Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:[email protected]
---
libavcodec/qdm2.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 91ef524..1e0811c 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -1835,6 +1835,10 @@ static av_cold int qdm2_decode_init(AVCodecContext
*avctx)
av_log(avctx, AV_LOG_ERROR, "Unknown FFT order (%d), contact the
developers!\n", s->fft_order);
return -1;
}
+ if (s->fft_size != (1 << (s->fft_order - 1))) {
+ av_log(avctx, AV_LOG_ERROR, "FFT size %d not power of 2.\n",
s->fft_size);
+ return AVERROR_INVALIDDATA;
+ }
ff_rdft_init(&s->rdft_ctx, s->fft_order, IDFT_C2R);
ff_mpadsp_init(&s->mpadsp);
--
1.7.10.4
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