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avcodec/dpxenc: implement write16/32 as functions 

Fixes undefined behavior and segfault

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 8edc17b639)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-19 16:46:06 +02:00 committed by Michael Niedermayer
parent dd141a50cc
commit fc0df14de1
1 changed files with 13 additions and 10 deletions
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23
libavcodec/dpxenc.c
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@ -75,17 +75,20 @@ static av_cold int encode_init(AVCodecContext *avctx)
return 0; return 0;
} }
#define write16(p, value) \ static av_always_inline void write16_internal(int big_endian, void *p, int value)
do { \ {
if (s->big_endian) AV_WB16(p, value); \ if (big_endian) AV_WB16(p, value);
else AV_WL16(p, value); \ else AV_WL16(p, value);
} while(0) }
#define write32(p, value) \ static av_always_inline void write32_internal(int big_endian, void *p, int value)
do { \ {
if (s->big_endian) AV_WB32(p, value); \ if (big_endian) AV_WB32(p, value);
else AV_WL32(p, value); \ else AV_WL32(p, value);
} while(0) }
#define write16(p, value) write16_internal(s->big_endian, p, value)
#define write32(p, value) write32_internal(s->big_endian, p, value)
static void encode_rgb48_10bit(AVCodecContext *avctx, const AVPicture *pic, uint8_t *dst) static void encode_rgb48_10bit(AVCodecContext *avctx, const AVPicture *pic, uint8_t *dst)
{ {