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hqx: Fix clipping error in idct put function 

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Ferdinand Oeinck 2015-04-07 12:42:17 +02:00 committed by Vittorio Giovara
parent 783df7d5c5
commit 0266988ccd
2 changed files with 2 additions and 2 deletions
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2
libavcodec/hqx.c
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@ -182,7 +182,7 @@ static void hqx_idct_put(uint16_t *dst, ptrdiff_t stride,
for (i = 0; i < 8; i++) {
for (j = 0; j < 8; j++) {
int v = av_clip(block[j + i * 8] + 0x800, 0, 0x1000);
int v = av_clip(block[j + i * 8] + 0x800, 0, 0xFFF);
dst[j] = (v << 4) | (v >> 8);
}
dst += stride >> 1;

2
tests/ref/fate/canopus-hqx422a
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@ -1,2 +1,2 @@
#tb 0: 1/25
0, 0, 0, 1, 8294400, 0x9b38264d
0, 0, 0, 1, 8294400, 0x9a22bebf