mirror of https://github.com/axmolengine/axmol.git
534 lines
12 KiB
C++
534 lines
12 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2010 cocos2d-x.org
|
|
|
|
http://www.cocos2d-x.org
|
|
|
|
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 <map>
|
|
#include <string>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include <AL/al.h>
|
|
#include <AL/alc.h>
|
|
#include <AL/alut.h>
|
|
#include <sys/stat.h>
|
|
#include <vorbis/vorbisfile.h>
|
|
|
|
#include "SimpleAudioEngine.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace CocosDenshion
|
|
{
|
|
struct soundData {
|
|
ALuint buffer;
|
|
ALuint source;
|
|
bool isLooped;
|
|
};
|
|
|
|
typedef map<string, soundData *> EffectsMap;
|
|
EffectsMap s_effects;
|
|
|
|
typedef enum {
|
|
PLAYING,
|
|
STOPPED,
|
|
PAUSED,
|
|
} playStatus;
|
|
|
|
static float s_volume = 1.0f;
|
|
static float s_effectVolume = 1.0f;
|
|
static bool s_isBackgroundInitialized = false;
|
|
static std::string s_currentBackgroundStr;
|
|
|
|
ALuint s_backgroundBuffer;
|
|
ALuint s_backgroundSource;
|
|
|
|
static SimpleAudioEngine *s_engine = 0;
|
|
|
|
static int checkALError(const char *funcName)
|
|
{
|
|
int err = alGetError();
|
|
|
|
if (err != AL_NO_ERROR)
|
|
{
|
|
switch (err)
|
|
{
|
|
case AL_INVALID_NAME:
|
|
fprintf(stderr, "AL_INVALID_NAME in %s\n", funcName);
|
|
break;
|
|
|
|
case AL_INVALID_ENUM:
|
|
fprintf(stderr, "AL_INVALID_ENUM in %s\n", funcName);
|
|
break;
|
|
|
|
case AL_INVALID_VALUE:
|
|
fprintf(stderr, "AL_INVALID_VALUE in %s\n", funcName);
|
|
break;
|
|
|
|
case AL_INVALID_OPERATION:
|
|
fprintf(stderr, "AL_INVALID_OPERATION in %s\n", funcName);
|
|
break;
|
|
|
|
case AL_OUT_OF_MEMORY:
|
|
fprintf(stderr, "AL_OUT_OF_MEMORY in %s\n", funcName);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void stopBackground(bool bReleaseData)
|
|
{
|
|
alSourceStop(s_backgroundSource);
|
|
|
|
if (bReleaseData)
|
|
{
|
|
s_currentBackgroundStr = "";
|
|
s_isBackgroundInitialized = false;
|
|
|
|
alDeleteBuffers(1, &s_backgroundBuffer);
|
|
checkALError("stopBackground");
|
|
alDeleteSources(1, &s_backgroundSource);
|
|
checkALError("stopBackground");
|
|
}
|
|
}
|
|
|
|
static void setBackgroundVolume(float volume)
|
|
{
|
|
alSourcef(s_backgroundSource, AL_GAIN, volume);
|
|
}
|
|
|
|
SimpleAudioEngine::SimpleAudioEngine()
|
|
{
|
|
alutInit(0, 0);
|
|
}
|
|
|
|
SimpleAudioEngine::~SimpleAudioEngine()
|
|
{
|
|
alutExit();
|
|
}
|
|
|
|
SimpleAudioEngine* SimpleAudioEngine::sharedEngine()
|
|
{
|
|
if (!s_engine)
|
|
s_engine = new SimpleAudioEngine();
|
|
|
|
return s_engine;
|
|
}
|
|
|
|
void SimpleAudioEngine::end()
|
|
{
|
|
checkALError("end");
|
|
|
|
// clear all the sounds
|
|
EffectsMap::const_iterator end = s_effects.end();
|
|
for (EffectsMap::iterator it = s_effects.begin(); it != end; it++)
|
|
{
|
|
alSourceStop(it->second->source);
|
|
checkALError("end");
|
|
alDeleteBuffers(1, &it->second->buffer);
|
|
checkALError("end");
