On Wed, Jun 02, 2021 at 11:02:44PM +0800, lance.lmw...@gmail.com wrote:
> From: Limin Wang <lance.lmw...@gmail.com>
>
> fixes vertical line at the right side of video for rgb24toyv12 conversion.
> Please reproduce it with below command:
> ./ffplay -f lavfi -i
> "testsrc=size=529x656,ocv=filter_name=smooth,format=yuv420p"
Please reproduce it with below command:
./ffplay -f lavfi -i "testsrc=size=529x656,format=bgr24,format=yuv420p"
>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libswscale/rgb2rgb_template.c | 2 +-
> libswscale/x86/rgb2rgb_template.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/libswscale/rgb2rgb_template.c b/libswscale/rgb2rgb_template.c
> index 42c6980..e716ba5 100644
> --- a/libswscale/rgb2rgb_template.c
> +++ b/libswscale/rgb2rgb_template.c
> @@ -654,7 +654,7 @@ void ff_rgb24toyv12_c(const uint8_t *src, uint8_t *ydst,
> uint8_t *udst,
> int32_t ru = rgb2yuv[RU_IDX], gu = rgb2yuv[GU_IDX], bu = rgb2yuv[BU_IDX];
> int32_t rv = rgb2yuv[RV_IDX], gv = rgb2yuv[GV_IDX], bv = rgb2yuv[BV_IDX];
> int y;
> - const int chromWidth = width >> 1;
> + const int chromWidth = AV_CEIL_RSHIFT(width, 1);
>
> for (y = 0; y < height; y += 2) {
> int i;
> diff --git a/libswscale/x86/rgb2rgb_template.c
> b/libswscale/x86/rgb2rgb_template.c
> index ae2469e..704b0fa 100644
> --- a/libswscale/x86/rgb2rgb_template.c
> +++ b/libswscale/x86/rgb2rgb_template.c
> @@ -1578,7 +1578,7 @@ static inline void RENAME(rgb24toyv12)(const uint8_t
> *src, uint8_t *ydst, uint8_
> #define BGR2U_IDX "16*4+16*33"
> #define BGR2V_IDX "16*4+16*34"
> int y;
> - const x86_reg chromWidth= width>>1;
> + const x86_reg chromWidth = AV_CEIL_RSHIFT(width, 1);
>
> if (height > 2) {
> ff_rgb24toyv12_c(src, ydst, udst, vdst, width, 2, lumStride,
> chromStride, srcStride, rgb2yuv);
> --
> 1.8.3.1
>
--
Thanks,
Limin Wang
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