Add explicit |forceOnlineSignin| to user pod status
[chromium-blink-merge.git] / media / mp2t / es_parser_adts.h
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1 // Copyright 2013 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.
5 #ifndef MEDIA_MP2T_ES_PARSER_ADTS_H_
6 #define MEDIA_MP2T_ES_PARSER_ADTS_H_
8 #include <list>
9 #include <utility>
11 #include "base/callback.h"
12 #include "base/compiler_specific.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/time/time.h"
15 #include "media/base/audio_decoder_config.h"
16 #include "media/base/byte_queue.h"
17 #include "media/mp2t/es_parser.h"
19 namespace media {
20 class AudioTimestampHelper;
21 class BitReader;
22 class StreamParserBuffer;
25 namespace media {
26 namespace mp2t {
28 class EsParserAdts : public EsParser {
29 public:
30 typedef base::Callback<void(const AudioDecoderConfig&)> NewAudioConfigCB;
32 EsParserAdts(const NewAudioConfigCB& new_audio_config_cb,
33 const EmitBufferCB& emit_buffer_cb,
34 bool sbr_in_mimetype);
35 virtual ~EsParserAdts();
37 // EsParser implementation.
38 virtual bool Parse(const uint8* buf, int size,
39 base::TimeDelta pts,
40 base::TimeDelta dts) OVERRIDE;
41 virtual void Flush() OVERRIDE;
42 virtual void Reset() OVERRIDE;
44 private:
45 // Used to link a PTS with a byte position in the ES stream.
46 typedef std::pair<int, base::TimeDelta> EsPts;
47 typedef std::list<EsPts> EsPtsList;
49 // Signal any audio configuration change (if any).
50 // Return false if the current audio config is not
51 // a supported ADTS audio config.
52 bool UpdateAudioConfiguration(const uint8* adts_header);
54 // Discard some bytes from the ES stream.
55 void DiscardEs(int nbytes);
57 // Callbacks:
58 // - to signal a new audio configuration,
59 // - to send ES buffers.
60 NewAudioConfigCB new_audio_config_cb_;
61 EmitBufferCB emit_buffer_cb_;
63 // True when AAC SBR extension is signalled in the mimetype
64 // (mp4a.40.5 in the codecs parameter).
65 bool sbr_in_mimetype_;
67 // Bytes of the ES stream that have not been emitted yet.
68 ByteQueue es_byte_queue_;
70 // List of PTS associated with a position in the ES stream.
71 EsPtsList pts_list_;
73 // Interpolated PTS for frames that don't have one.
74 scoped_ptr<AudioTimestampHelper> audio_timestamp_helper_;
76 // Last audio config.
77 AudioDecoderConfig last_audio_decoder_config_;
79 DISALLOW_COPY_AND_ASSIGN(EsParserAdts);
82 } // namespace mp2t
83 } // namespace media
85 #endif