trying " DEFAULT_AUDIOSINK);
2505 elem = gst_element_factory_make (DEFAULT_AUDIOSINK, "audiosink");
2506 chain->sink = try_element (playsink, elem, TRUE);
2510 playsink->audio_sink = gst_object_ref (chain->sink);
2512 if (chain->sink == NULL)
2515 chain->chain.bin = gst_bin_new ("abin");
2516 bin = GST_BIN_CAST (chain->chain.bin);
2517 gst_object_ref_sink (bin);
2518 gst_bin_add (bin, chain->sink);
2520 /* we have to add a queue when we need to decouple for the video sink in
2521 * visualisations and for streamsynchronizer */
2522 GST_DEBUG_OBJECT (playsink, "adding audio queue");
2523 chain->queue = gst_element_factory_make ("queue", "aqueue");
2524 if (chain->queue == NULL) {
2525 post_missing_element_message (playsink, "queue");
2526 GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
2527 (_("Missing element '%s' - check your GStreamer installation."),
2528 "queue"), ("audio playback and visualizations might not work"));
2532 g_object_set (chain->queue, "silent", TRUE, NULL);
2533 gst_bin_add (bin, chain->queue);
2534 prev = head = chain->queue;
2537 /* find ts-offset element */
2538 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
2539 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
2542 /* check if the sink, or something within the sink, has the volume property.
2543 * If it does we don't need to add a volume element. */
2545 gst_play_sink_find_property_sinks (playsink, chain->sink, "volume",
2548 chain->volume = elem;
2550 g_signal_connect (chain->volume, "notify::volume",
2551 G_CALLBACK (notify_volume_cb), playsink);
2553 GST_DEBUG_OBJECT (playsink, "the sink has a volume property");
2555 chain->sink_volume = TRUE;
2556 /* if the sink also has a mute property we can use this as well. We'll only
2557 * use the mute property if there is a volume property. We can simulate the
2558 * mute with the volume otherwise. */
2560 gst_play_sink_find_property_sinks (playsink, chain->sink, "mute",
2563 GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
2564 g_signal_connect (chain->mute, "notify::mute",
2565 G_CALLBACK (notify_mute_cb), playsink);
2567 /* use the sink to control the volume and mute */
2568 if (playsink->volume_changed) {
2569 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
2570 playsink->volume_changed = FALSE;
2572 if (playsink->mute_changed) {
2574 g_object_set (chain->mute, "mute", playsink->mute, NULL);
2577 g_object_set (chain->volume, "volume", (gdouble) 0.0, NULL);
2579 playsink->mute_changed = FALSE;
2582 /* no volume, we need to add a volume element when we can */
2583 GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
2584 have_volume = FALSE;
2585 chain->sink_volume = FALSE;
2588 if (!(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO) || (!have_volume
2589 && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME))) {
2590 gboolean use_converters = !(playsink->flags & GST_PLAY_FLAG_NATIVE_AUDIO);
2591 gboolean use_volume =
2592 !have_volume && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME);
2593 GST_DEBUG_OBJECT (playsink,
2594 "creating audioconvert with use-converters %d, use-volume %d",
2595 use_converters, use_volume);
2597 g_object_new (GST_TYPE_PLAY_SINK_AUDIO_CONVERT, "name", "aconv",
2598 "use-converters", use_converters, "use-volume", use_volume, NULL);
2599 gst_bin_add (bin, chain->conv);
2601 if (!gst_element_link_pads_full (prev, "src", chain->conv, "sink",
2602 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
2609 if (!have_volume && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) {
2610 GstPlaySinkAudioConvert *conv =
2611 GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
2614 chain->volume = conv->volume;
2617 g_signal_connect (chain->volume, "notify::volume",
2618 G_CALLBACK (notify_volume_cb), playsink);
2620 /* volume also has the mute property */
2621 chain->mute = chain->volume;
2622 g_signal_connect (chain->mute, "notify::mute",
2623 G_CALLBACK (notify_mute_cb), playsink);
2625 /* configure with the latest volume and mute */
2626 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume,
2628 g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
2634 /* we only have to link to the previous element if we have something in
2635 * front of the sink */
2636 GST_DEBUG_OBJECT (playsink, "linking to sink");
2637 if (!gst_element_link_pads_full (prev, "src", chain->sink, NULL,
2638 GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
2642 /* post a warning if we have no way to configure the volume */
2644 GST_ELEMENT_WARNING (playsink, STREAM, NOT_IMPLEMENTED,
2645 (_("No volume control found")), ("Volume/mute is not available"));
2648 /* and ghost the sinkpad of the headmost element */
2649 GST_DEBUG_OBJECT (playsink, "ghosting sink pad");
2650 pad = gst_element_get_static_pad (head, "sink");
2651 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
2653 /* sending audio/video flushes break stream changes when the pipeline
2654 * is paused and played again in 0.10 */
2656 gst_pad_set_event_function (chain->sinkpad,
2657 GST_DEBUG_FUNCPTR (gst_play_sink_audio_sink_event));
2658 gst_pad_set_chain_function (chain->sinkpad,
2659 GST_DEBUG_FUNCPTR (gst_play_sink_audio_sink_chain));
2662 gst_object_unref (pad);
2663 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
2670 if (!elem && !playsink->audio_sink) {
2671 post_missing_element_message (playsink, "autoaudiosink");
2672 if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
2673 post_missing_element_message (playsink, DEFAULT_AUDIOSINK);
2674 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2675 (_("Both autoaudiosink and %s elements are missing."),
2676 DEFAULT_AUDIOSINK), (NULL));
2678 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2679 (_("The autoaudiosink element is missing.")), (NULL));
2682 if (playsink->audio_sink) {
2683 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
2684 (_("Configured audiosink %s is not working."),
2685 GST_ELEMENT_NAME (playsink->audio_sink)), (NULL));
2686 } else if (strcmp (DEFAULT_AUDIOSINK, "autoaudiosink")) {
2687 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
2688 (_("Both autoaudiosink and %s elements are not working."),
2689 DEFAULT_AUDIOSINK), (NULL));
2691 GST_ELEMENT_ERROR (playsink, CORE, STATE_CHANGE,
2692 (_("The autoaudiosink element is not working.")), (NULL));
2695 free_chain ((GstPlayChain *) chain);
2700 GST_ELEMENT_ERROR (playsink, CORE, PAD,
2701 (NULL), ("Failed to configure the audio sink."));
2702 /* checking sink made it READY */
2703 gst_element_set_state (chain->sink, GST_STATE_NULL);
2704 /* Remove chain from the bin to allow reuse later */
2705 gst_bin_remove (bin, chain->sink);
2706 free_chain ((GstPlayChain *) chain);
2712 setup_audio_chain (GstPlaySink * playsink, gboolean raw)
2715 GstPlayAudioChain *chain;
2716 GstStateChangeReturn ret;
2717 GstPlaySinkAudioConvert *conv;
2719 chain = playsink->audiochain;
2720 conv = GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
2722 chain->chain.raw = raw;
2724 /* if the chain was active we don't do anything */
2725 if (GST_PLAY_CHAIN (chain)->activated == TRUE)
2728 /* try to set the sink element to READY again */
2729 ret = gst_element_set_state (chain->sink, GST_STATE_READY);
2730 if (ret == GST_STATE_CHANGE_FAILURE)
2733 /* find ts-offset element */
2734 gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
2735 gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
2738 /* check if the sink, or something within the sink, has the volume property.
