/**
* Initializes the audio subsystem.
*/
void Game::initAudio()
{
Uint16 format = MIX_DEFAULT_FORMAT;
if (Options::audioBitDepth == 8)
format = AUDIO_S8;
if (Options::audioSampleRate % 11025 != 0)
{
Log(LOG_WARNING) << "Custom sample rate " << Options::audioSampleRate << "Hz, audio that doesn't match will be distorted!";
Log(LOG_WARNING) << "SDL_mixer only supports multiples of 11025Hz.";
}
int minChunk = Options::audioSampleRate / 11025 * 512;
Options::audioChunkSize = std::max(minChunk, Options::audioChunkSize);
if (Mix_OpenAudio(Options::audioSampleRate, format, MIX_DEFAULT_CHANNELS, Options::audioChunkSize) != 0)
{
Log(LOG_ERROR) << Mix_GetError();
Log(LOG_WARNING) << "No sound device detected, audio disabled.";
Options::mute = true;
}
else
{
Mix_AllocateChannels(16);
// Set up UI channels
Mix_ReserveChannels(4);
Mix_GroupChannels(1, 2, 0);
Log(LOG_INFO) << "SDL_mixer initialized successfully.";
setVolume(Options::soundVolume, Options::musicVolume, Options::uiVolume);
}
}
int initAudio()
{
/* Set the audio rate to 44100, default mix, 2 channels and a 1024 byte buffer */
game.audioDisabled = FALSE;
if (Mix_OpenAudio(game.audioQuality, MIX_DEFAULT_FORMAT, 2, 1024) != 0)
{
printf("Could not open audio: %s\n", Mix_GetError());
game.audioDisabled = TRUE;
game.audio = FALSE;
}
else
{
game.audio = TRUE;
Mix_AllocateChannels(MAX_CHANNELS);
Mix_ReserveChannels(2);
Mix_Volume(-1, MIX_MAX_VOLUME);
}
return game.audio;
}
static mrb_value
mrb_sdl2_mixer_reverse_channel(mrb_state *mrb, mrb_value self)
{
mrb_int num;
mrb_get_args(mrb, "i", &num);
return mrb_fixnum_value(Mix_ReserveChannels(num));
}
int main(int argc, char **argv) {
SDL_Init(SDL_INIT_AUDIO);
Mix_Init(MIX_INIT_OGG);
// This reserves channel 0 for other purposes.
// We are just going to verify that we are not
// allocated channel 0 when we call Mix_PlayChannel(-1, ...)
Mix_ReserveChannels(1);
int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
assert(ret == 0);
sound = Mix_LoadWAV("sound.ogg");
assert(sound);
noiseLoop = Mix_LoadWAV("noise.ogg");
assert(noiseLoop);
music = Mix_LoadMUS("music.ogg");
assert(music);
emscripten_set_main_loop(one_iter, 30, 0);
// force a quit
while(Mix_Init(0))
Mix_Quit();
Mix_CloseAudio();
return 0;
}
/**
* Attempt to initialize an audio device. Returns false if initialization fails.
*/
bool init_sound()
{
int audio_rate = 44100;
Uint16 audio_format = AUDIO_S16;
int audio_channels = 2;
int audio_buffers = 2048;
// We should only need to init once
if( !sound_init_success ) {
// Mix_OpenAudio returns non-zero if something went wrong trying to open the device
if( !Mix_OpenAudio( audio_rate, audio_format, audio_channels, audio_buffers ) ) {
Mix_AllocateChannels( 128 );
Mix_ReserveChannels( 24 );
// For the sound effects system.
