diff options
Diffstat (limited to 'alc/backends/wave.cpp')
-rw-r--r-- | alc/backends/wave.cpp | 239 |
1 files changed, 122 insertions, 117 deletions
diff --git a/alc/backends/wave.cpp b/alc/backends/wave.cpp index 7bcc3436..1b40640c 100644 --- a/alc/backends/wave.cpp +++ b/alc/backends/wave.cpp @@ -20,7 +20,7 @@ #include "config.h" -#include "backends/wave.h" +#include "wave.h" #include <algorithm> #include <atomic> @@ -33,18 +33,15 @@ #include <functional> #include <thread> -#include "AL/al.h" - +#include "albit.h" #include "albyte.h" -#include "alcmain.h" -#include "alconfig.h" -#include "alexcpt.h" +#include "alc/alconfig.h" #include "almalloc.h" #include "alnumeric.h" -#include "alu.h" -#include "compat.h" -#include "endiantest.h" -#include "logging.h" +#include "core/device.h" +#include "core/helpers.h" +#include "core/logging.h" +#include "opthelpers.h" #include "strutils.h" #include "threads.h" #include "vector.h" @@ -56,50 +53,53 @@ using std::chrono::seconds; using std::chrono::milliseconds; using std::chrono::nanoseconds; -constexpr ALCchar waveDevice[] = "Wave File Writer"; +using ubyte = unsigned char; +using ushort = unsigned short; + +constexpr char waveDevice[] = "Wave File Writer"; -constexpr ALubyte SUBTYPE_PCM[]{ +constexpr ubyte SUBTYPE_PCM[]{ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }; -constexpr ALubyte SUBTYPE_FLOAT[]{ +constexpr ubyte SUBTYPE_FLOAT[]{ 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 }; -constexpr ALubyte SUBTYPE_BFORMAT_PCM[]{ +constexpr ubyte SUBTYPE_BFORMAT_PCM[]{ 0x01, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11, 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00 }; -constexpr ALubyte SUBTYPE_BFORMAT_FLOAT[]{ +constexpr ubyte SUBTYPE_BFORMAT_FLOAT[]{ 0x03, 0x00, 0x00, 0x00, 0x21, 0x07, 0xd3, 0x11, 0x86, 0x44, 0xc8, 0xc1, 0xca, 0x00, 0x00, 0x00 }; -void fwrite16le(ALushort val, FILE *f) +void fwrite16le(ushort val, FILE *f) { - ALubyte data[2]{ static_cast<ALubyte>(val&0xff), static_cast<ALubyte>((val>>8)&0xff) }; + ubyte data[2]{ static_cast<ubyte>(val&0xff), static_cast<ubyte>((val>>8)&0xff) }; fwrite(data, 1, 2, f); } -void fwrite32le(ALuint val, FILE *f) +void fwrite32le(uint val, FILE *f) { - ALubyte data[4]{ static_cast<ALubyte>(val&0xff), static_cast<ALubyte>((val>>8)&0xff), - static_cast<ALubyte>((val>>16)&0xff), static_cast<ALubyte>((val>>24)&0xff) }; + ubyte data[4]{ static_cast<ubyte>(val&0xff), static_cast<ubyte>((val>>8)&0xff), + static_cast<ubyte>((val>>16)&0xff), static_cast<ubyte>((val>>24)&0xff) }; fwrite(data, 1, 4, f); } struct WaveBackend final : public BackendBase { - WaveBackend(ALCdevice *device) noexcept : BackendBase{device} { } + WaveBackend(DeviceBase *device) noexcept : BackendBase{device} { } ~WaveBackend() override; int mixerProc(); - void open(const ALCchar *name) override; + void open(const char *name) override; bool reset() override; - bool start() override; + void start() override; void stop() override; FILE *mFile{nullptr}; @@ -126,12 +126,13 @@ int WaveBackend::mixerProc() althrd_setname(MIXER_THREAD_NAME); - const ALuint frameSize{mDevice->frameSizeFromFmt()}; + const size_t frameStep{mDevice->channelsFromFmt()}; + const size_t frameSize{mDevice->frameSizeFromFmt()}; int64_t done{0}; auto start = std::chrono::steady_clock::now(); - while(!mKillNow.load(std::memory_order_acquire) && - mDevice->Connected.load(std::memory_order_acquire)) + while(!mKillNow.load(std::memory_order_acquire) + && mDevice->Connected.load(std::memory_order_acquire)) { auto now = std::chrono::steady_clock::now(); @@ -145,45 +146,35 @@ int WaveBackend::mixerProc() } while(avail-done >= mDevice->UpdateSize) { - { - std::lock_guard<WaveBackend> _{*this}; - aluMixData(mDevice, mBuffer.data(), mDevice->UpdateSize); - } + mDevice->renderSamples(mBuffer.data(), mDevice->UpdateSize, frameStep); done += mDevice->UpdateSize; - if(!IS_LITTLE_ENDIAN) + if(al::endian::native != al::endian::little) { - const ALuint bytesize{mDevice->bytesFromFmt()}; + const uint bytesize{mDevice->bytesFromFmt()}; if(bytesize == 2) { - ALushort *samples = reinterpret_cast<ALushort*>(mBuffer.data()); - const size_t len{mBuffer.size() / 2}; - for(size_t i{0};i < len;i++) - { - const ALushort samp{samples[i]}; - samples[i] = static_cast<ALushort>((samp>>8) | (samp<<8)); - } + const size_t len{mBuffer.size() & ~size_t{1}}; + for(size_t i{0};i < len;i+=2) + std::swap(mBuffer[i], mBuffer[i+1]); } else if(bytesize == 4) { - ALuint *samples = reinterpret_cast<ALuint*>(mBuffer.data()); - const size_t len{mBuffer.size() / 4}; - for(size_t i{0};i < len;i++) + const size_t len{mBuffer.size() & ~size_t{3}}; + for(size_t i{0};i < len;i+=4) { - const ALuint samp{samples[i]}; - samples[i] = (samp>>24) | ((samp>>8)&0x0000ff00) | - ((samp<<8)&0x00ff0000) | (samp<<24); + std::swap(mBuffer[i ], mBuffer[i+3]); + std::swap(mBuffer[i+1], mBuffer[i+2]); } } } - size_t fs{fwrite(mBuffer.data(), frameSize, mDevice->UpdateSize, mFile)}; - (void)fs; - if(ferror(mFile)) + const size_t fs{fwrite(mBuffer.data(), frameSize, mDevice->UpdateSize, mFile)}; + if(fs < mDevice->UpdateSize || ferror(mFile)) { ERR("Error writing to file\n"); - aluHandleDisconnect(mDevice, "Failed to write playback samples"); + mDevice->handleDisconnect("Failed to write playback samples"); break; } } @@ -196,49 +187,54 @@ int WaveBackend::mixerProc() if(done >= mDevice->Frequency) { seconds s{done/mDevice->Frequency}; + done %= mDevice->Frequency; start += s; - done -= mDevice->Frequency*s.count(); } } return 0; } -void WaveBackend::open(const ALCchar *name) +void WaveBackend::open(const char *name) { - const char *fname{GetConfigValue(nullptr, "wave", "file", "")}; - if(!fname[0]) throw al::backend_exception{ALC_INVALID_VALUE, "No wave output filename"}; + auto fname = ConfigValueStr(nullptr, "wave", "file"); + if(!fname) throw al::backend_exception{al::backend_error::NoDevice, + "No wave output filename"}; if(!name) name = waveDevice; else if(strcmp(name, waveDevice) != 0) - throw al::backend_exception{ALC_INVALID_VALUE, "Device name \"%s\" not found", name}; + throw al::backend_exception{al::backend_error::NoDevice, "Device name \"%s\" not found", + name}; + + /* There's only one "device", so if it's already open, we're done. */ + if(mFile) return; #ifdef _WIN32 { - std::wstring wname = utf8_to_wstr(fname); + std::wstring wname{utf8_to_wstr(fname->c_str())}; mFile = _wfopen(wname.c_str(), L"wb"); } #else - mFile = fopen(fname, "wb"); + mFile = fopen(fname->c_str(), "wb"); #endif if(!mFile) - throw