?? vopseenc.cpp
字號:
ppxlcU += iUvFrmWidth;
}
for (y = 0; y < iUVDataHeight; y++) {
Int size = (Int) fread (ppxlcV, sizeof (U8), m_rctPrevNoExpandY.width / 2, pfRefPicInputFile);
if (size == 0)
fprintf (stderr, "Unexpected end of file\n");
ppxlcV += iUvFrmWidth;
}
#endif
}
//OBSS_SAIT_991015 //for OBSS BVOP_BASE
else {
if(m_volmd.volType == BASE_LAYER && m_volmd.fAUsage != RECTANGLE)
saveBaseShapeMode();
}
//~OBSS_SAIT_991015
if (m_volmd.fAUsage != RECTANGLE) {
if (m_vopmd.vopPredType != BVOP) {
m_iNumMBRef = m_iNumMB;
m_iNumMBXRef = m_iNumMBX;
m_iNumMBYRef = m_iNumMBY;
m_iOffsetForPadY = m_rctRefFrameY.offset (m_rctCurrVOPY.left, m_rctCurrVOPY.top);
m_iOffsetForPadUV = m_rctRefFrameUV.offset (m_rctCurrVOPUV.left, m_rctCurrVOPUV.top);
m_rctPrevNoExpandY = m_rctCurrVOPY;
m_rctPrevNoExpandUV = m_rctCurrVOPUV;
m_rctRefVOPY1 = m_rctCurrVOPY;
m_rctRefVOPY1.expand (EXPANDY_REFVOP);
m_rctRefVOPUV1 = m_rctCurrVOPUV;
m_rctRefVOPUV1.expand (EXPANDUV_REFVOP);
m_pvopcRefQ1->setBoundRct (m_rctRefVOPY1);
}
//OBSS_SAIT_991015
else if ((m_volmd.bSpatialScalability && m_volmd.iHierarchyType==0) && m_volmd.volType == ENHN_LAYER && m_vopmd.vopPredType == BVOP) {
m_iNumMBRef = m_iNumMB;
m_iNumMBXRef = m_iNumMBX;
m_iNumMBYRef = m_iNumMBY;
m_iOffsetForPadY = m_rctRefFrameY.offset (m_rctCurrVOPY.left, m_rctCurrVOPY.top);
m_iOffsetForPadUV = m_rctRefFrameUV.offset (m_rctCurrVOPUV.left, m_rctCurrVOPUV.top);
m_rctPrevNoExpandY = m_rctCurrVOPY;
m_rctPrevNoExpandUV = m_rctCurrVOPUV;
m_rctRefVOPY1 = m_rctCurrVOPY;
m_rctRefVOPY1.expand (EXPANDY_REFVOP);
m_rctRefVOPUV1 = m_rctCurrVOPUV;
m_rctRefVOPUV1.expand (EXPANDUV_REFVOP);
}
else if (m_volmd.volType == BASE_LAYER && m_vopmd.vopPredType == BVOP) { //for Base layer BVOP padding
if(!m_volmd.bShapeOnly){
m_iOffsetForPadY = m_rctRefFrameY.offset (m_rctCurrVOPY.left, m_rctCurrVOPY.top);
m_iOffsetForPadUV = m_rctRefFrameUV.offset (m_rctCurrVOPUV.left, m_rctCurrVOPUV.top);
m_rctPrevNoExpandY = m_rctCurrVOPY;
m_rctPrevNoExpandUV = m_rctCurrVOPUV;
}
}
//~OBSS_SAIT_991015
// begin: added by by Sharp (98/2/10)
if ( bTemporalScalability && m_vopmd.vopPredType == BVOP ) {
m_iBVOPOffsetForPadY = m_rctRefFrameY.offset (m_rctCurrVOPY.left, m_rctCurrVOPY.top);
m_iBVOPOffsetForPadUV = m_rctRefFrameUV.offset (m_rctCurrVOPUV.left, m_rctCurrVOPUV.top);
m_rctBVOPPrevNoExpandY = m_rctCurrVOPY;
m_rctBVOPPrevNoExpandUV = m_rctCurrVOPUV;
m_rctBVOPRefVOPY1 = m_rctCurrVOPY;
m_rctBVOPRefVOPY1.expand (EXPANDY_REFVOP);
