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Global initialization of sound using SoundManagerGlobal (#7063) 

* Global initialization of sound using SoundManagerGlobal
master
nOOb3167 2018-03-23 15:31:43 +01:00 committed by Loïc Blot
parent 9fcc0c1217
commit 9293d8e271
5 changed files with 116 additions and 84 deletions
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9
src/client/clientlauncher.cpp
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@ -35,6 +35,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "renderingengine.h"
#include "network/networkexceptions.h"
#if USE_SOUND
#include "sound_openal.h"
#endif
/* mainmenumanager.h
*/
gui::IGUIEnvironment *guienv = nullptr;
@ -71,6 +75,11 @@ bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
if (list_video_modes)
return RenderingEngine::print_video_modes();
#if USE_SOUND
if (g_settings->getBool("enable_sound"))
g_sound_manager_singleton = createSoundManagerSingleton();
#endif
if (!init_engine()) {
errorstream << "Could not initialize game engine." << std::endl;
return false;

2
src/game.cpp
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@ -1219,7 +1219,7 @@ bool Game::initSound()
#if USE_SOUND
if (g_settings->getBool("enable_sound")) {
infostream << "Attempting to use OpenAL audio" << std::endl;
sound = createOpenALSoundManager(&soundfetcher);
sound = createOpenALSoundManager(g_sound_manager_singleton.get(), &soundfetcher);
if (!sound)
infostream << "Failed to initialize OpenAL audio" << std::endl;
} else

2
src/gui/guiEngine.cpp
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@ -137,7 +137,7 @@ GUIEngine::GUIEngine(JoystickController *joystick,
//create soundmanager
MenuMusicFetcher soundfetcher;
#if USE_SOUND
m_sound_manager = createOpenALSoundManager(&soundfetcher);
m_sound_manager = createOpenALSoundManager(g_sound_manager_singleton.get(), &soundfetcher);
#endif
if(!m_sound_manager)
m_sound_manager = &dummySoundManager;

