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/*
* Copyright © 2017 Mozilla Foundation
*
* This program is made available under an ISC-style license. See the
* accompanying file LICENSE for details.
*/
#include "gtest/gtest.h"
#if !defined(_XOPEN_SOURCE)
#define _XOPEN_SOURCE 600
#endif
#include "cubeb/cubeb.h"
#include <atomic>
#include <math.h>
#include <memory>
#include <stdio.h>
#include <stdlib.h>
// #define ENABLE_NORMAL_LOG
// #define ENABLE_VERBOSE_LOG
#include "common.h"
#define SAMPLE_FREQUENCY 48000
#define STREAM_FORMAT CUBEB_SAMPLE_S16LE
std::atomic<bool> load_callback{false};
static long
data_cb(cubeb_stream * stream, void * user, const void * inputbuffer,
void * outputbuffer, long nframes)
{
if (load_callback) {
fprintf(stderr, "Sleeping...\n");
delay(100000);
fprintf(stderr, "Sleeping done\n");
}
return nframes;
}
static void
state_cb(cubeb_stream * stream, void * /*user*/, cubeb_state state)
{
ASSERT_TRUE(!!stream);
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:
FAIL() << "this test is not supposed to drain";
break;
case CUBEB_STATE_ERROR:
fprintf(stderr, "stream error\n");
break;
default:
FAIL() << "this test is not supposed to have a weird state";
break;
}
}
TEST(cubeb, overload_callback)
{
cubeb * ctx;
cubeb_stream * stream;
cubeb_stream_params output_params;
int r;
uint32_t latency_frames = 0;
r = common_init(&ctx, "Cubeb callback overload");
ASSERT_EQ(r, CUBEB_OK);
std::unique_ptr<cubeb, decltype(&cubeb_destroy)> cleanup_cubeb_at_exit(
ctx, cubeb_destroy);
// This test is specifically designed to test a behaviour of the WASAPI
// backend in a specific scenario.
if (strcmp(cubeb_get_backend_id(ctx), "wasapi") != 0) {
return;
}
output_params.format = STREAM_FORMAT;
output_params.rate = 48000;
output_params.channels = 2;
output_params.layout = CUBEB_LAYOUT_STEREO;
output_params.prefs = CUBEB_STREAM_PREF_NONE;
r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
ASSERT_EQ(r, CUBEB_OK);
r = cubeb_stream_init(ctx, &stream, "Cubeb", NULL, NULL, NULL, &output_params,
latency_frames, data_cb, state_cb, NULL);
ASSERT_EQ(r, CUBEB_OK);
std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
cleanup_stream_at_exit(stream, cubeb_stream_destroy);
cubeb_stream_start(stream);
delay(500);
// This causes the callback to sleep for a large number of seconds.
load_callback = true;
delay(500);
cubeb_stream_stop(stream);
}
#undef SAMPLE_FREQUENCY
#undef STREAM_FORMAT