[FFmpeg-cvslog] avcodec/ppc/h264dsp: Fix left shifts of negative numbers
ffmpeg | branch: release/7.0 | Andreas Rheinhardt | Thu Apr 4 02:28:00 2024 +0200| [0e3a46720af828726c8565d657b34b094759d444] | committer: Andreas Rheinhardt avcodec/ppc/h264dsp: Fix left shifts of negative numbers PPC equivalent of c756b3fca240df75ffa28e75f2eb34834c10294d. Signed-off-by: Andreas Rheinhardt (cherry picked from commit e54696bcaa0819674e2f9bc7c9a4c87383675091) > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0e3a46720af828726c8565d657b34b094759d444 --- libavcodec/ppc/h264dsp.c | 4 ++-- 1 file 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; ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-cvslog] avcodec/ppc/h264dsp: Fix left shifts of negative numbers
ffmpeg | branch: master | Andreas Rheinhardt | Thu Apr 4 02:28:00 2024 +0200| [e54696bcaa0819674e2f9bc7c9a4c87383675091] | committer: Andreas Rheinhardt avcodec/ppc/h264dsp: Fix left shifts of negative numbers PPC equivalent of c756b3fca240df75ffa28e75f2eb34834c10294d. Signed-off-by: Andreas Rheinhardt > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e54696bcaa0819674e2f9bc7c9a4c87383675091 --- libavcodec/ppc/h264dsp.c | 4 ++-- 1 file 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; ___ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
