mirror of https://github.com/axmolengine/axmol.git
526 lines
12 KiB
C++
526 lines
12 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include <map>
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#include <string>
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#include <stdio.h>
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#include <unistd.h>
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <AL/alut.h>
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#include <mm/renderer.h>
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#include <sys/stat.h>
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//#include "CCFileUtils.h"
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#include "SimpleAudioEngine.h"
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using namespace std;
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namespace CocosDenshion
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{
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struct soundData {
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ALuint buffer;
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ALuint source;
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bool isLooped;
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};
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typedef map<string, soundData *> EffectsMap;
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EffectsMap s_effects;
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typedef enum {
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PLAYING,
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STOPPED,
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PAUSED,
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} playStatus;
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static int s_audioOid;
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static float s_volume = 1.0f;
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static float s_effectVolume = 1.0f;
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static bool s_isBackgroundInitialized = false;
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static bool s_hasMMRError = false;
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static playStatus s_playStatus = STOPPED;
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static string s_currentBackgroundStr;
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static mmr_connection_t *s_mmrConnection = 0;
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static mmr_context_t *s_mmrContext = 0;
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static strm_dict_t *s_repeatDictionary = 0;
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static strm_dict_t *s_volumeDictionary = 0;
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static SimpleAudioEngine *s_engine = 0;
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static string s_strResourcePath = "./app/native/Resource/";
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static void printALError(int err)
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{
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switch (err)
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{
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case AL_NO_ERROR:
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fprintf(stderr, "AL_NO_ERROR");
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break;
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case AL_INVALID_NAME:
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fprintf(stderr, "AL_INVALID_NAME");
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break;
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case AL_INVALID_ENUM:
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fprintf(stderr, "AL_INVALID_ENUM");
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break;
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case AL_INVALID_VALUE:
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fprintf(stderr, "AL_INVALID_VALUE");
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break;
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case AL_INVALID_OPERATION:
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fprintf(stderr, "AL_INVALID_OPERATION");
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break;
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case AL_OUT_OF_MEMORY:
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fprintf(stderr, "AL_OUT_OF_MEMORY");
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break;
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};
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}
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static void mmrerror(mmr_context_t *ctxt, const char *msg)
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{
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const mmr_error_info_t *err = mmr_error_info( ctxt );
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unsigned errcode = (err) ? err->error_code : -1;
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const char *name;
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fprintf(stderr, "%s: error %d \n", msg, errcode);
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s_hasMMRError = true;
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}
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static void stopBackground(bool bReleaseData)
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{
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s_playStatus = STOPPED;
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if (s_mmrContext)
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mmr_stop(s_mmrContext);
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if (bReleaseData)
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{
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if (s_mmrContext)
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{
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mmr_input_detach(s_mmrContext);
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mmr_context_destroy(s_mmrContext);
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}
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if (s_mmrConnection)
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mmr_disconnect(s_mmrConnection);
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if (s_repeatDictionary)
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strm_dict_destroy(s_repeatDictionary);
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if (s_volumeDictionary)
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strm_dict_destroy(s_volumeDictionary);
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s_mmrContext = 0;
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s_mmrConnection = 0;
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s_repeatDictionary = 0;
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s_volumeDictionary = 0;
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s_hasMMRError = false;
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s_currentBackgroundStr = "";
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s_isBackgroundInitialized = false;
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}
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}
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static void setBackgroundVolume(float volume)
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{
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char volume_str[128];
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// set it up the background volume
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strm_dict_t *dictionary = strm_dict_new();
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sprintf(volume_str, "%d", (int)(volume * 100) );
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s_volumeDictionary = strm_dict_set(dictionary, "volume", volume_str);
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if (mmr_output_parameters(s_mmrContext, s_audioOid, s_volumeDictionary) != 0)
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{
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mmrerror(s_mmrContext, "output parameters");
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return;
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}
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}
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SimpleAudioEngine::SimpleAudioEngine()
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{
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alutInit(0, 0);
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}
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SimpleAudioEngine::~SimpleAudioEngine()
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{
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alutExit();
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}
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SimpleAudioEngine* SimpleAudioEngine::sharedEngine()
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{
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if (!s_engine)
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s_engine = new SimpleAudioEngine();
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return s_engine;
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}
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void SimpleAudioEngine::end()
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{
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// clear all the sounds
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EffectsMap::const_iterator end = s_effects.end();
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for (EffectsMap::iterator it = s_effects.begin(); it != end; it++)
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{
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alSourceStop(it->second->source);
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alDeleteBuffers(1, &it->second->buffer);
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alDeleteSources(1, &it->second->source);
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delete it->second;
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}
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s_effects.clear();
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if (s_isBackgroundInitialized)
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{
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s_isBackgroundInitialized = false;
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}
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// and the background too
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stopBackground(true);
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}
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void SimpleAudioEngine::setResource(const char* pszZipFileName)
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{
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}
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//
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// background audio (using mmrenderer)
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//
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void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
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{
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if (!s_isBackgroundInitialized)
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{
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const char *mmrname = NULL;
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const char *ctxtname = "mmrplayer";
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char cwd[PATH_MAX];
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mode_t mode = S_IRUSR | S_IXUSR;
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getcwd(cwd, PATH_MAX);
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string path = "file://";
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path += cwd;
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path += "/";
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// CocosDenshion is an independent module, we should not make the coupling between Cocos2dx and CocosDenshion.
