108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
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/*
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**
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** Copyright 2007, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "IAudioRecord"
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//#define LOG_NDEBUG 0
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#include <utils/Log.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <media/IAudioRecord.h>
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namespace android {
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enum {
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GET_CBLK = IBinder::FIRST_CALL_TRANSACTION,
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START,
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STOP
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};
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class BpAudioRecord : public BpInterface<IAudioRecord>
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{
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public:
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BpAudioRecord(const sp<IBinder>& impl)
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: BpInterface<IAudioRecord>(impl)
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{
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}
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virtual status_t start()
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
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status_t status = remote()->transact(START, data, &reply);
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if (status == NO_ERROR) {
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status = reply.readInt32();
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} else {
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LOGW("start() error: %s", strerror(-status));
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}
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return status;
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}
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virtual void stop()
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
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remote()->transact(STOP, data, &reply);
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}
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virtual sp<IMemory> getCblk() const
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{
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Parcel data, reply;
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sp<IMemory> cblk;
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data.writeInterfaceToken(IAudioRecord::getInterfaceDescriptor());
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status_t status = remote()->transact(GET_CBLK, data, &reply);
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if (status == NO_ERROR) {
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cblk = interface_cast<IMemory>(reply.readStrongBinder());
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}
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return cblk;
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}
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};
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IMPLEMENT_META_INTERFACE(AudioRecord, "android.media.IAudioRecord");
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// ----------------------------------------------------------------------
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status_t BnAudioRecord::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case GET_CBLK: {
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CHECK_INTERFACE(IAudioRecord, data, reply);
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reply->writeStrongBinder(getCblk()->asBinder());
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return NO_ERROR;
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} break;
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case START: {
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CHECK_INTERFACE(IAudioRecord, data, reply);
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reply->writeInt32(start());
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return NO_ERROR;
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} break;
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case STOP: {
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CHECK_INTERFACE(IAudioRecord, data, reply);
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stop();
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return NO_ERROR;
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} break;
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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}; // namespace android
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