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| author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2011-05-08 17:58:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-05-08 19:53:39 +0200 |
| commit | 74bf9d62311a96a67f01269779d92386a15ce592 (patch) | |
| tree | a02859c43123d8baf90be46a447f10479811f460 /libavcodec | |
| parent | 3e002747d15475ed9e6ec13689f2296b04b27fef (diff) | |
| download | ffmpeg-74bf9d62311a96a67f01269779d92386a15ce592.tar.gz | |
v210enc:clip values according to specifications
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/v210enc.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c index 77a97cfe1f..d1b3d9f858 100644 --- a/libavcodec/v210enc.c +++ b/libavcodec/v210enc.c @@ -66,11 +66,13 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, return -1; } +#define CLIP(v) av_clip(v, 4, 1019) + #define WRITE_PIXELS(a, b, c) \ do { \ - val = *a++; \ - val |= (*b++ << 10) | \ - (*c++ << 20); \ + val = CLIP(*a++); \ + val |= (CLIP(*b++) << 10) | \ + (CLIP(*c++) << 20); \ bytestream_put_le32(&p, val); \ } while (0) @@ -85,15 +87,15 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, if (w < avctx->width - 1) { WRITE_PIXELS(u, y, v); - val = *y++; + val = CLIP(*y++); if (w == avctx->width - 2) bytestream_put_le32(&p, val); } if (w < avctx->width - 3) { - val |= (*u++ << 10) | (*y++ << 20); + val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20); bytestream_put_le32(&p, val); - val = *v++ | (*y++ << 10); + val = CLIP(*v++) | (CLIP(*y++) << 10); bytestream_put_le32(&p, val); } |