2739 * If it does we don't need to add a volume element. */
2741 gst_play_sink_find_property_sinks (playsink, chain->sink, "volume",
2744 chain->volume = elem;
2746 if (playsink->volume_changed) {
2747 GST_DEBUG_OBJECT (playsink, "the sink has a volume property, setting %f",
2749 /* use the sink to control the volume */
2750 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
2751 playsink->volume_changed = FALSE;
2754 g_signal_connect (chain->volume, "notify::volume",
2755 G_CALLBACK (notify_volume_cb), playsink);
2756 /* if the sink also has a mute property we can use this as well. We'll only
2757 * use the mute property if there is a volume property. We can simulate the
2758 * mute with the volume otherwise. */
2760 gst_play_sink_find_property_sinks (playsink, chain->sink, "mute",
2763 GST_DEBUG_OBJECT (playsink, "the sink has a mute property");
2764 g_signal_connect (chain->mute, "notify::mute",
2765 G_CALLBACK (notify_mute_cb), playsink);
2768 g_object_set (chain->conv, "use-volume", FALSE, NULL);
2770 /* no volume, we need to add a volume element when we can */
2771 g_object_set (chain->conv, "use-volume",
2772 ! !(playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME), NULL);
2773 GST_DEBUG_OBJECT (playsink, "the sink has no volume property");
2775 /* Disconnect signals */
2776 disconnect_chain (chain, playsink);
2778 if (conv->volume && (playsink->flags & GST_PLAY_FLAG_SOFT_VOLUME)) {
2779 chain->volume = conv->volume;
2780 chain->mute = chain->volume;
2782 g_signal_connect (chain->volume, "notify::volume",
2783 G_CALLBACK (notify_volume_cb), playsink);
2785 g_signal_connect (chain->mute, "notify::mute",
2786 G_CALLBACK (notify_mute_cb), playsink);
2788 /* configure with the latest volume and mute */
2789 g_object_set (G_OBJECT (chain->volume), "volume", playsink->volume, NULL);
2790 g_object_set (G_OBJECT (chain->mute), "mute", playsink->mute, NULL);
2793 GST_DEBUG_OBJECT (playsink, "reusing existing volume element");
2799 * +-------------------------------------------------------------------+
2801 * | +----------+ +------------+ +----------+ +-------+ |
2802 * | | visqueue | | audioconv | | audiores | | vis | |
2803 * | +-sink src-sink + samp src-sink src-sink src-+ |
2804 * | | +----------+ +------------+ +----------+ +-------+ | |
2806 * +-------------------------------------------------------------------+
2809 static GstPlayVisChain *
2810 gen_vis_chain (GstPlaySink * playsink)
2812 GstPlayVisChain *chain;
2818 chain = g_new0 (GstPlayVisChain, 1);
2819 chain->chain.playsink = playsink;
2821 GST_DEBUG_OBJECT (playsink, "making vis chain %p", chain);
2823 chain->chain.bin = gst_bin_new ("visbin");
2824 bin = GST_BIN_CAST (chain->chain.bin);
2825 gst_object_ref_sink (bin);
2827 /* we're queuing raw audio here, we can remove this queue when we can disable
2828 * async behaviour in the video sink. */
2829 chain->queue = gst_element_factory_make ("queue", "visqueue");
2830 if (chain->queue == NULL)
2832 g_object_set (chain->queue, "silent", TRUE, NULL);
2833 gst_bin_add (bin, chain->queue);
2835 chain->conv = gst_element_factory_make ("audioconvert", "aconv");
2836 if (chain->conv == NULL)
2837 goto no_audioconvert;
2838 gst_bin_add (bin, chain->conv);
2840 chain->resample = gst_element_factory_make ("audioresample", "aresample");
2841 if (chain->resample == NULL)
2842 goto no_audioresample;
2843 gst_bin_add (bin, chain->resample);
2845 /* this pad will be used for blocking the dataflow and switching the vis
2847 chain->blockpad = gst_element_get_static_pad (chain->resample, "src");
2849 if (playsink->visualisation) {
2850 GST_DEBUG_OBJECT (playsink, "trying configure vis");
2851 chain->vis = try_element (playsink, playsink->visualisation, FALSE);
2853 if (chain->vis == NULL) {
2854 GST_DEBUG_OBJECT (playsink, "trying goom");
2855 elem = gst_element_factory_make ("goom", "vis");
2856 chain->vis = try_element (playsink, elem, TRUE);
2858 if (chain->vis == NULL)
2861 gst_bin_add (bin, chain->vis);
2863 res = gst_element_link_pads_full (chain->queue, "src", chain->conv, "sink",
2864 GST_PAD_LINK_CHECK_NOTHING);
2866 gst_element_link_pads_full (chain->conv, "src", chain->resample, "sink",
2867 GST_PAD_LINK_CHECK_NOTHING);
2869 gst_element_link_pads_full (chain->resample, "src", chain->vis, "sink",
2870 GST_PAD_LINK_CHECK_NOTHING);
2874 chain->vissinkpad = gst_element_get_static_pad (chain->vis, "sink");
2875 chain->vissrcpad = gst_element_get_static_pad (chain->vis, "src");
2877 pad = gst_element_get_static_pad (chain->queue, "sink");
2878 chain->sinkpad = gst_ghost_pad_new ("sink", pad);
2879 gst_object_unref (pad);
2880 gst_element_add_pad (chain->chain.bin, chain->sinkpad);
2882 chain->srcpad = gst_ghost_pad_new ("src", chain->vissrcpad);
2883 gst_element_add_pad (chain->chain.bin, chain->srcpad);
2890 post_missing_element_message (playsink, "queue");
2891 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2892 (_("Missing element '%s' - check your GStreamer installation."),
2894 free_chain ((GstPlayChain *) chain);
2899 post_missing_element_message (playsink, "audioconvert");
2900 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2901 (_("Missing element '%s' - check your GStreamer installation."),
2902 "audioconvert"), ("possibly a liboil version mismatch?"));
2903 free_chain ((GstPlayChain *) chain);
2908 post_missing_element_message (playsink, "audioresample");
2909 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2910 (_("Missing element '%s' - check your GStreamer installation."),
2911 "audioresample"), (NULL));
2912 free_chain ((GstPlayChain *) chain);
2917 post_missing_element_message (playsink, "goom");
2918 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
2919 (_("Missing element '%s' - check your GStreamer installation."),
2921 free_chain ((GstPlayChain *) chain);
2926 GST_ELEMENT_ERROR (playsink, CORE, PAD,
2927 (NULL), ("Failed to configure the visualisation element."));
2928 /* element made it to READY */
2929 gst_element_set_state (chain->vis, GST_STATE_NULL);
2930 free_chain ((GstPlayChain *) chain);
2935 /* this function is called when all the request pads are requested and when we
2936 * have to construct the final pipeline. Based on the flags we construct the
2937 * final output pipelines.
2940 gst_play_sink_do_reconfigure (GstPlaySink * playsink)
2943 gboolean need_audio, need_video, need_deinterlace, need_vis, need_text;
2945 GST_DEBUG_OBJECT (playsink, "reconfiguring");
2947 /* assume we need nothing */
2948 need_audio = need_video = need_deinterlace = need_vis = need_text = FALSE;
2950 GST_PLAY_SINK_LOCK (playsink);
2951 GST_OBJECT_LOCK (playsink);
2952 /* get flags, there are protected with the object lock */
2953 flags = playsink->flags;
2954 GST_OBJECT_UNLOCK (playsink);
2956 /* figure out which components we need */
2957 if (flags & GST_PLAY_FLAG_TEXT && playsink->text_pad) {
2958 /* we have subtitles and we are requested to show it */
2962 if (((flags & GST_PLAY_FLAG_VIDEO)
2963 || (flags & GST_PLAY_FLAG_NATIVE_VIDEO)) && playsink->video_pad) {
2964 /* we have video and we are requested to show it */
2967 /* we only deinterlace if native video is not requested and
2968 * we have raw video */
2969 if ((flags & GST_PLAY_FLAG_DEINTERLACE)
2970 && !(flags & GST_PLAY_FLAG_NATIVE_VIDEO) && playsink->video_pad_raw)
2971 need_deinterlace = TRUE;
2974 if (playsink->audio_pad) {
2975 if ((flags & GST_PLAY_FLAG_AUDIO) || (flags & GST_PLAY_FLAG_NATIVE_AUDIO)) {
2978 if (playsink->audio_pad_raw) {
2979 /* only can do vis with raw uncompressed audio */
2980 if (flags & GST_PLAY_FLAG_VIS && !need_video) {
2981 /* also add video when we add visualisation */
2988 /* we have a text_pad and we need text rendering, in this case we need a
2989 * video_pad to combine the video with the text or visualizations */
2990 if (need_text && !need_video && !playsink->text_sink) {
2991 if (playsink->video_pad) {
2993 } else if (need_audio) {
2994 GST_ELEMENT_WARNING (playsink, STREAM, FORMAT,
2995 (_("Can't play a text file without video or visualizations.")),
2996 ("Have text pad but no video pad or visualizations"));
2999 GST_ELEMENT_ERROR (playsink, STREAM, FORMAT,
3000 (_("Can't play a text file without video or visualizations.")),
3001 ("Have text pad but no video pad or visualizations"));
3002 GST_PLAY_SINK_UNLOCK (playsink);
3007 GST_DEBUG_OBJECT (playsink, "audio:%d, video:%d, vis:%d, text:%d", need_audio,
3008 need_video, need_vis, need_text);
3010 /* set up video pipeline */
3012 gboolean raw, async;
3014 /* we need a raw sink when we do vis or when we have a raw pad */
3015 raw = need_vis ? TRUE : playsink->video_pad_raw;
3016 /* we try to set the sink async=FALSE when we need vis, this way we can
3017 * avoid a queue in the audio chain. */
3020 GST_DEBUG_OBJECT (playsink, "adding video, raw %d",
3021 playsink->video_pad_raw);
3023 if (playsink->videochain) {
3024 /* try to reactivate the chain */
3025 if (!setup_video_chain (playsink, raw, async)) {
3026 if (playsink->video_sinkpad_stream_synchronizer) {
3027 gst_element_release_request_pad (GST_ELEMENT_CAST
3028 (playsink->stream_synchronizer),
3029 playsink->video_sinkpad_stream_synchronizer);
3030 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
3031 playsink->video_sinkpad_stream_synchronizer = NULL;
3032 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
3033 playsink->video_srcpad_stream_synchronizer = NULL;
3036 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3038 /* Remove the sink from the bin to keep its state
3039 * and unparent it to allow reuse */
3040 if (playsink->videochain->sink)
3041 gst_bin_remove (GST_BIN_CAST (playsink->videochain->chain.bin),
3042 playsink->videochain->sink);
3044 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3045 free_chain ((GstPlayChain *) playsink->videochain);
3046 playsink->videochain = NULL;
3048 GST_OBJECT_LOCK (playsink);
3049 if (playsink->overlay_element)
3050 gst_object_unref (playsink->overlay_element);
3051 playsink->overlay_element = NULL;
3053 if (playsink->colorbalance_element) {
3054 g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
3055 G_CALLBACK (colorbalance_value_changed_cb), playsink);
3056 gst_object_unref (playsink->colorbalance_element);
3058 playsink->colorbalance_element = NULL;
3059 GST_OBJECT_UNLOCK (playsink);
3063 if (!playsink->videochain)
3064 playsink->videochain = gen_video_chain (playsink, raw, async);
3065 if (!playsink->videochain)
3068 if (!playsink->video_sinkpad_stream_synchronizer) {
3069 GValue item = { 0, };
3072 playsink->video_sinkpad_stream_synchronizer =
3073 gst_element_get_request_pad (GST_ELEMENT_CAST
3074 (playsink->stream_synchronizer), "sink_%u");
3075 it = gst_pad_iterate_internal_links
3076 (playsink->video_sinkpad_stream_synchronizer);
3078 gst_iterator_next (it, &item);
3079 playsink->video_srcpad_stream_synchronizer = g_value_dup_object (&item);
3080 g_value_unset (&item);
3081 g_assert (playsink->video_srcpad_stream_synchronizer);
3082 gst_iterator_free (it);
3085 if (playsink->video_pad)
3086 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad),
3087 playsink->video_sinkpad_stream_synchronizer);
3089 if (need_deinterlace) {
3090 if (!playsink->videodeinterlacechain)
3091 playsink->videodeinterlacechain =
3092 gen_video_deinterlace_chain (playsink);
3093 if (!playsink->videodeinterlacechain)
3096 GST_DEBUG_OBJECT (playsink, "adding video deinterlace chain");
3098 GST_DEBUG_OBJECT (playsink, "setting up deinterlacing chain");
3100 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), TRUE);
3101 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), TRUE);
3103 gst_pad_unlink (playsink->video_srcpad_stream_synchronizer,
3104 playsink->videochain->sinkpad);
3105 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
3106 playsink->videodeinterlacechain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3108 if (playsink->videodeinterlacechain) {
3109 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
3110 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain),
3115 GST_DEBUG_OBJECT (playsink, "adding video chain");
3116 add_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
3117 activate_chain (GST_PLAY_CHAIN (playsink->videochain), TRUE);
3118 /* if we are not part of vis or subtitles, set the ghostpad target */
3119 if (!need_vis && !need_text && (!playsink->textchain
3120 || !playsink->text_pad)) {
3121 GST_DEBUG_OBJECT (playsink, "ghosting video sinkpad");
3122 gst_pad_unlink (playsink->video_srcpad_stream_synchronizer,
3123 playsink->videochain->sinkpad);
3124 if (playsink->videodeinterlacechain
3125 && playsink->videodeinterlacechain->srcpad)
