1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 // Test whether a stream dies if it is written to after a delay.
18 // Maybe because the message queue from the AAudio service fills up.
19
20 #include <stdio.h>
21 #include <unistd.h>
22
23 #include <aaudio/AAudio.h>
24 #include <gtest/gtest.h>
25
26 constexpr int64_t kNanosPerSecond = 1000000000;
27 constexpr int64_t kTimeoutNanos = kNanosPerSecond / 2;
28 constexpr int kNumFrames = 256;
29 constexpr int kChannelCount = 2;
30
checkFullQueue(aaudio_performance_mode_t perfMode,int32_t sleepMillis)31 static void checkFullQueue(aaudio_performance_mode_t perfMode,
32 int32_t sleepMillis) {
33 std::unique_ptr<float[]> buffer = std::make_unique<float[]>(
34 kNumFrames * kChannelCount);
35
36 AAudioStreamBuilder *aaudioBuilder = nullptr;
37
38 // Use an AAudioStreamBuilder to contain requested parameters.
39 ASSERT_EQ(AAUDIO_OK, AAudio_createStreamBuilder(&aaudioBuilder));
40
41 AAudioStreamBuilder_setChannelCount(aaudioBuilder, kChannelCount);
42
43 // Request stream properties.
44 AAudioStreamBuilder_setPerformanceMode(aaudioBuilder, perfMode);
45
46 // Create an AAudioStream using the Builder.
47 AAudioStream *aaudioStream = nullptr;
48 ASSERT_EQ(AAUDIO_OK, AAudioStreamBuilder_openStream(aaudioBuilder,
49 &aaudioStream));
50 AAudioStreamBuilder_delete(aaudioBuilder);
51
52 EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStart(aaudioStream));
53
54 // Sleep for awhile. This might kill the stream.
55 usleep(sleepMillis * 1000); // 1000 millis in a microsecond
56
57 for (int i = 0; i < 10; i++) {
58 const aaudio_result_t result = AAudioStream_write(aaudioStream,
59 buffer.get(),
60 kNumFrames,
61 kTimeoutNanos);
62 EXPECT_EQ(kNumFrames, result);
63 if (kNumFrames != result) break;
64 }
65
66 EXPECT_EQ(AAUDIO_OK, AAudioStream_requestStop(aaudioStream));
67
68 EXPECT_EQ(AAUDIO_OK, AAudioStream_close(aaudioStream));
69 }
70
TEST(test_full_queue,aaudio_full_queue_perf_none_50)71 TEST(test_full_queue, aaudio_full_queue_perf_none_50) {
72 checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 50 /* sleepMillis */);
73 }
74
TEST(test_full_queue,aaudio_full_queue_perf_none_200)75 TEST(test_full_queue, aaudio_full_queue_perf_none_200) {
76 checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 200 /* sleepMillis */);
77 }
78
TEST(test_full_queue,aaudio_full_queue_perf_none_1000)79 TEST(test_full_queue, aaudio_full_queue_perf_none_1000) {
80 checkFullQueue(AAUDIO_PERFORMANCE_MODE_NONE, 1000 /* sleepMillis */);
81 }
82
TEST(test_full_queue,aaudio_full_queue_low_latency_50)83 TEST(test_full_queue, aaudio_full_queue_low_latency_50) {
84 checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 50 /* sleepMillis */);
85 }
86
TEST(test_full_queue,aaudio_full_queue_low_latency_200)87 TEST(test_full_queue, aaudio_full_queue_low_latency_200) {
88 checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 200 /* sleepMillis */);
89 }
90
TEST(test_full_queue,aaudio_full_queue_low_latency_1000)91 TEST(test_full_queue, aaudio_full_queue_low_latency_1000) {
92 checkFullQueue(AAUDIO_PERFORMANCE_MODE_LOW_LATENCY, 1000 /* sleepMillis */);
93 }
94