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HACK: lavu: allow image copy for NV15 and NV20

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Signed-off-by: nyanmisaka <nst799610810@gmail.com>
This commit is contained in:
nyanmisaka 2023-12-27 22:54:43 +08:00
parent 529fe6e12e
commit c359d00d13
1 changed files with 19 additions and 7 deletions
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26
libavutil/imgutils.c
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@ -341,6 +341,19 @@ int av_image_check_sar(unsigned int w, unsigned int h, AVRational sar)
return AVERROR(EINVAL);
}
static void image_copy_plane2(uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize,
ptrdiff_t bytewidth, int height)
{
if (!dst || !src)
return;
for (;height > 0; height--) {
memcpy(dst, src, bytewidth);
dst += dst_linesize;
src += src_linesize;
}
}
static void image_copy_plane(uint8_t *dst, ptrdiff_t dst_linesize,
const uint8_t *src, ptrdiff_t src_linesize,
ptrdiff_t bytewidth, int height)
@ -349,11 +362,9 @@ static void image_copy_plane(uint8_t *dst, ptrdiff_t dst_linesize,
return;
av_assert0(FFABS(src_linesize) >= bytewidth);
av_assert0(FFABS(dst_linesize) >= bytewidth);
for (;height > 0; height--) {
memcpy(dst, src, bytewidth);
dst += dst_linesize;
src += src_linesize;
}
image_copy_plane2(dst, dst_linesize,
src, src_linesize,
bytewidth, height);
}
void av_image_copy_plane_uc_from(uint8_t *dst, ptrdiff_t dst_linesize,
@ -424,7 +435,8 @@ void av_image_copy(uint8_t *const dst_data[4], const int dst_linesizes[4],
enum AVPixelFormat pix_fmt, int width, int height)
{
ptrdiff_t dst_linesizes1[4], src_linesizes1[4];
int i;
int i, is_nv15_20 = pix_fmt == AV_PIX_FMT_NV15 ||
pix_fmt == AV_PIX_FMT_NV20;
for (i = 0; i < 4; i++) {
dst_linesizes1[i] = dst_linesizes[i];
@ -432,7 +444,7 @@ void av_image_copy(uint8_t *const dst_data[4], const int dst_linesizes[4],
}
image_copy(dst_data, dst_linesizes1, src_data, src_linesizes1, pix_fmt,
width, height, image_copy_plane);
width, height, is_nv15_20 ? image_copy_plane2 : image_copy_plane);
}
void av_image_copy_uc_from(uint8_t * const dst_data[4], const ptrdiff_t dst_linesizes[4],