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Not clamping float audio now; better mix quality

This commit is contained in:
Jack Andersen 2016-06-14 17:53:37 -10:00
parent e62e8952b5
commit 7410e17179
7 changed files with 31 additions and 34 deletions
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12
lib/audiodev/AudioMatrix.cpp
View File

@ -119,7 +119,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut + *dataIn * (m_coefs.v[int(ch)] * t + m_oldCoefs.v[int(ch)] * omt));
*dataOut = *dataOut + *dataIn * (m_coefs.v[int(ch)] * t + m_oldCoefs.v[int(ch)] * omt);
++dataOut;
}
}
@ -133,7 +133,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut + *dataIn * m_coefs.v[int(ch)]);
*dataOut = *dataOut + *dataIn * m_coefs.v[int(ch)];
++dataOut;
}
}
@ -265,9 +265,9 @@ float* AudioMatrixStereo::mixStereoSampleData(const AudioVoiceEngineMixInfo& inf
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut +
*dataOut = *dataOut +
*dataIn * (m_coefs.v[int(ch)][0] * t + m_oldCoefs.v[int(ch)][0] * omt) +
*dataIn * (m_coefs.v[int(ch)][1] * t + m_oldCoefs.v[int(ch)][1] * omt));
*dataIn * (m_coefs.v[int(ch)][1] * t + m_oldCoefs.v[int(ch)][1] * omt);
++dataOut;
}
}
@ -281,9 +281,9 @@ float* AudioMatrixStereo::mixStereoSampleData(const AudioVoiceEngineMixInfo& inf
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut +
*dataOut = *dataOut +
dataIn[0] * m_coefs.v[int(ch)][0] +
dataIn[1] * m_coefs.v[int(ch)][1]);
dataIn[1] * m_coefs.v[int(ch)][1];
++dataOut;
}
}

9
lib/audiodev/AudioMatrix.hpp
View File

@ -32,15 +32,6 @@ static inline int32_t Clamp32(float in)
return in;
}
static inline float ClampFlt(float in)
{
if (in < -1.f)
return -1.f;
else if (in > 1.f)
return 1.f;
return in;
}
class AudioMatrixMono
{
union Coefs

16
lib/audiodev/AudioMatrixSSE.cpp
View File

@ -320,7 +320,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
samps.q = _mm_shuffle_ps(samps.q, samps.q, _MM_SHUFFLE(1, 0, 1, 0));
__m128 pre = _mm_add_ps(_mm_loadu_ps(dataOut), _mm_mul_ps(coefs.q, samps.q));
_mm_storeu_ps(dataOut, _mm_min_ps(_mm_max_ps(pre, Min32Vec.q), Max32Vec.q));
_mm_storeu_ps(dataOut, pre);
dataOut += 4;
++s;
@ -334,7 +334,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = Clamp32(*dataOut + *dataIn * (m_coefs.v[int(ch)] * t + m_oldCoefs.v[int(ch)] * omt));
*dataOut = *dataOut + *dataIn * (m_coefs.v[int(ch)] * t + m_oldCoefs.v[int(ch)] * omt);
++dataOut;
}
}
@ -356,7 +356,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
samps.q = _mm_shuffle_ps(samps.q, samps.q, _MM_SHUFFLE(1, 0, 1, 0));
__m128 pre = _mm_add_ps(_mm_loadu_ps(dataOut), _mm_mul_ps(coefs.q, samps.q));
_mm_storeu_ps(dataOut, _mm_min_ps(_mm_max_ps(pre, Min32Vec.q), Max32Vec.q));
_mm_storeu_ps(dataOut, pre);
dataOut += 4;
++s;
@ -370,7 +370,7 @@ float* AudioMatrixMono::mixMonoSampleData(const AudioVoiceEngineMixInfo& info,
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = Clamp32(*dataOut + *dataIn * m_coefs.v[int(ch)]);
*dataOut = *dataOut + *dataIn * m_coefs.v[int(ch)];
++dataOut;
}
}
@ -508,9 +508,9 @@ float* AudioMatrixStereo::mixStereoSampleData(const AudioVoiceEngineMixInfo& inf
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut +
*dataOut = *dataOut +
*dataIn * (m_coefs.v[int(ch)][0] * t + m_oldCoefs.v[int(ch)][0] * omt) +
*dataIn * (m_coefs.v[int(ch)][1] * t + m_oldCoefs.v[int(ch)][1] * omt));
*dataIn * (m_coefs.v[int(ch)][1] * t + m_oldCoefs.v[int(ch)][1] * omt);
++dataOut;
}
}
@ -524,9 +524,9 @@ float* AudioMatrixStereo::mixStereoSampleData(const AudioVoiceEngineMixInfo& inf
AudioChannel ch = chmap.m_channels[c];
if (ch != AudioChannel::Unknown)
{
*dataOut = ClampFlt(*dataOut +
*dataOut = *dataOut +
dataIn[0] * m_coefs.v[int(ch)][0] +
dataIn[1] * m_coefs.v[int(ch)][1]);
dataIn[1] * m_coefs.v[int(ch)][1];
++dataOut;
}
}

