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| author | Anton Khirnov <anton@khirnov.net> | 2013-03-06 09:58:00 +0100 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2013-03-09 18:10:16 +0100 |
| commit | 20373a66ec68d958c266f643a7d0e5ec254c0fcc (patch) | |
| tree | 458ea25eea12382f04b189652951f954abbb41cf | |
| parent | d48da913733356f319931907ba7a0da0ccfd0363 (diff) | |
| download | ffmpeg-20373a66ec68d958c266f643a7d0e5ec254c0fcc.tar.gz | |
wmaprodec: require block_align to be set.
Avoids an infinite loop in the calling programs with decoder not
consuming any input and not returning output.
CC:libav-stable@libav.org
(cherry picked from commit cacad1c058f66558ec727faac3b277d2dee264d4)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
| -rw-r--r-- | libavcodec/wmaprodec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index ff96788905..efc8fce5c8 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -280,6 +280,11 @@ static av_cold int decode_init(AVCodecContext *avctx) int log2_max_num_subframes; int num_possible_block_sizes; + if (!avctx->block_align) { + av_log(avctx, AV_LOG_ERROR, "block_align is not set\n"); + return AVERROR(EINVAL); + } + s->avctx = avctx; ff_dsputil_init(&s->dsp, avctx); avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT); |