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lavfi/alphaextract: access outlink properties rather than out_buf->video

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Avoid one dereference, simplify.
This commit is contained in:
Stefano Sabatini
2012-12-07 19:40:21 +01:00
parent 130c6497d2
commit 0bc0d31b7b
1 changed files with 3 additions and 3 deletions
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6
libavfilter/vf_alphaextract.c
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@@ -77,10 +77,10 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *cur_buf)
if (extract->is_packed_rgb) { if (extract->is_packed_rgb) {
int x, y; int x, y;
uint8_t *pin, *pout; uint8_t *pin, *pout;
for (y = 0; y < out_buf->video->h; y++) { for (y = 0; y < outlink->h; y++) {
pin = cur_buf->data[0] + y * cur_buf->linesize[0] + extract->rgba_map[A]; pin = cur_buf->data[0] + y * cur_buf->linesize[0] + extract->rgba_map[A];
pout = out_buf->data[0] + y * out_buf->linesize[0]; pout = out_buf->data[0] + y * out_buf->linesize[0];
for (x = 0; x < out_buf->video->w; x++) { for (x = 0; x < outlink->w; x++) {
*pout = *pin; *pout = *pin;
pout += 1; pout += 1;
pin += 4; pin += 4;
@@ -89,7 +89,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *cur_buf)
} else { } else {
const int linesize = abs(FFMIN(out_buf->linesize[Y], cur_buf->linesize[A])); const int linesize = abs(FFMIN(out_buf->linesize[Y], cur_buf->linesize[A]));
int y; int y;
for (y = 0; y < out_buf->video->h; y++) { for (y = 0; y < outlink->h; y++) {
memcpy(out_buf->data[Y] + y * out_buf->linesize[Y], memcpy(out_buf->data[Y] + y * out_buf->linesize[Y],
cur_buf->data[A] + y * cur_buf->linesize[A], cur_buf->data[A] + y * cur_buf->linesize[A],
linesize); linesize);