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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_WEBM_CONSTANTS_H_ | 5 #ifndef MEDIA_FORMATS_WEBM_WEBM_CONSTANTS_H_ |
6 #define MEDIA_FORMATS_WEBM_WEBM_CONSTANTS_H_ | 6 #define MEDIA_FORMATS_WEBM_WEBM_CONSTANTS_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include <stdint.h> |
| 9 |
9 #include "media/base/media_export.h" | 10 #include "media/base/media_export.h" |
10 | 11 |
11 namespace media { | 12 namespace media { |
12 | 13 |
13 // WebM element IDs. | 14 // WebM element IDs. |
14 // This is a subset of the IDs in the Matroska spec. | 15 // This is a subset of the IDs in the Matroska spec. |
15 // http://www.matroska.org/technical/specs/index.html | 16 // http://www.matroska.org/technical/specs/index.html |
16 const int kWebMIdAESSettingsCipherMode = 0x47E8; | 17 const int kWebMIdAESSettingsCipherMode = 0x47E8; |
17 const int kWebMIdAlphaMode = 0x53C0; | 18 const int kWebMIdAlphaMode = 0x53C0; |
18 const int kWebMIdAspectRatioType = 0x54B3; | 19 const int kWebMIdAspectRatioType = 0x54B3; |
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193 const int kWebMIdTrackTranslate = 0x6624; | 194 const int kWebMIdTrackTranslate = 0x6624; |
194 const int kWebMIdTrackTranslateCodec = 0x66BF; | 195 const int kWebMIdTrackTranslateCodec = 0x66BF; |
195 const int kWebMIdTrackTranslateEditionUID = 0x66FC; | 196 const int kWebMIdTrackTranslateEditionUID = 0x66FC; |
196 const int kWebMIdTrackTranslateTrackID = 0x66A5; | 197 const int kWebMIdTrackTranslateTrackID = 0x66A5; |
197 const int kWebMIdTrackType = 0x83; | 198 const int kWebMIdTrackType = 0x83; |
198 const int kWebMIdTrackUID = 0x73C5; | 199 const int kWebMIdTrackUID = 0x73C5; |
199 const int kWebMIdVideo = 0xE0; | 200 const int kWebMIdVideo = 0xE0; |
200 const int kWebMIdVoid = 0xEC; | 201 const int kWebMIdVoid = 0xEC; |
201 const int kWebMIdWritingApp = 0x5741; | 202 const int kWebMIdWritingApp = 0x5741; |
202 | 203 |
203 const int64 kWebMReservedId = 0x1FFFFFFF; | 204 const int64_t kWebMReservedId = 0x1FFFFFFF; |
204 const int64 kWebMUnknownSize = 0x00FFFFFFFFFFFFFFLL; | 205 const int64_t kWebMUnknownSize = 0x00FFFFFFFFFFFFFFLL; |
205 | 206 |
206 const uint8 kWebMFlagKeyframe = 0x80; | 207 const uint8_t kWebMFlagKeyframe = 0x80; |
207 | 208 |
208 // Current encrypted WebM request for comments specification is here | 209 // Current encrypted WebM request for comments specification is here |
209 // http://wiki.webmproject.org/encryption/webm-encryption-rfc | 210 // http://wiki.webmproject.org/encryption/webm-encryption-rfc |
210 const uint8 kWebMFlagEncryptedFrame = 0x1; | 211 const uint8_t kWebMFlagEncryptedFrame = 0x1; |
211 const int kWebMIvSize = 8; | 212 const int kWebMIvSize = 8; |
212 const int kWebMSignalByteSize = 1; | 213 const int kWebMSignalByteSize = 1; |
213 | 214 |
214 // Current specification for WebVTT embedded in WebM | 215 // Current specification for WebVTT embedded in WebM |
215 // http://wiki.webmproject.org/webm-metadata/temporal-metadata/webvtt-in-webm | 216 // http://wiki.webmproject.org/webm-metadata/temporal-metadata/webvtt-in-webm |
216 | 217 |
217 const int kWebMTrackTypeVideo = 1; | 218 const int kWebMTrackTypeVideo = 1; |
218 const int kWebMTrackTypeAudio = 2; | 219 const int kWebMTrackTypeAudio = 2; |
219 const int kWebMTrackTypeSubtitlesOrCaptions = 0x11; | 220 const int kWebMTrackTypeSubtitlesOrCaptions = 0x11; |
220 const int kWebMTrackTypeDescriptionsOrMetadata = 0x21; | 221 const int kWebMTrackTypeDescriptionsOrMetadata = 0x21; |
221 | 222 |
222 MEDIA_EXPORT extern const char kWebMCodecSubtitles[]; | 223 MEDIA_EXPORT extern const char kWebMCodecSubtitles[]; |
223 MEDIA_EXPORT extern const char kWebMCodecCaptions[]; | 224 MEDIA_EXPORT extern const char kWebMCodecCaptions[]; |
224 MEDIA_EXPORT extern const char kWebMCodecDescriptions[]; | 225 MEDIA_EXPORT extern const char kWebMCodecDescriptions[]; |
225 MEDIA_EXPORT extern const char kWebMCodecMetadata[]; | 226 MEDIA_EXPORT extern const char kWebMCodecMetadata[]; |
226 | 227 |
227 } // namespace media | 228 } // namespace media |
228 | 229 |
229 #endif // MEDIA_FORMATS_WEBM_WEBM_CONSTANTS_H_ | 230 #endif // MEDIA_FORMATS_WEBM_WEBM_CONSTANTS_H_ |
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