1 /*
2 * Copyright (C) 2016 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 #define LOG_TAG "EffectsFactoryHalHidl"
18 //#define LOG_NDEBUG 0
19
20 #include <cutils/native_handle.h>
21
22 #include "ConversionHelperHidl.h"
23 #include "EffectBufferHalHidl.h"
24 #include "EffectHalHidl.h"
25 #include "EffectsFactoryHalHidl.h"
26 #include "HidlUtils.h"
27
28 using ::android::hardware::audio::common::V2_0::HidlUtils;
29 using ::android::hardware::audio::common::V2_0::Uuid;
30 using ::android::hardware::audio::effect::V2_0::IEffect;
31 using ::android::hardware::audio::effect::V2_0::Result;
32 using ::android::hardware::Return;
33
34 namespace android {
35
EffectsFactoryHalHidl()36 EffectsFactoryHalHidl::EffectsFactoryHalHidl() : ConversionHelperHidl("EffectsFactory") {
37 mEffectsFactory = IEffectsFactory::getService();
38 if (mEffectsFactory == 0) {
39 ALOGE("Failed to obtain IEffectsFactory service, terminating process.");
40 exit(1);
41 }
42 }
43
~EffectsFactoryHalHidl()44 EffectsFactoryHalHidl::~EffectsFactoryHalHidl() {
45 }
46
queryAllDescriptors()47 status_t EffectsFactoryHalHidl::queryAllDescriptors() {
48 if (mEffectsFactory == 0) return NO_INIT;
49 Result retval = Result::NOT_INITIALIZED;
50 Return<void> ret = mEffectsFactory->getAllDescriptors(
51 [&](Result r, const hidl_vec<EffectDescriptor>& result) {
52 retval = r;
53 if (retval == Result::OK) {
54 mLastDescriptors = result;
55 }
56 });
57 if (ret.isOk()) {
58 return retval == Result::OK ? OK : NO_INIT;
59 }
60 mLastDescriptors.resize(0);
61 return processReturn(__FUNCTION__, ret);
62 }
63
queryNumberEffects(uint32_t * pNumEffects)64 status_t EffectsFactoryHalHidl::queryNumberEffects(uint32_t *pNumEffects) {
65 status_t queryResult = queryAllDescriptors();
66 if (queryResult == OK) {
67 *pNumEffects = mLastDescriptors.size();
68 }
69 return queryResult;
70 }
71
getDescriptor(uint32_t index,effect_descriptor_t * pDescriptor)72 status_t EffectsFactoryHalHidl::getDescriptor(
73 uint32_t index, effect_descriptor_t *pDescriptor) {
74 // TODO: We need somehow to track the changes on the server side
75 // or figure out how to convert everybody to query all the descriptors at once.
76 // TODO: check for nullptr
77 if (mLastDescriptors.size() == 0) {
78 status_t queryResult = queryAllDescriptors();
79 if (queryResult != OK) return queryResult;
80 }
81 if (index >= mLastDescriptors.size()) return NAME_NOT_FOUND;
82 EffectHalHidl::effectDescriptorToHal(mLastDescriptors[index], pDescriptor);
83 return OK;
84 }
85
getDescriptor(const effect_uuid_t * pEffectUuid,effect_descriptor_t * pDescriptor)86 status_t EffectsFactoryHalHidl::getDescriptor(
87 const effect_uuid_t *pEffectUuid, effect_descriptor_t *pDescriptor) {
88 // TODO: check for nullptr
89 if (mEffectsFactory == 0) return NO_INIT;
90 Uuid hidlUuid;
91 HidlUtils::uuidFromHal(*pEffectUuid, &hidlUuid);
92 Result retval = Result::NOT_INITIALIZED;
93 Return<void> ret = mEffectsFactory->getDescriptor(hidlUuid,
94 [&](Result r, const EffectDescriptor& result) {
95 retval = r;
96 if (retval == Result::OK) {
97 EffectHalHidl::effectDescriptorToHal(result, pDescriptor);
98 }
99 });
100 if (ret.isOk()) {
101 if (retval == Result::OK) return OK;
102 else if (retval == Result::INVALID_ARGUMENTS) return NAME_NOT_FOUND;
103 else return NO_INIT;
104 }
105 return processReturn(__FUNCTION__, ret);
106 }
107
createEffect(const effect_uuid_t * pEffectUuid,int32_t sessionId,int32_t ioId,sp<EffectHalInterface> * effect)108 status_t EffectsFactoryHalHidl::createEffect(
109 const effect_uuid_t *pEffectUuid, int32_t sessionId, int32_t ioId,
110 sp<EffectHalInterface> *effect) {
111 if (mEffectsFactory == 0) return NO_INIT;
112 Uuid hidlUuid;
113 HidlUtils::uuidFromHal(*pEffectUuid, &hidlUuid);
114 Result retval = Result::NOT_INITIALIZED;
115 Return<void> ret = mEffectsFactory->createEffect(
116 hidlUuid, sessionId, ioId,
117 [&](Result r, const sp<IEffect>& result, uint64_t effectId) {
118 retval = r;
119 if (retval == Result::OK) {
120 *effect = new EffectHalHidl(result, effectId);
121 }
122 });
123 if (ret.isOk()) {
124 if (retval == Result::OK) return OK;
125 else if (retval == Result::INVALID_ARGUMENTS) return NAME_NOT_FOUND;
126 else return NO_INIT;
127 }
128 return processReturn(__FUNCTION__, ret);
129 }
130
dumpEffects(int fd)131 status_t EffectsFactoryHalHidl::dumpEffects(int fd) {
132 if (mEffectsFactory == 0) return NO_INIT;
133 native_handle_t* hidlHandle = native_handle_create(1, 0);
134 hidlHandle->data[0] = fd;
135 Return<void> ret = mEffectsFactory->debugDump(hidlHandle);
136 native_handle_delete(hidlHandle);
137 return processReturn(__FUNCTION__, ret);
138 }
139
allocateBuffer(size_t size,sp<EffectBufferHalInterface> * buffer)140 status_t EffectsFactoryHalHidl::allocateBuffer(size_t size, sp<EffectBufferHalInterface>* buffer) {
141 return EffectBufferHalHidl::allocate(size, buffer);
142 }
143
mirrorBuffer(void * external,size_t size,sp<EffectBufferHalInterface> * buffer)144 status_t EffectsFactoryHalHidl::mirrorBuffer(void* external, size_t size,
145 sp<EffectBufferHalInterface>* buffer) {
146 return EffectBufferHalHidl::mirror(external, size, buffer);
147 }
148
149
150 } // namespace android
151