1 // Copyright (c) 2016 The WebM project authors. All Rights Reserved.
2 //
3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the LICENSE file in the root of the source
5 // tree. An additional intellectual property rights grant can be found
6 // in the file PATENTS.  All contributing project authors may
7 // be found in the AUTHORS file in the root of the source tree.
8 
9 #ifndef SRC_TRACK_ENTRY_PARSER_H_
10 #define SRC_TRACK_ENTRY_PARSER_H_
11 
12 #include "src/audio_parser.h"
13 #include "src/bool_parser.h"
14 #include "src/byte_parser.h"
15 #include "src/content_encodings_parser.h"
16 #include "src/int_parser.h"
17 #include "src/master_value_parser.h"
18 #include "src/video_parser.h"
19 #include "webm/dom_types.h"
20 #include "webm/id.h"
21 
22 namespace webm {
23 
24 // Spec reference:
25 // http://matroska.org/technical/specs/index.html#TrackEntry
26 // http://www.webmproject.org/docs/container/#TrackEntry
27 class TrackEntryParser : public MasterValueParser<TrackEntry> {
28  public:
TrackEntryParser()29   TrackEntryParser()
30       : MasterValueParser<TrackEntry>(
31             MakeChild<UnsignedIntParser>(Id::kTrackNumber,
32                                          &TrackEntry::track_number),
33             MakeChild<UnsignedIntParser>(Id::kTrackUid, &TrackEntry::track_uid),
34             MakeChild<IntParser<TrackType>>(Id::kTrackType,
35                                             &TrackEntry::track_type),
36             MakeChild<BoolParser>(Id::kFlagEnabled, &TrackEntry::is_enabled),
37             MakeChild<BoolParser>(Id::kFlagDefault, &TrackEntry::is_default),
38             MakeChild<BoolParser>(Id::kFlagForced, &TrackEntry::is_forced),
39             MakeChild<BoolParser>(Id::kFlagLacing, &TrackEntry::uses_lacing),
40             MakeChild<UnsignedIntParser>(Id::kDefaultDuration,
41                                          &TrackEntry::default_duration),
42             MakeChild<StringParser>(Id::kName, &TrackEntry::name),
43             MakeChild<StringParser>(Id::kLanguage, &TrackEntry::language),
44             MakeChild<StringParser>(Id::kCodecId, &TrackEntry::codec_id),
45             MakeChild<BinaryParser>(Id::kCodecPrivate,
46                                     &TrackEntry::codec_private),
47             MakeChild<StringParser>(Id::kCodecName, &TrackEntry::codec_name),
48             MakeChild<UnsignedIntParser>(Id::kCodecDelay,
49                                          &TrackEntry::codec_delay),
50             MakeChild<UnsignedIntParser>(Id::kSeekPreRoll,
51                                          &TrackEntry::seek_pre_roll),
52             MakeChild<VideoParser>(Id::kVideo, &TrackEntry::video),
53             MakeChild<AudioParser>(Id::kAudio, &TrackEntry::audio),
54             MakeChild<ContentEncodingsParser>(
55                 Id::kContentEncodings, &TrackEntry::content_encodings)) {}
56 
57  protected:
OnParseCompleted(Callback * callback)58   Status OnParseCompleted(Callback* callback) override {
59     return callback->OnTrackEntry(metadata(Id::kTrackEntry), value());
60   }
61 };
62 
63 }  // namespace webm
64 
65 #endif  // SRC_TRACK_ENTRY_PARSER_H_
66