зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.5 KiB
C++
61 строка
1.5 KiB
C++
#ifdef NDEBUG
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#undef NDEBUG
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#endif
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#include <stdlib.h>
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#include <cubeb/cubeb.h>
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#include <assert.h>
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#include <stdio.h>
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#ifdef CUBEB_GECKO_BUILD
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#include "TestHarness.h"
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#endif
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#define LOG(msg) fprintf(stderr, "%s\n", msg);
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int main(int argc, char * argv[])
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{
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#ifdef CUBEB_GECKO_BUILD
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ScopedXPCOM xpcom("test_latency");
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#endif
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cubeb * ctx = NULL;
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int r;
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uint32_t max_channels;
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uint32_t preferred_rate;
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uint32_t latency_ms;
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LOG("latency_test start");
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r = cubeb_init(&ctx, "Cubeb audio test");
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assert(r == CUBEB_OK && "Cubeb init failed.");
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LOG("cubeb_init ok");
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r = cubeb_get_max_channel_count(ctx, &max_channels);
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assert(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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assert(max_channels > 0 && "Invalid max channel count.");
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LOG("cubeb_get_max_channel_count ok");
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}
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r = cubeb_get_preferred_sample_rate(ctx, &preferred_rate);
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assert(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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assert(preferred_rate > 0 && "Invalid preferred sample rate.");
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LOG("cubeb_get_preferred_sample_rate ok");
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}
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cubeb_stream_params params = {
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CUBEB_SAMPLE_FLOAT32NE,
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preferred_rate,
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max_channels
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};
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r = cubeb_get_min_latency(ctx, params, &latency_ms);
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assert(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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assert(latency_ms > 0 && "Invalid minimal latency.");
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LOG("cubeb_get_min_latency ok");
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}
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cubeb_destroy(ctx);
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LOG("cubeb_destroy ok");
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return EXIT_SUCCESS;
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}
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