Mix_GroupChannels( 2, 9, 1 );
Mix_GroupChannels( 0, 1, 2 );
Mix_GroupChannels( 11, 14, 3 );
Mix_GroupChannels( 15, 17, 4 );
sound_init_success = true;
} else {
dbg( D_ERROR ) << "Failed to open audio mixer, sound won't work: " << Mix_GetError();
}
}
return sound_init_success;
}
static int lua_Mix_ReserveChannels(State & state){
Stack * stack = state.stack;
int channels = 0;
if (stack->is<LUA_TNUMBER>(1)){
channels = stack->to<int>(1);
}
stack->push<int>(Mix_ReserveChannels(channels));
return 1;
}
void PGE_Sounds::clearSoundBuffer()
{
Mix_HaltChannel(-1);
for (QHash<QString, Mix_Chunk* >::iterator it=chunksBuffer.begin(); it!=chunksBuffer.end(); ++it)
{
Mix_FreeChunk((*it));
}
chunksBuffer.clear();
Mix_ReserveChannels(0);
}
int Resume_playback(int nc,int nrc)
{
// char SoundcardName[256];
int audio_rate = 44100;
int audio_channels = 2;
int audio_bufsize = AUDIO_BUFFER;
Uint16 audio_format = AUDIO_S16;
SDL_version compile_version;
n_channels=8;
sound_enabled=true;
#ifdef __DEBUG_MESSAGES
output_debug_message("Initializing SDL_mixer.\n");
#endif
if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_bufsize)) {
sound_enabled=false;
#ifdef __DEBUG_MESSAGES
output_debug_message("Unable to open audio: %s\n", Mix_GetError());
output_debug_message("Running the game without audio.\n");
#endif
return -1;
} // if
#ifndef __EMSCRIPTEN__
Mix_QuerySpec (&audio_rate, &audio_format, &audio_channels);
#ifdef __DEBUG_MESSAGES
output_debug_message(" opened %d Hz %d bit %s, %d bytes audio buffer\n",
audio_rate, audio_format & 0xFF,
audio_channels > 1 ? "stereo" : "mono", audio_bufsize);
#endif
#endif
MIX_VERSION (&compile_version);
#ifdef __DEBUG_MESSAGES
output_debug_message(" compiled with SDL_mixer version: %d.%d.%d\n",
compile_version.major,
compile_version.minor,
compile_version.patch);
output_debug_message(" running with SDL_mixer version: %d.%d.%d\n",
Mix_Linked_Version()->major,
Mix_Linked_Version()->minor,
Mix_Linked_Version()->patch);
#endif
if (nc>0) n_channels=Mix_AllocateChannels(nc);
if (nrc>0) Mix_ReserveChannels(nrc);
Sound_unpause_music();
return n_channels;
} /* Resume_playback */
///////////////////////////////////////////////////////////////////////////
//
// SD_Startup() - starts up the Sound Mgr
// Detects all additional sound hardware and installs my ISR
//
///////////////////////////////////////////////////////////////////////////
void
SD_Startup(void)
{
int i;
if (SD_Started)
return;
if((audioMutex = SDL_CreateMutex()) == NULL)
{
printf("Unable to create audio mutex\n");
return;
}
if(Mix_OpenAudio(param_samplerate, AUDIO_S16, 2, param_audiobuffer))
{
printf("Unable to open audio: %s\n", Mix_GetError());
return;
}
Mix_ReserveChannels(2); // reserve player and boss weapon channels
Mix_GroupChannels(2, MIX_CHANNELS-1, 1); // group remaining channels
// Init music
if(YM3812Init(1,3579545,param_samplerate))
{
printf("Unable to create virtual OPL!!\n");
}
for(i=1; i<0xf6; i++)
YM3812Write(oplChip,i,0,MAX_VOLUME);
YM3812Write(oplChip,1,0x20,MAX_VOLUME); // Set WSE=1
// YM3812Write(0,8,0); // Set CSM=0 & SEL=0 // already set in for statement
