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_ */