It makes sense when copying 4K/8K video, if linesize
equals to aligned linesize.
Signed-off-by: xufuji456 <839789...@qq.com>
---
libavutil/imgutils.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
index 9ab5757cf6..1d432e7a57 100644
--- a/libavutil/imgutils.c
+++ b/libavutil/imgutils.c
@@ -525,10 +525,17 @@ int av_image_copy_to_buffer(uint8_t *dst, int dst_size,
const uint8_t *src = src_data[i];
h = (height + (1 << shift) - 1) >> shift;
- for (j = 0; j < h; j++) {
- memcpy(dst, src, linesize[i]);
- dst += FFALIGN(linesize[i], align);
- src += src_linesize[i];
+ if (FFALIGN(linesize[i], align) == linesize[i] && src_linesize[i] ==
linesize[i]) {
+ int size = linesize[i] * h;
+ memcpy(dst, src, size);
+ dst += size;
+ src += size;
+ } else {
+ for (j = 0; j < h; j++) {
+ memcpy(dst, src, linesize[i]);
+ dst += FFALIGN(linesize[i], align);
+ src += src_linesize[i];
+ }
}
}
--
2.32.0 (Apple Git-132)
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