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Diffstat (limited to 'platform/winrt/audio_driver_winrt.h')
| -rw-r--r-- | platform/winrt/audio_driver_winrt.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/platform/winrt/audio_driver_winrt.h b/platform/winrt/audio_driver_winrt.h new file mode 100644 index 0000000000..d7a69994f8 --- /dev/null +++ b/platform/winrt/audio_driver_winrt.h @@ -0,0 +1,109 @@ +/*************************************************************************/ +/* audio_driver_winrt.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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. */ +/*************************************************************************/ +#ifndef AUDIO_DRIVER_WINRT_H +#define AUDIO_DRIVER_WINRT_H + +#include "servers/audio/audio_server_sw.h" + +#include "core/os/thread.h" +#include "core/os/mutex.h" + +#include <windows.h> +#include <mmsystem.h> +#include <mmreg.h> +#include <xaudio2.h> +#include <wrl/client.h> + +class AudioDriverWinRT : public AudioDriverSW { + + enum { + AUDIO_BUFFERS = 2 + }; + + struct XAudio2DriverVoiceCallback : public IXAudio2VoiceCallback { + + HANDLE buffer_end_event; + XAudio2DriverVoiceCallback() : buffer_end_event(CreateEvent(NULL, FALSE, FALSE, NULL)) {} + void STDMETHODCALLTYPE OnBufferEnd(void* pBufferContext) { /*print_line("buffer ended");*/ SetEvent(buffer_end_event); } + + //Unused methods are stubs + void STDMETHODCALLTYPE OnStreamEnd() { } + void STDMETHODCALLTYPE OnVoiceProcessingPassEnd() { } + void STDMETHODCALLTYPE OnVoiceProcessingPassStart(UINT32 SamplesRequired) { } + void STDMETHODCALLTYPE OnBufferStart(void * pBufferContext) { } + void STDMETHODCALLTYPE OnLoopEnd(void * pBufferContext) { } + void STDMETHODCALLTYPE OnVoiceError(void * pBufferContext, HRESULT Error) { } + + }; + + Thread* thread; + Mutex* mutex; + + int32_t* samples_in; + int16_t* samples_out[AUDIO_BUFFERS]; + + static void thread_func(void* p_udata); + int buffer_size; + + unsigned int mix_rate; + OutputFormat output_format; + + int channels; + + bool active; + bool thread_exited; + mutable bool exit_thread; + bool pcm_open; + + WAVEFORMATEX wave_format; + Microsoft::WRL::ComPtr<IXAudio2> xaudio; + int current_buffer; + IXAudio2MasteringVoice* mastering_voice; + XAUDIO2_BUFFER xaudio_buffer[AUDIO_BUFFERS]; + IXAudio2SourceVoice* source_voice; + XAudio2DriverVoiceCallback* voice_callback; + +public: + + const char* get_name() const; + + virtual Error init(); + virtual void start(); + virtual int get_mix_rate() const; + virtual OutputFormat get_output_format() const; + virtual float get_latency(); + virtual void lock(); + virtual void unlock(); + virtual void finish(); + + AudioDriverWinRT(); + ~AudioDriverWinRT(); +}; + +#endif |