|
|
alDeleteSources(1, &it->second->source);
|
|
checkALError("end");
|
|
delete it->second;
|
|
}
|
|
s_effects.clear();
|
|
|
|
// and the background too
|
|
stopBackground(true);
|
|
}
|
|
|
|
void SimpleAudioEngine::setResource(const char* pszZipFileName)
|
|
{
|
|
}
|
|
|
|
//
|
|
// OGG support
|
|
//
|
|
static bool isOGGFile(const char *pszFilePath)
|
|
{
|
|
FILE *file;
|
|
OggVorbis_File ogg_file;
|
|
int result;
|
|
|
|
file = fopen(pszFilePath, "rb");
|
|
result = ov_test(file, &ogg_file, 0, 0);
|
|
ov_clear(&ogg_file);
|
|
|
|
return (result == 0);
|
|
}
|
|
|
|
static ALuint createBufferFromOGG(const char *pszFilePath)
|
|
{
|
|
ALuint buffer;
|
|
OggVorbis_File ogg_file;
|
|
vorbis_info* info;
|
|
ALenum format;
|
|
int result;
|
|
int section;
|
|
int err;
|
|
unsigned int size = 0;
|
|
|
|
if (ov_fopen(pszFilePath, &ogg_file) < 0)
|
|
{
|
|
ov_clear(&ogg_file);
|
|
fprintf(stderr, "Could not open OGG file %s\n", pszFilePath);
|
|
return -1;
|
|
}
|
|
|
|
info = ov_info(&ogg_file, -1);
|
|
|
|
if (info->channels == 1)
|
|
format = AL_FORMAT_MONO16;
|
|
else
|
|
format = AL_FORMAT_STEREO16;
|
|
|
|
// size = #samples * #channels * 2 (for 16 bit)
|
|
unsigned int data_size = ov_pcm_total(&ogg_file, -1) * info->channels * 2;
|
|
char* data = new char[data_size];
|
|
|
|
while (size < data_size)
|
|
{
|
|
result = ov_read(&ogg_file, data + size, data_size - size, 0, 2, 1, §ion);
|
|
if (result > 0)
|
|
{
|
|
size += result;
|
|
}
|
|
else if (result < 0)
|
|
{
|
|
delete [] data;
|
|
fprintf(stderr, "OGG file problem %s\n", pszFilePath);
|
|
return -1;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (size == 0)
|
|
{
|
|
delete [] data;
|
|
fprintf(stderr, "Unable to read OGG data\n");
|
|
return -1;
|
|
}
|
|
|
|
// clear al errors
|
|
checkALError("createBufferFromOGG");
|
|
|
|
// Load audio data into a buffer.
|
|
alGenBuffers(1, &buffer);
|
|
|
|
if (checkALError("createBufferFromOGG") != AL_NO_ERROR)
|
|
{
|
|
fprintf(stderr, "Couldn't generate a buffer for OGG file\n");
|
|
delete [] data;
|
|
return buffer;
|
|
}
|
|
|
|
alBufferData(buffer, format, data, data_size, info->rate);
|
|
checkALError("createBufferFromOGG");
|
|
|
|
delete [] data;
|
|
ov_clear(&ogg_file);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
|
|
//
|
|
// background audio
|
|
//
|
|
void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
|
|
{
|
|
if (!s_isBackgroundInitialized || s_currentBackgroundStr != pszFilePath)
|
|
{
|
|
string path = pszFilePath;
|
|
|
|
if (isOGGFile(path.data()))
|
|
{
|
|
s_backgroundBuffer = createBufferFromOGG(path.data());
|
|
}
|
|
else
|
|
{
|
|
s_backgroundBuffer = alutCreateBufferFromFile(path.data());
|
|
}
|
|
|
|
checkALError("preloadBackgroundMusic");
|
|
|
|
if (s_backgroundBuffer == AL_NONE)
|
|
{
|
|
fprintf(stderr, "Error loading file: '%s'\n", path.data());
|
|
alDeleteBuffers(1, &s_backgroundBuffer);
|
|
return;
|
|
}
|
|
|
|
alGenSources(1, &s_backgroundSource);
