X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Faudio%2Fsound_manager.cpp;h=a5a47ae0398f775f5bba48b192a470fe0d380ac2;hb=25da12d34b356745dcf3669f234e17ee5bfa6b80;hp=8e0d558e7a4bec2b0d6e5bbe7bed2c882edf9515;hpb=20ca5e7c49d7d98aee81921ea706829e5ff231ed;p=supertux.git diff --git a/src/audio/sound_manager.cpp b/src/audio/sound_manager.cpp index 8e0d558e7..a5a47ae03 100644 --- a/src/audio/sound_manager.cpp +++ b/src/audio/sound_manager.cpp @@ -1,12 +1,10 @@ -// $Id: sound_manager.cpp 2334 2005-04-04 16:26:14Z grumbel $ +// SuperTux +// Copyright (C) 2006 Matthias Braun // -// SuperTux - A Jump'n Run -// Copyright (C) 2004 Matthias Braun +// along with this program. If not, see . + +#include "audio/sound_manager.hpp" -#include -#include -#include +#include +#include #include #include - -#include "audio/sound_manager.h" -#include "audio/musicref.h" -#include "moving_object.h" -#include "resources.h" - -SoundManager::SoundManager() - : current_music(0), m_music_enabled(true) , m_sound_enabled(true), - audio_device(false) +#include + +#include "audio/dummy_sound_source.hpp" +#include "audio/sound_file.hpp" +#include "audio/stream_sound_source.hpp" +#include "util/log.hpp" + +#ifndef DEBUG +/** Older openal versions often miss this function and it isn't that vital for + * supertux... + */ +#ifdef alcGetString +#undef alcGetString +#endif +#define alcGetString(x,y) "" +#endif + +SoundManager* sound_manager = 0; + +SoundManager::SoundManager() : + device(0), + context(0), + sound_enabled(false), + buffers(), + sources(), + update_list(), + music_source(0), + music_enabled(false), + current_music() { + try { + device = alcOpenDevice(0); + if (device == NULL) { + throw std::runtime_error("Couldn't open audio device."); + } + + int attributes[] = { 0 }; + context = alcCreateContext(device, attributes); + check_alc_error("Couldn't create audio context: "); + alcMakeContextCurrent(context); + check_alc_error("Couldn't select audio context: "); + + check_al_error("Audio error after init: "); + sound_enabled = true; + music_enabled = true; + } catch(std::exception& e) { + if(context != NULL) + alcDestroyContext(context); + context = NULL; + if(device != NULL) + alcCloseDevice(device); + device = NULL; + log_warning << "Couldn't initialize audio device: " << e.what() << std::endl; + print_openal_version(); + } } SoundManager::~SoundManager() { - for(Sounds::iterator i = sounds.begin(); i != sounds.end(); ++i) { - Mix_FreeChunk(i->second); + delete music_source; + + for(SoundSources::iterator i = sources.begin(); i != sources.end(); ++i) { + delete *i; + } + + for(SoundBuffers::iterator i = buffers.begin(); i != buffers.end(); ++i) { + ALuint buffer = i->second; + alDeleteBuffers(1, &buffer); + } + + if(context != NULL) { + alcDestroyContext(context); + } + if(device != NULL) { + alcCloseDevice(device); } - sounds.clear(); } -void -SoundManager::play_sound(const std::string& name) +ALuint +SoundManager::load_file_into_buffer(SoundFile* file) { - if(!audio_device || !m_sound_enabled) - return; - - Mix_Chunk* chunk = preload_sound(name); - if(chunk == 0) { - std::cerr << "Sound '" << name << "' not found.\n"; - return; + ALenum format = get_sample_format(file); + ALuint buffer; + alGenBuffers(1, &buffer); + check_al_error("Couldn't create audio buffer: "); + char* samples = new char[file->size]; + try { + file->read(samples, file->size); + alBufferData(buffer, format, samples, + static_cast (file->size), + static_cast (file->rate)); + check_al_error("Couldn't fill audio buffer: "); + } catch(...) { + delete[] samples; + throw; } - Mix_PlayChannel(-1, chunk, 0); + delete[] samples; + + return buffer; } -int -SoundManager::play_sound(const std::string& name,int loops) +OpenALSoundSource* +SoundManager::intern_create_sound_source(const std::string& filename) { - if(!audio_device || !m_sound_enabled) - return -1; - - Mix_Chunk* chunk = preload_sound(name); - if(chunk == 0) { - std::cerr << "Sound '" << name << "' not found.\n"; - return -1; + if(!sound_enabled) + throw std::runtime_error("sound disabled"); + + std::auto_ptr source (new OpenALSoundSource()); + + ALuint buffer; + + // reuse an existing static sound buffer + SoundBuffers::iterator i = buffers.find(filename); + if(i != buffers.end()) { + buffer = i->second; + } else { + // Load sound file + std::auto_ptr file (load_sound_file(filename)); + + if(file->size < 100000) { + buffer = load_file_into_buffer(file.get()); + buffers.insert(std::make_pair(filename, buffer)); + } else { + StreamSoundSource* source = new StreamSoundSource(); + source->set_sound_file(file.release()); + return source; + } + + log_debug << "Uncached sound \"" << filename << "\" requested to be