/**
* \brief Start and stop audio directly
*
* \sa https://wiki.libsdl.org/SDL_InitAudio
* \sa https://wiki.libsdl.org/SDL_QuitAudio
*/
int audio_initQuitAudio()
{
int result;
int i, iMax;
const char* audioDriver;
/* Stop SDL audio subsystem */
SDL_QuitSubSystem( SDL_INIT_AUDIO );
SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
/* Loop over all available audio drivers */
iMax = SDL_GetNumAudioDrivers();
SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
for (i = 0; i < iMax; i++) {
audioDriver = SDL_GetAudioDriver(i);
SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL");
SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver);
/* Call Init */
result = SDL_AudioInit(audioDriver);
SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
/* Call Quit */
SDL_AudioQuit();
SDLTest_AssertPass("Call to SDL_AudioQuit()");
}
/* NULL driver specification */
audioDriver = NULL;
/* Call Init */
result = SDL_AudioInit(audioDriver);
SDLTest_AssertPass("Call to SDL_AudioInit(NULL)");
SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
/* Call Quit */
SDL_AudioQuit();
SDLTest_AssertPass("Call to SDL_AudioQuit()");
/* Restart audio again */
_audioSetUp(NULL);
return TEST_COMPLETED;
}
static int lua_SDL_AudioInit(lutok::state& state){
if (state.is_string(1)){
//std::string & str = state.to_string(1);
//const char * driver = ;
int retval = SDL_AudioInit(state.to_string(1).c_str());
state.push_boolean( retval == 0 );
return 1;
}else{
const char * driver = SDL_GetCurrentAudioDriver();
if (driver){
int retval = SDL_AudioInit(driver);
state.push_boolean( retval == 0 );
return 1;
}
return 0;
}
}
bool ZL_AudioOpen()
{
if (SDL_AudioInit(NULL) < 0) return false;
SDL_AudioSpec desired;
desired.freq = 44100;
desired.format = AUDIO_S16LSB;
desired.channels = 2;
desired.samples = 1024; //Used to be 4096, PCs are faster now
desired.callback = ZL_SdlAudioMix;
desired.userdata = NULL;
if (SDL_OpenAudio(&desired, NULL) < 0) return false;
SDL_PauseAudio(0);
return true;
}
int
SDL_InitSubSystem(Uint32 flags)
{
#if !SDL_VIDEO_DISABLED
/* Initialize the video/event subsystem */
if ((flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO)) {
if (SDL_VideoInit(NULL) < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_VIDEO;
}
#else
if (flags & SDL_INIT_VIDEO) {
SDL_SetError("SDL not built with video support");
return (-1);
}
#endif
#if !SDL_AUDIO_DISABLED
/* Initialize the audio subsystem */
if ((flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO)) {
if (SDL_AudioInit(NULL) < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_AUDIO;
}
#else
if (flags & SDL_INIT_AUDIO) {
SDL_SetError("SDL not built with audio support");
return (-1);
}
#endif
#if !SDL_TIMERS_DISABLED
/* Initialize the timer subsystem */
if (!ticks_started) {
SDL_StartTicks();
ticks_started = 1;
}
if ((flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER)) {
if (SDL_TimerInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_TIMER;
}
#else
if (flags & SDL_INIT_TIMER) {
SDL_SetError("SDL not built with timer support");
return (-1);
}
#endif
#if !SDL_JOYSTICK_DISABLED
/* Initialize the joystick subsystem */
if ((flags & SDL_INIT_JOYSTICK) && !(SDL_initialized & SDL_INIT_JOYSTICK)) {
if (SDL_JoystickInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_JOYSTICK;
}
#else
if (flags & SDL_INIT_JOYSTICK) {
SDL_SetError("SDL not built with joystick support");
return (-1);
}
#endif
#if !SDL_HAPTIC_DISABLED
/* Initialize the haptic subsystem */
if ((flags & SDL_INIT_HAPTIC) && !(SDL_initialized & SDL_INIT_HAPTIC)) {
if (SDL_HapticInit() < 0) {
return (-1);
}
SDL_initialized |= SDL_INIT_HAPTIC;
}
#else
if (flags & SDL_INIT_HAPTIC) {
SDL_SetError("SDL not built with haptic (force feedback) support");
return (-1);
}
#endif
return (0);
}
int
SDL_InitSubSystem(Uint32 flags)
{
if (!SDL_MainIsReady) {
SDL_SetError("Application didn't initialize properly, did you include SDL_main.h in the file containing your main() function?");
