X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Faudio%2Fsound_manager.cpp;h=9141f6f6ad23797993efb7b78a3826f705c32f16;hb=d794aac09d4a3b3f5f93985cd74381bb4de4ce84;hp=9d2883e3d237a13f09ac04bfd34cebfa611a1c57;hpb=60908c905544776c376421b8d3e12eeb936c068f;p=supertux.git diff --git a/src/audio/sound_manager.cpp b/src/audio/sound_manager.cpp index 9d2883e3d..9141f6f6a 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 -#include "audio/sound_manager.h" -#include "audio/musicref.h" -#include "moving_object.h" -#include "resources.h" +#include "audio/dummy_sound_source.hpp" +#include "audio/sound_file.hpp" +#include "audio/stream_sound_source.hpp" +#include "util/log.hpp" -SoundManager::SoundManager() - : current_music(0), m_music_enabled(true) , m_sound_enabled(true), - audio_device(false) +SoundManager::SoundManager() : + device(0), + context(0), + sound_enabled(false), + buffers(), + sources(), + update_list(), + music_source(), + 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); + music_source.reset(); + sources.clear(); + + for(SoundBuffers::iterator i = buffers.begin(); i != buffers.end(); ++i) { + ALuint buffer = i->second; + alDeleteBuffers(1, &buffer); + } + + if(context != NULL) { + alcDestroyContext(context); + context = NULL; + } + if(device != NULL) { + alcCloseDevice(device); + device = NULL; } - 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: "); + std::unique_ptr samples(new char[file.size]); + file.read(samples.get(), file.size); + alBufferData(buffer, format, samples.get(), + static_cast(file.size), + static_cast(file.rate)); + check_al_error("Couldn't fill audio buffer: "); + + return buffer; +} + +std::unique_ptr +SoundManager::intern_create_sound_source(const std::string& filename) +{ + assert(sound_enabled); + + std::unique_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::unique_ptr file(load_sound_file(filename)); + + if(file->size < 100000) { + buffer = load_file_into_buffer(*file); + buffers.insert(std::make_pair(filename, buffer)); + } else { + std::unique_ptr source_(new StreamSoundSource); + source_->set_sound_file(std::move(file)); + return std::move(source_); + } + + log_debug << "Uncached sound \"" << filename << "\" requested to be played" << std::endl; } - Mix_PlayChannel(-1, chunk, 0); + + alSourcei(source->source, AL_BUFFER, buffer); + return std::move(source); } -void -SoundManager::play_sound(const std::string& sound, const MovingObject* object, - const Vector& pos) +std::unique_ptr +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; + + SoundBuffers::iterator i = buffers.find(filename); + // already loaded? + if(i != buffers.end()) return; + try { + std::unique_ptr file (load_sound_file(filename)); + // only keep small files + if(file->size >= 100000) + return; - Mix_Chunk* chunk = preload_sound(sound); - if(chunk == 0) { - std::cerr << "Sound '" << sound << "' not found.\n"; - return; + ALuint buffer = load_file_into_buffer(*file); + 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); + try { + std::unique_ptr source(intern_create_sound_source(filename)); - // very bad way to do this... - if(distance > 100) - Mix_SetPanning(chan, 230, 24); - else if(distance < -100) - Mix_SetPanning(chan, 24, 230); + if(pos.x < 0 || pos.y < 0) { + source->set_relative(true); + } else { + source->set_position(pos); + } + source->play(); + sources.push_back(std::move(source)); + } catch(std::exception& e) { + log_warning << "Couldn't play sound " << filename << ": " << e.what() << std::endl; + } } -MusicRef -SoundManager::load_music(const std::string& file) +void +SoundManager::manage_source(std::unique_ptr source) { - if(!audio_device) - return MusicRef(0); - - if(!exists_music(file)) { - std::stringstream msg; - msg << "Couldn't load musicfile '" << file << "': " << SDL_GetError(); - throw std::runtime_error(msg.str()); + assert(source); + if (dynamic_cast(source.get())) + { + std::unique_ptr openal_source(dynamic_cast(source.release())); + sources.push_back(std::move(openal_source)); } +} - std::map::iterator i = musics.find(file); - assert(i != musics.end()); - return MusicRef(& (i->second)); +void +SoundManager::register_for_update(StreamSoundSource* sss) +{ + if (sss) + { + update_list.push_back(sss); + } } -bool -SoundManager::exists_music(const std::string& file) +void +SoundManager::remove_from_update(StreamSoundSource* sss) { - if(!audio_device) - return true; - - // song already loaded? - std::map::iterator i = musics.find(file); - if(i != musics.end()) { - return true; + if (sss) + { + StreamSoundSources::iterator i = update_list.begin(); + while( i != update_list.end() ){ + if( *i == sss ){ + i = update_list.erase(i); + } else { + ++i; + } + } } - - 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; +void +SoundManager::enable_sound(bool enable) +{ + if(device == NULL) + return; - return true; + sound_enabled = enable; } void -SoundManager::free_music(MusicResource* ) +SoundManager::enable_music(bool