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v114.5

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* improved appended firmware detection [devinacker]
* added dynamic rate control support to ALSA and PulseAudio drivers [RedDwarf]
* added option to use native file dialogs
This commit is contained in:
byuu
2020-02-23 20:23:25 +09:00
parent c13745d753
commit d2211d8818
63 changed files with 1091 additions and 1154 deletions
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23
ruby/audio/pulseaudio.cpp
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@@ -15,6 +15,7 @@ struct AudioPulseAudio : AudioDriver {
auto ready() -> bool override { return _ready; }
auto hasBlocking() -> bool override { return true; }
auto hasDynamic() -> bool override { return true; }
auto hasFrequencies() -> vector<uint> override {
return {44100, 48000, 96000};
@@ -28,6 +29,12 @@ struct AudioPulseAudio : AudioDriver {
auto setFrequency(uint frequency) -> bool override { return initialize(); }
auto setLatency(uint latency) -> bool override { return initialize(); }
auto level() -> double override {
pa_mainloop_iterate(_mainLoop, 0, nullptr);
auto length = pa_stream_writable_size(_stream);
return (double)(_bufferSize - length) / _bufferSize;
}
auto output(const double samples[]) -> void override {
pa_stream_begin_write(_stream, (void**)&_buffer, &_period);
_buffer[_offset] = (uint16_t)sclamp<16>(samples[0] * 32767.0) << 0;
@@ -35,13 +42,8 @@ struct AudioPulseAudio : AudioDriver {
if((++_offset + 1) * pa_frame_size(&_specification) <= _period) return;
while(true) {
if(_first) {
_first = false;
pa_mainloop_iterate(_mainLoop, 0, nullptr);
} else {
pa_mainloop_iterate(_mainLoop, 1, nullptr);
}
uint length = pa_stream_writable_size(_stream);
pa_mainloop_iterate(_mainLoop, 0, nullptr);
auto length = pa_stream_writable_size(_stream);
if(length >= _offset * pa_frame_size(&_specification)) break;
if(!self.blocking) {
_offset = 0;
@@ -91,9 +93,10 @@ private:
if(!PA_STREAM_IS_GOOD(streamState)) return false;
} while(streamState != PA_STREAM_READY);
_period = 960;
pa_buffer_attr* attributes = pa_stream_get_buffer_attr(_stream);
_period = attributes->minreq;
_bufferSize = attributes->tlength;
_offset = 0;
_first = true;
return _ready = true;
}
@@ -127,11 +130,11 @@ private:
uint32_t* _buffer = nullptr;
size_t _period = 0;
size_t _bufferSize = 0;
uint _offset = 0;
pa_mainloop* _mainLoop = nullptr;
pa_context* _context = nullptr;
pa_stream* _stream = nullptr;
pa_sample_spec _specification;
bool _first = true;
};