return -1;
}
/* Clear the error message */
SDL_ClearError();
if ((flags & SDL_INIT_GAMECONTROLLER)) {
/* game controller implies joystick */
flags |= SDL_INIT_JOYSTICK;
}
if ((flags & (SDL_INIT_VIDEO|SDL_INIT_JOYSTICK))) {
/* video or joystick implies events */
flags |= SDL_INIT_EVENTS;
}
#if SDL_VIDEO_DRIVER_WINDOWS
if ((flags & (SDL_INIT_HAPTIC|SDL_INIT_JOYSTICK))) {
if (SDL_HelperWindowCreate() < 0) {
return -1;
}
}
#endif
#if !SDL_TIMERS_DISABLED
SDL_TicksInit();
#endif
/* Initialize the event subsystem */
if ((flags & SDL_INIT_EVENTS)) {
#if !SDL_EVENTS_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_EVENTS)) {
if (SDL_StartEventLoop() < 0) {
return (-1);
}
SDL_QuitInit();
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_EVENTS);
#else
return SDL_SetError("SDL not built with events support");
#endif
}
/* Initialize the timer subsystem */
if ((flags & SDL_INIT_TIMER)){
#if !SDL_TIMERS_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_TIMER)) {
if (SDL_TimerInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_TIMER);
#else
return SDL_SetError("SDL not built with timer support");
#endif
}
/* Initialize the video subsystem */
if ((flags & SDL_INIT_VIDEO)){
#if !SDL_VIDEO_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_VIDEO)) {
if (SDL_VideoInit(NULL) < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_VIDEO);
#else
return SDL_SetError("SDL not built with video support");
#endif
}
/* Initialize the audio subsystem */
if ((flags & SDL_INIT_AUDIO)){
#if !SDL_AUDIO_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_AUDIO)) {
if (SDL_AudioInit(NULL) < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_AUDIO);
#else
return SDL_SetError("SDL not built with audio support");
#endif
}
/* Initialize the joystick subsystem */
if ((flags & SDL_INIT_JOYSTICK)){
#if !SDL_JOYSTICK_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_JOYSTICK)) {
if (SDL_JoystickInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_JOYSTICK);
#else
return SDL_SetError("SDL not built with joystick support");
#endif
}
if ((flags & SDL_INIT_GAMECONTROLLER)){
#if !SDL_JOYSTICK_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_GAMECONTROLLER)) {
if (SDL_GameControllerInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_GAMECONTROLLER);
#else
return SDL_SetError("SDL not built with joystick support");
#endif
}
/* Initialize the haptic subsystem */
if ((flags & SDL_INIT_HAPTIC)){
#if !SDL_HAPTIC_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_HAPTIC)) {
if (SDL_HapticInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_HAPTIC);
#else
return SDL_SetError("SDL not built with haptic (force feedback) support");
#endif
}
return (0);
}
SDL_bool
SDLTest_CommonInit(SDLTest_CommonState * state)
{
int i, j, m, n, w, h;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_VideoInit(state->videodriver) < 0) {
fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
/* Upload GL settings */
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, state->gl_red_size);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, state->gl_green_size);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, state->gl_blue_size);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, state->gl_alpha_size);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, state->gl_double_buffer);
SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE, state->gl_buffer_size);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, state->gl_depth_size);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, state->gl_stencil_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE, state->gl_accum_red_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE, state->gl_accum_green_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE, state->gl_accum_blue_size);
SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE, state->gl_accum_alpha_size);
