Such blocks are not valid.
---
libavcodec/wavpack.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 2afc1ed..d673ad4 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -765,11 +765,6 @@ static int wavpack_decode_block(AVCodecContext *avctx, int
block_no,
int i, j, id, size, ssize, weights, t;
int bpp, chan, chmask, orig_bpp;
- if (buf_size == 0) {
- *got_frame_ptr = 0;
- return 0;
- }
-
if (block_no >= wc->fdec_num && wv_alloc_frame_context(wc) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error creating frame decode context\n");
return AVERROR_INVALIDDATA;
@@ -1212,7 +1207,7 @@ static int wavpack_decode_frame(AVCodecContext *avctx,
void *data,
frame_size = AV_RL32(buf + 8) + 12;
}
}
- if (frame_size < 0 || frame_size > buf_size) {
+ if (frame_size <= 0 || frame_size > buf_size) {
av_log(avctx, AV_LOG_ERROR,
"Block %d has invalid size (size %d vs. %d bytes left)\n",
s->block, frame_size, buf_size);
--
1.7.10.4
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