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Revert "playback: Add video-/audio-filter properties"

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This reverts commit fb8fdedb4f.
This commit is contained in:
Sebastian Dröge 2014-03-16 18:38:25 +01:00
parent fb8fdedb4f
commit 1bda077374
4 changed files with 51 additions and 295 deletions
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5
gst/playback/gstplay-enum.h
View file

@ -57,8 +57,6 @@ GType gst_autoplug_select_result_get_type (void);
* formats.
* @GST_PLAY_FLAG_BUFFERING: enable buffering of the demuxed or parsed data.
* @GST_PLAY_FLAG_DEINTERLACE: deinterlace raw video (if native not forced).
* @GST_PLAY_FLAG_FORCE_FILTERS: force audio/video filters to be applied if
* set.
*
* Extra flags to configure the behaviour of the sinks.
*/
@ -73,8 +71,7 @@ typedef enum {
GST_PLAY_FLAG_DOWNLOAD = (1 << 7),
GST_PLAY_FLAG_BUFFERING = (1 << 8),
GST_PLAY_FLAG_DEINTERLACE = (1 << 9),
GST_PLAY_FLAG_SOFT_COLORBALANCE = (1 << 10),
GST_PLAY_FLAG_FORCE_FILTERS = (1 << 11),
GST_PLAY_FLAG_SOFT_COLORBALANCE = (1 << 10)
} GstPlayFlags;
#define GST_TYPE_PLAY_FLAGS (gst_play_flags_get_type())

28
gst/playback/gstplaybin2.c
View file

@ -565,8 +565,6 @@ enum
PROP_AV_OFFSET,
PROP_RING_BUFFER_MAX_SIZE,
PROP_FORCE_ASPECT_RATIO,
PROP_AUDIO_FILTER,
PROP_VIDEO_FILTER,
PROP_LAST
};
@ -839,14 +837,6 @@ gst_play_bin_class_init (GstPlayBinClass * klass)
"ISO-8859-15 will be assumed.", NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_VIDEO_FILTER,
g_param_spec_object ("video-filter", "Video filter",
"the video filter(s) to apply, if possible",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_AUDIO_FILTER,
g_param_spec_object ("audio-filter", "Audio filter",
"the audio filter(s) to apply, if possible",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_klass, PROP_VIDEO_SINK,
g_param_spec_object ("video-sink", "Video Sink",
"the video output element to use (NULL = default sink)",
@ -2262,14 +2252,6 @@ gst_play_bin_set_property (GObject * object, guint prop_id,
case PROP_SUBTITLE_ENCODING:
gst_play_bin_set_encoding (playbin, g_value_get_string (value));
break;
case PROP_VIDEO_FILTER:
gst_play_sink_set_filter (playbin->playsink, GST_PLAY_SINK_TYPE_VIDEO,
GST_ELEMENT (g_value_get_object (value)));
break;
case PROP_AUDIO_FILTER:
gst_play_sink_set_filter (playbin->playsink, GST_PLAY_SINK_TYPE_AUDIO,
GST_ELEMENT (g_value_get_object (value)));
break;
case PROP_VIDEO_SINK:
gst_play_bin_set_sink (playbin, GST_PLAY_SINK_TYPE_VIDEO, "video",
&playbin->video_sink, g_value_get_object (value));
@ -2487,16 +2469,6 @@ gst_play_bin_get_property (GObject * object, guint prop_id, GValue * value,
gst_play_sink_get_subtitle_encoding (playbin->playsink));
GST_PLAY_BIN_UNLOCK (playbin);
break;
case PROP_VIDEO_FILTER:
g_value_take_object (value,
gst_play_sink_get_filter (playbin->playsink,
GST_PLAY_SINK_TYPE_VIDEO));
break;
case PROP_AUDIO_FILTER:
g_value_take_object (value,
gst_play_sink_get_filter (playbin->playsink,
GST_PLAY_SINK_TYPE_AUDIO));
break;
case PROP_VIDEO_SINK:
g_value_take_object (value,
gst_play_bin_get_current_sink (playbin, &playbin->video_sink,

310
gst/playback/gstplaysink.c
View file

@ -99,7 +99,6 @@ typedef struct
GstPlayChain chain;
GstPad *sinkpad;
GstElement *queue;
GstElement *filter;
GstElement *conv;
GstElement *volume; /* element with the volume property */
gboolean sink_volume; /* if the volume was provided by the sink */
@ -123,7 +122,6 @@ typedef struct
GstPlayChain chain;
GstPad *sinkpad;
GstElement *queue;
GstElement *filter;
GstElement *conv;
GstElement *sink;
gboolean async;
@ -239,8 +237,6 @@ struct _GstPlaySink
/* properties */
GstElement *audio_sink;
GstElement *video_sink;
GstElement *audio_filter;
GstElement *video_filter;
GstElement *visualisation;
GstElement *text_sink;
