libvpx: Pull from upstream

source/libvpx/third_party/libmkv/EbmlWriter.c

Index: source/libvpx/third_party/libmkv/EbmlWriter.c
===================================================================
--- source/libvpx/third_party/libmkv/EbmlWriter.c	(revision 278778)
+++ source/libvpx/third_party/libmkv/EbmlWriter.c	(working copy)
@@ -1,157 +0,0 @@
-/*
- *  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 */