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smacker: validate channels and sample format.

This commit is contained in:
Justin Ruggles 2011-09-21 11:49:33 -04:00
parent cf044f8bff
commit ff1f89de2d
1 changed files with 8 additions and 0 deletions
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8
libavcodec/smacker.c
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@ -606,6 +606,14 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
av_log(avctx, AV_LOG_ERROR, "Frame is too large to fit in buffer\n");
return -1;
}
if (stereo ^ (avctx->channels != 1)) {
av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
return AVERROR(EINVAL);
}
if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {
av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
return AVERROR(EINVAL);
}
memset(vlc, 0, sizeof(VLC) * 4);
memset(h, 0, sizeof(HuffContext) * 4);