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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-09-25 00:44:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-09-25 00:44:17 +0200 |
| commit | bb4b041df351e49a0fa16007fb4505adea0836d8 (patch) | |
| tree | 7178d39619714fb641155ea4d87bb04fbfd4117f | |
| parent | c88ac1e0233f34582312dc617261b9270b61df19 (diff) | |
| download | ffmpeg-bb4b041df351e49a0fa16007fb4505adea0836d8.tar.gz | |
avcodec/mpegvideo_enc: check qmin/qmax
Fixes Ticket2990
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/mpegvideo_enc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c index 2e6acb28a3..a85cf563de 100644 --- a/libavcodec/mpegvideo_enc.c +++ b/libavcodec/mpegvideo_enc.c @@ -629,6 +629,11 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx) s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2)); } + if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) { + av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n"); + return AVERROR(EINVAL); + } + if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) s->intra_quant_bias = avctx->intra_quant_bias; if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS) |