Message ID | AS8P250MB0744FE41BC5B8476814DEFFD8F2D9@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM |
---|---|
State | Accepted |
Commit | c76155236fdfab9eb02ac30d2d03380a0648fb84 |
Headers | show |
Series | [FFmpeg-devel,1/7] avcodec/snow_dwt: Fix left shifts of negative numbers | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
Andreas Rheinhardt: > Affected the vsynth(1|2|_lena)-snow(|-hpel) tests. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> > --- > libavcodec/snow_dwt.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/libavcodec/snow_dwt.c b/libavcodec/snow_dwt.c > index 18b315ef66..965f409002 100644 > --- a/libavcodec/snow_dwt.c > +++ b/libavcodec/snow_dwt.c > @@ -778,10 +778,10 @@ static inline int w_c(struct MpegEncContext *v, const uint8_t *pix1, const uint8 > > for (i = 0; i < h; i++) { > for (j = 0; j < w; j += 4) { > - tmp[32 * i + j + 0] = (pix1[j + 0] - pix2[j + 0]) << 4; > - tmp[32 * i + j + 1] = (pix1[j + 1] - pix2[j + 1]) << 4; > - tmp[32 * i + j + 2] = (pix1[j + 2] - pix2[j + 2]) << 4; > - tmp[32 * i + j + 3] = (pix1[j + 3] - pix2[j + 3]) << 4; > + tmp[32 * i + j + 0] = (pix1[j + 0] - pix2[j + 0]) * (1 << 4); > + tmp[32 * i + j + 1] = (pix1[j + 1] - pix2[j + 1]) * (1 << 4); > + tmp[32 * i + j + 2] = (pix1[j + 2] - pix2[j + 2]) * (1 << 4); > + tmp[32 * i + j + 3] = (pix1[j + 3] - pix2[j + 3]) * (1 << 4); > } > pix1 += line_size; > pix2 += line_size; Will apply the remaining patches of this patchset tomorrow unless there are objections. - Andreas
diff --git a/libavcodec/snow_dwt.c b/libavcodec/snow_dwt.c index 18b315ef66..965f409002 100644 --- a/libavcodec/snow_dwt.c +++ b/libavcodec/snow_dwt.c @@ -778,10 +778,10 @@ static inline int w_c(struct MpegEncContext *v, const uint8_t *pix1, const uint8 for (i = 0; i < h; i++) { for (j = 0; j < w; j += 4) { - tmp[32 * i + j + 0] = (pix1[j + 0] - pix2[j + 0]) << 4; - tmp[32 * i + j + 1] = (pix1[j + 1] - pix2[j + 1]) << 4; - tmp[32 * i + j + 2] = (pix1[j + 2] - pix2[j + 2]) << 4; - tmp[32 * i + j + 3] = (pix1[j + 3] - pix2[j + 3]) << 4; + tmp[32 * i + j + 0] = (pix1[j + 0] - pix2[j + 0]) * (1 << 4); + tmp[32 * i + j + 1] = (pix1[j + 1] - pix2[j + 1]) * (1 << 4); + tmp[32 * i + j + 2] = (pix1[j + 2] - pix2[j + 2]) * (1 << 4); + tmp[32 * i + j + 3] = (pix1[j + 3] - pix2[j + 3]) * (1 << 4); } pix1 += line_size; pix2 += line_size;
Affected the vsynth(1|2|_lena)-snow(|-hpel) tests. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> --- libavcodec/snow_dwt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)