diff options
Diffstat (limited to 'src/thirdparty/ZenLib/ZenLib/BitStream_LE.h')
| -rw-r--r-- | src/thirdparty/ZenLib/ZenLib/BitStream_LE.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/thirdparty/ZenLib/ZenLib/BitStream_LE.h b/src/thirdparty/ZenLib/ZenLib/BitStream_LE.h deleted file mode 100644 index 362427fbb..000000000 --- a/src/thirdparty/ZenLib/ZenLib/BitStream_LE.h +++ /dev/null @@ -1,133 +0,0 @@ -/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
- *
- * Use of this source code is governed by a zlib-style license that can
- * be found in the License.txt file in the root of the source tree.
- */
-
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-//
-// Read a stream bit per bit, Little Endian version (rarely used!!!)
-// Can read up to 32 bits at once
-//
-//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-
-//---------------------------------------------------------------------------
-#ifndef ZenBitStream_LEH
-#define ZenBitStream_LEH
-//---------------------------------------------------------------------------
-
-//---------------------------------------------------------------------------
-#include "ZenLib/BitStream.h"
-//---------------------------------------------------------------------------
-
-namespace ZenLib
-{
-
-class BitStream_LE : public BitStream
-{
-public:
- BitStream_LE () :BitStream() {};
- BitStream_LE (const int8u* Buffer_, size_t Size_) :BitStream(Buffer_, Size_) {};
-
- void Attach(const int8u* Buffer_, size_t Size_)
- {
- endbyte=0;
- endbit=0;
- buffer=Buffer_;
- ptr=Buffer_;
- storage=(long)Size_;
- };
-
- int32u Get (size_t HowMany)
- {
- ptr_BeforeLastCall=ptr;
-
- long ret;
- static const int32u Mask[33]={
- 0x00000000,
- 0x00000001, 0x00000003, 0x00000007, 0x0000000f,
- 0x0000001f, 0x0000003f, 0x0000007f, 0x000000ff,
- 0x000001ff, 0x000003ff, 0x000007ff, 0x00000fff,
- 0x00001fff, 0x00003fff, 0x00007fff, 0x0000ffff,
- 0x0001ffff, 0x0003ffff, 0x0007ffff, 0x000fffff,
- 0x001fffff, 0x003fffff, 0x007fffff, 0x00ffffff,
- 0x01ffffff, 0x03ffffff, 0x07ffffff, 0x0fffffff,
- 0x1fffffff, 0x3fffffff, 0x7fffffff, 0xffffffff,
- };
- unsigned long m=Mask[HowMany];
-
- HowMany+=endbit;
-
- if(endbyte+4>=storage){
- ret=-1L;
- if(endbyte*8+(long)HowMany>storage*8){
- Attach(NULL, 0);
- goto overflow;
- }
- }
-
- ret=ptr[0]>>endbit;
- if(HowMany>8){
- ret|=ptr[1]<<(8-endbit);
- if(HowMany>16){
- ret|=ptr[2]<<(16-endbit);
- if(HowMany>24){
- ret|=ptr[3]<<(24-endbit);
- if(HowMany>32 && endbit){
- ret|=ptr[4]<<(32-endbit);
- }
- }
- }
- }
- ret&=m;
-
- ptr+=HowMany/8;
- endbyte+=(long)HowMany/8;
- endbit=(long)HowMany&7;
-
- overflow:
-
- return(ret);
- };
-
- void Skip(size_t bits)
- {
- Get(bits);
- }
-
- int32u Remain () //How many bits remain?
- {
- return storage*8-(endbyte*8+endbit);
- };
-
- void Byte_Align()
- {
- };
-
- size_t Offset_Get()
- {
- return ptr-buffer;
- };
-
- size_t BitOffset_Get()
- {
- return endbit;
- };
-
- size_t OffsetBeforeLastCall_Get()
- {
- return ptr_BeforeLastCall-buffer;
- };
-
-private :
- long endbyte;
- int endbit;
-
- const unsigned char *buffer;
- const unsigned char *ptr;
- const unsigned char *ptr_BeforeLastCall;
- long storage;
-};
-
-} //namespace ZenLib
-#endif
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