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avcodec/utils: Check that channel count is valid in avcodec_open2();

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-19 18:17:18 +02:00
parent 9c943e077b
commit ea8785ceda
1 changed files with 6 additions and 0 deletions
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6
libavcodec/utils.c
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@ -1617,6 +1617,12 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
} else if (avctx->channel_layout) {
avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
}
if (avctx->channels < 0) {
av_log(avctx, AV_LOG_ERROR, "Specified number of channels %d is not supported\n",
avctx->channels);
ret = AVERROR(EINVAL);
goto free_and_end;
}
if(avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
if (avctx->width <= 0 || avctx->height <= 0) {
av_log(avctx, AV_LOG_ERROR, "dimensions not set\n");