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-rw-r--r--src/adpcm/adpcm_old.cpp358
-rw-r--r--src/adpcm/adpcm_old.h22
2 files changed, 0 insertions, 380 deletions
diff --git a/src/adpcm/adpcm_old.cpp b/src/adpcm/adpcm_old.cpp
deleted file mode 100644
index 916fa38..0000000
--- a/src/adpcm/adpcm_old.cpp
+++ /dev/null
@@ -1,358 +0,0 @@
-/*****************************************************************************/
-/* adpcm.cpp Copyright (c) Ladislav Zezula 2003 */
-/*---------------------------------------------------------------------------*/
-/* This module contains implementation of adpcm decompression method used by */
-/* Storm.dll to decompress WAVE files. Thanks to Tom Amigo for releasing */
-/* his sources. */
-/*---------------------------------------------------------------------------*/
-/* Date Ver Who Comment */
-/* -------- ---- --- ------- */
-/* 11.03.03 1.00 Lad Splitted from Pkware.cpp */
-/* 20.05.03 2.00 Lad Added compression */
-/* 19.11.03 2.01 Dan Big endian handling */
-/*****************************************************************************/
-
-#include "adpcm.h"
-
-//------------------------------------------------------------------------------
-// Structures
-
-typedef union _BYTE_AND_WORD_PTR
-{
- short * pw;
- unsigned char * pb;
-} BYTE_AND_WORD_PTR;
-
-typedef union _WORD_AND_BYTE_ARRAY
-{
- short w;
- unsigned char b[2];
-} WORD_AND_BYTE_ARRAY;
-
-//-----------------------------------------------------------------------------
-// Tables necessary dor decompression
-
-static long Table1503F120[] =
-{
- 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF, 0x00000004, 0xFFFFFFFF, 0x00000002, 0xFFFFFFFF, 0x00000006,
- 0xFFFFFFFF, 0x00000001, 0xFFFFFFFF, 0x00000005, 0xFFFFFFFF, 0x00000003, 0xFFFFFFFF, 0x00000007,
- 0xFFFFFFFF, 0x00000001, 0xFFFFFFFF, 0x00000005, 0xFFFFFFFF, 0x00000003, 0xFFFFFFFF, 0x00000007,
- 0xFFFFFFFF, 0x00000002, 0xFFFFFFFF, 0x00000004, 0xFFFFFFFF, 0x00000006, 0xFFFFFFFF, 0x00000008
-};
-
-static long step_table[] =
-{
- 0x00000007, 0x00000008, 0x00000009, 0x0000000A, 0x0000000B, 0x0000000C, 0x0000000D, 0x0000000E,
- 0x00000010, 0x00000011, 0x00000013, 0x00000015, 0x00000017, 0x00000019, 0x0000001C, 0x0000001F,
- 0x00000022, 0x00000025, 0x00000029, 0x0000002D, 0x00000032, 0x00000037, 0x0000003C, 0x00000042,
- 0x00000049, 0x00000050, 0x00000058, 0x00000061, 0x0000006B, 0x00000076, 0x00000082, 0x0000008F,
- 0x0000009D, 0x000000AD, 0x000000BE, 0x000000D1, 0x000000E6, 0x000000FD, 0x00000117, 0x00000133,
- 0x00000151, 0x00000173, 0x00000198, 0x000001C1, 0x000001EE, 0x00000220, 0x00000256, 0x00000292,
