addons/common/audio_buffer_tools.h

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51 void convert_sample(from_sample_t in, to_sample_t& out) {
52 	out = (to_sample_t)in; // +++++ arbitrary conversion stub
56 inline void convert_sample(float& in, float& out) {
57 	out = in;
60 inline void convert_sample(uchar& in, float& out) {
61 	out = (float)(in - 128) / 127.0;
64 inline void convert_sample(short& in, float& out) {
65 	out = (float)in / 32767.0;
68 inline void convert_sample(int32& in, float& out) {
69 	out = (float)in / (float)0x7fffffff;
72 inline void convert_sample(float& in, uchar& out) {
73 	out = (uchar)(in * 127.0);
76 inline void convert_sample(float& in, short& out) {
77 	out = (short)(in * 32767.0);
80 inline void convert_sample(float& in, int32& out) {
81 	out = (int32)(in * 0x7fffffff);
84 inline void swap_convert_sample(float& in, float& out) {
85 	out = B_SWAP_FLOAT(in);
88 inline void swap_convert_sample(uchar& in, float& out) {
90 	out = (float)(in - 128) / 127.0;
93 inline void swap_convert_sample(short& in, float& out) {
94 	out = (float)(int16)(B_SWAP_INT16(in)) / 32767.0;
97 inline void swap_convert_sample(int32& in, float& out) {
98 	out = (float)(int32)(B_SWAP_INT32(in)) / (float)0x7fffffff;
101 inline void swap_convert_sample(float& in, uchar& out) {
102 	out = (uchar)((B_SWAP_FLOAT(in)) * 127.0);
105 inline void swap_convert_sample(float& in, short& out) {
106 	out = (short)((B_SWAP_FLOAT(in)) * 32767.0);
109 inline void swap_convert_sample(float& in, int32& out) {
110 	out = (int32)((B_SWAP_FLOAT(in)) * 0x7fffffff);
135 inline void convert_sample(from_sample_t in, void* pOut, int32 out_audio_format) {
138 			convert_sample(in, *(uchar*)pOut);
141 			convert_sample(in, *(short*)pOut);
144 			convert_sample(in, *(float*)pOut);
147 			convert_sample(in, *(int32*)pOut);
205 // copy from a linear buffer in one sample format to a circular buffer
206 // in another, delegating rescaling duties to convert_sample().
256 // copy from a circular buffer in one sample format to a linear buffer
257 // in another, delegating rescaling duties to convert_sample().
282 //// copy between circular buffers in the same format
344 // mix from a linear buffer in one sample format to a
345 // circular buffer in another, delegating to convert_sample() for rescaling