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hevc: Fix memory leak related to a53_caption data

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Signed-off-by: Will Kelleher <wkelleher@gogoair.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Will Kelleher 2016-04-07 08:58:31 -05:00 committed by Michael Niedermayer
parent 6543a72fce
commit 964f07f68e
4 changed files with 19 additions and 0 deletions
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2
libavcodec/hevc.c
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@ -3155,6 +3155,8 @@ static av_cold int hevc_init_context(AVCodecContext *avctx)
s->context_initialized = 1;
s->eos = 0;
ff_hevc_reset_sei(s);
return 0;
fail:

9
libavcodec/hevc.h
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@ -1054,6 +1054,15 @@ void ff_hevc_hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size);
int ff_hevc_encode_nal_vps(HEVCVPS *vps, unsigned int id,
uint8_t *buf, int buf_size);
/**
* Reset SEI values that are stored on the Context.
* e.g. Caption data that was extracted during NAL
* parsing.
*
* @param s HEVCContext.
*/
void ff_hevc_reset_sei(HEVCContext *s);
extern const uint8_t ff_hevc_qpel_extra_before[4];
extern const uint8_t ff_hevc_qpel_extra_after[4];
extern const uint8_t ff_hevc_qpel_extra[4];

2
libavcodec/hevc_parser.c
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@ -211,6 +211,8 @@ static inline int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
h->avctx = avctx;
ff_hevc_reset_sei(h);
if (!buf_size)
return 0;

6
libavcodec/hevc_sei.c
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@ -373,3 +373,9 @@ int ff_hevc_decode_nal_sei(HEVCContext *s)
} while (more_rbsp_data(&s->HEVClc->gb));
return 1;
}
void ff_hevc_reset_sei(HEVCContext *s)
{
s->a53_caption_size = 0;
av_freep(&s->a53_caption);
}