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videodecoder: expose default query handling function

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Subclasses can use it to select what queries they want to handle
and forward the rest to the default handling function.

API: gst_video_decoder_sink_query_default

https://bugzilla.gnome.org/show_bug.cgi?id=753623
This commit is contained in:
Thiago Santos 2015-08-14 08:59:51 -03:00
parent 8a64592481
commit ea9b6a7e3c
3 changed files with 17 additions and 3 deletions
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16
gst-libs/gst/video/gstvideodecoder.c
View file

@ -476,8 +476,6 @@ static GstFlowReturn gst_video_decoder_parse_available (GstVideoDecoder * dec,
gboolean at_eos, gboolean new_buffer); gboolean at_eos, gboolean new_buffer);
static gboolean gst_video_decoder_negotiate_unlocked (GstVideoDecoder * static gboolean gst_video_decoder_negotiate_unlocked (GstVideoDecoder *
decoder); decoder);
static gboolean gst_video_decoder_sink_query_default (GstVideoDecoder * decoder,
GstQuery * query);
static gboolean gst_video_decoder_src_query_default (GstVideoDecoder * decoder, static gboolean gst_video_decoder_src_query_default (GstVideoDecoder * decoder,
GstQuery * query); GstQuery * query);
@ -1805,7 +1803,19 @@ gst_video_decoder_sink_getcaps (GstVideoDecoder * decoder, GstCaps * filter)
return caps; return caps;
} }
static gboolean /**
* gst_video_decoder_sink_query_default:
* @decoder: a #GstVideoDecoder
* @query: (transfer none): a #GstQuery
*
* Calls the default query handler for #GstVideoDecoder. It is useful
* when a subclass only want to handle a particular type of query and
* wants to use the default handler for others.
*
* Returns: a boolean, representing if the query was handled.
* Since: 1.6
*/
gboolean
gst_video_decoder_sink_query_default (GstVideoDecoder * decoder, gst_video_decoder_sink_query_default (GstVideoDecoder * decoder,
GstQuery * query) GstQuery * query)
{ {

3
gst-libs/gst/video/gstvideodecoder.h
View file

@ -424,6 +424,9 @@ GstCaps * gst_video_decoder_proxy_getcaps (GstVideoDecoder * decoder,
GstCaps * caps, GstCaps * caps,
GstCaps * filter); GstCaps * filter);
gboolean gst_video_decoder_sink_query_default (GstVideoDecoder * decoder,
GstQuery * query);
G_END_DECLS G_END_DECLS

1
win32/common/libgstvideo.def
View file

@ -129,6 +129,7 @@ EXPORTS
gst_video_decoder_set_needs_format gst_video_decoder_set_needs_format
gst_video_decoder_set_output_state gst_video_decoder_set_output_state
gst_video_decoder_set_packetized gst_video_decoder_set_packetized
gst_video_decoder_sink_query_default
gst_video_dither_flags_get_type gst_video_dither_flags_get_type
gst_video_dither_free gst_video_dither_free
gst_video_dither_line gst_video_dither_line