1 /*
2 * Copyright (C) 2009 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 "IAudioFlingerClient"
18 #include <utils/Log.h>
19
20 #include <stdint.h>
21 #include <sys/types.h>
22
23 #include <binder/Parcel.h>
24
25 #include <media/IAudioFlingerClient.h>
26 #include <media/AudioSystem.h>
27
28 namespace android {
29
30 enum {
31 IO_CONFIG_CHANGED = IBinder::FIRST_CALL_TRANSACTION
32 };
33
34 class BpAudioFlingerClient : public BpInterface<IAudioFlingerClient>
35 {
36 public:
BpAudioFlingerClient(const sp<IBinder> & impl)37 explicit BpAudioFlingerClient(const sp<IBinder>& impl)
38 : BpInterface<IAudioFlingerClient>(impl)
39 {
40 }
41
ioConfigChanged(audio_io_config_event event,const sp<AudioIoDescriptor> & ioDesc)42 void ioConfigChanged(audio_io_config_event event, const sp<AudioIoDescriptor>& ioDesc)
43 {
44 Parcel data, reply;
45 data.writeInterfaceToken(IAudioFlingerClient::getInterfaceDescriptor());
46 data.writeInt32(event);
47 data.writeInt32((int32_t)ioDesc->mIoHandle);
48 data.write(&ioDesc->mPatch, sizeof(struct audio_patch));
49 data.writeInt32(ioDesc->mSamplingRate);
50 data.writeInt32(ioDesc->mFormat);
51 data.writeInt32(ioDesc->mChannelMask);
52 data.writeInt64(ioDesc->mFrameCount);
53 data.writeInt64(ioDesc->mFrameCountHAL);
54 data.writeInt32(ioDesc->mLatency);
55 remote()->transact(IO_CONFIG_CHANGED, data, &reply, IBinder::FLAG_ONEWAY);
56 }
57 };
58
59 IMPLEMENT_META_INTERFACE(AudioFlingerClient, "android.media.IAudioFlingerClient");
60
61 // ----------------------------------------------------------------------
62
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)63 status_t BnAudioFlingerClient::onTransact(
64 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
65 {
66 switch (code) {
67 case IO_CONFIG_CHANGED: {
68 CHECK_INTERFACE(IAudioFlingerClient, data, reply);
69 audio_io_config_event event = (audio_io_config_event)data.readInt32();
70 sp<AudioIoDescriptor> ioDesc = new AudioIoDescriptor();
71 ioDesc->mIoHandle = (audio_io_handle_t) data.readInt32();
72 data.read(&ioDesc->mPatch, sizeof(struct audio_patch));
73 ioDesc->mSamplingRate = data.readInt32();
74 ioDesc->mFormat = (audio_format_t) data.readInt32();
75 ioDesc->mChannelMask = (audio_channel_mask_t) data.readInt32();
76 ioDesc->mFrameCount = data.readInt64();
77 ioDesc->mFrameCountHAL = data.readInt64();
78 ioDesc->mLatency = data.readInt32();
79 ioConfigChanged(event, ioDesc);
80 return NO_ERROR;
81 } break;
82 default:
83 return BBinder::onTransact(code, data, reply, flags);
84 }
85 }
86
87 // ----------------------------------------------------------------------------
88
89 } // namespace android
90