- 0x000002D4, 0x0000031C, 0x0000036C, 0x000003C3, 0x00000424, 0x0000048E, 0x00000502, 0x00000583,
- 0x00000610, 0x000006AB, 0x00000756, 0x00000812, 0x000008E0, 0x000009C3, 0x00000ABD, 0x00000BD0,
- 0x00000CFF, 0x00000E4C, 0x00000FBA, 0x0000114C, 0x00001307, 0x000014EE, 0x00001706, 0x00001954,
- 0x00001BDC, 0x00001EA5, 0x000021B6, 0x00002515, 0x000028CA, 0x00002CDF, 0x0000315B, 0x0000364B,
- 0x00003BB9, 0x000041B2, 0x00004844, 0x00004F7E, 0x00005771, 0x0000602F, 0x000069CE, 0x00007462,
- 0x00007FFF
-};
-
-//----------------------------------------------------------------------------
-// CompressWave
-
-// 1500EF70
-int CompressADPCM(unsigned char * pbOutBuffer, int dwOutLength, short * pwInBuffer, int dwInLength, int nChannels, int nCmpLevel)
-// ECX EDX
-{
- WORD_AND_BYTE_ARRAY Wcmp;
- BYTE_AND_WORD_PTR out; // Pointer to the output buffer
- long SInt32Array1[2];
- long SInt32Array2[2];
- long SInt32Array3[2];
- long nBytesRemains = dwOutLength; // Number of bytes remaining
- long nWordsRemains; // Number of words remaining
-// unsigned char * pbSaveOutBuffer; // Copy of output buffer (actually not used)
- unsigned long dwBitBuff;
- unsigned long dwStopBit;
- unsigned long dwBit;
- unsigned long ebx;
- unsigned long esi;
- long nTableValue;
- long nOneWord;
- long var_1C;
- long var_2C;
- int nLength;
- int nIndex;
- int nValue;
- int i, chnl;
-
- // If less than 2 bytes remain, don't decompress anything
-// pbSaveOutBuffer = pbOutBuffer;
- out.pb = pbOutBuffer;
- if(nBytesRemains < 2)
- return 2;
-
- Wcmp.b[1] = (unsigned char)(nCmpLevel - 1);
- Wcmp.b[0] = (unsigned char)0;
-
- *out.pw++ = BSWAP_INT16_SIGNED(Wcmp.w);
- if((out.pb - pbOutBuffer + (nChannels * 2)) > nBytesRemains)
- return (int)(out.pb - pbOutBuffer + (nChannels * 2));
-
- SInt32Array1[0] = SInt32Array1[1] = 0x2C;
-
- for(i = 0; i < nChannels; i++)
- {
- nOneWord = BSWAP_INT16_SIGNED(*pwInBuffer++);
- *out.pw++ = BSWAP_INT16_SIGNED((short)nOneWord);
- SInt32Array2[i] = nOneWord;
- }
-
- // Weird. But it's there
- nLength = dwInLength;
- if(nLength < 0) // mov eax, dwInLength; cdq; sub eax, edx;
- nLength++;
-
- nLength = (nLength / 2) - (int)(out.pb - pbOutBuffer);
- nLength = (nLength < 0) ? 0 : nLength;
-
- nIndex = nChannels - 1; // edi
- nWordsRemains = dwInLength / 2; // eax
-
- // ebx - nChannels
- // ecx - pwOutPos
- for(chnl = nChannels; chnl < nWordsRemains; chnl++)
- {
- // 1500F030
- if((out.pb - pbOutBuffer + 2) > nBytesRemains)
- return (int)(out.pb - pbOutBuffer + 2);
-
- // Switch index
- if(nChannels == 2)
- nIndex = (nIndex == 0) ? 1 : 0;
-
