This commit is contained in:
Kae 2023-07-14 18:29:36 +10:00
parent 3b38825b34
commit 77e14b5941
4 changed files with 32 additions and 31 deletions

View File

@ -349,7 +349,7 @@ void Mixer::read(int16_t* outBuffer, size_t frameCount, ExtraMixFunction extraMi
}
if (extraMixFunction)
extraMixFunction(outBuffer, bufferSize, channels);
extraMixFunction(outBuffer, frameCount, channels);
{
MutexLocker locker(m_effectsMutex);

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@ -3,6 +3,7 @@ SET (OPUS_INSTALL_CMAKE_CONFIG_MODULE OFF)
SET (OPUS_X86_MAY_HAVE_AVX OFF)
SET (OPUS_X86_MAY_HAVE_SSE4_1 OFF)
SET (OPUS_STACK_PROTECTOR OFF)
SET (OPUS_ENABLE_FLOAT_API ON)
ADD_SUBDIRECTORY (opus)
INCLUDE_DIRECTORIES (

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@ -145,6 +145,7 @@ Voice::Voice(ApplicationControllerPtr appController) : m_encoder(nullptr, opus_e
Voice::~Voice() {
save();
closeDevice();
s_singleton = nullptr;
}
@ -162,8 +163,8 @@ void Voice::loadJson(Json const& config) {
m_threshold = config.getFloat("threshold", m_threshold);
m_inputVolume = config.getFloat("inputVolume", m_inputVolume);
m_outputVolume = config.getFloat("outputVolume", m_outputVolume);
m_inputMode = VoiceInputModeNames.getLeft(config.getString("inputMode", "pushToTalk"));
m_channelMode = VoiceChannelModeNames.getLeft(config.getString("channelMode", "mono"));
m_inputMode = VoiceInputModeNames.getLeft(config.getString("inputMode", "PushToTalk"));
m_channelMode = VoiceChannelModeNames.getLeft(config.getString("channelMode", "Mono"));
}
@ -239,7 +240,7 @@ void Voice::readAudioData(uint8_t* stream, int len) {
m_capturedChunksFrames += samples / m_deviceChannels;
auto data = (opus_int16*)malloc(len);
memcpy(data, stream, len);
m_capturedChunks.emplace(data, samples);
m_capturedChunks.emplace(data, samples); // takes ownership
}
else { // Clear out any residual data so they don't manifest at the start of the next encode, whenever that is
while (!m_capturedChunks.empty())
@ -248,46 +249,47 @@ void Voice::readAudioData(uint8_t* stream, int len) {
m_capturedChunksFrames = 0;
}
std::vector<opus_int16> takenSamples;
while (m_capturedChunksFrames >= VOICE_FRAME_SIZE) {
takenSamples.clear();
size_t samplesToTake = VOICE_FRAME_SIZE * (size_t)m_deviceChannels;
std::vector<opus_int16> takenSamples;
takenSamples.reserve(samplesToTake);
while (!m_capturedChunks.empty()) {
auto& front = m_capturedChunks.front();
if (front.exhausted())
m_capturedChunks.pop();
else if ((samplesToTake -= front.takeSamples(takenSamples, samplesToTake)) == 0)
break;
else {
samplesToTake -= front.takeSamples(takenSamples, samplesToTake);
if (samplesToTake == 0)
break;
}
}
m_capturedChunksFrames -= VOICE_FRAME_SIZE;
ByteArray encodedData(VOICE_MAX_PACKET_SIZE, 0);
float vol = m_inputVolume;
if (m_inputVolume != 1.0f) {
for (size_t i = 0; i != takenSamples.size(); ++i)
takenSamples[i] *= m_inputVolume;
}
if (opus_int32 size = opus_encode(m_encoder.get(), takenSamples.data(), VOICE_FRAME_SIZE, (unsigned char*)encodedData.ptr(), VOICE_MAX_PACKET_SIZE)) {
if (size == 1)
continue;
encodedData.resize(size);
ByteArray encodedData(VOICE_MAX_FRAME_SIZE, 0);
opus_int32 encodedSize = opus_encode(m_encoder.get(), takenSamples.data(), VOICE_FRAME_SIZE, (unsigned char*)encodedData.ptr(), encodedData.size());
