1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * 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, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 
17 #ifndef CTSAUDIO_AUDIOPLAYTESTCOMMON_H
18 #define CTSAUDIO_AUDIOPLAYTESTCOMMON_H
19 
20 #include <gtest/gtest.h>
21 #include <utils/threads.h>
22 #include <utils/StrongPointer.h>
23 
24 #include <audio/AudioHardware.h>
25 #include <audio/AudioPlaybackLocal.h>
26 #include <audio/AudioRecordingLocal.h>
27 #include <audio/AudioSignalFactory.h>
28 #include <audio/AudioLocal.h>
29 #include <audio/Buffer.h>
30 
31 
32 #include <Log.h>
33 
34 
35 class AudioPlayTestCommon : public testing::Test {
36 protected:
37     android::sp<Buffer> mBuffer;
38     android::sp<AudioHardware> mAudioHw;
39 
40     static const int MAX_POSITIVE_AMPLITUDE = 1000;
41     static const int SIGNAL_FREQ = 1000;
42     static const int SIGNAL_LENGTH = AudioHardware::SAMPLES_PER_ONE_GO * 2;
43     static const int DEFAULT_VOLUME = 10;
44 
45 protected:
~AudioPlayTestCommon()46     virtual ~AudioPlayTestCommon() {
47         LOGV("~AudioPlayTestCommon");
48     }
SetUp()49     virtual void SetUp() {
50         mAudioHw = createAudioHw();
51         ASSERT_TRUE(mAudioHw.get() != NULL);
52         mBuffer = AudioSignalFactory::generateSineWave(AudioHardware::E2BPS,
53                 MAX_POSITIVE_AMPLITUDE, AudioHardware::ESampleRate_44100,
54                 SIGNAL_FREQ, SIGNAL_LENGTH);
55         ASSERT_TRUE(mBuffer.get() != NULL);
56     }
57 
TearDown()58     virtual void TearDown() {
59         LOGV("AudioPlayTestCommon::TearDown");
60         mAudioHw->stopPlaybackOrRecord(); // this stops the thread
61         mAudioHw.clear();
62     }
63 
playAll(int numberRepetition)64     void playAll(int numberRepetition) {
65         ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
66         ASSERT_TRUE(mAudioHw->startPlaybackOrRecord(mBuffer, numberRepetition));
67         ASSERT_TRUE(mAudioHw->waitForCompletion());
68         mAudioHw->stopPlaybackOrRecord();
69         LOGV("size %d, handled %d", mBuffer->getSize(), mBuffer->amountHandled());
70         ASSERT_TRUE(mBuffer->amountHandled() == mBuffer->getSize());
71     }
72 
repeatPlayStop()73     void repeatPlayStop() {
74         for (int i = 0; i < 2; i++) {
75             ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
76             mBuffer->restart();
77             ASSERT_TRUE(mAudioHw->startPlaybackOrRecord(mBuffer, 10));
78             mAudioHw->stopPlaybackOrRecord();
79         }
80     }
81 
playWrongUsage()82     void playWrongUsage() {
83         ASSERT_FALSE(mAudioHw->startPlaybackOrRecord(mBuffer));
84         ASSERT_TRUE(mAudioHw->prepare(AudioHardware::ESampleRate_44100, DEFAULT_VOLUME));
85         playAll(1);
86     }
87 
88     virtual android::sp<AudioHardware> createAudioHw() = 0;
89 };
90 
91 #endif // CTSAUDIO_AUDIOPLAYTESTCOMMON_H
92