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TIC-80-guile
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using SDL_ConvertAudio instead manual sound samples conversion

This commit is contained in:
BADIM-PC\Vadim 2017-12-23 19:17:43 +03:00
parent 59fe65f133
commit 1dc31e3c67
1 changed files with 30 additions and 29 deletions
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59
src/studio.c
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@ -104,8 +104,12 @@ static struct
SDL_Renderer* renderer; SDL_Renderer* renderer;
SDL_Texture* texture; SDL_Texture* texture;
SDL_AudioSpec audioSpec; struct
SDL_AudioDeviceID audioDevice; {
SDL_AudioSpec spec;
SDL_AudioDeviceID device;
SDL_AudioCVT cvt;
} audio;
SDL_Joystick* joysticks[MAX_CONTROLLERS]; SDL_Joystick* joysticks[MAX_CONTROLLERS];
@ -232,8 +236,6 @@ static struct
s32 argc; s32 argc;
char **argv; char **argv;
float* floatSamples;
} studio = } studio =
{ {
.tic80local = NULL, .tic80local = NULL,
@ -242,7 +244,10 @@ static struct
.window = NULL, .window = NULL,
.renderer = NULL, .renderer = NULL,
.texture = NULL, .texture = NULL,
.audioDevice = 0, .audio =
{
.device = 0,
},
.cart = .cart =
{ {
@ -319,7 +324,6 @@ static struct
.quitFlag = false, .quitFlag = false,
.argc = 0, .argc = 0,
.argv = NULL, .argv = NULL,
.floatSamples = NULL,
}; };
tic_tiles* getBankTiles() tic_tiles* getBankTiles()
@ -2044,24 +2048,13 @@ static void transparentBlit(u32* out, s32 pitch)
static void blitSound() static void blitSound()
{ {
s32 samples = studio.audioSpec.freq / TIC_FRAMERATE; if(studio.audio.cvt.needed)
// TODO: use SDL_ConvertAudio to covert format
if(studio.audioSpec.format == AUDIO_F32)
{ {
if(!studio.floatSamples) SDL_memcpy(studio.audio.cvt.buf, studio.tic->samples.buffer, studio.tic->samples.size);
studio.floatSamples = SDL_malloc(samples * sizeof studio.floatSamples[0]); SDL_ConvertAudio(&studio.audio.cvt);
SDL_QueueAudio(studio.audio.device, studio.audio.cvt.buf, studio.audio.cvt.len_cvt);
s16* ptr = studio.tic->samples.buffer;
s16* end = ptr + samples;
float* out = studio.floatSamples;
while(ptr != end) *out++ = *ptr++ / 32767.0f;
SDL_QueueAudio(studio.audioDevice, studio.floatSamples, samples * sizeof studio.floatSamples[0]);
} }
else if (studio.audioSpec.format == AUDIO_S16) else SDL_QueueAudio(studio.audio.device, studio.tic->samples.buffer, studio.tic->samples.size);
SDL_QueueAudio(studio.audioDevice, studio.tic->samples.buffer, studio.tic->samples.size);
} }
static void drawRecordLabel(u32* frame, s32 pitch, s32 sx, s32 sy, const u32* color) static void drawRecordLabel(u32* frame, s32 pitch, s32 sx, s32 sy, const u32* color)
@ -2512,10 +2505,18 @@ static void initSound()
.userdata = NULL, .userdata = NULL,
}; };
studio.audioDevice = SDL_OpenAudioDevice(NULL, 0, &want, &studio.audioSpec, SDL_AUDIO_ALLOW_ANY_CHANGE); studio.audio.device = SDL_OpenAudioDevice(NULL, 0, &want, &studio.audio.spec, SDL_AUDIO_ALLOW_ANY_CHANGE);
if(studio.audioDevice) SDL_BuildAudioCVT(&studio.audio.cvt, want.format, want.channels, studio.audio.spec.freq, studio.audio.spec.format, studio.audio.spec.channels, studio.audio.spec.freq);
SDL_PauseAudioDevice(studio.audioDevice, 0);
if(studio.audio.cvt.needed)
{
studio.audio.cvt.len = studio.audio.spec.freq * sizeof studio.tic->samples.buffer[0] / TIC_FRAMERATE;
studio.audio.cvt.buf = SDL_malloc(studio.audio.cvt.len * studio.audio.cvt.len_mult);
}
if(studio.audio.device)
SDL_PauseAudioDevice(studio.audio.device, 0);
} }
static void initTouchGamepad() static void initTouchGamepad()
@ -2637,7 +2638,7 @@ static void onFSInitialized(FileSystem* fs)
initSound(); initSound();
studio.tic80local = (tic80_local*)tic80_create(studio.audioSpec.freq); studio.tic80local = (tic80_local*)tic80_create(studio.audio.spec.freq);
studio.tic = studio.tic80local->memory; studio.tic = studio.tic80local->memory;
{ {
@ -2775,8 +2776,8 @@ s32 main(s32 argc, char **argv)
if(studio.tic80local) if(studio.tic80local)
tic80_delete((tic80*)studio.tic80local); tic80_delete((tic80*)studio.tic80local);
if(studio.floatSamples) if(studio.audio.cvt.buf)
SDL_free(studio.floatSamples); SDL_free(studio.audio.cvt.buf);
SDL_DestroyTexture(studio.gamepad.texture); SDL_DestroyTexture(studio.gamepad.texture);
SDL_DestroyTexture(studio.texture); SDL_DestroyTexture(studio.texture);
@ -2789,7 +2790,7 @@ s32 main(s32 argc, char **argv)
#if !defined (__MACOSX__) #if !defined (__MACOSX__)
// stucks here on macos // stucks here on macos
SDL_CloseAudioDevice(studio.audioDevice); SDL_CloseAudioDevice(studio.audio.device);
SDL_Quit(); SDL_Quit();
#endif #endif