SDL_GL_SetAttribute(SDL_GL_STEREO, state->gl_stereo);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, state->gl_multisamplebuffers);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, state->gl_multisamplesamples);
if (state->gl_accelerated >= 0) {
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL,
state->gl_accelerated);
}
SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, state->gl_retained_backing);
if (state->gl_major_version) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, state->gl_major_version);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, state->gl_minor_version);
}
if (state->gl_debug) {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
}
if (state->verbose & VERBOSE_MODES) {
SDL_Rect bounds;
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d: %s\n", i, SDL_GetDisplayName(i));
SDL_zero(bounds);
SDL_GetDisplayBounds(i, &bounds);
fprintf(stderr, "Bounds: %dx%d at %d,%d\n", bounds.w, bounds.h, bounds.x, bounds.y);
SDL_GetDesktopDisplayMode(i, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
mode.w, mode.h, mode.refresh_rate, bpp,
SDL_GetPixelFormatName(mode.format));
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
m = SDL_GetNumDisplayModes(i);
if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
SDL_GetDisplayMode(i, j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel (%s)\n",
j, mode.w, mode.h, mode.refresh_rate, bpp,
SDL_GetPixelFormatName(mode.format));
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n",
Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n",
Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
fprintf(stderr, "Built-in render drivers:\n");
for (i = 0; i < n; ++i) {
SDL_GetRenderDriverInfo(i, &info);
SDLTest_PrintRenderer(&info);
}
}
}
SDL_zero(fullscreen_mode);
switch (state->depth) {
case 8:
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
break;
case 24:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB24;
break;
default:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
break;
}
fullscreen_mode.refresh_rate = state->refresh_rate;
state->windows =
(SDL_Window **) SDL_malloc(state->num_windows *
sizeof(*state->windows));
state->renderers =
(SDL_Renderer **) SDL_malloc(state->num_windows *
sizeof(*state->renderers));
if (!state->windows || !state->renderers) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->window_minW || state->window_minH) {
SDL_SetWindowMinimumSize(state->windows[i], state->window_minW, state->window_minH);
}
if (state->window_maxW || state->window_maxH) {
SDL_SetWindowMaximumSize(state->windows[i], state->window_maxW, state->window_maxH);
}
SDL_GetWindowSize(state->windows[i], &w, &h);
if (!(state->window_flags & SDL_WINDOW_RESIZABLE) &&
(w != state->window_w || h != state->window_h)) {
printf("Window requested size %dx%d, got %dx%d\n", state->window_w, state->window_h, w, h);
state->window_w = w;
state->window_h = h;
}
if (SDL_SetWindowDisplayMode(state->windows[i], &fullscreen_mode) < 0) {
fprintf(stderr, "Can't set up fullscreen display mode: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->window_icon) {
SDL_Surface *icon = SDLTest_LoadIcon(state->window_icon);
if (icon) {
SDL_SetWindowIcon(state->windows[i], icon);
SDL_FreeSurface(icon);
}
}
SDL_ShowWindow(state->windows[i]);
state->renderers[i] = NULL;
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
for (j = 0; j < n; ++j) {
SDL_GetRenderDriverInfo(j, &info);
if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
state->renderers[i] = SDL_CreateRenderer(state->windows[i],
m, state->render_flags);
if (!state->renderers[i]) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->logical_w && state->logical_h) {
SDL_RenderSetLogicalSize(state->renderers[i], state->logical_w, state->logical_h);
} else if (state->scale) {
SDL_RenderSetScale(state->renderers[i], state->scale, state->scale);
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
