--- encoder.c 2002/09/30 09:19:26 1.76.2.7 +++ encoder.c 2002/10/05 21:36:35 1.76.2.12 @@ -39,7 +39,7 @@ * MinChen * 14.04.2002 added FrameCodeB() * - * $Id: encoder.c,v 1.76.2.7 2002/09/30 09:19:26 chl Exp $ + * $Id: encoder.c,v 1.76.2.12 2002/10/05 21:36:35 Isibaar Exp $ * ****************************************************************************/ @@ -744,16 +744,26 @@ if (pEnc->bframenum_head > 0) { pEnc->bframenum_head = pEnc->bframenum_tail = 0; + /* write an empty marker to the bitstream. + + for divx5 decoder compatibility, this marker must consist + of a not-coded p-vop, with a time_base of zero, and time_increment + indentical to the future-referece frame. + */ + if ((pEnc->global & XVID_GLOBAL_PACKED)) { + int tmp; DPRINTF(DPRINTF_DEBUG,"*** EMPTY bf: head=%i tail=%i queue: head=%i tail=%i size=%i", pEnc->bframenum_head, pEnc->bframenum_tail, pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); - set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase); - BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); BitstreamPad(&bs); - BitstreamPutBits(&bs, 0x7f, 8); + + tmp = pEnc->current->seconds; + pEnc->current->seconds = 0; /* force time_base = 0 */ + BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); + pEnc->current->seconds = tmp; pFrame->length = BitstreamLength(&bs); pFrame->intra = 0; @@ -815,22 +825,20 @@ pEnc->queue_head = (pEnc->queue_head + 1) % pEnc->mbParam.max_bframes; pEnc->queue_size--; - } else if (BitstreamPos(&bs) == 0) { + } else { - DPRINTF(DPRINTF_DEBUG,"*** SKIP bf: head=%i tail=%i queue: head=%i tail=%i size=%i", - pEnc->bframenum_head, pEnc->bframenum_tail, - pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); + /* if nothing was encoded, write an 'ignore this frame' flag + to the bitstream */ - pFrame->intra = 0; + if (BitstreamPos(&bs) == 0) { - set_timecodes(pEnc->current,pEnc->reference,pEnc->mbParam.fbase); - BitstreamWriteVopHeader(&bs, &pEnc->mbParam, pEnc->current, 0); // write N_VOP - BitstreamPad(&bs); - pFrame->length = BitstreamLength(&bs); - - return XVID_ERR_OK; + DPRINTF(DPRINTF_DEBUG,"*** SKIP bf: head=%i tail=%i queue: head=%i tail=%i size=%i", + pEnc->bframenum_head, pEnc->bframenum_tail, + pEnc->queue_head, pEnc->queue_tail, pEnc->queue_size); - } else { + BitstreamPutBits(&bs, 0x7f, 8); + pFrame->intra = 0; + } pFrame->length = BitstreamLength(&bs); return XVID_ERR_OK; @@ -872,7 +880,7 @@ if ((pEnc->global & XVID_GLOBAL_DEBUG)) { image_printf(&pEnc->current->image, pEnc->mbParam.edged_width, pEnc->mbParam.height, 5, 5, - "%i if:%i st:%i:%i", pEnc->m_framenum++, pEnc->iFrameNum, pEnc->current->seconds, pEnc->current->ticks); + "%i if:%i st:%i", pEnc->m_framenum++, pEnc->iFrameNum, pEnc->current->stamp); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -963,7 +971,7 @@ pEnc->flush_bframes = 1; if ((pEnc->global & XVID_GLOBAL_PACKED) && pEnc->bframenum_tail > 0) { - BitstreamPad(&bs); + BitstreamPadAlways(&bs); input_valid = 0; goto ipvop_loop; } @@ -990,7 +998,7 @@ pEnc->flush_bframes = 1; if ((pEnc->global & XVID_GLOBAL_PACKED)) { - BitstreamPad(&bs); + BitstreamPadAlways(&bs); input_valid = 0; goto ipvop_loop; } @@ -1112,6 +1120,8 @@ pEnc->current->motion_flags = pFrame->motion; pEnc->mbParam.hint = &pFrame->hint; + inc_frame_num(pEnc); + /* disable alternate scan flag if interlacing is not enabled */ if ((pEnc->current->global_flags & XVID_ALTERNATESCAN) && !