--- /dev/null
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef MKV_DEFS_HPP
+#define MKV_DEFS_HPP 1
+
+/* Commenting out values not available in webm, but available in matroska */
+
+enum mkv {
+ EBML = 0x1A45DFA3,
+ EBMLVersion = 0x4286,
+ EBMLReadVersion = 0x42F7,
+ EBMLMaxIDLength = 0x42F2,
+ EBMLMaxSizeLength = 0x42F3,
+ DocType = 0x4282,
+ DocTypeVersion = 0x4287,
+ DocTypeReadVersion = 0x4285,
+/* CRC_32 = 0xBF, */
+ Void = 0xEC,
+ SignatureSlot = 0x1B538667,
+ SignatureAlgo = 0x7E8A,
+ SignatureHash = 0x7E9A,
+ SignaturePublicKey = 0x7EA5,
+ Signature = 0x7EB5,
+ SignatureElements = 0x7E5B,
+ SignatureElementList = 0x7E7B,
+ SignedElement = 0x6532,
+ /* segment */
+ Segment = 0x18538067,
+ /* Meta Seek Information */
+ SeekHead = 0x114D9B74,
+ Seek = 0x4DBB,
+ SeekID = 0x53AB,
+ SeekPosition = 0x53AC,
+ /* Segment Information */
+ Info = 0x1549A966,
+/* SegmentUID = 0x73A4, */
+/* SegmentFilename = 0x7384, */
+/* PrevUID = 0x3CB923, */
+/* PrevFilename = 0x3C83AB, */
+/* NextUID = 0x3EB923, */
+/* NextFilename = 0x3E83BB, */
+/* SegmentFamily = 0x4444, */
+/* ChapterTranslate = 0x6924, */
+/* ChapterTranslateEditionUID = 0x69FC, */
+/* ChapterTranslateCodec = 0x69BF, */
+/* ChapterTranslateID = 0x69A5, */
+ TimecodeScale = 0x2AD7B1,
+ Segment_Duration = 0x4489,
+ DateUTC = 0x4461,
+/* Title = 0x7BA9, */
+ MuxingApp = 0x4D80,
+ WritingApp = 0x5741,
+ /* Cluster */
+ Cluster = 0x1F43B675,
+ Timecode = 0xE7,
+/* SilentTracks = 0x5854, */
+/* SilentTrackNumber = 0x58D7, */
+/* Position = 0xA7, */
+ PrevSize = 0xAB,
+ BlockGroup = 0xA0,
+ Block = 0xA1,
+/* BlockVirtual = 0xA2, */
+ BlockAdditions = 0x75A1,
+ BlockMore = 0xA6,
+ BlockAddID = 0xEE,
+ BlockAdditional = 0xA5,
+ BlockDuration = 0x9B,
+/* ReferencePriority = 0xFA, */
+ ReferenceBlock = 0xFB,
+/* ReferenceVirtual = 0xFD, */
+/* CodecState = 0xA4, */
+/* Slices = 0x8E, */
+/* TimeSlice = 0xE8, */
+ LaceNumber = 0xCC,
+/* FrameNumber = 0xCD, */
+/* BlockAdditionID = 0xCB, */
+/* MkvDelay = 0xCE, */
+/* Cluster_Duration = 0xCF, */
+ SimpleBlock = 0xA3,
+/* EncryptedBlock = 0xAF, */
+ /* Track */
+ Tracks = 0x1654AE6B,
+ TrackEntry = 0xAE,
+ TrackNumber = 0xD7,
+ TrackUID = 0x73C5,
+ TrackType = 0x83,
+ FlagEnabled = 0xB9,
+ FlagDefault = 0x88,
+ FlagForced = 0x55AA,
+ FlagLacing = 0x9C,
+/* MinCache = 0x6DE7, */
+/* MaxCache = 0x6DF8, */
+ DefaultDuration = 0x23E383,
+/* TrackTimecodeScale = 0x23314F, */
+/* TrackOffset = 0x537F, */
+ MaxBlockAdditionID = 0x55EE,
+ Name = 0x536E,
+ Language = 0x22B59C,
+ CodecID = 0x86,
+ CodecPrivate = 0x63A2,
+ CodecName = 0x258688,
+/* AttachmentLink = 0x7446, */
+/* CodecSettings = 0x3A9697, */
+/* CodecInfoURL = 0x3B4040, */
+/* CodecDownloadURL = 0x26B240, */
+/* CodecDecodeAll = 0xAA, */
+/* TrackOverlay = 0x6FAB, */
+/* TrackTranslate = 0x6624, */
+/* TrackTranslateEditionUID = 0x66FC, */
+/* TrackTranslateCodec = 0x66BF, */
+/* TrackTranslateTrackID = 0x66A5, */
+ /* video */
+ Video = 0xE0,
