jailers/JailAudioSDL3
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- Ultims commits de la rama principal aplicats (no probat)

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This commit is contained in:
Raimon Zamora
2025-03-27 12:04:43 +01:00
parent e994ab2678
commit c61f02faff
4 changed files with 89 additions and 2 deletions
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67
jail_audio.cpp
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@@ -45,6 +45,11 @@ bool JA_soundEnabled { true };
SDL_AudioDeviceID sdlAudioDevice { 0 };
SDL_TimerID JA_timerID { 0 };
bool fading = false;
int fade_start_time;
int fade_duration;
int fade_initial_volume;
/*
void audioCallback(void * userdata, uint8_t * stream, int len) {
SDL_memset(stream, 0, len);
@@ -87,10 +92,23 @@ Uint32 JA_UpdateCallback(void *userdata, SDL_TimerID timerID, Uint32 interval)
{
if (JA_musicEnabled && current_music && current_music->state == JA_MUSIC_PLAYING)
{
if (fading) {
int time = SDL_GetTicks();
if (time > (fade_start_time+fade_duration)) {
fading = false;
JA_StopMusic();
} else {
const int time_passed = time - fade_start_time;
const float percent = (float)time_passed / (float)fade_duration;
SDL_SetAudioStreamGain(current_music->stream, 1.0 - percent);
}
}
if (current_music->times != 0)
{
if (SDL_GetAudioStreamAvailable(current_music->stream) < (current_music->length/2))
if (SDL_GetAudioStreamAvailable(current_music->stream) < (current_music->length/2)) {
SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length);
}
if (current_music->times>0) current_music->times--;
}
else
@@ -123,9 +141,15 @@ Uint32 JA_UpdateCallback(void *userdata, SDL_TimerID timerID, Uint32 interval)
void JA_Init(const int freq, const SDL_AudioFormat format, const int channels)
{
#ifdef DEBUG
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG);
#endif
SDL_Log("Iniciant JailAudio...");
JA_audioSpec = {format, channels, freq };
if (!sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice);
sdlAudioDevice = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &JA_audioSpec);
SDL_Log( (sdlAudioDevice==0) ? "Failed to initialize SDL audio!\n" : "OK!\n");
SDL_PauseAudioDevice(sdlAudioDevice);
JA_timerID = SDL_AddTimer(30, JA_UpdateCallback, nullptr);
}
@@ -225,6 +249,17 @@ void JA_StopMusic()
current_music->stream = nullptr;
}
void JA_FadeOutMusic(const int milliseconds)
{
if (!JA_musicEnabled) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
fading = true;
fade_start_time = SDL_GetTicks();
fade_duration = milliseconds;
fade_initial_volume = JA_musicVolume;
}
JA_Music_state JA_GetMusicState()
{
if (!JA_musicEnabled) return JA_MUSIC_DISABLED;
@@ -248,6 +283,18 @@ float JA_SetMusicVolume(float volume)
return JA_musicVolume;
}
void JA_SetMusicPosition(float value)
{
if (!current_music) return;
current_music->pos = value * current_music->spec.freq;
}
float JA_GetMusicPosition()
{
if (!current_music) return 0;
return float(current_music->pos)/float(current_music->spec.freq);
}
void JA_EnableMusic(const bool value)
{
if ( !value && current_music && (current_music->state==JA_MUSIC_PLAYING) ) JA_StopMusic();
@@ -303,6 +350,24 @@ int JA_PlaySound(JA_Sound_t *sound, const int loop)
return channel;
}
int JA_PlaySoundOnChannel(JA_Sound_t *sound, const int channel, const int loop)
{
if (!JA_soundEnabled) return -1;
if (channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return -1;
channels[channel].sound = sound;
channels[channel].times = loop;
channels[channel].pos = 0;
channels[channel].state = JA_CHANNEL_PLAYING;
channels[channel].stream = SDL_CreateAudioStream(&channels[channel].sound->spec, &JA_audioSpec);
SDL_PutAudioStreamData(channels[channel].stream, channels[channel].sound->buffer, channels[channel].sound->length);
SDL_SetAudioStreamGain(channels[channel].stream, JA_soundVolume);
SDL_BindAudioStream(sdlAudioDevice, channels[channel].stream);
return channel;
}
void JA_DeleteSound(JA_Sound_t *sound)
{
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {