diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-04-04 02:28:00 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-04-04 23:57:19 +0200 |
| commit | e54696bcaa0819674e2f9bc7c9a4c87383675091 (patch) | |
| tree | 1e90218f55612a17ed41dab9b1c69fbb704531f2 /libavcodec/ppc | |
| parent | 7c338f470f869978efa3ec161c5f28fa83840c00 (diff) | |
| download | ffmpeg-e54696bcaa0819674e2f9bc7c9a4c87383675091.tar.gz | |
avcodec/ppc/h264dsp: Fix left shifts of negative numbers
PPC equivalent of c756b3fca240df75ffa28e75f2eb34834c10294d.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec/ppc')
| -rw-r--r-- | libavcodec/ppc/h264dsp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/ppc/h264dsp.c b/libavcodec/ppc/h264dsp.c index f50f2553a2..0650768d7b 100644 --- a/libavcodec/ppc/h264dsp.c +++ b/libavcodec/ppc/h264dsp.c @@ -663,7 +663,7 @@ void weight_h264_W_altivec(uint8_t *block, int stride, int height, DECLARE_ALIGNED(16, int32_t, temp)[4]; LOAD_ZERO; - offset <<= log2_denom; + offset *= 1 << log2_denom; if(log2_denom) offset += 1<<(log2_denom-1); temp[0] = log2_denom; temp[1] = weight; @@ -712,7 +712,7 @@ void biweight_h264_W_altivec(uint8_t *dst, uint8_t *src, int stride, int height, DECLARE_ALIGNED(16, int32_t, temp)[4]; LOAD_ZERO; - offset = ((offset + 1) | 1) << log2_denom; + offset = ((offset + 1) | 1) * (1 << log2_denom); temp[0] = log2_denom+1; temp[1] = weights; temp[2] = weightd; |