jailers/JailAudioSDL3
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- Pas complet a SDL3

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Raimon Zamora
2024-11-06 20:23:35 +01:00
parent f0687f9f4d
commit d7d813718c
3 changed files with 183 additions and 275 deletions
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284
jail_audio.cpp
View File

@@ -1,43 +1,51 @@
#ifndef JA_USESDLMIXER #ifndef JA_USESDLMIXER
#include "jail_audio.h" #include "jail_audio.h"
#include "stb_vorbis.c" #include "stb_vorbis.c"
#include <SDL2/SDL.h> #include <SDL3/SDL.h>
#include <stdio.h> #include <stdio.h>
#define JA_MAX_SIMULTANEOUS_CHANNELS 5 #define JA_MAX_SIMULTANEOUS_CHANNELS 5
struct JA_Sound_t { struct JA_Sound_t
Uint32 length {0}; {
Uint8* buffer {NULL}; SDL_AudioSpec spec { SDL_AUDIO_S16, 2, 48000 };
Uint32 length { 0 };
Uint8 *buffer { NULL };
}; };
struct JA_Channel_t { struct JA_Channel_t
JA_Sound_t *sound; {
int pos {0}; JA_Sound_t *sound { nullptr };
int times {0}; int pos { 0 };
JA_Channel_state state { JA_CHANNEL_FREE }; int times { 0 };
SDL_AudioStream *stream { nullptr };
JA_Channel_state state { JA_CHANNEL_FREE };
}; };
struct JA_Music_t { struct JA_Music_t
int samples {0}; {
int pos {0}; SDL_AudioSpec spec { SDL_AUDIO_S16, 2, 48000 };
int times {0}; Uint32 length { 0 };
short* output {NULL}; Uint8 *buffer { nullptr };
JA_Music_state state {JA_MUSIC_INVALID};
int pos { 0 };
int times { 0 };
SDL_AudioStream *stream { nullptr };
JA_Music_state state { JA_MUSIC_INVALID };
}; };
JA_Music_t *current_music{NULL}; JA_Music_t *current_music { nullptr };
JA_Channel_t channels[JA_MAX_SIMULTANEOUS_CHANNELS]; JA_Channel_t channels[JA_MAX_SIMULTANEOUS_CHANNELS];
int JA_freq {48000}; SDL_AudioSpec JA_audioSpec { SDL_AUDIO_S16, 2, 48000 };
SDL_AudioFormat JA_format {AUDIO_S16}; float JA_musicVolume { 1.0f };
Uint8 JA_channels {2}; float JA_soundVolume { 0.5f };
int JA_musicVolume = 128; bool JA_musicEnabled { true };
int JA_soundVolume = 64; bool JA_soundEnabled { true };
bool JA_musicEnabled = true; SDL_AudioDeviceID sdlAudioDevice { 0 };
bool JA_soundEnabled = true; SDL_TimerID JA_timerID { 0 };
SDL_AudioDeviceID sdlAudioDevice = 0;
/*
void audioCallback(void * userdata, uint8_t * stream, int len) { void audioCallback(void * userdata, uint8_t * stream, int len) {
SDL_memset(stream, 0, len); SDL_memset(stream, 0, len);
if (current_music != NULL && current_music->state == JA_MUSIC_PLAYING) { if (current_music != NULL && current_music->state == JA_MUSIC_PLAYING) {
@@ -73,42 +81,77 @@ void audioCallback(void * userdata, uint8_t * stream, int len) {
} }
} }
} }
*/
void JA_Init(const int freq, const SDL_AudioFormat format, const int channels) { Uint32 JA_UpdateCallback(void *userdata, SDL_TimerID timerID, Uint32 interval)
JA_freq = freq; {
JA_format = format; if (JA_musicEnabled && current_music && current_music->state == JA_MUSIC_PLAYING)
JA_channels = channels; {
SDL_AudioSpec audioSpec{JA_freq, JA_format, JA_channels, 0, 1024, 0, 0, audioCallback, NULL}; if (current_music->times != 0)
if (sdlAudioDevice != 0) SDL_CloseAudioDevice(sdlAudioDevice); {
sdlAudioDevice = SDL_OpenAudioDevice(NULL, 0, &audioSpec, NULL, 0); if (SDL_GetAudioStreamAvailable(current_music->stream) < (current_music->length/2))
SDL_PauseAudioDevice(sdlAudioDevice, 0); SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length);
