gecko/media/libcubeb/tests/test_latency.cpp

49 lines
1.3 KiB
C++

#ifdef NDEBUG
#undef NDEBUG
#endif
#include <stdlib.h>
#include <cubeb/cubeb.h>
#include <assert.h>
#include <stdio.h>
#define LOG(msg) fprintf(stderr, "%s\n", msg);
int main(int argc, char * argv[])
{
cubeb * ctx = NULL;
int rv;
uint32_t max_channels;
uint32_t preferred_rate;
uint32_t latency_ms;
LOG("latency_test start");
rv = cubeb_init(&ctx, "Cubeb audio test");
assert(rv == CUBEB_OK && "Cubeb init failed.");
LOG("cubeb_init ok");
rv = cubeb_get_max_channel_count(ctx, &max_channels);
assert(rv == CUBEB_OK && "Could not query the max channe count.");
assert(max_channels > 0 && "Invalid max channel count.");
LOG("cubeb_get_max_channel_count ok");
rv = cubeb_get_preferred_sample_rate(ctx, &preferred_rate);
assert(rv == CUBEB_OK && "Could not query the preferred sample rate.");
assert(preferred_rate && "Invalid preferred sample rate.");
LOG("cubeb_get_preferred_sample_rate ok");
cubeb_stream_params params = {
CUBEB_SAMPLE_FLOAT32NE,
preferred_rate,
max_channels
};
rv = cubeb_get_min_latency(ctx, params, &latency_ms);
assert(rv == CUBEB_OK && "Could not query the minimal latency.");
assert(latency_ms && "Invalid minimal latency.");
LOG("cubeb_get_min_latency ok");
cubeb_destroy(ctx);
LOG("cubeb_destroy ok");
return EXIT_SUCCESS;
}