3126 gst_pad_unlink (playsink->videodeinterlacechain->srcpad,
3127 playsink->videochain->sinkpad);
3128 if (need_deinterlace)
3129 gst_pad_link_full (playsink->videodeinterlacechain->srcpad,
3130 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3132 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
3133 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3136 GST_DEBUG_OBJECT (playsink, "no video needed");
3137 if (playsink->videochain) {
3138 GST_DEBUG_OBJECT (playsink, "removing video chain");
3139 if (playsink->vischain) {
3142 GST_DEBUG_OBJECT (playsink, "unlinking vis chain");
3144 /* also had visualisation, release the tee srcpad before we then
3145 * unlink the video from it */
3146 if (playsink->audio_tee_vissrc) {
3147 gst_element_release_request_pad (playsink->audio_tee,
3148 playsink->audio_tee_vissrc);
3149 gst_object_unref (playsink->audio_tee_vissrc);
3150 playsink->audio_tee_vissrc = NULL;
3153 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
3154 gst_pad_unlink (srcpad, playsink->videochain->sinkpad);
3157 if (playsink->video_sinkpad_stream_synchronizer) {
3158 gst_element_release_request_pad (GST_ELEMENT_CAST
3159 (playsink->stream_synchronizer),
3160 playsink->video_sinkpad_stream_synchronizer);
3161 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
3162 playsink->video_sinkpad_stream_synchronizer = NULL;
3163 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
3164 playsink->video_srcpad_stream_synchronizer = NULL;
3167 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3168 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
3169 if (playsink->videochain->ts_offset)
3170 gst_object_unref (playsink->videochain->ts_offset);
3171 playsink->videochain->ts_offset = NULL;
3174 if (playsink->videodeinterlacechain) {
3175 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
3176 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
3179 if (playsink->video_pad)
3180 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL);
3182 GST_OBJECT_LOCK (playsink);
3183 if (playsink->overlay_element)
3184 gst_object_unref (playsink->overlay_element);
3185 playsink->overlay_element = NULL;
3187 if (playsink->colorbalance_element) {
3188 g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
3189 G_CALLBACK (colorbalance_value_changed_cb), playsink);
3190 gst_object_unref (playsink->colorbalance_element);
3192 playsink->colorbalance_element = NULL;
3193 GST_OBJECT_UNLOCK (playsink);
3200 GST_DEBUG_OBJECT (playsink, "adding audio");
3202 /* get a raw sink if we are asked for a raw pad */
3203 raw = playsink->audio_pad_raw;
3205 if (playsink->audiochain) {
3206 /* try to reactivate the chain */
3207 if (!setup_audio_chain (playsink, raw)) {
3208 GST_DEBUG_OBJECT (playsink, "removing current audio chain");
3209 if (playsink->audio_tee_asrc) {
3210 gst_element_release_request_pad (playsink->audio_tee,
3211 playsink->audio_tee_asrc);
3212 gst_object_unref (playsink->audio_tee_asrc);
3213 playsink->audio_tee_asrc = NULL;
3216 if (playsink->audio_sinkpad_stream_synchronizer) {
3217 gst_element_release_request_pad (GST_ELEMENT_CAST
3218 (playsink->stream_synchronizer),
3219 playsink->audio_sinkpad_stream_synchronizer);
3220 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
3221 playsink->audio_sinkpad_stream_synchronizer = NULL;
3222 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
3223 playsink->audio_srcpad_stream_synchronizer = NULL;
3226 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3228 /* Remove the sink from the bin to keep its state
3229 * and unparent it to allow reuse */
3230 if (playsink->audiochain->sink)
3231 gst_bin_remove (GST_BIN_CAST (playsink->audiochain->chain.bin),
3232 playsink->audiochain->sink);
3234 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3235 disconnect_chain (playsink->audiochain, playsink);
3236 playsink->audiochain->volume = NULL;
3237 playsink->audiochain->mute = NULL;
3238 if (playsink->audiochain->ts_offset)
3239 gst_object_unref (playsink->audiochain->ts_offset);
3240 playsink->audiochain->ts_offset = NULL;
3241 free_chain ((GstPlayChain *) playsink->audiochain);
3242 playsink->audiochain = NULL;
3243 playsink->volume_changed = playsink->mute_changed = FALSE;
3247 if (!playsink->audiochain) {
3248 GST_DEBUG_OBJECT (playsink, "creating new audio chain");
3249 playsink->audiochain = gen_audio_chain (playsink, raw);
3252 if (!playsink->audio_sinkpad_stream_synchronizer) {
3253 GValue item = { 0, };
3256 playsink->audio_sinkpad_stream_synchronizer =
3257 gst_element_get_request_pad (GST_ELEMENT_CAST
3258 (playsink->stream_synchronizer), "sink_%u");
3259 it = gst_pad_iterate_internal_links
3260 (playsink->audio_sinkpad_stream_synchronizer);
3262 gst_iterator_next (it, &item);
3263 playsink->audio_srcpad_stream_synchronizer = g_value_dup_object (&item);
3264 g_value_unset (&item);
3265 g_assert (playsink->audio_srcpad_stream_synchronizer);
3266 gst_iterator_free (it);
3269 if (playsink->audiochain) {
3270 GST_DEBUG_OBJECT (playsink, "adding audio chain");
3271 if (playsink->audio_tee_asrc == NULL) {
3272 playsink->audio_tee_asrc =
3273 gst_element_get_request_pad (playsink->audio_tee, "src_%u");
3275 add_chain (GST_PLAY_CHAIN (playsink->audiochain), TRUE);
3276 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), TRUE);
3277 gst_pad_link_full (playsink->audio_tee_asrc,
3278 playsink->audio_sinkpad_stream_synchronizer,
3279 GST_PAD_LINK_CHECK_NOTHING);
3280 gst_pad_link_full (playsink->audio_srcpad_stream_synchronizer,
3281 playsink->audiochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3284 GST_DEBUG_OBJECT (playsink, "no audio needed");
3285 /* we have no audio or we are requested to not play audio */
3286 if (playsink->audiochain) {
3287 GST_DEBUG_OBJECT (playsink, "removing audio chain");
3288 /* release the audio pad */
3289 if (playsink->audio_tee_asrc) {
3290 gst_element_release_request_pad (playsink->audio_tee,
3291 playsink->audio_tee_asrc);
3292 gst_object_unref (playsink->audio_tee_asrc);
3293 playsink->audio_tee_asrc = NULL;
3296 if (playsink->audio_sinkpad_stream_synchronizer) {
3297 gst_element_release_request_pad (GST_ELEMENT_CAST
3298 (playsink->stream_synchronizer),
3299 playsink->audio_sinkpad_stream_synchronizer);
3300 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
3301 playsink->audio_sinkpad_stream_synchronizer = NULL;
3302 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
3303 playsink->audio_srcpad_stream_synchronizer = NULL;
3306 if (playsink->audiochain->sink_volume) {
3307 disconnect_chain (playsink->audiochain, playsink);
3308 playsink->audiochain->volume = NULL;
3309 playsink->audiochain->mute = NULL;
3310 if (playsink->audiochain->ts_offset)
3311 gst_object_unref (playsink->audiochain->ts_offset);
3312 playsink->audiochain->ts_offset = NULL;
3314 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3315 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
3322 if (!playsink->vischain)
3323 playsink->vischain = gen_vis_chain (playsink);
3325 GST_DEBUG_OBJECT (playsink, "adding visualisation");
3327 if (playsink->vischain) {
3328 GST_DEBUG_OBJECT (playsink, "setting up vis chain");
3330 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
3331 add_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
3332 activate_chain (GST_PLAY_CHAIN (playsink->vischain), TRUE);
3333 if (playsink->audio_tee_vissrc == NULL) {
3334 playsink->audio_tee_vissrc =
3335 gst_element_get_request_pad (playsink->audio_tee, "src_%u");
3337 gst_pad_link_full (playsink->audio_tee_vissrc,
3338 playsink->vischain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3339 gst_pad_link_full (srcpad, playsink->video_sinkpad_stream_synchronizer,
3340 GST_PAD_LINK_CHECK_NOTHING);
3341 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
3342 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3343 gst_object_unref (srcpad);
3346 GST_DEBUG_OBJECT (playsink, "no vis needed");
3347 if (playsink->vischain) {
3348 if (playsink->audio_tee_vissrc) {
3349 gst_element_release_request_pad (playsink->audio_tee,
3350 playsink->audio_tee_vissrc);
3351 gst_object_unref (playsink->audio_tee_vissrc);
3352 playsink->audio_tee_vissrc = NULL;
3354 GST_DEBUG_OBJECT (playsink, "removing vis chain");
3355 add_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
3356 activate_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
3361 GST_DEBUG_OBJECT (playsink, "adding text");
3362 if (!playsink->textchain) {
3363 GST_DEBUG_OBJECT (playsink, "creating text chain");
3364 playsink->textchain = gen_text_chain (playsink);
3366 if (playsink->textchain) {
3369 GST_DEBUG_OBJECT (playsink, "adding text chain");
3370 if (playsink->textchain->overlay)
3371 g_object_set (G_OBJECT (playsink->textchain->overlay), "silent", FALSE,
3373 add_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE);
3375 if (!playsink->text_sinkpad_stream_synchronizer) {
3376 GValue item = { 0, };
3378 playsink->text_sinkpad_stream_synchronizer =
3379 gst_element_get_request_pad (GST_ELEMENT_CAST
3380 (playsink->stream_synchronizer), "sink_%u");
3381 it = gst_pad_iterate_internal_links
3382 (playsink->text_sinkpad_stream_synchronizer);
3384 gst_iterator_next (it, &item);
3385 playsink->text_srcpad_stream_synchronizer = g_value_dup_object (&item);
3386 g_value_unset (&item);
3387 g_assert (playsink->text_srcpad_stream_synchronizer);
3388 gst_iterator_free (it);
3390 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->text_pad),
3391 playsink->text_sinkpad_stream_synchronizer);
3392 gst_pad_link_full (playsink->text_srcpad_stream_synchronizer,
3393 playsink->textchain->textsinkpad, GST_PAD_LINK_CHECK_NOTHING);
3396 if (need_vis || need_video) {
3401 gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
3402 gst_pad_unlink (srcpad, playsink->videochain->sinkpad);
3403 gst_pad_link_full (srcpad, playsink->textchain->videosinkpad,
3404 GST_PAD_LINK_CHECK_NOTHING);
3405 gst_object_unref (srcpad);
3407 if (need_deinterlace)
3408 gst_pad_link_full (playsink->videodeinterlacechain->srcpad,
3409 playsink->textchain->videosinkpad, GST_PAD_LINK_CHECK_NOTHING);
3411 gst_pad_link_full (playsink->video_srcpad_stream_synchronizer,
3412 playsink->textchain->videosinkpad, GST_PAD_LINK_CHECK_NOTHING);
3414 gst_pad_link_full (playsink->textchain->srcpad,
3415 playsink->videochain->sinkpad, GST_PAD_LINK_CHECK_NOTHING);
3418 activate_chain (GST_PLAY_CHAIN (playsink->textchain), TRUE);
3421 GST_DEBUG_OBJECT (playsink, "no text needed");
3422 /* we have no subtitles/text or we are requested to not show them */
3424 if (playsink->text_sinkpad_stream_synchronizer) {
3425 gst_element_release_request_pad (GST_ELEMENT_CAST
3426 (playsink->stream_synchronizer),
3427 playsink->text_sinkpad_stream_synchronizer);
3428 gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
3429 playsink->text_sinkpad_stream_synchronizer = NULL;
3430 gst_object_unref (playsink->text_srcpad_stream_synchronizer);
3431 playsink->text_srcpad_stream_synchronizer = NULL;
3434 if (playsink->textchain) {
3435 if (playsink->text_pad == NULL) {
3436 /* no text pad, remove the chain entirely */
3437 GST_DEBUG_OBJECT (playsink, "removing text chain");
3438 add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
3439 activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
3441 /* we have a chain and a textpad, turn the subtitles off */
3442 GST_DEBUG_OBJECT (playsink, "turning off the text");
3443 if (playsink->textchain->overlay)
3444 g_object_set (G_OBJECT (playsink->textchain->overlay), "silent", TRUE,
3448 if (!need_video && playsink->video_pad) {
3449 if (playsink->video_sinkpad_stream_synchronizer) {
3450 gst_element_release_request_pad (GST_ELEMENT_CAST
3451 (playsink->stream_synchronizer),
3452 playsink->video_sinkpad_stream_synchronizer);
3453 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
3454 playsink->video_sinkpad_stream_synchronizer = NULL;
3455 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
3456 playsink->video_srcpad_stream_synchronizer = NULL;
3459 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->video_pad), NULL);
3462 if (playsink->text_pad && !playsink->textchain)
3463 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->text_pad), NULL);
3465 update_av_offset (playsink);
3466 do_async_done (playsink);
3467 GST_PLAY_SINK_UNLOCK (playsink);
3474 /* gen_ chain already posted error */
3475 GST_DEBUG_OBJECT (playsink, "failed to setup chain");
3476 GST_PLAY_SINK_UNLOCK (playsink);
3482 * gst_play_sink_set_flags:
3483 * @playsink: a #GstPlaySink
3484 * @flags: #GstPlayFlags
3486 * Configure @flags on @playsink. The flags control the behaviour of @playsink
3487 * when constructing the sink pipelins.
