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| author | Stefano Sabatini <stefasab@gmail.com> | 2012-12-07 18:36:58 +0100 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2012-12-07 19:09:47 +0100 |
| commit | 1f467220cfd1664782b1fe210bbc9342ad460fd2 (patch) | |
| tree | 42e7ecb7045d537951fa159995cac4ca22a407a2 | |
| parent | fe63d4130235390603df3e91e8a7ac9b3bf05308 (diff) | |
| download | ffmpeg-1f467220cfd1664782b1fe210bbc9342ad460fd2.tar.gz | |
lavfi/alphaextract: drop cur_linesize = out_linesize branch in draw_slice()
The code causes uninitialized data copy, and may be actually slower than
a loop over each line in case the padding is big.
| -rw-r--r-- | libavfilter/vf_alphaextract.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/libavfilter/vf_alphaextract.c b/libavfilter/vf_alphaextract.c index 35402f656d..e779c9832d 100644 --- a/libavfilter/vf_alphaextract.c +++ b/libavfilter/vf_alphaextract.c @@ -77,11 +77,6 @@ static int draw_slice(AVFilterLink *inlink, int y0, int h, int slice_dir) pin += 4; } } - } else if (cur_buf->linesize[A] == out_buf->linesize[Y]) { - const int linesize = cur_buf->linesize[A]; - memcpy(out_buf->data[Y] + y0 * linesize, - cur_buf->data[A] + y0 * linesize, - linesize * h); } else { const int linesize = FFMIN(out_buf->linesize[Y], cur_buf->linesize[A]); int y; |