m_rctBVOPRefVOPUV1 = m_rctCurrVOPUV;
m_rctBVOPRefVOPUV1.expand (EXPANDUV_REFVOP);
}
// end: added by Sharp (98/2/10)
//this is ac/dc pred stuff; clean the memory
Int nBlk = (m_volmd.fAUsage == EIGHT_BIT) ? 6+m_volmd.iAuxCompCount*4 : 6;
delete [] m_rgblkmCurrMB;
for (Int iMB = 0; iMB < m_iNumMBX; iMB++) {
for (Int iBlk = 0; iBlk < nBlk; iBlk++) {
delete [] (m_rgpmbmAbove [iMB]->rgblkm) [iBlk];
delete [] (m_rgpmbmCurr [iMB]->rgblkm) [iBlk];
}
delete [] m_rgpmbmAbove [iMB]->rgblkm;
delete m_rgpmbmAbove [iMB];
delete [] m_rgpmbmCurr [iMB]->rgblkm;
delete m_rgpmbmCurr [iMB];
}
delete [] m_rgpmbmAbove;
delete [] m_rgpmbmCurr;
}
// begin: added by Sharp (98/2/10)
if ( bTemporalScalability && m_volmd.fAUsage == RECTANGLE ) {
m_iBVOPOffsetForPadY = m_iOffsetForPadY;
m_iBVOPOffsetForPadUV = m_iOffsetForPadUV;
m_rctBVOPPrevNoExpandY = m_rctPrevNoExpandY;
m_rctBVOPPrevNoExpandUV = m_rctPrevNoExpandUV;
m_rctBVOPRefVOPY1 = m_rctRefVOPY1;
m_rctBVOPRefVOPUV1 = m_rctRefVOPUV1;
}
// end: added by Sharp (98/2/10)
// __LOW_LATENCY_SPRITE_
if (m_uiSprite == 1 && m_sptMode != BASIC_SPRITE && m_vopmd.SpriteXmitMode != STOP)
return;
//OBSS_SAIT_991015
if (m_volmd.bShapeOnly)
return;
//~OBSS_SAIT_991015
if (m_vopmd.vopPredType != BVOP || (m_volmd.volType == ENHN_LAYER && !((m_volmd.bSpatialScalability && m_volmd.iHierarchyType==0) && m_volmd.fAUsage == ONE_BIT)) ) { //OBSS_SAIT_991015
repeatPadYOrA ((PixelC*) m_pvopcRefQ1->pixelsY () + m_iOffsetForPadY, m_pvopcRefQ1);
repeatPadUV (m_pvopcRefQ1);
if (m_volmd.fAUsage != RECTANGLE) {
if (m_volmd.fAUsage == EIGHT_BIT) {
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
repeatPadYOrA ((PixelC*) m_pvopcRefQ1->pixelsA (iAuxComp) + m_iOffsetForPadY, m_pvopcRefQ1);
}
}
}
}
if( m_volmd.volType == ENHN_LAYER &&
m_vopmd.vopPredType == BVOP &&
m_vopmd.iRefSelectCode == 0){
repeatPadYOrA ((PixelC*) m_pvopcCurrQ->pixelsY () + m_iOffsetForPadY, m_pvopcCurrQ);
repeatPadUV (m_pvopcCurrQ);
}
//OBSS_SAIT_991015 //Base layer BVOP padding for OBSS
if (m_volmd.volType == BASE_LAYER && m_vopmd.vopPredType == BVOP) {
if(!m_volmd.bShapeOnly){
repeatPadYOrA ((PixelC*) m_pvopcCurrQ->pixelsY () + m_iOffsetForPadY, m_pvopcCurrQ);
repeatPadUV (m_pvopcCurrQ);
}
if (m_volmd.fAUsage != RECTANGLE) {
if (m_volmd.fAUsage == EIGHT_BIT) {
for(Int iAuxComp=0;iAuxComp<m_volmd.iAuxCompCount;iAuxComp++) { // MAC (SB) 26-Nov-99
repeatPadYOrA ((PixelC*) m_pvopcCurrQ->pixelsA (iAuxComp) + m_iOffsetForPadY, m_pvopcCurrQ);
}
}
}
}
//OBSS_SAIT_991015
// GMC
