1 /*
2 * Copyright (C) 2022 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 "chre/platform/platform_audio.h"
18
19 #include <cinttypes>
20
21 #include "chre/core/event_loop_manager.h"
22 #include "chre/platform/log.h"
23 #include "chre/platform/shared/pal_system_api.h"
24 #include "chre/util/macros.h"
25 #include "chre_api/chre/audio.h"
26
27 namespace chre {
28
29 const chrePalAudioCallbacks PlatformAudioBase::sCallbacks = {
30 .audioDataEventCallback = PlatformAudioBase::audioDataEventCallback,
31 .audioAvailabilityCallback = PlatformAudioBase::audioAvailabilityCallback,
32 };
33
PlatformAudio()34 PlatformAudio::PlatformAudio() {}
35
~PlatformAudio()36 PlatformAudio::~PlatformAudio() {
37 if (mApi != nullptr) {
38 LOGD("Platform audio closing");
39 prePalApiCall(PalType::AUDIO);
40 mApi->close();
41 LOGD("Platform audio closed");
42 }
43 }
44
init()45 void PlatformAudio::init() {
46 prePalApiCall(PalType::AUDIO);
47 mApi = chrePalAudioGetApi(CHRE_PAL_AUDIO_API_CURRENT_VERSION);
48 if (mApi != nullptr) {
49 if (!mApi->open(&gChrePalSystemApi, &sCallbacks)) {
50 LOGE("Audio PAL open returned false");
51 mApi = nullptr;
52 } else {
53 LOGD("Opened audio PAL version 0x%08" PRIx32, mApi->moduleVersion);
54 }
55 } else {
56 LOGW("Requested audio PAL (version 0x%08" PRIx32 ") not found",
57 CHRE_PAL_AUDIO_API_CURRENT_VERSION);
58 }
59 }
60
setHandleEnabled(uint32_t handle,bool enabled)61 void PlatformAudio::setHandleEnabled(uint32_t handle, bool enabled) {
62 UNUSED_VAR(handle);
63 UNUSED_VAR(enabled);
64 }
65
requestAudioDataEvent(uint32_t handle,uint32_t numSamples,Nanoseconds eventDelay)66 bool PlatformAudio::requestAudioDataEvent(uint32_t handle, uint32_t numSamples,
67 Nanoseconds eventDelay) {
68 if (mApi != nullptr) {
69 prePalApiCall(PalType::AUDIO);
70 return mApi->requestAudioDataEvent(handle, numSamples,
71 eventDelay.toRawNanoseconds());
72 }
73
74 return false;
75 }
76
cancelAudioDataEventRequest(uint32_t handle)77 void PlatformAudio::cancelAudioDataEventRequest(uint32_t handle) {
78 if (mApi != nullptr) {
79 prePalApiCall(PalType::AUDIO);
80 mApi->cancelAudioDataEvent(handle);
81 }
82 }
83
releaseAudioDataEvent(struct chreAudioDataEvent * event)84 void PlatformAudio::releaseAudioDataEvent(struct chreAudioDataEvent *event) {
85 if (mApi != nullptr) {
86 prePalApiCall(PalType::AUDIO);
87 mApi->releaseAudioDataEvent(event);
88 }
89 }
90
getSourceCount()91 size_t PlatformAudio::getSourceCount() {
92 if (mApi != nullptr) {
93 prePalApiCall(PalType::AUDIO);
94 return static_cast<size_t>(mApi->getSourceCount());
95 }
96
97 return 0;
98 }
99
getAudioSource(uint32_t handle,chreAudioSource * audioSource) const100 bool PlatformAudio::getAudioSource(uint32_t handle,
101 chreAudioSource *audioSource) const {
102 if (mApi != nullptr) {
103 prePalApiCall(PalType::AUDIO);
104 return mApi->getAudioSource(handle, audioSource);
105 }
106
107 return false;
108 }
109
audioDataEventCallback(struct chreAudioDataEvent * event)110 void PlatformAudioBase::audioDataEventCallback(
111 struct chreAudioDataEvent *event) {
112 EventLoopManagerSingleton::get()
113 ->getAudioRequestManager()
114 .handleAudioDataEvent(event);
115 }
116
audioAvailabilityCallback(uint32_t handle,bool available)117 void PlatformAudioBase::audioAvailabilityCallback(uint32_t handle,
118 bool available) {
119 EventLoopManagerSingleton::get()
120 ->getAudioRequestManager()
121 .handleAudioAvailability(handle, available);
122 }
123
124 } // namespace chre