--- a/videoeditorengine/mp3aacManipLib/inc/nok_bits.h Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,295 +0,0 @@
-/*
-* Copyright (c) 2010 Ixonos Plc.
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - Initial contribution
-*
-* Contributors:
-* Ixonos Plc
-*
-* Description:
-*
-*/
-
-
-/**************************************************************************
- nok_bits.h - Interface for bitstream handling.
-
- Author(s): Juha Ojanpera
- Copyright (c) 1999-2004 by Nokia Research Center, Audio-Visual Systems.
- *************************************************************************/
-
-#ifndef NOKBITSTREAM_H_
-#define NOKBITSTREAM_H_
-
-/*-- Project Headers. --*/
-#include "defines.h"
-
-/*-- Bitstream supports any length... --*/
-#define BITSMODULO_BUFFER
-
-#ifndef BITSMODULO_BUFFER
-#define MOD_OPCODE(x, y) (x & y)
-#else
-#define MOD_OPCODE(x, y) (x % y)
-#endif /*-- MODULO_BUFFER --*/
-
-const uint32 bsBitMask[] =
-{0x0, 0x1, 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF, 0xFFF,
- 0x1FFFL, 0x3FFFL, 0x7FFFL, 0xFFFFL, 0x1FFFFL, 0x3FFFFL, 0x7FFFFL, 0xFFFFFL,
- 0x1FFFFFL, 0x3FFFFFL, 0x7FFFFFL, 0xFFFFFFL, 0x1FFFFFFL, 0x3FFFFFFL, 0x7FFFFFFL,
- 0xFFFFFFFL, 0x1FFFFFFFL, 0x3FFFFFFFL, 0x7FFFFFFFL, 0xFFFFFFFFL};
-
-#ifdef BYTE_16bit
-typedef uint16 DSP_BYTE;
-#else
-typedef uint8 DSP_BYTE;
-#endif
-
-/**
- * Data structure for accessing bits from input bitstram.
- */
-typedef enum BYTE_MODE
-{
- BIT8 = 0,
- BIT16
-
-} BYTE_MODE;
-
-#define MAX_BUFS (1)
-
-typedef struct BufMapperStr
-{
- uint8 numBufs;
- uint8 **bsBuf;
- uint32 *bsBufLen;
- uint32 *bytesRead;
-
-} BufMapper;
-
-class TBitStream
-{
-public:
-
-
- /**
- * Bitstream (modulo/ring) buffer. */
- DSP_BYTE *dsp_buffer;
- uint8 *bit_buffer;
-
- /**
- * Number of bits in the data type.
- */
- int16 slotBits;
-
- /* Which bit buffer is to be used. */
- BYTE_MODE mode;
-
- /**
- * Size of the buffer.
- */
- uint32 buf_len;
-
- /**
- * Bit counter.
- */
- int16 bit_counter;
-
- /**
- * Read index.
- */
- uint32 buf_index;
-
- /**
- * Write index.
- */
- uint32 buf_writeIndex;
-
- /**
- * Bitmask for 'buf_index'.
- */
- uint32 buf_mask;
-
- /**
- * Number of bytes read from the buffer. This field will be used to check
- * whether there are enough bits in the buffer to result a successfull
- * decoding of current frame.
- */
- uint32 slots_read;
-
- /**
- * Number of bits read from the buffer. This will be resetted on a call-by-call
- * basis and therefore gives the number of bits that each call read from
- * the buffer. The buffer is updated according to this value.
- */
- uint32 bits_read;
-
-};
-
-/**
- * Bitstream manipulation methods.
- */
-
-
-/**
- * Initializes input bitstream.
- *
- * @param bs Bitstream handle
- * @param bit_buffer Input bitstream
- * @param size Size of input bitstream in bytes
- */
-IMPORT_C void BsInit(TBitStream *bs, uint8 *bit_buffer, uint32 size);
-
-IMPORT_C void BsInit1(TBitStream *bs, uint8 *bit_buffer, uint32 size);
-
-IMPORT_C void BsInit2(TBitStream *bs, DSP_BYTE *dsp_buffer, uint32 size);
-
-
-/**
- * Retrieves size of bitstream in bytes.
