bsnes/ruby/audio/audio.cpp

301 lines
7.0 KiB
C++

#if defined(AUDIO_ALSA)
#include <ruby/audio/alsa.cpp>
#endif
#if defined(AUDIO_AO)
#include <ruby/audio/ao.cpp>
#endif
#if defined(AUDIO_ASIO)
#include <ruby/audio/asio.cpp>
#endif
#if defined(AUDIO_DIRECTSOUND)
#include <ruby/audio/directsound.cpp>
#endif
#if defined(AUDIO_OPENAL)
#include <ruby/audio/openal.cpp>
#endif
#if defined(AUDIO_OSS)
#include <ruby/audio/oss.cpp>
#endif
#if defined(AUDIO_PULSEAUDIO)
#include <ruby/audio/pulseaudio.cpp>
#endif
#if defined(AUDIO_PULSEAUDIOSIMPLE)
#include <ruby/audio/pulseaudio-simple.cpp>
#endif
#if defined(AUDIO_WASAPI)
#include <ruby/audio/wasapi.cpp>
#endif
#if defined(AUDIO_WAVEOUT)
#include <ruby/audio/waveout.cpp>
#endif
#if defined(AUDIO_XAUDIO2)
#include <ruby/audio/xaudio2.cpp>
#endif
namespace ruby {
auto Audio::setExclusive(bool exclusive) -> bool {
if(instance->exclusive == exclusive) return true;
if(!instance->hasExclusive()) return false;
if(!instance->setExclusive(instance->exclusive = exclusive)) return false;
return true;
}
auto Audio::setContext(uintptr context) -> bool {
if(instance->context == context) return true;
if(!instance->hasContext()) return false;
if(!instance->setContext(instance->context = context)) return false;
return true;
}
auto Audio::setDevice(string device) -> bool {
if(instance->device == device) return true;
if(!instance->hasDevice(device)) return false;
if(!instance->setDevice(instance->device = device)) return false;
return true;
}
auto Audio::setBlocking(bool blocking) -> bool {
if(instance->blocking == blocking) return true;
if(!instance->hasBlocking()) return false;
if(!instance->setBlocking(instance->blocking = blocking)) return false;
for(auto& resampler : resamplers) resampler.reset(instance->frequency);
return true;
}
auto Audio::setDynamic(bool dynamic) -> bool {
if(instance->dynamic == dynamic) return true;
if(!instance->hasDynamic()) return false;
if(!instance->setDynamic(instance->dynamic = dynamic)) return false;
return true;
}
auto Audio::setChannels(uint channels) -> bool {
if(resamplers.size() != channels) {
resamplers.reset();
resamplers.resize(channels);
for(auto& resampler : resamplers) resampler.reset(instance->frequency);
}
if(instance->channels == channels) return true;
if(!instance->hasChannels(channels)) return false;
if(!instance->setChannels(instance->channels = channels)) return false;
return true;
}
auto Audio::setFrequency(uint frequency) -> bool {
if(instance->frequency == frequency) return true;
if(!instance->hasFrequency(frequency)) return false;
if(!instance->setFrequency(instance->frequency = frequency)) return false;
for(auto& resampler : resamplers) resampler.reset(instance->frequency);
return true;
}
auto Audio::setLatency(uint latency) -> bool {
if(instance->latency == latency) return true;
if(!instance->hasLatency(latency)) return false;
if(!instance->setLatency(instance->latency = latency)) return false;
return true;
}
//
auto Audio::clear() -> void {
for(auto& resampler : resamplers) resampler.reset(instance->frequency);
return instance->clear();
}
auto Audio::level() -> double {
return instance->level();
}
auto Audio::output(const double samples[]) -> void {
if(!instance->dynamic) return instance->output(samples);
auto maxDelta = 0.005;
double fillLevel = instance->level();
double dynamicFrequency = ((1.0 - maxDelta) + 2.0 * fillLevel * maxDelta) * instance->frequency;
