This differs from libvorbis by
stddev: 2.44 PSNR: 88.58 MAXDIFF: 41 bytes: 834304/ 834304
for the file from the ticket
Fixes: Ticket11427
Regression since: dc89cf804a811c0d25f4649a99f7fab4b5b416fa
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavcodec/vorbisdec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavcodec/vorbisdec.c b/libavcodec/vorbisdec.c
index a778dc6b587..adbd7261832 100644
--- a/libavcodec/vorbisdec.c
+++ b/libavcodec/vorbisdec.c
@@ -1469,8 +1469,10 @@ static av_always_inline int
vorbis_residue_decode_internal(vorbis_context *vc,
unsigned step = FASTDIV(vr->partition_size << 1,
dim << 1);
vorbis_codebook codebook = vc->codebooks[vqbook];
- if (get_bits_left(gb) <= 0)
- return AVERROR_INVALIDDATA;
+ if (get_bits_left(gb) < 0) {
+ av_log(vc->avctx, AV_LOG_ERROR, "Overread %d
bits\n", -get_bits_left(gb));
+ return 0;
+ }
if (vr_type == 0) {
--
2.49.0
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