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ps2audio: SDL3ified the style

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Ryan C. Gordon 2023-07-05 02:14:20 -04:00
parent 4993743a02
commit 6f12f68ec9
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GPG Key ID: FA148B892AB48044
1 changed files with 8 additions and 14 deletions
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22
src/audio/ps2/SDL_ps2audio.c
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@ -29,16 +29,12 @@
static int PS2AUDIO_OpenDevice(SDL_AudioDevice *device)
{
int i, mixlen;
struct audsrv_fmt_t format;
device->hidden = (struct SDL_PrivateAudioData *)
SDL_calloc(1, sizeof(*device->hidden));
device->hidden = (struct SDL_PrivateAudioData *) SDL_calloc(1, sizeof(*device->hidden));
if (device->hidden == NULL) {
return SDL_OutOfMemory();
}
/* These are the native supported audio PS2 configs */
// These are the native supported audio PS2 configs
switch (device->spec.freq) {
case 11025:
case 12000:
@ -57,6 +53,7 @@ static int PS2AUDIO_OpenDevice(SDL_AudioDevice *device)
device->spec.channels = device->spec.channels == 1 ? 1 : 2;
device->spec.format = device->spec.format == SDL_AUDIO_S8 ? SDL_AUDIO_S8 : SDL_AUDIO_S16;
struct audsrv_fmt_t format;
format.bits = device->spec.format == SDL_AUDIO_S8 ? 8 : 16;
format.freq = device->spec.freq;
format.channels = device->spec.channels;
@ -70,24 +67,23 @@ static int PS2AUDIO_OpenDevice(SDL_AudioDevice *device)
return SDL_SetError("Couldn't reserve hardware channel");
}
/* Update the fragment size as size in bytes. */
// Update the fragment size as size in bytes.
SDL_UpdatedAudioDeviceFormat(device);
/* Allocate the mixing buffer. Its size and starting address must
be a multiple of 64 bytes. Our sample count is already a multiple of
64, so spec->size should be a multiple of 64 as well. */
mixlen = device->buffer_size * NUM_BUFFERS;
const int mixlen = device->buffer_size * NUM_BUFFERS;
device->hidden->rawbuf = (Uint8 *)SDL_aligned_alloc(64, mixlen);
if (device->hidden->rawbuf == NULL) {
return SDL_SetError("Couldn't allocate mixing buffer");
}
SDL_memset(device->hidden->rawbuf, 0, mixlen);
for (i = 0; i < NUM_BUFFERS; i++) {
SDL_memset(device->hidden->rawbuf, device->silence_value, mixlen);
for (int i = 0; i < NUM_BUFFERS; i++) {
device->hidden->mixbufs[i] = &device->hidden->rawbuf[i * device->buffer_size];
}
device->hidden->next_buffer = 0;
return 0;
}
@ -96,7 +92,6 @@ static void PS2AUDIO_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, in
audsrv_play_audio((char *)buffer, buflen);
}
/* This function waits until it is possible to write a full sound buffer */
static void PS2AUDIO_WaitDevice(SDL_AudioDevice *device)
{
audsrv_wait_audio(device->buffer_size);
@ -148,7 +143,6 @@ static SDL_bool PS2AUDIO_Init(SDL_AudioDriverImpl *impl)
return SDL_FALSE;
}
/* Set the function pointers */
impl->OpenDevice = PS2AUDIO_OpenDevice;
impl->PlayDevice = PS2AUDIO_PlayDevice;
impl->WaitDevice = PS2AUDIO_WaitDevice;
@ -157,7 +151,7 @@ static SDL_bool PS2AUDIO_Init(SDL_AudioDriverImpl *impl)
impl->ThreadInit = PS2AUDIO_ThreadInit;
impl->Deinitialize = PS2AUDIO_Deinitialize;
impl->OnlyHasDefaultOutputDevice = SDL_TRUE;
return SDL_TRUE; /* this audio target is available. */
return SDL_TRUE; // this audio target is available.
}
AudioBootStrap PS2AUDIO_bootstrap = {