if (current_music->times>0) current_music->times--;
}
else
{
if (SDL_GetAudioStreamAvailable(current_music->stream) == 0) JA_StopMusic();
}
}
if (JA_soundEnabled)
{
for (int i=0; i < JA_MAX_SIMULTANEOUS_CHANNELS; ++i)
if (channels[i].state == JA_CHANNEL_PLAYING)
{
if (channels[i].times != 0)
{
if (SDL_GetAudioStreamAvailable(channels[i].stream) < (channels[i].sound->length/2))
SDL_PutAudioStreamData(channels[i].stream, channels[i].sound->buffer, channels[i].sound->length);
if (channels[i].times>0) channels[i].times--;
}
}
else
{
if (SDL_GetAudioStreamAvailable(channels[i].stream) == 0) JA_StopChannel(i);
}
}
return 30;
} }
void JA_Quit() { void JA_Init(const int freq, const SDL_AudioFormat format, const int channels)
SDL_PauseAudioDevice(sdlAudioDevice, 1); {
if (sdlAudioDevice != 0) SDL_CloseAudioDevice(sdlAudioDevice); JA_audioSpec = {format, channels, freq };
if (!sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice);
sdlAudioDevice = SDL_OpenAudioDevice(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &JA_audioSpec);
SDL_PauseAudioDevice(sdlAudioDevice);
JA_timerID = SDL_AddTimer(30, JA_UpdateCallback, nullptr);
}
void JA_Quit()
{
if (JA_timerID) SDL_RemoveTimer(JA_timerID);
if (!sdlAudioDevice) SDL_CloseAudioDevice(sdlAudioDevice);
sdlAudioDevice = 0; sdlAudioDevice = 0;
} }
JA_Music_t *JA_LoadMusic(Uint8* buffer, Uint32 length) JA_Music_t *JA_LoadMusic(Uint8* buffer, Uint32 length)
{ {
int chan, samplerate;
JA_Music_t *music = new JA_Music_t(); JA_Music_t *music = new JA_Music_t();
music->samples = stb_vorbis_decode_memory(buffer, length, &chan, &samplerate, &music->output); int chan, samplerate;
// [RZC 28/08/22] Abans el descomprimiem mentre el teniem obert short *output;
// music->samples = stb_vorbis_decode_filename(filename, &chan, &samplerate, &music->output); music->length = stb_vorbis_decode_memory(buffer, length, &chan, &samplerate, &output) * chan * 2;
SDL_AudioCVT cvt; music->spec.channels = chan;
SDL_BuildAudioCVT(&cvt, AUDIO_S16, chan, samplerate, JA_format, JA_channels, JA_freq); music->spec.freq = samplerate;
if (cvt.needed) { music->spec.format = SDL_AUDIO_S16;
cvt.len = music->samples * chan * 2; music->buffer = (Uint8*)SDL_malloc(music->length);
cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult); SDL_memcpy(music->buffer, output, music->length);
SDL_memcpy(cvt.buf, music->output, cvt.len); SDL_free(output);
SDL_ConvertAudio(&cvt);
free(music->output);
music->output = (short*)cvt.buf;
}
music->pos = 0; music->pos = 0;
music->state = JA_MUSIC_STOPPED; music->state = JA_MUSIC_STOPPED;
@@ -145,55 +188,69 @@ void JA_PlayMusic(JA_Music_t *music, const int loop)
current_music->pos = 0; current_music->pos = 0;
current_music->state = JA_MUSIC_PLAYING; current_music->state = JA_MUSIC_PLAYING;
current_music->times = loop; current_music->times = loop;
current_music->stream = SDL_CreateAudioStream(&current_music->spec, &JA_audioSpec);
if (!SDL_PutAudioStreamData(current_music->stream, current_music->buffer, current_music->length)) printf("[ERROR] SDL_PutAudioStreamData failed!\n");
SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
if (!SDL_BindAudioStream(sdlAudioDevice, current_music->stream)) printf("[ERROR] SDL_BindAudioStream failed!\n");
} }
void JA_PauseMusic() void JA_PauseMusic()
