OLD | NEW |
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_MP2T_STREAM_PARSER_H_ | 5 #ifndef MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_ |
6 #define MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_ | 6 #define MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <list> | 10 #include <list> |
11 #include <map> | 11 #include <map> |
12 #include <memory> | 12 #include <memory> |
13 | 13 |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
16 #include "media/base/audio_decoder_config.h" | 16 #include "media/base/audio_decoder_config.h" |
17 #include "media/base/byte_queue.h" | 17 #include "media/base/byte_queue.h" |
| 18 #include "media/base/decrypt_config.h" |
18 #include "media/base/media_export.h" | 19 #include "media/base/media_export.h" |
19 #include "media/base/stream_parser.h" | 20 #include "media/base/stream_parser.h" |
20 #include "media/base/video_decoder_config.h" | 21 #include "media/base/video_decoder_config.h" |
21 #include "media/formats/mp2t/timestamp_unroller.h" | 22 #include "media/formats/mp2t/timestamp_unroller.h" |
| 23 #include "media/media_features.h" |
22 | 24 |
23 namespace media { | 25 namespace media { |
24 | 26 |
| 27 class DecryptConfig; |
25 class StreamParserBuffer; | 28 class StreamParserBuffer; |
26 | 29 |
27 namespace mp2t { | 30 namespace mp2t { |
28 | 31 |
| 32 class Descriptors; |
29 class PidState; | 33 class PidState; |
30 | 34 |
31 class MEDIA_EXPORT Mp2tStreamParser : public StreamParser { | 35 class MEDIA_EXPORT Mp2tStreamParser : public StreamParser { |
32 public: | 36 public: |
33 explicit Mp2tStreamParser(bool sbr_in_mimetype); | 37 explicit Mp2tStreamParser(bool sbr_in_mimetype); |
34 ~Mp2tStreamParser() override; | 38 ~Mp2tStreamParser() override; |
35 | 39 |
36 // StreamParser implementation. | 40 // StreamParser implementation. |
37 void Init(const InitCB& init_cb, | 41 void Init(const InitCB& init_cb, |
38 const NewConfigCB& config_cb, | 42 const NewConfigCB& config_cb, |
(...skipping 22 matching lines...) Expand all Loading... |
61 }; | 65 }; |
62 | 66 |
63 // Callback invoked to register a Program Map Table. | 67 // Callback invoked to register a Program Map Table. |
64 // Note: Does nothing if the PID is already registered. | 68 // Note: Does nothing if the PID is already registered. |
65 void RegisterPmt(int program_number, int pmt_pid); | 69 void RegisterPmt(int program_number, int pmt_pid); |
66 | 70 |
67 // Callback invoked to register a PES pid. | 71 // Callback invoked to register a PES pid. |
68 // Possible values for |stream_type| are defined in: | 72 // Possible values for |stream_type| are defined in: |
69 // ISO-13818.1 / ITU H.222 Table 2.34 "Stream type assignments". | 73 // ISO-13818.1 / ITU H.222 Table 2.34 "Stream type assignments". |
70 // |pes_pid| is part of the Program Map Table refered by |pmt_pid|. | 74 // |pes_pid| is part of the Program Map Table refered by |pmt_pid|. |
71 void RegisterPes(int pmt_pid, int pes_pid, int stream_type); | 75 // Some stream types are qualified by additional |descriptors|. |
| 76 void RegisterPes(int pmt_pid, |
| 77 int pes_pid, |
| 78 int stream_type, |
| 79 const Descriptors& descriptors); |
72 | 80 |
73 // Since the StreamParser interface allows only one audio & video streams, | 81 // Since the StreamParser interface allows only one audio & video streams, |
74 // an automatic PID filtering should be applied to select the audio & video | 82 // an automatic PID filtering should be applied to select the audio & video |
75 // streams. | 83 // streams. |
76 void UpdatePidFilter(); | 84 void UpdatePidFilter(); |
77 | 85 |
78 // Callback invoked each time the audio/video decoder configuration is | 86 // Callback invoked each time the audio/video decoder configuration is |
79 // changed. | 87 // changed. |
80 void OnVideoConfigChanged(int pes_pid, | 88 void OnVideoConfigChanged(int pes_pid, |
