From 53eab996809e826bc914e4c34c78fe74d86f8dc4 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Sun, 27 Oct 2019 02:01:08 +0100 Subject: android: Replace ThreadRPC with blocking method call MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use the newly introduced InvocationTypeBlocking message type to replace the blocking message delivery implemented with the ThreadRPC class in the Android camera HAL. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart Reviewed-by: Niklas Söderlund --- src/android/camera_device.cpp | 34 ++++++---------------------------- src/android/camera_device.h | 5 +---- src/android/camera_proxy.cpp | 21 ++++----------------- src/android/camera_proxy.h | 3 --- src/android/meson.build | 1 - src/android/thread_rpc.cpp | 26 -------------------------- src/android/thread_rpc.h | 39 --------------------------------------- 7 files changed, 11 insertions(+), 118 deletions(-) delete mode 100644 src/android/thread_rpc.cpp delete mode 100644 src/android/thread_rpc.h (limited to 'src') diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp index c7c9b3fd..897f5458 100644 --- a/src/android/camera_device.cpp +++ b/src/android/camera_device.cpp @@ -11,7 +11,6 @@ #include "utils.h" #include "camera_metadata.h" -#include "thread_rpc.h" using namespace libcamera; @@ -64,25 +63,6 @@ CameraDevice::~CameraDevice() delete it.second; } -/* - * Handle RPC request received from the associated proxy. - */ -void CameraDevice::call(ThreadRpc *rpc) -{ - switch (rpc->tag) { - case ThreadRpc::ProcessCaptureRequest: - processCaptureRequest(rpc->request); - break; - case ThreadRpc::Close: - close(); - break; - default: - LOG(HAL, Error) << "Unknown RPC operation: " << rpc->tag; - } - - rpc->notifyReception(); -} - int CameraDevice::open() { int ret = camera_->acquire(); @@ -698,7 +678,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list) return 0; } -int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Request) +void CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Request) { StreamConfiguration *streamConfiguration = &config_->at(0); Stream *stream = streamConfiguration->stream(); @@ -706,7 +686,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques if (camera3Request->num_output_buffers != 1) { LOG(HAL, Error) << "Invalid number of output buffers: " << camera3Request->num_output_buffers; - return -EINVAL; + return; } /* Start the camera if that's the first request we handle. */ @@ -714,14 +694,14 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques int ret = camera_->allocateBuffers(); if (ret) { LOG(HAL, Error) << "Failed to allocate buffers"; - return ret; + return; } ret = camera_->start(); if (ret) { LOG(HAL, Error) << "Failed to start camera"; camera_->freeBuffers(); - return ret; + return; } running_ = true; @@ -769,7 +749,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques if (!buffer) { LOG(HAL, Error) << "Failed to create buffer"; delete descriptor; - return -EINVAL; + return; } Request *request = @@ -782,13 +762,11 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques goto error; } - return 0; + return; error: delete request; delete descriptor; - - return ret; } void CameraDevice::requestComplete(Request *request, diff --git a/src/android/camera_device.h b/src/android/camera_device.h index d5d136a7..2105b5b9 100644 --- a/src/android/camera_device.h +++ b/src/android/camera_device.h @@ -20,7 +20,6 @@ #include "message.h" class CameraMetadata; -class ThreadRpc; class CameraDevice : public libcamera::Object { @@ -28,15 +27,13 @@ public: CameraDevice(unsigned int id, const std::shared_ptr &camera); ~CameraDevice(); - void call(ThreadRpc *rpc); - int open(); void close(); void setCallbacks(const camera3_callback_ops_t *callbacks); camera_metadata_t *getStaticMetadata(); const camera_metadata_t *constructDefaultRequestSettings(int type); int configureStreams(camera3_stream_configuration_t *stream_list); - int processCaptureRequest(camera3_capture_request_t *request); + void processCaptureRequest(camera3_capture_request_t *request); void requestComplete(libcamera::Request *request, const std::map &buffers); diff --git a/src/android/camera_proxy.cpp b/src/android/camera_proxy.cpp index 43e1e1c3..3964b566 100644 --- a/src/android/camera_proxy.cpp +++ b/src/android/camera_proxy.cpp @@ -16,7 +16,6 @@ #include "utils.h" #include "camera_device.h" -#include "thread_rpc.h" using namespace libcamera; @@ -148,10 +147,8 @@ int CameraProxy::open(const hw_module_t *hardwareModule) void CameraProxy::close() { - ThreadRpc rpcRequest; - rpcRequest.tag = ThreadRpc::Close; - - threadRpcCall(rpcRequest); + cameraDevice_->invokeMethod(&CameraDevice::close, + ConnectionTypeBlocking); } void CameraProxy::initialize(const camera3_callback_ops_t *callbacks) @@ -176,18 +173,8 @@ int CameraProxy::configureStreams(camera3_stream_configuration_t *stream_list) int CameraProxy::processCaptureRequest(camera3_capture_request_t *request) { - ThreadRpc rpcRequest; - rpcRequest.tag = ThreadRpc::ProcessCaptureRequest; - rpcRequest.request = request; - - threadRpcCall(rpcRequest); + cameraDevice_->invokeMethod(&CameraDevice::processCaptureRequest, + ConnectionTypeBlocking, request); return 0; } - -void CameraProxy::threadRpcCall(ThreadRpc &rpcRequest) -{ - cameraDevice_->invokeMethod(&CameraDevice::call, ConnectionTypeQueued, - &rpcRequest); - rpcRequest.waitDelivery(); -} diff --git a/src/android/camera_proxy.h b/src/android/camera_proxy.h index 7940eac4..e8cfbc9d 100644 --- a/src/android/camera_proxy.h +++ b/src/android/camera_proxy.h @@ -14,7 +14,6 @@ #include class CameraDevice; -class ThreadRpc; class CameraProxy { @@ -35,8 +34,6 @@ public: camera3_device_t *camera3Device() { return &camera3Device_; } private: - void threadRpcCall(ThreadRpc &rpcRequest); - unsigned int id_; CameraDevice *cameraDevice_; camera3_device_t camera3Device_; diff --git a/src/android/meson.build b/src/android/meson.build index b5e4eeeb..70dfcc1d 100644 --- a/src/android/meson.build +++ b/src/android/meson.build @@ -4,7 +4,6 @@ android_hal_sources = files([ 'camera_device.cpp', 'camera_metadata.cpp', 'camera_proxy.cpp', - 'thread_rpc.cpp' ]) android_camera_metadata_sources = files([ diff --git a/src/android/thread_rpc.cpp b/src/android/thread_rpc.cpp deleted file mode 100644 index f57891ff..00000000 --- a/src/android/thread_rpc.cpp +++ /dev/null @@ -1,26 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2019, Google Inc. - * - * thread_rpc.cpp - Inter-thread procedure call - */ - -#include "thread.h" -#include "thread_rpc.h" - -using namespace libcamera; - -void ThreadRpc::notifyReception() -{ - { - libcamera::MutexLocker locker(mutex_); - delivered_ = true; - } - cv_.notify_one(); -} - -void ThreadRpc::waitDelivery() -{ - libcamera::MutexLocker locker(mutex_); - cv_.wait(locker, [&] { return delivered_; }); -} diff --git a/src/android/thread_rpc.h b/src/android/thread_rpc.h deleted file mode 100644 index f577a5d9..00000000 --- a/src/android/thread_rpc.h +++ /dev/null @@ -1,39 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2019, Google Inc. - * - * thread_rpc.h - Inter-thread procedure call - */ -#ifndef __ANDROID_THREAD_RPC_H__ -#define __ANDROID_THREAD_RPC_H__ - -#include -#include - -#include - -class ThreadRpc -{ -public: - enum RpcTag { - ProcessCaptureRequest, - Close, - }; - - ThreadRpc() - : delivered_(false) {} - - void notifyReception(); - void waitDelivery(); - - RpcTag tag; - - camera3_capture_request_t *request; - -private: - bool delivered_; - std::mutex mutex_; - std::condition_variable cv_; -}; - -#endif /* __ANDROID_THREAD_RPC_H__ */ -- cgit v1.2.1