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Diffstat (limited to 'media/libstagefright/webm/WebmConstants.h')
-rw-r--r-- | media/libstagefright/webm/WebmConstants.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/media/libstagefright/webm/WebmConstants.h b/media/libstagefright/webm/WebmConstants.h new file mode 100644 index 0000000..c53f458 --- /dev/null +++ b/media/libstagefright/webm/WebmConstants.h @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2014 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef WEBMCONSTANTS_H_ +#define WEBMCONSTANTS_H_ + +#include <stdint.h> + +namespace webm { + +const int kMinEbmlVoidSize = 2; +const int64_t kMaxMetaSeekSize = 64; +const int64_t kMkvUnknownLength = 0x01ffffffffffffffl; + +// EBML element id's from http://matroska.org/technical/specs/index.html +enum Mkv { + kMkvEbml = 0x1A45DFA3, + kMkvEbmlVersion = 0x4286, + kMkvEbmlReadVersion = 0x42F7, + kMkvEbmlMaxIdlength = 0x42F2, + kMkvEbmlMaxSizeLength = 0x42F3, + kMkvDocType = 0x4282, + kMkvDocTypeVersion = 0x4287, + kMkvDocTypeReadVersion = 0x4285, + kMkvVoid = 0xEC, + kMkvSignatureSlot = 0x1B538667, + kMkvSignatureAlgo = 0x7E8A, + kMkvSignatureHash = 0x7E9A, + kMkvSignaturePublicKey = 0x7EA5, + kMkvSignature = 0x7EB5, + kMkvSignatureElements = 0x7E5B, + kMkvSignatureElementList = 0x7E7B, + kMkvSignedElement = 0x6532, + kMkvSegment = 0x18538067, + kMkvSeekHead = 0x114D9B74, + kMkvSeek = 0x4DBB, + kMkvSeekId = 0x53AB, + kMkvSeekPosition = 0x53AC, + kMkvInfo = 0x1549A966, + kMkvTimecodeScale = 0x2AD7B1, + kMkvSegmentDuration = 0x4489, + kMkvDateUtc = 0x4461, + kMkvMuxingApp = 0x4D80, + kMkvWritingApp = 0x5741, + kMkvCluster = 0x1F43B675, + kMkvTimecode = 0xE7, + kMkvPrevSize = 0xAB, + kMkvBlockGroup = 0xA0, + kMkvBlock = 0xA1, + kMkvBlockAdditions = 0x75A1, + kMkvBlockMore = 0xA6, + kMkvBlockAddId = 0xEE, + kMkvBlockAdditional = 0xA5, + kMkvBlockDuration = 0x9B, + kMkvReferenceBlock = 0xFB, + kMkvLaceNumber = 0xCC, + kMkvSimpleBlock = 0xA3, + kMkvTracks = 0x1654AE6B, + kMkvTrackEntry = 0xAE, + kMkvTrackNumber = 0xD7, + kMkvTrackUid = 0x73C5, + kMkvTrackType = 0x83, + kMkvFlagEnabled = 0xB9, + kMkvFlagDefault = 0x88, + kMkvFlagForced = 0x55AA, + kMkvFlagLacing = 0x9C, + kMkvDefaultDuration = 0x23E383, + kMkvMaxBlockAdditionId = 0x55EE, + kMkvName = 0x536E, + kMkvLanguage = 0x22B59C, + kMkvCodecId = 0x86, + kMkvCodecPrivate = 0x63A2, + kMkvCodecName = 0x258688, + kMkvVideo = 0xE0, + kMkvFlagInterlaced = 0x9A, + kMkvStereoMode = 0x53B8, + kMkvAlphaMode = 0x53C0, + kMkvPixelWidth = 0xB0, + kMkvPixelHeight = 0xBA, + kMkvPixelCropBottom = 0x54AA, + kMkvPixelCropTop = 0x54BB, + kMkvPixelCropLeft = 0x54CC, + kMkvPixelCropRight = 0x54DD, + kMkvDisplayWidth = 0x54B0, + kMkvDisplayHeight = 0x54BA, + kMkvDisplayUnit = 0x54B2, + kMkvAspectRatioType = 0x54B3, + kMkvFrameRate = 0x2383E3, + kMkvAudio = 0xE1, + kMkvSamplingFrequency = 0xB5, + kMkvOutputSamplingFrequency = 0x78B5, + kMkvChannels = 0x9F, + kMkvBitDepth = 0x6264, + kMkvCues = 0x1C53BB6B, + kMkvCuePoint = 0xBB, + kMkvCueTime = 0xB3, + kMkvCueTrackPositions = 0xB7, + kMkvCueTrack = 0xF7, + kMkvCueClusterPosition = 0xF1, + kMkvCueBlockNumber = 0x5378 +}; + +enum TrackTypes { + kInvalidType = -1, + kVideoType = 0x1, + kAudioType = 0x2, + kComplexType = 0x3, + kLogoType = 0x10, + kSubtitleType = 0x11, + kButtonsType = 0x12, + kControlType = 0x20 +}; + +enum TrackNum { + kVideoTrackNum = 0x1, + kAudioTrackNum = 0x2 +}; +} + +#endif /* WEBMCONSTANTS_H_ */ |