SDL_GetRendererInfo(state->renderers[i], &info);
SDLTest_PrintRenderer(&info);
}
}
}
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
int SDL_InitSubSystem(Uint32 flags)
{
#ifndef DISABLE_VIDEO
/* Initialize the video/event subsystem */
if ( (flags & SDL_INIT_VIDEO) && !(SDL_initialized & SDL_INIT_VIDEO) ) {
if ( SDL_VideoInit(getenv("SDL_VIDEODRIVER"),
(flags&SDL_INIT_EVENTTHREAD)) < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_VIDEO;
}
#else
if ( flags & SDL_INIT_VIDEO ) {
SDL_SetError("SDL not built with video support");
return(-1);
}
#endif
#ifndef DISABLE_AUDIO
/* Initialize the audio subsystem */
if ( (flags & SDL_INIT_AUDIO) && !(SDL_initialized & SDL_INIT_AUDIO) ) {
if ( SDL_AudioInit(getenv("SDL_AUDIODRIVER")) < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_AUDIO;
}
#else
if ( flags & SDL_INIT_AUDIO ) {
SDL_SetError("SDL not built with audio support");
return(-1);
}
#endif
#ifndef DISABLE_TIMERS
/* Initialize the timer subsystem */
if ( ! ticks_started ) {
SDL_StartTicks();
ticks_started = 1;
}
if ( (flags & SDL_INIT_TIMER) && !(SDL_initialized & SDL_INIT_TIMER) ) {
if ( SDL_TimerInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_TIMER;
}
#else
if ( flags & SDL_INIT_TIMER ) {
SDL_SetError("SDL not built with timer support");
return(-1);
}
#endif
#ifndef DISABLE_JOYSTICK
/* Initialize the joystick subsystem */
if ( (flags & SDL_INIT_JOYSTICK) &&
!(SDL_initialized & SDL_INIT_JOYSTICK) ) {
if ( SDL_JoystickInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_JOYSTICK;
}
#else
if ( flags & SDL_INIT_JOYSTICK ) {
SDL_SetError("SDL not built with joystick support");
return(-1);
}
#endif
#ifndef DISABLE_CDROM
/* Initialize the CD-ROM subsystem */
if ( (flags & SDL_INIT_CDROM) && !(SDL_initialized & SDL_INIT_CDROM) ) {
if ( SDL_CDROMInit() < 0 ) {
return(-1);
}
SDL_initialized |= SDL_INIT_CDROM;
}
#else
if ( flags & SDL_INIT_CDROM ) {
SDL_SetError("SDL not built with cdrom support");
return(-1);
}
#endif
return(0);
}
SDL_bool
CommonInit(CommonState * state)
{
int i, j, m, n;
SDL_DisplayMode fullscreen_mode;
if (state->flags & SDL_INIT_VIDEO) {
if (state->verbose & VERBOSE_VIDEO) {
n = SDL_GetNumVideoDrivers();
if (n == 0) {
fprintf(stderr, "No built-in video drivers\n");
} else {
fprintf(stderr, "Built-in video drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetVideoDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_VideoInit(state->videodriver, 0) < 0) {
fprintf(stderr, "Couldn't initialize video driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Video driver: %s\n",
SDL_GetCurrentVideoDriver());
}
if (state->verbose & VERBOSE_MODES) {
SDL_DisplayMode mode;
int bpp;
Uint32 Rmask, Gmask, Bmask, Amask;
n = SDL_GetNumVideoDisplays();
fprintf(stderr, "Number of displays: %d\n", n);
for (i = 0; i < n; ++i) {
fprintf(stderr, "Display %d:\n", i);
SDL_SelectVideoDisplay(i);
SDL_GetDesktopDisplayMode(&mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask, &Gmask,
&Bmask, &Amask);
fprintf(stderr,
" Current mode: %dx%d@%dHz, %d bits-per-pixel\n",
mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n", Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n", Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n", Bmask);
if (Amask)
fprintf(stderr, " Alpha Mask = 0x%.8x\n", Amask);
}
/* Print available fullscreen video modes */
m = SDL_GetNumDisplayModes();
if (m == 0) {
fprintf(stderr, "No available fullscreen video modes\n");
} else {
fprintf(stderr, " Fullscreen video modes:\n");
for (j = 0; j < m; ++j) {
SDL_GetDisplayMode(j, &mode);
SDL_PixelFormatEnumToMasks(mode.format, &bpp, &Rmask,
&Gmask, &Bmask, &Amask);
fprintf(stderr,
" Mode %d: %dx%d@%dHz, %d bits-per-pixel\n",
j, mode.w, mode.h, mode.refresh_rate, bpp);
if (Rmask || Gmask || Bmask) {
fprintf(stderr, " Red Mask = 0x%.8x\n",
Rmask);
fprintf(stderr, " Green Mask = 0x%.8x\n",
Gmask);
fprintf(stderr, " Blue Mask = 0x%.8x\n",
Bmask);
if (Amask)
fprintf(stderr,
