static int sdl_initialized = 0;
static int audio_initialized = 0;
+static const char *device_string = NULL;
+static SDL_AudioDeviceID audio_devid = 0;
static SDL_Window *gl_window = NULL;
static SDL_GLContext gl_context = NULL;
static void (*keyboard_sdl)(int down, enum keycode keycode) = NULL;
SDL_memset(stream, 0, len);
audio_sdl(audio_data, len / sizeof(float) / 2);
- SDL_MixAudio(stream, (Uint8 *)audio_data, len, SDL_MIX_MAXVOLUME);
+ SDL_MixAudioFormat(stream, (Uint8 *)audio_data, AUDIO_F32, len, SDL_MIX_MAXVOLUME / 2.0);
}
-int init_sdl(const char *progname, int width, int height, int sound_samplerate, int sound_chunk, void (*keyboard)(int down, enum keycode keycode), void (*audio)(float *data, int len), void (*resize_window)(int width, int height), int multisampling, int vbl_sync)
+int init_sdl(const char *progname, int width, int height, int sound_samplerate, int sound_chunk, void (*keyboard)(int down, enum keycode keycode), void (*audio)(float *data, int len), void (*resize_window)(int width, int height), int multisampling, int vbl_sync, int rift)
{
int rc;
}
sdl_initialized = 1;
- if (multisampling) {
+ if (multisampling > 1) {
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
/* just in case */
glDisable(GL_DEPTH_TEST);
glDisable(GL_CULL_FACE);
- if (multisampling)
+ if (multisampling > 1)
glEnable(GL_MULTISAMPLE);
+ if (rift) {
+ int i, count;
+ count = SDL_GetNumAudioDevices(0);
+ const char *string;
+ for(i = 0; i < count; i++) {
+ string = SDL_GetAudioDeviceName(i, 0);
+ if (strstr(string, "Rift"))
+ device_string = string;
+ }
+ if (!device_string)
+ print_error("Oculus Rift headset not found, falling back to default audio device.\n");
+ }
+
/* open audio */
SDL_AudioSpec want, have;
SDL_memset(&want, 0, sizeof(want)); /* or SDL_zero(want) */
want.channels = 2;
want.samples = sound_chunk; /* must be a power of two */
want.callback = audio_cb;
- rc = SDL_OpenAudio(&want, &have);
- if (rc < 0) {
+ audio_devid = SDL_OpenAudioDevice(device_string, 0, &want, &have, SDL_AUDIO_ALLOW_ANY_CHANGE);
+ if (audio_devid <= 0) {
print_error("Failed to open audio! (No speaker connected?)\n");
+ rc = -EIO;
goto error;
} else if (have.format != want.format) {
- print_error("Failed to open audio with desired audio format\n");
- SDL_CloseAudio();
+ print_error("Failed to open audio with desired audio format (want %d, got %d)\n", want.format, have.format);
rc = -EIO;
goto error;
} else if (have.freq != want.freq) {
- print_error("Failed to open audio with desired sample rate\n");
- SDL_CloseAudio();
+ print_error("Failed to open audio with desired sample rate (want %d, got %d)\n", want.freq, have.freq);
rc = -EIO;
goto error;
} else if (have.channels != want.channels) {
- print_error("Failed to open audio with desired channels (got %d)\n", have.channels);
- SDL_CloseAudio();
+ print_error("Failed to open audio with desired number of channels (want %d, got %d)\n", want.channels, have.channels);
rc = -EIO;
goto error;
} else {
- SDL_PauseAudio(0);
+ SDL_PauseAudioDevice(audio_devid, 0);
audio_initialized = 1;
}
/* exit SDL library */
if (audio_initialized) {
- SDL_PauseAudio(1);
- SDL_CloseAudio();
+ SDL_PauseAudioDevice(audio_devid, 1);
audio_initialized = 0;
}
+ if (audio_devid > 0) {
+ SDL_CloseAudioDevice(audio_devid);
+ audio_devid = 0;
+ }
if (sdl_initialized) {
SDL_Quit();
sdl_initialized = 0;