enable) { - // 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(device == NULL) + return; + + music_enabled = enable; + if(music_enabled) { + play_music(current_music); + } else { + if(music_source) { + music_source.reset(); + } + } +} + +void +SoundManager::stop_music(float fadetime) +{ + if(fadetime > 0) { + if(music_source + && music_source->get_fade_state() != StreamSoundSource::FadingOff) + music_source->set_fading(StreamSoundSource::FadingOff, fadetime); + } else { + music_source.reset(); + } + current_music = ""; } void -SoundManager::play_music(const MusicRef& musicref, int loops) +SoundManager::play_music(const std::string& filename, bool fade) { - if(!audio_device) + if(filename == current_music && music_source != NULL) + return; + current_music = filename; + if(!music_enabled) return; - if(musicref.music == 0 || current_music == musicref.music) + if(filename == "") { + music_source.reset(); return; + } + + try { + std::unique_ptr newmusic (new StreamSoundSource()); + newmusic->set_sound_file(load_sound_file(filename)); + newmusic->set_looping(true); + newmusic->set_relative(true); + if(fade) + newmusic->set_fading(StreamSoundSource::FadingOn, .5f); + newmusic->play(); - if(current_music) - current_music->refcount--; - - current_music = musicref.music; - current_music->refcount++; - - if(m_music_enabled) - Mix_PlayMusic(current_music->music, loops); + music_source = std::move(newmusic); + } catch(std::exception& e) { + log_warning << "Couldn't play music file '" << filename << "': " << e.what() << std::endl; + // When this happens, previous music continued playing, stop it, just in case. + stop_music(0); + } } void -SoundManager::halt_music() +SoundManager::pause_music(float fadetime) { - if(!audio_device) + if(music_source == NULL) return; - - Mix_HaltMusic(); - - if(current_music) { - current_music->refcount--; - if(current_music->refcount == 0) - free_music(current_music); - current_music = 0; + + if(fadetime > 0) { + if(music_source + && music_source->get_fade_state() != StreamSoundSource::FadingPause) + music_source->set_fading(StreamSoundSource::FadingPause, fadetime); + } else { + music_source->pause(); } } void -SoundManager::enable_music(bool enable) +SoundManager::resume_music(float fadetime) { - if(!audio_device) + if(music_source == NULL) return; - if(enable == m_music_enabled) - return; - - m_music_enabled = enable; - if(m_music_enabled == false) { - Mix_HaltMusic(); + if(fadetime > 0) { + if(music_source + && music_source->get_fade_state() != StreamSoundSource::FadingResume) + music_source->set_fading(StreamSoundSource::FadingResume, fadetime); } else { - if(current_music) - Mix_PlayMusic(current_music->music, -1); + music_source->resume(); } } void -SoundManager::enable_sound(bool enable) +SoundManager::set_listener_position(const Vector& pos) { - if(!audio_device) + static Uint32 lastticks = SDL_GetTicks(); + + Uint32 current_ticks = SDL_GetTicks(); + if(current_ticks - lastticks < 300) return; - - m_sound_enabled = enable; + lastticks = current_ticks; + + alListener3f(AL_POSITION, pos.x, pos.y, 0); } -SoundManager::MusicResource::~MusicResource() +void +SoundManager::set_listener_velocity(const Vector& vel) { - // don't free music buggy SDL_Mixer crashs for some mod files - // Mix_FreeMusic(music); + alListener3f(AL_VELOCITY, vel.x, vel.y, 0); } -Mix_Chunk* SoundManager::preload_sound(const std::string& name) +void +SoundManager::update() { - if(!audio_device) - return 0; + static Uint32 lasttime = SDL_GetTicks(); + Uint32 now = SDL_GetTicks(); + + if(now - lasttime < 300) + return; + lasttime = now; - Sounds::iterator i = sounds.find(name); - if(i != sounds.end()) { - return i->second; + // update and check for finished sound sources + for(SoundSources::iterator i = sources.begin(); i != sources.end(); ) { + auto& source = *i; + + source->update(); + + if(!source->playing()) { + i = sources.erase(i); + } else { + ++i; + } + } + // check streaming sounds + if(music_source) { + music_source->update(); } - 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)); + if (context) + { + alcProcessContext(context); + check_alc_error("Error while processing audio context: "); } - return chunk; + //run update() for stream_sound_source + StreamSoundSources::iterator s = update_list.begin(); + while( s != update_list.end() ){ + (*s)->update(); + ++s; + } +} + +ALenum +SoundManager::get_sample_format(const SoundFile& file) +{ + 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"); +} + +void +SoundManager::print_openal_version() +{ + 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; +} + +void +SoundManager::check_alc_error(const char* message) +{ + int err = alcGetError(device); + if(err != ALC_NO_ERROR) { + std::stringstream msg; + msg << message << alcGetString(device, err); + throw std::runtime_error(msg.str()); + } +} + +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()); + } } +/* EOF */