Commit 0907cb6b authored by Dmitry Kovalev's avatar Dmitry Kovalev

Removing unused third-party libraries.

We use libwebm instead of libmkv and nestegg.

Change-Id: I339eae081061c2e3eb8b234f14ae1bc846f85011
parent b59b3241
// #include <strmif.h>
#include "EbmlBufferWriter.h"
#include "EbmlWriter.h"
// #include <cassert>
// #include <limits>
// #include <malloc.h> //_alloca
#include <stdlib.h>
#include <wchar.h>
#include <string.h>
void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len) {
unsigned char *src = glob->buf;
src += glob->offset;
memcpy(src, buffer_in, len);
glob->offset += len;
}
static void _Serialize(EbmlGlobal *glob, const unsigned char *p, const unsigned char *q) {
while (q != p) {
--q;
memcpy(&(glob->buf[glob->offset]), q, 1);
glob->offset++;
}
}
void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, unsigned long len) {
// assert(buf);
const unsigned char *const p = (const unsigned char *)(buffer_in);
const unsigned char *const q = p + len;
_Serialize(glob, p, q);
}
void Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc, unsigned long class_id) {
Ebml_WriteID(glob, class_id);
ebmlLoc->offset = glob->offset;
// todo this is always taking 8 bytes, this may need later optimization
unsigned long long unknownLen = 0x01FFFFFFFFFFFFFFLLU;
Ebml_Serialize(glob, (void *)&unknownLen, 8); // this is a key that says lenght unknown
}
void Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc) {
unsigned long long size = glob->offset - ebmlLoc->offset - 8;
unsigned long long curOffset = glob->offset;
glob->offset = ebmlLoc->offset;
size |= 0x0100000000000000LLU;
Ebml_Serialize(glob, &size, 8);
glob->offset = curOffset;
}
#ifndef EBMLBUFFERWRITER_HPP
#define EBMLBUFFERWRITER_HPP
typedef struct {
unsigned long long offset;
} EbmlLoc;
typedef struct {
unsigned char *buf;
unsigned int length;
unsigned int offset;
} EbmlGlobal;
void Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc, unsigned long class_id);
void Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc);
#endif
/*
* 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
/*
* 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 */
/*
* 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
#Variables
CC=gcc
LINKER=gcc
FLAGS=-g -Wall
all: testlibmkv
#Build Targets
EbmlWriter.o: EbmlWriter.c EbmlWriter.h
$(CC) $(FLAGS) -c EbmlWriter.c
EbmlBufferWriter.o: EbmlBufferWriter.c EbmlBufferWriter.h
$(CC) $(FLAGS) -c EbmlBufferWriter.c
WebMElement.o: WebMElement.c WebMElement.h
$(CC) $(FLAGS) -c WebMElement.c
testlibmkv.o: testlibmkv.c
$(CC) $(FLAGS) -c testlibmkv.c
testlibmkv: testlibmkv.o WebMElement.o EbmlBufferWriter.o EbmlWriter.o
$(LINKER) $(FLAGS) -o testlibmkv testlibmkv.o WebMElement.o EbmlBufferWriter.o EbmlWriter.o
clean:
rm -rf *.o testlibmkv
// 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 "EbmlBufferWriter.h"
#include "EbmlIDs.h"
#include "WebMElement.h"
#include <stdio.h>
#include "vpx/vpx_integer.h"
#define kVorbisPrivateMaxSize 4000
void writeHeader(EbmlGlobal *glob) {
EbmlLoc start;
Ebml_StartSubElement(glob, &start, EBML);
Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); // EBML Read Version
Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); // EBML Max ID Length
Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); // EBML Max Size Length
Ebml_SerializeString(glob, DocType, "webm"); // Doc Type
Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); // Doc Type Version
Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); // Doc Type Read Version
Ebml_EndSubElement(glob, &start);
}
void writeSimpleBlock(EbmlGlobal *glob, unsigned char trackNumber, short timeCode,
int isKeyframe, unsigned char lacingFlag, int discardable,
unsigned char *data, unsigned long dataLength) {
Ebml_WriteID(glob, SimpleBlock);
unsigned long blockLength = 4 + dataLength;
blockLength |= 0x10000000; // TODO check length < 0x0FFFFFFFF
Ebml_Serialize(glob, &blockLength, sizeof(blockLength), 4);
trackNumber |= 0x80; // TODO check track nubmer < 128
Ebml_Write(glob, &trackNumber, 1);
// Ebml_WriteSigned16(glob, timeCode,2); //this is 3 bytes
Ebml_Serialize(glob, &timeCode, sizeof(timeCode), 2);
unsigned char flags = 0x00 | (isKeyframe ? 0x80 : 0x00) | (lacingFlag << 1) | discardable;
Ebml_Write(glob, &flags, 1);
Ebml_Write(glob, data, dataLength);
}
static uint64_t generateTrackID(unsigned int trackNumber) {
uint64_t t = time(NULL) * trackNumber;
uint64_t r = rand();
r = r << 32;
r += rand();
uint64_t rval = t ^ r;
return rval;
}
void writeVideoTrack(EbmlGlobal *glob, unsigned int trackNumber,
int flagLacing, const char *codecId,
unsigned int pixelWidth, unsigned int pixelHeight,
double frameRate) {
EbmlLoc start;
Ebml_StartSubElement(glob, &start, TrackEntry);
Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
uint64_t trackID = generateTrackID(trackNumber);
Ebml_SerializeUnsigned(glob, TrackUID, trackID);
Ebml_SerializeString(glob, CodecName, "VP8"); // TODO shouldn't be fixed
Ebml_SerializeUnsigned(glob, TrackType, 1); // video is always 1
Ebml_SerializeString(glob, CodecID, codecId);
{
EbmlLoc videoStart;
Ebml_StartSubElement(glob, &videoStart, Video);
Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
Ebml_SerializeFloat(glob, FrameRate, frameRate);
Ebml_EndSubElement(glob, &videoStart); // Video
}
Ebml_EndSubElement(glob, &start); // Track Entry
}
void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber,
int flagLacing, const char *codecId,
double samplingFrequency, unsigned int channels,
unsigned char *private, unsigned long privateSize) {
EbmlLoc start;
Ebml_StartSubElement(glob, &start, TrackEntry);
Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
uint64_t trackID = generateTrackID(trackNumber);
Ebml_SerializeUnsigned(glob, TrackUID, trackID);
Ebml_SerializeUnsigned(glob, TrackType, 2); // audio is always 2
// I am using defaults for thesed required fields
/* Ebml_SerializeUnsigned(glob, FlagEnabled, 1);
Ebml_SerializeUnsigned(glob, FlagDefault, 1);
Ebml_SerializeUnsigned(glob, FlagForced, 1);
Ebml_SerializeUnsigned(glob, FlagLacing, flagLacing);*/
Ebml_SerializeString(glob, CodecID, codecId);
Ebml_SerializeData(glob, CodecPrivate, private, privateSize);
Ebml_SerializeString(glob, CodecName, "VORBIS"); // fixed for now
{
EbmlLoc AudioStart;
Ebml_StartSubElement(glob, &AudioStart, Audio);
Ebml_SerializeFloat(glob, SamplingFrequency, samplingFrequency);
Ebml_SerializeUnsigned(glob, Channels, channels);
Ebml_EndSubElement(glob, &AudioStart);
}
Ebml_EndSubElement(glob, &start);
}
void writeSegmentInformation(EbmlGlobal *ebml, EbmlLoc *startInfo, unsigned long timeCodeScale, double duration) {
Ebml_StartSubElement(ebml, startInfo, Info);
Ebml_SerializeUnsigned(ebml, TimecodeScale, timeCodeScale);
