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Code Issues Releases Activity

smacker: validate number of channels

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This commit is contained in:
Justin Ruggles
2011-09-21 11:37:51 -04:00
parent a7984a6a6d
commit e190e453bd
1 changed files with 4 additions and 0 deletions
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4
libavcodec/smacker.c
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@ -559,6 +559,10 @@ static av_cold int decode_end(AVCodecContext *avctx)
static av_cold int smka_decode_init(AVCodecContext *avctx) static av_cold int smka_decode_init(AVCodecContext *avctx)
{ {
if (avctx->channels < 1 || avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
return AVERROR(EINVAL);
}
avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO; avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
avctx->sample_fmt = avctx->bits_per_coded_sample == 8 ? AV_SAMPLE_FMT_U8 : AV_SAMPLE_FMT_S16; avctx->sample_fmt = avctx->bits_per_coded_sample == 8 ? AV_SAMPLE_FMT_U8 : AV_SAMPLE_FMT_S16;
return 0; return 0;