|
|
checkALError("preloadBackgroundMusic");
|
|
|
|
alSourcei(s_backgroundSource, AL_BUFFER, s_backgroundBuffer);
|
|
checkALError("preloadBackgroundMusic");
|
|
|
|
s_currentBackgroundStr = pszFilePath;
|
|
}
|
|
|
|
s_currentBackgroundStr = pszFilePath;
|
|
s_isBackgroundInitialized = true;
|
|
}
|
|
|
|
void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
|
|
{
|
|
if (!s_isBackgroundInitialized)
|
|
preloadBackgroundMusic(pszFilePath);
|
|
|
|
alSourcei(s_backgroundSource, AL_LOOPING, bLoop ? AL_TRUE : AL_FALSE);
|
|
alSourcePlay(s_backgroundSource);
|
|
checkALError("playBackgroundMusic");
|
|
}
|
|
|
|
void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
|
|
{
|
|
stopBackground(bReleaseData);
|
|
}
|
|
|
|
void SimpleAudioEngine::pauseBackgroundMusic()
|
|
{
|
|
alSourcePause(s_backgroundSource);
|
|
checkALError("pauseBackgroundMusic");
|
|
}
|
|
|
|
void SimpleAudioEngine::resumeBackgroundMusic()
|
|
{
|
|
alSourcePlay(s_backgroundSource);
|
|
checkALError("resumeBackgroundMusic");
|
|
}
|
|
|
|
void SimpleAudioEngine::rewindBackgroundMusic()
|
|
{
|
|
alSourceRewind(s_backgroundSource);
|
|
checkALError("rewindBackgroundMusic");
|
|
}
|
|
|
|
bool SimpleAudioEngine::willPlayBackgroundMusic()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool SimpleAudioEngine::isBackgroundMusicPlaying()
|
|
{
|
|
ALint play_status;
|
|
alGetSourcei(s_backgroundSource, AL_SOURCE_STATE, &play_status);
|
|
|
|
return (play_status == AL_PLAYING);
|
|
}
|
|
|
|
float SimpleAudioEngine::getBackgroundMusicVolume()
|
|
{
|
|
return s_volume;
|
|
}
|
|
|
|
void SimpleAudioEngine::setBackgroundMusicVolume(float volume)
|
|
{
|
|
if (s_volume != volume && volume >= -0.0001 && volume <= 1.0001)
|
|
{
|
|
s_volume = volume;
|
|
|
|
setBackgroundVolume(volume);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Effect audio (using OpenAL)
|
|
//
|
|
float SimpleAudioEngine::getEffectsVolume()
|
|
{
|
|
return s_effectVolume;
|
|
}
|
|
|
|
void SimpleAudioEngine::setEffectsVolume(float volume)
|
|
{
|
|
if (volume != s_effectVolume)
|
|
{
|
|
EffectsMap::const_iterator end = s_effects.end();
|
|
for (EffectsMap::const_iterator it = s_effects.begin(); it != end; it++)
|
|
{
|
|
alSourcef(it->second->source, AL_GAIN, volume);
|
|
}
|
|
|
|
s_effectVolume = volume;
|
|
}
|
|
}
|
|
|
|
unsigned int SimpleAudioEngine::playEffect(const char* pszFilePath, bool bLoop)
|
|
{
|
|
EffectsMap::iterator iter = s_effects.find(pszFilePath);
|
|
|
|
if (iter == s_effects.end())
|
|
{
|
|
preloadEffect(pszFilePath);
|
|
|
|
// let's try again
|
|
iter = s_effects.find(pszFilePath);
|
|
if (iter == s_effects.end())
|
|
{
|
|
fprintf(stderr, "could not find play sound %s\n", pszFilePath);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
checkALError("playEffect");
|
|
iter->second->isLooped = bLoop;
|
|
alSourcei(iter->second->source, AL_LOOPING, iter->second->isLooped ? AL_TRUE : AL_FALSE);
|
|
alSourcePlay(iter->second->source);
