1503 |
return 1; /* intra */ |
return 1; /* intra */ |
1504 |
} |
} |
1505 |
|
|
1506 |
|
static __inline void |
1507 |
|
updateFcode(Statistics * sStat, Encoder * pEnc) |
1508 |
|
{ |
1509 |
|
float fSigma; |
1510 |
|
int iSearchRange; |
1511 |
|
|
1512 |
#define INTRA_THRESHOLD 0.5 |
if (sStat->iMvCount == 0) |
1513 |
#define BFRAME_SKIP_THRESHHOLD 30 |
sStat->iMvCount = 1; |
1514 |
|
|
1515 |
|
fSigma = (float) sqrt((float) sStat->iMvSum / sStat->iMvCount); |
1516 |
|
|
1517 |
|
iSearchRange = 16 << pEnc->mbParam.m_fcode; |
1518 |
|
|
1519 |
|
if ((3.0 * fSigma > iSearchRange) && (pEnc->mbParam.m_fcode <= 5) ) |
1520 |
|
pEnc->mbParam.m_fcode++; |
1521 |
|
|
1522 |
|
else if ((5.0 * fSigma < iSearchRange) |
1523 |
|
&& (4.0 * pEnc->fMvPrevSigma < iSearchRange) |
1524 |
|
&& (pEnc->mbParam.m_fcode >= 2) ) |
1525 |
|
pEnc->mbParam.m_fcode--; |
1526 |
|
|
1527 |
|
pEnc->fMvPrevSigma = fSigma; |
1528 |
|
} |
1529 |
|
|
1530 |
|
#define BFRAME_SKIP_THRESHHOLD 30 |
1531 |
|
|
1532 |
/* FrameCodeP also handles S(GMC)-VOPs */ |
/* FrameCodeP also handles S(GMC)-VOPs */ |
1533 |
static int |
static int |
1534 |
FrameCodeP(Encoder * pEnc, |
FrameCodeP(Encoder * pEnc, |
1535 |
Bitstream * bs) |
Bitstream * bs) |
1536 |
{ |
{ |
|
float fSigma; |
|
1537 |
int bits = BitstreamPos(bs); |
int bits = BitstreamPos(bs); |
1538 |
|
|
1539 |
DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(dct_codes, 6, 64, int16_t, CACHE_LINE); |
1540 |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
DECLARE_ALIGNED_MATRIX(qcoeff, 6, 64, int16_t, CACHE_LINE); |
1541 |
|
|
1542 |
int x, y, k; |
int x, y, k; |
|
int iSearchRange; |
|
1543 |
int skip_possible; |
int skip_possible; |
1544 |
FRAMEINFO *const current = pEnc->current; |
FRAMEINFO *const current = pEnc->current; |
1545 |
FRAMEINFO *const reference = pEnc->reference; |
FRAMEINFO *const reference = pEnc->reference; |
1548 |
int mb_height = pParam->mb_height; |
int mb_height = pParam->mb_height; |
1549 |
int coded = 1; |
int coded = 1; |
1550 |
|
|
|
|
|
|
/* IMAGE *pCurrent = ¤t->image; */ |
|
1551 |
IMAGE *pRef = &reference->image; |
IMAGE *pRef = &reference->image; |
1552 |
|
|
1553 |
if (!reference->is_edged) { |
if (!reference->is_edged) { |
1815 |
} |
} |
1816 |
|
|
1817 |
emms(); |
emms(); |
1818 |
|
updateFcode(¤t->sStat, pEnc); |
|
if (current->sStat.iMvCount == 0) |
|
|
current->sStat.iMvCount = 1; |
|
|
|
|
|
fSigma = (float) sqrt((float) current->sStat.iMvSum / current->sStat.iMvCount); |
|
|
|
|
|
iSearchRange = 16 << pParam->m_fcode; |
|
|
|
|
|
if ((3.0 * fSigma > iSearchRange) && (pParam->m_fcode <= 5) ) |
|
|
pParam->m_fcode++; |
|
|
|
|
|
else if ((5.0 * fSigma < iSearchRange) |
|
|
&& (4.0 * pEnc->fMvPrevSigma < iSearchRange) |
|
|
&& (pParam->m_fcode >= 2) ) /* minimum search range 32 */ |
|
|
pParam->m_fcode--; |
|
|
|
|
|
pEnc->fMvPrevSigma = fSigma; |
|
1819 |
|
|
1820 |
/* frame drop code */ |
/* frame drop code */ |
1821 |
#if 0 |
#if 0 |