- // Load one word from the input stream
- nOneWord = BSWAP_INT16_SIGNED(*pwInBuffer++); // ecx - nOneWord
- SInt32Array3[nIndex] = nOneWord;
-
- // esi - SInt32Array2[nIndex]
- // eax - nValue
- nValue = nOneWord - SInt32Array2[nIndex];
- nValue = (nValue < 0) ? ((nValue ^ 0xFFFFFFFF) + 1) : nValue;
-
- ebx = (nOneWord >= SInt32Array2[nIndex]) ? 0 : 0x40;
-
- // esi - SInt32Array2[nIndex]
- // edx - step_table[SInt32Array2[nIndex]]
- // edi - (step_table[SInt32Array1[nIndex]] >> nCmpLevel)
- nTableValue = step_table[SInt32Array1[nIndex]];
- dwStopBit = (unsigned long)nCmpLevel;
-
- // edi - nIndex;
- if(nValue < (nTableValue >> nCmpLevel))
- {
- if(SInt32Array1[nIndex] != 0)
- SInt32Array1[nIndex]--;
- *out.pb++ = 0x80;
- }
- else
- {
- while(nValue > nTableValue * 2)
- {
- if(SInt32Array1[nIndex] >= 0x58 || nLength == 0)
- break;
-
- SInt32Array1[nIndex] += 8;
- if(SInt32Array1[nIndex] > 0x58)
- SInt32Array1[nIndex] = 0x58;
-
- nTableValue = step_table[SInt32Array1[nIndex]];
- *out.pb++ = 0x81;
- nLength--;
- }
-
- var_2C = nTableValue >> Wcmp.b[1];
- dwBitBuff = 0;
-
- esi = (1 << (dwStopBit - 2));
- dwStopBit = (esi <= 0x20) ? esi : 0x20;
-
- for(var_1C = 0, dwBit = 1; ; dwBit <<= 1)
- {
-// esi = var_1C + nTableValue;
- if((var_1C + nTableValue) <= nValue)
- {
- var_1C += nTableValue;
- dwBitBuff |= dwBit;
- }
- if(dwBit == dwStopBit)
- break;
-
- nTableValue >>= 1;
- }
-
- nValue = SInt32Array2[nIndex];
- if(ebx != 0)
- {
- nValue -= (var_1C + var_2C);
- if(nValue < -32768)
- nValue = -32768;
- }
- else
- {
- nValue += (var_1C + var_2C);
- if(nValue > 32767)
- nValue = 32767;
- }
-
- SInt32Array2[nIndex] = nValue;
- *out.pb++ = (unsigned char)(dwBitBuff | ebx);
- nTableValue = Table1503F120[dwBitBuff & 0x1F];
- SInt32Array1[nIndex] = SInt32Array1[nIndex] + nTableValue;
- if(SInt32Array1[nIndex] < 0)
- SInt32Array1[nIndex] = 0;
- else if(SInt32Array1[nIndex] > 0x58)
- SInt32Array1[nIndex] = 0x58;
- }
- }
-
- return (int)(out.pb - pbOutBuffer);
-}
-
-//----------------------------------------------------------------------------
-// DecompressADPCM
-
-// 1500F230
-int DecompressADPCM(unsigned char * pbOutBuffer, int dwOutLength, unsigned char * pbInBuffer, int dwInLength, int nChannels)
-{
- BYTE_AND_WORD_PTR out; // Output buffer
- BYTE_AND_WORD_PTR in;
- unsigned char * pbInBufferEnd = (pbInBuffer + dwInLength);
- long SInt32Array1[2];
- long SInt32Array2[2];
- long nOneWord;
- int nIndex;
- int i;
-
- SInt32Array1[0] = SInt32Array1[1] = 0x2C;
- out.pb = pbOutBuffer;
- in.pb = pbInBuffer;
- in.pw++;
-
- // Fill the Uint32Array2 array by channel values.