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path += s_strResourcePath;//cocos2d::CCFileUtils::getResourcePath();
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path += pszFilePath;
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s_mmrConnection = mmr_connect(mmrname);
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if (!s_mmrConnection)
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{
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perror("mmr_connect");
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s_hasMMRError = true;
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return;
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}
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s_mmrContext = mmr_context_create(s_mmrConnection, ctxtname, 0, mode);
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if (!s_mmrContext)
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{
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perror(ctxtname);
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s_hasMMRError = true;
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return;
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}
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if ((s_audioOid = mmr_output_attach(s_mmrContext, "audio:default", "audio")) < 0)
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{
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mmrerror(s_mmrContext, "audio:default");
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return;
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}
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setBackgroundVolume(s_volume);
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if (mmr_input_attach(s_mmrContext, path.data(), "autolist") < 0)
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{
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fprintf(stderr, "unable to load %s\n", path.data());
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mmrerror(s_mmrContext, path.data());
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return;
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}
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s_currentBackgroundStr = pszFilePath;
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s_isBackgroundInitialized = true;
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}
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}
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void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
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{
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if (0 == strcmp(s_currentBackgroundStr.c_str(), pszFilePath))
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{
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stopBackgroundMusic(true);
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}
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else
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{
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if (s_playStatus == PAUSED)
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resumeBackgroundMusic();
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else
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rewindBackgroundMusic();
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}
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if (!s_isBackgroundInitialized)
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preloadBackgroundMusic(pszFilePath);
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if (bLoop)
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{
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// set it up to loop
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strm_dict_t *dictionary = strm_dict_new();
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s_repeatDictionary = strm_dict_set(dictionary, "repeat", "all");
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if (mmr_input_parameters(s_mmrContext, s_repeatDictionary) != 0)
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{
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mmrerror(s_mmrContext, "input parameters (loop)");
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return;
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}
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}
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if (s_hasMMRError || !s_mmrContext)
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return;
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if (mmr_play(s_mmrContext) < 0)
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{
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mmrerror(s_mmrContext, "mmr_play");
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s_hasMMRError = true;
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}
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if (!s_hasMMRError)
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s_playStatus = PLAYING;
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}
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void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
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{
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// if we were paused then we need to resume first so that we can play
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if (s_playStatus == PAUSED)
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resumeBackgroundMusic();
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stopBackground(bReleaseData);
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}
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void SimpleAudioEngine::pauseBackgroundMusic()
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{
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if (s_mmrContext && mmr_speed_set(s_mmrContext, 0) < 0)
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{
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mmrerror(s_mmrContext, "pause");
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}
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s_playStatus = PAUSED;
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}
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void SimpleAudioEngine::resumeBackgroundMusic()
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{
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if (s_mmrContext && mmr_speed_set(s_mmrContext, 1000) < 0)
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{
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mmrerror(s_mmrContext, "resume");
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}
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s_playStatus = PLAYING;
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}
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void SimpleAudioEngine::rewindBackgroundMusic()
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{
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if (s_mmrContext && mmr_seek(s_mmrContext, "1:0") < 0)
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{
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mmrerror(s_mmrContext, "rewind");
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}
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}
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bool SimpleAudioEngine::willPlayBackgroundMusic()
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{
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return true;
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}
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bool SimpleAudioEngine::isBackgroundMusicPlaying()
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{
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return (s_playStatus == PLAYING) && s_isBackgroundInitialized;
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}
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float SimpleAudioEngine::getBackgroundMusicVolume()
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{
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return s_volume;
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}
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void SimpleAudioEngine::setBackgroundMusicVolume(float volume)
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{
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if (s_volume != volume && volume >= -0.0001 && volume <= 1.0001)
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{
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s_volume = volume;
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setBackgroundVolume(volume);
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}
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}
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//
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// Effect audio (using OpenAL)
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//
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float SimpleAudioEngine::getEffectsVolume()
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{
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return s_effectVolume;
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}