if (encodedSize == 1)
continue;
else if (encodedSize < 0)
Logger::error("Voice: Opus encode error {}", opus_strerror(encodedSize));
else {
encodedData.resize(encodedSize);
MutexLocker lock(m_captureMutex);
m_encodedChunks.emplace_back(move(encodedData)); // reset takes ownership of data buffer
m_encodedChunksLength += size;
Logger::info("Voice: encoded Opus chunk {} bytes big", size);
}
else if (size < 0) {
Logger::error("Voice: Opus encode error {}", opus_strerror(size));
m_encodedChunksLength += encodedSize;
Logger::info("Voice: encoded Opus chunk {} bytes big", encodedSize);
}
}
}
void Voice::mix(int16_t* buffer, size_t samples, unsigned channels) {
void Voice::mix(int16_t* buffer, size_t frameCount, unsigned channels) {
size_t samples = frameCount * channels;
static std::vector<int16_t> finalMixBuffer{};
static std::vector<int32_t> voiceMixBuffer{};
finalMixBuffer.resize(samples);
@ -326,7 +328,7 @@ void Voice::mix(int16_t* buffer, size_t samples, unsigned channels) {
float vol = m_outputVolume;
for (size_t i = 0; i != samples; ++i)
finBuf[i] = (int16_t)std::clamp<int>(mixBuf[i] * vol, INT16_MIN, INT16_MAX);
finBuf[i] = (int16_t)clamp<int>(mixBuf[i] * vol, INT16_MIN, INT16_MAX);
SDL_MixAudioFormat((Uint8*)buffer, (Uint8*)finBuf, AUDIO_S16, samples * sizeof(int16_t), SDL_MIX_MAXVOLUME);
}
@ -344,7 +346,7 @@ void Voice::update(PositionalAttenuationFunction positionalAttenuationFunction)
}
}
if (Time::monotonicMilliseconds() > m_nextSaveTime) {
if (m_nextSaveTime && Time::monotonicMilliseconds() > m_nextSaveTime) {
m_nextSaveTime = 0;
save();
}
@ -365,7 +367,7 @@ int Voice::send(DataStreamBuffer& out, size_t budget) {
out.write<uint16_t>(VOICE_VERSION);
MutexLocker captureLock(m_captureMutex);
if (!m_encoder || m_capturedChunks.empty())
if (m_capturedChunks.empty())
return 0;
std::vector<ByteArray> encodedChunks = move(m_encodedChunks);
@ -420,6 +422,8 @@ bool Voice::receive(SpeakerPtr speaker, std::string_view view) {
throw VoiceException(strf("Decoder error: {}", opus_strerror(samples)), false);
}
Logger::info("Voice: decoded Opus chunk {} bytes big", opusLength);
static auto getCVT = [](int channels) -> SDL_AudioCVT {
SDL_AudioCVT cvt;
SDL_BuildAudioCVT(&cvt, AUDIO_S16SYS, channels, VOICE_SAMPLE_RATE, AUDIO_S16, 2, 44100);
@ -478,8 +482,6 @@ void Voice::resetEncoder() {
void Voice::openDevice() {
closeDevice();
m_applicationController->openAudioInputDevice(
m_deviceName ? m_deviceName->utf8Ptr() : nullptr,
VOICE_SAMPLE_RATE,

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@ -42,7 +42,7 @@ struct VoiceAudioChunk {
}
inline size_t takeSamples(std::vector<int16_t>& out, size_t count) {
size_t toRead = std::min<size_t>(count, remaining);
size_t toRead = min<size_t>(count, remaining);
int16_t* start = data.get() + offset;
out.insert(out.end(), start, start + toRead);
offset += toRead;
@ -133,9 +133,7 @@ public:
// Must be called every frame with input state, expires after 1s.
void setInput(bool input = true);
inline int encoderChannels() const {
return m_channelMode == VoiceChannelMode::Mono ? 1 : 2;
}
inline int encoderChannels() const { return (int)m_channelMode; }
private:
static Voice* s_singleton;