Module: libav Branch: master Commit: 34f87a58532ed652a6e0283c1d044ee5df0aef0b
Author: Anton Khirnov <[email protected]> Committer: Anton Khirnov <[email protected]> Date: Tue Apr 9 15:25:20 2013 +0200 qdm2: check that the FFT size is a power of 2 Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:[email protected] --- libavcodec/qdm2.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) 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); _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
