jailers/JailAudioSDL3
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- Removed volume per channel

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- [NEW] JA_SetSoundVolume sets volume for all sound effects
- [NEW] JA_SetMusicVolume sets volume for the music
- JA_SetVolume works as always: sets volume for both, with sounds volume halved.
This commit is contained in:
Raimon Zamora
2022-11-24 16:10:33 +01:00
parent 42986dd46a
commit debd80f6af
2 changed files with 19 additions and 13 deletions
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29
jail_audio.cpp
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@@ -14,7 +14,6 @@ struct JA_Channel_t {
JA_Sound sound;
int pos {0};
int times {0};
int volume {64};
JA_Channel_state state { JA_CHANNEL_FREE };
};
@@ -32,18 +31,19 @@ JA_Channel_t channels[JA_MAX_SIMULTANEOUS_CHANNELS];
int JA_freq {48000};
SDL_AudioFormat JA_format {AUDIO_S16};
Uint8 JA_channels {2};
int JA_volume = 128;
int JA_musicvolume = 128;
int JA_soundvolume = 64;
SDL_AudioDeviceID sdlAudioDevice = 0;
void audioCallback(void * userdata, uint8_t * stream, int len) {
SDL_memset(stream, 0, len);
if (current_music != NULL && current_music->state == JA_MUSIC_PLAYING) {
const int size = SDL_min(len, current_music->samples*2-current_music->pos);
SDL_MixAudioFormat(stream, (Uint8*)(current_music->output+current_music->pos), AUDIO_S16, size, JA_volume);
SDL_MixAudioFormat(stream, (Uint8*)(current_music->output+current_music->pos), AUDIO_S16, size, JA_musicvolume);
current_music->pos += size/2;
if (size < len) {
if (current_music->times != 0) {
SDL_MixAudioFormat(stream+size, (Uint8*)current_music->output, AUDIO_S16, len-size, JA_volume);
SDL_MixAudioFormat(stream+size, (Uint8*)current_music->output, AUDIO_S16, len-size, JA_musicvolume);
current_music->pos = (len-size)/2;
if (current_music->times > 0) current_music->times--;
} else {
@@ -56,11 +56,11 @@ void audioCallback(void * userdata, uint8_t * stream, int len) {
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
if (channels[i].state == JA_CHANNEL_PLAYING) {
const int size = SDL_min(len, channels[i].sound->length - channels[i].pos);
SDL_MixAudioFormat(stream, channels[i].sound->buffer + channels[i].pos, AUDIO_S16, size, channels[i].volume);
SDL_MixAudioFormat(stream, channels[i].sound->buffer + channels[i].pos, AUDIO_S16, size, JA_soundvolume);
channels[i].pos += size;
if (size < len) {
if (channels[i].times != 0) {
SDL_MixAudioFormat(stream + size, channels[i].sound->buffer, AUDIO_S16, len-size, channels[i].volume);
SDL_MixAudioFormat(stream + size, channels[i].sound->buffer, AUDIO_S16, len-size, JA_soundvolume);
channels[i].pos = len-size;
if (channels[i].times > 0) channels[i].times--;
} else {
@@ -244,13 +244,18 @@ JA_Channel_state JA_GetChannelState(const int channel) {
return channels[channel].state;
}
int JA_SetChannelVolume(const int channel, int volume) {
if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return JA_CHANNEL_INVALID;
channels[channel].volume = volume > 128 ? 128 : volume < 0 ? 0 : volume;
return channels[channel].volume;
int JA_SetSoundVolume(int volume) {
JA_soundvolume = volume > 128 ? 128 : volume < 0 ? 0 : volume;
return JA_soundvolume;
}
int JA_SetMusicVolume(int volume) {
JA_musicvolume = volume > 128 ? 128 : volume < 0 ? 0 : volume;
return JA_musicvolume;
}
int JA_SetVolume(int volume) {
JA_volume = volume > 128 ? 128 : volume < 0 ? 0 : volume;
return JA_volume;
JA_musicvolume = volume > 128 ? 128 : volume < 0 ? 0 : volume;
JA_soundvolume = JA_musicvolume/2;
return JA_musicvolume;
}