diff options
Diffstat (limited to 'mediaplugin/src/mediaplugins/include')
8 files changed, 829 insertions, 0 deletions
diff --git a/mediaplugin/src/mediaplugins/include/core/begin_pack.h b/mediaplugin/src/mediaplugins/include/core/begin_pack.h new file mode 100644 index 00000000..504f2f75 --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/begin_pack.h @@ -0,0 +1,36 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _BEGIN_PACK_H_ +#define _BEGIN_PACK_H_ + +/* + * begin structure packing with 4 byte alignment. + */ +#ifdef _MSC_VER +#pragma warning(disable: 4103) \ +#pragma pack(push,4) +#endif + +#endif /* _BEGIN_PACK_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/end_pack.h b/mediaplugin/src/mediaplugins/include/core/end_pack.h new file mode 100644 index 00000000..f6ee748b --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/end_pack.h @@ -0,0 +1,35 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _END_PACK_H_ +#define _END_PACK_H_ + +/* + * end structure packing at previous byte alignment + */ +#if defined(_MSC_VER) +#pragma pack(pop) +#endif + +#endif /* _END_PACK_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/logger.h b/mediaplugin/src/mediaplugins/include/core/logger.h new file mode 100644 index 00000000..c9924b83 --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/logger.h @@ -0,0 +1,73 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _LOGGER_H_ +#define _LOGGER_H_ + +#include "plugin_core.h" +#include <string> + +#ifdef __cplusplus + +#define logger (Logger::getInstance()) +class Logger { +private: + static Logger _instance; + + Logger() {} + ~Logger() {} + +public: + static const Logger &getInstance() { + return _instance; + } + + void log(log_level level, const std::string &msg, const std::string &context) const { + pluginCore->log(level, msg.c_str(), context.c_str()); + } + + void info(const std::string &msg, const std::string &context) const { + log(INFO, msg, context); + } + + void status(const std::string &msg, const std::string &context) const { + log(STATUS, msg, context); + } + + void warn(const std::string &msg, const std::string &context) const { + log(WARN, msg, context); + } + + void error(const std::string &msg, const std::string &context) const { + log(ERROR, msg, context); + } + + void critical(const std::string &msg, const std::string &context) const { + log(CRITICAL, msg, context); + } +}; + +#endif /* __cplusplus */ + +#endif /* _LOGGER_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h b/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h new file mode 100644 index 00000000..e3a31b26 --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/plugin_audio_convert.h @@ -0,0 +1,69 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _PLUGIN_AUDIO_CONVERT_H_ +#define _PLUGIN_AUDIO_CONVERT_H_ + +#include "util.h" +#include "plugin_core.h" +#include "logger.h" + +#ifdef __cplusplus + +class AudioConvertStream { +protected: + AudioFormatInfo _srcFormatInfo; + AudioFormatInfo _dstFormatInfo; + + AudioConvertStream(const AudioFormatInfo &srcFormatInfo, const AudioFormatInfo &dstFormatInfo) { + _srcFormatInfo = srcFormatInfo; + _dstFormatInfo = dstFormatInfo; + } + +public: + virtual ~AudioConvertStream() {}; + + /** + * Converts the InputBuffer and stores the result in OutputBuffer. + * If the result is not -1, inputSize will be set to the actual number of + * input-buffer bytes used. + * Returns the number of bytes written to the output-buffer or -1 if an error occured. + */ + virtual int convert(uint8_t *inputBuffer, uint8_t *outputBuffer, int &inputSize) = 0; + + /** + * Destination/Source size ratio + */ + virtual double getRatio() = 0; + + /** + * Size of an output buffer needed to store the result of a converted