samplesPerMusicTick = param_samplerate / MUSIC_RATE; // SDL_t0FastAsmService played at 700Hz
Mix_HookMusic(SDL_IMFMusicPlayer, 0);
Mix_ChannelFinished(SD_ChannelFinished);
AdLibPresent = true;
SoundBlasterPresent = true;
alTimeCount = 0;
SD_SetSoundMode(sdm_Off);
SD_SetMusicMode(smm_Off);
SD_Started = true;
SoundInfo.Init();
SoundSeq.Init();
}
bool init_sound() {
LOG_AUDIO << "Initializing audio...\n";
if(SDL_WasInit(SDL_INIT_AUDIO) == 0)
if(SDL_InitSubSystem(SDL_INIT_AUDIO) == -1)
return false;
if(!mix_ok) {
if(Mix_OpenAudio(preferences::sample_rate(), MIX_DEFAULT_FORMAT, 2, preferences::sound_buffer_size()) == -1) {
mix_ok = false;
ERR_AUDIO << "Could not initialize audio: " << Mix_GetError() << std::endl;
return false;
}
mix_ok = true;
Mix_AllocateChannels(n_of_channels);
Mix_ReserveChannels(n_reserved_channels);
channel_chunks.clear();
channel_chunks.resize(n_of_channels, nullptr);
channel_ids.resize(n_of_channels, -1);
Mix_GroupChannel(bell_channel, SOUND_BELL);
Mix_GroupChannel(timer_channel, SOUND_TIMER);
Mix_GroupChannels(source_channel_start, source_channel_last, SOUND_SOURCES);
Mix_GroupChannels(UI_sound_channel_start, UI_sound_channel_last, SOUND_UI);
Mix_GroupChannels(n_reserved_channels, n_of_channels - 1, SOUND_FX);
set_sound_volume(preferences::sound_volume());
set_UI_volume(preferences::UI_volume());
set_music_volume(preferences::music_volume());
set_bell_volume(preferences::bell_volume());
Mix_ChannelFinished(channel_finished_hook);
LOG_AUDIO << "Audio initialized.\n";
DBG_AUDIO << "Channel layout: " << n_of_channels << " channels (" << n_reserved_channels << " reserved)\n"
<< " " << bell_channel << " - bell\n"
<< " " << timer_channel << " - timer\n"
<< " " << source_channel_start << ".." << source_channel_last << " - sound sources\n"
<< " " << UI_sound_channel_start << ".." << UI_sound_channel_last << " - UI\n"
<< " " << UI_sound_channel_last + 1 << ".." << n_of_channels - 1 << " - sound effects\n";
play_music();
}
return true;
}
bool init_sound()
{
VALIDATE(sample_rate, "must call set_play_params before init_sound!");
LOG_AUDIO << "Initializing audio...\n";
if (SDL_WasInit(SDL_INIT_AUDIO) == 0)
if (SDL_InitSubSystem(SDL_INIT_AUDIO) == -1) {
return false;
}
if (!mix_ok) {
if(Mix_OpenAudio(sample_rate, MIX_DEFAULT_FORMAT, 2, buffer_size) == -1) {
mix_ok = false;
ERR_AUDIO << "Could not initialize audio: " << Mix_GetError() << "\n";
return false;
}
mix_ok = true;
Mix_AllocateChannels(n_of_channels);
Mix_ReserveChannels(n_reserved_channels);
channel_chunks.clear();
channel_chunks.resize(n_of_channels, NULL);
channel_ids.resize(n_of_channels, -1);
Mix_GroupChannel(bell_channel, SOUND_BELL);
Mix_GroupChannel(timer_channel, SOUND_TIMER);
Mix_GroupChannels(source_channel_start, source_channel_last, SOUND_SOURCES);
Mix_GroupChannel(UI_sound_channel, SOUND_UI);
Mix_GroupChannels(n_reserved_channels, n_of_channels - 1, SOUND_FX);
set_sound_volume(preferences::sound_volume());
set_UI_volume(preferences::UI_volume());
set_music_volume(preferences::music_volume());
set_bell_volume(preferences::bell_volume());
Mix_ChannelFinished(channel_finished_hook);
LOG_AUDIO << "Audio initialized.\n";
