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test: Update testsurround for SDL3 audio API.

This commit is contained in:
Ryan C. Gordon 2023-06-24 15:41:20 -04:00
parent e1c78718d4
commit 3a02eecced
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GPG Key ID: FA148B892AB48044
1 changed files with 43 additions and 16 deletions
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59
test/testsurround.c
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@ -96,20 +96,23 @@ static SDL_bool is_lfe_channel(int channel_index, int channel_count)
return (channel_count == 3 && channel_index == 2) || (channel_count >= 6 && channel_index == 3);
}
static void SDLCALL fill_buffer(void *unused, Uint8 *stream, int len)
static void SDLCALL fill_buffer(SDL_AudioStream *stream, int len, void *unused)
{
Sint16 *buffer = (Sint16 *)stream;
int samples = len / sizeof(Sint16);
const int samples = len / sizeof(Sint16);
Sint16 *buffer = NULL;
static int total_samples = 0;
int i;
SDL_memset(stream, 0, len);
/* This can happen for a short time when switching devices */
if (active_channel == total_channels) {
return;
}
buffer = (Sint16 *) SDL_calloc(samples, sizeof(Sint16));
if (!buffer) {
return; /* oh well. */
}
/* Play a sine wave on the active channel only */
for (i = active_channel; i < samples; i += total_channels) {
float time = (float)total_samples++ / SAMPLE_RATE_HZ;
@ -134,12 +137,18 @@ static void SDLCALL fill_buffer(void *unused, Uint8 *stream, int len)
break;
}
}
SDL_PutAudioStreamData(stream, buffer, samples * sizeof (Sint16));
SDL_free(buffer);
}
int main(int argc, char *argv[])
{
int i;
SDL_AudioDeviceID *devices = NULL;
SDLTest_CommonState *state;
int devcount = 0;
int i;
/* Initialize test framework */
state = SDLTest_CommonCreateState(argv, 0);
@ -168,38 +177,53 @@ int main(int argc, char *argv[])
SDL_Log("Using audio driver: %s\n", SDL_GetCurrentAudioDriver());
for (i = 0; i < SDL_GetNumAudioDevices(0); i++) {
const char *devname = SDL_GetAudioDeviceName(i, 0);
devices = SDL_GetAudioOutputDevices(&devcount);
if (!devices) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioOutputDevices() failed: %s\n", SDL_GetError());
devcount = 0;
}
for (i = 0; i < devcount; i++) {
SDL_AudioStream *stream = NULL;
char *devname = SDL_GetAudioDeviceName(devices[i]);
int j;
SDL_AudioSpec spec;
SDL_AudioDeviceID dev;
if (SDL_GetAudioDeviceSpec(i, 0, &spec) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioSpec() failed: %s\n", SDL_GetError());
SDL_Log("Testing audio device: %s\n", devname);
SDL_free(devname);
if (SDL_GetAudioDeviceFormat(devices[i], &spec) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_GetAudioDeviceFormat() failed: %s\n", SDL_GetError());
continue;
}
SDL_Log(" (%d channels)\n", spec.channels);
spec.freq = SAMPLE_RATE_HZ;
spec.format = SDL_AUDIO_S16SYS;
spec.samples = 4096;
spec.callback = fill_buffer;
dev = SDL_OpenAudioDevice(devname, 0, &spec, NULL, 0);
dev = SDL_OpenAudioDevice(devices[i], &spec);
if (dev == 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_OpenAudioDevice() failed: %s\n", SDL_GetError());
continue;
}
SDL_Log("Testing audio device: %s (%d channels)\n", devname, spec.channels);
stream = SDL_CreateAndBindAudioStream(dev, &spec);
if (stream == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_CreateAndBindAudioStream() failed: %s\n", SDL_GetError());
SDL_CloseAudioDevice(dev);
continue;
}
/* These are used by the fill_buffer callback */
total_channels = spec.channels;
active_channel = 0;
SDL_PlayAudioDevice(dev);
SDL_SetAudioStreamGetCallback(stream, fill_buffer, NULL);
for (j = 0; j < total_channels; j++) {
int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
const int sine_freq = is_lfe_channel(j, total_channels) ? LFE_SINE_FREQ_HZ : SINE_FREQ_HZ;
SDL_Log("Playing %d Hz test tone on channel: %s\n", sine_freq, get_channel_name(j, total_channels));
@ -212,8 +236,11 @@ int main(int argc, char *argv[])
}
SDL_CloseAudioDevice(dev);
SDL_DestroyAudioStream(stream);
}
SDL_free(devices);
SDL_Quit();
return 0;
}