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hevc: properly handle no_rasl_output_flag when removing pictures from the DPB 

Fixes ticket #4185.

Reviewed-By: Mickael Raulet <Mickael.Raulet@insa-rennes.fr>
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>
This commit is contained in:
Hendrik Leppkes 2015-09-12 21:50:24 +02:00
parent 11b563ed8f
commit 0118158efa
3 changed files with 7 additions and 1 deletions
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5
libavcodec/hevc.c
View File

@ -809,6 +809,8 @@ static int hls_slice_header(HEVCContext *s)
s->HEVClc->tu.cu_qp_offset_cb = 0;
s->HEVClc->tu.cu_qp_offset_cr = 0;
s->no_rasl_output_flag = IS_IDR(s) || IS_BLA(s) || (s->nal_unit_type == NAL_CRA_NUT && s->last_eos);
return 0;
}
@ -3135,6 +3137,7 @@ static int hevc_update_thread_context(AVCodecContext *dst,
s->pocTid0 = s0->pocTid0;
s->max_ra = s0->max_ra;
s->eos = s0->eos;
s->no_rasl_output_flag = s0->no_rasl_output_flag;
s->is_nalff = s0->is_nalff;
s->nal_length_size = s0->nal_length_size;
@ -3239,6 +3242,7 @@ static av_cold int hevc_decode_init(AVCodecContext *avctx)
s->enable_parallel_tiles = 0;
s->picture_struct = 0;
s->eos = 1;
if(avctx->active_thread_type & FF_THREAD_SLICE)
s->threads_number = avctx->thread_count;
@ -3280,6 +3284,7 @@ static void hevc_decode_flush(AVCodecContext *avctx)
HEVCContext *s = avctx->priv_data;
ff_hevc_flush_dpb(s);
s->max_ra = INT_MAX;
s->eos = 1;
}
#define OFFSET(x) offsetof(HEVCContext, x)

1
libavcodec/hevc.h
View File

@ -866,6 +866,7 @@ typedef struct HEVCContext {
int bs_height;
int is_decoded;
int no_rasl_output_flag;
HEVCPredContext hpc;
HEVCDSPContext hevcdsp;

2
libavcodec/hevc_refs.c
View File

@ -174,7 +174,7 @@ int ff_hevc_output_frame(HEVCContext *s, AVFrame *out, int flush)
int min_poc = INT_MAX;
int i, min_idx, ret;
if (s->sh.no_output_of_prior_pics_flag == 1) {
if (s->sh.no_output_of_prior_pics_flag == 1 && s->no_rasl_output_flag == 1) {
for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
HEVCFrame *frame = &s->DPB[i];
if (!(frame->flags & HEVC_FRAME_FLAG_BUMPING) && frame->poc != s->poc &&