51 |
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52 |
#include <stdio.h> |
#include <stdio.h> |
53 |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
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54 |
#include "../portab.h" |
#include "../portab.h" |
55 |
#include "../global.h" |
#include "../global.h" |
56 |
#include "bitstream.h" |
#include "bitstream.h" |
86 |
const int code2 = sprite_trajectory_len[len].code; |
const int code2 = sprite_trajectory_len[len].code; |
87 |
const int len2 = sprite_trajectory_len[len].len; |
const int len2 = sprite_trajectory_len[len].len; |
88 |
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|
89 |
#if 0 |
// printf("GMC=%d Code/Len = %d / %d ",val, code,len); |
90 |
printf("GMC=%d Code/Len = %d / %d ",val, code,len); |
// printf("Code2 / Len2 = %d / %d \n",code2,len2); |
|
printf("Code2 / Len2 = %d / %d \n",code2,len2); |
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#endif |
|
91 |
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|
92 |
BitstreamPutBits(bs, code2, len2); |
BitstreamPutBits(bs, code2, len2); |
93 |
if (len) BitstreamPutBits(bs, code, len); |
if (len) BitstreamPutBits(bs, code, len); |
498 |
{ |
{ |
499 |
if ((level = qcoeff[zigzag[i++]]) != 0) |
if ((level = qcoeff[zigzag[i++]]) != 0) |
500 |
{ |
{ |
501 |
abs_level = abs(prev_level); |
abs_level = ABS(prev_level); |
502 |
abs_level = abs_level < 64 ? abs_level : 0; |
abs_level = abs_level < 64 ? abs_level : 0; |
503 |
code = coeff_VLC[1][0][abs_level][prev_run].code; |
code = coeff_VLC[1][0][abs_level][prev_run].code; |
504 |
len = coeff_VLC[1][0][abs_level][prev_run].len; |
len = coeff_VLC[1][0][abs_level][prev_run].len; |
518 |
run++; |
run++; |
519 |
} |
} |
520 |
|
|
521 |
abs_level = abs(prev_level); |
abs_level = ABS(prev_level); |
522 |
abs_level = abs_level < 64 ? abs_level : 0; |
abs_level = abs_level < 64 ? abs_level : 0; |
523 |
code = coeff_VLC[1][1][abs_level][prev_run].code; |
code = coeff_VLC[1][1][abs_level][prev_run].code; |
524 |
len = coeff_VLC[1][1][abs_level][prev_run].len; |
len = coeff_VLC[1][1][abs_level][prev_run].len; |
559 |
{ |
{ |
560 |
if ((level = qcoeff[zigzag[i++]]) != 0) |
if ((level = qcoeff[zigzag[i++]]) != 0) |
561 |
{ |
{ |
562 |
abs_level = abs(prev_level); |
abs_level = ABS(prev_level); |
563 |
abs_level = abs_level < 64 ? abs_level : 0; |
abs_level = abs_level < 64 ? abs_level : 0; |
564 |
len = coeff_VLC[1][0][abs_level][prev_run].len; |
len = coeff_VLC[1][0][abs_level][prev_run].len; |
565 |
bits += len!=128 ? len : 30; |
bits += len!=128 ? len : 30; |
572 |
run++; |
run++; |
573 |
} |
} |
574 |
|
|
575 |
abs_level = abs(prev_level); |
abs_level = ABS(prev_level); |
576 |
abs_level = abs_level < 64 ? abs_level : 0; |
abs_level = abs_level < 64 ? abs_level : 0; |
577 |
len = coeff_VLC[1][1][abs_level][prev_run].len; |
len = coeff_VLC[1][1][abs_level][prev_run].len; |
578 |
bits += len!=128 ? len : 30; |
bits += len!=128 ? len : 30; |
627 |
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628 |
#endif |
#endif |
629 |
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|
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static int iDQtab[5] = { |
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1, 0, -1 /* no change */, 2, 3 |