3489 * Returns: TRUE if the flags could be configured.
3492 gst_play_sink_set_flags (GstPlaySink * playsink, GstPlayFlags flags)
3494 g_return_val_if_fail (GST_IS_PLAY_SINK (playsink), FALSE);
3496 GST_OBJECT_LOCK (playsink);
3497 playsink->flags = flags;
3498 GST_OBJECT_UNLOCK (playsink);
3504 * gst_play_sink_get_flags:
3505 * @playsink: a #GstPlaySink
3507 * Get the flags of @playsink. That flags control the behaviour of the sink when
3508 * it constructs the sink pipelines.
3510 * Returns: the currently configured #GstPlayFlags.
3513 gst_play_sink_get_flags (GstPlaySink * playsink)
3517 g_return_val_if_fail (GST_IS_PLAY_SINK (playsink), 0);
3519 GST_OBJECT_LOCK (playsink);
3520 res = playsink->flags;
3521 GST_OBJECT_UNLOCK (playsink);
3527 gst_play_sink_set_font_desc (GstPlaySink * playsink, const gchar * desc)
3529 GstPlayTextChain *chain;
3531 GST_PLAY_SINK_LOCK (playsink);
3532 chain = (GstPlayTextChain *) playsink->textchain;
3533 g_free (playsink->font_desc);
3534 playsink->font_desc = g_strdup (desc);
3535 if (chain && chain->overlay) {
3536 g_object_set (chain->overlay, "font-desc", desc, NULL);
3538 GST_PLAY_SINK_UNLOCK (playsink);
3542 gst_play_sink_get_font_desc (GstPlaySink * playsink)
3544 gchar *result = NULL;
3545 GstPlayTextChain *chain;
3547 GST_PLAY_SINK_LOCK (playsink);
3548 chain = (GstPlayTextChain *) playsink->textchain;
3549 if (chain && chain->overlay) {
3550 g_object_get (chain->overlay, "font-desc", &result, NULL);
3551 playsink->font_desc = g_strdup (result);
3553 result = g_strdup (playsink->font_desc);
3555 GST_PLAY_SINK_UNLOCK (playsink);
3561 gst_play_sink_set_subtitle_encoding (GstPlaySink * playsink,
3562 const gchar * encoding)
3564 GstPlayTextChain *chain;
3566 GST_PLAY_SINK_LOCK (playsink);
3567 chain = (GstPlayTextChain *) playsink->textchain;
3568 g_free (playsink->subtitle_encoding);
3569 playsink->subtitle_encoding = g_strdup (encoding);
3570 if (chain && chain->overlay) {
3571 g_object_set (chain->overlay, "subtitle-encoding", encoding, NULL);
3573 GST_PLAY_SINK_UNLOCK (playsink);
3577 gst_play_sink_get_subtitle_encoding (GstPlaySink * playsink)
3579 gchar *result = NULL;
3580 GstPlayTextChain *chain;
3582 GST_PLAY_SINK_LOCK (playsink);
3583 chain = (GstPlayTextChain *) playsink->textchain;
3584 if (chain && chain->overlay) {
3585 g_object_get (chain->overlay, "subtitle-encoding", &result, NULL);
3586 playsink->subtitle_encoding = g_strdup (result);
3588 result = g_strdup (playsink->subtitle_encoding);
3590 GST_PLAY_SINK_UNLOCK (playsink);
3596 update_av_offset (GstPlaySink * playsink)
3599 GstPlayAudioChain *achain;
3600 GstPlayVideoChain *vchain;
3602 av_offset = playsink->av_offset;
3603 achain = (GstPlayAudioChain *) playsink->audiochain;
3604 vchain = (GstPlayVideoChain *) playsink->videochain;
3606 if (achain && vchain && achain->ts_offset && vchain->ts_offset) {
3607 g_object_set (achain->ts_offset,
3608 "ts-offset", MAX (G_GINT64_CONSTANT (0), -av_offset), NULL);
3609 g_object_set (vchain->ts_offset,
3610 "ts-offset", MAX (G_GINT64_CONSTANT (0), av_offset), NULL);
3612 GST_LOG_OBJECT (playsink, "no ts_offset elements");
3617 gst_play_sink_set_av_offset (GstPlaySink * playsink, gint64 av_offset)
3619 GST_PLAY_SINK_LOCK (playsink);
3620 playsink->av_offset = av_offset;
3621 update_av_offset (playsink);
3622 GST_PLAY_SINK_UNLOCK (playsink);
3626 gst_play_sink_get_av_offset (GstPlaySink * playsink)
3630 GST_PLAY_SINK_LOCK (playsink);
3631 result = playsink->av_offset;
3632 GST_PLAY_SINK_UNLOCK (playsink);
3638 * gst_play_sink_get_last_sample:
3639 * @playsink: a #GstPlaySink
3641 * Get the last displayed sample from @playsink. This sample is in the native
3642 * format of the sink element, the caps in the result sample contain the format
3643 * of the frame data.
3645 * Returns: a #GstSample with the frame data or %NULL when no video frame is
3649 gst_play_sink_get_last_sample (GstPlaySink * playsink)
3651 GstSample *result = NULL;
3652 GstPlayVideoChain *chain;
3654 GST_PLAY_SINK_LOCK (playsink);
3655 GST_DEBUG_OBJECT (playsink, "taking last sample");
3656 /* get the video chain if we can */
3657 if ((chain = (GstPlayVideoChain *) playsink->videochain)) {
3658 GST_DEBUG_OBJECT (playsink, "found video chain");
3659 /* see if the chain is active */
3660 if (chain->chain.activated && chain->sink) {
3663 GST_DEBUG_OBJECT (playsink, "video chain active and has a sink");
3665 /* find and get the last-buffer property now */
3667 gst_play_sink_find_property (playsink, chain->sink,
3668 "last-sample", GST_TYPE_SAMPLE))) {
3669 GST_DEBUG_OBJECT (playsink, "getting last-sample property");
3670 g_object_get (elem, "last-sample", &result, NULL);
3671 gst_object_unref (elem);
3675 GST_PLAY_SINK_UNLOCK (playsink);
3681 * gst_play_sink_convert_sample:
3682 * @playsink: a #GstPlaySink
3685 * Get the last displayed frame from @playsink. If caps is %NULL, the video will
3686 * be in the native format of the sink element and the caps on the buffer
3687 * describe the format of the frame. If @caps is not %NULL, the video
3688 * frame will be converted to the format of the caps.
3690 * Returns: a #GstBuffer with the frame data or %NULL when no video frame is
3691 * available or when the conversion failed.