+ FlagInterlaced = 0x9A,
+ StereoMode = 0x53B8,
+ AlphaMode = 0x53C0,
+ PixelWidth = 0xB0,
+ PixelHeight = 0xBA,
+ PixelCropBottom = 0x54AA,
+ PixelCropTop = 0x54BB,
+ PixelCropLeft = 0x54CC,
+ PixelCropRight = 0x54DD,
+ DisplayWidth = 0x54B0,
+ DisplayHeight = 0x54BA,
+ DisplayUnit = 0x54B2,
+ AspectRatioType = 0x54B3,
+/* ColourSpace = 0x2EB524, */
+/* GammaValue = 0x2FB523, */
+ FrameRate = 0x2383E3,
+ /* end video */
+ /* audio */
+ Audio = 0xE1,
+ SamplingFrequency = 0xB5,
+ OutputSamplingFrequency = 0x78B5,
+ Channels = 0x9F,
+/* ChannelPositions = 0x7D7B, */
+ BitDepth = 0x6264,
+ /* end audio */
+ /* content encoding */
+/* ContentEncodings = 0x6d80, */
+/* ContentEncoding = 0x6240, */
+/* ContentEncodingOrder = 0x5031, */
+/* ContentEncodingScope = 0x5032, */
+/* ContentEncodingType = 0x5033, */
+/* ContentCompression = 0x5034, */
+/* ContentCompAlgo = 0x4254, */
+/* ContentCompSettings = 0x4255, */
+/* ContentEncryption = 0x5035, */
+/* ContentEncAlgo = 0x47e1, */
+/* ContentEncKeyID = 0x47e2, */
+/* ContentSignature = 0x47e3, */
+/* ContentSigKeyID = 0x47e4, */
+/* ContentSigAlgo = 0x47e5, */
+/* ContentSigHashAlgo = 0x47e6, */
+ /* end content encoding */
+ /* Cueing Data */
+ Cues = 0x1C53BB6B,
+ CuePoint = 0xBB,
+ CueTime = 0xB3,
+ CueTrackPositions = 0xB7,
+ CueTrack = 0xF7,
+ CueClusterPosition = 0xF1,
+ CueBlockNumber = 0x5378
+/* CueCodecState = 0xEA, */
+/* CueReference = 0xDB, */
+/* CueRefTime = 0x96, */
+/* CueRefCluster = 0x97, */
+/* CueRefNumber = 0x535F, */
+/* CueRefCodecState = 0xEB, */
+ /* Attachment */
+/* Attachments = 0x1941A469, */
+/* AttachedFile = 0x61A7, */
+/* FileDescription = 0x467E, */
+/* FileName = 0x466E, */
+/* FileMimeType = 0x4660, */
+/* FileData = 0x465C, */
+/* FileUID = 0x46AE, */
+/* FileReferral = 0x4675, */
+ /* Chapters */
+/* Chapters = 0x1043A770, */
+/* EditionEntry = 0x45B9, */
+/* EditionUID = 0x45BC, */
+/* EditionFlagHidden = 0x45BD, */
+/* EditionFlagDefault = 0x45DB, */
+/* EditionFlagOrdered = 0x45DD, */
+/* ChapterAtom = 0xB6, */
+/* ChapterUID = 0x73C4, */
+/* ChapterTimeStart = 0x91, */
+/* ChapterTimeEnd = 0x92, */
+/* ChapterFlagHidden = 0x98, */
+/* ChapterFlagEnabled = 0x4598, */
+/* ChapterSegmentUID = 0x6E67, */
+/* ChapterSegmentEditionUID = 0x6EBC, */
+/* ChapterPhysicalEquiv = 0x63C3, */
+/* ChapterTrack = 0x8F, */
+/* ChapterTrackNumber = 0x89, */
+/* ChapterDisplay = 0x80, */
+/* ChapString = 0x85, */
+/* ChapLanguage = 0x437C, */
+/* ChapCountry = 0x437E, */
+/* ChapProcess = 0x6944, */
+/* ChapProcessCodecID = 0x6955, */
+/* ChapProcessPrivate = 0x450D, */
+/* ChapProcessCommand = 0x6911, */
+/* ChapProcessTime = 0x6922, */
+/* ChapProcessData = 0x6933, */
+ /* Tagging */
+/* Tags = 0x1254C367, */
+/* Tag = 0x7373, */
+/* Targets = 0x63C0, */
+/* TargetTypeValue = 0x68CA, */
+/* TargetType = 0x63CA, */
+/* Tagging_TrackUID = 0x63C5, */
+/* Tagging_EditionUID = 0x63C9, */
+/* Tagging_ChapterUID = 0x63C4, */
