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28 changes: 14 additions & 14 deletions libaudiofile/alac/ALACEncoder.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -332,19 +332,19 @@ int32_t ALACEncoder::EncodeStereo( BitBuffer * bitstream, void * inputBuffer, ui
switch ( mBitDepth )
{
case 16:
mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate, mixBits, mixRes );
audiofile_alac_mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate, mixBits, mixRes );
break;
case 20:
mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate, mixBits, mixRes );
audiofile_alac_mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate, mixBits, mixRes );
break;
case 24:
// includes extraction of shifted-off bytes
mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate,
audiofile_alac_mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
case 32:
// includes extraction of shifted-off bytes
mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate,
audiofile_alac_mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples/dilate,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
}
Expand Down Expand Up @@ -379,19 +379,19 @@ int32_t ALACEncoder::EncodeStereo( BitBuffer * bitstream, void * inputBuffer, ui
switch ( mBitDepth )
{
case 16:
mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
audiofile_alac_mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
break;
case 20:
mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
audiofile_alac_mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
break;
case 24:
// also extracts the shifted off bytes into the shift buffers
mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
audiofile_alac_mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
case 32:
// also extracts the shifted off bytes into the shift buffers
mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
audiofile_alac_mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
}
Expand Down Expand Up @@ -605,19 +605,19 @@ int32_t ALACEncoder::EncodeStereoFast( BitBuffer * bitstream, void * inputBuffer
switch ( mBitDepth )
{
case 16:
mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
audiofile_alac_mix16( (int16_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
break;
case 20:
mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
audiofile_alac_mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, mixBits, mixRes );
break;
case 24:
// also extracts the shifted off bytes into the shift buffers
mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
audiofile_alac_mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
case 32:
// also extracts the shifted off bytes into the shift buffers
mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
audiofile_alac_mix32( (int32_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples,
mixBits, mixRes, mShiftBufferUV, bytesShifted );
break;
}
Expand Down Expand Up @@ -756,7 +756,7 @@ int32_t ALACEncoder::EncodeStereoEscape( BitBuffer * bitstream, void * inputBuff
break;
case 20:
// mix20() with mixres param = 0 means de-interleave so use it to simplify things
mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, 0, 0 );
audiofile_alac_mix20( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, 0, 0 );
for ( index = 0; index < numSamples; index++ )
{
BitBufferWrite( bitstream, mMixBufferU[index], 20 );
Expand All @@ -765,7 +765,7 @@ int32_t ALACEncoder::EncodeStereoEscape( BitBuffer * bitstream, void * inputBuff
break;
case 24:
// mix24() with mixres param = 0 means de-interleave so use it to simplify things
mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, 0, 0, mShiftBufferUV, 0 );
audiofile_alac_mix24( (uint8_t *) inputBuffer, stride, mMixBufferU, mMixBufferV, numSamples, 0, 0, mShiftBufferUV, 0 );
for ( index = 0; index < numSamples; index++ )
{
BitBufferWrite( bitstream, mMixBufferU[index], 24 );
Expand Down
8 changes: 4 additions & 4 deletions libaudiofile/alac/matrix_enc.c
Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@

// 16-bit routines

void mix16( int16_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres )
void audiofile_alac_mix16( int16_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres )
{
int16_t * ip = in;
int32_t j;
Expand Down Expand Up @@ -95,7 +95,7 @@ void mix16( int16_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t num
// 20-bit routines
// - the 20 bits of data are left-justified in 3 bytes of storage but right-aligned for input/output predictor buffers

void mix20( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres )
void audiofile_alac_mix20( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres )
{
int32_t l, r;
uint8_t * ip = in;
Expand Down Expand Up @@ -140,7 +140,7 @@ void mix20( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t num
// 24-bit routines
// - the 24 bits of data are right-justified in the input/output predictor buffers

void mix24( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
void audiofile_alac_mix24( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted )
{
int32_t l, r;
Expand Down Expand Up @@ -240,7 +240,7 @@ void mix24( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t num
// - otherwise, the calculations might overflow into the 33rd bit and be lost
// - therefore, these routines deal with the specified "unused lower" bytes in the "shift" buffers

void mix32( int32_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
void audiofile_alac_mix32( int32_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted )
{
int32_t * ip = in;
Expand Down
8 changes: 4 additions & 4 deletions libaudiofile/alac/matrixlib.h
Original file line number Diff line number Diff line change
Expand Up @@ -38,17 +38,17 @@ extern "C" {
#endif

// 16-bit routines
void mix16( int16_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres );
void audiofile_alac_mix16( int16_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres );
void unmix16( int32_t * u, int32_t * v, int16_t * out, uint32_t stride, int32_t numSamples, int32_t mixbits, int32_t mixres );

// 20-bit routines
void mix20( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres );
void audiofile_alac_mix20( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples, int32_t mixbits, int32_t mixres );
void unmix20( int32_t * u, int32_t * v, uint8_t * out, uint32_t stride, int32_t numSamples, int32_t mixbits, int32_t mixres );

// 24-bit routines
// - 24-bit data sometimes compresses better by shifting off the bottom byte so these routines deal with
// the specified "unused lower bytes" in the combined "shift" buffer
void mix24( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
void audiofile_alac_mix24( uint8_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted );
void unmix24( int32_t * u, int32_t * v, uint8_t * out, uint32_t stride, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted );
Expand All @@ -57,7 +57,7 @@ void unmix24( int32_t * u, int32_t * v, uint8_t * out, uint32_t stride, int32_t
// - note that these really expect the internal data width to be < 32-bit but the arrays are 32-bit
// - otherwise, the calculations might overflow into the 33rd bit and be lost
// - therefore, these routines deal with the specified "unused lower" bytes in the combined "shift" buffer
void mix32( int32_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
void audiofile_alac_mix32( int32_t * in, uint32_t stride, int32_t * u, int32_t * v, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted );
void unmix32( int32_t * u, int32_t * v, int32_t * out, uint32_t stride, int32_t numSamples,
int32_t mixbits, int32_t mixres, uint16_t * shiftUV, int32_t bytesShifted );
Expand Down