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Side by Side Diff: media/filters/decoder_selector.h

Issue 331863004: Revert 276344 "Add callback in VideoDecoder and AudioDecoder to ..." (Closed) Base URL: svn://svn.chromium.org/chrome/branches/2049/src/
Patch Set: Created 6 years, 6 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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_DECODER_SELECTOR_H_ 5 #ifndef MEDIA_FILTERS_DECODER_SELECTOR_H_
6 #define MEDIA_FILTERS_DECODER_SELECTOR_H_ 6 #define MEDIA_FILTERS_DECODER_SELECTOR_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 "base/memory/scoped_vector.h" 10 #include "base/memory/scoped_vector.h"
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
57 const scoped_refptr<base::SingleThreadTaskRunner>& message_loop, 57 const scoped_refptr<base::SingleThreadTaskRunner>& message_loop,
58 ScopedVector<Decoder> decoders, 58 ScopedVector<Decoder> decoders,
59 const SetDecryptorReadyCB& set_decryptor_ready_cb); 59 const SetDecryptorReadyCB& set_decryptor_ready_cb);
60 ~DecoderSelector(); 60 ~DecoderSelector();
61 61
62 // Initializes and selects a Decoder that can decode the |stream|. 62 // Initializes and selects a Decoder that can decode the |stream|.
63 // Selected Decoder (and DecryptingDemuxerStream) is returned via 63 // Selected Decoder (and DecryptingDemuxerStream) is returned via
64 // the |select_decoder_cb|. 64 // the |select_decoder_cb|.
65 void SelectDecoder(DemuxerStream* stream, 65 void SelectDecoder(DemuxerStream* stream,
66 bool low_delay, 66 bool low_delay,
67 const SelectDecoderCB& select_decoder_cb, 67 const SelectDecoderCB& select_decoder_cb);
68 const typename Decoder::OutputCB& output_cb);
69 68
70 // Aborts pending Decoder selection and fires |select_decoder_cb| with 69 // Aborts pending Decoder selection and fires |select_decoder_cb| with
71 // NULL and NULL immediately if it's pending. 70 // NULL and NULL immediately if it's pending.
72 void Abort(); 71 void Abort();
73 72
74 private: 73 private:
75 void DecryptingDecoderInitDone(PipelineStatus status); 74 void DecryptingDecoderInitDone(PipelineStatus status);
76 void DecryptingDemuxerStreamInitDone(PipelineStatus status); 75 void DecryptingDemuxerStreamInitDone(PipelineStatus status);
77 void InitializeDecoder(); 76 void InitializeDecoder();
78 void DecoderInitDone(PipelineStatus status); 77 void DecoderInitDone(PipelineStatus status);
79 void ReturnNullDecoder(); 78 void ReturnNullDecoder();
80 79
81 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; 80 scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
82 ScopedVector<Decoder> decoders_; 81 ScopedVector<Decoder> decoders_;
83 SetDecryptorReadyCB set_decryptor_ready_cb_; 82 SetDecryptorReadyCB set_decryptor_ready_cb_;
84 83
85 DemuxerStream* input_stream_; 84 DemuxerStream* input_stream_;
86 bool low_delay_; 85 bool low_delay_;
87 SelectDecoderCB select_decoder_cb_; 86 SelectDecoderCB select_decoder_cb_;
88 typename Decoder::OutputCB output_cb_;
89 87
90 scoped_ptr<Decoder> decoder_; 88 scoped_ptr<Decoder> decoder_;
91 scoped_ptr<DecryptingDemuxerStream> decrypted_stream_; 89 scoped_ptr<DecryptingDemuxerStream> decrypted_stream_;
92 90
93 // NOTE: Weak pointers must be invalidated before all other member variables. 91 // NOTE: Weak pointers must be invalidated before all other member variables.
94 base::WeakPtrFactory<DecoderSelector> weak_ptr_factory_; 92 base::WeakPtrFactory<DecoderSelector> weak_ptr_factory_;
95 93
96 DISALLOW_IMPLICIT_CONSTRUCTORS(DecoderSelector); 94 DISALLOW_IMPLICIT_CONSTRUCTORS(DecoderSelector);
97 }; 95 };
98 96
99 typedef DecoderSelector<DemuxerStream::VIDEO> VideoDecoderSelector; 97 typedef DecoderSelector<DemuxerStream::VIDEO> VideoDecoderSelector;
100 typedef DecoderSelector<DemuxerStream::AUDIO> AudioDecoderSelector; 98 typedef DecoderSelector<DemuxerStream::AUDIO> AudioDecoderSelector;
101 99
102 } // namespace media 100 } // namespace media
103 101
104 #endif // MEDIA_FILTERS_DECODER_SELECTOR_H_ 102 #endif // MEDIA_FILTERS_DECODER_SELECTOR_H_
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