#include "momusys.h"
#include "vlc.h"
#include "putvlc.h"
#include "bitstream.h"
Int
PutDCsize_lum (Int size, Image *bitstream)
{
MOMCHECK(size >= 0 && size < 13);
BitstreamPutBits (bitstream, DCtab_lum[size].code, DCtab_lum[size].len);
return DCtab_lum[size].len;
}
Int
PutDCsize_chrom (Int size, Image *bitstream)
{
MOMCHECK (size >= 0 && size < 13);
BitstreamPutBits (bitstream, DCtab_chrom[size].code, DCtab_chrom[size].len);
return DCtab_chrom[size].len;
}
Int
PutMV (Int mvint, Image *bitstream)
{
Int sign = 0;
Int absmv;
if (mvint > 32)
{
absmv = -mvint + 65;
sign = 1;
}
else
absmv = mvint;
BitstreamPutBits (bitstream, mvtab[absmv].code, mvtab[absmv].len);
if (mvint != 0)
{
BitstreamPutBits (bitstream, sign, 1);
return mvtab[absmv].len + 1;
}
else
return mvtab[absmv].len;
}
Int
PutMCBPC_Intra (Int cbpc, Int mode, Image *bitstream)
{
Int ind;
ind = ((mode >> 1) & 3) | ((cbpc & 3) << 2);
BitstreamPutBits (bitstream, mcbpc_intra_tab[ind].code, mcbpc_intra_tab[ind].len);
return mcbpc_intra_tab[ind].len;
}
Int
PutMCBPC_Inter (Int cbpc, Int mode, Image *bitstream)
{
Int ind;
ind = (mode & 7) | ((cbpc & 3) << 3);
BitstreamPutBits (bitstream, mcbpc_inter_tab[ind].code,
mcbpc_inter_tab[ind].len);
return mcbpc_inter_tab[ind].len;
}
Int
PutMCBPC_Sprite (Int cbpc, Int mode, Image *bitstream)
{
Int ind;
ind = (mode & 7) | ((cbpc & 3) << 3);
BitstreamPutBits (bitstream, mcbpc_sprite_tab[ind].code,
mcbpc_sprite_tab[ind].len);
return mcbpc_sprite_tab[ind].len;
}
Int
PutCBPY (Int cbpy, Char intra, Int *MB_transp_pattern, Image *bitstream)
{
Int ind;
Int index=0;
if (intra == 0) cbpy = 15 - cbpy;
ind = cbpy;
BitstreamPutBits (bitstream, cbpy_tab[ind].code, cbpy_tab[ind].len);
return cbpy_tab[ind].len;
}
Int
PutCoeff_Inter(Int run, Int level, Int last, Image *bitstream)
{
Int length = 0;
MOMCHECK (last >= 0 && last < 2);
MOMCHECK (run >= 0 && run < 64);
MOMCHECK (level > 0 && level < 128);
if (last == 0)
{
if (run < 2 && level < 13 )
{
BitstreamPutBits (bitstream, (LInt)coeff_tab0[run][level-1].code,
(LInt)coeff_tab0[run][level-1].len);
length = coeff_tab0[run][level-1].len;
}
else if (run > 1 && run < 27 && level < 5)
{
BitstreamPutBits (bitstream, (LInt)coeff_tab1[run-2][level-1].code,
(LInt)coeff_tab1[run-2][level-1].len);
length = coeff_tab1[run-2][level-1].len;
}
}
else if (last == 1)
{
if (run < 2 && level < 4)
{
BitstreamPutBits (bitstream, (LInt)coeff_tab2[run][level-1].code,
(LInt)coeff_tab2[run][level-1].len);
length = coeff_tab2[run][level-1].len;
}
else if (run > 1 && run < 42 && level == 1)
{
BitstreamPutBits (bitstream, (LInt)coeff_tab3[run-2].code,
(LInt)coeff_tab3[run-2].len);
length = coeff_tab3[run-2].len;
}
}
return length;
}
Int
PutCoeff_Intra(Int run, Int level, Int last, Image *bitstream)
{
Int length = 0;
MOMCHECK (last >= 0 && last < 2);
MOMCHECK (run >= 0 && run < 64);
MOMCHECK (level > 0 && level < 128);
if (last == 0)
{
if (run == 0 && level < 28 )
{
BitstreamPutBits(bitstream, (LInt)coeff_tab4[level-1].code,
(LInt)coeff_tab4[level-1].len);
length = coeff_tab4[level-1].len;
}
else if (run == 1 && level < 11)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab5[level-1].code,
(LInt)coeff_tab5[level-1].len);
length = coeff_tab5[level-1].len;
}
else if (run > 1 && run < 10 && level < 6)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab6[run-2][level-1].code,
(LInt)coeff_tab6[run-2][level-1].len);
length = coeff_tab6[run-2][level-1].len;
}
else if (run > 9 && run < 15 && level == 1)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab7[run-10].code,
(LInt)coeff_tab7[run-10].len);
length = coeff_tab7[run-10].len;
}
}
else if (last == 1)
{
if (run == 0 && level < 9)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab8[level-1].code,
(LInt)coeff_tab8[level-1].len);
length = coeff_tab8[level-1].len;
}
else if (run > 0 && run < 7 && level < 4)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab9[run-1][level-1].code,
(LInt)coeff_tab9[run-1][level-1].len);
length = coeff_tab9[run-1][level-1].len;
}
else if (run > 6 && run < 21 && level == 1)
{
BitstreamPutBits(bitstream, (LInt)coeff_tab10[run-7].code,
(LInt)coeff_tab10[run-7].len);