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}; |
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#define DQ_VALUE2INDEX(value) iDQtab[(value)+2] |
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630 |
static __inline void |
static __inline void |
631 |
CodeBlockIntra(const FRAMEINFO * const frame, |
CodeBlockIntra(const FRAMEINFO * const frame, |
632 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
639 |
|
|
640 |
cbpy = pMB->cbp >> 2; |
cbpy = pMB->cbp >> 2; |
641 |
|
|
642 |
/* write mcbpc */ |
// write mcbpc |
643 |
if (frame->coding_type == I_VOP) { |
if (frame->coding_type == I_VOP) { |
644 |
mcbpc = ((pMB->mode >> 1) & 3) | ((pMB->cbp & 3) << 2); |
mcbpc = ((pMB->mode >> 1) & 3) | ((pMB->cbp & 3) << 2); |
645 |
BitstreamPutBits(bs, mcbpc_intra_tab[mcbpc].code, |
BitstreamPutBits(bs, mcbpc_intra_tab[mcbpc].code, |
650 |
mcbpc_inter_tab[mcbpc].len); |
mcbpc_inter_tab[mcbpc].len); |
651 |
} |
} |
652 |
|
|
653 |
/* ac prediction flag */ |
// ac prediction flag |
654 |
if (pMB->acpred_directions[0]) |
if (pMB->acpred_directions[0]) |
655 |
BitstreamPutBits(bs, 1, 1); |
BitstreamPutBits(bs, 1, 1); |
656 |
else |
else |
657 |
BitstreamPutBits(bs, 0, 1); |
BitstreamPutBits(bs, 0, 1); |
658 |
|
|
659 |
/* write cbpy */ |
// write cbpy |
660 |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
661 |
|
|
662 |
/* write dquant */ |
// write dquant |
663 |
if (pMB->mode == MODE_INTRA_Q) |
if (pMB->mode == MODE_INTRA_Q) |
664 |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
BitstreamPutBits(bs, pMB->dquant, 2); |
665 |
|
|
666 |
/* write interlacing */ |
// write interlacing |
667 |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
if (frame->global_flags & XVID_INTERLACING) { |
668 |
BitstreamPutBit(bs, pMB->field_dct); |
BitstreamPutBit(bs, pMB->field_dct); |
669 |
} |
} |
670 |
/* code block coeffs */ |
// code block coeffs |
671 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
672 |
if (i < 4) |
if (i < 4) |
673 |
BitstreamPutBits(bs, dcy_tab[qcoeff[i * 64 + 0] + 255].code, |
BitstreamPutBits(bs, dcy_tab[qcoeff[i * 64 + 0] + 255].code, |
678 |
|
|
679 |
if (pMB->cbp & (1 << (5 - i))) { |
if (pMB->cbp & (1 << (5 - i))) { |
680 |
const uint16_t *scan_table = |
const uint16_t *scan_table = |
681 |
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
frame->global_flags & XVID_ALTERNATESCAN ? |
682 |
scan_tables[2] : scan_tables[pMB->acpred_directions[i]]; |
scan_tables[2] : scan_tables[pMB->acpred_directions[i]]; |
683 |
|
|
684 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
711 |
mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
712 |
cbpy = 15 - (pMB->cbp >> 2); |
cbpy = 15 - (pMB->cbp >> 2); |
713 |
|
|
714 |
/* write mcbpc */ |
// write mcbpc |
715 |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
716 |
mcbpc_inter_tab[mcbpc].len); |
mcbpc_inter_tab[mcbpc].len); |
717 |
|
|
718 |
if ( (frame->coding_type == S_VOP) && (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) ) |
if ( (frame->coding_type == S_VOP) && (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) ) |
719 |
BitstreamPutBit(bs, pMB->mcsel); /* mcsel: '0'=local motion, '1'=GMC */ |
BitstreamPutBit(bs, pMB->mcsel); // mcsel: '0'=local motion, '1'=GMC |
720 |
|
|
721 |
/* write cbpy */ |
// write cbpy |
722 |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
