| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef COMPONENTS_CHROMEOS_CAMERA_FAKE_MJPEG_DECODE_ACCELERATOR_H_ |
| #define COMPONENTS_CHROMEOS_CAMERA_FAKE_MJPEG_DECODE_ACCELERATOR_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread.h" |
| #include "components/chromeos_camera/mjpeg_decode_accelerator.h" |
| #include "media/base/bitstream_buffer.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace chromeos_camera { |
| |
| // Uses software-based decoding. The purpose of this class is to enable testing |
| // of communication to the MjpegDecodeAccelerator without requiring an actual |
| // hardware decoder. |
| class FakeMjpegDecodeAccelerator : public MjpegDecodeAccelerator { |
| public: |
| FakeMjpegDecodeAccelerator( |
| const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner); |
| ~FakeMjpegDecodeAccelerator() override; |
| |
| // MjpegDecodeAccelerator implementation. |
| bool Initialize(MjpegDecodeAccelerator::Client* client) override; |
| void Decode(media::BitstreamBuffer bitstream_buffer, |
| scoped_refptr<media::VideoFrame> video_frame) override; |
| void Decode(int32_t task_id, |
| base::ScopedFD src_dmabuf_fd, |
| size_t src_size, |
| off_t src_offset, |
| scoped_refptr<media::VideoFrame> dst_frame) override; |
| bool IsSupported() override; |
| |
| private: |
| void DecodeOnDecoderThread( |
| int32_t task_id, |
| scoped_refptr<media::VideoFrame> video_frame, |
| std::unique_ptr<media::UnalignedSharedMemory> src_shm); |
| void NotifyError(int32_t task_id, Error error); |
| void NotifyErrorOnClientThread(int32_t task_id, Error error); |
| void OnDecodeDoneOnClientThread(int32_t task_id); |
| |
| // Task runner for calls to |client_|. |
| const scoped_refptr<base::SingleThreadTaskRunner> client_task_runner_; |
| |
| // GPU IO task runner. |
| const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; |
| |
| Client* client_ = nullptr; |
| |
| base::Thread decoder_thread_; |
| scoped_refptr<base::SingleThreadTaskRunner> decoder_task_runner_; |
| |
| base::WeakPtrFactory<FakeMjpegDecodeAccelerator> weak_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(FakeMjpegDecodeAccelerator); |
| }; |
| |
| } // namespace chromeos_camera |
| |
| #endif // COMPONENTS_CHROMEOS_CAMERA_FAKE_MJPEG_DECODE_ACCELERATOR_H_ |