3694 gst_play_sink_convert_sample (GstPlaySink * playsink, GstCaps * caps)
3699 result = gst_play_sink_get_last_sample (playsink);
3700 if (result != NULL && caps != NULL) {
3703 temp = gst_video_convert_sample (result, caps, 25 * GST_SECOND, &err);
3704 if (temp == NULL && err)
3707 gst_sample_unref (result);
3715 /* I'm really uncertain whether we should make playsink post an error
3716 * on the bus or not. It's not like it's a critical issue regarding
3717 * playsink behaviour. */
3718 GST_ERROR ("Error converting frame: %s", err->message);
3719 gst_sample_unref (result);
3726 is_raw_structure (GstStructure * s)
3730 name = gst_structure_get_name (s);
3732 if (g_str_equal (name, "video/x-raw") || g_str_equal (name, "audio/x-raw"))
3738 is_raw_pad (GstPad * pad)
3740 GstPad *peer = gst_pad_get_peer (pad);
3742 gboolean raw = TRUE;
3747 caps = gst_pad_get_current_caps (peer);
3751 caps = gst_pad_query_caps (peer, NULL);
3753 n = gst_caps_get_size (caps);
3754 for (i = 0; i < n; i++) {
3755 gboolean r = is_raw_structure (gst_caps_get_structure (caps, i));
3759 } else if (raw != r) {
3760 GST_ERROR_OBJECT (pad,
3761 "Caps contains raw and non-raw structures: %" GST_PTR_FORMAT, caps);
3767 raw = is_raw_structure (gst_caps_get_structure (caps, 0));
3769 gst_caps_unref (caps);
3770 gst_object_unref (peer);
3775 static GstPadProbeReturn
3776 sinkpad_blocked_cb (GstPad * blockedpad, GstPadProbeInfo * info,
3777 gpointer user_data);
3780 video_set_blocked (GstPlaySink * playsink, gboolean blocked)
3782 if (playsink->video_pad) {
3784 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3785 (playsink->video_pad)));
3786 if (blocked && playsink->video_block_id == 0) {
3787 playsink->video_block_id =
3788 gst_pad_add_probe (opad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
3789 sinkpad_blocked_cb, playsink, NULL);
3790 } else if (!blocked && playsink->video_block_id) {
3791 gst_pad_remove_probe (opad, playsink->video_block_id);
3792 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_VIDEO_RAW);
3793 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_VIDEO);
3794 playsink->video_block_id = 0;
3795 playsink->video_pad_blocked = FALSE;
3797 gst_object_unref (opad);
3802 audio_set_blocked (GstPlaySink * playsink, gboolean blocked)
3804 if (playsink->audio_pad) {
3806 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3807 (playsink->audio_pad)));
3808 if (blocked && playsink->audio_block_id == 0) {
3809 playsink->audio_block_id =
3810 gst_pad_add_probe (opad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
3811 sinkpad_blocked_cb, playsink, NULL);
3812 } else if (!blocked && playsink->audio_block_id) {
3813 gst_pad_remove_probe (opad, playsink->audio_block_id);
3814 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_AUDIO_RAW);
3815 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_AUDIO);
3816 playsink->audio_block_id = 0;
3817 playsink->audio_pad_blocked = FALSE;
3819 gst_object_unref (opad);
3824 text_set_blocked (GstPlaySink * playsink, gboolean blocked)
3826 if (playsink->text_pad) {
3828 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD
3829 (playsink->text_pad)));
3830 if (blocked && playsink->text_block_id == 0) {
3831 playsink->text_block_id =
3832 gst_pad_add_probe (opad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
3833 sinkpad_blocked_cb, playsink, NULL);
3834 } else if (!blocked && playsink->text_block_id) {
3835 gst_pad_remove_probe (opad, playsink->text_block_id);
3836 PENDING_FLAG_UNSET (playsink, GST_PLAY_SINK_TYPE_TEXT);
3837 playsink->text_block_id = 0;
3838 playsink->text_pad_blocked = FALSE;
3840 gst_object_unref (opad);
3845 gst_play_sink_reconfigure (GstPlaySink * playsink)
3847 GST_LOG_OBJECT (playsink, "Triggering reconfiguration");
3849 GST_PLAY_SINK_LOCK (playsink);
3850 video_set_blocked (playsink, TRUE);
3851 audio_set_blocked (playsink, TRUE);
3852 text_set_blocked (playsink, TRUE);
3853 GST_PLAY_SINK_UNLOCK (playsink);
3858 static GstPadProbeReturn
3859 sinkpad_blocked_cb (GstPad * blockedpad, GstPadProbeInfo * info,
3862 GstPlaySink *playsink = (GstPlaySink *) user_data;
3865 GST_PLAY_SINK_LOCK (playsink);
3867 pad = GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (blockedpad)));
3868 if (pad == playsink->video_pad) {
3869 playsink->video_pad_blocked = TRUE;
3870 GST_DEBUG_OBJECT (pad, "Video pad blocked");
3871 } else if (pad == playsink->audio_pad) {
3872 playsink->audio_pad_blocked = TRUE;
3873 GST_DEBUG_OBJECT (pad, "Audio pad blocked");
3874 } else if (pad == playsink->text_pad) {
3875 playsink->text_pad_blocked = TRUE;
3876 GST_DEBUG_OBJECT (pad, "Text pad blocked");
3879 /* We reconfigure when for ALL streams:
3880 * * there isn't a pad
3881 * * OR the pad is blocked
3882 * * OR there are no pending blocks on that pad
3885 if ((!playsink->video_pad || playsink->video_pad_blocked
3886 || !PENDING_VIDEO_BLOCK (playsink)) && (!playsink->audio_pad
3887 || playsink->audio_pad_blocked || !PENDING_AUDIO_BLOCK (playsink))
3888 && (!playsink->text_pad || playsink->text_pad_blocked
3889 || !PENDING_TEXT_BLOCK (playsink))) {
3890 GST_DEBUG_OBJECT (playsink, "All pads blocked -- reconfiguring");
3892 if (playsink->video_pad) {
3893 playsink->video_pad_raw = is_raw_pad (playsink->video_pad);
3894 GST_DEBUG_OBJECT (playsink, "Video pad is raw: %d",
3895 playsink->video_pad_raw);
3898 if (playsink->audio_pad) {
3899 playsink->audio_pad_raw = is_raw_pad (playsink->audio_pad);
3900 GST_DEBUG_OBJECT (playsink, "Audio pad is raw: %d",
3901 playsink->audio_pad_raw);
3904 gst_play_sink_do_reconfigure (playsink);
3906 video_set_blocked (playsink, FALSE);
3907 audio_set_blocked (playsink, FALSE);
3908 text_set_blocked (playsink, FALSE);
3911 gst_object_unref (pad);
3913 GST_PLAY_SINK_UNLOCK (playsink);
3915 return GST_PAD_PROBE_OK;
3919 caps_notify_cb (GstPad * pad, GParamSpec * unused, GstPlaySink * playsink)
3921 gboolean reconfigure = FALSE;
3925 g_object_get (pad, "caps", &caps, NULL);
3929 if (pad == playsink->audio_pad) {
3930 raw = is_raw_pad (pad);
3931 reconfigure = (! !playsink->audio_pad_raw != ! !raw)
3932 && playsink->audiochain;
3933 GST_DEBUG_OBJECT (pad,
3934 "Audio caps changed: raw %d reconfigure %d caps %" GST_PTR_FORMAT, raw,
3936 } else if (pad == playsink->video_pad) {
3937 raw = is_raw_pad (pad);
3938 reconfigure = (! !playsink->video_pad_raw != ! !raw)
3939 && playsink->videochain;
3940 GST_DEBUG_OBJECT (pad,
3941 "Video caps changed: raw %d reconfigure %d caps %" GST_PTR_FORMAT, raw,
3945 gst_caps_unref (caps);
3948 gst_play_sink_reconfigure (playsink);
3952 gst_play_sink_refresh_pad (GstPlaySink * playsink, GstPad * pad,
3953 GstPlaySinkType type)
3955 gulong *block_id = NULL;
3957 GST_DEBUG_OBJECT (playsink, "refresh pad %" GST_PTR_FORMAT, pad);
3959 GST_PLAY_SINK_LOCK (playsink);
3960 if (pad == playsink->video_pad) {
3961 if (type != GST_PLAY_SINK_TYPE_VIDEO_RAW &&
3962 type != GST_PLAY_SINK_TYPE_VIDEO)
3964 block_id = &playsink->video_block_id;
3965 } else if (pad == playsink->audio_pad) {
3966 if (type != GST_PLAY_SINK_TYPE_AUDIO_RAW &&
3967 type != GST_PLAY_SINK_TYPE_AUDIO)
3969 block_id = &playsink->audio_block_id;
3970 } else if (pad == playsink->text_pad) {
3971 if (type != GST_PLAY_SINK_TYPE_TEXT)
3973 block_id = &playsink->text_block_id;
3976 if (type != GST_PLAY_SINK_TYPE_FLUSHING && (block_id && *block_id == 0)) {
3978 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (pad)));
3981 gst_pad_add_probe (blockpad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
3982 sinkpad_blocked_cb, playsink, NULL);
3983 PENDING_FLAG_SET (playsink, type);
3984 gst_object_unref (blockpad);
3986 GST_PLAY_SINK_UNLOCK (playsink);
3993 GST_WARNING_OBJECT (playsink, "wrong type %u for pad %" GST_PTR_FORMAT,
3995 GST_PLAY_SINK_UNLOCK (playsink);
4001 * gst_play_sink_request_pad
4002 * @playsink: a #GstPlaySink
4003 * @type: a #GstPlaySinkType
4005 * Create or return a pad of @type.
4007 * Returns: a #GstPad of @type or %NULL when the pad could not be created.