723 |
|
|
724 |
/* write dquant */ |
// write dquant |
725 |
if (pMB->mode == MODE_INTER_Q) |
if (pMB->mode == MODE_INTER_Q) |
726 |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
BitstreamPutBits(bs, pMB->dquant, 2); |
727 |
|
|
728 |
/* interlacing */ |
// interlacing |
729 |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
if (frame->global_flags & XVID_INTERLACING) { |
730 |
if (pMB->cbp) { |
if (pMB->cbp) { |
731 |
BitstreamPutBit(bs, pMB->field_dct); |
BitstreamPutBit(bs, pMB->field_dct); |
732 |
DPRINTF(XVID_DEBUG_MB,"codep: field_dct: %i\n", pMB->field_dct); |
DPRINTF(DPRINTF_MB,"codep: field_dct: %i", pMB->field_dct); |
733 |
} |
} |
734 |
|
|
735 |
/* if inter block, write field ME flag */ |
// if inter block, write field ME flag |
736 |
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) { |
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) { |
737 |
BitstreamPutBit(bs, pMB->field_pred); |
BitstreamPutBit(bs, pMB->field_pred); |
738 |
DPRINTF(XVID_DEBUG_MB,"codep: field_pred: %i\n", pMB->field_pred); |
DPRINTF(DPRINTF_MB,"codep: field_pred: %i", pMB->field_pred); |
739 |
|
|
740 |
/* write field prediction references */ |
// write field prediction references |
741 |
if (pMB->field_pred) { |
if (pMB->field_pred) { |
742 |
BitstreamPutBit(bs, pMB->field_for_top); |
BitstreamPutBit(bs, pMB->field_for_top); |
743 |
BitstreamPutBit(bs, pMB->field_for_bot); |
BitstreamPutBit(bs, pMB->field_for_bot); |
744 |
} |
} |
745 |
} |
} |
746 |
} |
} |
747 |
/* code motion vector(s) if motion is local */ |
// code motion vector(s) if motion is local |
748 |
if (!pMB->mcsel) |
if (!pMB->mcsel) |
749 |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
750 |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode, pStat); |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode, pStat); |
753 |
|
|
754 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
755 |
|
|
756 |
/* code block coeffs */ |
// code block coeffs |
757 |
for (i = 0; i < 6; i++) |
for (i = 0; i < 6; i++) |
758 |
if (pMB->cbp & (1 << (5 - i))) |
if (pMB->cbp & (1 << (5 - i))) |
759 |
{ |
{ |
760 |
const uint16_t *scan_table = |
const uint16_t *scan_table = |
761 |
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
frame->global_flags & XVID_ALTERNATESCAN ? |
762 |
scan_tables[2] : scan_tables[0]; |
scan_tables[2] : scan_tables[0]; |
763 |
|
|
764 |
#ifdef BIGLUT |
#ifdef BIGLUT |
781 |
Statistics * pStat) |
Statistics * pStat) |
782 |
{ |
{ |
783 |
if (frame->coding_type != I_VOP) |
if (frame->coding_type != I_VOP) |
784 |
BitstreamPutBit(bs, 0); /* not_coded */ |
BitstreamPutBit(bs, 0); // not_coded |
785 |
|
|
786 |
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) |
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) |
787 |
CodeBlockIntra(frame, pMB, qcoeff, bs, pStat); |
CodeBlockIntra(frame, pMB, qcoeff, bs, pStat); |
790 |
|
|
791 |
} |
} |
792 |
|
|
793 |
|
/* |
794 |
/* moved to mbcoding.h so that in can be 'static __inline' */ |
// moved to mbcoding.h so that in can be 'static __inline' |
|
#if 0 |
|
795 |
void |
void |
796 |
MBSkip(Bitstream * bs) |
MBSkip(Bitstream * bs) |
797 |
{ |
{ |
798 |
BitstreamPutBit(bs, 1); /* not coded */ |
BitstreamPutBit(bs, 1); // not coded |
799 |
} |
} |
800 |
#endif |
*/ |
801 |
|
|
802 |