{ {
if (!JA_musicEnabled) return; if (!JA_musicEnabled) return;
if (!current_music || current_music->state == JA_MUSIC_INVALID) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
current_music->state = JA_MUSIC_PAUSED; current_music->state = JA_MUSIC_PAUSED;
SDL_PauseAudioStreamDevice(current_music->stream);
} }
void JA_ResumeMusic() void JA_ResumeMusic()
{ {
if (!JA_musicEnabled) return; if (!JA_musicEnabled) return;
if (!current_music || current_music->state == JA_MUSIC_INVALID) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
current_music->state = JA_MUSIC_PLAYING; current_music->state = JA_MUSIC_PLAYING;
SDL_ResumeAudioStreamDevice(current_music->stream);
} }
void JA_StopMusic() void JA_StopMusic()
{ {
if (!JA_musicEnabled) return; if (!JA_musicEnabled) return;
if (!current_music || current_music->state == JA_MUSIC_INVALID) return;
if (current_music == NULL || current_music->state == JA_MUSIC_INVALID) return;
current_music->pos = 0; current_music->pos = 0;
current_music->state = JA_MUSIC_STOPPED; current_music->state = JA_MUSIC_STOPPED;
SDL_PauseAudioStreamDevice(current_music->stream);
SDL_DestroyAudioStream(current_music->stream);
current_music->stream = nullptr;
} }
JA_Music_state JA_GetMusicState() { JA_Music_state JA_GetMusicState()
{
if (!JA_musicEnabled) return JA_MUSIC_DISABLED; if (!JA_musicEnabled) return JA_MUSIC_DISABLED;
if (!current_music) return JA_MUSIC_INVALID;
if (current_music == NULL) return JA_MUSIC_INVALID;
return current_music->state; return current_music->state;
} }
void JA_DeleteMusic(JA_Music_t *music) { void JA_DeleteMusic(JA_Music_t *music)
if (current_music == music) current_music = NULL; {
free(music->output); if (current_music == music) current_music = nullptr;
SDL_free(music->buffer);
SDL_DestroyAudioStream(music->stream);
delete music; delete music;
} }
int JA_SetMusicVolume(int volume) float JA_SetMusicVolume(float volume)
{ {
JA_musicVolume = volume > 128 ? 128 : volume < 0 ? 0 : volume; JA_musicVolume = SDL_clamp( volume, 0.0f, 1.0f );
if (current_music) SDL_SetAudioStreamGain(current_music->stream, JA_musicVolume);
return JA_musicVolume; return JA_musicVolume;
} }
void JA_EnableMusic(const bool value) void JA_EnableMusic(const bool value)
{ {
if (!value && current_music != NULL && current_music->state==JA_MUSIC_PLAYING) JA_StopMusic(); if ( !value && current_music && (current_music->state==JA_MUSIC_PLAYING) ) JA_StopMusic();
JA_musicEnabled = value; JA_musicEnabled = value;
} }
@@ -202,45 +259,26 @@ void JA_EnableMusic(const bool value)
JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length) { JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length)
{
JA_Sound_t *sound = new JA_Sound_t(); JA_Sound_t *sound = new JA_Sound_t();
sound->buffer = buffer; sound->buffer = buffer;
sound->length = length; sound->length = length;
return sound; return sound;
} }
JA_Sound_t *JA_LoadSound(uint8_t* buffer, uint32_t size) { JA_Sound_t *JA_LoadSound(uint8_t* buffer, uint32_t size)
{
JA_Sound_t *sound = new JA_Sound_t(); JA_Sound_t *sound = new JA_Sound_t();
SDL_AudioSpec wavSpec; SDL_LoadWAV_IO(SDL_IOFromMem(buffer, size),1, &sound->spec, &sound->buffer, &sound->length);
SDL_LoadWAV_RW(SDL_RWFromMem(buffer, size),1, &wavSpec, &sound->buffer, &sound->length);
SDL_AudioCVT cvt;
