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sipr: set mode based on block_align instead of bit_rate

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the user is not required to set bit_rate
This commit is contained in:
Justin Ruggles 2011-10-29 01:20:39 -04:00
parent 0005f9a35b
commit 3468ff1060
1 changed files with 9 additions and 4 deletions
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13
libavcodec/sipr.c
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@ -480,10 +480,15 @@ static av_cold int sipr_decoder_init(AVCodecContext * avctx)
SiprContext *ctx = avctx->priv_data;
int i;
if (avctx->bit_rate > 12200) ctx->mode = MODE_16k;
else if (avctx->bit_rate > 7500 ) ctx->mode = MODE_8k5;
else if (avctx->bit_rate > 5750 ) ctx->mode = MODE_6k5;
else ctx->mode = MODE_5k0;
switch (avctx->block_align) {
case 20: ctx->mode = MODE_16k; break;
case 19: ctx->mode = MODE_8k5; break;
case 29: ctx->mode = MODE_6k5; break;
case 37: ctx->mode = MODE_5k0; break;
default:
av_log(avctx, AV_LOG_ERROR, "Invalid block_align: %d\n", avctx->block_align);
return AVERROR(EINVAL);
}
av_log(avctx, AV_LOG_DEBUG, "Mode: %s\n", modes[ctx->mode].mode_name);