diff options
Diffstat (limited to 'alc')
-rw-r--r-- | alc/backends/coreaudio.cpp | 2 | ||||
-rw-r--r-- | alc/backends/wasapi.cpp | 2 | ||||
-rw-r--r-- | alc/converter.cpp | 371 | ||||
-rw-r--r-- | alc/converter.h | 59 | ||||
-rw-r--r-- | alc/uiddefs.cpp | 37 |
5 files changed, 2 insertions, 469 deletions
diff --git a/alc/backends/coreaudio.cpp b/alc/backends/coreaudio.cpp index 43c78063..0dd8e766 100644 --- a/alc/backends/coreaudio.cpp +++ b/alc/backends/coreaudio.cpp @@ -32,7 +32,7 @@ #include "alcmain.h" #include "alu.h" #include "ringbuffer.h" -#include "converter.h" +#include "core/converter.h" #include "core/logging.h" #include "backends/base.h" diff --git a/alc/backends/wasapi.cpp b/alc/backends/wasapi.cpp index 4df64e73..76c6d009 100644 --- a/alc/backends/wasapi.cpp +++ b/alc/backends/wasapi.cpp @@ -59,7 +59,7 @@ #include "alcmain.h" #include "alu.h" #include "comptr.h" -#include "converter.h" +#include "core/converter.h" #include "core/helpers.h" #include "core/logging.h" #include "ringbuffer.h" diff --git a/alc/converter.cpp b/alc/converter.cpp deleted file mode 100644 index f7d4fc46..00000000 --- a/alc/converter.cpp +++ /dev/null @@ -1,371 +0,0 @@ - -#include "config.h" - -#include "converter.h" - -#include <algorithm> -#include <cmath> -#include <cstdint> -#include <iterator> -#include <limits.h> - -#include "albit.h" -#include "albyte.h" -#include "alnumeric.h" -#include "core/fpu_ctrl.h" - -struct CTag; -struct CopyTag; - - -namespace { - -constexpr uint MaxPitch{10}; - -static_assert((BufferLineSize-1)/MaxPitch > 0, "MaxPitch is too large for BufferLineSize!"); -static_assert((INT_MAX>>MixerFracBits)/MaxPitch > BufferLineSize, - "MaxPitch and/or BufferLineSize are too large for MixerFracBits!"); - -/* Base template left undefined. Should be marked =delete, but Clang 3.8.1 - * chokes on that given the inline specializations. - */ -template<DevFmtType T> -inline float LoadSample(DevFmtType_t<T> val) noexcept; - -template<> inline float LoadSample<DevFmtByte>(DevFmtType_t<DevFmtByte> val) noexcept -{ return val * (1.0f/128.0f); } -template<> inline float LoadSample<DevFmtShort>(DevFmtType_t<DevFmtShort> val) noexcept -{ return val * (1.0f/32768.0f); } -template<> inline float LoadSample<DevFmtInt>(DevFmtType_t<DevFmtInt> val) noexcept -{ return static_cast<float>(val) * (1.0f/2147483648.0f); } -template<> inline float LoadSample<DevFmtFloat>(DevFmtType_t<DevFmtFloat> val) noexcept -{ return val; } - -template<> inline float LoadSample<DevFmtUByte>(DevFmtType_t<DevFmtUByte> val) noexcept -{ return LoadSample<DevFmtByte>(static_cast<int8_t>(val - 128)); } -template<> inline float LoadSample<DevFmtUShort>(DevFmtType_t<DevFmtUShort> val) noexcept -{ return LoadSample<DevFmtShort>(static_cast<int16_t>(val - 32768)); } -template<> inline float LoadSample<DevFmtUInt>(DevFmtType_t<DevFmtUInt> val) noexcept -{ return LoadSample<DevFmtInt>(static_cast<int32_t>(val - 2147483648u)); } - - -template<DevFmtType T> -inline void LoadSampleArray(float *RESTRICT dst, const void *src, const size_t srcstep, - const size_t samples) noexcept -{ - const DevFmtType_t<T> *ssrc = static_cast<const DevFmtType_t<T>*>(src); - for(size_t i{0u};i < samples;i++) - dst[i] = LoadSample<T>(ssrc[i*srcstep]); -} - -void LoadSamples(float *dst, const void *src, const size_t srcstep, const