diff options
Diffstat (limited to 'src/libjin/audio/sdl')
| -rw-r--r-- | src/libjin/audio/sdl/audio.cpp | 121 | ||||
| -rw-r--r-- | src/libjin/audio/sdl/audio.h | 68 | ||||
| -rw-r--r-- | src/libjin/audio/sdl/source.cpp | 399 | ||||
| -rw-r--r-- | src/libjin/audio/sdl/source.h | 116 |
4 files changed, 0 insertions, 704 deletions
diff --git a/src/libjin/audio/sdl/audio.cpp b/src/libjin/audio/sdl/audio.cpp deleted file mode 100644 index 47d8cf8..0000000 --- a/src/libjin/audio/sdl/audio.cpp +++ /dev/null @@ -1,121 +0,0 @@ -#include "../../modules.h" -#if JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO - -#include <iostream> -#include "audio.h" -#include "source.h" -#include "../../math/math.h" -#include "../../utils/log.h" - -namespace jin -{ -namespace audio -{ - - /* עcallbackƵ̵߳ */ - static void defaultCallback(void *userdata, Uint8 *stream, int size) - { - static SDLAudio* audio = static_cast<SDLAudio*>(userdata); - audio->lock(); - audio->processCommands(); - audio->processSources(stream, size); - audio->unlock(); - } - - onlyonce bool SDLAudio::initSystem(const SettingBase* s) - { - Loghelper::log(Loglevel::LV_INFO, "Init Audio System"); - - if (SDL_Init(SDL_INIT_AUDIO) < 0) - return false; - SDL_AudioSpec spec; - Setting* setting = (Setting*)s; - if (setting == nullptr) - return false; - - unsigned int samplerate = setting->samplerate; - unsigned int samples = clamp(setting->samples, 1, setting->samplerate); - - spec.freq = samplerate; // ÿsample,õ 11025, 22050, 44100 and 48000 Hz. - spec.format = AUDIO_S16SYS; // signed 16-bit samples in native byte order - spec.channels = SDLAUDIO_CHANNELS; // - spec.samples = samples; // ÿβʱһã=setting->samplerateÿֻ1 - spec.userdata = this; - spec.callback = defaultCallback; - - audioDevice = SDL_OpenAudioDevice(NULL, 0, &spec, NULL, 0); - if (audioDevice == 0) - return false; - /* start audio */ - SDL_PauseAudioDevice(audioDevice, 0); - return true; - } - - onlyonce void SDLAudio::quitSystem() - { - SDL_CloseAudio(); - } - - void SDLAudio::lock() - { - SDL_LockAudioDevice(audioDevice); - } - - void SDLAudio::unlock() - { - SDL_UnlockAudioDevice(audioDevice); - } - - void SDLAudio::processCommands() - { - SDLSourceManager::get()->processCommands(); - } - - void SDLAudio::processSources(void* buffer, size_t len) - { - SDLSourceManager::get()->processSources(buffer, len); - } - - void SDLAudio::play() {} - - void SDLAudio::stop() {} - - bool SDLAudio::pause() - { - return false; - } - - bool SDLAudio::pause(Source* source) - { - return false; - } - - bool SDLAudio::resume() - { - return false; - } - - bool SDLAudio::resume(Source* source) - { - return false; - } - - void SDLAudio::rewind() - { - - } - - void SDLAudio::setVolume(float volume) - { - - } - - float SDLAudio::getVolume() - { - return 0.f; - } - -} -} - -#endif // JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO
\ No newline at end of file diff --git a/src/libjin/audio/sdl/audio.h b/src/libjin/audio/sdl/audio.h deleted file mode 100644 index 6da6605..0000000 --- a/src/libjin/audio/sdl/audio.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef __JIN_AUDIO_SDL_H -#define __JIN_AUDIO_SDL_H -#include "../../modules.h" -#if JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO - -#include <vector> -#include "../audio.h" - -namespace jin -{ -namespace audio -{ - -#define SDLAUDIO_BITDEPTH 16 -#define SDLAUDIO_BYTEDEPTH (SDLAUDIO_BITDEPTH >> 3) -#define SDLAUDIO_CHANNELS 2 - - class SDLAudio : public AudioSystem<SDLAudio> - { - - public: - - struct Setting : SettingBase - { - public: - int samplerate; // Ƶ - int samples; // sample<=samplerate - }; - - /* IAudio interface */ - void play() override; - void stop() override; - bool pause() override; - bool pause(Source* source) override; - bool resume() override; - bool