for(auto& resampler : resamplers) {
resampler.setInputFrequency(dynamicFrequency);
resampler.write(*samples++);
}
while(resamplers.first().pending()) {
double samples[instance->channels];
for(uint n : range(instance->channels)) samples[n] = resamplers[n].read();
instance->output(samples);
}
}
//
auto Audio::create(string driver) -> bool {
self.instance.reset();
if(!driver) driver = optimalDriver();
#if defined(AUDIO_ALSA)
if(driver == "ALSA") self.instance = new AudioALSA(*this);
#endif
#if defined(AUDIO_AO)
if(driver == "libao") self.instance = new AudioAO(*this);
#endif
#if defined(AUDIO_ASIO)
if(driver == "ASIO") self.instance = new AudioASIO(*this);
#endif
#if defined(AUDIO_DIRECTSOUND)
if(driver == "DirectSound 7.0") self.instance = new AudioDirectSound(*this);
#endif
#if defined(AUDIO_OPENAL)
if(driver == "OpenAL") self.instance = new AudioOpenAL(*this);
#endif
#if defined(AUDIO_OSS)
if(driver == "OSS") self.instance = new AudioOSS(*this);
#endif
#if defined(AUDIO_PULSEAUDIO)
if(driver == "PulseAudio") self.instance = new AudioPulseAudio(*this);
#endif
#if defined(AUDIO_PULSEAUDIOSIMPLE)
if(driver == "PulseAudio Simple") self.instance = new AudioPulseAudioSimple(*this);
#endif
#if defined(AUDIO_WASAPI)
if(driver == "WASAPI") self.instance = new AudioWASAPI(*this);
#endif
#if defined(AUDIO_WAVEOUT)
if(driver == "waveOut") self.instance = new AudioWaveOut(*this);
#endif
#if defined(AUDIO_XAUDIO2)
if(driver == "XAudio 2.1") self.instance = new AudioXAudio2(*this);
#endif
if(!self.instance) self.instance = new AudioDriver(*this);
return self.instance->create();
}
auto Audio::hasDrivers() -> vector<string> {
return {
#if defined(AUDIO_ASIO)
"ASIO",
#endif
#if defined(AUDIO_WASAPI)
"WASAPI",
#endif
#if defined(AUDIO_XAUDIO2)
"XAudio 2.1",
#endif
#if defined(AUDIO_DIRECTSOUND)
"DirectSound 7.0",
#endif
#if defined(AUDIO_WAVEOUT)
"waveOut",
#endif
#if defined(AUDIO_ALSA)
"ALSA",
#endif
#if defined(AUDIO_OSS)
"OSS",
#endif
#if defined(AUDIO_OPENAL)
"OpenAL",
#endif
#if defined(AUDIO_PULSEAUDIO)
"PulseAudio",
#endif
#if defined(AUDIO_PULSEAUDIOSIMPLE)
"PulseAudio Simple",
#endif
#if defined(AUDIO_AO)
"libao",
#endif
"None"};
}
auto Audio::optimalDriver() -> string {
#if defined(AUDIO_WASAPI)
return "WASAPI";
#elif defined(AUDIO_ASIO)
return "ASIO";
#elif defined(AUDIO_XAUDIO2)
return "XAudio 2.1";
#elif defined(AUDIO_DIRECTSOUND)
return "DirectSound 7.0";
#elif defined(AUDIO_WAVEOUT)
return "waveOut";
#elif defined(AUDIO_ALSA)
return "ALSA";
#elif defined(AUDIO_OSS)
return "OSS";
#elif defined(AUDIO_OPENAL)
return "OpenAL";
#elif defined(AUDIO_PULSEAUDIO)
return "PulseAudio";
#elif defined(AUDIO_PULSEAUDIOSIMPLE)
return "PulseAudio Simple";
#elif defined(AUDIO_AO)
return "libao";
#else
return "None";
#endif
}
auto Audio::safestDriver() -> string {
#if defined(AUDIO_WAVEOUT)
return "waveOut";
#elif defined(AUDIO_DIRECTSOUND)
return "DirectSound 7.0";
#elif defined(AUDIO_WASAPI)
return "WASAPI";
#elif defined(AUDIO_XAUDIO2)
return "XAudio 2.1";
#elif defined(AUDIO_ALSA)
return "ALSA";
#elif defined(AUDIO_OSS)
return "OSS";
#elif defined(AUDIO_OPENAL)
return "OpenAL";
#elif defined(AUDIO_PULSEAUDIO)
return "PulseAudio";
#elif defined(AUDIO_PULSEAUDIOSIMPLE)
return "PulseAudio Simple";
#elif defined(AUDIO_AO)
return "libao";
#elif defined(AUDIO_ASIO)
return "ASIO";
#else
return "None";
#endif
}
}