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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_WEBM_TRACKS_BUILDER_H_ | 5 #ifndef MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_ |
6 #define MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_ | 6 #define MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <list> | 10 #include <list> |
9 #include <string> | 11 #include <string> |
10 #include <vector> | 12 #include <vector> |
11 | 13 |
12 #include "base/basictypes.h" | 14 #include "base/macros.h" |
13 | 15 |
14 namespace media { | 16 namespace media { |
15 | 17 |
16 class TracksBuilder { | 18 class TracksBuilder { |
17 public: | 19 public: |
18 // If |allow_invalid_values| is false, some AddTrack() parameters will be | 20 // If |allow_invalid_values| is false, some AddTrack() parameters will be |
19 // basically checked and will assert if out of valid range. |codec_id|, | 21 // basically checked and will assert if out of valid range. |codec_id|, |
20 // |name|, |language| and any device-specific constraints are not checked. | 22 // |name|, |language| and any device-specific constraints are not checked. |
21 explicit TracksBuilder(bool allow_invalid_values); | 23 explicit TracksBuilder(bool allow_invalid_values); |
22 TracksBuilder(); // Sets |allow_invalid_values| to false. | 24 TracksBuilder(); // Sets |allow_invalid_values| to false. |
23 ~TracksBuilder(); | 25 ~TracksBuilder(); |
24 | 26 |
25 // Only a non-negative |default_duration| will result in a serialized | 27 // Only a non-negative |default_duration| will result in a serialized |
26 // kWebMIdDefaultDuration element. Note, 0 is allowed here for testing only | 28 // kWebMIdDefaultDuration element. Note, 0 is allowed here for testing only |
27 // if |allow_invalid_values_| is true, since it is an illegal value for | 29 // if |allow_invalid_values_| is true, since it is an illegal value for |
28 // DefaultDuration. Similar applies to |audio_channels|, | 30 // DefaultDuration. Similar applies to |audio_channels|, |
29 // |audio_sampling_frequency|, |video_pixel_width| and |video_pixel_height|. | 31 // |audio_sampling_frequency|, |video_pixel_width| and |video_pixel_height|. |
30 void AddVideoTrack(int track_num, | 32 void AddVideoTrack(int track_num, |
31 uint64 track_uid, | 33 uint64_t track_uid, |
32 const std::string& codec_id, | 34 const std::string& codec_id, |
33 const std::string& name, | 35 const std::string& name, |
34 const std::string& language, | 36 const std::string& language, |
35 int default_duration, | 37 int default_duration, |
36 int video_pixel_width, | 38 int video_pixel_width, |
37 int video_pixel_height); | 39 int video_pixel_height); |
38 void AddAudioTrack(int track_num, | 40 void AddAudioTrack(int track_num, |
39 uint64 track_uid, | 41 uint64_t track_uid, |
40 const std::string& codec_id, | 42 const std::string& codec_id, |
41 const std::string& name, | 43 const std::string& name, |
42 const std::string& language, | 44 const std::string& language, |
43 int default_duration, | 45 int default_duration, |
44 int audio_channels, | 46 int audio_channels, |
45 double audio_sampling_frequency); | 47 double audio_sampling_frequency); |
46 void AddTextTrack(int track_num, | 48 void AddTextTrack(int track_num, |
47 uint64 track_uid, | 49 uint64_t track_uid, |
48 const std::string& codec_id, | 50 const std::string& codec_id, |
49 const std::string& name, | 51 const std::string& name, |
50 const std::string& language); | 52 const std::string& language); |
51 | 53 |
52 std::vector<uint8> Finish(); | 54 std::vector<uint8_t> Finish(); |
53 | 55 |
54 private: | 56 private: |
55 void AddTrackInternal(int track_num, | 57 void AddTrackInternal(int track_num, |
56 int track_type, | 58 int track_type, |
57 uint64 track_uid, | 59 uint64_t track_uid, |
58 const std::string& codec_id, | 60 const std::string& codec_id, |
59 const std::string& name, | 61 const std::string& name, |
60 const std::string& language, | 62 const std::string& language, |
61 int default_duration, | 63 int default_duration, |
62 int video_pixel_width, | 64 int video_pixel_width, |
63 int video_pixel_height, | 65 int video_pixel_height, |
64 int audio_channels, | 66 int audio_channels, |
65 double audio_sampling_frequency); | 67 double audio_sampling_frequency); |
66 int GetTracksSize() const; | 68 int GetTracksSize() const; |
67 int GetTracksPayloadSize() const; | 69 int GetTracksPayloadSize() const; |
68 void WriteTracks(uint8* buffer, int buffer_size) const; | 70 void WriteTracks(uint8_t* buffer, int buffer_size) const; |
69 | 71 |
70 class Track { | 72 class Track { |
71 public: | 73 public: |
72 Track(int track_num, | 74 Track(int track_num, |
73 int track_type, | 75 int track_type, |
74 uint64 track_uid, | 76 uint64_t track_uid, |
75 const std::string& codec_id, | 77 const std::string& codec_id, |
76 const std::string& name, | 78 const std::string& name, |
77 const std::string& language, | 79 const std::string& language, |
78 int default_duration, | 80 int default_duration, |
79 int video_pixel_width, | 81 int video_pixel_width, |
80 int video_pixel_height, | 82 int video_pixel_height, |
81 int audio_channels, | 83 int audio_channels, |
82 double audio_sampling_frequency, | 84 double audio_sampling_frequency, |
83 bool allow_invalid_values); | 85 bool allow_invalid_values); |
84 | 86 |
85 int GetSize() const; | 87 int GetSize() const; |
86 void Write(uint8** buf, int* buf_size) const; | 88 void Write(uint8_t** buf, int* buf_size) const; |
| 89 |
87 private: | 90 private: |
88 int GetPayloadSize() const; | 91 int GetPayloadSize() const; |
89 int GetVideoPayloadSize() const; | 92 int GetVideoPayloadSize() const; |
90 int GetAudioPayloadSize() const; | 93 int GetAudioPayloadSize() const; |
91 | 94 |
92 int track_num_; | 95 int track_num_; |
93 int track_type_; | 96 int track_type_; |
94 int track_uid_; | 97 int track_uid_; |
95 std::string codec_id_; | 98 std::string codec_id_; |
96 std::string name_; | 99 std::string name_; |
97 std::string language_; | 100 std::string language_; |
98 int default_duration_; | 101 int default_duration_; |
99 int video_pixel_width_; | 102 int video_pixel_width_; |
100 int video_pixel_height_; | 103 int video_pixel_height_; |
101 int audio_channels_; | 104 int audio_channels_; |
102 double audio_sampling_frequency_; | 105 double audio_sampling_frequency_; |
103 }; | 106 }; |
104 | 107 |
105 typedef std::list<Track> TrackList; | 108 typedef std::list<Track> TrackList; |
106 TrackList tracks_; | 109 TrackList tracks_; |
107 bool allow_invalid_values_; | 110 bool allow_invalid_values_; |
108 | 111 |
109 DISALLOW_COPY_AND_ASSIGN(TracksBuilder); | 112 DISALLOW_COPY_AND_ASSIGN(TracksBuilder); |
110 }; | 113 }; |
111 | 114 |
112 } // namespace media | 115 } // namespace media |
113 | 116 |
114 #endif // MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_ | 117 #endif // MEDIA_FORMATS_WEBM_TRACKS_BUILDER_H_ |
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