Ebml_SerializeFloat(ebml, Segment_Duration, duration * 1000.0); // Currently fixed to using milliseconds
Ebml_SerializeString(ebml, 0x4D80, "QTmuxingAppLibWebM-0.0.1");
Ebml_SerializeString(ebml, 0x5741, "QTwritingAppLibWebM-0.0.1");
Ebml_EndSubElement(ebml, startInfo);
}
/*
void Mkv_InitializeSegment(Ebml& ebml_out, EbmlLoc& ebmlLoc)
{
Ebml_StartSubElement(ebml_out, ebmlLoc, 0x18538067);
}
void Mkv_InitializeSeek(Ebml& ebml_out, EbmlLoc& ebmlLoc)
{
Ebml_StartSubElement(ebml_out, ebmlLoc, 0x114d9b74);
}
void Mkv_WriteSeekInformation(Ebml& ebml_out, SeekStruct& seekInformation)
{
EbmlLoc ebmlLoc;
Ebml_StartSubElement(ebml_out, ebmlLoc, 0x4dbb);
Ebml_SerializeString(ebml_out, 0x53ab, seekInformation.SeekID);
Ebml_SerializeUnsigned(ebml_out, 0x53ac, seekInformation.SeekPosition);
Ebml_EndSubElement(ebml_out, ebmlLoc);
}
void Mkv_WriteSegmentInformation(Ebml& ebml_out, SegmentInformationStruct& segmentInformation)
{
Ebml_SerializeUnsigned(ebml_out, 0x73a4, segmentInformation.segmentUID);
if (segmentInformation.filename != 0)
Ebml_SerializeString(ebml_out, 0x7384, segmentInformation.filename);
Ebml_SerializeUnsigned(ebml_out, 0x2AD7B1, segmentInformation.TimecodeScale);
Ebml_SerializeUnsigned(ebml_out, 0x4489, segmentInformation.Duration);
// TODO date
Ebml_SerializeWString(ebml_out, 0x4D80, L"MKVMUX");
Ebml_SerializeWString(ebml_out, 0x5741, segmentInformation.WritingApp);
}
void Mkv_InitializeTrack(Ebml& ebml_out, EbmlLoc& ebmlLoc)
{
Ebml_StartSubElement(ebml_out, ebmlLoc, 0x1654AE6B);
}
static void Mkv_WriteGenericTrackData(Ebml& ebml_out, TrackStruct& track)
{
Ebml_SerializeUnsigned(ebml_out, 0xD7, track.TrackNumber);
Ebml_SerializeUnsigned(ebml_out, 0x73C5, track.TrackUID);
Ebml_SerializeUnsigned(ebml_out, 0x83, track.TrackType);
Ebml_SerializeUnsigned(ebml_out, 0xB9, track.FlagEnabled ? 1 :0);
Ebml_SerializeUnsigned(ebml_out, 0x88, track.FlagDefault ? 1 :0);
Ebml_SerializeUnsigned(ebml_out, 0x55AA, track.FlagForced ? 1 :0);
if (track.Language != 0)
Ebml_SerializeString(ebml_out, 0x22B59C, track.Language);
if (track.CodecID != 0)
Ebml_SerializeString(ebml_out, 0x86, track.CodecID);
if (track.CodecPrivate != 0)
Ebml_SerializeData(ebml_out, 0x63A2, track.CodecPrivate, track.CodecPrivateLength);
if (track.CodecName != 0)
Ebml_SerializeWString(ebml_out, 0x258688, track.CodecName);
}
void Mkv_WriteVideoTrack(Ebml& ebml_out, TrackStruct & track, VideoTrackStruct& video)
{
EbmlLoc trackHeadLoc, videoHeadLoc;
Ebml_StartSubElement(ebml_out, trackHeadLoc, 0xAE); // start Track
Mkv_WriteGenericTrackData(ebml_out, track);
Ebml_StartSubElement(ebml_out, videoHeadLoc, 0xE0); // start Video
Ebml_SerializeUnsigned(ebml_out, 0x9A, video.FlagInterlaced ? 1 :0);
Ebml_SerializeUnsigned(ebml_out, 0xB0, video.PixelWidth);
Ebml_SerializeUnsigned(ebml_out, 0xBA, video.PixelHeight);
Ebml_SerializeUnsigned(ebml_out, 0x54B0, video.PixelDisplayWidth);
Ebml_SerializeUnsigned(ebml_out, 0x54BA, video.PixelDisplayHeight);
Ebml_SerializeUnsigned(ebml_out, 0x54B2, video.displayUnit);
Ebml_SerializeFloat(ebml_out, 0x2383E3, video.FrameRate);
Ebml_EndSubElement(ebml_out, videoHeadLoc);
Ebml_EndSubElement(ebml_out, trackHeadLoc);
}
void Mkv_WriteAudioTrack(Ebml& ebml_out, TrackStruct & track, AudioTrackStruct& video)
{
EbmlLoc trackHeadLoc, audioHeadLoc;
Ebml_StartSubElement(ebml_out, trackHeadLoc, 0xAE);