" Alpha Mask = 0x%.8x\n",
Amask);
}
}
}
}
}
SDL_SelectVideoDisplay(state->display);
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
if (n == 0) {
fprintf(stderr, "No built-in render drivers\n");
} else {
fprintf(stderr, "Built-in render drivers:\n");
for (i = 0; i < n; ++i) {
SDL_GetRenderDriverInfo(i, &info);
PrintRenderer(&info);
}
}
}
switch (state->depth) {
case 8:
fullscreen_mode.format = SDL_PIXELFORMAT_INDEX8;
break;
case 15:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB555;
break;
case 16:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB565;
break;
default:
fullscreen_mode.format = SDL_PIXELFORMAT_RGB888;
break;
}
fullscreen_mode.w = state->window_w;
fullscreen_mode.h = state->window_h;
fullscreen_mode.refresh_rate = state->refresh_rate;
SDL_SetFullscreenDisplayMode(&fullscreen_mode);
state->windows =
(SDL_WindowID *) SDL_malloc(state->num_windows *
sizeof(*state->windows));
if (!state->windows) {
fprintf(stderr, "Out of memory!\n");
return SDL_FALSE;
}
for (i = 0; i < state->num_windows; ++i) {
char title[1024];
if (state->num_windows > 1) {
SDL_snprintf(title, SDL_arraysize(title), "%s %d",
state->window_title, i + 1);
} else {
SDL_strlcpy(title, state->window_title, SDL_arraysize(title));
}
state->windows[i] =
SDL_CreateWindow(title, state->window_x, state->window_y,
state->window_w, state->window_h,
state->window_flags);
if (!state->windows[i]) {
fprintf(stderr, "Couldn't create window: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (!state->skip_renderer
&& (state->renderdriver
|| !(state->window_flags & SDL_WINDOW_OPENGL))) {
m = -1;
if (state->renderdriver) {
SDL_RendererInfo info;
n = SDL_GetNumRenderDrivers();
for (j = 0; j < n; ++j) {
SDL_GetRenderDriverInfo(j, &info);
if (SDL_strcasecmp(info.name, state->renderdriver) ==
0) {
m = j;
break;
}
}
if (m == n) {
fprintf(stderr,
"Couldn't find render driver named %s",
state->renderdriver);
return SDL_FALSE;
}
}
if (SDL_CreateRenderer
(state->windows[i], m, state->render_flags) < 0) {
fprintf(stderr, "Couldn't create renderer: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_RENDER) {
SDL_RendererInfo info;
fprintf(stderr, "Current renderer:\n");
SDL_GetRendererInfo(&info);
PrintRenderer(&info);
}
}
}
SDL_SelectRenderer(state->windows[0]);
}
if (state->flags & SDL_INIT_AUDIO) {
if (state->verbose & VERBOSE_AUDIO) {
n = SDL_GetNumAudioDrivers();
if (n == 0) {
fprintf(stderr, "No built-in audio drivers\n");
} else {
fprintf(stderr, "Built-in audio drivers:");
for (i = 0; i < n; ++i) {
if (i > 0) {
fprintf(stderr, ",");
}
fprintf(stderr, " %s", SDL_GetAudioDriver(i));
}
fprintf(stderr, "\n");
}
}
if (SDL_AudioInit(state->audiodriver) < 0) {
fprintf(stderr, "Couldn't initialize audio driver: %s\n",
SDL_GetError());
return SDL_FALSE;
}
if (state->verbose & VERBOSE_VIDEO) {
fprintf(stderr, "Audio driver: %s\n",
SDL_GetCurrentAudioDriver());
}
if (SDL_OpenAudio(&state->audiospec, NULL) < 0) {
fprintf(stderr, "Couldn't open audio: %s\n", SDL_GetError());
return SDL_FALSE;
}
}
return SDL_TRUE;
}
void Audio::start_audio()
{
if (!sound_enabled)
{
// Since many GNU/Linux distros are infected with PulseAudio, SDL2 could chose PA as first
// driver option before ALSA, and PA doesn't obbey our sample number requests, resulting
// in audio gaps, if we're on a GNU/Linux we force ALSA.
// Else we accept whatever SDL2 wants to give us or what the user specifies on SDL_AUDIODRIVER
// enviroment variable.
std::string platform = SDL_GetPlatform();
if (platform=="Linux"){
if (SDL_InitSubSystem(SDL_INIT_AUDIO)!=0) {
std::cout << "Error initalizing audio subsystem: " << SDL_GetError() << std::endl;
}
if (SDL_AudioInit("alsa")!=0) {
std::cout << "Error initalizing audio using ALSA: " << SDL_GetError() << std::endl;
return;
}
}
else {
if(SDL_Init(SDL_INIT_AUDIO) == -1)
{
std::cout << "Error initalizing audio: " << SDL_GetError() << std::endl;
return;
}
}
// SDL Audio Properties
