зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.4 KiB
C++
52 строки
1.4 KiB
C++
#include "gtest/gtest.h"
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#include <stdlib.h>
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#include <memory>
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#include "cubeb/cubeb.h"
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TEST(cubeb, latency)
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{
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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_frames;
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cubeb_channel_layout layout;
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r = cubeb_init(&ctx, "Cubeb audio test", NULL);
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ASSERT_EQ(r, CUBEB_OK);
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std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
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cleanup_cubeb_at_exit(ctx, cubeb_destroy);
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r = cubeb_get_max_channel_count(ctx, &max_channels);
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ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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ASSERT_GT(max_channels, 0u);
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}
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r = cubeb_get_preferred_sample_rate(ctx, &preferred_rate);
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ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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ASSERT_GT(preferred_rate, 0u);
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}
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r = cubeb_get_preferred_channel_layout(ctx, &layout);
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ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED ||
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(r == CUBEB_ERROR && layout == CUBEB_LAYOUT_UNDEFINED));
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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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(r == CUBEB_OK) ? layout : CUBEB_LAYOUT_UNDEFINED
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#if defined(__ANDROID__)
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, CUBEB_STREAM_TYPE_MUSIC
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#endif
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};
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r = cubeb_get_min_latency(ctx, params, &latency_frames);
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ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
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if (r == CUBEB_OK) {
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ASSERT_GT(latency_frames, 0u);
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}
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}
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