4010 gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
4013 gboolean created = FALSE;
4014 gboolean activate = TRUE;
4015 const gchar *pad_name = NULL;
4016 gulong *block_id = NULL;
4018 GST_DEBUG_OBJECT (playsink, "request pad type %d", type);
4020 GST_PLAY_SINK_LOCK (playsink);
4022 case GST_PLAY_SINK_TYPE_AUDIO_RAW:
4023 case GST_PLAY_SINK_TYPE_AUDIO:
4024 pad_name = "audio_sink";
4025 if (!playsink->audio_tee) {
4026 GST_LOG_OBJECT (playsink, "creating tee");
4027 /* create tee when needed. This element will feed the audio sink chain
4028 * and the vis chain. */
4029 playsink->audio_tee = gst_element_factory_make ("tee", "audiotee");
4030 if (playsink->audio_tee == NULL) {
4031 post_missing_element_message (playsink, "tee");
4032 GST_ELEMENT_ERROR (playsink, CORE, MISSING_PLUGIN,
4033 (_("Missing element '%s' - check your GStreamer installation."),
4038 playsink->audio_tee_sink =
4039 gst_element_get_static_pad (playsink->audio_tee, "sink");
4040 gst_bin_add (GST_BIN_CAST (playsink), playsink->audio_tee);
4041 gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
4044 gst_element_set_state (playsink->audio_tee, GST_STATE_PAUSED);
4046 if (!playsink->audio_pad) {
4047 GST_LOG_OBJECT (playsink, "ghosting tee sinkpad");
4048 playsink->audio_pad =
4049 gst_ghost_pad_new (pad_name, playsink->audio_tee_sink);
4050 g_signal_connect (G_OBJECT (playsink->audio_pad), "notify::caps",
4051 G_CALLBACK (caps_notify_cb), playsink);
4054 playsink->audio_pad_raw = FALSE;
4055 res = playsink->audio_pad;
4056 block_id = &playsink->audio_block_id;
4058 case GST_PLAY_SINK_TYPE_VIDEO_RAW:
4059 case GST_PLAY_SINK_TYPE_VIDEO:
4060 pad_name = "video_sink";
4061 if (!playsink->video_pad) {
4062 GST_LOG_OBJECT (playsink, "ghosting videosink");
4063 playsink->video_pad =
4064 gst_ghost_pad_new_no_target (pad_name, GST_PAD_SINK);
4065 g_signal_connect (G_OBJECT (playsink->video_pad), "notify::caps",
4066 G_CALLBACK (caps_notify_cb), playsink);
4069 playsink->video_pad_raw = FALSE;
4070 res = playsink->video_pad;
4071 block_id = &playsink->video_block_id;
4073 case GST_PLAY_SINK_TYPE_TEXT:
4074 GST_LOG_OBJECT (playsink, "ghosting text");
4075 if (!playsink->text_pad) {
4076 playsink->text_pad =
4077 gst_ghost_pad_new_no_target ("text_sink", GST_PAD_SINK);
4080 res = playsink->text_pad;
4081 block_id = &playsink->text_block_id;
4083 case GST_PLAY_SINK_TYPE_FLUSHING:
4087 /* we need a unique padname for the flushing pad. */
4088 padname = g_strdup_printf ("flushing_%u", playsink->count);
4089 res = gst_ghost_pad_new_no_target (padname, GST_PAD_SINK);
4100 GST_PLAY_SINK_UNLOCK (playsink);
4102 if (created && res) {
4103 /* we have to add the pad when it's active or we get an error when the
4104 * element is 'running' */
4105 gst_pad_set_active (res, TRUE);
4106 gst_element_add_pad (GST_ELEMENT_CAST (playsink), res);
4107 if (block_id && *block_id == 0) {
4109 GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (res)));
4112 gst_pad_add_probe (blockpad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
4113 sinkpad_blocked_cb, playsink, NULL);
4114 PENDING_FLAG_SET (playsink, type);
4115 gst_object_unref (blockpad);
4118 gst_pad_set_active (res, activate);
4126 gst_play_sink_request_new_pad (GstElement * element, GstPadTemplate * templ,
4127 const gchar * name, const GstCaps * caps)
4131 GstPlaySinkType type;
4132 const gchar *tplname;
4134 g_return_val_if_fail (templ != NULL, NULL);
4136 GST_DEBUG_OBJECT (element, "name:%s", name);
4138 psink = GST_PLAY_SINK (element);
4139 tplname = GST_PAD_TEMPLATE_NAME_TEMPLATE (templ);
4141 /* Figure out the GstPlaySinkType based on the template */
4142 if (!strcmp (tplname, "audio_sink"))
4143 type = GST_PLAY_SINK_TYPE_AUDIO;
4144 else if (!strcmp (tplname, "audio_raw_sink"))
4145 type = GST_PLAY_SINK_TYPE_AUDIO_RAW;
4146 else if (!strcmp (tplname, "video_sink"))
4147 type = GST_PLAY_SINK_TYPE_VIDEO;
4148 else if (!strcmp (tplname, "video_raw_sink"))
4149 type = GST_PLAY_SINK_TYPE_VIDEO_RAW;
4150 else if (!strcmp (tplname, "text_sink"))
4151 type = GST_PLAY_SINK_TYPE_TEXT;
4153 goto unknown_template;
4155 pad = gst_play_sink_request_pad (psink, type);
4159 GST_WARNING_OBJECT (element, "Unknown pad template");
4164 gst_play_sink_release_pad (GstPlaySink * playsink, GstPad * pad)
4166 GstPad **res = NULL;
4167 gboolean untarget = TRUE;
4169 GST_DEBUG_OBJECT (playsink, "release pad %" GST_PTR_FORMAT, pad);
4171 GST_PLAY_SINK_LOCK (playsink);
4172 if (pad == playsink->video_pad) {
4173 res = &playsink->video_pad;
4174 g_signal_handlers_disconnect_by_func (playsink->video_pad, caps_notify_cb,
4176 video_set_blocked (playsink, FALSE);
4177 } else if (pad == playsink->audio_pad) {
4178 res = &playsink->audio_pad;
4179 g_signal_handlers_disconnect_by_func (playsink->audio_pad, caps_notify_cb,
4181 audio_set_blocked (playsink, FALSE);
4182 } else if (pad == playsink->text_pad) {
4183 res = &playsink->text_pad;
4184 text_set_blocked (playsink, FALSE);
4186 /* try to release the given pad anyway, these could be the FLUSHING pads. */
4190 GST_PLAY_SINK_UNLOCK (playsink);
4193 GST_DEBUG_OBJECT (playsink, "deactivate pad %" GST_PTR_FORMAT, *res);
4194 gst_pad_set_active (*res, FALSE);
4196 GST_DEBUG_OBJECT (playsink, "untargeting pad %" GST_PTR_FORMAT, *res);
4197 gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (*res), NULL);
4199 GST_DEBUG_OBJECT (playsink, "remove pad %" GST_PTR_FORMAT, *res);
4200 gst_element_remove_pad (GST_ELEMENT_CAST (playsink), *res);
4206 gst_play_sink_release_request_pad (GstElement * element, GstPad * pad)
4208 GstPlaySink *psink = GST_PLAY_SINK (element);
4210 gst_play_sink_release_pad (psink, pad);
4214 gst_play_sink_handle_message (GstBin * bin, GstMessage * message)
4216 GstPlaySink *playsink;
4218 playsink = GST_PLAY_SINK_CAST (bin);
4220 switch (GST_MESSAGE_TYPE (message)) {
4221 case GST_MESSAGE_STEP_DONE:
4226 gboolean flush, intermediate, eos;
4229 GST_INFO_OBJECT (playsink, "Handling step-done message");
4230 gst_message_parse_step_done (message, &format, &amount, &rate, &flush,
4231 &intermediate, &duration, &eos);
4233 if (format == GST_FORMAT_BUFFERS) {
4234 /* for the buffer format, we align the other streams */
4235 if (playsink->audiochain) {
4239 gst_event_new_step (GST_FORMAT_TIME, duration, rate, flush,
4242 if (!gst_element_send_event (playsink->audiochain->chain.bin, event)) {
4243 GST_DEBUG_OBJECT (playsink, "Event failed when sent to audio sink");
4247 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (bin, message);
4250 case GST_MESSAGE_ELEMENT:{
4251 if (gst_is_video_overlay_prepare_window_handle_message (message)) {
4252 GstVideoOverlay *overlay;
4254 GST_OBJECT_LOCK (playsink);
4255 if (playsink->overlay_element
4256 && GST_OBJECT_CAST (playsink->overlay_element) !=
4257 GST_MESSAGE_SRC (message)) {
4258 gst_object_unref (playsink->overlay_element);
4259 playsink->overlay_element = NULL;
4262 if (!playsink->overlay_element)
4263 playsink->overlay_element =
4264 GST_VIDEO_OVERLAY (gst_object_ref (GST_MESSAGE_SRC (message)));
4266 GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
4267 GST_OBJECT_UNLOCK (playsink);
4269 GST_DEBUG_OBJECT (playsink, "Got prepare-xwindow-id message");
4271 if (playsink->overlay_handle_set)
4272 gst_video_overlay_set_window_handle (playsink->overlay_element,
4273 playsink->overlay_handle);
4274 if (playsink->overlay_handle_events_set)
4275 gst_video_overlay_handle_events (playsink->overlay_element,
4276 playsink->overlay_handle_events);
4277 if (playsink->overlay_render_rectangle_set)
4278 gst_video_overlay_set_render_rectangle (playsink->overlay_element,
4279 playsink->overlay_x, playsink->overlay_y,
4280 playsink->overlay_width, playsink->overlay_height);
4282 gst_object_unref (overlay);
4283 gst_message_unref (message);
4284 gst_video_overlay_prepare_window_handle (GST_VIDEO_OVERLAY (playsink));
4286 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (bin,
4292 GST_BIN_CLASS (gst_play_sink_parent_class)->handle_message (bin, message);
4297 /* Send an event to our sinks until one of them works; don't then send to the
4298 * remaining sinks (unlike GstBin)
4299 * Special case: If a text sink is set we need to send the event
4300 * to them in case it's source is different from the a/v stream's source.
