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110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/*
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* Copyright © 2018 Mozilla Foundation
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*
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* This program is made available under an ISC-style license. See the
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* accompanying file LICENSE for details.
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*/
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/* libcubeb api/function test. Check behaviors of registering device changed
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* callbacks for the streams. */
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#include "gtest/gtest.h"
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#if !defined(_XOPEN_SOURCE)
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#define _XOPEN_SOURCE 600
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#endif
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#include <stdio.h>
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#include <memory>
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#include "cubeb/cubeb.h"
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//#define ENABLE_NORMAL_LOG
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//#define ENABLE_VERBOSE_LOG
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#include "common.h"
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#define SAMPLE_FREQUENCY 48000
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#define STREAM_FORMAT CUBEB_SAMPLE_FLOAT32LE
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#define INPUT_CHANNELS 1
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#define INPUT_LAYOUT CUBEB_LAYOUT_MONO
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#define OUTPUT_CHANNELS 2
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#define OUTPUT_LAYOUT CUBEB_LAYOUT_STEREO
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long data_callback(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
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{
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return 0;
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}
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void state_callback(cubeb_stream * stream, void * user, cubeb_state state)
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{
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}
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void device_changed_callback(void * user)
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{
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fprintf(stderr, "device changed callback\n");
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ASSERT_TRUE(false) << "Error: device changed callback"
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" called without changing devices";
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}
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void test_registering_null_callback_twice(cubeb_stream * stream)
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{
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int r = cubeb_stream_register_device_changed_callback(stream, nullptr);
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if (r == CUBEB_ERROR_NOT_SUPPORTED) {
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return;
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}
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ASSERT_EQ(r, CUBEB_OK) << "Error registering null device changed callback";
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r = cubeb_stream_register_device_changed_callback(stream, nullptr);
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ASSERT_EQ(r, CUBEB_OK) << "Error registering null device changed callback again";
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}
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void test_registering_and_unregistering_callback(cubeb_stream * stream)
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{
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int r = cubeb_stream_register_device_changed_callback(stream, device_changed_callback);
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if (r == CUBEB_ERROR_NOT_SUPPORTED) {
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return;
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}
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ASSERT_EQ(r, CUBEB_OK) << "Error registering device changed callback";
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r = cubeb_stream_register_device_changed_callback(stream, nullptr);
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ASSERT_EQ(r, CUBEB_OK) << "Error unregistering device changed callback";
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}
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TEST(cubeb, device_changed_callbacks)
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{
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cubeb * ctx;
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cubeb_stream * stream;
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cubeb_stream_params input_params;
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cubeb_stream_params output_params;
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int r = CUBEB_OK;
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uint32_t latency_frames = 0;
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r = common_init(&ctx, "Cubeb duplex example with device change");
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
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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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/* typical user-case: mono input, stereo output, low latency. */
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input_params.format = STREAM_FORMAT;
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input_params.rate = SAMPLE_FREQUENCY;
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input_params.channels = INPUT_CHANNELS;
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input_params.layout = INPUT_LAYOUT;
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input_params.prefs = CUBEB_STREAM_PREF_NONE;
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output_params.format = STREAM_FORMAT;
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output_params.rate = SAMPLE_FREQUENCY;
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output_params.channels = OUTPUT_CHANNELS;
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output_params.layout = OUTPUT_LAYOUT;
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output_params.prefs = CUBEB_STREAM_PREF_NONE;
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r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
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ASSERT_EQ(r, CUBEB_OK) << "Could not get minimal latency";
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r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
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NULL, &input_params, NULL, &output_params,
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latency_frames, data_callback, state_callback, nullptr);
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
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test_registering_null_callback_twice(stream);
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test_registering_and_unregistering_callback(stream);
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cubeb_stream_destroy(stream);
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}
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