From 635bbecfc300ae49461b8987e2ebbf200ec8d6b6 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Sun, 8 May 2011 17:58:20 +0200 Subject: [PATCH] v210enc: clip values according to specifications Signed-off-by: Anton Khirnov --- libavcodec/v210enc.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c index 808ab7d..5861352 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); } -- 2.7.4