resume(Source* source) override; - void rewind() override; - void setVolume(float volume) override; - float getVolume() override; - - /* process functions*/ - void processCommands(); - void processSources(void* buffer, size_t len); - - void lock(); - void unlock(); - - private: - - SDLAudio() {}; - ~SDLAudio() {}; - - SINGLETON(SDLAudio); - - onlyonce bool initSystem(const SettingBase* setting) override; - onlyonce void quitSystem() override; - - unsigned int audioDevice; - - }; - - typedef SDLAudio::Setting SDLAudioSetting; - -} -} - -#endif // JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO -#endif
\ No newline at end of file diff --git a/src/libjin/audio/sdl/source.cpp b/src/libjin/audio/sdl/source.cpp deleted file mode 100644 index 0eedbba..0000000 --- a/src/libjin/audio/sdl/source.cpp +++ /dev/null @@ -1,399 +0,0 @@ -#include "../../modules.h" -#if JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO - -#include <exception> -#include <fstream> - -#include "../../math/math.h" -#include "../../utils/macros.h" -#include "source.h" -#include "3rdparty/wav/wav.h" -#define STB_VORBIS_HEADER_ONLY -#include "3rdparty/stb/stb_vorbis.c" - -#include "audio.h" - -namespace jin -{ -namespace audio -{ - -#define BITS 8 - - typedef struct SDLSourceCommand - { - typedef enum Action - { - Nothing = 0, - Play, - Stop, - Pause, - Resume, - Rewind, - SetVolume, - SetLoop, - SetRate, - }; - Action action; - union { - int _integer; - float _float; - bool _boolean; - const char* _string; - } parameter; - - SDLSource* source; - }; - - typedef enum CHANNEL - { - MONO = 1, // - STEREO = 2, // - }; - - typedef MASK enum STATUS - { - PLAYING = 1, - PAUSED = 2, - STOPPED = 4 - }; - -#define Command SDLSourceCommand -#define Action Command::Action -#define Manager SDLSourceManager - - shared std::queue<Command*> Manager::commands; - shared std::stack<Command*> Manager::commandsPool; - shared std::vector<SDLSource*> Manager::sources; - shared Manager* Manager::manager = nullptr; - - SDLSource* SDLSource::createSource(const char* file) - { - std::ifstream fs; - fs.open(file, std::ios::binary); - if (!fs.is_open()) - { - fs.close(); - return nullptr; - } - fs.seekg(0,std::ios::end); - int size = fs.tellg(); - fs.seekg(0, std::ios::beg); - char* buffer = (char*)malloc(size); - memset(buffer, 0, size); - fs.read(buffer, size); - fs.close(); - SDLSource* source = createSource(buffer, size); - free(buffer); - return source; - } - - SDLSource* SDLSource::createSource(void* mem, size_t size) - { - if (mem == nullptr) - return nullptr; - SDLSource* source = new SDLSource(); - try - { - SourceType format = getType(mem, size); - switch (format) - { - case OGG: source->decode_ogg(mem, size); break; - case WAV: source->decode_wav(mem, size); break; - } - } - catch (SourceException& exp) - { - delete source; - return nullptr; - }; - return source; - } - - SDLSource::SDLSource() - { - memset(&status, 0, sizeof(status)); - memset(&raw, 0, sizeof(raw)); - } - - SDLSource::~SDLSource() - { - delete raw.data; - raw.end = 0; - raw.data = 0; - } - - void SDLSource::decode_wav(void* mem, int size) - { - wav_t wav; - if (wav_read(&wav, mem, size) == 0) - { - raw.data = wav.data; - raw.length = wav.length * wav.bitdepth / 8; - raw.end = (char*)raw.data + raw.length; - raw.samplerate = wav.samplerate; - raw.bitdepth = wav.bitdepth; - raw.samples = raw.length / (wav.bitdepth / 8.f) / wav.channels; - raw.channels = clamp(wav.channels, CHANNEL::MONO, CHANNEL::STEREO); - } - else - throw SourceException(); - } - - void SDLSource::decode_ogg(void* _mem, int size) - { - unsigned char* mem = (unsigned char*)_mem; - int channels; - int samplerate; - short* data = (short*)raw.data; - int samples = stb_vorbis_decode_memory( - mem, - size, - &channels, - &samplerate, - &data - ); - const int bitdepth = sizeof(short) * BITS; - raw.channels = channels; - raw.samplerate = samplerate; - raw.data = data; - raw.samples = samples; - raw.length = samples * channels * sizeof(short); - raw.bitdepth = bitdepth; - raw.end = (char*)data + raw.length; - } - -#define ActionNone(T)\ -do{\ -Command* cmd = Manager::get()->getCommand();\ -cmd->action = Action::T; \ -cmd->source = this; \ -Manager::get()->pushCommand(cmd); \ -} while (0) - -#define ActionArg(T, ARGT, ARG)\ -do{\ -Command* cmd = Manager::get()->getCommand();\ -cmd->action = Action::T; \ -cmd->parameter.ARGT = ARG; \ -cmd->source = this; \ -Manager::get()->pushCommand(cmd); \ -}while(0) - -#define ActionInt(T, INT) ActionArg(T, _integer, INT) -#define ActionFloat(T, FLT) ActionArg(T, _float, FLT) -#define ActionString(T, STR) ActionArg(T, _string, STR) -#define ActionBool(T, BOL) ActionArg(T, _boolean, BOL) - - void SDLSource::play() - { - ActionNone(Play); - } - - void SDLSource::stop() - { - ActionNone(Stop); - } - - void SDLSource::pause() - { - ActionNone(Pause); - } - - void SDLSource::resume() - { - ActionNone(Resume); - } - - void SDLSource::rewind() - { - ActionNone(Rewind); - } - - inline bool SDLSource::isStopped() const - { - return is(STOPPED); - } - - bool SDLSource::isPaused() const - { - return is(PAUSED); - } - - void SDLSource::setPitch(float pitch) - { - } - - void SDLSource::setVolume(float volume) - { - ActionFloat(SetVolume, volume); - } - - bool SDLSource::setLoop(bool loop) - { - ActionBool(SetLoop, loop); - return false; - } - - void SDLSource::setRate(float rate) - { - ActionFloat(SetRate, rate); - } - - inline void SDLSource::handle( - SDLSourceManager* manager, - SDLSourceCommand* cmd - ) - { - switch (cmd->action) - { - case Command::Action::Play: - manager->removeSource(this); - manager->pushSource(this); - status.state = PLAYING; - status.pos = 0; // rewind - break; - case Command::Action::Stop: - manager->removeSource(this); - status.state = STOPPED; - status.pos = 0; // rewind - break; - case Command::Action::Pause: - manager->removeSource(this); - status.state = PAUSED; - break; - case Command::Action::Resume: - manager->removeSource(this); - manager->pushSource(this); - status.state = PLAYING; - break; - case Command::Action::Rewind: - status.state = PLAYING; - status.pos = 0; - break; - case Command::Action::SetVolume: - //float cmd->parameter._float; - break; - case Command::Action::SetLoop: - status.loop = cmd->parameter._boolean; - break; - } - } - - inline void SDLSource::process(void* buf, size_t size) - { - short* buffer = (short*)buf; // AUDIO_S16SYS - unsigned int samples = size / SDLAUDIO_BYTEDEPTH; - short* sample; - short origin; - - const char bitdepth = raw.bitdepth; - const char channles = raw.channels; - - int pos = status.pos; - int pitch = status.pitch; - int state = status.state; - bool loop = status.loop; - int volume = status.volume; - short* clip16 = nullptr; - char* clip8 = nullptr; - int clip = 0; - - if (bitdepth == 8) - clip8 = (char*)raw.data; - else if (bitdepth == 16) - clip16 = (short*)raw.data; - - for (int i = 0; i < samples; i+=2 /*˫*/) - { - /* Ƶļsampleᱻ */ - sample = buffer + i * SDLAUDIO_BYTEDEPTH; - origin = *sample; - if (bitdepth == 8) - { - clip = *clip8; - } - else if (bitdepth == 16) - clip = *clip16; - - } - } - - Manager* Manager::get() - { - return (manager == nullptr ? manager = new Manager() : manager); - } - - shared void Manager::processCommands() - { - Command* cmd = nullptr; - SDLSource* source = nullptr; - while (!commands.empty()) - { - cmd = commands.front(); - if (cmd != nullptr) - { - source = cmd->source; - if (source != nullptr) - source->handle(manager, cmd); - } - commands.pop(); - } - } - - /* AUDIO_S16SYS[size>>1] buffer */ - shared