adpcm: Check for channels to be a non-zero integer

channels would be 0 sometimes and would cause floating point exception
Fixes bugzilla #124

Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
(cherry picked from commit e614fac2e6)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Shitiz Garg
2011-12-17 19:35:59 +05:30
committed by Michael Niedermayer
parent 7bf3f79502
commit 1acf921d6f

View File

@@ -101,8 +101,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
max_channels = 6;
break;
}
if(avctx->channels > max_channels){
return -1;
if (avctx->channels <= 0 || avctx->channels > max_channels) {
av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
return AVERROR(EINVAL);
}
switch(avctx->codec->id) {