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ffdec: implement accept-caps

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Implement a potentially faster accept-caps function
This commit is contained in:
Wim Taymans 2012-03-12 13:50:46 +01:00
parent bd13c104c2
commit 575cb87091
1 changed files with 42 additions and 0 deletions
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42
ext/ffmpeg/gstffmpegdec.c
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@ -239,6 +239,8 @@ static gboolean gst_ffmpegdec_src_event (GstPad * pad, GstObject * parent,
static gboolean gst_ffmpegdec_sink_event (GstPad * pad, GstObject * parent,
GstEvent * event);
static gboolean gst_ffmpegdec_sink_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static GstFlowReturn gst_ffmpegdec_chain (GstPad * pad, GstObject * parent,
GstBuffer * buf);
@ -430,6 +432,8 @@ gst_ffmpegdec_init (GstFFMpegDec * ffmpegdec)
ffmpegdec->sinkpad = gst_pad_new_from_template (oclass->sinktempl, "sink");
gst_pad_set_event_function (ffmpegdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_ffmpegdec_sink_event));
gst_pad_set_query_function (ffmpegdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_ffmpegdec_sink_query));
gst_pad_set_chain_function (ffmpegdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_ffmpegdec_chain));
gst_element_add_pad (GST_ELEMENT (ffmpegdec), ffmpegdec->sinkpad);
@ -2688,6 +2692,44 @@ invalid_format:
}
}
static gboolean
gst_ffmpegdec_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstFFMpegDec *ffmpegdec;
gboolean ret = FALSE;
ffmpegdec = (GstFFMpegDec *) parent;
GST_DEBUG_OBJECT (ffmpegdec, "Handling %s query",
GST_QUERY_TYPE_NAME (query));
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ACCEPT_CAPS:
{
GstPadTemplate *templ;
ret = FALSE;
if ((templ = GST_PAD_PAD_TEMPLATE (pad))) {
GstCaps *tcaps;
if ((tcaps = GST_PAD_TEMPLATE_CAPS (templ))) {
GstCaps *caps;
gst_query_parse_accept_caps (query, &caps);
gst_query_set_accept_caps_result (query,
gst_caps_is_subset (caps, tcaps));
ret = TRUE;
}
}
break;
}
default:
ret = gst_pad_query_default (pad, parent, query);
break;
}
return ret;
}
static GstFlowReturn
gst_ffmpegdec_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
{