SDL_BuildAudioCVT(&cvt, wavSpec.format, wavSpec.channels, wavSpec.freq, JA_format, JA_channels, JA_freq);
cvt.len = sound->length;
cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
SDL_memcpy(cvt.buf, sound->buffer, sound->length);
SDL_ConvertAudio(&cvt);
SDL_FreeWAV(sound->buffer);
sound->buffer = cvt.buf;
sound->length = cvt.len_cvt;
return sound; return sound;
} }
JA_Sound_t *JA_LoadSound(const char* filename) { JA_Sound_t *JA_LoadSound(const char* filename)
{
JA_Sound_t *sound = new JA_Sound_t(); JA_Sound_t *sound = new JA_Sound_t();
SDL_AudioSpec wavSpec; SDL_LoadWAV(filename, &sound->spec, &sound->buffer, &sound->length);
SDL_LoadWAV(filename, &wavSpec, &sound->buffer, &sound->length);
SDL_AudioCVT cvt;
SDL_BuildAudioCVT(&cvt, wavSpec.format, wavSpec.channels, wavSpec.freq, JA_format, JA_channels, JA_freq);
cvt.len = sound->length;
cvt.buf = (Uint8 *) SDL_malloc(cvt.len * cvt.len_mult);
SDL_memcpy(cvt.buf, sound->buffer, sound->length);
SDL_ConvertAudio(&cvt);
SDL_FreeWAV(sound->buffer);
sound->buffer = cvt.buf;
sound->length = cvt.len_cvt;
return sound; return sound;
} }
@@ -257,6 +295,11 @@ int JA_PlaySound(JA_Sound_t *sound, const int loop)
channels[channel].times = loop; channels[channel].times = loop;
channels[channel].pos = 0; channels[channel].pos = 0;
channels[channel].state = JA_CHANNEL_PLAYING; 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; return channel;
} }
@@ -273,12 +316,22 @@ void JA_PauseChannel(const int channel)
{ {
if (!JA_soundEnabled) return; if (!JA_soundEnabled) return;
if (channel == -1) { if (channel == -1)
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) { {
if (channels[i].state == JA_CHANNEL_PLAYING) channels[i].state = JA_CHANNEL_PAUSED; for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++)
if (channels[i].state == JA_CHANNEL_PLAYING)
{
channels[i].state = JA_CHANNEL_PAUSED;
SDL_PauseAudioStreamDevice(channels[i].stream);
}
}
else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS)
{
if (channels[channel].state == JA_CHANNEL_PLAYING)
{
channels[channel].state = JA_CHANNEL_PAUSED;
SDL_PauseAudioStreamDevice(channels[channel].stream);
} }
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
if (channels[channel].state == JA_CHANNEL_PLAYING) channels[channel].state = JA_CHANNEL_PAUSED;
} }
} }
@@ -286,12 +339,22 @@ void JA_ResumeChannel(const int channel)
{ {
if (!JA_soundEnabled) return; if (!JA_soundEnabled) return;
if (channel == -1) { if (channel == -1)
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) { {
if (channels[i].state == JA_CHANNEL_PAUSED) channels[i].state = JA_CHANNEL_PLAYING; for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++)
if (channels[i].state == JA_CHANNEL_PAUSED)
{
channels[i].state = JA_CHANNEL_PLAYING;
SDL_ResumeAudioStreamDevice(channels[i].stream);
}
}
else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS)
{
if (channels[channel].state == JA_CHANNEL_PAUSED)
{
channels[channel].state = JA_CHANNEL_PLAYING;
SDL_ResumeAudioStreamDevice(channels[channel].stream);
} }
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) {
if (channels[channel].state == JA_CHANNEL_PAUSED) channels[channel].state = JA_CHANNEL_PLAYING;
} }
} }
@@ -299,16 +362,21 @@ void JA_StopChannel(const int channel)
{ {
if (!JA_soundEnabled) return; if (!JA_soundEnabled) return;
if (channel == -1) { if (channel == -1)
