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perform sanity check on number of audio channels in avcodec_open() 

Originally committed as revision 19877 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Peter Ross 2009-09-16 11:29:47 +00:00
parent 385ae7021f
commit fa77dd639d
1 changed files with 3 additions and 1 deletions
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4
libavcodec/utils.c
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@ -471,7 +471,9 @@ int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
else if(avctx->width && avctx->height)
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height)){
#define SANE_NB_CHANNELS 128U
if((avctx->coded_width||avctx->coded_height) && avcodec_check_dimensions(avctx,avctx->coded_width,avctx->coded_height) ||
avctx->channels > SANE_NB_CHANNELS) {
av_freep(&avctx->priv_data);
ret = AVERROR(EINVAL);
goto end;