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void SimpleAudioEngine::setEffectsVolume(float volume)
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{
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if (volume != s_effectVolume)
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{
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EffectsMap::const_iterator end = s_effects.end();
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for (EffectsMap::const_iterator it = s_effects.begin(); it != end; it++)
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{
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alSourcef(it->second->source, AL_GAIN, volume);
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}
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s_effectVolume = volume;
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}
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}
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unsigned int SimpleAudioEngine::playEffect(const char* pszFilePath, bool bLoop)
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{
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EffectsMap::iterator iter = s_effects.find(pszFilePath);
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if (iter == s_effects.end())
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{
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preloadEffect(pszFilePath);
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// let's try again
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iter = s_effects.find(pszFilePath);
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if (iter == s_effects.end())
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{
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fprintf(stderr, "could not find play sound %s\n", pszFilePath);
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return -1;
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}
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}
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iter->second->isLooped = bLoop;
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alSourcei(iter->second->source, AL_LOOPING, iter->second->isLooped ? AL_TRUE : AL_FALSE);
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alSourcePlay(iter->second->source);
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return iter->second->source;
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}
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void SimpleAudioEngine::stopEffect(unsigned int nSoundId)
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{
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alSourceStop(nSoundId);
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}
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void SimpleAudioEngine::preloadEffect(const char* pszFilePath)
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{
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EffectsMap::iterator iter = s_effects.find(pszFilePath);
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// check if we have this already
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if (iter == s_effects.end())
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{
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ALuint buffer;
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ALuint source;
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soundData *data = new soundData;
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// CocosDenshion is an independent module, we should not make the coupling between Cocos2dx and CocosDenshion.
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string path = s_strResourcePath;// cocos2d::CCFileUtils::getResourcePath();
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path += pszFilePath;
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buffer = alutCreateBufferFromFile(path.data());
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if (buffer == AL_NONE)
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{
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fprintf(stderr, "Error loading file: '%s'\n", path.data());
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alDeleteBuffers(1, &buffer);
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return;
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}
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alGenSources(1, &source);
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alSourcei(source, AL_BUFFER, buffer);
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data->isLooped = false;
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data->buffer = buffer;
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data->source = source;
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s_effects.insert(EffectsMap::value_type(pszFilePath, data));
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}
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}
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void SimpleAudioEngine::unloadEffect(const char* pszFilePath)
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{
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EffectsMap::iterator iter = s_effects.find(pszFilePath);
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if (iter != s_effects.end())
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{
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alSourceStop(iter->second->source);
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alDeleteSources(1, &iter->second->source);
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alDeleteBuffers(1, &iter->second->buffer);
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delete iter->second;
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int err = alGetError();
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if (err != AL_NO_ERROR)
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printALError(err);
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s_effects.erase(iter);
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}
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}
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void SimpleAudioEngine::pauseEffect(unsigned int nSoundId)
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{
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alSourcePause(nSoundId);
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}
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void SimpleAudioEngine::pauseAllEffects()
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{
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EffectsMap::iterator iter = s_effects.begin();
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if (iter != s_effects.end())
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{
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alSourcePause(iter->second->source);
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int err = alGetError();
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if (err != AL_NO_ERROR)
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printALError(err);
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}
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}
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void SimpleAudioEngine::resumeEffect(unsigned int nSoundId)
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{
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alSourcePlay(nSoundId);
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}
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void SimpleAudioEngine::resumeAllEffects()
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{
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EffectsMap::iterator iter = s_effects.begin();
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if (iter != s_effects.end())
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{
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alSourcePlay(iter->second->source);
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int err = alGetError();
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if (err != AL_NO_ERROR)
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printALError(err);
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}
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}
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void SimpleAudioEngine::stopAllEffects()
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{
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EffectsMap::iterator iter = s_effects.begin();
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if (iter != s_effects.end())
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{
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alSourceStop(iter->second->source);
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int err = alGetError();
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if (err != AL_NO_ERROR)
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printALError(err);
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}
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}
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}
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