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| author | Mans Rullgard <mans@mansr.com> | 2012-10-23 18:17:46 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-10-23 18:57:24 +0100 |
| commit | a153e45b953dee5b065939300d3a591772f43b19 (patch) | |
| tree | 6ed48acdac6f3ec3d8dfad4661142fd4793e9006 | |
| parent | e831b3b852a23cd24f2941e68bd65299ce306880 (diff) | |
| download | ffmpeg-a153e45b953dee5b065939300d3a591772f43b19.tar.gz | |
dfa: use av_memcpy_backptr() where previously impossible
Since the requirement for output padding has been lifted, we can
use av_memcpy_backptr() here as well.
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/dfa.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libavcodec/dfa.c b/libavcodec/dfa.c index 46051e041d..ae184d7b5f 100644 --- a/libavcodec/dfa.c +++ b/libavcodec/dfa.c @@ -122,9 +122,7 @@ static int decode_dsw1(GetByteContext *gb, uint8_t *frame, int width, int height count = ((v >> 13) + 2) << 1; if (frame - frame_start < offset || frame_end - frame < count) return AVERROR_INVALIDDATA; - // can't use av_memcpy_backptr() since it can overwrite following pixels - for (v = 0; v < count; v++) - frame[v] = frame[v - offset]; + av_memcpy_backptr(frame, offset, count); frame += count; } else if (bitbuf & (mask << 1)) { frame += bytestream2_get_le16(gb); |