+/* AttachmentUID = 0x63C6, */
+/* SimpleTag = 0x67C8, */
+/* TagName = 0x45A3, */
+/* TagLanguage = 0x447A, */
+/* TagDefault = 0x4484, */
+/* TagString = 0x4487, */
+/* TagBinary = 0x4485, */
+};
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#include "EbmlWriter.h"
+#include <stdlib.h>
+#include <wchar.h>
+#include <string.h>
+#include <limits.h>
+#if defined(_MSC_VER)
+#define LITERALU64(n) n
+#else
+#define LITERALU64(n) n##LLU
+#endif
+
+void Ebml_WriteLen(EbmlGlobal *glob, int64_t val) {
+ /* TODO check and make sure we are not > than 0x0100000000000000LLU */
+ unsigned char size = 8; /* size in bytes to output */
+
+ /* mask to compare for byte size */
+ int64_t minVal = 0xff;
+
+ for (size = 1; size < 8; size ++) {
+ if (val < minVal)
+ break;
+
+ minVal = (minVal << 7);
+ }
+
+ val |= (((uint64_t)0x80) << ((size - 1) * 7));
+
+ Ebml_Serialize(glob, (void *) &val, sizeof(val), size);
+}
+
+void Ebml_WriteString(EbmlGlobal *glob, const char *str) {
+ const size_t size_ = strlen(str);
+ const uint64_t size = size_;
+ Ebml_WriteLen(glob, size);
+ /* TODO: it's not clear from the spec whether the nul terminator
+ * should be serialized too. For now we omit the null terminator.
+ */
+ Ebml_Write(glob, str, (unsigned long)size);
+}
+
+void Ebml_WriteUTF8(EbmlGlobal *glob, const wchar_t *wstr) {
+ const size_t strlen = wcslen(wstr);
+
+ /* TODO: it's not clear from the spec whether the nul terminator
+ * should be serialized too. For now we include it.
+ */
+ const uint64_t size = strlen;
+
+ Ebml_WriteLen(glob, size);
+ Ebml_Write(glob, wstr, (unsigned long)size);
+}
+
+void Ebml_WriteID(EbmlGlobal *glob, unsigned long class_id) {
+ int len;
+
+ if (class_id >= 0x01000000)
+ len = 4;
+ else if (class_id >= 0x00010000)
+ len = 3;
+ else if (class_id >= 0x00000100)
+ len = 2;
+ else
+ len = 1;
+
+ Ebml_Serialize(glob, (void *)&class_id, sizeof(class_id), len);
+}
+
+void Ebml_SerializeUnsigned64(EbmlGlobal *glob, unsigned long class_id, uint64_t ui) {
+ unsigned char sizeSerialized = 8 | 0x80;
+ Ebml_WriteID(glob, class_id);
+ Ebml_Serialize(glob, &sizeSerialized, sizeof(sizeSerialized), 1);
+ Ebml_Serialize(glob, &ui, sizeof(ui), 8);
+}
+
+void Ebml_SerializeUnsigned(EbmlGlobal *glob, unsigned long class_id, unsigned long ui) {
+ unsigned char size = 8; /* size in bytes to output */
+ unsigned char sizeSerialized = 0;
+ unsigned long minVal;
+
+ Ebml_WriteID(glob, class_id);
+ minVal = 0x7fLU; /* mask to compare for byte size */
+
+ for (size = 1; size < 4; size ++) {
+ if (ui < minVal) {
+ break;
+ }
+
+ minVal <<= 7;
+ }
+
+ sizeSerialized = 0x80 | size;
+ Ebml_Serialize(glob, &sizeSerialized, sizeof(sizeSerialized), 1);
+ Ebml_Serialize(glob, &ui, sizeof(ui), size);
+}
+/* TODO: perhaps this is a poor name for this id serializer helper function */
+void Ebml_SerializeBinary(EbmlGlobal *glob, unsigned long class_id, unsigned long bin) {
+ int size;
+ for (size = 4; size > 1; size--) {
