diff options
| -rw-r--r-- | libavcodec/txd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/txd.c b/libavcodec/txd.c index ad1a015..d2884ad 100644 --- a/libavcodec/txd.c +++ b/libavcodec/txd.c @@ -94,12 +94,12 @@ static int txd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, if (!(flags & 1)) goto unsupported; case FF_S3TC_DXT1: - if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 8) + if (bytestream2_get_bytes_left(&gb) < FF_CEIL_RSHIFT(w, 2) * FF_CEIL_RSHIFT(h, 2) * 8) return AVERROR_INVALIDDATA; ff_decode_dxt1(&gb, ptr, w, h, stride); break; case FF_S3TC_DXT3: - if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 16) + if (bytestream2_get_bytes_left(&gb) < FF_CEIL_RSHIFT(w, 2) * FF_CEIL_RSHIFT(h, 2) * 16) return AVERROR_INVALIDDATA; ff_decode_dxt3(&gb, ptr, w, h, stride); break; |