SDL_AudioSpec desired, obtained;
desired.freq = FREQ;
desired.format = AUDIO_S16SYS;
desired.channels = CHANNELS;
desired.samples = SAMPLES;
desired.callback = fill_audio;
desired.userdata = NULL;
// SDL2 block
dev = SDL_OpenAudioDevice(NULL, 0, &desired, &obtained, /*SDL_AUDIO_ALLOW_FORMAT_CHANGE*/0);
if (dev == 0)
{
std::cout << "Error opening audio device: " << SDL_GetError() << std::endl;
return;
}
if (desired.samples != obtained.samples) {
std::cout << "Error initalizing audio: number of samples not supported." << std::endl
<< "Please compare desired vs obtained. Look at what audio driver SDL2 is using." << std::endl;
return;
}
bytes_per_sample = CHANNELS * (BITS / 8);
// Start Audio
sound_enabled = true;
// how many fragments in the dsp buffer
const int DSP_BUFFER_FRAGS = 5;
int specified_delay_samps = (FREQ * SND_DELAY) / 1000;
int dsp_buffer_samps = SAMPLES * DSP_BUFFER_FRAGS + specified_delay_samps;
dsp_buffer_bytes = CHANNELS * dsp_buffer_samps * (BITS / 8);
dsp_buffer = new uint8_t[dsp_buffer_bytes];
// Create Buffer For Mixing
uint16_t buffer_size = (FREQ / config.fps) * CHANNELS;
mix_buffer = new uint16_t[buffer_size];
clear_buffers();
clear_wav();
SDL_PauseAudioDevice(dev,0);
}
}
int
SDL_InitSubSystem(Uint32 flags)
{
#if !SDL_TIMERS_DISABLED
if (!ticks_started) {
SDL_StartTicks();
ticks_started = 1;
}
#endif
/* Initialize the timer subsystem */
if ((flags & SDL_INIT_TIMER) ){
#if !SDL_TIMERS_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_TIMER)) {
if (SDL_TimerInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_TIMER);
#else
SDL_SetError("SDL not built with timer support");
return (-1);
#endif
}
/* Initialize the video/event subsystem */
if ((flags & SDL_INIT_VIDEO) ){
#if !SDL_VIDEO_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_VIDEO)) {
if (SDL_VideoInit(NULL) < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_VIDEO);
#else
SDL_SetError("SDL not built with video support");
return (-1);
#endif
}
/* Initialize the audio subsystem */
if ((flags & SDL_INIT_AUDIO) ){
#if !SDL_AUDIO_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_AUDIO)) {
if (SDL_AudioInit(NULL) < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_AUDIO);
#else
SDL_SetError("SDL not built with audio support");
return (-1);
#endif
}
if ((flags & SDL_INIT_GAMECONTROLLER)) {
// Game controller implies Joystick.
flags |= SDL_INIT_JOYSTICK;
}
/* Initialize the joystick subsystem */
if ((flags & SDL_INIT_JOYSTICK) ){
#if !SDL_JOYSTICK_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_JOYSTICK)) {
if (SDL_JoystickInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_JOYSTICK);
#else
SDL_SetError("SDL not built with joystick support");
return (-1);
#endif
}
if ((flags & SDL_INIT_GAMECONTROLLER) ){
#if !SDL_JOYSTICK_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_GAMECONTROLLER)) {
if (SDL_GameControllerInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_GAMECONTROLLER);
#else
SDL_SetError("SDL not built with joystick support");
return (-1);
#endif
}
/* Initialize the haptic subsystem */
if ((flags & SDL_INIT_HAPTIC) ){
#if !SDL_HAPTIC_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_HAPTIC)) {
if (SDL_HapticInit() < 0) {
return (-1);
}
}
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_HAPTIC);
#else
SDL_SetError("SDL not built with haptic (force feedback) support");
return (-1);
#endif
}
return (0);
}
int audio_Init(void (*samplecallback)(void*, unsigned int),
unsigned int buffersize, const char* backend, int s16, char** error) {
#ifndef USE_SDL_GRAPHICS
if (!sdlvideoinit) {
if (SDL_VideoInit(NULL) < 0) {
char errormsg[512];
snprintf(errormsg,sizeof(errormsg), "Failed to initialize SDL video: %s", SDL_GetError());
errormsg[sizeof(errormsg)-1] = 0;
*error = strdup(errormsg);
return 0;
}
sdlvideoinit = 1;
}
#endif
if (soundenabled) {
// quit old sound first
SDL_PauseAudio(1);
SDL_AudioQuit();
soundenabled = 0;
}
#ifdef ANDROID
if (!s16) {
