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avcodec/dpxenc: implement write16/32 as functions

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Fixes undefined behavior and segfault

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-19 16:46:06 +02:00
parent 52e02a9e59
commit 8edc17b639
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;
}
#define write16(p, value) \
do { \
if (s->big_endian) AV_WB16(p, value); \
else AV_WL16(p, value); \
} while(0)
static av_always_inline void write16_internal(int big_endian, void *p, int value)
{
if (big_endian) AV_WB16(p, value);
else AV_WL16(p, value);
}
#define write32(p, value) \
do { \
if (s->big_endian) AV_WB32(p, value); \
else AV_WL32(p, value); \
} while(0)
static av_always_inline void write32_internal(int big_endian, void *p, int value)
{
if (big_endian) AV_WB32(p, value);
else AV_WL32(p, value);
}
#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)
{