{
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) { for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++) {
channels[i].state = JA_CHANNEL_FREE; channels[i].state = JA_CHANNEL_FREE;
channels[i].pos = 0; channels[i].pos = 0;
channels[i].sound = NULL; channels[i].sound = NULL;
SDL_DestroyAudioStream(channels[i].stream);
} }
} else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS) { }
else if (channel >= 0 && channel < JA_MAX_SIMULTANEOUS_CHANNELS)
{
channels[channel].state = JA_CHANNEL_FREE; channels[channel].state = JA_CHANNEL_FREE;
channels[channel].pos = 0; channels[channel].pos = 0;
channels[channel].sound = NULL; channels[channel].sound = NULL;
SDL_DestroyAudioStream(channels[channel].stream);
} }
} }
@@ -317,12 +385,18 @@ JA_Channel_state JA_GetChannelState(const int channel)
if (!JA_soundEnabled) return JA_SOUND_DISABLED; if (!JA_soundEnabled) return JA_SOUND_DISABLED;
if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return JA_CHANNEL_INVALID; if (channel < 0 || channel >= JA_MAX_SIMULTANEOUS_CHANNELS) return JA_CHANNEL_INVALID;
return channels[channel].state; return channels[channel].state;
} }
int JA_SetSoundVolume(int volume) float JA_SetSoundVolume(float volume)
{ {
JA_soundVolume = volume > 128 ? 128 : volume < 0 ? 0 : volume; JA_soundVolume = SDL_clamp( volume, 0.0f, 1.0f );
for (int i = 0; i < JA_MAX_SIMULTANEOUS_CHANNELS; i++)
if ( (channels[i].state == JA_CHANNEL_PLAYING) || (channels[i].state == JA_CHANNEL_PAUSED) )
SDL_SetAudioStreamGain(channels[i].stream, JA_soundVolume);
return JA_soundVolume; return JA_soundVolume;
} }
@@ -335,10 +409,10 @@ void JA_EnableSound(const bool value)
JA_soundEnabled = value; JA_soundEnabled = value;
} }
int JA_SetVolume(int volume) float JA_SetVolume(float volume)
{ {
JA_musicVolume = volume > 128 ? 128 : volume < 0 ? 0 : volume; JA_SetSoundVolume(JA_SetMusicVolume(volume) / 2.0f);
JA_soundVolume = JA_musicVolume/2;
return JA_musicVolume; return JA_musicVolume;
} }

8
jail_audio.h
View File

@@ -1,5 +1,5 @@
#pragma once #pragma once
#include <SDL2/SDL.h> #include <SDL3/SDL.h>
enum JA_Channel_state { JA_CHANNEL_INVALID, JA_CHANNEL_FREE, JA_CHANNEL_PLAYING, JA_CHANNEL_PAUSED, JA_SOUND_DISABLED }; enum JA_Channel_state { JA_CHANNEL_INVALID, JA_CHANNEL_FREE, JA_CHANNEL_PLAYING, JA_CHANNEL_PAUSED, JA_SOUND_DISABLED };
enum JA_Music_state { JA_MUSIC_INVALID, JA_MUSIC_PLAYING, JA_MUSIC_PAUSED, JA_MUSIC_STOPPED, JA_MUSIC_DISABLED }; enum JA_Music_state { JA_MUSIC_INVALID, JA_MUSIC_PLAYING, JA_MUSIC_PAUSED, JA_MUSIC_STOPPED, JA_MUSIC_DISABLED };
@@ -18,7 +18,7 @@ void JA_ResumeMusic();
void JA_StopMusic(); void JA_StopMusic();
JA_Music_state JA_GetMusicState(); JA_Music_state JA_GetMusicState();
void JA_DeleteMusic(JA_Music_t *music); void JA_DeleteMusic(JA_Music_t *music);
int JA_SetMusicVolume(int volume); float JA_SetMusicVolume(float volume);
void JA_EnableMusic(const bool value); void JA_EnableMusic(const bool value);
JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length); JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length);
@@ -30,7 +30,7 @@ void JA_ResumeChannel(const int channel);
void JA_StopChannel(const int channel); void JA_StopChannel(const int channel);
JA_Channel_state JA_GetChannelState(const int channel); JA_Channel_state JA_GetChannelState(const int channel);