+ if (bin & (unsigned int)0x000000ff << ((size - 1) * 8))
+ break;
+ }
+ Ebml_WriteID(glob, class_id);
+ Ebml_WriteLen(glob, size);
+ Ebml_WriteID(glob, bin);
+}
+
+void Ebml_SerializeFloat(EbmlGlobal *glob, unsigned long class_id, double d) {
+ unsigned char len = 0x88;
+
+ Ebml_WriteID(glob, class_id);
+ Ebml_Serialize(glob, &len, sizeof(len), 1);
+ Ebml_Serialize(glob, &d, sizeof(d), 8);
+}
+
+void Ebml_WriteSigned16(EbmlGlobal *glob, short val) {
+ signed long out = ((val & 0x003FFFFF) | 0x00200000) << 8;
+ Ebml_Serialize(glob, &out, sizeof(out), 3);
+}
+
+void Ebml_SerializeString(EbmlGlobal *glob, unsigned long class_id, const char *s) {
+ Ebml_WriteID(glob, class_id);
+ Ebml_WriteString(glob, s);
+}
+
+void Ebml_SerializeUTF8(EbmlGlobal *glob, unsigned long class_id, wchar_t *s) {
+ Ebml_WriteID(glob, class_id);
+ Ebml_WriteUTF8(glob, s);
+}
+
+void Ebml_SerializeData(EbmlGlobal *glob, unsigned long class_id, unsigned char *data, unsigned long data_length) {
+ Ebml_WriteID(glob, class_id);
+ Ebml_WriteLen(glob, data_length);
+ Ebml_Write(glob, data, data_length);
+}
+
+void Ebml_WriteVoid(EbmlGlobal *glob, unsigned long vSize) {
+ unsigned char tmp = 0;
+ unsigned long i = 0;
+
+ Ebml_WriteID(glob, 0xEC);
+ Ebml_WriteLen(glob, vSize);
+
+ for (i = 0; i < vSize; i++) {
+ Ebml_Write(glob, &tmp, 1);
+ }
+}
+
+/* TODO Serialize Date */
--- /dev/null
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef EBMLWRITER_HPP
+#define EBMLWRITER_HPP
+#include <stddef.h>
+#include "vpx/vpx_integer.h"
+
+/* note: you must define write and serialize functions as well as your own
+ * EBML_GLOBAL
+ *
+ * These functions MUST be implemented
+ */
+
+typedef struct EbmlGlobal EbmlGlobal;
+void Ebml_Serialize(EbmlGlobal *glob, const void *, int, unsigned long);
+void Ebml_Write(EbmlGlobal *glob, const void *, unsigned long);
+
+/*****/
+
+void Ebml_WriteLen(EbmlGlobal *glob, int64_t val);
+void Ebml_WriteString(EbmlGlobal *glob, const char *str);
+void Ebml_WriteUTF8(EbmlGlobal *glob, const wchar_t *wstr);
+void Ebml_WriteID(EbmlGlobal *glob, unsigned long class_id);
+void Ebml_SerializeUnsigned64(EbmlGlobal *glob, unsigned long class_id, uint64_t ui);
+void Ebml_SerializeUnsigned(EbmlGlobal *glob, unsigned long class_id, unsigned long ui);
+void Ebml_SerializeBinary(EbmlGlobal *glob, unsigned long class_id, unsigned long ui);
+void Ebml_SerializeFloat(EbmlGlobal *glob, unsigned long class_id, double d);
+/* TODO make this more generic to signed */
+void Ebml_WriteSigned16(EbmlGlobal *glob, short val);
+void Ebml_SerializeString(EbmlGlobal *glob, unsigned long class_id, const char *s);
+void Ebml_SerializeUTF8(EbmlGlobal *glob, unsigned long class_id, wchar_t *s);
+void Ebml_SerializeData(EbmlGlobal *glob, unsigned long class_id, unsigned char *data, unsigned long data_length);
+void Ebml_WriteVoid(EbmlGlobal *glob, unsigned long vSize);
+/* TODO need date function */
+#endif
projects / libvpx / commitdiff