gdouble volume;
@ -342,8 +338,6 @@ enum
PROP_TEXT_SINK,
PROP_SEND_EVENT_MODE,
PROP_FORCE_ASPECT_RATIO,
PROP_VIDEO_FILTER,
PROP_AUDIO_FILTER,
PROP_LAST
};
@ -516,29 +510,6 @@ gst_play_sink_class_init (GstPlaySinkClass * klass)
G_MININT64, G_MAXINT64, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPlaySink:video-filter:
*
* Set the video filter element/bin to use. Will apply on a best-effort basis
* unless GST_PLAY_FLAG_FORCE_FILTERS is set. playsink must be in
* %GST_STATE_NULL
*/
g_object_class_install_property (gobject_klass, PROP_VIDEO_SINK,
g_param_spec_object ("video-filter", "Video filter",
"the video filter(s) to apply, if possible",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPlaySink:audio-filter:
*
* Set the audio filter element/bin to use. Will apply on a best-effort basis
* unless GST_PLAY_FLAG_FORCE_FILTERS is set. playsink must be in
* %GST_STATE_NULL
*/
g_object_class_install_property (gobject_klass, PROP_AUDIO_FILTER,
g_param_spec_object ("audio-filter", "Audio filter",
"the audio filter(s) to apply, if possible",
GST_TYPE_ELEMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPlaySink:video-sink:
*
@ -749,16 +720,6 @@ gst_play_sink_dispose (GObject * object)
playsink = GST_PLAY_SINK (object);
if (playsink->audio_filter != NULL) {
gst_element_set_state (playsink->audio_filter, GST_STATE_NULL);
gst_object_unref (playsink->audio_filter);
playsink->audio_filter = NULL;
}
if (playsink->video_filter != NULL) {
gst_element_set_state (playsink->video_filter, GST_STATE_NULL);
gst_object_unref (playsink->video_filter);
playsink->video_filter = NULL;
}
if (playsink->audio_sink != NULL) {
gst_element_set_state (playsink->audio_sink, GST_STATE_NULL);
gst_object_unref (playsink->audio_sink);
@ -927,83 +888,6 @@ gst_play_sink_get_sink (GstPlaySink * playsink, GstPlaySinkType type)
return result;
}
void
gst_play_sink_set_filter (GstPlaySink * playsink, GstPlaySinkType type,
GstElement * filter)
{
GstElement **elem = NULL, *old = NULL;
GST_LOG_OBJECT (playsink,
"Setting filter %" GST_PTR_FORMAT " as filter type %d", filter, type);
GST_PLAY_SINK_LOCK (playsink);
switch (type) {
case GST_PLAY_SINK_TYPE_AUDIO:
case GST_PLAY_SINK_TYPE_AUDIO_RAW:
elem = &playsink->audio_filter;
break;
case GST_PLAY_SINK_TYPE_VIDEO:
case GST_PLAY_SINK_TYPE_VIDEO_RAW:
elem = &playsink->video_filter;
break;
default:
break;
}
if (elem) {
old = *elem;
if (filter)
gst_object_ref_sink (filter);
*elem = filter;
}
GST_PLAY_SINK_UNLOCK (playsink);
if (old) {
/* Set the old filter to NULL if it is not used any longer */
if (old != filter && !GST_OBJECT_PARENT (old))
gst_element_set_state (old, GST_STATE_NULL);
gst_object_unref (old);
}
}
GstElement *
gst_play_sink_get_filter (GstPlaySink * playsink, GstPlaySinkType type)
{
GstElement *result = NULL;
GstElement *elem = NULL, *chainp = NULL;
GST_PLAY_SINK_LOCK (playsink);
switch (type) {
case GST_PLAY_SINK_TYPE_AUDIO_RAW:
{
GstPlayAudioChain *chain;
if ((chain = (GstPlayAudioChain *) playsink->audiochain))
chainp = chain->filter;
elem = playsink->audio_filter;
break;
}
case GST_PLAY_SINK_TYPE_VIDEO_RAW:
{
GstPlayVideoChain *chain;
if ((chain = (GstPlayVideoChain *) playsink->videochain))
chainp = chain->filter;
elem = playsink->video_filter;
break;
}
default:
break;
}
if (chainp) {
/* we have an active chain with a filter, get the filter */
result = gst_object_ref (chainp);
}
/* nothing found, return last configured filter */
if (result == NULL && elem)
result = gst_object_ref (elem);
GST_PLAY_SINK_UNLOCK (playsink);
return result;
}
static GstPadProbeReturn
gst_play_sink_vis_blocked (GstPad * tee_pad, GstPadProbeInfo * info,
gpointer user_data)
@ -1687,14 +1571,14 @@ update_colorbalance (GstPlaySink * playsink)
/* make the element (bin) that contains the elements needed to perform
* video display.