4303 gst_play_sink_send_event_to_sink (GstPlaySink * playsink, GstEvent * event)
4305 gboolean res = TRUE;
4306 if (playsink->send_event_mode == MODE_FIRST) {
4307 if (playsink->textchain && playsink->textchain->sink) {
4308 gst_event_ref (event);
4310 gst_element_send_event (playsink->textchain->chain.bin, event))) {
4311 GST_DEBUG_OBJECT (playsink, "Sent event successfully to text sink");
4313 GST_DEBUG_OBJECT (playsink, "Event failed when sent to text sink");
4317 if (playsink->videochain) {
4318 gst_event_ref (event);
4320 gst_element_send_event (playsink->videochain->chain.bin,
4322 GST_DEBUG_OBJECT (playsink, "Sent event successfully to video sink");
4325 GST_DEBUG_OBJECT (playsink, "Event failed when sent to video sink");
4327 if (playsink->audiochain) {
4328 gst_event_ref (event);
4330 gst_element_send_event (playsink->audiochain->chain.bin,
4332 GST_DEBUG_OBJECT (playsink, "Sent event successfully to audio sink");
4335 GST_DEBUG_OBJECT (playsink, "Event failed when sent to audio sink");
4339 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->send_event
4340 (GST_ELEMENT_CAST (playsink), event);
4344 gst_event_unref (event);
4348 /* We only want to send the event to a single sink (overriding GstBin's
4349 * behaviour), but we want to keep GstPipeline's behaviour - wrapping seek
4350 * events appropriately. So, this is a messy duplication of code. */
4352 gst_play_sink_send_event (GstElement * element, GstEvent * event)
4354 gboolean res = FALSE;
4355 GstEventType event_type = GST_EVENT_TYPE (event);
4356 GstPlaySink *playsink;
4357 playsink = GST_PLAY_SINK_CAST (element);
4358 switch (event_type) {
4359 case GST_EVENT_SEEK:
4360 GST_DEBUG_OBJECT (element, "Sending event to a sink");
4361 res = gst_play_sink_send_event_to_sink (playsink, event);
4363 case GST_EVENT_STEP:
4368 gboolean flush, intermediate;
4369 gst_event_parse_step (event, &format, &amount, &rate, &flush,
4371 if (format == GST_FORMAT_BUFFERS) {
4372 /* for buffers, we will try to step video frames, for other formats we
4373 * send the step to all sinks */
4374 res = gst_play_sink_send_event_to_sink (playsink, event);
4377 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->send_event (element,
4384 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->send_event (element,
4391 static GstStateChangeReturn
4392 gst_play_sink_change_state (GstElement * element, GstStateChange transition)
4394 GstStateChangeReturn ret;
4395 GstStateChangeReturn bret;
4396 GstPlaySink *playsink;
4397 playsink = GST_PLAY_SINK (element);
4398 switch (transition) {
4399 case GST_STATE_CHANGE_READY_TO_PAUSED:
4400 gst_segment_init (&playsink->text_segment, GST_FORMAT_UNDEFINED);
4402 playsink->need_async_start = TRUE;
4403 /* we want to go async to PAUSED until we managed to configure and add the
4405 do_async_start (playsink);
4406 ret = GST_STATE_CHANGE_ASYNC;
4408 /* block all pads here */
4409 if (!gst_play_sink_reconfigure (playsink))
4410 ret = GST_STATE_CHANGE_FAILURE;
4412 case GST_STATE_CHANGE_PAUSED_TO_READY:
4413 /* unblock all pads here */
4414 GST_PLAY_SINK_LOCK (playsink);
4415 video_set_blocked (playsink, FALSE);
4416 audio_set_blocked (playsink, FALSE);
4417 text_set_blocked (playsink, FALSE);
4418 GST_PLAY_SINK_UNLOCK (playsink);
4420 case GST_STATE_CHANGE_READY_TO_NULL:
4421 if (playsink->audiochain && playsink->audiochain->sink_volume) {
4422 /* remove our links to the mute and volume elements when they were
4423 * provided by a sink */
4424 disconnect_chain (playsink->audiochain, playsink);
4425 playsink->audiochain->volume = NULL;
4426 playsink->audiochain->mute = NULL;
4429 if (playsink->audiochain && playsink->audiochain->ts_offset) {
4430 gst_object_unref (playsink->audiochain->ts_offset);
4431 playsink->audiochain->ts_offset = NULL;
4434 if (playsink->videochain && playsink->videochain->ts_offset) {
4435 gst_object_unref (playsink->videochain->ts_offset);
4436 playsink->videochain->ts_offset = NULL;
4439 GST_OBJECT_LOCK (playsink);
4440 if (playsink->overlay_element)
4441 gst_object_unref (playsink->overlay_element);
4442 playsink->overlay_element = NULL;
4444 if (playsink->colorbalance_element) {
4445 g_signal_handlers_disconnect_by_func (playsink->colorbalance_element,
4446 G_CALLBACK (colorbalance_value_changed_cb), playsink);
4447 gst_object_unref (playsink->colorbalance_element);
4449 playsink->colorbalance_element = NULL;
4450 GST_OBJECT_UNLOCK (playsink);
4452 ret = GST_STATE_CHANGE_SUCCESS;
4455 /* all other state changes return SUCCESS by default, this value can be
4456 * overridden by the result of the children */
4457 ret = GST_STATE_CHANGE_SUCCESS;
4461 /* do the state change of the children */
4463 GST_ELEMENT_CLASS (gst_play_sink_parent_class)->change_state (element,
4465 /* now look at the result of our children and adjust the return value */
4467 case GST_STATE_CHANGE_FAILURE:
4468 /* failure, we stop */
4469 goto activate_failed;
4470 case GST_STATE_CHANGE_NO_PREROLL:
4471 /* some child returned NO_PREROLL. This is strange but we never know. We
4472 * commit our async state change (if any) and return the NO_PREROLL */
4473 do_async_done (playsink);
4476 case GST_STATE_CHANGE_ASYNC:
4477 /* some child was async, return this */
4481 /* return our previously configured return value */
4485 switch (transition) {
4486 case GST_STATE_CHANGE_READY_TO_PAUSED:
4488 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
4489 /* FIXME Release audio device when we implement that */
4490 playsink->need_async_start = TRUE;
4492 case GST_STATE_CHANGE_PAUSED_TO_READY:{
4493 if (playsink->video_sinkpad_stream_synchronizer) {
4494 gst_element_release_request_pad (GST_ELEMENT_CAST
4495 (playsink->stream_synchronizer),
4496 playsink->video_sinkpad_stream_synchronizer);
4497 gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
4498 playsink->video_sinkpad_stream_synchronizer = NULL;
4499 gst_object_unref (playsink->video_srcpad_stream_synchronizer);
4500 playsink->video_srcpad_stream_synchronizer = NULL;
4502 if (playsink->audio_sinkpad_stream_synchronizer) {
4503 gst_element_release_request_pad (GST_ELEMENT_CAST
4504 (playsink->stream_synchronizer),
4505 playsink->audio_sinkpad_stream_synchronizer);
4506 gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
4507 playsink->audio_sinkpad_stream_synchronizer = NULL;
4508 gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
4509 playsink->audio_srcpad_stream_synchronizer = NULL;
4511 if (playsink->text_sinkpad_stream_synchronizer) {
4512 gst_element_release_request_pad (GST_ELEMENT_CAST
4513 (playsink->stream_synchronizer),
4514 playsink->text_sinkpad_stream_synchronizer);
4515 gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
4516 playsink->text_sinkpad_stream_synchronizer = NULL;
4517 gst_object_unref (playsink->text_srcpad_stream_synchronizer);
4518 playsink->text_srcpad_stream_synchronizer = NULL;
4522 case GST_STATE_CHANGE_READY_TO_NULL:
4523 /* remove sinks we added */
4524 if (playsink->videodeinterlacechain) {
4525 activate_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain),
4527 add_chain (GST_PLAY_CHAIN (playsink->videodeinterlacechain), FALSE);
4529 if (playsink->videochain) {
4530 activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
4531 add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
4533 if (playsink->audiochain) {
4534 activate_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
4535 add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
4537 if (playsink->vischain) {
4538 activate_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
4539 add_chain (GST_PLAY_CHAIN (playsink->vischain), FALSE);
4541 if (playsink->textchain) {
4542 activate_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
4543 add_chain (GST_PLAY_CHAIN (playsink->textchain), FALSE);
4545 do_async_done (playsink);
4546 /* when going to READY, keep elements around as long as possible,
4547 * so they may be re-used faster next time/url around.
4548 * when really going to NULL, clean up everything completely. */
4549 if (transition == GST_STATE_CHANGE_READY_TO_NULL) {
4551 /* Unparent the sinks to allow reuse */
4552 if (playsink->videochain && playsink->videochain->sink)
4553 gst_bin_remove (GST_BIN_CAST (playsink->videochain->chain.bin),
4554 playsink->videochain->sink);
4555 if (playsink->audiochain && playsink->audiochain->sink)
4556 gst_bin_remove (GST_BIN_CAST (playsink->audiochain->chain.bin),
4557 playsink->audiochain->sink);
4558 if (playsink->textchain && playsink->textchain->sink)
4559 gst_bin_remove (GST_BIN_CAST (playsink->textchain->chain.bin),
4560 playsink->textchain->sink);
4561 if (playsink->audio_sink != NULL)
4562 gst_element_set_state (playsink->audio_sink, GST_STATE_NULL);
4563 if (playsink->video_sink != NULL)
4564 gst_element_set_state (playsink->video_sink, GST_STATE_NULL);
4565 if (playsink->visualisation != NULL)
4566 gst_element_set_state (playsink->visualisation, GST_STATE_NULL);
4567 if (playsink->text_sink != NULL)
4568 gst_element_set_state (playsink->text_sink, GST_STATE_NULL);
4569 free_chain ((GstPlayChain *) playsink->videodeinterlacechain);
4570 playsink->videodeinterlacechain = NULL;
4571 free_chain ((GstPlayChain *) playsink->videochain);
4572 playsink->videochain = NULL;
4573 free_chain ((GstPlayChain *) playsink->audiochain);
4574 playsink->audiochain = NULL;
4575 free_chain ((GstPlayChain *) playsink->vischain);
4576 playsink->vischain = NULL;
4577 free_chain ((GstPlayChain *) playsink->textchain);
4578 playsink->textchain = NULL;
4588 GST_DEBUG_OBJECT (element,
4589 "element failed to change states -- activation problem?");
4590 return GST_STATE_CHANGE_FAILURE;
4595 gst_play_sink_set_property (GObject * object, guint prop_id,
4596 const GValue * value, GParamSpec * spec)
4598 GstPlaySink *playsink = GST_PLAY_SINK (object);
4601 gst_play_sink_set_flags (playsink, g_value_get_flags (value));
4604 gst_play_sink_set_volume (playsink, g_value_get_double (value));
