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 //--------------------------------------------------------------------------------------------------
TrackPlayerBase()22 TrackPlayerBase::TrackPlayerBase() : PlayerBase(),
23 mPlayerVolumeL(1.0f), mPlayerVolumeR(1.0f)
24 {
25 ALOGD("TrackPlayerBase::TrackPlayerBase()");
26 }
27
28
~TrackPlayerBase()29 TrackPlayerBase::~TrackPlayerBase() {
30 ALOGD("TrackPlayerBase::~TrackPlayerBase()");
31 doDestroy();
32 }
33
init(AudioTrack * pat,player_type_t playerType,audio_usage_t usage)34 void TrackPlayerBase::init(AudioTrack* pat, player_type_t playerType, audio_usage_t usage) {
35 PlayerBase::init(playerType, usage);
36 mAudioTrack = pat;
37 }
38
destroy()39 void TrackPlayerBase::destroy() {
40 doDestroy();
41 baseDestroy();
42 }
43
doDestroy()44 void TrackPlayerBase::doDestroy() {
45 if (mAudioTrack != 0) {
46 mAudioTrack->stop();
47 // Note that there may still be another reference in post-unlock phase of SetPlayState
48 mAudioTrack.clear();
49 }
50 }
51
setPlayerVolume(float vl,float vr)52 void TrackPlayerBase::setPlayerVolume(float vl, float vr) {
53 {
54 Mutex::Autolock _l(mSettingsLock);
55 mPlayerVolumeL = vl;
56 mPlayerVolumeR = vr;
57 }
58 doSetVolume();
59 }
60
61 //------------------------------------------------------------------------------
62 // Implementation of IPlayer
playerStart()63 status_t TrackPlayerBase::playerStart() {
64 status_t status = NO_INIT;
65 if (mAudioTrack != 0) {
66 status = mAudioTrack->start();
67 }
68 return status;
69 }
70
playerPause()71 status_t TrackPlayerBase::playerPause() {
72 status_t status = NO_INIT;
73 if (mAudioTrack != 0) {
74 mAudioTrack->pause();
75 status = NO_ERROR;
76 }
77 return status;
78 }
79
80
playerStop()81 status_t TrackPlayerBase::playerStop() {
82 status_t status = NO_INIT;
83 if (mAudioTrack != 0) {
84 mAudioTrack->stop();
85 status = NO_ERROR;
86 }
87 return status;
88 }
89
playerSetVolume()90 status_t TrackPlayerBase::playerSetVolume() {
91 return doSetVolume();
92 }
93
doSetVolume()94 status_t TrackPlayerBase::doSetVolume() {
95 status_t status = NO_INIT;
96 if (mAudioTrack != 0) {
97 float tl = mPlayerVolumeL * mPanMultiplierL * mVolumeMultiplierL;
98 float tr = mPlayerVolumeR * mPanMultiplierR * mVolumeMultiplierR;
99 mAudioTrack->setVolume(tl, tr);
100 status = NO_ERROR;
101 }
102 return status;
103 }
104
105
applyVolumeShaper(const sp<VolumeShaper::Configuration> & configuration,const sp<VolumeShaper::Operation> & operation)106 void TrackPlayerBase::applyVolumeShaper(
107 const sp<VolumeShaper::Configuration>& configuration,
108 const sp<VolumeShaper::Operation>& operation) {
109 if (mAudioTrack != 0) {
110 ALOGD("TrackPlayerBase::applyVolumeShaper() from IPlayer");
111 VolumeShaper::Status status = mAudioTrack->applyVolumeShaper(configuration, operation);
112 if (status < 0) { // a non-negative value is the volume shaper id.
113 ALOGE("TrackPlayerBase::applyVolumeShaper() failed with status %d", status);
114 }
115 } else {
116 ALOGD("TrackPlayerBase::applyVolumeShaper()"
117 " no AudioTrack for volume control from IPlayer");
118 }
119 }
120
121 } // namespace android
122