1 /*
2 * Copyright (C) 2017 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 #include <media/TrackPlayerBase.h>
18
19 namespace android {
20 using aidl_utils::binderStatusFromStatusT;
21 using media::VolumeShaper;
22
23 //--------------------------------------------------------------------------------------------------
TrackPlayerBase()24 TrackPlayerBase::TrackPlayerBase() : PlayerBase(),
25 mPlayerVolumeL(1.0f), mPlayerVolumeR(1.0f)
26 {
27 ALOGD("TrackPlayerBase::TrackPlayerBase()");
28 }
29
30
~TrackPlayerBase()31 TrackPlayerBase::~TrackPlayerBase() {
32 ALOGD("TrackPlayerBase::~TrackPlayerBase()");
33 doDestroy();
34 }
35
init(const sp<AudioTrack> & pat,const sp<AudioTrack::IAudioTrackCallback> & callback,player_type_t playerType,audio_usage_t usage,audio_session_t sessionId)36 void TrackPlayerBase::init(const sp<AudioTrack>& pat,
37 const sp<AudioTrack::IAudioTrackCallback>& callback,
38 player_type_t playerType, audio_usage_t usage,
39 audio_session_t sessionId) {
40 PlayerBase::init(playerType, usage, sessionId);
41 mAudioTrack = pat;
42 if (mAudioTrack != 0) {
43 mCallbackHandle = callback;
44 mSelfAudioDeviceCallback = new SelfAudioDeviceCallback(*this);
45 mAudioTrack->addAudioDeviceCallback(mSelfAudioDeviceCallback);
46 mAudioTrack->setPlayerIId(mPIId); // set in PlayerBase::init().
47 }
48 }
49
destroy()50 void TrackPlayerBase::destroy() {
51 doDestroy();
52 baseDestroy();
53 }
54
SelfAudioDeviceCallback(PlayerBase & self)55 TrackPlayerBase::SelfAudioDeviceCallback::SelfAudioDeviceCallback(PlayerBase& self) :
56 AudioSystem::AudioDeviceCallback(), mSelf(self) {
57 }
58
~SelfAudioDeviceCallback()59 TrackPlayerBase::SelfAudioDeviceCallback::~SelfAudioDeviceCallback() {
60 }
61
onAudioDeviceUpdate(audio_io_handle_t __unused,audio_port_handle_t deviceId)62 void TrackPlayerBase::SelfAudioDeviceCallback::onAudioDeviceUpdate(audio_io_handle_t __unused,
63 audio_port_handle_t deviceId) {
64 mSelf.baseUpdateDeviceId(deviceId);
65 }
66
doDestroy()67 void TrackPlayerBase::doDestroy() {
68 if (mAudioTrack != 0) {
69 mAudioTrack->stop();
70 mAudioTrack->removeAudioDeviceCallback(mSelfAudioDeviceCallback);
71 mSelfAudioDeviceCallback.clear();
72 // Note that there may still be another reference in post-unlock phase of SetPlayState
73 mAudioTrack.clear();
74 }
75 }
76
setPlayerVolume(float vl,float vr)77 void TrackPlayerBase::setPlayerVolume(float vl, float vr) {
78 {
79 Mutex::Autolock _l(mSettingsLock);
80 mPlayerVolumeL = vl;
81 mPlayerVolumeR = vr;
82 }
83 doSetVolume();
84 }
85
86 //------------------------------------------------------------------------------
87 // Implementation of IPlayer
playerStart()88 status_t TrackPlayerBase::playerStart() {
89 status_t status = NO_INIT;
90 if (mAudioTrack != 0) {
91 status = mAudioTrack->start();
92 }
93 return status;
94 }
95
playerPause()96 status_t TrackPlayerBase::playerPause() {
97 status_t status = NO_INIT;
98 if (mAudioTrack != 0) {
99 mAudioTrack->pause();
100 status = NO_ERROR;
101 }
102 return status;
103 }
104
105
playerStop()106 status_t TrackPlayerBase::playerStop() {
107 status_t status = NO_INIT;
108 if (mAudioTrack != 0) {
109 mAudioTrack->stop();
110 status = NO_ERROR;
111 }
112 return status;
113 }
114
playerSetVolume()115 status_t TrackPlayerBase::playerSetVolume() {
116 return doSetVolume();
117 }
118
doSetVolume()119 status_t TrackPlayerBase::doSetVolume() {
120 status_t status = NO_INIT;
121 if (mAudioTrack != 0) {
122 float tl = mPlayerVolumeL * mPanMultiplierL * mVolumeMultiplierL;
123 float tr = mPlayerVolumeR * mPanMultiplierR * mVolumeMultiplierR;
124 mAudioTrack->setVolume(tl, tr);
125 status = NO_ERROR;
126 }
127 return status;
128 }
129
130
applyVolumeShaper(const media::VolumeShaperConfiguration & configuration,const media::VolumeShaperOperation & operation)131 binder::Status TrackPlayerBase::applyVolumeShaper(
132 const media::VolumeShaperConfiguration& configuration,
133 const media::VolumeShaperOperation& operation) {
134
135 sp<VolumeShaper::Configuration> spConfiguration = new VolumeShaper::Configuration();
136 sp<VolumeShaper::Operation> spOperation = new VolumeShaper::Operation();
137
138 status_t s = spConfiguration->readFromParcelable(configuration)
139 ?: spOperation->readFromParcelable(operation);
140 if (s != OK) {
141 return binderStatusFromStatusT(s);
142 }
143
144 if (mAudioTrack != 0) {
145 ALOGD("TrackPlayerBase::applyVolumeShaper() from IPlayer");
146 VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(spConfiguration, spOperation);
147 if (status < 0) { // a non-negative value is the volume shaper id.
148 ALOGE("TrackPlayerBase::applyVolumeShaper() failed with status %d", status);
149 }
150 return binderStatusFromStatusT(status);
151 } else {
152 ALOGD("TrackPlayerBase::applyVolumeShaper()"
153 " no AudioTrack for volume control from IPlayer");
154 return binder::Status::ok();
155 }
156 }
157
158 } // namespace android
159