*
* +------------------------------------------------------------------------+
* | vbin |
* | +--------+ +-------+ +----------+ +----------+ +---------+ |
* | | filter | | queue | |colorspace| |videoscale| |videosink| |
* | +-sink src-sink src-sink src-sink src-sink | |
* | | +--------+ +-------+ +----------+ +----------+ +---------+ |
* sink-+ |
* +------------------------------------------------------------------------+
* +------------------------------------------------------------+
* | vbin |
* | +-------+ +----------+ +----------+ +---------+ |
* | | queue | |colorspace| |videoscale| |videosink| |
* | +-sink src-sink src-sink src-sink | |
* | | +-------+ +----------+ +----------+ +---------+ |
* sink-+ |
* +------------------------------------------------------------+
*
*/
static GstPlayVideoChain *
@ -1799,28 +1683,6 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
}
}
head = chain->sink;
prev = NULL;
/* add the video filter first, so everything is working with post-filter
* samples */
chain->filter = gst_play_sink_get_filter (playsink,
GST_PLAY_SINK_TYPE_VIDEO_RAW);
if (chain->filter) {
if (!raw) {
if (playsink->flags & GST_PLAY_FLAG_FORCE_FILTERS) {
goto filter_with_nonraw;
} else {
GST_DEBUG_OBJECT (playsink,
"skipping video filter since we're not raw");
}
} else {
GST_DEBUG_OBJECT (playsink, "adding video filter");
gst_bin_add (bin, chain->filter);
head = prev = chain->filter;
}
}
/* decouple decoder from sink, this improves playback quite a lot since the
* decoder can continue while the sink blocks for synchronisation. We don't
* need a lot of buffers as this consumes a lot of memory and we don't want
@ -1831,18 +1693,13 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), ("video rendering might be suboptimal"));
head = chain->sink;
prev = NULL;
} else {
g_object_set (G_OBJECT (chain->queue), "max-size-buffers", 3,
"max-size-bytes", 0, "max-size-time", (gint64) 0, "silent", TRUE, NULL);
gst_bin_add (bin, chain->queue);
if (prev) {
if (!gst_element_link_pads_full (prev, "src", chain->queue, "sink",
GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
goto link_failed;
} else {
head = chain->queue;
}
prev = chain->queue;
head = prev = chain->queue;
}
GST_OBJECT_LOCK (playsink);
@ -1956,21 +1813,13 @@ link_failed:
{
GST_ELEMENT_ERROR (playsink, CORE, PAD,
(NULL), ("Failed to configure the video sink."));
goto cleanup;
/* checking sink made it READY */
gst_element_set_state (chain->sink, GST_STATE_NULL);
/* Remove chain from the bin to allow reuse later */
gst_bin_remove (bin, chain->sink);
free_chain ((GstPlayChain *) chain);
return NULL;
}
filter_with_nonraw:
{
GST_ELEMENT_ERROR (playsink, CORE, NEGOTIATION,
(NULL), ("Cannot apply video-filter on non-raw stream"));
goto cleanup;
}
cleanup:
/* checking sink made it READY */
gst_element_set_state (chain->sink, GST_STATE_NULL);
/* Remove chain from the bin to allow reuse later */
gst_bin_remove (bin, chain->sink);
free_chain ((GstPlayChain *) chain);
return NULL;
}
static gboolean
@ -1982,10 +1831,6 @@ setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
chain = playsink->videochain;
/* if we have a filter, and raw-ness changed, we have to force a rebuild */
if (chain->filter && chain->chain.raw != raw)
return FALSE;
chain->chain.raw = raw;
/* if the chain was active we don't do anything */
@ -2599,14 +2444,14 @@ notify_mute_cb (GObject * object, GParamSpec * pspec, GstPlaySink * playsink)
* We add a tee as the first element so that we can link the visualisation chain
* to it when requested.
