19 |
* along with this program ; if not, write to the Free Software |
* along with this program ; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
* |
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* $Id: mbcoding.c,v 1.52 2005-09-13 12:12:15 suxen_drol Exp $ |
* $Id: mbcoding.c,v 1.54 2007-04-28 16:30:20 syskin Exp $ |
23 |
* |
* |
24 |
****************************************************************************/ |
****************************************************************************/ |
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36 |
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37 |
#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
38 |
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39 |
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#ifdef _DEBUG |
40 |
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# include "../motion/estimation.h" |
41 |
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# include "../motion/motion_inlines.h" |
42 |
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# include <assert.h> |
43 |
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#endif |
44 |
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45 |
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46 |
#define LEVELOFFSET 32 |
#define LEVELOFFSET 32 |
47 |
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|
48 |
/* Initialized once during xvid_global call |
/* Initialized once during xvid_global call |
579 |
#endif |
#endif |
580 |
} |
} |
581 |
} |
} |
582 |
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|
583 |
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bits = BitstreamPos(bs); |
584 |
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585 |
/* code motion vector(s) if motion is local */ |
/* code motion vector(s) if motion is local */ |
586 |
if (!pMB->mcsel) |
if (!pMB->mcsel) |
587 |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
588 |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode); |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode); |
589 |
CodeVector(bs, pMB->pmvs[i].y, frame->fcode); |
CodeVector(bs, pMB->pmvs[i].y, frame->fcode); |
590 |
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591 |
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#ifdef _DEBUG |
592 |
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if (i == 0) /* for simplicity */ { |
593 |
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int coded_length = BitstreamPos(bs) - bits; |
594 |
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int estimated_length = d_mv_bits(pMB->pmvs[i].x, pMB->pmvs[i].y, zeroMV, frame->fcode, 0); |
595 |
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assert(estimated_length == coded_length); |
596 |
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d_mv_bits(pMB->pmvs[i].x, pMB->pmvs[i].y, zeroMV, frame->fcode, 0); |
597 |
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} |
598 |
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#endif |
599 |
} |
} |
600 |
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601 |
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bits = BitstreamPos(bs) - bits; |
602 |
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pStat->iMVBits += bits; |
603 |
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|
604 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
605 |
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|
606 |
/* code block coeffs */ |
/* code block coeffs */ |
768 |
} |
} |
769 |
} |
} |
770 |
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|
771 |
|
bits = BitstreamPos(bs); |
772 |
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|
773 |
switch (mb->mode) { |
switch (mb->mode) { |
774 |
case MODE_INTERPOLATE: |
case MODE_INTERPOLATE: |
785 |
CodeVector(bs, mb->pmvs[3].y, 1); /* prediction is always (0,0) */ |
CodeVector(bs, mb->pmvs[3].y, 1); /* prediction is always (0,0) */ |
786 |
default: break; |
default: break; |
787 |
} |
} |
788 |
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pStat->iMVBits += BitstreamPos(bs) - bits; |
789 |
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|
790 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
791 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |