| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_CAPTURE_VIDEO_CHROMEOS_REQUEST_BUILDER_H_ |
| #define MEDIA_CAPTURE_VIDEO_CHROMEOS_REQUEST_BUILDER_H_ |
| |
| #include <memory> |
| #include <set> |
| #include <vector> |
| |
| #include "base/memory/raw_ptr.h" |
| #include "media/capture/video/chromeos/camera_device_delegate.h" |
| #include "media/capture/video/chromeos/mojom/camera3.mojom.h" |
| #include "media/capture/video_capture_types.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| namespace media { |
| |
| class CameraDeviceContext; |
| |
| // BufferInfo is used to store information about the buffer that is needed when |
| // building buffers. |
| struct BufferInfo { |
| uint64_t ipc_id; |
| gfx::Size dimension; |
| gfx::GpuMemoryBufferHandle gpu_memory_buffer_handle; |
| uint32_t drm_format; |
| cros::mojom::HalPixelFormat hal_pixel_format; |
| uint64_t modifier; |
| }; |
| |
| // RequestBuilder is used to build capture request that will be sent to camera |
| // HAL process. |
| class CAPTURE_EXPORT RequestBuilder { |
| public: |
| using RequestBufferCallback = |
| base::RepeatingCallback<absl::optional<BufferInfo>(StreamType)>; |
| |
| RequestBuilder(CameraDeviceContext* device_context, |
| // Callback to request buffer from StreamBufferManager. Having |
| // this callback, we do not need to include StreamBufferManager |
| // when requesting buffer. |
| RequestBufferCallback request_buffer_callback, |
| bool use_buffer_management_apis); |
| ~RequestBuilder(); |
| |
| // Builds a capture request by given streams and settings. |
| cros::mojom::Camera3CaptureRequestPtr BuildRequest( |
| std::set<StreamType> stream_types, |
| cros::mojom::CameraMetadataPtr settings); |
| |
| // Used to create Camera3StreamBuffer for Camera3CaptureRequest or |
| // Camera3StreamBufferRet. |
| cros::mojom::Camera3StreamBufferPtr CreateStreamBuffer( |
| StreamType stream_type, |
| absl::optional<BufferInfo> buffer_info); |
| |
| private: |
| cros::mojom::CameraBufferHandlePtr CreateCameraBufferHandle( |
| StreamType stream_type, |
| BufferInfo buffer_info); |
| |
| raw_ptr<CameraDeviceContext> device_context_; |
| |
| // The frame number. Increased by one for each capture request sent. |
| uint32_t frame_number_; |
| |
| RequestBufferCallback request_buffer_callback_; |
| |
| // Set true if the buffer management APIs are enabled. If true, capture |
| // requests do not contain buffer handles. |
| bool use_buffer_management_apis_; |
| }; |
| } // namespace media |
| |
| #endif // MEDIA_CAPTURE_VIDEO_CHROMEOS_REQUEST_BUILDER_H_ |