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00023 #ifndef AUDIO_DECODERS_UTIL_H
00024 #define AUDIO_DECODERS_UTIL_H
00025
00026 #include "common/types.h"
00027 #include "common/util.h"
00028
00029 namespace Audio {
00030
00031
00032 static inline int16 floatToInt16(float src) {
00033 return (int16) CLIP<int>((int) floor(src + 0.5), -32768, 32767);
00034 }
00035
00036
00037 static inline void floatToInt16Interleave(int16 *dst, const float **src,
00038 uint32 length, uint8 channels) {
00039 if (channels == 2) {
00040 for (uint32 i = 0; i < length; i++) {
00041 dst[2 * i ] = floatToInt16(src[0][i]);
00042 dst[2 * i + 1] = floatToInt16(src[1][i]);
00043 }
00044 } else {
00045 for (uint8 c = 0; c < channels; c++)
00046 for (uint32 i = 0, j = c; i < length; i++, j += channels)
00047 dst[j] = floatToInt16(src[c][i]);
00048 }
00049 }
00050
00051 }
00052
00053 #endif // AUDIO_DECODERS_UTIL_H