[{"id":21499,"web_url":"https://patchwork.libcamera.org/comment/21499/","msgid":"","date":"2021-12-01T10:23:55","subject":"Re: [libcamera-devel] [PATCH v5 02/12] android: Consolidate mutex\n\tclasses to Mutex and MutexLocker","submitter":{"id":86,"url":"https://patchwork.libcamera.org/api/people/86/","name":"Umang Jain","email":"umang.jain@ideasonboard.com"},"content":"Hi Hiro,\n\nOn 12/1/21 1:23 PM, Hirokazu Honda wrote:\n> std::mutex and std::unique_lcok are used in android directories,\n\n\ns/lcok/lock/\n\n> mixing Mutex and MutexLocker. This consolidates them to Mutex\n> and MutexLocker.\n>\n> Signed-off-by: Hirokazu Honda \n> Reviewed-by: Laurent Pinchart \n\n\nReviewed-by: Umang Jain \n\n> ---\n> src/android/camera_device.h | 1 -\n> src/android/camera_hal_manager.h | 7 ++-----\n> src/android/camera_request.h | 4 ++--\n> src/android/camera_stream.cpp | 12 ++++++------\n> src/android/camera_stream.h | 3 +--\n> 5 files changed, 11 insertions(+), 16 deletions(-)\n>\n> diff --git a/src/android/camera_device.h b/src/android/camera_device.h\n> index 51fe7da2..bda0b376 100644\n> --- a/src/android/camera_device.h\n> +++ b/src/android/camera_device.h\n> @@ -9,7 +9,6 @@\n> \n> #include \n> #include \n> -#include \n> #include \n> #include \n> \n> diff --git a/src/android/camera_hal_manager.h b/src/android/camera_hal_manager.h\n> index 192f2fc5..cc310f90 100644\n> --- a/src/android/camera_hal_manager.h\n> +++ b/src/android/camera_hal_manager.h\n> @@ -8,7 +8,6 @@\n> #pragma once\n> \n> #include \n> -#include \n> #include \n> #include \n> #include \n> @@ -18,6 +17,7 @@\n> #include \n> \n> #include \n> +#include \n> \n> #include \n> \n> @@ -44,9 +44,6 @@ public:\n> private:\n> \tLIBCAMERA_DISABLE_COPY_AND_MOVE(CameraHalManager)\n> \n> -\tusing Mutex = std::mutex;\n> -\tusing MutexLocker = std::unique_lock;\n> -\n> \tstatic constexpr unsigned int firstExternalCameraId_ = 1000;\n> \n> \tCameraHalManager();\n> @@ -64,7 +61,7 @@ private:\n> \tconst camera_module_callbacks_t *callbacks_;\n> \tstd::vector> cameras_;\n> \tstd::map cameraIdsMap_;\n> -\tMutex mutex_;\n> +\tlibcamera::Mutex mutex_;\n> \n> \tunsigned int numInternalCameras_;\n> \tunsigned int nextExternalCameraId_;\n> diff --git a/src/android/camera_request.h b/src/android/camera_request.h\n> index f3cb6d64..88d501a8 100644\n> --- a/src/android/camera_request.h\n> +++ b/src/android/camera_request.h\n> @@ -9,10 +9,10 @@\n> \n> #include \n> #include \n> -#include \n> #include \n> \n> #include \n> +#include \n> \n> #include \n> #include \n> @@ -58,7 +58,7 @@ public:\n> \n> \t/* Keeps track of streams requiring post-processing. */\n> \tstd::map pendingStreamsToProcess_;\n> -\tstd::mutex streamsProcessMutex_;\n> +\tlibcamera::Mutex streamsProcessMutex_;\n> \n> \tCamera3RequestDescriptor(libcamera::Camera *camera,\n> \t\t\t\t const camera3_capture_request_t *camera3Request);\n> diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp\n> index 9023c13c..5a62b7cd 100644\n> --- a/src/android/camera_stream.cpp\n> +++ b/src/android/camera_stream.cpp\n> @@ -119,7 +119,7 @@ int CameraStream::configure()\n> \n> \tif (type_ == Type::Internal) {\n> \t\tallocator_ = std::make_unique(cameraDevice_->camera());\n> -\t\tmutex_ = std::make_unique();\n> +\t\tmutex_ = std::make_unique();\n> \n> \t\tint ret = allocator_->allocate(stream());\n> \t\tif (ret < 0)\n> @@ -208,7 +208,7 @@ FrameBuffer *CameraStream::getBuffer()\n> \tif (!allocator_)\n> \t\treturn nullptr;\n> \n> -\tstd::lock_guard locker(*mutex_);\n> +\tMutexLocker locker(*mutex_);\n> \n> \tif (buffers_.empty()) {\n> \t\tLOG(HAL, Error) << \"Buffer underrun\";\n> @@ -226,7 +226,7 @@ void CameraStream::putBuffer(FrameBuffer *buffer)\n> \tif (!allocator_)\n> \t\treturn;\n> \n> -\tstd::lock_guard locker(*mutex_);\n> +\tMutexLocker locker(*mutex_);\n> \n> \tbuffers_.push_back(buffer);\n> }\n> @@ -239,7 +239,7 @@ CameraStream::PostProcessorWorker::PostProcessorWorker(PostProcessor *postProces\n> CameraStream::PostProcessorWorker::~PostProcessorWorker()\n> {\n> \t{\n> -\t\tlibcamera::MutexLocker lock(mutex_);\n> +\t\tMutexLocker lock(mutex_);\n> \t\tstate_ = State::Stopped;\n> \t}\n> \n> @@ -250,7 +250,7 @@ CameraStream::PostProcessorWorker::~PostProcessorWorker()\n> void CameraStream::PostProcessorWorker::start()\n> {\n> \t{\n> -\t\tlibcamera::MutexLocker lock(mutex_);\n> +\t\tMutexLocker lock(mutex_);\n> \t\tASSERT(state_ != State::Running);\n> \t\tstate_ = State::Running;\n> \t}\n> @@ -308,7 +308,7 @@ void CameraStream::PostProcessorWorker::run()\n> \n> void CameraStream::PostProcessorWorker::flush()\n> {\n> -\tlibcamera::MutexLocker lock(mutex_);\n> +\tMutexLocker lock(mutex_);\n> \tstate_ = State::Flushing;\n> \tlock.unlock();\n> \n> diff --git a/src/android/camera_stream.h b/src/android/camera_stream.h\n> index e4808369..adb5a37d 100644\n> --- a/src/android/camera_stream.h\n> +++ b/src/android/camera_stream.h\n> @@ -8,7 +8,6 @@\n> #pragma once\n> \n> #include \n> -#include \n> #include \n> #include \n> \n> @@ -173,7 +172,7 @@ private:\n> \t * The class has to be MoveConstructible as instances are stored in\n> \t * an std::vector in CameraDevice.\n> \t */\n> -\tstd::unique_ptr mutex_;\n> +\tstd::unique_ptr mutex_;\n> \tstd::unique_ptr postProcessor_;\n> \n> \tstd::unique_ptr worker_;","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby 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