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@ -43,6 +43,7 @@ |
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#include <string.h> |
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#include <math.h> |
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#include "libavutil/audioconvert.h" |
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "libavutil/common.h" |
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@ -154,7 +155,15 @@ static av_cold int amrnb_decode_init(AVCodecContext *avctx) |
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AMRContext *p = avctx->priv_data; |
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int i; |
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avctx->sample_fmt = AV_SAMPLE_FMT_FLT; |
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if (avctx->channels > 1) { |
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av_log_missing_feature(avctx, "multi-channel AMR", 0); |
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return AVERROR_PATCHWELCOME; |
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} |
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avctx->channels = 1; |
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avctx->channel_layout = AV_CH_LAYOUT_MONO; |
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avctx->sample_rate = 8000; |
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avctx->sample_fmt = AV_SAMPLE_FMT_FLT; |
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// p->excitation always points to the same position in p->excitation_buf
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p->excitation = &p->excitation_buf[PITCH_DELAY_MAX + LP_FILTER_ORDER + 1]; |
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