81 const VideoDecoderConfig& video_decoder_config); | 89 const VideoDecoderConfig& video_decoder_config); |
82 void OnAudioConfigChanged(int pes_pid, | 90 void OnAudioConfigChanged(int pes_pid, |
83 const AudioDecoderConfig& audio_decoder_config); | 91 const AudioDecoderConfig& audio_decoder_config); |
84 | 92 |
85 // Invoke the initialization callback if needed. | 93 // Invoke the initialization callback if needed. |
86 bool FinishInitializationIfNeeded(); | 94 bool FinishInitializationIfNeeded(); |
87 | 95 |
88 // Callback invoked by the ES stream parser | 96 // Callback invoked by the ES stream parser |
89 // to emit a new audio/video access unit. | 97 // to emit a new audio/video access unit. |
90 void OnEmitAudioBuffer( | 98 void OnEmitAudioBuffer( |
91 int pes_pid, | 99 int pes_pid, |
92 scoped_refptr<StreamParserBuffer> stream_parser_buffer); | 100 scoped_refptr<StreamParserBuffer> stream_parser_buffer); |
93 void OnEmitVideoBuffer( | 101 void OnEmitVideoBuffer( |
94 int pes_pid, | 102 int pes_pid, |
95 scoped_refptr<StreamParserBuffer> stream_parser_buffer); | 103 scoped_refptr<StreamParserBuffer> stream_parser_buffer); |
96 bool EmitRemainingBuffers(); | 104 bool EmitRemainingBuffers(); |
97 | 105 |
| 106 #if BUILDFLAG(ENABLE_HLS_SAMPLE_AES) |
| 107 std::unique_ptr<PidState> MakeCatPidState(); |
| 108 void UnregisterCat(); |
| 109 |
| 110 // Register the PIDs for the Cenc packets (CENC-ECM and CENC-PSSH). |
| 111 void RegisterCencPids(int ca_pid, int pssh_pid); |
| 112 void UnregisterCencPids(); |
| 113 |
| 114 // Register the DecryptConfig (parsed from CENC-ECM). |
| 115 void RegisterDecryptConfig(const DecryptConfig& config); |
| 116 |
| 117 // Register the PSSH (parsed from CENC-PSSH). |
| 118 void RegisterPsshBoxes(const std::vector<uint8_t>& init_data); |
| 119 |
| 120 const DecryptConfig* GetDecryptConfig() { return decrypt_config_.get(); } |
| 121 #endif |
| 122 |
98 // List of callbacks. | 123 // List of callbacks. |
99 InitCB init_cb_; | 124 InitCB init_cb_; |
100 NewConfigCB config_cb_; | 125 NewConfigCB config_cb_; |
101 NewBuffersCB new_buffers_cb_; | 126 NewBuffersCB new_buffers_cb_; |
102 EncryptedMediaInitDataCB encrypted_media_init_data_cb_; | 127 EncryptedMediaInitDataCB encrypted_media_init_data_cb_; |
103 NewMediaSegmentCB new_segment_cb_; | 128 NewMediaSegmentCB new_segment_cb_; |
104 EndMediaSegmentCB end_of_segment_cb_; | 129 EndMediaSegmentCB end_of_segment_cb_; |
105 scoped_refptr<MediaLog> media_log_; | 130 scoped_refptr<MediaLog> media_log_; |
106 | 131 |
107 // True when AAC SBR extension is signalled in the mimetype | 132 // True when AAC SBR extension is signalled in the mimetype |
(...skipping 17 matching lines...) Expand all Loading... |
125 bool is_initialized_; | 150 bool is_initialized_; |
126 | 151 |
127 // Indicate whether a segment was started. | 152 // Indicate whether a segment was started. |
128 bool segment_started_; | 153 bool segment_started_; |
129 | 154 |
130 // Timestamp unroller. | 155 // Timestamp unroller. |
131 // Timestamps in PES packets must be unrolled using the same offset. | 156 // Timestamps in PES packets must be unrolled using the same offset. |
132 // So the unroller is global between PES pids. | 157 // So the unroller is global between PES pids. |
133 TimestampUnroller timestamp_unroller_; | 158 TimestampUnroller timestamp_unroller_; |
134 | 159 |
| 160 #if BUILDFLAG(ENABLE_HLS_SAMPLE_AES) |
| 161 std::unique_ptr<DecryptConfig> decrypt_config_; |
| 162 #endif |
| 163 |
135 DISALLOW_COPY_AND_ASSIGN(Mp2tStreamParser); | 164 DISALLOW_COPY_AND_ASSIGN(Mp2tStreamParser); |
136 }; | 165 }; |
137 | 166 |
138 } // namespace mp2t | 167 } // namespace mp2t |
139 } // namespace media | 168 } // namespace media |
140 | 169 |
141 #endif // MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_ | 170 #endif // MEDIA_FORMATS_MP2T_MP2T_STREAM_PARSER_H_ |
OLD | NEW |