al::backend_exception{ALC_INVALID_VALUE, "Could not open file '%s': %s", fname, - strerror(errno)}; + throw al::backend_exception{al::backend_error::DeviceError, "Could not open file '%s': %s", + fname->c_str(), strerror(errno)}; mDevice->DeviceName = name; } bool WaveBackend::reset() { - ALuint channels=0, bytes=0, chanmask=0; - int isbformat = 0; + uint channels{0}, bytes{0}, chanmask{0}; + bool isbformat{false}; size_t val; fseek(mFile, 0, SEEK_SET); clearerr(mFile); - if(GetConfigValueBool(nullptr, "wave", "bformat", 0)) + if(GetConfigValueBool(nullptr, "wave", "bformat", false)) { mDevice->FmtChans = DevFmtAmbi3D; mDevice->mAmbiOrder = 1; @@ -246,38 +242,43 @@ bool WaveBackend::reset() switch(mDevice->FmtType) { - case DevFmtByte: - mDevice->FmtType = DevFmtUByte; - break; - case DevFmtUShort: - mDevice->FmtType = DevFmtShort; - break; - case DevFmtUInt: - mDevice->FmtType = DevFmtInt; - break; - case DevFmtUByte: - case DevFmtShort: - case DevFmtInt: - case DevFmtFloat: - break; + case DevFmtByte: + mDevice->FmtType = DevFmtUByte; + break; + case DevFmtUShort: + mDevice->FmtType = DevFmtShort; + break; + case DevFmtUInt: + mDevice->FmtType = DevFmtInt; + break; + case DevFmtUByte: + case DevFmtShort: + case DevFmtInt: + case DevFmtFloat: + break; } switch(mDevice->FmtChans) { - case DevFmtMono: chanmask = 0x04; break; - case DevFmtStereo: chanmask = 0x01 | 0x02; break; - case DevFmtQuad: chanmask = 0x01 | 0x02 | 0x10 | 0x20; break; - case DevFmtX51: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x200 | 0x400; break; - case DevFmtX51Rear: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020; break; - case DevFmtX61: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x100 | 0x200 | 0x400; break; - case DevFmtX71: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400; break; - case DevFmtAmbi3D: - /* .amb output requires FuMa */ - mDevice->mAmbiOrder = minu(mDevice->mAmbiOrder, 3); - mDevice->mAmbiLayout = AmbiLayout::FuMa; - mDevice->mAmbiScale = AmbiNorm::FuMa; - isbformat = 1; - chanmask = 0; - break; + case DevFmtMono: chanmask = 0x04; break; + case DevFmtStereo: chanmask = 0x01 | 0x02; break; + case DevFmtQuad: chanmask = 0x01 | 0x02 | 0x10 | 0x20; break; + case DevFmtX51: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x200 | 0x400; break; + case DevFmtX61: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x100 | 0x200 | 0x400; break; + case DevFmtX71: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400; break; + case DevFmtX714: + chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400 | 0x1000 | 0x4000 + | 0x8000 | 0x20000; + break; + /* NOTE: Same as 7.1. */ + case DevFmtX3D71: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400; break; + case DevFmtAmbi3D: + /* .amb output requires FuMa */ + mDevice->mAmbiOrder = minu(mDevice->mAmbiOrder, 3); + mDevice->mAmbiLayout = DevAmbiLayout::FuMa; + mDevice->mAmbiScale = DevAmbiScaling::FuMa; + isbformat = true; + chanmask = 0; + break; } bytes = mDevice->bytesFromFmt(); channels = mDevice->channelsFromFmt(); @@ -295,19 +296,19 @@ bool WaveBackend::reset() // 16-bit val, format type id (extensible: 0xFFFE) fwrite16le(0xFFFE, mFile); // 16-bit val, channel count - fwrite16le(static_cast<ALushort>(channels), mFile); + fwrite16le(static_cast<ushort>(channels), mFile); // 