DevFmtType srctype, - const size_t samples) noexcept -{ -#define HANDLE_FMT(T) \ - case T: LoadSampleArray<T>(dst, src, srcstep, samples); break - switch(srctype) - { - HANDLE_FMT(DevFmtByte); - HANDLE_FMT(DevFmtUByte); - HANDLE_FMT(DevFmtShort); - HANDLE_FMT(DevFmtUShort); - HANDLE_FMT(DevFmtInt); - HANDLE_FMT(DevFmtUInt); - HANDLE_FMT(DevFmtFloat); - } -#undef HANDLE_FMT -} - - -template<DevFmtType T> -inline DevFmtType_t<T> StoreSample(float) noexcept; - -template<> inline float StoreSample<DevFmtFloat>(float val) noexcept -{ return val; } -template<> inline int32_t StoreSample<DevFmtInt>(float val) noexcept -{ return fastf2i(clampf(val*2147483648.0f, -2147483648.0f, 2147483520.0f)); } -template<> inline int16_t StoreSample<DevFmtShort>(float val) noexcept -{ return static_cast<int16_t>(fastf2i(clampf(val*32768.0f, -32768.0f, 32767.0f))); } -template<> inline int8_t StoreSample<DevFmtByte>(float val) noexcept -{ return static_cast<int8_t>(fastf2i(clampf(val*128.0f, -128.0f, 127.0f))); } - -/* Define unsigned output variations. */ -template<> inline uint32_t StoreSample<DevFmtUInt>(float val) noexcept -{ return static_cast<uint32_t>(StoreSample<DevFmtInt>(val)) + 2147483648u; } -template<> inline uint16_t StoreSample<DevFmtUShort>(float val) noexcept -{ return static_cast<uint16_t>(StoreSample<DevFmtShort>(val) + 32768); } -template<> inline uint8_t StoreSample<DevFmtUByte>(float val) noexcept -{ return static_cast<uint8_t>(StoreSample<DevFmtByte>(val) + 128); } - -template<DevFmtType T> -inline void StoreSampleArray(void *dst, const float *RESTRICT src, const size_t dststep, - const size_t samples) noexcept -{ - DevFmtType_t<T> *sdst = static_cast<DevFmtType_t<T>*>(dst); - for(size_t i{0u};i < samples;i++) - sdst[i*dststep] = StoreSample<T>(src[i]); -} - - -void StoreSamples(void *dst, const float *src, const size_t dststep, const DevFmtType dsttype, - const size_t samples) noexcept -{ -#define HANDLE_FMT(T) \ - case T: StoreSampleArray<T>(dst, src, dststep, samples); break - switch(dsttype) - { - HANDLE_FMT(DevFmtByte); - HANDLE_FMT(DevFmtUByte); - HANDLE_FMT(DevFmtShort); - HANDLE_FMT(DevFmtUShort); - HANDLE_FMT(DevFmtInt); - HANDLE_FMT(DevFmtUInt); - HANDLE_FMT(DevFmtFloat); - } -#undef HANDLE_FMT -} - - -template<DevFmtType T> -void Mono2Stereo(float *RESTRICT dst, const void *src, const size_t frames) noexcept -{ - const DevFmtType_t<T> *ssrc = static_cast<const DevFmtType_t<T>*>(src); - for(size_t i{0u};i < frames;i++) - dst[i*2 + 1] = dst[i*2 + 0] = LoadSample<T>(ssrc[i]) * 0.707106781187f; -} - -template<DevFmtType T> -void Multi2Mono(uint chanmask, const size_t step, const float scale, float *RESTRICT dst, - const void *src, const size_t frames) noexcept -{ - const DevFmtType_t<T> *ssrc = static_cast<const DevFmtType_t<T>*>(src); - std::fill_n(dst, frames, 0.0f); - for(size_t c{0};chanmask;++c) - { - if LIKELY((chanmask&1)) - { - for(size_t i{0u};i < frames;i++) - dst[i] += LoadSample<T>(ssrc[i*step + c]); - } - chanmask >>= 1; - } - for(size_t i{0u};i < frames;i++) - dst[i] *= scale; -} - -} // namespace - -SampleConverterPtr CreateSampleConverter(DevFmtType srcType, DevFmtType dstType, size_t numchans, - uint srcRate, uint dstRate, Resampler resampler) -{ - if(numchans < 1 || srcRate < 1 || dstRate < 1) - return nullptr; - - SampleConverterPtr