*
* +--------------------------------------------------------------+
* | abin |
* | +----------+ +--------+ +---------+ +-----------+ |
* | | filter | | queue | | convbin | | audiosink | |
* | +-sink src-sink src-sink src-sink | |
* | | +----------+ +--------+ +---------+ +-----------+ |
* sink-+ |
* +--------------------------------------------------------------+
* +------------------------------------------------+
* | abin |
* | +---------+ +---------+ +-----------+ |
* | | queue | | convbin | | audiosink | |
* | +-sink src-sink src-sink | |
* | | +---------+ +---------+ +-----------+ |
* sink-+ |
* +------------------------------------------------+
*/
static GstPlayAudioChain *
gen_audio_chain (GstPlaySink * playsink, gboolean raw)
@ -2653,28 +2498,6 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
gst_object_ref_sink (bin);
gst_bin_add (bin, chain->sink);
head = chain->sink;
prev = NULL;
/* add the audio filter first, so everything is working with post-filter
* samples */
chain->filter = gst_play_sink_get_filter (playsink,
GST_PLAY_SINK_TYPE_AUDIO_RAW);
if (chain->filter) {
if (!raw) {
if (playsink->flags & GST_PLAY_FLAG_FORCE_FILTERS) {
goto filter_with_nonraw;
} else {
GST_DEBUG_OBJECT (playsink,
"skipping video filter since we're not raw");
}
} else {
GST_DEBUG_OBJECT (playsink, "adding video filter");
gst_bin_add (bin, chain->filter);
head = prev = chain->filter;
}
}
/* we have to add a queue when we need to decouple for the video sink in
* visualisations and for streamsynchronizer */
GST_DEBUG_OBJECT (playsink, "adding audio queue");
@ -2684,17 +2507,12 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
GST_ELEMENT_WARNING (playsink, CORE, MISSING_PLUGIN,
(_("Missing element '%s' - check your GStreamer installation."),
"queue"), ("audio playback and visualizations might not work"));
head = chain->sink;
prev = NULL;
} else {
g_object_set (chain->queue, "silent", TRUE, NULL);
gst_bin_add (bin, chain->queue);
if (prev) {
if (!gst_element_link_pads_full (prev, "src", chain->queue, "sink",
GST_PAD_LINK_CHECK_TEMPLATE_CAPS))
goto link_failed;
} else {
head = chain->queue;
}
prev = chain->queue;
prev = head = chain->queue;
}
/* find ts-offset element */
@ -2864,21 +2682,13 @@ link_failed:
{
GST_ELEMENT_ERROR (playsink, CORE, PAD,
(NULL), ("Failed to configure the audio sink."));
goto cleanup;
/* checking sink made it READY */
gst_element_set_state (chain->sink, GST_STATE_NULL);
/* Remove chain from the bin to allow reuse later */
gst_bin_remove (bin, chain->sink);
free_chain ((GstPlayChain *) chain);
return NULL;
}
filter_with_nonraw:
{
GST_ELEMENT_ERROR (playsink, CORE, NEGOTIATION,
(NULL), ("Cannot apply video-filter on non-raw stream"));
goto cleanup;
}
cleanup:
/* checking sink made it READY */
gst_element_set_state (chain->sink, GST_STATE_NULL);
/* Remove chain from the bin to allow reuse later */
gst_bin_remove (bin, chain->sink);
free_chain ((GstPlayChain *) chain);
return NULL;
}
static gboolean
@ -2892,10 +2702,6 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
chain = playsink->audiochain;
conv = GST_PLAY_SINK_AUDIO_CONVERT_CAST (chain->conv);
/* if we have a filter, and raw-ness changed, we have to force a rebuild */
if (chain->filter && chain->chain.raw != raw)
return FALSE;
chain->chain.raw = raw;
/* if the chain was active we don't do anything */
@ -3536,8 +3342,8 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
/* unlink the old plugin and unghost the pad */
gst_pad_unlink (playsink->vischain->vispeerpad,
playsink->vischain->vissinkpad);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->vischain->
srcpad), NULL);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->
vischain->srcpad), NULL);
/* set the old plugin to NULL and remove */
gst_element_set_state (playsink->vischain->vis, GST_STATE_NULL);
@ -3559,8 +3365,8 @@ gst_play_sink_do_reconfigure (GstPlaySink * playsink)
