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:

committed by
Michael Niedermayer

parent
7bf3f79502
commit
1acf921d6f
@@ -101,8 +101,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
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max_channels = 6;
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break;
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}
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if(avctx->channels > max_channels){
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return -1;
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if (avctx->channels <= 0 || avctx->channels > max_channels) {
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av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
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return AVERROR(EINVAL);
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}
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switch(avctx->codec->id) {
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