/*************************************************************** |
/*************************************************************** |
803 |
* bframe encoding start |
* bframe encoding start |
855 |
BitstreamPutBit(bs, 1); |
BitstreamPutBit(bs, 1); |
856 |
return; |
return; |
857 |
|
|
858 |
default:; /* invalid */ |
default:; // invalid |
859 |
} |
} |
860 |
} |
} |
861 |
|
|
879 |
------------------------------------------------------------------ */ |
------------------------------------------------------------------ */ |
880 |
|
|
881 |
if (mb->mode == MODE_DIRECT_NONE_MV) { |
if (mb->mode == MODE_DIRECT_NONE_MV) { |
882 |
BitstreamPutBit(bs, 1); /* skipped */ |
BitstreamPutBit(bs, 1); // skipped |
883 |
return; |
return; |
884 |
} |
} |
885 |
|
|
886 |
BitstreamPutBit(bs, 0); /* not skipped */ |
BitstreamPutBit(bs, 0); // not skipped |
887 |
|
|
888 |
if (mb->cbp == 0) { |
if (mb->cbp == 0) { |
889 |
BitstreamPutBit(bs, 1); /* cbp == 0 */ |
BitstreamPutBit(bs, 1); // cbp == 0 |
890 |
} else { |
} else { |
891 |
BitstreamPutBit(bs, 0); /* cbp == xxx */ |
BitstreamPutBit(bs, 0); // cbp == xxx |
892 |
} |
} |
893 |
|
|
894 |
put_bvop_mbtype(bs, mb->mode); |
put_bvop_mbtype(bs, mb->mode); |
898 |
} |
} |
899 |
|
|
900 |
if (mb->mode != MODE_DIRECT && mb->cbp != 0) { |
if (mb->mode != MODE_DIRECT && mb->cbp != 0) { |
901 |
put_bvop_dbquant(bs, 0); /* todo: mb->dquant = 0 */ |
put_bvop_dbquant(bs, 0); // todo: mb->dquant = 0 |
902 |
} |
} |
903 |
|
|
904 |
switch (mb->mode) { |
switch (mb->mode) { |
905 |
case MODE_INTERPOLATE: |
case MODE_INTERPOLATE: |
906 |
CodeVector(bs, mb->pmvs[1].x, vcode, pStat); /* forward vector of interpolate mode */ |
CodeVector(bs, mb->pmvs[1].x, vcode, pStat); //forward vector of interpolate mode |
907 |
CodeVector(bs, mb->pmvs[1].y, vcode, pStat); |
CodeVector(bs, mb->pmvs[1].y, vcode, pStat); |
908 |
case MODE_BACKWARD: |
case MODE_BACKWARD: |
909 |
vcode = bcode; |
vcode = bcode; |
912 |
CodeVector(bs, mb->pmvs[0].y, vcode, pStat); |
CodeVector(bs, mb->pmvs[0].y, vcode, pStat); |
913 |
break; |
break; |
914 |
case MODE_DIRECT: |
case MODE_DIRECT: |
915 |
CodeVector(bs, mb->pmvs[3].x, 1, pStat); /* fcode is always 1 for delta vector */ |
CodeVector(bs, mb->pmvs[3].x, 1, pStat); // fcode is always 1 for delta vector |
916 |
CodeVector(bs, mb->pmvs[3].y, 1, pStat); /* prediction is always (0,0) */ |
CodeVector(bs, mb->pmvs[3].y, 1, pStat); // prediction is always (0,0) |
917 |
default: break; |
default: break; |
918 |
} |
} |
919 |
|
|
935 |
***************************************************************/ |
***************************************************************/ |
936 |
|
|
937 |
|
|
938 |
/* |
// for IVOP addbits == 0 |
939 |
* for IVOP addbits == 0 |
// for PVOP addbits == fcode - 1 |
940 |
* for PVOP addbits == fcode - 1 |
// for BVOP addbits == max(fcode,bcode) - 1 |
941 |
* for BVOP addbits == max(fcode,bcode) - 1 |
// returns true or false |
|
* returns true or false |
|
|
*/ |
|
942 |
int |
int |
943 |
check_resync_marker(Bitstream * bs, int addbits) |
check_resync_marker(Bitstream * bs, int addbits) |
944 |
{ |
{ |
1052 |
return data; |
return data; |
1053 |
|
|
1054 |
res = BitstreamGetBits(bs, fcode - 1); |
res = BitstreamGetBits(bs, fcode - 1); |
1055 |
mv = ((abs(data) - 1) * scale_fac) + res + 1; |