*error = strdup("No 32bit float audio available on Android");
return 0;
}
#endif
if (!samplecallback) {
*error = strdup("Need sample callback");
return 0;
}
char errbuf[512];
char preferredbackend[20] = "";
#ifdef WINDOWS
if (backend && strcasecmp(backend, "waveout") == 0) {
strcpy(preferredbackend, "waveout");
}
if (backend && (strcasecmp(backend, "directsound") == 0 || strcasecmp(backend, "dsound") == 0)) {
strcpy(preferredbackend, "directsound");
}
#else
#ifdef LINUX
if (backend && strcasecmp(backend, "alsa") == 0) {
strcpy(preferredbackend, "alsa");
}
if (backend && (strcasecmp(backend, "oss") == 0 || strcasecmp(backend, "dsp") == 0)) {
strcpy(preferredbackend, "dsp");
}
#endif
#endif
const char* b = preferredbackend;
if (strlen(b) <= 0) {
b = NULL;
}
if (SDL_AudioInit(b) < 0) {
snprintf(errbuf,sizeof(errbuf),"Failed to initialize SDL audio: %s", SDL_GetError());
errbuf[sizeof(errbuf)-1] = 0;
*error = strdup(errbuf);
return 0;
}
SDL_AudioSpec fmt,actualfmt;
int custombuffersize = DEFAULTSOUNDBUFFERSIZE;
if (buffersize > 0) {
if (buffersize < MINSOUNDBUFFERSIZE) {
buffersize = MINSOUNDBUFFERSIZE;
}
if (buffersize > MAXSOUNDBUFFERSIZE) {
buffersize = MAXSOUNDBUFFERSIZE;
}
custombuffersize = buffersize;
}
memset(&fmt,0,sizeof(fmt));
fmt.freq = 48000;
if (!s16) {
fmt.format = AUDIO_F32SYS;
}else{
fmt.format = AUDIO_S16;
}
fmt.channels = 2;
fmt.samples = custombuffersize;
fmt.callback = audiocallback;
fmt.userdata = NULL;
samplecallbackptr = samplecallback;
if (SDL_OpenAudio(&fmt, &actualfmt) < 0) {
snprintf(errbuf,sizeof(errbuf),"Failed to open SDL audio: %s", SDL_GetError());
errbuf[sizeof(errbuf)-1] = 0;
*error = strdup(errbuf);
// FIXME: this is a workaround for http:// bugzilla.libsdl.org/show_bug.cgi?id=1343 (will cause a memory leak!)
// SDL_AudioQuit();
return 0;
}
if (actualfmt.channels != 2 || actualfmt.freq != 48000 || (s16 && actualfmt.format != AUDIO_S16) || (!s16 && actualfmt.format != AUDIO_F32SYS)) {
*error = strdup("SDL audio delivered wrong/unusable format");
// FIXME: this is a workaround for http:// bugzilla.libsdl.org/show_bug.cgi?id=1343 (will cause a memory leak!)
// SDL_AudioQuit();
return 0;
}
soundenabled = 1;
SDL_PauseAudio(0);
return 1;
}
/**
* \brief Pause and unpause audio
*
* \sa https://wiki.libsdl.org/SDL_PauseAudio
*/
int audio_pauseUnpauseAudio()
{
int result;
int i, iMax, j, k, l;
int totalDelay;
int pause_on;
int originalCounter;
const char* audioDriver;
SDL_AudioSpec desired;
/* Stop SDL audio subsystem */
SDL_QuitSubSystem( SDL_INIT_AUDIO );
SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
/* Loop over all available audio drivers */
iMax = SDL_GetNumAudioDrivers();
SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
for (i = 0; i < iMax; i++) {
audioDriver = SDL_GetAudioDriver(i);
SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL");
SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver);
/* Change specs */
for (j = 0; j < 2; j++) {
/* Call Init */
result = SDL_AudioInit(audioDriver);
SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
/* Set spec */
SDL_memset(&desired, 0, sizeof(desired));
switch (j) {
case 0:
/* Set standard desired spec */
desired.freq = 22050;
desired.format = AUDIO_S16SYS;
desired.channels = 2;
desired.samples = 4096;
desired.callback = _audio_testCallback;
desired.userdata = NULL;
case 1:
/* Set custom desired spec */
desired.freq = 48000;
desired.format = AUDIO_F32SYS;
desired.channels = 2;
desired.samples = 2048;
desired.callback = _audio_testCallback;
desired.userdata = NULL;
break;
}
/* Call Open */
result = SDL_OpenAudio(&desired, NULL);
SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL)", j);
SDLTest_AssertCheck(result == 0, "Verify return value; expected: 0 got: %d", result);
/* Start and stop audio multiple times */
for (l=0; l<3; l++) {
SDLTest_Log("Pause/Unpause iteration: %d", l+1);
/* Reset callback counters */
_audio_testCallbackCounter = 0;
