Message ID | 1cf46f33b16c0ae34d1f6f193a051220211f5d04.1666899957.git.pross@xvid.org |
---|---|
State | Accepted |
Commit | 95386b7b65dab6fb72bf76c14470904782642ebc |
Headers | show |
Series | [FFmpeg-devel] avcodec/svq3: perform residual slice copy before xor'ing watermark key | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c index 7e8f16cc72..b96c4f61f6 100644 --- a/libavcodec/svq3.c +++ b/libavcodec/svq3.c @@ -1037,15 +1037,16 @@ static int svq3_decode_slice_header(AVCodecContext *avctx) } memcpy(s->slice_buf, s->gb.buffer + s->gb.index / 8, slice_bytes); + if (length > 0) { + memmove(s->slice_buf, &s->slice_buf[slice_length], length - 1); + } + if (s->watermark_key) { uint32_t header = AV_RL32(&s->slice_buf[1]); AV_WL32(&s->slice_buf[1], header ^ s->watermark_key); } init_get_bits(&s->gb_slice, s->slice_buf, slice_bits); - if (length > 0) { - memmove(s->slice_buf, &s->slice_buf[slice_length], length - 1); - } skip_bits_long(&s->gb, slice_bytes * 8); }