mirror of https://github.com/libsdl-org/SDL
test: Updated testmultiaudio to new SDL3 audio API
This commit is contained in:
Ryan C. Gordon
parent
fe1daf6fb5
commit
b03c493fc4
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@ -27,85 +27,57 @@ static SDL_AudioSpec spec;
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static Uint8 *sound = NULL; /* Pointer to wave data */
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static Uint32 soundlen = 0; /* Length of wave data */
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typedef struct
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{
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SDL_AudioDeviceID dev;
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int soundpos;
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SDL_AtomicInt done;
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} callback_data;
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/* these have to be in globals so the Emscripten port can see them in the mainloop. :/ */
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static SDL_AudioDeviceID device = 0;
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static SDL_AudioStream *stream = NULL;
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static callback_data cbd[64];
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static void SDLCALL
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play_through_once(void *arg, Uint8 *stream, int len)
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{
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callback_data *cbdata = (callback_data *)arg;
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Uint8 *waveptr = sound + cbdata->soundpos;
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int waveleft = soundlen - cbdata->soundpos;
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int cpy = len;
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if (cpy > waveleft) {
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cpy = waveleft;
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}
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SDL_memcpy(stream, waveptr, cpy);
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len -= cpy;
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cbdata->soundpos += cpy;
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if (len > 0) {
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stream += cpy;
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SDL_memset(stream, spec.silence, len);
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SDL_AtomicSet(&cbdata->done, 1);
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}
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}
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#ifdef __EMSCRIPTEN__
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static void loop(void)
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{
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if (SDL_AtomicGet(&cbd[0].done)) {
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emscripten_cancel_main_loop();
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SDL_PauseAudioDevice(cbd[0].dev);
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SDL_CloseAudioDevice(cbd[0].dev);
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if (SDL_GetAudioStreamAvailable(stream) == 0) {
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SDL_Log("done.");
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SDL_CloseAudioDevice(device);
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SDL_DestroyAudioStream(stream);
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SDL_free(sound);
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SDL_Quit();
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emscripten_cancel_main_loop();
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}
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}
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#endif
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static void
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test_multi_audio(int devcount)
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test_multi_audio(SDL_AudioDeviceID *devices, int devcount)
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{
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int keep_going = 1;
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SDL_AudioStream **streams = NULL;
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int i;
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#ifdef __ANDROID__
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#ifdef __ANDROID__ /* !!! FIXME: maybe always create a window, in the SDLTest layer, so these #ifdefs don't have to be here? */
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SDL_Event event;
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/* Create a Window to get fully initialized event processing for testing pause on Android. */
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SDL_CreateWindow("testmultiaudio", 320, 240, 0);
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#endif
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if (devcount > 64) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Too many devices (%d), clamping to 64...\n",
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devcount);
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devcount = 64;
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}
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spec.callback = play_through_once;
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for (i = 0; i < devcount; i++) {
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const char *devname = SDL_GetAudioDeviceName(i, 0);
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SDL_Log("playing on device #%d: ('%s')...", i, devname);
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char *devname = SDL_GetAudioDeviceName(devices[i]);
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SDL_memset(&cbd[0], '\0', sizeof(callback_data));
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spec.userdata = &cbd[0];
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cbd[0].dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL, 0);
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if (cbd[0].dev == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Open device failed: %s\n", SDL_GetError());
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SDL_Log("Playing on device #%d of %d: id=%u, name='%s'...", i, devcount, (unsigned int) devices[i], devname);
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device = SDL_OpenAudioDevice(devices[i], &spec);
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if (device == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Open device failed: %s", SDL_GetError());
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} else if ((stream = SDL_CreateAndBindAudioStream(device, &spec)) == NULL) { /* we can reuse these, but we'll just make one each time for now. */
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Audio stream creation failed: %s", SDL_GetError());
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SDL_CloseAudioDevice(device);
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} else {
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SDL_PlayAudioDevice(cbd[0].dev);
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SDL_PutAudioStreamData(stream, sound, soundlen);
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SDL_FlushAudioStream(stream);
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#ifdef __EMSCRIPTEN__
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emscripten_set_main_loop(loop, 0, 1);
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#else
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while (!SDL_AtomicGet(&cbd[0].done)) {
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while (SDL_GetAudioStreamAvailable(stream) > 0) {
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#ifdef __ANDROID__
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/* Empty queue, some application events would prevent pause. */
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while (SDL_PollEvent(&event)) {
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@ -113,61 +85,77 @@ test_multi_audio(int devcount)
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#endif
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SDL_Delay(100);
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}
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SDL_PauseAudioDevice(cbd[0].dev);
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#endif
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SDL_Log("done.\n");
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SDL_CloseAudioDevice(cbd[0].dev);
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SDL_Log("done.");
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SDL_CloseAudioDevice(device);
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SDL_DestroyAudioStream(stream);
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}
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SDL_free(devname);
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stream = NULL;
