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 */ |