- for(i = 0; i < nChannels; i++)
- {
- nOneWord = BSWAP_INT16_SIGNED(*in.pw++);
- SInt32Array2[i] = nOneWord;
- if(dwOutLength < 2)
- return (int)(out.pb - pbOutBuffer);
-
- *out.pw++ = BSWAP_INT16_SIGNED((short)nOneWord);
- dwOutLength -= sizeof(short);
- }
-
- // Get the initial index
- nIndex = nChannels - 1;
-
- // Perform the decompression
- while(in.pb < pbInBufferEnd)
- {
- unsigned char nOneByte = *in.pb++;
-
- // Switch index
- if(nChannels == 2)
- nIndex = (nIndex == 0) ? 1 : 0;
-
- // 1500F2A2: Get one byte from input buffer
- if(nOneByte & 0x80)
- {
- switch(nOneByte & 0x7F)
- {
- case 0: // 1500F315
- if(SInt32Array1[nIndex] != 0)
- SInt32Array1[nIndex]--;
-
- if(dwOutLength < 2)
- return (int)(out.pb - pbOutBuffer);
-
- *out.pw++ = BSWAP_INT16_SIGNED((unsigned short)SInt32Array2[nIndex]);
- dwOutLength -= sizeof(unsigned short);
- break;
-
- case 1: // 1500F2E8
- SInt32Array1[nIndex] += 8;
- if(SInt32Array1[nIndex] > 0x58)
- SInt32Array1[nIndex] = 0x58;
-
- if(nChannels == 2)
- nIndex = (nIndex == 0) ? 1 : 0;
- break;
-
- case 2: // 1500F41E
- break;
-
- default: // 1500F2C4
- SInt32Array1[nIndex] -= 8;
- if(SInt32Array1[nIndex] < 0)
- SInt32Array1[nIndex] = 0;
-
- if(nChannels == 2)
- nIndex = (nIndex == 0) ? 1 : 0;
- break;
- }
- }
- else
- {
- // 1500F349
- long temp1 = step_table[SInt32Array1[nIndex]]; // EDI
- long temp2 = temp1 >> pbInBuffer[1]; // ESI
- long temp3 = SInt32Array2[nIndex]; // ECX
-
- if(nOneByte & 0x01) // EBX = nOneByte
- temp2 += (temp1 >> 0);
-
- if(nOneByte & 0x02)
- temp2 += (temp1 >> 1);
-
- if(nOneByte & 0x04)
- temp2 += (temp1 >> 2);
-
- if(nOneByte & 0x08)
- temp2 += (temp1 >> 3);
-
- if(nOneByte & 0x10)
- temp2 += (temp1 >> 4);
-
- if(nOneByte & 0x20)
- temp2 += (temp1 >> 5);
-
- if(nOneByte & 0x40)
- {
- temp3 = temp3 - temp2;
- if(temp3 <= -32768)
- temp3 = -32768;
- }
- else
- {
- temp3 = temp3 + temp2;
- if(temp3 >= 32767)
- temp3 = 32767;
- }
-
- SInt32Array2[nIndex] = temp3;
- if(dwOutLength < 2)
- break;
-
- // Store the output 16-bit value
- *out.pw++ = BSWAP_INT16_SIGNED((short)SInt32Array2[nIndex]);
- dwOutLength -= 2;
-
- SInt32Array1[nIndex] += Table1503F120[nOneByte & 0x1F];
-
- if(SInt32Array1[nIndex] < 0)
- SInt32Array1[nIndex] = 0;
- else if(SInt32Array1[nIndex] > 0x58)
- SInt32Array1[nIndex] = 0x58;
- }
- }
- return (int)(out.pb - pbOutBuffer);
-}
diff --git a/src/adpcm/adpcm_old.h b/src/adpcm/adpcm_old.h
deleted file mode 100644
index 7b76aff..0000000
--- a/src/adpcm/adpcm_old.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*****************************************************************************/
-/* adpcm.h Copyright (c) Ladislav Zezula 2003 */
-/*---------------------------------------------------------------------------*/
-/* Header file for adpcm decompress functions */
-/*---------------------------------------------------------------------------*/
-/* Date Ver Who Comment */
-/* -------- ---- --- ------- */
-/* 31.03.03 1.00 Lad The first version of adpcm.h */
-/*****************************************************************************/
-
-#ifndef __ADPCM_H__
-#define __ADPCM_H__
-
-//-----------------------------------------------------------------------------
-// Functions
-
-#include <StormPort.h>
-
-int CompressADPCM (unsigned char * pbOutBuffer, int dwOutLength, short * pwInBuffer, int dwInLength, int nCmpType, int nChannels);
-int DecompressADPCM(unsigned char * pbOutBuffer, int dwOutLength, unsigned char * pbInBuffer, int dwInLength, int nChannels);
-
-#endif // __ADPCM_H__