_audio_testCallbackLength = 0;
/* Un-pause audio to start playing (maybe multiple times) */
pause_on = 0;
for (k=0; k <= j; k++) {
SDL_PauseAudio(pause_on);
SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k+1);
}
/* Wait for callback */
totalDelay = 0;
do {
SDL_Delay(10);
totalDelay += 10;
}
while (_audio_testCallbackCounter == 0 && totalDelay < 1000);
SDLTest_AssertCheck(_audio_testCallbackCounter > 0, "Verify callback counter; expected: >0 got: %d", _audio_testCallbackCounter);
SDLTest_AssertCheck(_audio_testCallbackLength > 0, "Verify callback length; expected: >0 got: %d", _audio_testCallbackLength);
/* Pause audio to stop playing (maybe multiple times) */
for (k=0; k <= j; k++) {
pause_on = (k==0) ? 1 : SDLTest_RandomIntegerInRange(99, 9999);
SDL_PauseAudio(pause_on);
SDLTest_AssertPass("Call to SDL_PauseAudio(%d), call %d", pause_on, k+1);
}
/* Ensure callback is not called again */
originalCounter = _audio_testCallbackCounter;
SDL_Delay(totalDelay + 10);
SDLTest_AssertCheck(originalCounter == _audio_testCallbackCounter, "Verify callback counter; expected: %d, got: %d", originalCounter, _audio_testCallbackCounter);
}
/* Call Close */
SDL_CloseAudio();
SDLTest_AssertPass("Call to SDL_CloseAudio()");
/* Call Quit */
SDL_AudioQuit();
SDLTest_AssertPass("Call to SDL_AudioQuit()");
} /* spec loop */
} /* driver loop */
/* Restart audio again */
_audioSetUp(NULL);
return TEST_COMPLETED;
}
/**
* \brief Start, open, close and stop audio
*
* \sa https://wiki.libsdl.org/SDL_InitAudio
* \sa https://wiki.libsdl.org/SDL_OpenAudio
* \sa https://wiki.libsdl.org/SDL_CloseAudio
* \sa https://wiki.libsdl.org/SDL_QuitAudio
*/
int audio_initOpenCloseQuitAudio()
{
int result, expectedResult;
int i, iMax, j, k;
const char* audioDriver;
SDL_AudioSpec desired;
/* Stop SDL audio subsystem */
SDL_QuitSubSystem( SDL_INIT_AUDIO );
SDLTest_AssertPass("Call to SDL_QuitSubSystem(SDL_INIT_AUDIO)");
/* Loop over all available audio drivers */
iMax = SDL_GetNumAudioDrivers();
SDLTest_AssertPass("Call to SDL_GetNumAudioDrivers()");
SDLTest_AssertCheck(iMax > 0, "Validate number of audio drivers; expected: >0 got: %d", iMax);
for (i = 0; i < iMax; i++) {
audioDriver = SDL_GetAudioDriver(i);
SDLTest_AssertPass("Call to SDL_GetAudioDriver(%d)", i);
SDLTest_AssertCheck(audioDriver != NULL, "Audio driver name is not NULL");
SDLTest_AssertCheck(audioDriver[0] != '\0', "Audio driver name is not empty; got: %s", audioDriver);
/* Change specs */
for (j = 0; j < 2; j++) {
/* Call Init */
result = SDL_AudioInit(audioDriver);
SDLTest_AssertPass("Call to SDL_AudioInit('%s')", audioDriver);
SDLTest_AssertCheck(result == 0, "Validate result value; expected: 0 got: %d", result);
/* Set spec */
SDL_memset(&desired, 0, sizeof(desired));
switch (j) {
case 0:
/* Set standard desired spec */
desired.freq = 22050;
desired.format = AUDIO_S16SYS;
desired.channels = 2;
desired.samples = 4096;
desired.callback = _audio_testCallback;
desired.userdata = NULL;
case 1:
/* Set custom desired spec */
desired.freq = 48000;
desired.format = AUDIO_F32SYS;
desired.channels = 2;
desired.samples = 2048;
desired.callback = _audio_testCallback;
desired.userdata = NULL;
break;
}
/* Call Open (maybe multiple times) */
for (k=0; k <= j; k++) {
result = SDL_OpenAudio(&desired, NULL);
SDLTest_AssertPass("Call to SDL_OpenAudio(desired_spec_%d, NULL), call %d", j, k+1);
expectedResult = (k==0) ? 0 : -1;
SDLTest_AssertCheck(result == expectedResult, "Verify return value; expected: %d, got: %d", expectedResult, result);
}
/* Call Close (maybe multiple times) */
for (k=0; k <= j; k++) {
SDL_CloseAudio();
SDLTest_AssertPass("Call to SDL_CloseAudio(), call %d", k+1);
}
/* Call Quit (maybe multiple times) */
for (k=0; k <= j; k++) {
SDL_AudioQuit();
SDLTest_AssertPass("Call to SDL_AudioQuit(), call %d", k+1);
}
} /* spec loop */
} /* driver loop */
/* Restart audio again */
_audioSetUp(NULL);
return TEST_COMPLETED;
}
