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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "ICameraRecordingProxy"
#include <camera/CameraUtils.h>
#include <camera/ICameraRecordingProxy.h>
#include <camera/ICameraRecordingProxyListener.h>
#include <binder/IMemory.h>
#include <binder/Parcel.h>
#include <media/hardware/HardwareAPI.h>
#include <stdint.h>
#include <utils/Log.h>
namespace android {
enum {
START_RECORDING = IBinder::FIRST_CALL_TRANSACTION,
STOP_RECORDING,
RELEASE_RECORDING_FRAME,
RELEASE_RECORDING_FRAME_HANDLE,
RELEASE_RECORDING_FRAME_HANDLE_BATCH,
};
class BpCameraRecordingProxy: public BpInterface<ICameraRecordingProxy>
{
public:
explicit BpCameraRecordingProxy(const sp<IBinder>& impl)
: BpInterface<ICameraRecordingProxy>(impl)
{
}
status_t startRecording(const sp<ICameraRecordingProxyListener>& listener)
{
ALOGV("startRecording");
Parcel data, reply;
data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
data.writeStrongBinder(IInterface::asBinder(listener));
remote()->transact(START_RECORDING, data, &reply);
return reply.readInt32();
}
void stopRecording()
{
ALOGV("stopRecording");
Parcel data, reply;
data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
remote()->transact(STOP_RECORDING, data, &reply);
}
void releaseRecordingFrame(const sp<IMemory>& mem)
{
ALOGV("releaseRecordingFrame");
Parcel data, reply;
data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
data.writeStrongBinder(IInterface::asBinder(mem));
remote()->transact(RELEASE_RECORDING_FRAME, data, &reply);
}
void releaseRecordingFrameHandle(native_handle_t *handle) {
ALOGV("releaseRecordingFrameHandle");
Parcel data, reply;
data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
data.writeNativeHandle(handle);
remote()->transact(RELEASE_RECORDING_FRAME_HANDLE, data, &reply);
// Close the native handle because camera received a dup copy.
native_handle_close(handle);
native_handle_delete(handle);
}
void releaseRecordingFrameHandleBatch(const std::vector<native_handle_t*>& handles) {
ALOGV("releaseRecordingFrameHandleBatch");
Parcel data, reply;
data.writeInterfaceToken(ICameraRecordingProxy::getInterfaceDescriptor());
uint32_t n = handles.size();
data.writeUint32(n);
for (auto& handle : handles) {
data.writeNativeHandle(handle);
}
remote()->transact(RELEASE_RECORDING_FRAME_HANDLE_BATCH, data, &reply);
// Close the native handle because camera received a dup copy.
for (auto& handle : handles) {
native_handle_close(handle);
native_handle_delete(handle);
}
}
};
IMPLEMENT_META_INTERFACE(CameraRecordingProxy, "android.hardware.ICameraRecordingProxy");
// ----------------------------------------------------------------------
status_t BnCameraRecordingProxy::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case START_RECORDING: {
ALOGV("START_RECORDING");
CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
sp<ICameraRecordingProxyListener> listener =
interface_cast<ICameraRecordingProxyListener>(data.readStrongBinder());
reply->writeInt32(startRecording(listener));
return NO_ERROR;
} break;
case STOP_RECORDING: {
ALOGV("STOP_RECORDING");
CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
stopRecording();
return NO_ERROR;
} break;
case RELEASE_RECORDING_FRAME: {
ALOGV("RELEASE_RECORDING_FRAME");
CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
sp<IMemory> mem = interface_cast<IMemory>(data.readStrongBinder());
releaseRecordingFrame(mem);
return NO_ERROR;
} break;
case RELEASE_RECORDING_FRAME_HANDLE: {
ALOGV("RELEASE_RECORDING_FRAME_HANDLE");
CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
// releaseRecordingFrameHandle will be responsble to close the native handle.
releaseRecordingFrameHandle(data.readNativeHandle());
return NO_ERROR;
} break;
case RELEASE_RECORDING_FRAME_HANDLE_BATCH: {
ALOGV("RELEASE_RECORDING_FRAME_HANDLE_BATCH");
CHECK_INTERFACE(ICameraRecordingProxy, data, reply);
uint32_t n = 0;
status_t res = data.readUint32(&n);
if (res != OK) {
ALOGE("%s: Failed to read batch size: %s (%d)", __FUNCTION__, strerror(-res), res);
return BAD_VALUE;
}
std::vector<native_handle_t*> handles;
handles.reserve(n);
for (uint32_t i = 0; i < n; i++) {
native_handle_t* handle = data.readNativeHandle();
if (handle == nullptr) {
ALOGE("%s: Received a null native handle at handles[%d]",
__FUNCTION__, i);
return BAD_VALUE;
}
handles.push_back(handle);
}
// releaseRecordingFrameHandleBatch will be responsble to close the native handle.
releaseRecordingFrameHandleBatch(handles);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android