- *
- * @param bs Bitstream handle
- *
- * @return Size of bitstream
- */
-IMPORT_C uint32 BsGetBufSize(TBitStream *bs);
-
-IMPORT_C uint32 BsGetBufOriginalSize(TBitStream *bs);
-
-/**
- * Retrieves number of bits read from the bitstream.
- *
- * @param bs Bitstream handle
- */
-IMPORT_C uint32 BsGetBitsRead(TBitStream *bs);
-
-IMPORT_C void BsSetBitsRead(TBitStream *bs, uint32 bits_read);
-IMPORT_C void BsClearBitsRead(TBitStream *bs);
-
-/**
- * Resets bitstream.
- *
- * @param bs Bitstream handle
- */
-IMPORT_C void BsReset(TBitStream *bs);
-
-/**
- * Retrieves the number of bytes left in the bitstream.
- *
- * @param bs Bitstream handle
- *
- * @return Number of bytes left in the bitstream
- */
-IMPORT_C uint32 BsSlotsLeft(TBitStream *bs);
-
-/**
- * Appends bits from one bitstream to another bitstream.
- *
- * @param bs Source btstream handle
- * @param br Destination btstream handle
- * @param n Number of bytes to copy
- */
-IMPORT_C void BsMoveBytes(TBitStream *bs, TBitStream *br, int16 n);
-
-/**
- * Appends bits from one specified buffer to bitstream.
- *
- * @param bs Destination btstream handle
- * @param outBuf Source buffer
- * @param bytesToCopy Number of bytes to copy
- *
- * @return Number of bytes appended
- */
-IMPORT_C uint32 BsCopyBytes(TBitStream *bs, uint8 *outBuf, uint32 bytesToCopy);
-
-/**
- * Appends bits from one source to destination bitstream.
- *
- * @param bs Destination btstream handle
- * @param outBuf Source bitstream handle
- * @param bitsToCopy Number of bits to copy
- */
-IMPORT_C void
-BsCopyBits(TBitStream *bsSrc, TBitStream *bsDst, int32 bitsToCopy);
-
-/**
- * Rewinds the read index of the bitstream.
- *
- * @param bs Bitstream handle
- * @param n Number of bits to rewind
- */
-IMPORT_C void BsRewindNBits(TBitStream *bs, uint32 nBits);
-
-IMPORT_C void BsBufferUpdate(TBitStream *bs, int32 bytesRead);
-
-IMPORT_C void BsSaveBufState(TBitStream *bsSrc, TBitStream *bsDst);
-
-/**
- * Writes bits to bitstream.
- *
- * @param bs Bitstream handle
- * @param n Number of bits to write
- * @param word Data bits to write
- */
-IMPORT_C void BsPutBits(TBitStream *bs, int16 n, uint32 word);
-
-/**
- * Byte aligns bitstream by writing '0' bits.
- *
- * @param bs Bitstream handle
- *
- * @return Number of bits written
- */
-IMPORT_C int16 BsPutBitsByteAlign(TBitStream *bs);
-
-/**
- * Reads bits from bitstream.
- *
- * @param bs Bitstream handle
- * @param n Number of bits to read
- *
- * @return Read data bits
- */
-IMPORT_C uint32 BsGetBits(TBitStream *bs, int16 n);
-
-/**
- * Byte aligns bitstream by advanding read index.
- *
- * @param bs Bitstream handle
- *
- * @return Number of bits skipped
- */
-IMPORT_C int16 BsByteAlign(TBitStream *bs);
-
-/**
- * Reads bits from bitstream without updating read index.
- *
- * @param bs Bitstream handle
- * @param n Number of bits to lookahead
- *
- * @return Read data bits
- */
-IMPORT_C uint32 BsLookAhead(TBitStream *bs, int16 n);
-
-/**
- * Advances bitstream read index (8 bits at maximum!).
- *
- * @param bs Bitstream handle
- * @param n Number of bits to skip. Note that this can at maximum be 8 bits!
- */
-IMPORT_C void BsSkipBits(TBitStream *bs, int16 n);
-
-/**
- * Advances bitstream read index.
- *
- * @param bs Bitstream handle
- * @param n Number of bits to skip
- */
-IMPORT_C void BsSkipNBits(TBitStream *bs, int32 n);
-
-#endif /*-- BITSTREAM_H_ --*/