void JA_DeleteSound(JA_Sound_t *sound); void JA_DeleteSound(JA_Sound_t *sound);
int JA_SetSoundVolume(int volume); float JA_SetSoundVolume(float volume);
void JA_EnableSound(const bool value); void JA_EnableSound(const bool value);
int JA_SetVolume(int volume); float JA_SetVolume(float volume);

166
jail_audio_sdlmixer.cpp
View File

@@ -1,166 +0,0 @@
#ifdef JA_USESDLMIXER
#include "jail_audio.h"
#include <SDL2/SDL.h>
#include <SDL2/SDL_mixer.h>
#include <stdio.h>
struct JA_Sound_t {}; // Dummy structs
struct JA_Music_t {};
int JA_freq {48000};
SDL_AudioFormat JA_format {AUDIO_S16};
Uint8 JA_channels {2};
int JA_musicVolume = 128;
int JA_soundVolume = 64;
bool JA_musicEnabled = true;
bool JA_soundEnabled = true;
void JA_Init(const int freq, const SDL_AudioFormat format, const int channels) {
JA_freq = freq;
JA_format = format;
JA_channels = channels;
Mix_OpenAudio(JA_freq, JA_format, JA_channels, 1024);
}
void JA_Quit() {
Mix_CloseAudio();
}
JA_Music_t *JA_LoadMusic(const char* filename) {
return (JA_Music_t*)Mix_LoadMUS(filename);
}
void JA_PlayMusic(JA_Music_t *music, const int loop)
{
if (!JA_musicEnabled) return;
Mix_PlayMusic((Mix_Music*)music, loop);
Mix_VolumeMusic(JA_musicVolume);
}
void JA_PauseMusic()
{
if (!JA_musicEnabled) return;
Mix_PauseMusic();
}
void JA_ResumeMusic()
{
if (!JA_musicEnabled) return;
Mix_ResumeMusic();
}
void JA_StopMusic()
{
if (!JA_musicEnabled) return;
Mix_HaltMusic();
}
JA_Music_state JA_GetMusicState()
{
if (!JA_musicEnabled) return JA_MUSIC_DISABLED;
if (Mix_PausedMusic()) {
return JA_MUSIC_PAUSED;
} else if (Mix_PlayingMusic()) {
return JA_MUSIC_PLAYING;
} else {
return JA_MUSIC_STOPPED;
}
}
void JA_DeleteMusic(JA_Music_t *music)
{
Mix_FreeMusic((Mix_Music*)music);
}
int JA_SetMusicVolume(int volume)
{
JA_musicVolume = volume;
Mix_VolumeMusic(JA_musicVolume);
return JA_musicVolume;
}
void JA_EnableMusic(const bool value)
{
if (Mix_PlayingMusic()) Mix_HaltMusic();
JA_musicEnabled = value;
}
JA_Sound_t *JA_NewSound(Uint8* buffer, Uint32 length)
{
return NULL;
}
JA_Sound_t *JA_LoadSound(const char* filename) {
JA_Sound_t *sound = (JA_Sound_t*)Mix_LoadWAV(filename);
return sound;
}
int JA_PlaySound(JA_Sound_t *sound, const int loop) {
if (!JA_soundEnabled) return -1;
const int channel = Mix_PlayChannel(-1, (Mix_Chunk*)sound, loop);
Mix_Volume(-1, JA_soundVolume);
return channel;
}
void JA_DeleteSound(JA_Sound_t *sound)
{
Mix_FreeChunk((Mix_Chunk*)sound);
}
void JA_PauseChannel(const int channel)
{
if (!JA_soundEnabled) return;
Mix_Pause(channel);
}
void JA_ResumeChannel(const int channel)
{
if (!JA_soundEnabled) return;
Mix_Resume(channel);
}
void JA_StopChannel(const int channel)
{
if (!JA_soundEnabled) return;
Mix_HaltChannel(channel);
}
JA_Channel_state JA_GetChannelState(const int channel)
{
if (!JA_soundEnabled) return JA_SOUND_DISABLED;
if (Mix_Paused(channel)) {
return JA_CHANNEL_PAUSED;
} else if (Mix_Playing(channel)) {
return JA_CHANNEL_PLAYING;
} else {
return JA_CHANNEL_FREE;
}
}
int JA_SetSoundVolume(int volume)
{
JA_musicVolume = volume;
Mix_Volume(-1, JA_musicVolume);
return JA_musicVolume;
}
void JA_EnableSound(const bool value)
{
Mix_HaltChannel(-1);
JA_soundEnabled = value;
}
int JA_SetVolume(int volume)
{
JA_SetSoundVolume(volume);
return JA_SetMusicVolume(volume);
}
#endif