bool ckLowLevelAPI::openSoundDevice(u8 channel_num, u16 sample_rate, u16 snd_mix_buf_msec, SoundMixFunction snd_mix_func)
{
if (isSoundDeviceOpen())
{
closeSoundDevice();
}
s_channel_num = channel_num;
s_sample_rate = sample_rate;
s_snd_mix_buf_msec = snd_mix_buf_msec;
s_snd_mix_buf_size = channel_num * sample_rate * 2 * snd_mix_buf_msec / 1000;
s_snd_mix_buf_sample_num = sample_rate * snd_mix_buf_msec / 1000;
// TODO
// s_is_snd_dev_open = true;
return false; // TODO
}
bool fsLowLevelAPI::openSoundDevice(u8 channel_num, u16 sample_rate, u16 snd_mix_buf_msec, SoundMixFunction snd_mix_func)
{
fprintf(stderr,"channel_num %d sample_rate %d snd_mix_buf_mse %d \n",channel_num, sample_rate, snd_mix_buf_msec);
if (isSoundDeviceOpen())
{
closeSoundDevice();
}
pthread_mutex_init(&s_snd_mix_mutex, NULL);
s_snd_mix_func = snd_mix_func;
m_pAudioDevice = alcOpenDevice(NULL);
if (m_pAudioDevice)
{
m_pAlcContext = alcCreateContext(m_pAudioDevice, NULL);
alcMakeContextCurrent(m_pAlcContext);
}
ALenum err = alGetError();
if (err != AL_NO_ERROR)
{
return false;
}
alGenSources(1, &m_AudioSource);
alGenBuffers(BUFFER_COUNT, m_AudioBuffers);
s_channel_num = channel_num;
s_sample_rate = sample_rate;
s_snd_mix_buf_msec = snd_mix_buf_msec;
s_snd_mix_buf_sample_num = sample_rate * snd_mix_buf_msec / 1000;
s_bits_per_sample = 16;
if (s_channel_num != 1 && s_channel_num != 2)
{
return false;
}
switch (s_bits_per_sample){
case 8:
m_AudioFormat = (channel_num == 1) ? AL_FORMAT_MONO8 : AL_FORMAT_STEREO8;
break;
case 16:
m_AudioFormat = (channel_num == 1) ? AL_FORMAT_MONO16 : AL_FORMAT_STEREO16;
break;
default:
return 0;
}
// m_AudioFormat = AL_FORMAT_STEREO16;
s_snd_mix_buf_size = 2 * s_channel_num * s_snd_mix_buf_sample_num;
/*for (s32 i = 0; i < 2; i++)
{
s_snd_mix_buf[i] = ckMalloc(s_snd_mix_buf_size);
ckMemMgr::memset(s_snd_mix_buf[i], 0, s_snd_mix_buf_size);
}*/
buf = fsMalloc(s_snd_mix_buf_size);
s_snd_mix_buf = fsMalloc(s_snd_mix_buf_size*2);
//alGenBuffers(BUFFER_COUNT, m_AudioBuffers);
//alGenSources(1, &m_AudioSource);
//alSourcePlay(m_AudioSource);
s_is_playing = true;
if (pthread_create(&s_snd_play_thread, NULL, soundPlayThread, NULL) != 0)
{
s_is_playing = false;
closeSoundDevice();
return false;
}
// if (pthread_create(&s_snd_play_thread, NULL, soundPlayThread, NULL) != 0)
// {
// s_is_playing = false;
// closeSoundDevice();
// return false;
// }
//
s_is_snd_dev_open = true;
return true;
}
