32 [[nodiscard]]
const std::string&
getName()
const {
return name; }
37 [[nodiscard]] std::string_view
getDescription()
const {
return description; }
62 return {f * softwareVolumeLeft, f * softwareVolumeRight};
91 unsigned numChannels,
unsigned inputRate,
bool stereo);
121 void setInputRate(
unsigned sampleRate) { inputSampleRate = sampleRate; }
122 [[nodiscard]]
unsigned getInputRate()
const {
return inputSampleRate; }
151 EmuTime::param time) = 0;
162 static void addFill(
float*& buffer,
float value,
unsigned num);
191 [[nodiscard]]
bool mixChannels(
float* dataOut,
size_t samples);
199 const std::string name;
202 std::array<std::optional<Wav16Writer>,
MAX_CHANNELS> writer;
204 float softwareVolumeLeft = 1.0f;
205 float softwareVolumeRight = 1.0f;
206 unsigned inputSampleRate;
207 const unsigned numChannels;
208 const unsigned stereo;
209 unsigned numRecordChannels = 0;
210 std::array<int, MAX_CHANNELS> channelBalance;
211 std::array<bool, MAX_CHANNELS> channelMuted;
212 bool balanceCenter =
true;
Represents a clock with a variable frequency.
This class represents a filename.
double getEffectiveSpeed() const
SoundDevice & operator=(const SoundDevice &)=delete
std::string_view getDescription() const
Gets a description of this sound device, to be presented to the user.
virtual bool updateBuffer(size_t length, float *buffer, EmuTime::param time)=0
Generate sample data.
void recordChannel(unsigned channel, const Filename &filename)
void updateStream(EmuTime::param time)
unsigned getInputRate() const
SoundDevice & operator=(SoundDevice &&)=delete
AmplificationFactors getAmplificationFactor() const
const std::string & getName() const
Get the unique name that identifies this sound device.
static void addFill(float *&buffer, float value, unsigned num)
Adds a number of samples that all have the same value.
const DynamicClock & getHostSampleClock() const
See MSXMixer::getHostSampleClock().
SoundDevice(SoundDevice &&)=delete
void setInputRate(unsigned sampleRate)
virtual void setOutputRate(unsigned hostSampleRate, double speed)=0
When a SoundDevice registers itself with the Mixer, the Mixer sets the required sampleRate through th...
void setSoftwareVolume(float volume, EmuTime::param time)
Change the 'software volume' of this sound device.
bool mixChannels(float *dataOut, size_t samples)
Calls generateChannels() and combines the output to a single channel.
static constexpr unsigned MAX_CHANNELS
void unregisterSound()
Unregisters this sound device with the Mixer.
SoundDevice(const SoundDevice &)=delete
bool isStereo() const
Is this a stereo device? This is set in the constructor and cannot be changed anymore.
virtual void generateChannels(std::span< float * > buffers, unsigned num)=0
Abstract method to generate the actual sound data.
void registerSound(const DeviceConfig &config)
Registers this sound device with the Mixer.
void muteChannel(unsigned channel, bool muted)
virtual float getAmplificationFactorImpl() const
Get amplification/attenuation factor for this device.
This file implemented 3 utility functions:
Gets this device its 'amplification factor'.