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hevc: fix offset for sao temporary frame

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fixes fate on alpha

cherry picked from commit 0a8ce1cbdaff7cd026bcf95ee3787bc7b4c063ee

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/91/head
Mickaël Raulet 11 years ago committed by Michael Niedermayer
parent 28f31e78eb
commit 950a4f8326
1 changed files with 3 additions and 3 deletions
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  1. 6
      libavcodec/hevc.c

6
libavcodec/hevc.c
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@ -276,7 +276,7 @@ static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb)
return 0; return 0;
} }
static int get_buffer_sao(HEVCContext *s, AVFrame *frame) static int get_buffer_sao(HEVCContext *s, AVFrame *frame, HEVCSPS *sps)
{ {
int ret, i; int ret, i;
@ -285,7 +285,7 @@ static int get_buffer_sao(HEVCContext *s, AVFrame *frame)
if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) if ((ret = ff_get_buffer(s->avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret; return ret;
for (i = 0; frame->data[i]; i++) { for (i = 0; frame->data[i]; i++) {
int offset = frame->linesize[i] + 1; int offset = frame->linesize[i] + (1 << sps->pixel_shift);
frame->data[i] += offset; frame->data[i] += offset;
} }
frame->width = s->avctx->width; frame->width = s->avctx->width;
@ -335,7 +335,7 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
if (sps->sao_enabled) { if (sps->sao_enabled) {
av_frame_unref(s->tmp_frame); av_frame_unref(s->tmp_frame);
ret = get_buffer_sao(s, s->tmp_frame); ret = get_buffer_sao(s, s->tmp_frame, sps);
s->sao_frame = s->tmp_frame; s->sao_frame = s->tmp_frame;
} }

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