/** Start a compressed sound channel */
static glui32 play_compressed(schanid_t chan, char *ext)
{
SDL_LockAudio();
chan->status = CHANNEL_SOUND;
chan->buffered = 1;
chan->sdl_channel = Mix_GroupAvailable(FREE);
Mix_GroupChannel(chan->sdl_channel, BUSY);
SDL_UnlockAudio();
chan->decode = Sound_NewSample(chan->sdl_rwops, ext, output, 65536);
Uint32 soundbytes = Sound_Decode(chan->decode);
Sound_Sample *sample = chan->decode;
chan->sample = Mix_QuickLoad_RAW(sample->buffer, soundbytes);
if (chan->sdl_channel < 0)
gli_strict_warning("No available sound channels");
if (chan->sdl_channel >= 0 && chan->sample)
{
SDL_LockAudio();
sound_channels[chan->sdl_channel] = chan;
SDL_UnlockAudio();
Mix_Volume(chan->sdl_channel, chan->volume);
Mix_ChannelFinished(&sound_completion_callback);
if (Mix_PlayChannel(chan->sdl_channel, chan->sample, 0) >= 0)
return 1;
}
gli_strict_warning("play sound failed");
gli_strict_warning(Mix_GetError());
SDL_LockAudio();
cleanup_channel(chan);
SDL_UnlockAudio();
return 0;
}
/** Start a sound channel */
static glui32 play_sound(schanid_t chan)
{
SDL_LockAudio();
chan->status = CHANNEL_SOUND;
chan->buffered = 0;
chan->sdl_channel = Mix_GroupAvailable(FREE);
Mix_GroupChannel(chan->sdl_channel, BUSY);
SDL_UnlockAudio();
chan->sample = Mix_LoadWAV_RW(chan->sdl_rwops, FALSE);
if (chan->sdl_channel < 0)
{
gli_strict_warning("No available sound channels");
}
if (chan->sdl_channel >= 0 && chan->sample)
{
SDL_LockAudio();
sound_channels[chan->sdl_channel] = chan;
SDL_UnlockAudio();
Mix_Volume(chan->sdl_channel, chan->volume);
Mix_ChannelFinished(&sound_completion_callback);
if (Mix_PlayChannel(chan->sdl_channel, chan->sample, chan->loop-1) >= 0)
return 1;
}
gli_strict_warning("play sound failed");
gli_strict_warning(Mix_GetError());
SDL_LockAudio();
cleanup_channel(chan);
SDL_UnlockAudio();
return 0;
}
static mrb_value
mrb_sdl2_mixer_group_channel(mrb_state *mrb, mrb_value self)
{
mrb_int from, tag;
mrb_get_args(mrb, "ii", &from, &tag);
return mrb_fixnum_value(Mix_GroupChannel(from, tag));
}
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;
}
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;
}
/* Assign several consecutive channels to a group */
int Mix_GroupChannels(int from, int to, int tag)
{
int status = 0;
for( ; from <= to; ++ from ) {
status += Mix_GroupChannel(from, tag);
}
return(status);
}
static int lua_Mix_GroupChannel(State & state){
Stack * stack = state.stack;
int channel = 0;
int tag = -1;
if (stack->is<LUA_TNUMBER>(1)){
channel = stack->to<int>(1);
if (stack->is<LUA_TNUMBER>(2)){
tag = stack->to<int>(2);
}
int result = Mix_GroupChannel(channel, tag);
stack->push<int>(result == 1);
return 1;
}
return 0;
}
bool SDLAudio::GroupCHAN(int chan, std::string name)
{
/** Check to see if we've created it */
SListIterator<SGZChanGroup*> GroupListITR = GroupList.GetIterator();
for( GroupListITR.Start(); GroupListITR.Valid(); GroupListITR.Forth() )
if((GroupListITR.Item()->Name.compare(name))==0)
{
Mix_GroupChannel(chan, GroupListITR.Item()->groupNum);
return true;
}
SGZLogger.warn("AudioMAN: Group \"%s\" doesn't exist!\n", name.c_str());
return false;
}
static void cleanup_channel(schanid_t chan)
{
if (chan->sdl_rwops)
{
if (!chan->decode)
SDL_FreeRW(chan->sdl_rwops);
else
Sound_FreeSample(chan->decode);
chan->sdl_rwops = 0;
chan->decode = 0;
chan->buffered = 0;
}
if (chan->sdl_memory)
{
free(chan->sdl_memory);
chan->sdl_memory = 0;
}
switch (chan->status)
{
case CHANNEL_SOUND:
if (chan->sample)
Mix_FreeChunk(chan->sample);
if (chan->sdl_channel >= 0)
{
Mix_GroupChannel(chan->sdl_channel, FREE);
sound_channels[chan->sdl_channel] = 0;
}
break;
case CHANNEL_MUSIC:
if (chan->music)
{
Mix_FreeMusic(chan->music);
music_channel = 0;
}
break;
}
chan->status = CHANNEL_IDLE;
chan->sdl_channel = -1;
chan->music = 0;
}
void SDLAudio::group_to(int channel, int tag) {
Mix_GroupChannel(channel, tag);
}
