Its meaning is only specified for IRAP frames.
As it's currently never used otherwise, this should not change decoder
behaviour, but will be useful in future commits.
---
libavcodec/hevc/hevcdec.c | 4 +++-
libavcodec/hevc/hevcdec.h | 1 +
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c
index 585a066426..d444ea93f7 100644
--- a/libavcodec/hevc/hevcdec.c
+++ b/libavcodec/hevc/hevcdec.c
@@ -2925,7 +2925,9 @@ static int hevc_frame_start(HEVCContext *s)
s->is_decoded = 0;
s->first_nal_type = s->nal_unit_type;
- s->no_rasl_output_flag = IS_IDR(s) || IS_BLA(s) || (s->nal_unit_type ==
HEVC_NAL_CRA_NUT && s->last_eos);
+ if (IS_IRAP(s))
+ s->no_rasl_output_flag = IS_IDR(s) || IS_BLA(s) ||
+ (s->nal_unit_type == HEVC_NAL_CRA_NUT &&
s->last_eos);
/* 8.3.1 */
if (s->temporal_id == 0 &&
diff --git a/libavcodec/hevc/hevcdec.h b/libavcodec/hevc/hevcdec.h
index 5eaebd3584..fa7caf9cf7 100644
--- a/libavcodec/hevc/hevcdec.h
+++ b/libavcodec/hevc/hevcdec.h
@@ -493,6 +493,7 @@ typedef struct HEVCContext {
int overlap;
int is_decoded;
+ // NoRaslOutputFlag associated with the last IRAP frame
int no_rasl_output_flag;
HEVCPredContext hpc;
--
2.43.0
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