played" << std::endl; } - return Mix_PlayChannel(-1, chunk, loops); + + alSourcei(source->source, AL_BUFFER, buffer); + return source.release(); } -void -SoundManager::play_sound(const std::string& sound, const MovingObject* object, - const Vector& pos) +SoundSource* +SoundManager::create_sound_source(const std::string& filename) { - // TODO keep track of the object later and move the sound along with the - // object. - play_sound(sound, object->get_pos(), pos); + if(!sound_enabled) + return create_dummy_sound_source(); + + try { + return intern_create_sound_source(filename); + } catch(std::exception &e) { + log_warning << "Couldn't create audio source: " << e.what() << std::endl; + return create_dummy_sound_source(); + } } void -SoundManager::play_sound(const std::string& sound, const Vector& pos, - const Vector& pos2) +SoundManager::preload(const std::string& filename) { - if(!audio_device || !m_sound_enabled) + if(!sound_enabled) return; - Mix_Chunk* chunk = preload_sound(sound); - if(chunk == 0) { - std::cerr << "Sound '" << sound << "' not found.\n"; - return; + SoundBuffers::iterator i = buffers.find(filename); + // already loaded? + if(i != buffers.end()) + return; + try { + std::auto_ptr file (load_sound_file(filename)); + // only keep small files + if(file->size >= 100000) + return; + + ALuint buffer = load_file_into_buffer(file.get()); + buffers.insert(std::make_pair(filename, buffer)); + } catch(std::exception& e) { + log_warning << "Error while preloading sound file: " << e.what() << std::endl; } +} - // TODO make sure this formula is good - float distance - = pos2.x- pos.x; - int loud = int(255.0/float(1600) * fabsf(distance)); - if(loud > 255) +void +SoundManager::play(const std::string& filename, const Vector& pos) +{ + if(!sound_enabled) return; - int chan = Mix_PlayChannel(-1, chunk, 0); - if(chan < 0) - return; - Mix_SetDistance(chan, loud); - - // very bad way to do this... - if(distance > 100) - Mix_SetPanning(chan, 230, 24); - else if(distance < -100) - Mix_SetPanning(chan, 24, 230); + try { + std::auto_ptr source + (intern_create_sound_source(filename)); + + if(pos == Vector(-1, -1)) { + source->set_rollof_factor(0); + } else { + source->set_position(pos); + } + source->play(); + sources.push_back(source.release()); + } catch(std::exception& e) { + log_warning << "Couldn't play sound " << filename << ": " << e.what() << std::endl; + } } -// Register a sound effect function - basti_ - -void -SoundManager::register_effect(int channel,Mix_EffectFunc_t f, - Mix_EffectDone_t d,void * arg) { +void +SoundManager::manage_source(SoundSource* source) +{ + assert(source != NULL); - if(!audio_device || !m_sound_enabled) - return; - Mix_RegisterEffect(channel,f,d,arg); + OpenALSoundSource* openal_source = dynamic_cast (source); + if(openal_source != NULL) { + sources.push_back(openal_source); + } } -// Adjust the Volume of a channel "on line". Needs sizeof(float) static data. - -#define __ATYPE__ signed short int - -void -SoundManager::volume_adjust(int chan, void *stream, int len, void *udata) { - ((float *)udata)[1]=((float *)udata)[1]*0.95+ - (((float *)udata)[0]- - ((float *)udata)[1])*0.05; // decay towards [0] - declick - float vol=((float*)udata)[1]; +void +SoundManager::register_for_update( StreamSoundSource* sss ){ + if( sss != NULL ){ + update_list.push_back( sss ); + } +} - for (int i=0;i::iterator i = musics.find(file); - assert(i != musics.end()); - return MusicRef(& (i->second)); } -bool -SoundManager::exists_music(const std::string& file) +void +SoundManager::stop_music(float fadetime) { - if(!audio_device) - return true; - - // song already loaded? - std::map::iterator i = musics.find(file); - if(i != musics.end()) { - return true; + if(fadetime > 0) { + if(music_source + && music_source->get_fade_state() != StreamSoundSource::FadingOff) + music_source->set_fading(StreamSoundSource::FadingOff, fadetime); + } else { + delete music_source; + music_source = NULL; } - - Mix_Music* song = Mix_LoadMUS(file.c_str()); - if(song == 0) - return false; - - // insert into music list - std::pair::iterator, bool> result = - musics.insert( - std::make_pair (file, MusicResource())); - MusicResource& resource = result.first->second; - resource.manager = this; - resource.music = song; - - return true; + current_music = ""; } void -SoundManager::free_music(MusicResource* ) +SoundManager::play_music(const std::string& filename, bool fade) { - // TODO free music, currently we can't do this since SDL_mixer seems to have - // some bugs if you load/free alot of mod files. + if(filename == current_music && music_source != NULL) + return; + current_music = filename; + if(!music_enabled) + return; + + if(filename == "") { + delete music_source; + music_source = NULL; + return; + } + + try { + std::auto_ptr newmusic (new StreamSoundSource()); + alSourcef(newmusic->source, AL_ROLLOFF_FACTOR, 0); + newmusic->set_sound_file(load_sound_file(filename)); + newmusic->set_looping(true); + if(fade) + newmusic->set_fading(StreamSoundSource::FadingOn, .5f); + newmusic->play(); + + delete music_source; + music_source = newmusic.release(); + } catch(std::exception& e) { + log_warning << "Couldn't play music file '" << filename << "': " << e.what() << std::endl; + } } void -SoundManager::play_music(const MusicRef& musicref, int loops) +SoundManager::set_listener_position(const Vector& pos) { - if(!audio_device) - return; + static Uint32 lastticks = SDL_GetTicks(); - if(musicref.music == 0 || current_music == musicref.music) + Uint32 current_ticks = SDL_GetTicks(); + if(current_ticks - lastticks < 300) return; + lastticks = current_ticks; - if(current_music) - current_music->refcount--; - - current_music = musicref.music; - current_music->refcount++; - - if(m_music_enabled) - Mix_PlayMusic(current_music->music, loops); + alListener3f(AL_POSITION, pos.x, pos.y, 0); } void -SoundManager::halt_music() +SoundManager::set_listener_velocity(const Vector& vel) { - if(!audio_device) - return; - - Mix_HaltMusic(); - - if(current_music) { - current_music->refcount--; - if(current_music->refcount == 0) - free_music(current_music); - current_music = 0; - } + alListener3f(AL_VELOCITY, vel.x, vel.y, 0); } void -SoundManager::enable_music(bool enable) +SoundManager::update() { - if(!audio_device) - return; + static Uint32 lasttime = SDL_GetTicks(); + Uint32 now = SDL_GetTicks(); - if(enable == m_music_enabled) + if(now - lasttime < 300) return; - - m_music_enabled = enable; - if(m_music_enabled == false) { - Mix_HaltMusic(); - } else { - if(current_music) - Mix_PlayMusic(current_music->music, -1); + lasttime = now; + + // update and check for finished sound sources + for(SoundSources::iterator i = sources.begin(); i != sources.end(); ) { + OpenALSoundSource* source = *i; + + source->update(); + + if(!source->playing()) { + delete source; + i = sources.erase(i); + } else { + ++i; + } + } + // check streaming sounds + if(music_source) { + music_source->update(); + } + + if (context) + { + alcProcessContext(context); + check_alc_error("Error while processing audio context: "); + } + + //run update() for stream_sound_source + StreamSoundSources::iterator s = update_list.begin(); + while( s != update_list.end() ){ + (*s)->update(); + s++; } } -void -SoundManager::enable_sound(bool enable) +ALenum +SoundManager::get_sample_format(SoundFile* file) { - if(!audio_device) - return; - - m_sound_enabled = enable; + if(file->channels == 2) { + if(file->bits_per_sample == 16) { + return AL_FORMAT_STEREO16; + } else if(file->bits_per_sample == 8) { + return AL_FORMAT_STEREO8; + } else { + throw std::runtime_error("Only 16 and 8 bit samples supported"); + } + } else if(file->channels == 1) { + if(file->bits_per_sample == 16) { + return AL_FORMAT_MONO16; + } else if(file->bits_per_sample == 8) { + return AL_FORMAT_MONO8; + } else { + throw std::runtime_error("Only 16 and 8 bit samples supported"); + } + } + + throw std::runtime_error("Only 1 and 2 channel samples supported"); } -SoundManager::MusicResource::~MusicResource() +void +SoundManager::print_openal_version() { - // don't free music buggy SDL_Mixer crashs for some mod files - // Mix_FreeMusic(music); + log_info << "OpenAL Vendor: " << alGetString(AL_VENDOR) << std::endl; + log_info << "OpenAL Version: " << alGetString(AL_VERSION) << std::endl; + log_info << "OpenAL Renderer: " << alGetString(AL_RENDERER) << std::endl; + log_info << "OpenAl Extensions: " << alGetString(AL_EXTENSIONS) << std::endl; } -Mix_Chunk* SoundManager::preload_sound(const std::string& name) +void +SoundManager::check_alc_error(const char* message) { - if(!audio_device) - return 0; - - Sounds::iterator i = sounds.find(name); - if(i != sounds.end()) { - return i->second; + int err = alcGetError(device); + if(err != ALC_NO_ERROR) { + std::stringstream msg; + msg << message << alcGetString(device, err); + throw std::runtime_error(msg.str()); } +} - std::string filename = "sounds/"; - filename += name; - filename += ".wav"; - filename = get_resource_filename(filename); - - Mix_Chunk* chunk = Mix_LoadWAV(filename.c_str()); - if(chunk != 0) { - sounds.insert(std::make_pair(name, chunk)); +void +SoundManager::check_al_error(const char* message) +{ + int err = alGetError(); + if(err != AL_NO_ERROR) { + std::stringstream msg; + msg << message << alGetString(err); + throw std::runtime_error(msg.str()); } - - return chunk; } +/* EOF */