diff options
Diffstat (limited to 'drivers/rtaudio/audio_driver_rtaudio.cpp')
-rw-r--r-- | drivers/rtaudio/audio_driver_rtaudio.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/drivers/rtaudio/audio_driver_rtaudio.cpp b/drivers/rtaudio/audio_driver_rtaudio.cpp deleted file mode 100644 index e45621d70f..0000000000 --- a/drivers/rtaudio/audio_driver_rtaudio.cpp +++ /dev/null @@ -1,205 +0,0 @@ -/*************************************************************************/ -/* audio_driver_rtaudio.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "audio_driver_rtaudio.h" - -#include "core/os/os.h" -#include "core/project_settings.h" - -#ifdef RTAUDIO_ENABLED - -const char *AudioDriverRtAudio::get_name() const { - -#ifdef OSX_ENABLED - return "RtAudio-OSX"; -#elif defined(UNIX_ENABLED) - return "RtAudio-ALSA"; -#elif defined(WINDOWS_ENABLED) - return "RtAudio-DirectSound"; -#else - return "RtAudio-None"; -#endif -} - -int AudioDriverRtAudio::callback(void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames, double streamTime, RtAudioStreamStatus status, void *userData) { - - if (status) { - if (status & RTAUDIO_INPUT_OVERFLOW) { - WARN_PRINT("RtAudio input overflow!"); - } - if (status & RTAUDIO_OUTPUT_UNDERFLOW) { - WARN_PRINT("RtAudio output underflow!"); - } - } - int32_t *buffer = (int32_t *)outputBuffer; - - AudioDriverRtAudio *self = (AudioDriverRtAudio *)userData; - - if (self->mutex->try_lock() != OK) { - // what should i do.. - for (unsigned int i = 0; i < nBufferFrames; i++) - buffer[i] = 0; - - return 0; - } - - self->audio_server_process(nBufferFrames, buffer); - - self->mutex->unlock(); - - return 0; -} - -Error AudioDriverRtAudio::init() { - - active = false; - mutex = Mutex::create(true); - dac = memnew(RtAudio); - - ERR_EXPLAIN("Cannot initialize RtAudio audio driver: No devices present.") - ERR_FAIL_COND_V(dac->getDeviceCount() < 1, ERR_UNAVAILABLE); - - // FIXME: Adapt to the OutputFormat -> SpeakerMode change - /* - String channels = GLOBAL_DEF_RST("audio/output","stereo"); - - if (channels=="5.1") - output_format=OUTPUT_5_1; - else if (channels=="quad") - output_format=OUTPUT_QUAD; - else if (channels=="mono") - output_format=OUTPUT_MONO; - else - output_format=OUTPUT_STEREO; - */ - - RtAudio::StreamParameters parameters; - parameters.deviceId = dac->getDefaultOutputDevice(); - RtAudio::StreamOptions options; - - // set the desired numberOfBuffers - options.numberOfBuffers = 4; - - parameters.firstChannel = 0; - mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE); - - int latency = GLOBAL_DEF("audio/output_latency", DEFAULT_OUTPUT_LATENCY); - unsigned int buffer_frames = closest_power_of_2(latency * mix_rate / 1000); - print_verbose("Audio buffer frames: " + itos(buffer_frames) + " calculated latency: " + itos(buffer_frames * 1000 / mix_rate) + "ms"); - - short int tries = 4; - - while (tries > 0) { - switch (speaker_mode) { - case SPEAKER_MODE_STEREO: parameters.nChannels = 2; break; - case SPEAKER_SURROUND_31: parameters.nChannels = 4; break; - case SPEAKER_SURROUND_51: parameters.nChannels = 6; break; - case SPEAKER_SURROUND_71: parameters.nChannels = 8; break; - }; - - try { - dac->openStream(¶meters, NULL, RTAUDIO_SINT32, mix_rate, &buffer_frames, &callback, this, &options); - active = true; - - break; - } catch (RtAudioError) { - // try with less channels - ERR_PRINT("Unable to open audio, retrying with fewer channels..."); - - switch (speaker_mode) { - case SPEAKER_MODE_STEREO: break; // Required to silence unhandled enum value warning. - case SPEAKER_SURROUND_31: speaker_mode = SPEAKER_MODE_STEREO; break; - case SPEAKER_SURROUND_51: speaker_mode = SPEAKER_SURROUND_31; break; - case SPEAKER_SURROUND_71: speaker_mode = SPEAKER_SURROUND_51; break; - } - - tries--; - } - } - - return active ? OK : ERR_UNAVAILABLE; -} - -int AudioDriverRtAudio::get_mix_rate() const { - - return mix_rate; -} - -AudioDriver::SpeakerMode AudioDriverRtAudio::get_speaker_mode() const { - - return speaker_mode; -} - -void AudioDriverRtAudio::start() { - - if (active) - dac->startStream(); -} - -void AudioDriverRtAudio::lock() { - - if (mutex) - mutex->lock(); -} - -void AudioDriverRtAudio::unlock() { - - if (mutex) - mutex->unlock(); -} - -void AudioDriverRtAudio::finish() { - - lock(); - if (active && dac->isStreamOpen()) { - dac->closeStream(); - active = false; - } - unlock(); - - if (mutex) { - memdelete(mutex); - mutex = NULL; - } - if (dac) { - memdelete(dac); - dac = NULL; - } -} - -AudioDriverRtAudio::AudioDriverRtAudio() : - speaker_mode(SPEAKER_MODE_STEREO), - mutex(NULL), - dac(NULL), - mix_rate(DEFAULT_MIX_RATE), - active(false) { -} - -#endif |