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/*
* Copyright © 2016 Mozilla Foundation
*
* This program is made available under an ISC-style license. See the
* accompanying file LICENSE for details.
*/
/* libcubeb api/function test. Record the mic and check there is sound. */
#include "gtest/gtest.h"
#if !defined(_XOPEN_SOURCE)
#define _XOPEN_SOURCE 600
#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <memory>
#include "cubeb/cubeb.h"
#include <atomic>
//#define ENABLE_NORMAL_LOG
//#define ENABLE_VERBOSE_LOG
#include "common.h"
#define SAMPLE_FREQUENCY 48000
#define STREAM_FORMAT CUBEB_SAMPLE_FLOAT32LE
struct user_state_record
{
std::atomic<int> invalid_audio_value{ 0 };
};
long data_cb_record(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
{
user_state_record * u = reinterpret_cast<user_state_record*>(user);
float *b = (float *)inputbuffer;
if (stream == NULL || inputbuffer == NULL || outputbuffer != NULL) {
return CUBEB_ERROR;
}
for (long i = 0; i < nframes; i++) {
if (b[i] <= -1.0 || b[i] >= 1.0) {
u->invalid_audio_value = 1;
break;
}
}
return nframes;
}
void state_cb_record(cubeb_stream * stream, void * /*user*/, cubeb_state state)
{
if (stream == NULL)
return;
switch (state) {
case CUBEB_STATE_STARTED:
fprintf(stderr, "stream started\n"); break;
case CUBEB_STATE_STOPPED:
fprintf(stderr, "stream stopped\n"); break;
case CUBEB_STATE_DRAINED:
fprintf(stderr, "stream drained\n"); break;
default:
fprintf(stderr, "unknown stream state %d\n", state);
}
return;
}
TEST(cubeb, record)
{
if (cubeb_set_log_callback(CUBEB_LOG_DISABLED, nullptr /*print_log*/) != CUBEB_OK) {
fprintf(stderr, "Set log callback failed\n");
}
cubeb *ctx;
cubeb_stream *stream;
cubeb_stream_params params;
int r;
user_state_record stream_state;
r = common_init(&ctx, "Cubeb record example");
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
cleanup_cubeb_at_exit(ctx, cubeb_destroy);
/* This test needs an available input device, skip it if this host does not
* have one. */
if (!has_available_input_device(ctx)) {
return;
}
params.format = STREAM_FORMAT;
params.rate = SAMPLE_FREQUENCY;
params.channels = 1;
params.layout = CUBEB_LAYOUT_UNDEFINED;
params.prefs = CUBEB_STREAM_PREF_NONE;
r = cubeb_stream_init(ctx, &stream, "Cubeb record (mono)", NULL, ¶ms, NULL, nullptr,
4096, data_cb_record, state_cb_record, &stream_state);
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
cleanup_stream_at_exit(stream, cubeb_stream_destroy);
cubeb_stream_start(stream);
delay(500);
cubeb_stream_stop(stream);
#ifdef __linux__
// user callback does not arrive in Linux, silence the error
fprintf(stderr, "Check is disabled in Linux\n");
#else
ASSERT_FALSE(stream_state.invalid_audio_value.load());
#endif
}
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