converter{new(FamCount(numchans)) SampleConverter{numchans}}; - converter->mSrcType = srcType; - converter->mDstType = dstType; - converter->mSrcTypeSize = BytesFromDevFmt(srcType); - converter->mDstTypeSize = BytesFromDevFmt(dstType); - - converter->mSrcPrepCount = 0; - converter->mFracOffset = 0; - - /* Have to set the mixer FPU mode since that's what the resampler code expects. */ - FPUCtl mixer_mode{}; - auto step = static_cast<uint>( - mind(srcRate*double{MixerFracOne}/dstRate + 0.5, MaxPitch*MixerFracOne)); - converter->mIncrement = maxu(step, 1); - if(converter->mIncrement == MixerFracOne) - converter->mResample = Resample_<CopyTag,CTag>; - else - converter->mResample = PrepareResampler(resampler, converter->mIncrement, - &converter->mState); - - return converter; -} - -uint SampleConverter::availableOut(uint srcframes) const -{ - int prepcount{mSrcPrepCount}; - if(prepcount < 0) - { - /* Negative prepcount means we need to skip that many input samples. */ - if(static_cast<uint>(-prepcount) >= srcframes) - return 0; - srcframes -= static_cast<uint>(-prepcount); - prepcount = 0; - } - - if(srcframes < 1) - { - /* No output samples if there's no input samples. */ - return 0; - } - - if(prepcount < MaxResamplerPadding - && static_cast<uint>(MaxResamplerPadding - prepcount) >= srcframes) - { - /* Not enough input samples to generate an output sample. */ - return 0; - } - - auto DataSize64 = static_cast<uint64_t>(prepcount); - DataSize64 += srcframes; - DataSize64 -= MaxResamplerPadding; - DataSize64 <<= MixerFracBits; - DataSize64 -= mFracOffset; - - /* If we have a full prep, we can generate at least one sample. */ - return static_cast<uint>(clampu64((DataSize64 + mIncrement-1)/mIncrement, 1, - std::numeric_limits<int>::max())); -} - -uint SampleConverter::convert(const void **src, uint *srcframes, void *dst, uint dstframes) -{ - const uint SrcFrameSize{static_cast<uint>(mChan.size()) * mSrcTypeSize}; - const uint DstFrameSize{static_cast<uint>(mChan.size()) * mDstTypeSize}; - const uint increment{mIncrement}; - auto SamplesIn = static_cast<const al::byte*>(*src); - uint NumSrcSamples{*srcframes}; - - FPUCtl mixer_mode{}; - uint pos{0}; - while(pos < dstframes && NumSrcSamples > 0) - { - int prepcount{mSrcPrepCount}; - if(prepcount < 0) - { - /* Negative prepcount means we need to skip that many input samples. */ - if(static_cast<uint>(-prepcount) >= NumSrcSamples) - { - mSrcPrepCount = static_cast<int>(NumSrcSamples) + prepcount; - NumSrcSamples = 0; - break; - } - SamplesIn += SrcFrameSize*static_cast<uint>(-prepcount); - NumSrcSamples -= static_cast<uint>(-prepcount); - mSrcPrepCount = 0; - continue; - } - const uint toread{minu(NumSrcSamples, BufferLineSize - MaxResamplerPadding)}; - - if(prepcount < MaxResamplerPadding - && static_cast<uint>(MaxResamplerPadding - prepcount) >= toread) - { - /* Not enough input samples to generate an output sample. Store - * what we're given for later. - */ - for(size_t chan{0u};chan < mChan.size();chan++) - LoadSamples(&mChan[chan].PrevSamples[prepcount], SamplesIn + mSrcTypeSize*chan, - mChan.size(), mSrcType, toread); - - mSrcPrepCount = prepcount + static_cast<int>(toread); - NumSrcSamples = 0; - break; - } - - float *RESTRICT SrcData{mSrcSamples}; - float *RESTRICT DstData{mDstSamples}; - uint DataPosFrac{mFracOffset}; - auto