File: RemoteDecoderChild.h

package info (click to toggle)
firefox 148.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,719,656 kB
  • sloc: cpp: 7,618,171; javascript: 6,701,506; ansic: 3,781,787; python: 1,418,364; xml: 638,647; asm: 438,962; java: 186,285; sh: 62,885; makefile: 19,010; objc: 13,092; perl: 12,763; yacc: 4,583; cs: 3,846; pascal: 3,448; lex: 1,720; ruby: 1,003; php: 436; lisp: 258; awk: 247; sql: 66; sed: 54; csh: 10; exp: 6
file content (96 lines) | stat: -rw-r--r-- 3,592 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef include_dom_media_ipc_RemoteDecoderChild_h
#define include_dom_media_ipc_RemoteDecoderChild_h

#include "mozilla/EnumeratedArray.h"
#include "mozilla/PRemoteDecoderChild.h"
#include "mozilla/RemoteMediaManagerChild.h"
#include "mozilla/ShmemRecycleAllocator.h"

namespace mozilla {

class RemoteMediaManagerChild;
using mozilla::MediaDataDecoder;
using mozilla::ipc::IPCResult;

class RemoteDecoderChild : public ShmemRecycleAllocator<RemoteDecoderChild>,
                           public PRemoteDecoderChild {
  friend class PRemoteDecoderChild;

 public:
  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RemoteDecoderChild);

  explicit RemoteDecoderChild(RemoteMediaIn aLocation);

  void ActorDestroy(ActorDestroyReason aWhy) override;

  // This interface closely mirrors the MediaDataDecoder plus a bit
  // (DestroyIPDL) to allow proxying to a remote decoder in RemoteDecoderModule.
  RefPtr<MediaDataDecoder::InitPromise> Init();
  RefPtr<MediaDataDecoder::DecodePromise> Decode(
      const nsTArray<RefPtr<MediaRawData>>& aSamples);
  RefPtr<MediaDataDecoder::DecodePromise> Drain();
  RefPtr<MediaDataDecoder::FlushPromise> Flush();
  RefPtr<mozilla::ShutdownPromise> Shutdown();
  bool IsHardwareAccelerated(nsACString& aFailureReason) const;
  nsCString GetDescriptionName() const;
  nsCString GetProcessName() const;
  nsCString GetCodecName() const;
  void SetSeekThreshold(const media::TimeUnit& aTime);
  MediaDataDecoder::ConversionRequired NeedsConversion() const;
  bool ShouldDecoderAlwaysBeRecycled() const;
  using DecodeProperties =
      EnumeratedArray<MediaDataDecoder::PropertyName,
                      Maybe<MediaDataDecoder::PropertyValue>,
                      MediaDataDecoder::sPropertyNameCount>;
  const DecodeProperties& GetDecodeProperties() const {
    return mDecodeProperties;
  }

  void DestroyIPDL();

  // Called from IPDL when our actor has been destroyed
  void IPDLActorDestroyed();

  RemoteMediaManagerChild* GetManager();

 protected:
  virtual ~RemoteDecoderChild();
  void AssertOnManagerThread() const;

  virtual MediaResult ProcessOutput(DecodedOutputIPDL&& aDecodedData) = 0;
  virtual void RecordShutdownTelemetry(bool aForAbnormalShutdown) {}

  RefPtr<RemoteDecoderChild> mIPDLSelfRef;
  MediaDataDecoder::DecodedData mDecodedData;
  const RemoteMediaIn mLocation;

 private:
  const nsCOMPtr<nsISerialEventTarget> mThread;

  MozPromiseHolder<MediaDataDecoder::InitPromise> mInitPromise;
  MozPromiseRequestHolder<PRemoteDecoderChild::InitPromise> mInitPromiseRequest;
  MozPromiseHolder<MediaDataDecoder::DecodePromise> mDecodePromise;
  MozPromiseHolder<MediaDataDecoder::DecodePromise> mDrainPromise;
  MozPromiseHolder<MediaDataDecoder::FlushPromise> mFlushPromise;
  MozPromiseHolder<mozilla::ShutdownPromise> mShutdownPromise;

  nsCString mHardwareAcceleratedReason;
  nsCString mDescription;
  nsCString mProcessName;
  nsCString mCodecName;
  bool mIsHardwareAccelerated = false;
  bool mRemoteDecoderCrashed = false;
  MediaDataDecoder::ConversionRequired mConversion =
      MediaDataDecoder::ConversionRequired::kNeedNone;
  bool mShouldDecoderAlwaysBeRecycled = false;
  DecodeProperties mDecodeProperties;
};

}  // namespace mozilla

#endif  // include_dom_media_ipc_RemoteDecoderChild_h