4607 gst_play_sink_set_mute (playsink, g_value_get_boolean (value));
4609 case PROP_FONT_DESC:
4610 gst_play_sink_set_font_desc (playsink, g_value_get_string (value));
4612 case PROP_SUBTITLE_ENCODING:
4613 gst_play_sink_set_subtitle_encoding (playsink,
4614 g_value_get_string (value));
4616 case PROP_VIS_PLUGIN:
4617 gst_play_sink_set_vis_plugin (playsink, g_value_get_object (value));
4619 case PROP_AV_OFFSET:
4620 gst_play_sink_set_av_offset (playsink, g_value_get_int64 (value));
4622 case PROP_VIDEO_SINK:
4623 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_VIDEO,
4624 g_value_get_object (value));
4626 case PROP_AUDIO_SINK:
4627 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_AUDIO,
4628 g_value_get_object (value));
4630 case PROP_TEXT_SINK:
4631 gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_TEXT,
4632 g_value_get_object (value));
4634 case PROP_SEND_EVENT_MODE:
4635 playsink->send_event_mode = g_value_get_enum (value);
4637 case PROP_FORCE_ASPECT_RATIO:{
4638 GstPlayVideoChain *chain;
4641 playsink->force_aspect_ratio = g_value_get_boolean (value);
4643 GST_PLAY_SINK_LOCK (playsink);
4644 if (playsink->videochain) {
4645 chain = (GstPlayVideoChain *) playsink->videochain;
4649 gst_play_sink_find_property_sinks (playsink, chain->sink,
4650 "force-aspect-ratio", G_TYPE_BOOLEAN);
4653 g_object_set (elem, "force-aspect-ratio",
4654 playsink->force_aspect_ratio, NULL);
4657 GST_PLAY_SINK_UNLOCK (playsink);
4661 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
4667 gst_play_sink_get_property (GObject * object, guint prop_id,
4668 GValue * value, GParamSpec * spec)
4670 GstPlaySink *playsink = GST_PLAY_SINK (object);
4673 g_value_set_flags (value, gst_play_sink_get_flags (playsink));
4676 g_value_set_double (value, gst_play_sink_get_volume (playsink));
4679 g_value_set_boolean (value, gst_play_sink_get_mute (playsink));
4681 case PROP_FONT_DESC:
4682 g_value_take_string (value, gst_play_sink_get_font_desc (playsink));
4684 case PROP_SUBTITLE_ENCODING:
4685 g_value_take_string (value,
4686 gst_play_sink_get_subtitle_encoding (playsink));
4688 case PROP_VIS_PLUGIN:
4689 g_value_take_object (value, gst_play_sink_get_vis_plugin (playsink));
4692 gst_value_take_sample (value, gst_play_sink_get_last_sample (playsink));
4694 case PROP_AV_OFFSET:
4695 g_value_set_int64 (value, gst_play_sink_get_av_offset (playsink));
4697 case PROP_VIDEO_SINK:
4698 g_value_take_object (value, gst_play_sink_get_sink (playsink,
4699 GST_PLAY_SINK_TYPE_VIDEO));
4701 case PROP_AUDIO_SINK:
4702 g_value_take_object (value, gst_play_sink_get_sink (playsink,
4703 GST_PLAY_SINK_TYPE_AUDIO));
4705 case PROP_TEXT_SINK:
4706 g_value_take_object (value, gst_play_sink_get_sink (playsink,
4707 GST_PLAY_SINK_TYPE_TEXT));
4709 case PROP_SEND_EVENT_MODE:
4710 g_value_set_enum (value, playsink->send_event_mode);
4712 case PROP_FORCE_ASPECT_RATIO:
4713 g_value_set_boolean (value, playsink->force_aspect_ratio);
4716 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, spec);
4722 gst_play_sink_overlay_expose (GstVideoOverlay * overlay)
4724 GstPlaySink *playsink = GST_PLAY_SINK (overlay);
4725 GstVideoOverlay *overlay_element;
4727 GST_OBJECT_LOCK (playsink);
4728 if (playsink->overlay_element)
4730 GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
4732 overlay_element = NULL;
4733 GST_OBJECT_UNLOCK (playsink);
4735 if (overlay_element) {
4736 gst_video_overlay_expose (overlay_element);
4737 gst_object_unref (overlay_element);
4742 gst_play_sink_overlay_handle_events (GstVideoOverlay * overlay,
4743 gboolean handle_events)
4745 GstPlaySink *playsink = GST_PLAY_SINK (overlay);
4746 GstVideoOverlay *overlay_element;
4748 GST_OBJECT_LOCK (playsink);
4749 if (playsink->overlay_element)
4751 GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
4753 overlay_element = NULL;
4754 GST_OBJECT_UNLOCK (playsink);
4756 playsink->overlay_handle_events_set = TRUE;
4757 playsink->overlay_handle_events = handle_events;
4759 if (overlay_element) {
4760 gst_video_overlay_handle_events (overlay_element, handle_events);
4761 gst_object_unref (overlay_element);
4766 gst_play_sink_overlay_set_render_rectangle (GstVideoOverlay * overlay, gint x,
4767 gint y, gint width, gint height)
4769 GstPlaySink *playsink = GST_PLAY_SINK (overlay);
4770 GstVideoOverlay *overlay_element;
4772 GST_OBJECT_LOCK (playsink);
4773 if (playsink->overlay_element)
4775 GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
4777 overlay_element = NULL;
4778 GST_OBJECT_UNLOCK (playsink);
4780 playsink->overlay_render_rectangle_set = TRUE;
4781 playsink->overlay_x = x;
4782 playsink->overlay_y = y;
4783 playsink->overlay_width = width;
4784 playsink->overlay_height = height;
4786 if (overlay_element) {
4787 gst_video_overlay_set_render_rectangle (overlay_element, x, y, width,
4789 gst_object_unref (overlay_element);
4794 gst_play_sink_overlay_set_window_handle (GstVideoOverlay * overlay,
4797 GstPlaySink *playsink = GST_PLAY_SINK (overlay);
4798 GstVideoOverlay *overlay_element;
4800 GST_OBJECT_LOCK (playsink);
4801 if (playsink->overlay_element)
4803 GST_VIDEO_OVERLAY (gst_object_ref (playsink->overlay_element));
4805 overlay_element = NULL;
4806 GST_OBJECT_UNLOCK (playsink);
4808 playsink->overlay_handle_set = TRUE;
4809 playsink->overlay_handle = handle;
4811 if (overlay_element) {
4812 gst_video_overlay_set_window_handle (overlay_element, handle);
4813 gst_object_unref (overlay_element);
4818 gst_play_sink_overlay_init (gpointer g_iface, gpointer g_iface_data)
4820 GstVideoOverlayInterface *iface = (GstVideoOverlayInterface *) g_iface;
4821 iface->expose = gst_play_sink_overlay_expose;
4822 iface->handle_events = gst_play_sink_overlay_handle_events;
4823 iface->set_render_rectangle = gst_play_sink_overlay_set_render_rectangle;
4824 iface->set_window_handle = gst_play_sink_overlay_set_window_handle;
4828 gst_play_sink_navigation_send_event (GstNavigation * navigation,
4829 GstStructure * structure)
4831 GstPlaySink *playsink = GST_PLAY_SINK (navigation);
4834 GST_PLAY_SINK_LOCK (playsink);
4835 if (playsink->videochain && playsink->videochain->chain.bin)
4836 bin = GST_BIN (gst_object_ref (playsink->videochain->chain.bin));
4837 GST_PLAY_SINK_UNLOCK (playsink);
4840 GstElement *nav = gst_bin_get_by_interface (bin, GST_TYPE_NAVIGATION);
4843 gst_navigation_send_event (GST_NAVIGATION (nav), structure);
4845 gst_object_unref (nav);
4847 GstEvent *event = gst_event_new_navigation (structure);
4849 gst_element_send_event (GST_ELEMENT (bin), event);
4852 gst_object_unref (bin);
4856 gst_structure_free (structure);
4860 gst_play_sink_navigation_init (gpointer g_iface, gpointer g_iface_data)
4862 GstNavigationInterface *iface = (GstNavigationInterface *) g_iface;
4864 iface->send_event = gst_play_sink_navigation_send_event;
4867 static const GList *
4868 gst_play_sink_colorbalance_list_channels (GstColorBalance * balance)
4870 GstPlaySink *playsink = GST_PLAY_SINK (balance);
4872 return playsink->colorbalance_channels;
4876 gst_play_sink_colorbalance_set_value (GstColorBalance * balance,
4877 GstColorBalanceChannel * proxy, gint value)
4879 GstPlaySink *playsink = GST_PLAY_SINK (balance);
4882 GstColorBalance *balance_element = NULL;
4884 GST_OBJECT_LOCK (playsink);
4885 if (playsink->colorbalance_element)
4887 GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
4888 GST_OBJECT_UNLOCK (playsink);
4890 for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
4891 GstColorBalanceChannel *proxy_tmp = l->data;
4894 if (proxy_tmp != proxy)
4897 playsink->colorbalance_values[i] = value;
4899 if (balance_element) {
4900 GstColorBalanceChannel *channel = NULL;
4901 const GList *channels, *k;
4903 channels = gst_color_balance_list_channels (balance_element);
4904 for (k = channels; k; k = k->next) {
4905 GstColorBalanceChannel *tmp = l->data;
4907 if (g_strrstr (tmp->label, proxy->label)) {
4915 /* Convert to [0, 1] range */
4918 (gdouble) proxy->min_value) / ((gdouble) proxy->max_value -
4919 (gdouble) proxy->min_value);
4920 /* Convert to channel range */
4922 channel->min_value + new_val * ((gdouble) channel->max_value -
4923 (gdouble) channel->min_value);
4925 gst_color_balance_set_value (balance_element, channel,
4926 (gint) (new_val + 0.5));
4928 gst_object_unref (balance_element);
4931 gst_color_balance_value_changed (balance, proxy, value);
4937 gst_play_sink_colorbalance_get_value (GstColorBalance * balance,
4938 GstColorBalanceChannel * proxy)
4940 GstPlaySink *playsink = GST_PLAY_SINK (balance);
4944 for (i = 0, l = playsink->colorbalance_channels; l; l = l->next, i++) {
4945 GstColorBalanceChannel *proxy_tmp = l->data;
4947 if (proxy_tmp != proxy)
4950 return playsink->colorbalance_values[i];
4953 g_return_val_if_reached (0);
4956 static GstColorBalanceType
4957 gst_play_sink_colorbalance_get_balance_type (GstColorBalance * balance)
4959 GstPlaySink *playsink = GST_PLAY_SINK (balance);
4960 GstColorBalance *balance_element = NULL;
4961 GstColorBalanceType t = GST_COLOR_BALANCE_SOFTWARE;
4963 GST_OBJECT_LOCK (playsink);
4964 if (playsink->colorbalance_element)
4966 GST_COLOR_BALANCE (gst_object_ref (playsink->colorbalance_element));
4967 GST_OBJECT_UNLOCK (playsink);
4969 if (balance_element) {
4970 t = gst_color_balance_get_balance_type (balance_element);
4971 gst_object_unref (balance_element);
4978 gst_play_sink_colorbalance_init (gpointer g_iface, gpointer g_iface_data)
4980 GstColorBalanceInterface *iface = (GstColorBalanceInterface *) g_iface;
4982 iface->list_channels = gst_play_sink_colorbalance_list_channels;
4983 iface->set_value = gst_play_sink_colorbalance_set_value;
4984 iface->get_value = gst_play_sink_colorbalance_get_value;
4985 iface->get_balance_type = gst_play_sink_colorbalance_get_balance_type;
4989 gst_play_sink_plugin_init (GstPlugin * plugin)
4991 GST_DEBUG_CATEGORY_INIT (gst_play_sink_debug, "playsink", 0, "play bin");
4992 return gst_element_register (plugin, "playsink", GST_RANK_NONE,
4993 GST_TYPE_PLAY_SINK);