diff options
Diffstat (limited to 'platform/iphone/audio_driver_iphone.cpp')
| -rw-r--r-- | platform/iphone/audio_driver_iphone.cpp | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/platform/iphone/audio_driver_iphone.cpp b/platform/iphone/audio_driver_iphone.cpp deleted file mode 100644 index dbc5bdb654..0000000000 --- a/platform/iphone/audio_driver_iphone.cpp +++ /dev/null @@ -1,187 +0,0 @@ -/*************************************************************************/ -/* audio_driver_iphone.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2017 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_iphone.h" - -Error AudioDriverIphone::init() { - - active = false; - channels = 2; - - AudioStreamBasicDescription strdesc; - strdesc.mFormatID = kAudioFormatLinearPCM; - strdesc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked; - strdesc.mChannelsPerFrame = channels; - strdesc.mSampleRate = 44100; - strdesc.mFramesPerPacket = 1; - strdesc.mBitsPerChannel = 16; - strdesc.mBytesPerFrame = - strdesc.mBitsPerChannel * strdesc.mChannelsPerFrame / 8; - strdesc.mBytesPerPacket = - strdesc.mBytesPerFrame * strdesc.mFramesPerPacket; - - AURenderCallbackStruct callback; - AudioComponentDescription desc; - const AudioUnitElement output_bus = 0; - const AudioUnitElement bus = output_bus; - const AudioUnitScope scope = kAudioUnitScope_Input; - - zeromem(&desc, sizeof(desc)); - desc.componentType = kAudioUnitType_Output; - desc.componentSubType = kAudioUnitSubType_RemoteIO; /* !!! FIXME: ? */ - AudioComponent comp = AudioComponentFindNext(NULL, &desc); - desc.componentManufacturer = kAudioUnitManufacturer_Apple; - - OSStatus result = AudioComponentInstanceNew(comp, &audio_unit); - ERR_FAIL_COND_V(result != noErr, FAILED); - ERR_FAIL_COND_V(comp == NULL, FAILED); - - result = AudioUnitSetProperty(audio_unit, - kAudioUnitProperty_StreamFormat, - scope, bus, &strdesc, sizeof(strdesc)); - ERR_FAIL_COND_V(result != noErr, FAILED); - - zeromem(&callback, sizeof(AURenderCallbackStruct)); - callback.inputProc = &AudioDriverIphone::output_callback; - callback.inputProcRefCon = this; - result = AudioUnitSetProperty(audio_unit, - kAudioUnitProperty_SetRenderCallback, - scope, bus, &callback, sizeof(callback)); - ERR_FAIL_COND_V(result != noErr, FAILED); - - result = AudioUnitInitialize(audio_unit); - ERR_FAIL_COND_V(result != noErr, FAILED); - - result = AudioOutputUnitStart(audio_unit); - ERR_FAIL_COND_V(result != noErr, FAILED); - - const int samples = 1024; - samples_in = memnew_arr(int32_t, samples); // whatever - buffer_frames = samples / channels; - - return FAILED; -}; - -OSStatus AudioDriverIphone::output_callback(void *inRefCon, - AudioUnitRenderActionFlags *ioActionFlags, - const AudioTimeStamp *inTimeStamp, - UInt32 inBusNumber, UInt32 inNumberFrames, - AudioBufferList *ioData) { - - AudioBuffer *abuf; - AudioDriverIphone *ad = (AudioDriverIphone *)inRefCon; - - bool mix = true; - - if (!ad->active) - mix = false; - else if (ad->mutex) { - mix = ad->mutex->try_lock() == OK; - }; - - if (!mix) { - for (unsigned int i = 0; i < ioData->mNumberBuffers; i++) { - abuf = &ioData->mBuffers[i]; - zeromem(abuf->mData, abuf->mDataByteSize); - }; - return 0; - }; - - int frames_left; - - for (unsigned int i = 0; i < ioData->mNumberBuffers; i++) { - - abuf = &ioData->mBuffers[i]; - frames_left = inNumberFrames; - int16_t *out = (int16_t *)abuf->mData; - - while (frames_left) { - - int frames = MIN(frames_left, ad->buffer_frames); - //ad->lock(); - ad->audio_server_process(frames, ad->samples_in); - //ad->unlock(); - - for (int i = 0; i < frames * ad->channels; i++) { - - out[i] = ad->samples_in[i] >> 16; - } - - frames_left -= frames; - out += frames * ad->channels; - }; - }; - - if (ad->mutex) - ad->mutex->unlock(); - - return 0; -}; - -void AudioDriverIphone::start() { - active = true; - // Resume audio - // iOS audio-thread stoped if it is interrupted cause by an incoming phone call - // Use AudioOutputUnitStart to re-create audio-thread - OSStatus result = AudioOutputUnitStart(audio_unit); - ERR_FAIL_COND(result != noErr); -}; - -int AudioDriverIphone::get_mix_rate() const { - return 44100; -}; - -AudioDriver::SpeakerMode AudioDriverIphone::get_speaker_mode() const { - return SPEAKER_MODE_STEREO; -}; - -void AudioDriverIphone::lock() { - - if (active && mutex) - mutex->lock(); -}; - -void AudioDriverIphone::unlock() { - if (active && mutex) - mutex->unlock(); -}; - -void AudioDriverIphone::finish() { - - memdelete_arr(samples_in); -}; - -AudioDriverIphone::AudioDriverIphone() { - - mutex = Mutex::create(); //NULL; -}; - -AudioDriverIphone::~AudioDriverIphone(){ - -}; |