{
int ii = 0;
// play_music();
}
}
return true;
}
void ConfigManager::clearSoundIndex()
{
Mix_ReserveChannels(0);
if(main_sfx_index.isEmpty()) return;
int size = main_sfx_index.size();
obj_sound_index *d = main_sfx_index.data();
for(int i = 0; i < size; i++)
{
if(d[i].chunk)
Mix_FreeChunk(d[i].chunk);
}
main_sfx_index.clear();
}
int open_audio (int frequency, Uint16 format, int channels, int chunksize)
{
if (Mix_OpenAudio( frequency, format, channels, chunksize ) < 0)
return -1;
// allocate 16 channels for mixing
if (Mix_AllocateChannels(8) != 8)
return -2;
/* reserve some channels and register panning effects */
if (Mix_ReserveChannels(SOUND_RESERVED_CHANNELS) != SOUND_RESERVED_CHANNELS)
return -3;
/* prepare the spanning effects */
Mix_SetPanning( SOUND_LEFT_SPEAKER, 230, 24 );
Mix_SetPanning( SOUND_RIGHT_SPEAKER, 24, 230 );
return 0;
}
void Init_Audio()
{
if(Mix_OpenAudio(MIX_DEFAULT_FREQUENCY,AUDIO_S16SYS,2,4096) == -1)
{
fprintf(stderr, "Unable to init SDL Mixer: %s\n", Mix_GetError());
exit(1);
}
atexit(Mix_CloseAudio);
if(Mix_AllocateChannels(32) != 32)
{
fprintf(stderr, "Unable to allocate enough channels: %s\n", Mix_GetError());
exit(1);
}
Mix_VolumeMusic(MIX_MAX_VOLUME>>4);
Mix_ReserveChannels(24);
Mix_GroupChannels(0,3,FX_Bullets); /*bullet spawns*/
Mix_GroupChannels(4,15,FX_Impacts); /*bullet impacts*/
Mix_GroupChannels(16,19,FX_Monsters);/*monsters*/
Mix_GroupChannels(20,23,FX_Player); /*player*/
}
void MusicManager::rebuildSoundCache()
{
// Reinit reserved channels list
int numberOfReservedChannels = 0;
// For sounds which are failing to load
std::string failedSounds;
int countOfFailedSounds = 0;
constexpr static int MaxFailedSoundToDisplay = 15;
for(int i=0; i<91; i++)
{
if(sounds[i].channel != -1)
{
sounds[i].channel = numberOfReservedChannels++;
}
if(sounds[i].needReload)
{
if(!sounds[i].doLoad())
{
countOfFailedSounds++;
if(countOfFailedSounds > MaxFailedSoundToDisplay)
continue;
failedSounds += " " + sounds[i].fullPath + "\n";
}
}
}
Mix_AllocateChannels(numberOfReservedChannels + 32);
Mix_ReserveChannels(numberOfReservedChannels);
if (countOfFailedSounds > MaxFailedSoundToDisplay)
{
failedSounds += "And " + std::to_string(countOfFailedSounds - MaxFailedSoundToDisplay) + " more sounds...\n";
}
if(!failedSounds.empty())
{
std::string errorMsg = "Some audio files failed to load:\n" + failedSounds;
MessageBoxA(0, errorMsg.c_str(), "Errors while loading sound files", MB_OK | MB_ICONWARNING);
}
}
Mix_Chunk *PGE_Sounds::SND_OpenSnd(QString sndFile)
{
QString filePath = sndFile;
Mix_Chunk* tmpChunk = NULL;
if(!chunksBuffer.contains(filePath))
{
tmpChunk = Mix_LoadWAV( sndFile.toUtf8() );
if(!tmpChunk) {
PGE_MsgBox::warn(QString("OpenSFX: Mix_LoadWAV: %1\n%2").arg(sndFile).arg(Mix_GetError()));
}
chunksBuffer[filePath] = tmpChunk;
}
else
{
tmpChunk = chunksBuffer[filePath];
}
Mix_ReserveChannels(chunksBuffer.size()>4 ? 4: chunksBuffer.size());
return tmpChunk;
}
///////////////////////////////////////////////////////////////////////////
//
// SD_Startup() - starts up the Sound Mgr
// Detects all additional sound hardware and installs my ISR
//