(pEnc->current->global_flags & XVID_INTERLACING)) @@ -1141,6 +1151,11 @@ pEnc->current->quant = pFrame->quant; } + if ((pEnc->current->global_flags & XVID_QUARTERPEL)) + pEnc->mbParam.m_quarterpel = 1; + else + pEnc->mbParam.m_quarterpel = 0; + if ((pEnc->current->global_flags & XVID_LUMIMASKING)) { int *temp_dquants = (int *) xvid_malloc(pEnc->mbParam.mb_width * @@ -1246,7 +1261,6 @@ DEBUG(temp); #endif - inc_frame_num(pEnc); pEnc->iFrameNum++; stop_global_timer(); @@ -1571,7 +1585,7 @@ int iLimit; int x, y, k; int iSearchRange; - int bIntra; + int bIntra, skip_possible; /* IMAGE *pCurrent = &pEnc->current->image; */ IMAGE *pRef = &pEnc->reference->image; @@ -1597,6 +1611,7 @@ image_interpolate(pRef, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, + pEnc->mbParam.m_quarterpel, pEnc->current->rounding_type); stop_inter_timer(); } @@ -1604,8 +1619,11 @@ start_timer(); if (pEnc->current->global_flags & XVID_HINTEDME_SET) { HintedMESet(pEnc, &bIntra); - if (bIntra == 0) MotionEstimationHinted(&pEnc->mbParam, pEnc->current, pEnc->reference, + if (bIntra == 0) { + pEnc->current->fcode = FindFcode(&pEnc->mbParam, pEnc->current); + MotionEstimationHinted(&pEnc->mbParam, pEnc->current, pEnc->reference, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV); + } } else { @@ -1648,6 +1666,7 @@ dct_codes, pEnc->mbParam.width, pEnc->mbParam.height, pEnc->mbParam.edged_width, + pEnc->mbParam.m_quarterpel, pEnc->current->rounding_type); stop_comp_timer(); @@ -1693,10 +1712,15 @@ /* Finished processing the MB, now check if to CODE or SKIP */ - if ((pMB->mode == MODE_NOT_CODED) || - (pMB->cbp == 0 && pMB->mode == MODE_INTER && pMB->mvs[0].x == 0 && - pMB->mvs[0].y == 0 && pMB->dquant == NO_CHANGE)) { + skip_possible = (pMB->cbp == 0) & (pMB->mode == MODE_INTER) & + (pMB->dquant == NO_CHANGE); + + if(pEnc->mbParam.m_quarterpel) + skip_possible &= (pMB->qmvs[0].x == 0) & (pMB->qmvs[0].y == 0); + else + skip_possible &= (pMB->mvs[0].x == 0) & (pMB->mvs[0].y == 0); + if ((pMB->mode == MODE_NOT_CODED) || (skip_possible)) { /* This is a candidate for SKIPping, but check intermediate B-frames first */ int bSkip = 1; @@ -1716,7 +1740,10 @@ if (!bSkip) { VECTOR predMV; - predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0); + if(pEnc->mbParam.m_quarterpel) + predMV = get_qpmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0); + else + predMV = get_pmv2(pEnc->current->mbs, pEnc->mbParam.mb_width, 0, x, y, 0); pMB->pmvs[0].x = -predMV.x; pMB->pmvs[0].y = -predMV.y; pMB->mode = MODE_INTER; pMB->cbp = 0; @@ -1751,14 +1778,14 @@ iSearchRange = 1 << (3 + pEnc->mbParam.m_fcode); if ((fSigma > iSearchRange / 3) - && (pEnc->mbParam.m_fcode <= 3)) // maximum search range 128 + && (pEnc->mbParam.m_fcode <= (3 + pEnc->mbParam.m_quarterpel))) // maximum search range 128 { pEnc->mbParam.m_fcode++; iSearchRange *= 2; } else if ((fSigma < iSearchRange / 6) && (pEnc->sStat.fMvPrevSigma >= 0) && (pEnc->sStat.fMvPrevSigma < iSearchRange / 6) - && (pEnc->mbParam.m_fcode >= 2)) // minimum search range 16 + && (pEnc->mbParam.m_fcode >= (2 + pEnc->mbParam.m_quarterpel))) // minimum search range 16 { pEnc->mbParam.m_fcode--; iSearchRange /= 2; @@ -1830,7 +1857,7 @@ start_timer(); image_interpolate(f_ref, &pEnc->f_refh, &pEnc->f_refv, &pEnc->f_refhv, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, - 0); + pEnc->mbParam.m_quarterpel, 0); stop_inter_timer(); // backward @@ -1840,7 +1867,7 @@ start_timer(); image_interpolate(b_ref, &pEnc->vInterH, &pEnc->vInterV, &pEnc->vInterHV, pEnc->mbParam.edged_width, pEnc->mbParam.edged_height, - 0); + pEnc->mbParam.m_quarterpel, 0); stop_inter_timer(); start_timer();