32-bit val, frequency fwrite32le(mDevice->Frequency, mFile); // 32-bit val, bytes per second fwrite32le(mDevice->Frequency * channels * bytes, mFile); // 16-bit val, frame size - fwrite16le(static_cast<ALushort>(channels * bytes), mFile); + fwrite16le(static_cast<ushort>(channels * bytes), mFile); // 16-bit val, bits per sample - fwrite16le(static_cast<ALushort>(bytes * 8), mFile); + fwrite16le(static_cast<ushort>(bytes * 8), mFile); // 16-bit val, extra byte count fwrite16le(22, mFile); // 16-bit val, valid bits per sample - fwrite16le(static_cast<ALushort>(bytes * 8), mFile); + fwrite16le(static_cast<ushort>(bytes * 8), mFile); // 32-bit val, channel mask fwrite32le(chanmask, mFile); // 16 byte GUID, sub-type format @@ -326,27 +327,26 @@ bool WaveBackend::reset() } mDataStart = ftell(mFile); - SetDefaultWFXChannelOrder(mDevice); + setDefaultWFXChannelOrder(); - const ALuint bufsize{mDevice->frameSizeFromFmt() * mDevice->UpdateSize}; + const uint bufsize{mDevice->frameSizeFromFmt() * mDevice->UpdateSize}; mBuffer.resize(bufsize); return true; } -bool WaveBackend::start() +void WaveBackend::start() { + if(mDataStart > 0 && fseek(mFile, 0, SEEK_END) != 0) + WARN("Failed to seek on output file\n"); try { mKillNow.store(false, std::memory_order_release); mThread = std::thread{std::mem_fn(&WaveBackend::mixerProc), this}; - return true; } catch(std::exception& e) { - ERR("Failed to start mixing thread: %s\n", e.what()); - } - catch(...) { + throw al::backend_exception{al::backend_error::DeviceError, + "Failed to start mixing thread: %s", e.what()}; } - return false; } void WaveBackend::stop() @@ -355,14 +355,17 @@ void WaveBackend::stop() return; mThread.join(); - long size{ftell(mFile)}; - if(size > 0) + if(mDataStart > 0) { - long dataLen{size - mDataStart}; - if(fseek(mFile, mDataStart-4, SEEK_SET) == 0) - fwrite32le(static_cast<ALuint>(dataLen), mFile); // 'data' header len - if(fseek(mFile, 4, SEEK_SET) == 0) - fwrite32le(static_cast<ALuint>(size-8), mFile); // 'WAVE' header len + long size{ftell(mFile)}; + if(size > 0) + { + long dataLen{size - mDataStart}; + if(fseek(mFile, 4, SEEK_SET) == 0) + fwrite32le(static_cast<uint>(size-8), mFile); // 'WAVE' header len + if(fseek(mFile, mDataStart-4, SEEK_SET) == 0) + fwrite32le(static_cast<uint>(dataLen), mFile); // 'data' header len + } } } @@ -375,20 +378,22 @@ bool WaveBackendFactory::init() bool WaveBackendFactory::querySupport(BackendType type) { return type == BackendType::Playback; } -void WaveBackendFactory::probe(DevProbe type, std::string *outnames) +std::string WaveBackendFactory::probe(BackendType type) { + std::string outnames; switch(type) { - case DevProbe::Playback: - /* Includes null char. */ - outnames->append(waveDevice, sizeof(waveDevice)); - break; - case DevProbe::Capture: - break; + case BackendType::Playback: + /* Includes null char. */ + outnames.append(waveDevice, sizeof(waveDevice)); + break; + case BackendType::Capture: + break; } + return outnames; } -BackendPtr WaveBackendFactory::createBackend(ALCdevice *device, BackendType type) +BackendPtr WaveBackendFactory::createBackend(DeviceBase *device, BackendType type) { if(type == BackendType::Playback) return BackendPtr{new WaveBackend{device}}; |