///////////////////////////////////////////////////////////////////////////
void SD_Startup(void)
{
int i;
if (SD_Started)
return;
if(Mix_OpenAudio(44100, AUDIO_S16, 2, 2048))
return; /* Unable to open audio */
Mix_ReserveChannels(2); /* reserve player and boss weapon channels */
Mix_GroupChannels(2, MIX_CHANNELS-1, 1); /* group remaining channels */
/* Initialize music */
samplesPerMusicTick = 44100 / 700; /*played at 700Hzs */
if(YM3812Init(1, 3579545, 44100))
printf("Unable to create virtual OPL!!\n");
for(i=1;i<0xf6;i++)
YM3812Write(0,i,0);
YM3812Write(0,1,0x20); /* Set WSE=1 */
Mix_HookMusic(SD_IMFMusicPlayer, 0);
Mix_ChannelFinished(SD_ChannelFinished);
AdLibPresent = true;
SoundBlasterPresent = true;
alTimeCount = 0;
SD_SetSoundMode(SDM_OFF);
SD_SetMusicMode(SMM_OFF);
SD_SetupDigi();
SD_Started = true;
}
bool SDLAudio::Init(void)
{
// TODO: we assume SDLVideo already got loaded
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) {
return false;
}
OurMutex = SDL_CreateMutex();
if (Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 2, 8192) < 0) {
return false;
}
Mix_QuerySpec(&audio_rate, &audio_format, &audio_channels);
channel_data.resize(Mix_AllocateChannels(-1));
for (unsigned int i = 0; i < channel_data.size(); i++) {
channel_data[i] = NULL;
}
g_sdlaudio = this;
Mix_ReserveChannels(1); // for speech
Mix_ChannelFinished(channel_done_callback);
return true;
}
void I_InitSound()
{
int i;
fprintf( stderr, "I_InitSound: ");
SDL_Init(SDL_INIT_AUDIO);
I_InitMusic();
Mix_AllocateChannels(NUM_CHANNELS);
Mix_ReserveChannels(3);
// Initialize external data (all sounds) at start, keep static.
for (i=1 ; i<NUMSFX ; i++)
{
// Alias? Example is the chaingun sound linked to pistol.
if (!S_sfx[i].link)
{
// Load data from WAD file.
S_sfx[i].data = getsfx( S_sfx[i].name, &lengths[i] );
// Samples now 16bit LE stereo, upsampled to double length and padded
S_sfx[i].chunk = Mix_QuickLoad_RAW( S_sfx[i].data, lengths[i] );
}
else
{
// Previously loaded already?
S_sfx[i].data = S_sfx[i].link->data;
lengths[i] = lengths[(S_sfx[i].link - S_sfx)/sizeof(sfxinfo_t)];
S_sfx[i].chunk = Mix_QuickLoad_RAW( S_sfx[i].data, lengths[i] );
}
}
fprintf( stderr, " pre-cached all sound data\n");
// Finished initialization.
fprintf(stderr, "I_InitSound: sound module ready\n");
SDL_PauseAudio(0);
}
/**
* Initializes the audio subsystem.
*/
void Game::initAudio()
{
Uint16 format;
if (Options::audioBitDepth == 8)
format = AUDIO_S8;
else
format = AUDIO_S16SYS;
if (Mix_OpenAudio(Options::audioSampleRate, format, 2, 1024) != 0)
{
Log(LOG_ERROR) << Mix_GetError();
Log(LOG_WARNING) << "No sound device detected, audio disabled.";
Options::mute = true;
}
else
{
Mix_AllocateChannels(16);
// Set up UI channels
Mix_ReserveChannels(4);
Mix_GroupChannels(1, 2, 0);
Log(LOG_INFO) << "SDL_mixer initialized successfully.";
setVolume(Options::soundVolume, Options::musicVolume, Options::uiVolume);
}
}
/**
* @brief Creates a sound group.
*
* @param tag Identifier of the group to create.
* @param start Where to start creating the group.
* @param size Size of the group.
* @param ID of the group on success, otherwise 0.
