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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ | 5 #ifndef MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ |
6 #define MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ | 6 #define MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "media/base/decryptor.h" | 10 #include "media/base/decryptor.h" |
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48 | 48 |
49 private: | 49 private: |
50 // For a detailed state diagram please see this link: http://goo.gl/8jAok | 50 // For a detailed state diagram please see this link: http://goo.gl/8jAok |
51 // TODO(xhwang): Add a ASCII state diagram in this file after this class | 51 // TODO(xhwang): Add a ASCII state diagram in this file after this class |
52 // stabilizes. | 52 // stabilizes. |
53 enum State { | 53 enum State { |
54 kUninitialized = 0, | 54 kUninitialized = 0, |
55 kDecryptorRequested, | 55 kDecryptorRequested, |
56 kPendingDecoderInit, | 56 kPendingDecoderInit, |
57 kIdle, | 57 kIdle, |
| 58 kPendingConfigChange, |
58 kPendingDemuxerRead, | 59 kPendingDemuxerRead, |
59 kPendingDecode, | 60 kPendingDecode, |
60 kWaitingForKey, | 61 kWaitingForKey, |
61 kDecodeFinished, | 62 kDecodeFinished, |
62 kStopped | 63 kStopped |
63 }; | 64 }; |
64 | 65 |
65 // Callback for DecryptorHost::RequestDecryptor(). | 66 // Callback for DecryptorHost::RequestDecryptor(). |
66 void SetDecryptor(Decryptor* decryptor); | 67 void SetDecryptor(Decryptor* decryptor); |
67 | 68 |
68 // Callback for Decryptor::InitializeVideoDecoder(). | 69 // Callback for Decryptor::InitializeVideoDecoder() during initialization. |
69 void FinishInitialization(bool success); | 70 void FinishInitialization(bool success); |
70 | 71 |
| 72 // Callback for Decryptor::InitializeVideoDecoder() during config change. |
| 73 void FinishConfigChange(bool success); |
| 74 |
71 void ReadFromDemuxerStream(); | 75 void ReadFromDemuxerStream(); |
72 | 76 |
73 // Callback for DemuxerStream::Read(). | 77 // Callback for DemuxerStream::Read(). |
74 void DecryptAndDecodeBuffer(DemuxerStream::Status status, | 78 void DecryptAndDecodeBuffer(DemuxerStream::Status status, |
75 const scoped_refptr<DecoderBuffer>& buffer); | 79 const scoped_refptr<DecoderBuffer>& buffer); |
76 | 80 |
77 void DecodePendingBuffer(); | 81 void DecodePendingBuffer(); |
78 | 82 |
79 // Callback for Decryptor::DecryptAndDecodeVideo(). | 83 // Callback for Decryptor::DecryptAndDecodeVideo(). |
80 void DeliverFrame(int buffer_size, | 84 void DeliverFrame(int buffer_size, |
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121 // A unique ID to trace Decryptor::DecryptAndDecodeVideo() call and the | 125 // A unique ID to trace Decryptor::DecryptAndDecodeVideo() call and the |
122 // matching DecryptCB call (in DoDeliverFrame()). | 126 // matching DecryptCB call (in DoDeliverFrame()). |
123 uint32 trace_id_; | 127 uint32 trace_id_; |
124 | 128 |
125 DISALLOW_COPY_AND_ASSIGN(DecryptingVideoDecoder); | 129 DISALLOW_COPY_AND_ASSIGN(DecryptingVideoDecoder); |
126 }; | 130 }; |
127 | 131 |
128 } // namespace media | 132 } // namespace media |
129 | 133 |
130 #endif // MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ | 134 #endif // MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_ |
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