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Side by Side Diff: media/formats/mp2t/es_parser.h

Issue 1534273002: Switch to standard integer types in media/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more Created 5 years 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_FORMATS_MP2T_ES_PARSER_H_ 5 #ifndef MEDIA_FORMATS_MP2T_ES_PARSER_H_
6 #define MEDIA_FORMATS_MP2T_ES_PARSER_H_ 6 #define MEDIA_FORMATS_MP2T_ES_PARSER_H_
7 7
8 #include <list> 8 #include <list>
9 #include <utility> 9 #include <utility>
10 10
11 #include "base/basictypes.h"
12 #include "base/callback.h" 11 #include "base/callback.h"
13 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
14 #include "base/time/time.h" 13 #include "base/time/time.h"
15 #include "media/base/media_export.h" 14 #include "media/base/media_export.h"
16 #include "media/base/stream_parser_buffer.h" 15 #include "media/base/stream_parser_buffer.h"
17 16
18 namespace media { 17 namespace media {
19 18
20 class OffsetByteQueue; 19 class OffsetByteQueue;
21 class StreamParserBuffer; 20 class StreamParserBuffer;
22 21
23 namespace mp2t { 22 namespace mp2t {
24 23
25 class MEDIA_EXPORT EsParser { 24 class MEDIA_EXPORT EsParser {
26 public: 25 public:
27 typedef base::Callback<void(scoped_refptr<StreamParserBuffer>)> EmitBufferCB; 26 typedef base::Callback<void(scoped_refptr<StreamParserBuffer>)> EmitBufferCB;
28 27
29 EsParser(); 28 EsParser();
30 virtual ~EsParser(); 29 virtual ~EsParser();
31 30
32 // ES parsing. 31 // ES parsing.
33 // Should use kNoTimestamp when a timestamp is not valid. 32 // Should use kNoTimestamp when a timestamp is not valid.
34 bool Parse(const uint8* buf, int size, 33 bool Parse(const uint8_t* buf,
34 int size,
35 base::TimeDelta pts, 35 base::TimeDelta pts,
36 DecodeTimestamp dts); 36 DecodeTimestamp dts);
37 37
38 // Flush any pending buffer. 38 // Flush any pending buffer.
39 virtual void Flush() = 0; 39 virtual void Flush() = 0;
40 40
41 // Reset the state of the ES parser. 41 // Reset the state of the ES parser.
42 void Reset(); 42 void Reset();
43 43
44 protected: 44 protected:
(...skipping 10 matching lines...) Expand all
55 virtual bool ParseFromEsQueue() = 0; 55 virtual bool ParseFromEsQueue() = 0;
56 56
57 // Reset the internal state of the ES parser. 57 // Reset the internal state of the ES parser.
58 virtual void ResetInternal() = 0; 58 virtual void ResetInternal() = 0;
59 59
60 // Get the timing descriptor with the largest byte count that is less or 60 // Get the timing descriptor with the largest byte count that is less or
61 // equal to |es_byte_count|. 61 // equal to |es_byte_count|.
62 // This timing descriptor and all the ones that come before (in stream order) 62 // This timing descriptor and all the ones that come before (in stream order)
63 // are removed from list |timing_desc_list_|. 63 // are removed from list |timing_desc_list_|.
64 // If no timing descriptor is found, then the default TimingDesc is returned. 64 // If no timing descriptor is found, then the default TimingDesc is returned.
65 TimingDesc GetTimingDescriptor(int64 es_byte_count); 65 TimingDesc GetTimingDescriptor(int64_t es_byte_count);
66 66
67 // Bytes of the ES stream that have not been emitted yet. 67 // Bytes of the ES stream that have not been emitted yet.
68 scoped_ptr<media::OffsetByteQueue> es_queue_; 68 scoped_ptr<media::OffsetByteQueue> es_queue_;
69 69
70 private: 70 private:
71 // Anchor some timing information into the ES queue. 71 // Anchor some timing information into the ES queue.
72 // Here are two examples how this timing info is applied according to 72 // Here are two examples how this timing info is applied according to
73 // the MPEG-2 TS spec - ISO/IEC 13818: 73 // the MPEG-2 TS spec - ISO/IEC 13818:
74 // - "In the case of audio, if a PTS is present in PES packet header it shall 74 // - "In the case of audio, if a PTS is present in PES packet header it shall
75 // refer to the first access unit commencing in the PES packet. An audio 75 // refer to the first access unit commencing in the PES packet. An audio
76 // access unit commences in a PES packet if the first byte of the audio 76 // access unit commences in a PES packet if the first byte of the audio
77 // access unit is present in the PES packet." 77 // access unit is present in the PES packet."
78 // - "For AVC video streams conforming to one or more profiles defined 78 // - "For AVC video streams conforming to one or more profiles defined
79 // in Annex A of Rec. ITU-T H.264 | ISO/IEC 14496-10 video, if a PTS is 79 // in Annex A of Rec. ITU-T H.264 | ISO/IEC 14496-10 video, if a PTS is
80 // present in the PES packet header, it shall refer to the first AVC access 80 // present in the PES packet header, it shall refer to the first AVC access
81 // unit that commences in this PES packet. 81 // unit that commences in this PES packet.
82 std::list<std::pair<int64, TimingDesc> > timing_desc_list_; 82 std::list<std::pair<int64_t, TimingDesc>> timing_desc_list_;
83 83
84 DISALLOW_COPY_AND_ASSIGN(EsParser); 84 DISALLOW_COPY_AND_ASSIGN(EsParser);
85 }; 85 };
86 86
87 } // namespace mp2t 87 } // namespace mp2t
88 } // namespace media 88 } // namespace media
89 89
90 #endif 90 #endif
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