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openh264dec: Add support for GstVideoMeta

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This will make operation with various sinks faster for free.
This commit is contained in:
Sebastian Dröge 2014-10-02 14:12:11 +03:00
parent 4475663569
commit 2285cbaa45
1 changed files with 34 additions and 0 deletions
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34
ext/openh264/gstopenh264dec.cpp
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@ -62,6 +62,7 @@ static gboolean gst_openh264dec_reset(GstVideoDecoder *decoder, gboolean hard);
static GstFlowReturn gst_openh264dec_finish(GstVideoDecoder *decoder);
static GstFlowReturn gst_openh264dec_handle_frame(GstVideoDecoder *decoder,
GstVideoCodecFrame *frame);
static gboolean gst_openh264dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query);
enum
{
@ -120,6 +121,7 @@ static void gst_openh264dec_class_init(GstOpenh264DecClass *klass)
video_decoder_class->reset = GST_DEBUG_FUNCPTR(gst_openh264dec_reset);
video_decoder_class->finish = GST_DEBUG_FUNCPTR(gst_openh264dec_finish);
video_decoder_class->handle_frame = GST_DEBUG_FUNCPTR(gst_openh264dec_handle_frame);
video_decoder_class->decide_allocation = GST_DEBUG_FUNCPTR(gst_openh264dec_decide_allocation);
}
static void gst_openh264dec_init(GstOpenh264Dec *openh264dec)
@ -384,3 +386,35 @@ finish:
return GST_FLOW_OK;
}
static gboolean gst_openh264dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstVideoCodecState *state;
GstBufferPool *pool;
guint size, min, max;
GstStructure *config;
if (!GST_VIDEO_DECODER_CLASS (gst_openh264dec_parent_class)->decide_allocation (decoder,
query))
return FALSE;
state = gst_video_decoder_get_output_state (decoder);
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
config = gst_buffer_pool_get_config (pool);
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
}
gst_buffer_pool_set_config (pool, config);
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
gst_object_unref (pool);
gst_video_codec_state_unref (state);
return TRUE;
}