DataSize64 = static_cast<uint64_t>(prepcount); - DataSize64 += toread; - DataSize64 -= MaxResamplerPadding; - DataSize64 <<= MixerFracBits; - DataSize64 -= DataPosFrac; - - /* If we have a full prep, we can generate at least one sample. */ - auto DstSize = static_cast<uint>( - clampu64((DataSize64 + increment-1)/increment, 1, BufferLineSize)); - DstSize = minu(DstSize, dstframes-pos); - - for(size_t chan{0u};chan < mChan.size();chan++) - { - const al::byte *SrcSamples{SamplesIn + mSrcTypeSize*chan}; - al::byte *DstSamples = static_cast<al::byte*>(dst) + mDstTypeSize*chan; - - /* Load the previous samples into the source data first, then the - * new samples from the input buffer. - */ - std::copy_n(mChan[chan].PrevSamples, prepcount, SrcData); - LoadSamples(SrcData + prepcount, SrcSamples, mChan.size(), mSrcType, toread); - - /* Store as many prep samples for next time as possible, given the - * number of output samples being generated. - */ - uint SrcDataEnd{(DstSize*increment + DataPosFrac)>>MixerFracBits}; - if(SrcDataEnd >= static_cast<uint>(prepcount)+toread) - std::fill(std::begin(mChan[chan].PrevSamples), - std::end(mChan[chan].PrevSamples), 0.0f); - else - { - const size_t len{minz(al::size(mChan[chan].PrevSamples), - static_cast<uint>(prepcount)+toread-SrcDataEnd)}; - std::copy_n(SrcData+SrcDataEnd, len, mChan[chan].PrevSamples); - std::fill(std::begin(mChan[chan].PrevSamples)+len, - std::end(mChan[chan].PrevSamples), 0.0f); - } - - /* Now resample, and store the result in the output buffer. */ - const float *ResampledData{mResample(&mState, SrcData+(MaxResamplerPadding>>1), - DataPosFrac, increment, {DstData, DstSize})}; - - StoreSamples(DstSamples, ResampledData, mChan.size(), mDstType, DstSize); - } - - /* Update the number of prep samples still available, as well as the - * fractional offset. - */ - DataPosFrac += increment*DstSize; - mSrcPrepCount = mini(prepcount + static_cast<int>(toread - (DataPosFrac>>MixerFracBits)), - MaxResamplerPadding); - mFracOffset = DataPosFrac & MixerFracMask; - - /* Update the src and dst pointers in case there's still more to do. */ - SamplesIn += SrcFrameSize*(DataPosFrac>>MixerFracBits); - NumSrcSamples -= minu(NumSrcSamples, (DataPosFrac>>MixerFracBits)); - - dst = static_cast<al::byte*>(dst) + DstFrameSize*DstSize; - pos += DstSize; - } - - *src = SamplesIn; - *srcframes = NumSrcSamples; - - return pos; -} - - -void ChannelConverter::convert(const void *src, float *dst, uint frames) const -{ - if(mDstChans == DevFmtMono) - { - const float scale{std::sqrt(1.0f / static_cast<float>(al::popcount(mChanMask)))}; - switch(mSrcType) - { -#define HANDLE_FMT(T) case T: Multi2Mono<T>(mChanMask, mSrcStep, scale, dst, src, frames); break - HANDLE_FMT(DevFmtByte); - HANDLE_FMT(DevFmtUByte); - HANDLE_FMT(DevFmtShort); - HANDLE_FMT(DevFmtUShort); - HANDLE_FMT(DevFmtInt); - HANDLE_FMT(DevFmtUInt); - HANDLE_FMT(DevFmtFloat); -#undef HANDLE_FMT - } - } - else if(mChanMask == 0x1 && mDstChans == DevFmtStereo) - { - switch(mSrcType) - { -#define HANDLE_FMT(T) case T: Mono2Stereo<T>(dst, src, frames); break - HANDLE_FMT(DevFmtByte); - HANDLE_FMT(DevFmtUByte); - HANDLE_FMT(DevFmtShort); - HANDLE_FMT(DevFmtUShort); - HANDLE_FMT(DevFmtInt); - HANDLE_FMT(DevFmtUInt); - HANDLE_FMT(DevFmtFloat); -#undef HANDLE_FMT - } - } -} diff --git a/alc/converter.h b/alc/converter.h deleted file mode 100644 index ffcfbc18..00000000 --- a/alc/converter.h +++ /dev/null @@ -1,59 +0,0 @@ -#ifndef CONVERTER_H -#define CONVERTER_H - -#include <cstddef> -#include <memory> - -#include "almalloc.h" -#include "core/devformat.h" -#include "core/mixer/defs.h" - -using uint = unsigned int; - - -struct SampleConverter { - DevFmtType mSrcType{}; - DevFmtType mDstType{}; - uint mSrcTypeSize{}; - uint mDstTypeSize{}; - - int mSrcPrepCount{}; - - uint mFracOffset{}; - uint mIncrement{}; - InterpState mState{}; - ResamplerFunc mResample{}; - - alignas(16) float mSrcSamples[BufferLineSize]{}; - alignas(16) float mDstSamples[BufferLineSize]{}; - - struct ChanSamples { - alignas(16) float PrevSamples[MaxResamplerPadding]; - }; - al::FlexArray<ChanSamples> mChan; - - SampleConverter(size_t numchans) : mChan{numchans} { } - - uint convert(const void **src, uint *srcframes, void *dst, uint dstframes); - uint availableOut(uint srcframes) const; - - DEF_FAM_NEWDEL(SampleConverter, mChan) -}; -using SampleConverterPtr = std::unique_ptr<SampleConverter>; - -SampleConverterPtr CreateSampleConverter(DevFmtType srcType, DevFmtType dstType, size_t numchans, - uint srcRate, uint dstRate, Resampler resampler); - - -struct ChannelConverter { - DevFmtType mSrcType{}; - uint mSrcStep{}; - uint mChanMask{}; - DevFmtChannels mDstChans{}; - - bool is_active() const noexcept { return mChanMask != 0; } - - void convert(const void *src, float *dst, uint frames) const; -}; - -#endif /* CONVERTER_H */ diff --git a/alc/uiddefs.cpp b/alc/uiddefs.cpp deleted file mode 100644 index 244c01a5..00000000 --- a/alc/uiddefs.cpp +++ /dev/null @@ -1,37 +0,0 @@ - -#include "config.h" - - -#ifndef AL_NO_UID_DEFS - -#if defined(HAVE_GUIDDEF_H) || defined(HAVE_INITGUID_H) -#define INITGUID -#include <windows.h> -#ifdef HAVE_GUIDDEF_H -#include <guiddef.h> -#else -#include <initguid.h> -#endif - -DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80,0x00, 0x00,0xaa,0x00,0x38,0x9b,0x71); -DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80,0x00, 0x00,0xaa,0x00,0x38,0x9b,0x71); - -DEFINE_GUID(IID_IDirectSoundNotify, 0xb0210783, 0x89cd, 0x11d0, 0xaf,0x08, 0x00,0xa0,0xc9,0x25,0xcd,0x16); - -DEFINE_GUID(CLSID_MMDeviceEnumerator, 0xbcde0395, 0xe52f, 0x467c, 0x8e,0x3d, 0xc4,0x57,0x92,0x91,0x69,0x2e); -DEFINE_GUID(IID_IMMDeviceEnumerator, 0xa95664d2, 0x9614, 0x4f35, 0xa7,0x46, 0xde,0x8d,0xb6,0x36,0x17,0xe6); -DEFINE_GUID(IID_IAudioClient, 0x1cb9ad4c, 0xdbfa, 0x4c32, 0xb1,0x78, 0xc2,0xf5,0x68,0xa7,0x03,0xb2); -DEFINE_GUID(IID_IAudioRenderClient, 0xf294acfc, 0x3146, 0x4483, 0xa7,0xbf, 0xad,0xdc,0xa7,0xc2,0x60,0xe2); -DEFINE_GUID(IID_IAudioCaptureClient, 0xc8adbd64, 0xe71e, 0x48a0, 0xa4,0xde, 0x18,0x5c,0x39,0x5c,0xd3,0x17); - -#ifdef HAVE_WASAPI -#include <wtypes.h> -#include <devpropdef.h> -#include <propkeydef.h> -DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80,0x20, 0x67,0xd1,0x46,0xa8,0x50,0xe0, 14); -DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_FormFactor, 0x1da5d803, 0xd492, 0x4edd, 0x8c,0x23, 0xe0,0xc0,0xff,0xee,0x7f,0x0e, 0); -DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_GUID, 0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23,0xe0, 0xc0,0xff,0xee,0x7f,0x0e, 4 ); -#endif -#endif - -#endif /* AL_NO_UID_DEFS */ |