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
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(AudioTrack * pat,player_type_t playerType,audio_usage_t usage)36 void TrackPlayerBase::init(AudioTrack* pat, player_type_t playerType, audio_usage_t usage) {
37 PlayerBase::init(playerType, usage);
38 mAudioTrack = pat;
39 }
40
destroy()41 void TrackPlayerBase::destroy() {
42 doDestroy();
43 baseDestroy();
44 }
45
doDestroy()46 void TrackPlayerBase::doDestroy() {
47 if (mAudioTrack != 0) {
48 mAudioTrack->stop();
49 // Note that there may still be another reference in post-unlock phase of SetPlayState
50 mAudioTrack.clear();
51 }
52 }
53
setPlayerVolume(float vl,float vr)54 void TrackPlayerBase::setPlayerVolume(float vl, float vr) {
55 {
56 Mutex::Autolock _l(mSettingsLock);
57 mPlayerVolumeL = vl;
58 mPlayerVolumeR = vr;
59 }
60 doSetVolume();
61 }
62
63 //------------------------------------------------------------------------------
64 // Implementation of IPlayer
playerStart()65 status_t TrackPlayerBase::playerStart() {
66 status_t status = NO_INIT;
67 if (mAudioTrack != 0) {
68 status = mAudioTrack->start();
69 }
70 return status;
71 }
72
playerPause()73 status_t TrackPlayerBase::playerPause() {
74 status_t status = NO_INIT;
75 if (mAudioTrack != 0) {
76 mAudioTrack->pause();
77 status = NO_ERROR;
78 }
79 return status;
80 }
81
82
playerStop()83 status_t TrackPlayerBase::playerStop() {
84 status_t status = NO_INIT;
85 if (mAudioTrack != 0) {
86 mAudioTrack->stop();
87 status = NO_ERROR;
88 }
89 return status;
90 }
91
playerSetVolume()92 status_t TrackPlayerBase::playerSetVolume() {
93 return doSetVolume();
94 }
95
doSetVolume()96 status_t TrackPlayerBase::doSetVolume() {
97 status_t status = NO_INIT;
98 if (mAudioTrack != 0) {
99 float tl = mPlayerVolumeL * mPanMultiplierL * mVolumeMultiplierL;
100 float tr = mPlayerVolumeR * mPanMultiplierR * mVolumeMultiplierR;
101 mAudioTrack->setVolume(tl, tr);
102 status = NO_ERROR;
103 }
104 return status;
105 }
106
107
applyVolumeShaper(const VolumeShaper::Configuration & configuration,const VolumeShaper::Operation & operation)108 binder::Status TrackPlayerBase::applyVolumeShaper(
109 const VolumeShaper::Configuration& configuration,
110 const VolumeShaper::Operation& operation) {
111
112 sp<VolumeShaper::Configuration> spConfiguration = new VolumeShaper::Configuration(configuration);
113 sp<VolumeShaper::Operation> spOperation = new VolumeShaper::Operation(operation);
114
115 if (mAudioTrack != 0) {
116 ALOGD("TrackPlayerBase::applyVolumeShaper() from IPlayer");
117 VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(spConfiguration, spOperation);
118 if (status < 0) { // a non-negative value is the volume shaper id.
119 ALOGE("TrackPlayerBase::applyVolumeShaper() failed with status %d", status);
120 }
121 return binder::Status::fromStatusT(status);
122 } else {
123 ALOGD("TrackPlayerBase::applyVolumeShaper()"
124 " no AudioTrack for volume control from IPlayer");
125 return binder::Status::ok();
126 }
127 }
128
129 } // namespace android
130