*/
int sound_mix_createGroup( int size )
{
int ret;
mixGroup_t *g;
/* Create new group. */
ngroups++;
groups = realloc( groups, sizeof(mixGroup_t) * ngroups );
g = &groups[ngroups-1];
/* Reserve channels. */
ret = Mix_ReserveChannels( group_pos + size );
if (ret != group_pos + size) {
WARN("Unable to reserve sound channels: %s", Mix_GetError());
return -1;
}
/* Get a new ID. */
g->id = ++group_idgen;
/* Set group struct. */
g->start = group_pos;
g->end = group_pos+size-1;
/* Create group. */
ret = Mix_GroupChannels( g->start, g->end, g->id );
if (ret != size) {
WARN("Unable to create sound group: %s", Mix_GetError());
ngroups--;
return -1;
}
/* Add to stack. */
group_pos += size;
return g->id;
}
Audio::Audio(ScenarioRunner* sr)
{
Mix_ReserveChannels(1);
this->sr = sr;
}
bool SDLAudio::ReserveCHANS(int num)
{
Mix_ReserveChannels(num);
return true;
}
void ConfigManager::buildSoundIndex()
{
int need_to_reserve = 0;
int total_channels = 32;
bool newBuild = main_sfx_index.empty();
#ifdef DEBUG_BUILD
ElapsedTimer loadingTime;
loadingTime.start();
#endif
if(newBuild)
{
//build array table
main_sfx_index.resize(static_cast<size_t>(main_sound.size()) - 1);
for(unsigned long i = 1; i < main_sound.size(); i++)
{
obj_sound_index sound;
if(main_sound.contains(i))
{
obj_sound &snd = main_sound[i];
#if defined(__unix__) || defined(__APPLE__) || defined(_WIN32)
FileMapper fileMap;
if(fileMap.open_file(snd.absPath.c_str()))
{
sound.chunk = Mix_LoadWAV_RW(SDL_RWFromMem(fileMap.data(),
static_cast<int>(fileMap.size())), 1);
fileMap.close_file();
}
#else
sound.chunk = Mix_LoadWAV(snd.absPath.toUtf8().data());
#endif
sound.path = snd.absPath;
if(!sound.chunk)
pLogWarning("Fail to load sound-%d: %s", i, Mix_GetError());
else
need_to_reserve += (snd.channel >= 0 ? 1 : 0);
sound.channel = snd.channel;
}
main_sfx_index[static_cast<size_t>(i) - 1] = sound;
}
}
else
{
for(unsigned long i = 1; (i < main_sound.size()) && (i <= static_cast<unsigned long>(main_sfx_index.size())); i++)
{
if(main_sound.contains(i))
{
obj_sound_index &sound = main_sfx_index[static_cast<size_t>(i) - 1];
obj_sound &snd = main_sound[i];
sound.setPath(snd.absPath);
if(sound.need_reload)
{
#if defined(__unix__) || defined(__APPLE__) || defined(_WIN32)
FileMapper fileMap;
if(fileMap.open_file(snd.absPath.c_str()))
{
sound.chunk = Mix_LoadWAV_RW(SDL_RWFromMem(fileMap.data(),
static_cast<int>(fileMap.size())),
static_cast<int>(fileMap.size()));
fileMap.close_file();
}
#else
sound.chunk = Mix_LoadWAV(snd.absPath.toUtf8().data());
#endif
}
if(!sound.chunk)
pLogWarning("Fail to load sound-%d: %s", i, Mix_GetError());
else
need_to_reserve += (snd.channel >= 0 ? 1 : 0);
sound.channel = snd.channel;
}
}
}
if(need_to_reserve > 0)
{
total_channels = (total_channels + need_to_reserve + 32);
total_channels = Mix_AllocateChannels(total_channels);
}
//Final channel definition (use reserved channels at end of channels set)
//int set_channel = (total_channels-1);
//for(int i=0; i < main_sfx_index.size(); i++)
//{
// obj_sound_index &sound = main_sfx_index[i];
// if(sound.channel>=0)
// {
// sound.channel = set_channel--;
// }
//}
if(need_to_reserve == total_channels)
need_to_reserve = 0;
//else
// need_to_reserve=set_channel;
#ifndef DEBUG_BUILD
Mix_ReserveChannels(need_to_reserve)
#endif
#define RESERVE_CHANS_COMMAND Mix_ReserveChannels(need_to_reserve)
D_pLogDebug("Loading of sounds passed in %d milliseconds", static_cast<int>(loadingTime.elapsed()));
D_pLogDebug("Reserved audio channels: %d", RESERVE_CHANS_COMMAND);
D_pLogDebug("SFX Index entries: %d", main_sfx_index.size());
#undef RESERVE_CHANS_COMMAND
SDL_ClearError();
}
