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Prevent a division by 0 in the g726 decoder when the configured samplerate is 0.
patch by Laurent Aimar, fenrir via.ecp fr Originally committed as revision 15160 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -301,7 +301,14 @@ static int16_t g726_encode(G726Context* c, int16_t sig)
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static av_cold int g726_init(AVCodecContext * avctx)
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{
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G726Context* c = avctx->priv_data;
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unsigned int index= (avctx->bit_rate + avctx->sample_rate/2) / avctx->sample_rate - 2;
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unsigned int index;
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if (avctx->sample_rate <= 0) {
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av_log(avctx, AV_LOG_ERROR, "Samplerate is invalid\n");
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return -1;
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}
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index = (avctx->bit_rate + avctx->sample_rate/2) / avctx->sample_rate - 2;
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if (avctx->bit_rate % avctx->sample_rate && avctx->codec->encode) {
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av_log(avctx, AV_LOG_ERROR, "Bitrate - Samplerate combination is invalid\n");
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