void Manager::processSources(void* buf, size_t size) - { - /* clear render buffer */ - memset(buf, 0, size); - SDLSource* src = nullptr; - std::vector<SDLSource*>::iterator it = sources.begin(); - for (; it != sources.end();) - { - src = *it; - if (src != nullptr) - src->process(buf, size); - ++it; - } - } - - shared void Manager::removeSource(SDLSource* source) - { - std::vector<SDLSource*>::iterator it = sources.begin(); - for (it = sources.begin(); it != sources.end(); ) - { - if (*it == source) - { - it = sources.erase(it); - return; - } - ++it; - } - } - - shared void Manager::pushSource(SDLSource* source) - { - if(source != nullptr) - sources.push_back(source); - } - - shared void Manager::pushCommand(SDLSourceCommand* cmd) - { - commands.push(cmd); - } - - shared Command* Manager::getCommand() - { - if (!commandsPool.empty()) - { - Command* cmd = commandsPool.top(); - commandsPool.pop(); - return cmd; - } - return new Command(); - } - -} -} - -#endif // JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO
\ No newline at end of file diff --git a/src/libjin/audio/sdl/source.h b/src/libjin/audio/sdl/source.h deleted file mode 100644 index 38f7ec4..0000000 --- a/src/libjin/audio/sdl/source.h +++ /dev/null @@ -1,116 +0,0 @@ -#ifndef __JIN_SOURCE_SDL_H -#define __JIN_SOURCE_SDL_H -#include "../../modules.h" -#if JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO - -#include <vector> -#include <queue> -#include <stack> -#include <exception> - -#include "../source.h" - -namespace jin -{ -namespace audio -{ - - typedef struct SDLSourceCommand; - class SDLSourceManager; - - class SDLSource : public Source - { - - public: - - ~SDLSource(); - - static SDLSource* createSource(const char* file); - static SDLSource* createSource(void* mem, size_t size); - - /* ISource interface */ - void play() override; - void stop() override; - void pause() override; - void resume() override; - void rewind() override; - bool isStopped() const override; - bool isPaused() const override; - void setPitch(float pitch) override; - // Ͻ - void setVolume(float volume) override; - bool setLoop(bool loop) override; - void setRate(float rate) override; - - inline void handle(SDLSourceManager* manager, SDLSourceCommand* cmd); - inline void process(void* buffer, size_t size); - - private: - - SDLSource(); - - void decode_wav(void* mem, int size); - void decode_ogg(void* mem, int size); - - inline bool is(int state) const { return (status.state & state) == state; } - - struct - { - const void* data; // Ƶ - int length; // dataֽڳ - const void* end; // dataβ = (unsigned char*)data + size - int samplerate; // Ƶ - unsigned char bitdepth; // ÿsampleıس - int samples; // sample = size / (bitdepth / 8) - unsigned char channels; // channel1(mono)2(stereo) - } raw; - - /* Procedure controller variable */ - struct - { - int pos; // ǰŵsample - int pitch; // pitch - int state; // ǰ״̬ - bool loop; // loop or not - int volume; // - } status; - - }; - - class SDLSourceManager - { - - public: - - static SDLSourceManager* get(); - - /* Process function */ - static void processCommands(); - static void processSources(void* buffer, size_t size); - - static void removeSource(SDLSource* source); - static void pushSource(SDLSource* source); - static SDLSourceCommand* getCommand(); - static void pushCommand(SDLSourceCommand* cmd); - - static SDLSourceManager* manager; - - static std::queue<SDLSourceCommand*> commands; - static std::stack<SDLSourceCommand*> commandsPool; - static std::vector<SDLSource*> sources; // processing sources - - }; - - class SourceException : public std::exception - { - const char * what() const throw () - { - return "Load Source Exception"; - } - }; - -} -} - -#endif // JIN_MODULES_AUDIO && JIN_AUDIO_SDLAUDIO -#endif
\ No newline at end of file |