34 lines
1.5 KiB
C
34 lines
1.5 KiB
C
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#ifndef _MULTI_CH_MIX_H
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#define _MULTI_CH_MIX_H
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typedef struct _MixParam {
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void *data; //每路数据
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float gain; //增益
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} MixParam;
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void Mix16to16(MixParam *mix1, MixParam *mix2, MixParam *mix3, short *out, int channel, int way_num, int per_channel_npoint);
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//功能：输入数据16bit mix ,输出数据16bit
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//way_num 为2或者3 way_num = 2 取 mix1 mix2的数据，mix3无效
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//out 数据输出 带16bit饱和
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//per_channel_npoint 每个通道的样点数
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void Mix32to32(MixParam *mix1, MixParam *mix2, MixParam *mix3, int *out, int channel, int way_num, int per_channel_npoint);
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//功能： 输入数据32bit mix ,输出数据32bit
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//way_num 为2或者3 way_num = 2 取 mix1 mix2的数据，mix3无效
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//out 数据输出 不带16bit饱和
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//per_channel_npoint 每个通道的样点数
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void Mix32to16(MixParam *mix1, MixParam *mix2, MixParam *mix3, short *out, int channel, int way_num, int per_channel_npoint);
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//功能： 输入数据32bit mix ,输出数据16bit
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//way_num 为2或者3 way_num = 2 取 mix1 mix2的数据，mix3无效
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//out 数据输出 带16bit饱和
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//per_channel_npoint 每个通道的样点数
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void Mix16to32(MixParam *mix1, MixParam *mix2, MixParam *mix3, int *out, int channel, int way_num, int per_channel_npoint);
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//功能： 输入数据16bit mix ,输出数据32bit
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//way_num 为2或者3 way_num = 2 取 mix1 mix2的数据，mix3无效
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//out 数据输出 不带16bit饱和
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//per_channel_npoint 每个通道的样点数
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#endif
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