/* link pads */
gst_pad_link_full (playsink->vischain->vispeerpad,
playsink->vischain->vissinkpad, GST_PAD_LINK_CHECK_NOTHING);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->vischain->
srcpad), playsink->vischain->vissrcpad);
gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (playsink->
vischain->srcpad), playsink->vischain->vissrcpad);
} else {
srcpad =
gst_element_get_static_pad (playsink->vischain->chain.bin, "src");
@ -4030,8 +3836,8 @@ video_set_blocked (GstPlaySink * playsink, gboolean blocked)
(playsink->video_pad)));
if (blocked && playsink->video_block_id == 0) {
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
playsink->video_block_id =
@ -4057,8 +3863,8 @@ audio_set_blocked (GstPlaySink * playsink, gboolean blocked)
(playsink->audio_pad)));
if (blocked && playsink->audio_block_id == 0) {
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
playsink->audio_block_id =
@ -4066,8 +3872,8 @@ audio_set_blocked (GstPlaySink * playsink, gboolean blocked)
sinkpad_blocked_cb, playsink, NULL);
} else if (!blocked && playsink->audio_block_id) {
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
gst_pad_remove_probe (opad, playsink->audio_block_id);
@ -4089,8 +3895,8 @@ text_set_blocked (GstPlaySink * playsink, gboolean blocked)
(playsink->text_pad)));
if (blocked && playsink->text_block_id == 0) {
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
playsink->text_block_id =
@ -4381,8 +4187,8 @@ gst_play_sink_request_pad (GstPlaySink * playsink, GstPlaySinkType type)
GST_PAD_CAST (gst_proxy_pad_get_internal (GST_PROXY_PAD (res)));
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
*block_id =
@ -4691,8 +4497,8 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
audio_set_blocked (playsink, FALSE);
text_set_blocked (playsink, FALSE);
if (playsink->vis_pad_block_id)
gst_pad_remove_probe (((GstPlayVisChain *) playsink->vischain)->
blockpad, playsink->vis_pad_block_id);
gst_pad_remove_probe (((GstPlayVisChain *) playsink->
vischain)->blockpad, playsink->vis_pad_block_id);
playsink->vis_pad_block_id = 0;
GST_PLAY_SINK_UNLOCK (playsink);
@ -4900,14 +4706,6 @@ gst_play_sink_set_property (GObject * object, guint prop_id,
case PROP_AV_OFFSET:
gst_play_sink_set_av_offset (playsink, g_value_get_int64 (value));
break;
case PROP_VIDEO_FILTER:
gst_play_sink_set_filter (playsink, GST_PLAY_SINK_TYPE_VIDEO,
g_value_get_object (value));
break;
case PROP_AUDIO_FILTER:
gst_play_sink_set_filter (playsink, GST_PLAY_SINK_TYPE_AUDIO,
g_value_get_object (value));
break;
case PROP_VIDEO_SINK:
gst_play_sink_set_sink (playsink, GST_PLAY_SINK_TYPE_VIDEO,
g_value_get_object (value));
@ -4983,14 +4781,6 @@ gst_play_sink_get_property (GObject * object, guint prop_id,
case PROP_AV_OFFSET:
g_value_set_int64 (value, gst_play_sink_get_av_offset (playsink));
break;
case PROP_VIDEO_FILTER:
g_value_take_object (value, gst_play_sink_get_filter (playsink,
GST_PLAY_SINK_TYPE_VIDEO));
break;
case PROP_AUDIO_FILTER:
g_value_take_object (value, gst_play_sink_get_filter (playsink,
GST_PLAY_SINK_TYPE_AUDIO));
break;
case PROP_VIDEO_SINK:
g_value_take_object (value, gst_play_sink_get_sink (playsink,
GST_PLAY_SINK_TYPE_VIDEO));

3
gst/playback/gstplaysink.h
View file

@ -72,9 +72,6 @@ GstPad * gst_play_sink_request_pad (GstPlaySink *playsink, GstPlaySin
void gst_play_sink_release_pad (GstPlaySink *playsink, GstPad *pad);
void gst_play_sink_refresh_pad (GstPlaySink *playsink, GstPad *pad, GstPlaySinkType type);
void gst_play_sink_set_filter (GstPlaySink * playsink, GstPlaySinkType type, GstElement * filter);
GstElement * gst_play_sink_get_filter (GstPlaySink * playsink, GstPlaySinkType type);
void gst_play_sink_set_sink (GstPlaySink * playsink, GstPlaySinkType type, GstElement * sink);
GstElement * gst_play_sink_get_sink (GstPlaySink * playsink, GstPlaySinkType type);