**/
#include "basic_prediction.h"
void CopyBlock(unsigned char * Src, unsigned char * Dst, int Stride)
{
int dy;
long *lpSrc = (long *) Src;
long *lpDst = (long *) Dst;
int lpStride = Stride >> 2;
for (dy = 0; dy < 8; dy++) {
lpDst[0] = lpSrc[0];
lpDst[1] = lpSrc[1];
lpSrc += lpStride;
lpDst += lpStride;
}
}
/**/
void CopyBlockHor(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
xor eax, eax
mov ebx, Stride
sub ebx, 7
xor ecx, ecx
mov edx, 8
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again10:
// 0
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 1
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 2
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 3
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 4
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 5
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 6
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 7
mov al, [esi]
mov cl, [esi+1]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
add esi, ebx
add edi, ebx
dec edx
jnz start_again10
}
}
/**/
void CopyBlockVer(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
xor eax, eax
mov ebx, Stride
xor ecx, ecx
mov edx, 8
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again10:
// 0
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 1
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 2
//xor eax, eax
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 3
//xor eax, eax
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 4
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 5
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 6
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc esi
inc edi
// 7
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
add esi, ebx
sub esi, 7
add edi, ebx
sub edi, 7
dec edx
jnz start_again10
}
}
/**/
void CopyBlockHorVer(unsigned char * Src, unsigned char * Dst, int Stride)
{
int dy, dx;
for (dy = 0; dy < 8; dy++) {
for (dx = 0; dx < 8; dx++) {
Dst[dx] = (Src[dx] + Src[dx+1] +
Src[dx+Stride] + Src[dx+Stride+1] +2) >> 2; // horver interpolation with rounding
}
Src += Stride;
Dst += Stride;
}
}
/**/
void CopyBlockHorRound(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
xor eax, eax
mov ebx, Stride
sub ebx, 7
xor ecx, ecx
mov edx, 8
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again1:
// 0
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 1
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 2
//xor eax, eax
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 3
//xor eax, eax
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 4
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 5
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 6
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
shr eax, 1
mov [edi], al
inc edi
// 7
mov al, [esi]
mov cl, [esi+1]
add eax, ecx
shr eax, 1
mov [edi], al
add esi, ebx
add edi, ebx
dec edx
jnz start_again1
}
}
/**/
void CopyBlockVerRound(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
xor eax, eax
mov ebx, Stride
xor ecx, ecx
mov edx, 8
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again1:
// 0
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 1
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 2
//xor eax, eax
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 3
//xor eax, eax
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 4
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 5
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 6
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
inc esi
inc edi
// 7
mov al, [esi]
mov cl, [esi+ebx]
add eax, ecx
shr eax, 1
mov [edi], al
add esi, ebx
sub esi, 7
add edi, ebx
sub edi, 7
dec edx
jnz start_again1
}
}
/**/
void CopyBlockHorVerRound(unsigned char * Src, unsigned char * Dst, int Stride)
{
int dy, dx;
for (dy = 0; dy < 8; dy++) {
for (dx = 0; dx < 8; dx++) {
Dst[dx] = (Src[dx] + Src[dx+1] +
Src[dx+Stride] + Src[dx+Stride+1] +1) >> 2; // horver interpolation with rounding
}
Src += Stride;
Dst += Stride;
}
}
/** *** **/
void CopyMBlock(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
mov ebx, Stride
sub ebx, 12
mov edx, 16
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again:
mov eax, [esi]
mov [edi], eax
add esi, 4
add edi, 4
mov eax, [esi]
mov [edi], eax
add esi, 4
add edi, 4
mov eax, [esi]
mov [edi], eax
add esi, 4
add edi, 4
mov eax, [esi]
mov [edi], eax
add esi, ebx
add edi, ebx
dec edx
jnz start_again
}
}
/**/
void CopyMBlockHor(unsigned char * Src, unsigned char * Dst, int Stride)
{
_asm {
xor eax, eax
mov ebx, Stride
sub ebx, 15
xor ecx, ecx
mov edx, 16
mov esi, dword ptr [Src]
mov edi, dword ptr [Dst]
start_again0:
// 0
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 1
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 2
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 3
//xor eax, eax
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
inc edi
// 4
mov al, [esi]
inc esi
mov cl, [esi]
add eax, ecx
inc eax
shr eax, 1
mov [edi], al
i
MPEG-4解码技术
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MPEG-4解码技术.rar （81个子文件） 
MPEG-4解码技术 DECORE SRC 
MP4_VARS.C 276B mp4_predict.c 8KB mp4_mblock.h 332B basic_prediction.h 1KB mp4_header.h 3KB DEBUG.C 1KB clearblock.c 301B MP4_VLD.C 7KB Yuv2rgb.c 10KB STORE.H 154B transferIDCT.c 815B mp4_recon.c 3KB TIMER.H 1KB intel_mmx clearblock_mmx.c 219B yuv2rgb_mmx.c 22KB postprocess deblock_horiz_DC_on.c 142B deblock_horiz.c 2KB deblock_vert_lpf9.c 18KB deblock_vert_useDC.c 7KB DO_EMMS.C 84B deblock_horiz_lpf9.c 6KB postprocess.c 2KB deblock_vert_default_filter.c 11KB deblock_vert.c 3KB deblock_horiz_useDC.c 5KB deblock_vert_copy_and_unpack.c 2KB deblock_horiz_default_filter.c 1KB deblock_vert_choose_p1p2.c 4KB postprocess.h 1KB postprocess_mmx.h 2KB fast_copy.c 2KB deblock_vert_DC_on.c 1KB IDCT_MMX.C 14KB transferIDCT_mmx.c 9KB basic_prediction_mmx.c 23KB postprocess.c 17KB GETBITS.H 3KB mp4_block.h 77B DECORE.C 10KB PORTAB.H 469B mp4_picture.c 9KB GEN_DRAW.H 250B STORE.C 1KB IDCT.H 145B GEN_DRAW.C 3KB clearblock.h 124B GETBITS.C 416B mp4_predict.h 444B mp4_decoder.c 4KB MP4_VARS.H 4KB gen_usetime.c 623B IDCT.C 3KB postprocess.h 965B mp4_header.c 8KB mp4_tables.c 9KB mp4_block.c 8KB basic_prediction.c 5KB MP4_VLD.H 8KB gen_usetime.h 197B mp4_mblock.c 7KB DEBUG.H 582B mp4_iquant.h 182B mp4_decoder.h 442B YUV2RGB.H 1KB transferIDCT.h 172B ATT_MMX basic_prediction_mmx.c 15KB DECORE.H 2KB mp4_iquant.c 912B GLOBAL.H 1KB TEST test_basic_prediction.c 6KB BUILD WIN32 TEST test_basic_prediction.plg 276B test_basic_prediction.opt 74KB test_basic_prediction.dsw 566B test_basic_prediction.ncb 41KB test_basic_prediction.dsp 4KB DECORE.DSW 724B console.plg 248B DECORE.OPT 103KB DECORE.DSP 18KB DECORE.ncb 257KB console.dsp 7KB资源评论