|
|
checkALError("playEffect");
|
|
|
|
return iter->second->source;
|
|
}
|
|
|
|
void SimpleAudioEngine::stopEffect(unsigned int nSoundId)
|
|
{
|
|
alSourceStop(nSoundId);
|
|
checkALError("stopEffect");
|
|
}
|
|
|
|
void SimpleAudioEngine::preloadEffect(const char* pszFilePath)
|
|
{
|
|
EffectsMap::iterator iter = s_effects.find(pszFilePath);
|
|
|
|
// check if we have this already
|
|
if (iter == s_effects.end())
|
|
{
|
|
ALuint buffer;
|
|
ALuint source;
|
|
soundData *data = new soundData;
|
|
string path = pszFilePath;
|
|
|
|
checkALError("preloadEffect");
|
|
|
|
if (isOGGFile(path.data()))
|
|
{
|
|
buffer = createBufferFromOGG(path.data());
|
|
}
|
|
else
|
|
{
|
|
buffer = alutCreateBufferFromFile(path.data());
|
|
checkALError("preloadEffect");
|
|
}
|
|
|
|
if (buffer == AL_NONE)
|
|
{
|
|
fprintf(stderr, "Error loading file: '%s'\n", path.data());
|
|
alDeleteBuffers(1, &buffer);
|
|
return;
|
|
}
|
|
|
|
alGenSources(1, &source);
|
|
|
|
if (checkALError("preloadEffect") != AL_NO_ERROR)
|
|
{
|
|
alDeleteBuffers(1, &buffer);
|
|
return;
|
|
}
|
|
|
|
alSourcei(source, AL_BUFFER, buffer);
|
|
checkALError("preloadEffect");
|
|
|
|
data->isLooped = false;
|
|
data->buffer = buffer;
|
|
data->source = source;
|
|
|
|
s_effects.insert(EffectsMap::value_type(pszFilePath, data));
|
|
}
|
|
}
|
|
|
|
void SimpleAudioEngine::unloadEffect(const char* pszFilePath)
|
|
{
|
|
EffectsMap::iterator iter = s_effects.find(pszFilePath);
|
|
|
|
if (iter != s_effects.end())
|
|
{
|
|
checkALError("unloadEffect");
|
|
|
|
alSourceStop(iter->second->source);
|
|
checkALError("unloadEffect");
|
|
|
|
alDeleteSources(1, &iter->second->source);
|
|
checkALError("unloadEffect");
|
|
|
|
alDeleteBuffers(1, &iter->second->buffer);
|
|
checkALError("unloadEffect");
|
|
delete iter->second;
|
|
|
|
s_effects.erase(iter);
|
|
}
|
|
}
|
|
|
|
void SimpleAudioEngine::pauseEffect(unsigned int nSoundId)
|
|
{
|
|
alSourcePause(nSoundId);
|
|
checkALError("pauseEffect");
|
|
}
|
|
|
|
void SimpleAudioEngine::pauseAllEffects()
|
|
{
|
|
EffectsMap::iterator iter = s_effects.begin();
|
|
|
|
if (iter != s_effects.end())
|
|
{
|
|
alSourcePause(iter->second->source);
|
|
checkALError("pauseAllEffects");
|
|
}
|
|
}
|
|
|
|
void SimpleAudioEngine::resumeEffect(unsigned int nSoundId)
|
|
{
|
|
alSourcePlay(nSoundId);
|
|
checkALError("resumeEffect");
|
|
}
|
|
|
|
void SimpleAudioEngine::resumeAllEffects()
|
|
{
|
|
EffectsMap::iterator iter = s_effects.begin();
|
|
|
|
if (iter != s_effects.end())
|
|
{
|
|
checkALError("resumeAllEffects");
|
|
alSourcePlay(iter->second->source);
|
|
checkALError("resumeAllEffects");
|
|
}
|
|
}
|
|
|
|
void SimpleAudioEngine::stopAllEffects()
|
|
{
|
|
EffectsMap::iterator iter = s_effects.begin();
|
|
|
|
if (iter != s_effects.end())
|
|
{
|
|
checkALError("stopAllEffects");
|
|
alSourceStop(iter->second->source);
|
|
checkALError("stopAllEffects");
|
|
}
|
|
}
|
|
|
|
}
|