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d3d11h265dec: Fix wrong NoRaslOutputFlag setting

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... and handle EOS and EOB nals.

Only the first CRA picture should be associated with NoRaslOutputFlag
as the comment in code.
This commit is contained in:
Seungha Yang 2020-01-13 17:20:14 +09:00 committed by GStreamer Merge Bot
parent 59ce0059b6
commit 6e73e762c5
1 changed files with 18 additions and 3 deletions
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21
sys/d3d11/gsth265decoder.c
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@ -91,6 +91,8 @@ struct _GstH265DecoderPrivate
gint last_output_poc;
gboolean associated_irap_NoRaslOutputFlag;
gboolean new_bitstream;
gboolean prev_nal_is_eos;
};
#define parent_class gst_h265_decoder_parent_class
@ -143,6 +145,8 @@ gst_h265_decoder_start (GstVideoDecoder * decoder)
priv->parser = gst_h265_parser_new ();
priv->dpb = gst_h265_dpb_new ();
priv->new_bitstream = TRUE;
priv->prev_nal_is_eos = FALSE;
return TRUE;
}
@ -482,6 +486,16 @@ gst_h265_decoder_parse_nal (GstH265Decoder * self, const guint8 * data,
case GST_H265_NAL_SLICE_IDR_N_LP:
case GST_H265_NAL_SLICE_CRA_NUT:
ret = gst_h265_decoder_parse_slice (self, &nalu, pts);
priv->new_bitstream = FALSE;
priv->prev_nal_is_eos = FALSE;
break;
case GST_H265_NAL_EOB:
ret = gst_h265_decoder_flush (GST_VIDEO_DECODER (self));
priv->new_bitstream = TRUE;
break;
case GST_H265_NAL_EOS:
ret = gst_h265_decoder_flush (GST_VIDEO_DECODER (self));
priv->prev_nal_is_eos = TRUE;
break;
default:
break;
@ -788,7 +802,8 @@ gst_h265_decoder_fill_picture_from_slice (GstH265Decoder * self,
* 4) first picture that follows an end of sequence NAL unit in decoding order
* 5) has HandleCraAsBlaFlag == 1 (set by external means, so not considering )
*/
if (IS_IDR (nalu->type) || IS_BLA (nalu->type) || IS_CRA (nalu->type)) {
if (IS_IDR (nalu->type) || IS_BLA (nalu->type) ||
(IS_CRA (nalu->type) && priv->new_bitstream) || priv->prev_nal_is_eos) {
picture->NoRaslOutputFlag = TRUE;
}
@ -1225,11 +1240,11 @@ static gboolean
gst_h265_decoder_dpb_init (GstH265Decoder * self, const GstH265Slice * slice,
GstH265Picture * picture)
{
GstH265DecoderPrivate *priv = self->priv;
const GstH265SliceHdr *slice_hdr = &slice->header;
const GstH265NalUnit *nalu = &slice->nalu;
if (IS_IRAP (nalu->type) && picture->NoRaslOutputFlag) {
if (IS_IRAP (nalu->type) && picture->NoRaslOutputFlag && !priv->new_bitstream) {
if (nalu->type == GST_H265_NAL_SLICE_CRA_NUT)
picture->NoOutputOfPriorPicsFlag = TRUE;
else