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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_ | |
6 #define MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <memory> | |
11 | |
12 #include "base/macros.h" | |
13 #include "base/memory/weak_ptr.h" | |
14 #include "base/threading/thread.h" | |
15 #include "media/base/bitstream_buffer.h" | |
16 #include "media/gpu/media_gpu_export.h" | |
17 #include "media/video/jpeg_decode_accelerator.h" | |
18 | |
19 namespace base { | |
20 class SingleThreadTaskRunner; | |
21 } | |
22 | |
23 namespace media { | |
24 | |
25 class SharedMemoryRegion; | |
26 | |
27 // Uses software-based decoding. The purpose of this class is to enable testing | |
28 // of communication to the JpegDecodeAccelerator without requiring an actual | |
29 // hardware decoder. | |
30 class MEDIA_GPU_EXPORT FakeJpegDecodeAccelerator | |
31 : public JpegDecodeAccelerator { | |
32 public: | |
33 FakeJpegDecodeAccelerator( | |
34 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner); | |
35 ~FakeJpegDecodeAccelerator() override; | |
36 | |
37 // JpegDecodeAccelerator implementation. | |
38 bool Initialize(JpegDecodeAccelerator::Client* client) override; | |
39 void Decode(const BitstreamBuffer& bitstream_buffer, | |
40 const scoped_refptr<VideoFrame>& video_frame) override; | |
41 bool IsSupported() override; | |
42 | |
43 private: | |
44 void DecodeOnDecoderThread(const BitstreamBuffer& bitstream_buffer, | |
45 const scoped_refptr<VideoFrame>& video_frame, | |
46 std::unique_ptr<SharedMemoryRegion> src_shm); | |
47 void NotifyError(int32_t bitstream_buffer_id, Error error); | |
48 void NotifyErrorOnClientThread(int32_t bitstream_buffer_id, Error error); | |
49 void OnDecodeDoneOnClientThread(int32_t input_buffer_id); | |
50 | |
51 // Task runner for calls to |client_|. | |
52 const scoped_refptr<base::SingleThreadTaskRunner> client_task_runner_; | |
53 | |
54 // GPU IO task runner. | |
55 const scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_; | |
56 | |
57 Client* client_ = nullptr; | |
58 | |
59 base::Thread decoder_thread_; | |
60 scoped_refptr<base::SingleThreadTaskRunner> decoder_task_runner_; | |
61 | |
62 base::WeakPtrFactory<FakeJpegDecodeAccelerator> weak_factory_; | |
63 | |
64 DISALLOW_COPY_AND_ASSIGN(FakeJpegDecodeAccelerator); | |
65 }; | |
66 | |
67 } // namespace media | |
68 | |
69 #endif // MEDIA_GPU_FAKE_JPEG_DECODE_ACCELERATOR_H_ | |
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