Adding ChunkDemuxer implementation.

media/webm/webm_constants.h

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MEDIA_WEBM_WEBM_CONSTANTS_H_
+#define MEDIA_WEBM_WEBM_CONSTANTS_H_
+
+// WebM element IDs.
+// This is a subset of the IDs in the Matroska spec.
+// http://www.matroska.org/technical/specs/index.html
+const int kWebMIdAspectRatioType = 0x54B3;
+const int kWebMIdAudio = 0xE1;
+const int kWebMIdBitDepth = 0x6264;
+const int kWebMIdBlock = 0xA1;
+const int kWebMIdBlockGroup = 0xA0;
+const int kWebMIdChannels = 0x9F;
+const int kWebMIdCluster = 0x1f43b675;
+const int kWebMIdCodecID = 0x86;
+const int kWebMIdCodecName = 0x258688;
+const int kWebMIdCodecPrivate = 0x63A2;
+const int kWebMIdDateUTC = 0x4461;
+const int kWebMIdDefaultDuration = 0x23E383;
+const int kWebMIdDisplayHeight = 0x54BA;
+const int kWebMIdDisplayUnit = 0x54B2;
+const int kWebMIdDisplayWidth = 0x54B0;
+const int kWebMIdDuration = 0x4489;
+const int kWebMIdFlagDefault = 0x88;
+const int kWebMIdFlagEnabled = 0xB9;
+const int kWebMIdFlagForced = 0x55AA;
+const int kWebMIdFlagInterlaced = 0x9A;
+const int kWebMIdFlagLacing = 0x9C;
+const int kWebMIdInfo = 0x1549A966;
+const int kWebMIdLanguage = 0x22B59C;
+const int kWebMIdMuxingApp = 0x4D80;
+const int kWebMIdName = 0x536E;
+const int kWebMIdOutputSamplingFrequency = 0x78B5;
+const int kWebMIdPixelCropBottom = 0x54AA;
+const int kWebMIdPixelCropLeft = 0x54CC;
+const int kWebMIdPixelCropRight = 0x54DD;
+const int kWebMIdPixelCropTop = 0x54BB;
+const int kWebMIdPixelHeight = 0xBA;
+const int kWebMIdPixelWidth = 0xB0;
+const int kWebMIdSamplingFrequency = 0xB5;
+const int kWebMIdSegmentUID = 0x73A4;
+const int kWebMIdSimpleBlock = 0xA3;
+const int kWebMIdStereoMode = 0x53B8;
+const int kWebMIdTimecode = 0xE7;
+const int kWebMIdTimecodeScale = 0x2AD7B1;
+const int kWebMIdTitle = 0x7BA9;
+const int kWebMIdTrackEntry = 0xAE;
+const int kWebMIdTrackNumber = 0xD7;
+const int kWebMIdTrackType = 0x83;
+const int kWebMIdTrackUID = 0x73C5;
+const int kWebMIdTracks = 0x1654AE6B;
+const int kWebMIdVideo = 0xE0;
+const int kWebMIdWritingApp = 0x5741;
+
+// Default timecode scale if the TimecodeScale element is
+// not specified in the INFO element.
+const int kWebMDefaultTimecodeScale = 1000000;
+
+// Values for TrackType element.
+const int kWebMTrackTypeVideo = 1;
+const int kWebMTrackTypeAudio = 2;
+
+#endif  // MEDIA_WEBM_WEBM_CONSTANTS_H_