buffer with + * an input size of inputSize bytes. + */ + virtual int getOutputBufferSize(int inputSize) = 0; +}; + +#endif /* __cplusplus */ + +#endif /* _PLUGIN_AUDIO_CONVERT_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/plugin_audio_decode.h b/mediaplugin/src/mediaplugins/include/core/plugin_audio_decode.h new file mode 100644 index 00000000..2385f77c --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/plugin_audio_decode.h @@ -0,0 +1,51 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _PLUGIN_AUDIO_DECODE_H_ +#define _PLUGIN_AUDIO_DECODE_H_ + +#include "util.h" +#include "plugin_core.h" +#include "logger.h" + +#ifdef __cplusplus + +class PluginDecodeStream { +public: + virtual ~PluginDecodeStream() {}; + + virtual double getLength() = 0; + virtual const AudioFormatInfo &getAudioFormatInfo() = 0; + virtual double getPosition() = 0; + virtual void setPosition(double time) = 0; + virtual bool getLoop() = 0; + virtual void setLoop(bool Enabled) = 0; + virtual bool isEOF() = 0; + virtual bool isError() = 0; + virtual int readData(uint8_t *buffer, int bufferSize) = 0; +}; + +#endif /* __cplusplus */ + +#endif /* _PLUGIN_AUDIO_DECODE_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/plugin_core.h b/mediaplugin/src/mediaplugins/include/core/plugin_core.h new file mode 100644 index 00000000..67eca5f7 --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/plugin_core.h @@ -0,0 +1,220 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _PLUGIN_CORE_H_ +#define _PLUGIN_CORE_H_ + +#include "inttypes.h" + +/* + * C Interface + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* declaration for export */ +#if defined(__WIN32__) +# define DECLSPEC_EXPORT __declspec(dllexport) +#else +# if defined(__GNUC__) && __GNUC__ >= 4 +# define DECLSPEC_EXPORT __attribute__ ((visibility("default"))) +# else +# define DECLSPEC_EXPORT +# endif +#endif + +/* use C calling convention */ +#ifndef CDECL +#if defined(__WIN32__) && !defined(__GNUC__) +#define CDECL __cdecl +#else +#define CDECL +#endif +#endif /* CDECL */ + +#define PLUGIN_CALL CDECL + +// VERSION: AAABBBCCC (A: Major, B: Minor, C: Revision) +#define MAKE_VERSION(a,b,c) ((((a) * 1000 + (b)) * 1000) + (c)) + +typedef enum { FALSE , TRUE } BOOL; + +typedef enum log_level { + DEBUG, + INFO, + STATUS, + WARN, + ERROR, + CRITICAL +} log_level; + +typedef struct{} fileStream_t; +typedef struct{} cond_t; +typedef struct{} mutex_t; +typedef struct{} thread_t; + +#define FILE_OPEN_MODE_READ 0x01 +#define FILE_OPEN_MODE_WRITE 0x02 +#define FILE_OPEN_MODE_READ_WRITE (FILE_OPEN_MODE_READ | FILE_OPEN_MODE_WRITE) + +/* returned by condWaitTimeout() if a timeout occurs. */ +#define MUTEX_TIMEDOUT 1 + +typedef struct pluginCore_t { + int version; + + void PLUGIN_CALL (*log)(int level, const char *msg, const char *context); + uint32_t PLUGIN_CALL (*ticksMillis); + + fileStream_t* PLUGIN_CALL (*fileOpen)(const char *utf8Filename, int mode); + void PLUGIN_CALL (*fileClose)(fileStream_t *stream); + int64_t PLUGIN_CALL (*fileRead)(fileStream_t *stream, uint8_t *buf, int size); + int64_t PLUGIN_CALL (*fileWrite)(fileStream_t *stream, const uint8_t *buf, int size); + int64_t PLUGIN_CALL (*fileSeek)(fileStream_t *stream, int64_t pos, int whence); + int64_t PLUGIN_CALL (*fileSize)(fileStream_t *stream); + + thread_t* PLUGIN_CALL (*threadCreate)(int (PLUGIN_CALL *fn)(void *), void *data); + uint32_t PLUGIN_CALL (*threadCurrentID)(); + uint32_t PLUGIN_CALL (*threadGetID)(thread_t *thread); + void PLUGIN_CALL (*threadWait)(thread_t *thread, int *status); + void PLUGIN_CALL (*threadSleep)(uint32_t millisecs); + + mutex_t* PLUGIN_CALL (*mutexCreate)(); + void PLUGIN_CALL (*mutexDestroy)(mutex_t *mutex); + int PLUGIN_CALL (*mutexLock)(mutex_t *mutex); + int PLUGIN_CALL (*mutexUnlock)(mutex_t *mutex); + + cond_t* PLUGIN_CALL (*condCreate)(); + void PLUGIN_CALL (*condDestroy)(cond_t *cond); + int PLUGIN_CALL (*condSignal)(cond_t *cond); + int PLUGIN_CALL (*condBroadcast)(cond_t *cond); + int PLUGIN_CALL (*condWait)(cond_t *cond, mutex_t *mutex); + int PLUGIN_CALL (*condWaitTimeout)(cond_t *cond, mutex_t *mutex, uint32_t ms); +} pluginCore_t; + +typedef enum audioSampleFormat_t { + asfUnknown, // unknown format + asfU8, asfS8, // unsigned/signed 8 bits + asfU16LSB, asfS16LSB, // unsigned/signed 16 bits (endianness: LSB) + asfU16MSB, asfS16MSB, // unsigned/signed 16 bits (endianness: MSB) + asfU16, asfS16, // unsigned/signed 16 bits (endianness: System) + asfS32, // signed 32 bits (endianness: System) + asfFloat, // float + asfDouble // double +} audioSampleFormat_t; + +// Size of one sample (one channel only) in bytes +static const int g_audioSampleSize[] = { + 0, // asfUnknown + 1, 1, // asfU8, asfS8 + 2, 2, // asfU16LSB, asfS16LSB + 2, 2, // asfU16MSB, asfS16MSB + 2, 2, // asfU16, asfS16 + 3, // asfS24 + 4, // asfS32 + 4, // asfFloat +}; + +typedef struct audioFormatInfo_t { + double sampleRate; + uint8_t channels; + audioSampleFormat_t format; +} audioFormatInfo_t; + +typedef struct{} audioDecodeStream_t; +typedef struct{} audioConvertStream_t; +typedef struct{} videoDecodeStream_t; + +typedef struct audioDecoderInfo_t { + int priority; + BOOL PLUGIN_CALL (*init)(); + BOOL PLUGIN_CALL (*finalize)(); + audioDecodeStream_t* PLUGIN_CALL (*open)(const char *filename); + void PLUGIN_CALL (*close)(audioDecodeStream_t *stream); + double PLUGIN_CALL (*getLength)(audioDecodeStream_t *stream); + void PLUGIN_CALL (*getAudioFormatInfo)(audioDecodeStream_t *stream, audioFormatInfo_t *info); + double PLUGIN_CALL (*getPosition)(audioDecodeStream_t *stream); + void PLUGIN_CALL (*setPosition)(audioDecodeStream_t *stream, double time); + BOOL PLUGIN_CALL (*getLoop)(audioDecodeStream_t *stream); + void PLUGIN_CALL (*setLoop)(audioDecodeStream_t *stream, BOOL enabled); + BOOL PLUGIN_CALL (*isEOF)(audioDecodeStream_t *stream); + BOOL PLUGIN_CALL (*isError)(audioDecodeStream_t *stream); + int PLUGIN_CALL (*readData)(audioDecodeStream_t *stream, uint8_t *buffer, int bufferSize); +} audioDecoderInfo_t; + +typedef struct audioConverterInfo_t { + int priority; + BOOL PLUGIN_CALL (*init)(); + BOOL PLUGIN_CALL (*finalize)(); + audioConvertStream_t* PLUGIN_CALL (*open)(audioFormatInfo_t *inputFormat, + audioFormatInfo_t *outputFormat); + void PLUGIN_CALL (*close)(audioConvertStream_t *stream); + int PLUGIN_CALL (*convert)(audioConvertStream_t *stream, + uint8_t *input, uint8_t *output, int *numSamples); + int PLUGIN_CALL (*getOutputBufferSize)(audioConvertStream_t *stream, int inputSize); + double PLUGIN_CALL (*getRatio)(audioConvertStream_t *stream); +} audioConverterInfo_t; + +typedef struct videoDecoderInfo_t { + int priority; + BOOL PLUGIN_CALL (*init)(); + BOOL PLUGIN_CALL (*finalize)(); + videoDecodeStream_t* PLUGIN_CALL (*open)(const char *filename); + void PLUGIN_CALL (*close)(videoDecodeStream_t *stream); + void PLUGIN_CALL (*setLoop)(videoDecodeStream_t *stream, BOOL enable); + BOOL PLUGIN_CALL (*getLoop)(videoDecodeStream_t *stream); + void PLUGIN_CALL (*setPosition)(videoDecodeStream_t *stream, double time); + double PLUGIN_CALL (*getPosition)(videoDecodeStream_t *stream); + int PLUGIN_CALL (*getFrameWidth)(videoDecodeStream_t *stream); + int PLUGIN_CALL (*getFrameHeight)(videoDecodeStream_t *stream); + double PLUGIN_CALL (*getFrameAspect)(videoDecodeStream_t *stream); + uint8_t* PLUGIN_CALL (*getFrame)(videoDecodeStream_t *stream, long double time); +} videoDecoderInfo_t; + +typedef struct pluginInfo_t { + int version; + const char *name; + BOOL PLUGIN_CALL (*initialize)(); + BOOL PLUGIN_CALL (*finalize)(); + const audioDecoderInfo_t *audioDecoder; + const audioConverterInfo_t *audioConverter; + const videoDecoderInfo_t *videoDecoder; +} pluginInfo_t; + + +// plugin entry function (must be implemented by the plugin) +extern DECLSPEC_EXPORT const pluginInfo_t* PLUGIN_CALL Plugin_register(const pluginCore_t *core); + +// must be provided by the plugin and initialized on plugin initialization +extern const pluginCore_t *pluginCore; + +BOOL pluginInitCore(const pluginCore_t *core); + +#ifdef __cplusplus +} +#endif + +#endif /* _PLUGIN_CORE_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/plugin_video_decode.h b/mediaplugin/src/mediaplugins/include/core/plugin_video_decode.h new file mode 100644 index 00000000..6403852f --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/plugin_video_decode.h @@ -0,0 +1,53 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _PLUGIN_VIDEO_DECODE_H_ +#define _PLUGIN_VIDEO_DECODE_H_ + +#include "util.h" +#include "plugin_core.h" +#include "logger.h" + +#ifdef __cplusplus + +class VideoDecodeStream { +public: + virtual ~VideoDecodeStream() {} + + virtual void setLoop(bool enable) = 0; + virtual bool getLoop() = 0; + + virtual void setPosition(double time) = 0; + virtual double getPosition() = 0; + + virtual int getFrameWidth() = 0; + virtual int getFrameHeight() = 0; + + virtual double getFrameAspect() = 0; + virtual uint8_t* getFrame(long double time) = 0; +}; + +#endif /* __cplusplus */ + +#endif /* _PLUGIN_VIDEO_DECODE_H_ */ diff --git a/mediaplugin/src/mediaplugins/include/core/util.h b/mediaplugin/src/mediaplugins/include/core/util.h new file mode 100644 index 00000000..55c5e93f --- /dev/null +++ b/mediaplugin/src/mediaplugins/include/core/util.h @@ -0,0 +1,292 @@ +/* UltraStar Deluxe - Karaoke Game + * + * UltraStar Deluxe is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + */ +#ifndef _UTIL_H_ +#define _UTIL_H_ + +#include <string> +#include "plugin_core.h" + +class AudioFormatInfo { +private: + double _sampleRate; + uint8_t _channels; + audioSampleFormat_t _format; + int _frameSize; + + void updateFrameSize() { + _frameSize = g_audioSampleSize[_format] * _channels; + } + +public: + double getSampleRate() const { return _sampleRate; } + void setSampleRate(double sampleRate) { _sampleRate = sampleRate; } + + uint8_t getChannels() const { return _channels; } + void setChannels(uint8_t channels) { + _channels = channels; + updateFrameSize(); + } + + audioSampleFormat_t getFormat() const { return _format; } + void setFormat(audioSampleFormat_t sampleFormat) { + _format = sampleFormat; + updateFrameSize(); + } + + long getFrameSize() const { return _frameSize; } + double getBytesPerSec() const { return _frameSize * _sampleRate; } + +public: + AudioFormatInfo() : + _sampleRate(0), + _channels(0), + _format(asfUnknown), + _frameSize(0) + {} + + AudioFormatInfo(int channels, int sampleRate, audioSampleFormat_t sampleFormat) : + _sampleRate(sampleRate), _channels(channels), _format(sampleFormat) + { + updateFrameSize(); + } + + AudioFormatInfo(audioFormatInfo_t *info) : + _sampleRate(info->sampleRate), + _channels(info->channels), + _format(info->format) + { + updateFrameSize(); + } + + /** + * Returns the inverse ratio of the size of data in this format to its + * size in a given target format. + * Example: SrcSize*SrcInfo.GetRatio(TgtInfo) = TgtSize + */ + double getRatio(const AudioFormatInfo &targetInfo) const { + return (targetInfo.getFrameSize() / this->_frameSize) * + (targetInfo.getSampleRate() / this->_sampleRate); + } + + void toCStruct(audioFormatInfo_t *info) const { + info->channels = _channels; + info->format = _format; + info->sampleRate = _sampleRate; + } + + //AudioFormatInfo copy(); +}; + +class IPath { +private: + std::string _filename; +public: + IPath(const char *filename) : + _filename(filename) + { + // TODO + } + + IPath(std::string filename) : + _filename(filename) + { + // TODO + } + + std::string toNative() const { + // TODO + return _filename; + } + + std::string toUTF8() const { + // TODO + return _filename; + } + + bool isFile() const { + // TODO + return true; + } +}; + +extern "C" { +PLUGIN_CALL int threadMainRoutine(void *data); +} + +class Thread { +private: + thread_t *_thread; +public: + Thread() : _thread(0) {} + virtual ~Thread() {} + + virtual int run() = 0; + + void start() { + _thread = pluginCore->threadCreate(threadMainRoutine, this); + } + + /** + * Get the 32-bit thread identifier for the current thread. + */ + static uint32_t getCurrentThreadID() { + return pluginCore->threadCurrentID(); + } + + /** + * Get the 32-bit thread identifier for the specified thread, + * equivalent to SDL_ThreadID() if the specified thread is NULL. + */ + uint32_t getThreadID() { + return pluginCore->threadGetID(_thread); + } + + /** + * Wait a specified number of milliseconds before returning. + */ + static void sleep(uint32_t ms) { + pluginCore->threadSleep(ms); + } + + /** + * Wait for a thread to finish. + * The return code for the thread function is placed in the area + * pointed to by 'status', if 'status' is not NULL. + */ + void wait(int *status) { + if (_thread) { + pluginCore->threadWait(_thread, status); + } + } + + void wait() { + int status; + if (_thread) { + pluginCore->threadWait(_thread, &status); + } + } +}; + +class Condition; + +class Mutex { +private: + friend class Condition; + mutex_t *_mutex; +public: + Mutex() { + _mutex = pluginCore->mutexCreate(); + } + + ~Mutex() { + pluginCore->mutexDestroy(_mutex); + } + + /** + * Lock the mutex + * Returns 0, or -1 on error + */ + int lock() { + return pluginCore->mutexLock(_mutex); + } + + /** + * Unlock the mutex + * It is an error to unlock a mutex that has not been locked by + * the current thread, and doing so results in undefined behavior. + * + * Returns 0, or -1 on error + */ + int unlock() { + return pluginCore->mutexUnlock(_mutex); + } + + class RegionLock { + private: + Mutex *_mutex; + public: + RegionLock(Mutex &mutex) : + _mutex(&mutex) + { + _mutex->lock(); + } + + ~RegionLock() { + _mutex->unlock(); + } + }; +}; + +class Condition { +private: + cond_t *_cond; +public: + Condition() { + _cond = pluginCore->condCreate(); + } + + ~Condition() { + pluginCore->condDestroy(_cond); + } + + /** + * Wait on the condition variable, unlocking the provided mutex. + * The mutex must be locked before entering this function! + * The mutex is re-locked once the condition variable is signaled. + * Returns 0 when it is signaled, or -1 on error. + */ + int wait(const Mutex &mutex) { + return pluginCore->condWait(_cond, mutex._mutex); + } + + /* + * Waits for at most 'ms' milliseconds, and returns 0 if the condition + * variable is signaled, SDL_MUTEX_TIMEDOUT if the condition is not + * signaled in the allotted time, and -1 on error. + * On some platforms this function is implemented by looping with a delay + * of 1 ms, and so should be avoided if possible. + */ + int waitTimeout(const Mutex &mutex, uint32_t ms) { + return pluginCore->condWaitTimeout(_cond, mutex._mutex, ms); + } + + /** + * Restart one of the threads that are waiting on the condition variable. + * Returns 0 or -1 on error. + */ + int signal() { + return pluginCore->condSignal(_cond); + } + + /** + * Restart all threads that are waiting on the condition variable. + * Returns 0 or -1 on error. + */ + int broadcast() { + return pluginCore->condBroadcast(_cond); + } +}; + +#endif /* _UTIL_H_ */ |