157
src/sound_openal.cpp
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@ -45,9 +45,29 @@ with this program; ifnot, write to the Free Software Foundation, Inc.,
#include <vector>
#include <fstream>
#include <unordered_map>
#include <unordered_set>
#define BUFFER_SIZE 30000
std::shared_ptr<SoundManagerSingleton> g_sound_manager_singleton;
typedef std::unique_ptr<ALCdevice, void (*)(ALCdevice *p)> unique_ptr_alcdevice;
typedef std::unique_ptr<ALCcontext, void(*)(ALCcontext *p)> unique_ptr_alccontext;
static void delete_alcdevice(ALCdevice *p)
{
if (p)
alcCloseDevice(p);
}
static void delete_alccontext(ALCcontext *p)
{
if (p) {
alcMakeContextCurrent(nullptr);
alcDestroyContext(p);
}
}
static const char *alcErrorString(ALCenum err)
{
switch (err) {
@ -146,7 +166,7 @@ SoundBuffer *load_opened_ogg_file(OggVorbis_File *oggFile,
infostream << "Audio: Error decoding "
<< filename_for_logging << std::endl;
delete snd;
return NULL;
return nullptr;
}
// Append to end of buffer
@ -184,7 +204,7 @@ SoundBuffer *load_ogg_from_file(const std::string &path)
if (ov_fopen(path.c_str(), &oggFile) != 0) {
infostream << "Audio: Error opening " << path
<< " for decoding" << std::endl;
return NULL;
return nullptr;
}
return load_opened_ogg_file(&oggFile, path);
@ -237,7 +257,7 @@ long BufferSourceell_func(void *datasource)
static ov_callbacks g_buffer_ov_callbacks = {
&buffer_sound_read_func,
&buffer_sound_seek_func,
NULL,
nullptr,
&BufferSourceell_func
};
@ -250,10 +270,10 @@ SoundBuffer *load_ogg_from_buffer(const std::string &buf, const std::string &id_
s.cur_offset = 0;
s.len = buf.size();
if (ov_open_callbacks(&s, &oggFile, NULL, 0, g_buffer_ov_callbacks) != 0) {
if (ov_open_callbacks(&s, &oggFile, nullptr, 0, g_buffer_ov_callbacks) != 0) {
infostream << "Audio: Error opening " << id_for_log
<< " for decoding" << std::endl;
return NULL;
return nullptr;
}
return load_opened_ogg_file(&oggFile, id_for_log);
@ -265,6 +285,43 @@ struct PlayingSound
bool loop;
};
class SoundManagerSingleton
{
public:
unique_ptr_alcdevice m_device;
unique_ptr_alccontext m_context;
public:
SoundManagerSingleton() :
m_device(nullptr, delete_alcdevice),
m_context(nullptr, delete_alccontext)
{
if (!(m_device = unique_ptr_alcdevice(alcOpenDevice(nullptr), delete_alcdevice)))
throw std::runtime_error("Audio: Global Initialization: Device Open");
if (!(m_context = unique_ptr_alccontext(
alcCreateContext(m_device.get(), nullptr), delete_alccontext))) {
throw std::runtime_error("Audio: Global Initialization: Context Create");
}
if (!alcMakeContextCurrent(m_context.get()))
throw std::runtime_error("Audio: Global Initialization: Context Current");
alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
if (alGetError() != AL_NO_ERROR)
throw std::runtime_error("Audio: Global Initialization: OpenAL Error");
infostream << "Audio: Global Initialized: OpenAL " << alGetString(AL_VERSION)
<< ", using " << alcGetString(m_device.get(), ALC_DEVICE_SPECIFIER)
<< std::endl;
}
~SoundManagerSingleton()
{
infostream << "Audio: Global Deinitialized." << std::endl;
}
};
class OpenALSoundManager: public ISoundManager
{
private:
@ -290,68 +347,27 @@ private:
std::unordered_map<int, FadeState> m_sounds_fading;
float m_fade_delay;
public:
bool m_is_initialized;
OpenALSoundManager(OnDemandSoundFetcher *fetcher):
OpenALSoundManager(SoundManagerSingleton *smg, OnDemandSoundFetcher *fetcher):
m_fetcher(fetcher),
m_device(NULL),
m_context(NULL),
m_device(smg->m_device.get()),
m_context(smg->m_context.get()),
m_next_id(1),
m_fade_delay(0),
m_is_initialized(false)
m_fade_delay(0)
{
ALCenum error = ALC_NO_ERROR;
infostream<<"Audio: Initializing..."<<std::endl;
m_device = alcOpenDevice(NULL);
if(!m_device){
infostream<<"Audio: No audio device available, audio system "
<<"not initialized"<<std::endl;
return;
}
m_context = alcCreateContext(m_device, NULL);
if(!m_context){
error = alcGetError(m_device);
infostream<<"Audio: Unable to initialize audio context, "
<<"aborting audio initialization ("<<alcErrorString(error)
<<")"<<std::endl;
alcCloseDevice(m_device);
m_device = NULL;
return;
}
if(!alcMakeContextCurrent(m_context) ||
(error = alcGetError(m_device) != ALC_NO_ERROR))
{
infostream<<"Audio: Error setting audio context, aborting audio "
<<"initialization ("<<alcErrorString(error)<<")"<<std::endl;
alcDestroyContext(m_context);
m_context = NULL;
alcCloseDevice(m_device);
m_device = NULL;
return;
}
alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
infostream<<"Audio: Initialized: OpenAL "<<alGetString(AL_VERSION)
<<", using "<<alcGetString(m_device, ALC_DEVICE_SPECIFIER)
<<std::endl;
m_is_initialized = true;
infostream << "Audio: Initialized: OpenAL " << std::endl;
}
~OpenALSoundManager()
{
infostream << "Audio: Deinitializing..." << std::endl;
// KABOOM!
// TODO: Clear SoundBuffers
alcMakeContextCurrent(NULL);
alcDestroyContext(m_context);
m_context = NULL;
alcCloseDevice(m_device);
m_device = NULL;
std::unordered_set<int> source_del_list;
for (const auto &sp : m_sounds_playing)
source_del_list.insert(sp.second->source_id);
for (const auto &id : source_del_list)
deleteSound(id);
for (auto &buffer : m_buffers) {
for (SoundBuffer *sb : buffer.second) {
@ -360,6 +376,7 @@ public:
buffer.second.clear();
}
m_buffers.clear();
infostream << "Audio: Deinitialized." << std::endl;
}
@ -386,7 +403,7 @@ public:
std::unordered_map<std::string, std::vector<SoundBuffer*>>::iterator i =
m_buffers.find(name);
if(i == m_buffers.end())
return NULL;
return nullptr;
std::vector<SoundBuffer*> &bufs = i->second;
int j = myrand() % bufs.size();
return bufs[j];
@ -486,7 +503,7 @@ public:
if(buf)
return buf;
if(!m_fetcher)
return NULL;
return nullptr;
std::set<std::string> paths;
std::set<std::string> datas;
m_fetcher->fetchSounds(name, paths, datas);
@ -505,8 +522,8 @@ public:
verbosestream<<"OpenALSoundManager::maintain(): "
<<m_sounds_playing.size()<<" playing sounds, "
<<m_buffers.size()<<" sound names loaded"<<std::endl;
std::set<int> del_list;
for (auto &sp : m_sounds_playing) {
std::unordered_set<int> del_list;
for (const auto &sp : m_sounds_playing) {
int id = sp.first;
PlayingSound *sound = sp.second;
// If not playing, remove it
@ -683,12 +700,12 @@ public:
}
};
ISoundManager *createOpenALSoundManager(OnDemandSoundFetcher *fetcher)
std::shared_ptr<SoundManagerSingleton> createSoundManagerSingleton()
{
OpenALSoundManager *m = new OpenALSoundManager(fetcher);
if(m->m_is_initialized)
return m;
delete m;
return NULL;
};
return std::shared_ptr<SoundManagerSingleton>(new SoundManagerSingleton());
}
ISoundManager *createOpenALSoundManager(SoundManagerSingleton *smg, OnDemandSoundFetcher *fetcher)
{
return new OpenALSoundManager(smg, fetcher);
};

8
src/sound_openal.h
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@ -19,6 +19,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#pragma once
#include <memory>
#include "sound.h"
ISoundManager *createOpenALSoundManager(OnDemandSoundFetcher *fetcher);
class SoundManagerSingleton;
extern std::shared_ptr<SoundManagerSingleton> g_sound_manager_singleton;
std::shared_ptr<SoundManagerSingleton> createSoundManagerSingleton();
ISoundManager *createOpenALSoundManager(SoundManagerSingleton *smg, OnDemandSoundFetcher *fetcher);