зеркало из https://github.com/mozilla/cubeb.git
120 строки
3.0 KiB
C++
120 строки
3.0 KiB
C++
/*
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* Copyright © 2016 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. Record the mic and check there is sound. */
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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 <stdlib.h>
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#include <math.h>
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#include <memory>
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#include "cubeb/cubeb.h"
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#include <atomic>
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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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struct user_state_record
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{
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std::atomic<int> invalid_audio_value{ 0 };
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};
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long data_cb_record(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
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{
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user_state_record * u = reinterpret_cast<user_state_record*>(user);
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float *b = (float *)inputbuffer;
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if (stream == NULL || inputbuffer == NULL || outputbuffer != NULL) {
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return CUBEB_ERROR;
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}
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for (long i = 0; i < nframes; i++) {
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if (b[i] <= -1.0 || b[i] >= 1.0) {
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u->invalid_audio_value = 1;
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break;
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}
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}
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return nframes;
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}
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void state_cb_record(cubeb_stream * stream, void * /*user*/, cubeb_state state)
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{
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if (stream == NULL)
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return;
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switch (state) {
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case CUBEB_STATE_STARTED:
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fprintf(stderr, "stream started\n"); break;
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case CUBEB_STATE_STOPPED:
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fprintf(stderr, "stream stopped\n"); break;
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case CUBEB_STATE_DRAINED:
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fprintf(stderr, "stream drained\n"); break;
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default:
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fprintf(stderr, "unknown stream state %d\n", state);
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}
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return;
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}
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TEST(cubeb, record)
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{
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if (cubeb_set_log_callback(CUBEB_LOG_DISABLED, nullptr /*print_log*/) != CUBEB_OK) {
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fprintf(stderr, "Set log callback failed\n");
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}
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cubeb *ctx;
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cubeb_stream *stream;
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cubeb_stream_params params;
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int r;
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user_state_record stream_state;
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r = common_init(&ctx, "Cubeb record example");
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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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/* This test needs an available input device, skip it if this host does not
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* have one. */
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if (!can_run_audio_input_test(ctx)) {
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return;
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}
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params.format = STREAM_FORMAT;
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params.rate = SAMPLE_FREQUENCY;
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params.channels = 1;
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params.layout = CUBEB_LAYOUT_UNDEFINED;
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params.prefs = CUBEB_STREAM_PREF_NONE;
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r = cubeb_stream_init(ctx, &stream, "Cubeb record (mono)", NULL, ¶ms, NULL, nullptr,
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4096, data_cb_record, state_cb_record, &stream_state);
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
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std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
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cleanup_stream_at_exit(stream, cubeb_stream_destroy);
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cubeb_stream_start(stream);
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delay(500);
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cubeb_stream_stop(stream);
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#ifdef __linux__
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// user callback does not arrive in Linux, silence the error
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fprintf(stderr, "Check is disabled in Linux\n");
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#else
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ASSERT_FALSE(stream_state.invalid_audio_value.load());
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#endif
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}
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#undef SAMPLE_FREQUENCY
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#undef STREAM_FORMAT
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