mv = ((ABS(data) - 1) * scale_fac) + res + 1; |
1056 |
|
|
1057 |
return data < 0 ? -mv : mv; |
return data < 0 ? -mv : mv; |
1058 |
|
|
1153 |
level = BitstreamGetBits(bs, 8); |
level = BitstreamGetBits(bs, 8); |
1154 |
|
|
1155 |
if (level == 0 || level == 128) |
if (level == 0 || level == 128) |
1156 |
DPRINTF(XVID_DEBUG_ERROR, "Illegal LEVEL for ESCAPE mode 4: %d\n", level); |
DPRINTF(DPRINTF_ERROR, "Illegal LEVEL for ESCAPE mode 4: %d", level); |
1157 |
|
|
1158 |
return (level << 24) >> 24; |
return (level << 24) >> 24; |
1159 |
} |
} |
1209 |
do { |
do { |
1210 |
level = get_coeff(bs, &run, &last, 1, 0); |
level = get_coeff(bs, &run, &last, 1, 0); |
1211 |
if (run == -1) { |
if (run == -1) { |
1212 |
DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run"); |
DPRINTF(DPRINTF_ERROR,"fatal: invalid run"); |
1213 |
break; |
break; |
1214 |
} |
} |
1215 |
coeff += run; |
coeff += run; |
1216 |
block[scan[coeff]] = level; |
block[scan[coeff]] = level; |
1217 |
|
|
1218 |
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i\n", scan[coeff], level); |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[coeff], level); |
1219 |
#if 0 |
//DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[coeff], level, BitstreamShowBits(bs, 32)); |
|
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i %08x\n", scan[coeff], level, BitstreamShowBits(bs, 32)); |
|
|
#endif |
|
1220 |
|
|
1221 |
if (level < -2047 || level > 2047) { |
if (level < -2047 || level > 2047) { |
1222 |
DPRINTF(XVID_DEBUG_ERROR,"warning: intra_overflow %i\n", level); |
DPRINTF(DPRINTF_ERROR,"warning: intra_overflow %i", level); |
1223 |
} |
} |
1224 |
coeff++; |
coeff++; |
1225 |
} while (!last); |
} while (!last); |
1242 |
do { |
do { |
1243 |
level = get_coeff(bs, &run, &last, 0, 0); |
level = get_coeff(bs, &run, &last, 0, 0); |
1244 |
if (run == -1) { |
if (run == -1) { |
1245 |
DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run"); |
DPRINTF(DPRINTF_ERROR,"fatal: invalid run"); |
1246 |
break; |
break; |
1247 |
} |
} |
1248 |
p += run; |
p += run; |
1249 |
|
|
1250 |
block[scan[p]] = level; |
block[scan[p]] = level; |
1251 |
|
|
1252 |
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i\n", scan[p], level); |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[p], level); |
1253 |
/* DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i %08x\n", scan[p], level, BitstreamShowBits(bs, 32)); */ |
// DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[p], level, BitstreamShowBits(bs, 32)); |
1254 |
|
|
1255 |
if (level < -2047 || level > 2047) { |
if (level < -2047 || level > 2047) { |
1256 |
DPRINTF(XVID_DEBUG_ERROR,"warning: inter overflow %i\n", level); |
DPRINTF(DPRINTF_ERROR,"warning: inter overflow %i", level); |
1257 |
} |
} |
1258 |
p++; |
p++; |
1259 |
} while (!last); |
} while (!last); |
1260 |
|
|
1261 |
} |
} |
1262 |
|
|
|
|
|
1263 |
/***************************************************************************** |
/***************************************************************************** |
1264 |
* VLC tables and other constant arrays |
* VLC tables and other constant arrays |
1265 |
****************************************************************************/ |
****************************************************************************/ |