From 7d5f055547e70fa93ee9ac944e62f8d657b9dc55 Mon Sep 17 00:00:00 2001 From: chai Date: Fri, 19 Oct 2018 08:36:44 +0800 Subject: =?UTF-8?q?*=E4=BF=AE=E6=94=B9=E6=96=87=E4=BB=B6=E5=90=8D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/libjin/Audio/SDL/je_sdl_audio.h | 62 +++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/libjin/Audio/SDL/je_sdl_audio.h (limited to 'src/libjin/Audio/SDL/je_sdl_audio.h') diff --git a/src/libjin/Audio/SDL/je_sdl_audio.h b/src/libjin/Audio/SDL/je_sdl_audio.h new file mode 100644 index 0000000..c64b109 --- /dev/null +++ b/src/libjin/Audio/SDL/je_sdl_audio.h @@ -0,0 +1,62 @@ +#ifndef __LIBJIN_AUDIO_SDL_H +#define __LIBJIN_AUDIO_SDL_H +#include "../../core/je_configuration.h" +#if LIBJIN_MODULES_AUDIO && LIBJIN_AUDIO_SDLAUDIO + +#include + +#include "../je_audio.h" + +#include "je_sdl_source.h" + +namespace jin +{ + namespace audio + { + + #define SDLAUDIO_BITDEPTH 16 + #define SDLAUDIO_BYTEDEPTH (SDLAUDIO_BITDEPTH >> 3) + #define SDLAUDIO_CHANNELS 2 + + class SDLAudio : public Audio + { + public: + struct Setting : SettingBase + { + public: + int samplerate; // 采样频率 + int samples; // 缓冲区的sample数，<=samplerate + }; + + /* IAudio interface */ + void play() override; + void stop() override; + void pause() override; + void resume() override; + void setVolume(float volume) override; + /* process functions*/ + void processCommands(); + void processSources(void* buffer, size_t len); + void processBuffer(void* buffer, size_t len); + bool goOnProcess(); + /* thread-safe */ + void lock(); + void unlock(); + + private: + singleton(SDLAudio); + SDLAudio() {}; + ~SDLAudio() {}; + /* subsystem interface */ + bool initSystem(const SettingBase* setting) override; + void quitSystem() override; + + unsigned int audioDevice; + + }; + + } // namespace audio +} // namespace jin + +#endif // LIBJIN_MODULES_AUDIO && LIBJIN_AUDIO_SDLAUDIO +#endif // __LIBJIN_AUDIO_SDL_H -- cgit v1.1-26-g67d0