mirror of https://github.com/libsdl-org/SDL
test: Update testsurround for SDL3 audio API.
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@ -96,20 +96,23 @@ static SDL_bool is_lfe_channel(int channel_index, int channel_count)
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return (channel_count == 3 && channel_index == 2) || (channel_count >= 6 && channel_index == 3);
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}
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static void SDLCALL fill_buffer(void *unused, Uint8 *stream, int len)
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static void SDLCALL fill_buffer(SDL_AudioStream *stream, int len, void *unused)
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{
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Sint16 *buffer = (Sint16 *)stream;
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int samples = len / sizeof(Sint16);
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const int samples = len / sizeof(Sint16);
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Sint16 *buffer = NULL;
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static int total_samples = 0;
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int i;
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SDL_memset(stream, 0, len);
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/* This can happen for a short time when switching devices */
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if (active_channel == total_channels) {
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return;
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}
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buffer = (Sint16 *) SDL_calloc(samples, sizeof(Sint16));
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if (!buffer) {
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return; /* oh well. */
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}
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/* Play a sine wave on the active channel only */
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for (i = active_channel; i < samples; i += total_channels) {
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float time = (float)total_samples++ / SAMPLE_RATE_HZ;
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@ -134,12 +137,18 @@ static void SDLCALL fill_buffer(void *unused, Uint8 *stream, int len)
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break;
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}
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}
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SDL_PutAudioStreamData(stream, buffer, samples * sizeof (Sint16));
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SDL_free(buffer);
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}
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int main(int argc, char *argv[])
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{
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int i;
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SDL_AudioDeviceID *devices = NULL;
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SDLTest_CommonState *state;
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int devcount = 0;
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int i;
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/* Initialize test framework */
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state = SDLTest_CommonCreateState(argv, 0);
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@ -168,38 +177,53 @@ int main(int argc, char *argv[])
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SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
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for (i = 0; i < SDL_GetNumAudioDevices(0); i++) {
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const char *devname = SDL_GetAudioDeviceName(i, 0);
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devices = SDL_GetAudioOutputDevices(&devcount);
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if (!devices) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioOutputDevices() failed: %s\n", SDL_GetError());
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devcount = 0;
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}
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for (i = 0; i < devcount; i++) {
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SDL_AudioStream *stream = NULL;
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char *devname = SDL_GetAudioDeviceName(devices[i]);
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int j;
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SDL_AudioSpec spec;
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SDL_AudioDeviceID dev;
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if (SDL_GetAudioDeviceSpec(i, 0, &spec) != 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioSpec() failed: %s\n", SDL_GetError());
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SDL_Log("Testing audio device: %s\n", devname);
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SDL_free(devname);
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if (SDL_GetAudioDeviceFormat(devices[i], &spec) != 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioDeviceFormat() failed: %s\n", SDL_GetError());
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continue;
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}
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SDL_Log(" (%d channels)\n", spec.channels);
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spec.freq = SAMPLE_RATE_HZ;
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spec.format = SDL_AUDIO_S16SYS;
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spec.samples = 4096;
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spec.callback = fill_buffer;
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dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL, 0);
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dev = SDL_OpenAudioDevice(devices[i], &spec);
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if (dev == 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_OpenAudioDevice() failed: %s\n", SDL_GetError());
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continue;
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}
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SDL_Log("Testing audio device: %s (%d channels)\n", devname, spec.channels);
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stream = SDL_CreateAndBindAudioStream(dev, &spec);
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if (stream == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_CreateAndBindAudioStream() failed: %s\n", SDL_GetError());
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SDL_CloseAudioDevice(dev);
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continue;
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}
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/* These are used by the fill_buffer callback */
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total_channels = spec.channels;
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active_channel = 0;
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SDL_PlayAudioDevice(dev);
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SDL_SetAudioStreamGetCallback(stream, fill_buffer, NULL);
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for (j = 0; j < total_channels; j++) {
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int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
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const int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
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SDL_Log("Playing %d Hz test tone on channel: %s\n", sine_freq, get_channel_name(j, total_channels));
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@ -212,8 +236,11 @@ int main(int argc, char *argv[])
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}
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SDL_CloseAudioDevice(dev);
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SDL_DestroyAudioStream(stream);
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}
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SDL_free(devices);
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SDL_Quit();
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return 0;
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}
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