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 #include <stdlib.h>
18
19 #include "Log.h"
20 #include "audio/AudioHardware.h"
21 #include "task/TaskCase.h"
22 #include "task/TaskInput.h"
23
TaskInput()24 TaskInput::TaskInput()
25 : TaskAsync(TaskGeneric::ETaskInput),
26 mRecordingTimeInMs(0)
27 {
28
29 }
30
~TaskInput()31 TaskInput::~TaskInput()
32 {
33
34 }
35
parseAttribute(const android::String8 & name,const android::String8 & value)36 bool TaskInput::parseAttribute(const android::String8& name, const android::String8& value)
37 {
38 if (strcmp(name, "time") == 0) {
39 mRecordingTimeInMs = atoi(value);
40 if (mRecordingTimeInMs < 0) {
41 LOGE("TaskInput::parseAttribute invalid recording time %d", mRecordingTimeInMs);
42 return false;
43 }
44 return true;
45 }
46 return TaskAsync::parseAttribute(name, value);
47 }
48
start()49 TaskGeneric::ExecutionResult TaskInput::start()
50 {
51 bool localDevice = (mDeviceType == TaskAsync::EDeviceHost);
52 android::sp<AudioHardware> hw = AudioHardware::createAudioHw(localDevice, false,
53 getTestCase());
54 if (hw.get() == NULL) {
55 LOGE("createAudioHw failed");
56 return TaskGeneric::EResultError;
57 }
58 // TODO support stereo mode in local later
59 // for now, local is captured in stereo, and it is stored to mono
60 // by keeping only channel 1.
61 // local : stereo only, remote : mono only
62 size_t bufferSize = mRecordingTimeInMs * AudioHardware::ESampleRate_44100 / 1000 *
63 (localDevice ? 4 : 2);
64 android::sp<Buffer> buffer(new Buffer(bufferSize, bufferSize, localDevice));
65 if (buffer.get() == NULL) {
66 LOGE("buffer alloc failed");
67 return TaskGeneric::EResultError;
68 }
69 if (!hw->prepare(AudioHardware::ESampleRate_44100, mVolume, mMode)) {
70 LOGE("prepare failed");
71 return TaskGeneric::EResultError;
72 }
73 if (!hw->startPlaybackOrRecord(buffer)) {
74 LOGE("record failed");
75 return TaskGeneric::EResultError;
76 }
77 // now store sp
78 mHw = hw;
79 mBuffer = buffer;
80 return TaskGeneric::EResultOK;
81 }
82
complete()83 TaskGeneric::ExecutionResult TaskInput::complete()
84 {
85 bool result = mHw->waitForCompletion();
86 mHw->stopPlaybackOrRecord();
87 mHw.clear();
88 if (!result) {
89 LOGE("waitForComletion failed");
90 return TaskGeneric::EResultError;
91 }
92 // TODO: need to keep stereo for local if in stereo mode
93 // For now, convert to mono if it is stereo
94 if (mBuffer->isStereo()) {
95 mBuffer->changeToMono(Buffer::EKeepCh0);
96 }
97 if (!getTestCase()->registerBuffer(mId, mBuffer)) {
98 if (!getTestCase()->updateBuffer(mId, mBuffer)) {
99 LOGE("cannot register/update buffer %s", mId.string());
100 return TaskGeneric::EResultError;
101 }
102 }
103 return TaskGeneric::EResultOK;
104 }
105
106
107