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}
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SDL_memset(cbd, '\0', sizeof(cbd));
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SDL_Log("playing on all devices...\n");
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for (i = 0; i < devcount; i++) {
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const char *devname = SDL_GetAudioDeviceName(i, 0);
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spec.userdata = &cbd[i];
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cbd[i].dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL, 0);
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if (cbd[i].dev == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Open device %d failed: %s\n", i, SDL_GetError());
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}
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}
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for (i = 0; i < devcount; i++) {
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if (cbd[i].dev) {
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SDL_PlayAudioDevice(cbd[i].dev);
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}
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}
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while (keep_going) {
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keep_going = 0;
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/* note that Emscripten currently doesn't run this part (but maybe only has a single audio device anyhow?) */
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SDL_Log("Playing on all devices...\n");
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streams = (SDL_AudioStream **) SDL_calloc(devcount, sizeof (SDL_AudioStream *));
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if (!streams) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory!");
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} else {
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for (i = 0; i < devcount; i++) {
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if ((cbd[i].dev) && (!SDL_AtomicGet(&cbd[i].done))) {
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keep_going = 1;
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char *devname = SDL_GetAudioDeviceName(devices[i]);
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device = SDL_OpenAudioDevice(devices[i], &spec);
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if (device == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Open device %d of %d (id=%u, name='%s') failed: %s\n", i, devcount, (unsigned int) devices[i], devname, SDL_GetError());
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}
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SDL_free(devname);
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devices[i] = device; /* just replace the physical device ID with the newly-opened logical device ID. */
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if (device) {
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SDL_PauseAudioDevice(device); /* hold while we set up all the streams. */
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streams[i] = SDL_CreateAndBindAudioStream(device, &spec);
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if (streams[i] == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Audio stream creation failed for device %d of %d: %s", i, devcount, SDL_GetError());
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} else {
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SDL_PutAudioStreamData(streams[i], sound, soundlen);
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SDL_FlushAudioStream(streams[i]);
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}
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}
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}
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#ifdef __ANDROID__
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/* Empty queue, some application events would prevent pause. */
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while (SDL_PollEvent(&event)) {
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/* try to start all the devices about the same time. SDL does not guarantee sync across physical devices. */
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for (i = 0; i < devcount; i++) {
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if (devices[i]) {
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SDL_UnpauseAudioDevice(devices[i]);
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}
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}
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while (keep_going) {
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keep_going = 0;
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for (i = 0; i < devcount; i++) {
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if (streams[i] && (SDL_GetAudioStreamAvailable(streams[i]) > 0)) {
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keep_going = 1;
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}
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}
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#ifdef __ANDROID__
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/* Empty queue, some application events would prevent pause. */
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while (SDL_PollEvent(&event)) {}
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#endif
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SDL_Delay(100);
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}
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#ifndef __EMSCRIPTEN__
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for (i = 0; i < devcount; i++) {
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if (cbd[i].dev) {
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SDL_PauseAudioDevice(cbd[i].dev);
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SDL_CloseAudioDevice(cbd[i].dev);
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SDL_Delay(100);
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}
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for (i = 0; i < devcount; i++) {
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SDL_CloseAudioDevice(devices[i]);
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SDL_DestroyAudioStream(streams[i]);
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}
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SDL_free(streams);
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}
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SDL_Log("All done!\n");
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#endif
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}
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int main(int argc, char **argv)
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{
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SDL_AudioDeviceID *devices = NULL;
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int devcount = 0;
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int i;
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char *filename = NULL;
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@ -212,20 +200,21 @@ int main(int argc, char **argv)
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filename = GetResourceFilename(filename, "sample.wav");
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devcount = SDL_GetNumAudioDevices(0);
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if (devcount < 1) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Don't see any specific audio devices!\n");
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devices = SDL_GetAudioOutputDevices(&devcount);
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if (devices == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Don't see any specific audio devices!");
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} else {
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/* Load the wave file into memory */
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if (SDL_LoadWAV(filename, &spec, &sound, &soundlen) == NULL) {
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if (SDL_LoadWAV(filename, &spec, &sound, &soundlen) == -1) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s\n", filename,
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SDL_GetError());
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} else {
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test_multi_audio(devcount);
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test_multi_audio(devices, devcount);
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SDL_free(sound);
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}
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}
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SDL_free(devices);
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SDL_free(filename);
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SDL_Quit();
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@ -233,3 +222,4 @@ int main(int argc, char **argv)
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return 0;
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}
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