2
lib/audiodev/AudioSubmix.cpp
View File

@ -116,7 +116,7 @@ void AudioSubmix::_pumpAndMixVoices(size_t frames, float* dataOut, float* mainOu
for (size_t f=0 ; f<frames ; ++f)
for (size_t c=0 ; c<info.m_channelMap.m_channelCount ; ++c)
{
*dataOut = ClampFlt(*dataOut + *it++ * m_gains[c]);
*dataOut = *dataOut + *it++ * m_gains[c];
++dataOut;
}
}

2
lib/audiodev/AudioSubmix.hpp
View File

@ -7,6 +7,7 @@
#include <vector>
struct AudioUnitVoiceEngine;
struct VSTVoiceEngine;
namespace boo
{
@ -18,6 +19,7 @@ class AudioSubmix : public IAudioSubmix, public IAudioMix
friend class BaseAudioVoiceEngine;
friend struct WASAPIAudioVoiceEngine;
friend struct ::AudioUnitVoiceEngine;
friend struct ::VSTVoiceEngine;
/* Mixer-engine relationships */
BaseAudioVoiceEngine& m_root;

2
lib/audiodev/AudioVoice.hpp
View File

@ -7,6 +7,7 @@
#include "AudioMatrix.hpp"
struct AudioUnitVoiceEngine;
struct VSTVoiceEngine;
namespace boo
{
@ -20,6 +21,7 @@ class AudioVoice : public IAudioVoice
friend class AudioSubmix;
friend struct WASAPIAudioVoiceEngine;
friend struct ::AudioUnitVoiceEngine;
friend struct ::VSTVoiceEngine;
protected:
/* Mixer-engine relationships */

6
lib/audiodev/WASAPI.cpp
View File

@ -451,7 +451,7 @@ struct WASAPIAudioVoiceEngine : BaseAudioVoiceEngine
return ret;
}
static void MIDIReceiveProc(HMIDIIN hMidiIn,
static void CALLBACK MIDIReceiveProc(HMIDIIN hMidiIn,
UINT wMsg,
IMIDIReceiver* dwInstance,
DWORD_PTR dwParam1,
@ -461,7 +461,7 @@ struct WASAPIAudioVoiceEngine : BaseAudioVoiceEngine
{
uint8_t (&ptr)[3] = reinterpret_cast<uint8_t(&)[3]>(dwParam1);
std::vector<uint8_t> bytes(std::cbegin(ptr), std::cend(ptr));
dwInstance->m_receiver(std::move(bytes));
dwInstance->m_receiver(std::move(bytes), dwParam2 / 1000.0);
}
}
@ -685,6 +685,8 @@ struct WASAPIAudioVoiceEngine : BaseAudioVoiceEngine
static_cast<MIDIInOut&>(*ret).prepare();
return ret;
}
bool useMIDILock() const {return true;}
};
std::unique_ptr<IAudioVoiceEngine> NewAudioVoiceEngine()