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Side by Side Diff: media/mojo/services/mojo_video_decoder_service.h

Issue 1899363002: Finish plumbing MojoVideoDecoder. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Windows needs some more headers, apaprently. Created 4 years, 6 months ago
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1 // Copyright 2016 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_MOJO_SERVICES_MOJO_VIDEO_DECODER_SERVICE_H_
6 #define MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_SERVICE_H_
7
8 #include <memory>
9
10 #include "base/macros.h"
11 #include "base/memory/weak_ptr.h"
12 #include "media/base/decode_status.h"
13 #include "media/mojo/interfaces/video_decoder.mojom.h"
14 #include "mojo/public/cpp/bindings/strong_binding.h"
15 #include "mojo/public/cpp/system/data_pipe.h"
16
17 namespace media {
18
19 class MojoMediaClient;
20 class VideoDecoder;
21 class VideoFrame;
22
23 // Implementation of a mojom::VideoDecoder which runs in the GPU process,
24 // and wraps a media::VideoDecoder.
25 class MojoVideoDecoderService : public mojom::VideoDecoder {
26 public:
27 MojoVideoDecoderService(mojo::InterfaceRequest<mojom::VideoDecoder> request,
28 MojoMediaClient* mojo_media_client);
29 ~MojoVideoDecoderService() final;
30
31 // mojom::VideoDecoder implementation
32 void Construct(mojom::VideoDecoderClientPtr client,
33 mojo::ScopedDataPipeConsumerHandle decoder_buffer_pipe) final;
34 void Initialize(mojom::VideoDecoderConfigPtr config,
35 bool low_delay,
36 const InitializeCallback& callback) final;
37 void Decode(mojom::DecoderBufferPtr buffer,
38 const DecodeCallback& callback) final;
39 void Reset(const ResetCallback& callback) final;
40
41 private:
42 void OnDecoderInitialized(const InitializeCallback& callback, bool success);
43 void OnDecoderDecoded(const DecodeCallback& callback, DecodeStatus status);
44 void OnDecoderOutput(const scoped_refptr<VideoFrame>& frame);
45 void OnDecoderReset(const ResetCallback& callback);
46
47 mojo::StrongBinding<mojom::VideoDecoder> binding_;
48 mojom::VideoDecoderClientPtr client_;
49 mojo::ScopedDataPipeConsumerHandle decoder_buffer_pipe_;
50
51 MojoMediaClient* mojo_media_client_;
52 std::unique_ptr<media::VideoDecoder> decoder_;
53
54 base::WeakPtr<MojoVideoDecoderService> weak_this_;
55 base::WeakPtrFactory<MojoVideoDecoderService> weak_factory_;
56
57 DISALLOW_COPY_AND_ASSIGN(MojoVideoDecoderService);
58 };
59
60 } // namespace media
61
62 #endif // MEDIA_MOJO_SERVICES_MOJO_VIDEO_DECODER_SERVICE_H_
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