length = coeff_tab10[run-7].len;
}
}
return length;
}
Int
PutCoeff_Inter_RVLC(Int run, Int level, Int last, Image *bitstream)
{
Int length = 0;
MOMCHECK (last >= 0 && last < 2);
MOMCHECK (run >= 0 && run < 64);
MOMCHECK (level > 0 && level < 128);
if (last == 0)
{
if (run == 0 && level < 20 )
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab14[level-1].code,
(LInt)coeff_RVLCtab14[level-1].len);
length = coeff_RVLCtab14[level-1].len;
}
else if (run == 1 && level < 11)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab15[level-1].code,
(LInt)coeff_RVLCtab15[level-1].len);
length = coeff_RVLCtab15[level-1].len;
}
else if (run > 1 && run < 4 && level < 8)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab16[run-2][level-1].code,
(LInt)coeff_RVLCtab16[run-2][level-1].len);
length = coeff_RVLCtab16[run-2][level-1].len;
}
else if (run == 4 && level < 6)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab17[level-1].code,
(LInt)coeff_RVLCtab17[level-1].len);
length = coeff_RVLCtab17[level-1].len;
}
else if (run > 4 && run < 8 && level < 5)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab18[run-5][level-1].code,
(LInt)coeff_RVLCtab18[run-5][level-1].len);
length = coeff_RVLCtab18[run-5][level-1].len;
}
else if (run > 7 && run < 10 && level < 4)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab19[run-8][level-1].code,
(LInt)coeff_RVLCtab19[run-8][level-1].len);
length = coeff_RVLCtab19[run-8][level-1].len;
}
else if (run > 9 && run < 18 && level < 3)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab20[run-10][level-1].code,
(LInt)coeff_RVLCtab20[run-10][level-1].len);
length = coeff_RVLCtab20[run-10][level-1].len;
}
else if (run > 17 && run < 39 && level == 1)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab21[run-18].code,
(LInt)coeff_RVLCtab21[run-18].len);
length = coeff_RVLCtab21[run-18].len;
}
}
else if (last == 1)
{
if (run >= 0 && run < 2 && level < 6)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab22[run][level-1].code,
(LInt)coeff_RVLCtab22[run][level-1].len);
length = coeff_RVLCtab22[run][level-1].len;
}
else if (run == 2 && level < 4)
{
BitstreamPutBits (bitstream, (LInt)coeff_RVLCtab23[level-1].code,
(LInt)coeff_RVLCtab23[level-1].len);
length = coeff_RVLCtab23[level-1].len;
}
else if (run > 2 && run < 14 && level < 3)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab24[run-3][level-1].code,
(LInt)coeff_RVLCtab24[run-3][level-1].len);
length = coeff_RVLCtab24[run-3][level-1].len;
}
else if (run > 13 && run < 46 && level == 1)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab25[run-14].code,
(LInt)coeff_RVLCtab25[run-14].len);
length = coeff_RVLCtab25[run-14].len;
}
}
return length;
}
Int
PutCoeff_Intra_RVLC(Int run, Int level, Int last, Image *bitstream)
{
Int length = 0;
MOMCHECK (last >= 0 && last < 2);
MOMCHECK (run >= 0 && run < 64);
MOMCHECK (level > 0 && level < 128);
if (last == 0)
{
if (run == 0 && level < 28 )
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab1[level-1].code,
(LInt)coeff_RVLCtab1[level-1].len);
length = coeff_RVLCtab1[level-1].len;
}
else if (run == 1 && level < 14)
{
BitstreamPutBits(bitstream, (LInt)coeff_RVLCtab2[level-1].code,
(LInt)coeff_RVLCtab2[level-1].len);
l
MPEG-4b编码技术.rar （53个子文件） 
MPEG-4编码技术 encore src 
text_dct.h 166B max_level.h 2KB putvlc.c 19KB text_dct.c 3KB bitstream.c 1KB text_code_mb.h 361B intel_mmx text_fdct_mmx.c 13KB CVS Entries 109B Repository 31B Root 51B text_idct_mmx.c 12KB mot_est_mb.c 15KB mom_structs.h 1KB mom_access.h 3KB rate_ctl.c 3KB putvlc.h 1KB text_defs.h 391B mot_est_comp.c 12KB encore.h 780B mom_util.h 1KB mot_code.h 403B encore.c 9KB mot_est_mb.h 848B zigzag.h 1KB rate_ctl.h 321B vop_code.h 558B vlc.h 15KB mot_util.h 1KB bitstream.h 397B mot_est_comp.h 391B mot_util.c 6KB text_code.c 18KB vm_enc_defs.h 616B text_bits.c 15KB text_code.h 609B text_code_mb.c 7KB mom_util.c 6KB text_bits.h 1KB vm_common_defs.h 3KB mot_code.c 9KB non_unix.h 273B mom_access.c 6KB vop_code.c 6KB momusys.h 6KB build win32 CVS Entries 95B Repository 29B Root 51B encore.plg 8KB encore.opt 48KB encore.dsp 6KB Debug encore.lib 282KB encore.ncb 105KB encore.dsw 534B
评论0