if(m_uiSprite == 2 && m_vopmd.vopPredType != BVOP)
updateAllOrigRefVOPs (); // update all original reference (MotionEsti) VOP's
else
// ~GMC
if (m_volmd.bOriginalForME) {
if (m_vopmd.vopPredType == IVOP || m_vopmd.vopPredType == PVOP ||
(m_volmd.volType == ENHN_LAYER && m_vopmd.vopPredType == BVOP && m_vopmd.iRefSelectCode == 0))
updateAllOrigRefVOPs (); // update all original reference (MotionEsti) VOP's
}
}
Void CVideoObjectEncoder::codeVOHead ()
{
m_pbitstrmOut -> putBits (START_CODE_PREFIX, NUMBITS_START_CODE_PREFIX, "VO_Start_Code");
m_pbitstrmOut -> putBits (VO_START_CODE, NUMBITS_VO_START_CODE, "VO_Start_Code"); //plus 3 bits
m_pbitstrmOut -> putBits (m_uiVOId, NUMBITS_VO_ID, "VO_Id");
UInt uiNumBits = NUMBITS_START_CODE_PREFIX + NUMBITS_VO_START_CODE + NUMBITS_VO_ID;;
m_statsVOL.nBitsHead += uiNumBits;
cout << "VO Overhead" << "\t\t" << uiNumBits << "\n\n";
cout.flush ();
}
Void CVideoObjectEncoder::codeVOLHead (Int iSessionWidth, Int iSessionHeight)
{
m_pbitstrmOut -> putBits (START_CODE_PREFIX, NUMBITS_START_CODE_PREFIX, "VOL_Start_Code");
m_pbitstrmOut -> putBits (VOL_START_CODE, NUMBITS_VOL_START_CODE, "VOL_Start_Code"); //plus 4 bits
m_pbitstrmOut -> putBits ((Int) (m_volmd.volType == ENHN_LAYER), NUMBITS_VOL_ID, "VOL_Id"); // by katata
m_statsVOL.nBitsHead+=NUMBITS_START_CODE_PREFIX+NUMBITS_VOL_START_CODE+NUMBITS_VOL_ID;
// Begin: modified by Hughes 4/9/98 per clause 2.1.7. in N2171 document
m_pbitstrmOut -> putBits ((Int) 0, 1, "VOL_Random_Access"); //isn't this a system level flg?
m_statsVOL.nBitsHead++;
// End: modified by Hughes 4/9/98
m_pbitstrmOut -> putBits ((Int) 4, 8, "VOL_Type_Indicator"); // Set to indicate MAIN profile.
m_statsVOL.nBitsHead+=8;
// GMC
if(m_volmd.uiVerID == 2){
m_pbitstrmOut -> putBits ((Int) 1, 1, "VOL_Is_Object_Layer_Identifier");
// Here, is_object_layer_identifier is used for Version1/Version2
// identification at this moment (tentative solution).
// vol_type_indicator is set to indicate Main profile (not version 2).
// need discussion at Video Group about this issue.
m_pbitstrmOut -> putBits ((Int) 2, 4, "VOL_Verid");
m_pbitstrmOut -> putBits ((Int) 1, 3, "VOL_Priority");
m_statsVOL.nBitsHead+=8;
}else{
m_pbitstrmOut -> putBits ((Int) 0, 1, "VOL_Is_Object_Layer_Identifier"); //useless flag for now
m_statsVOL.nBitsHead++;
}
// ~GMC
m_pbitstrmOut -> putBits ((Int) 1, 4, "aspect_ratio_info"); // square pix
m_statsVOL.nBitsHead+=4;
m_pbitstrmOut -> putBits (m_volmd.uiVolControlParameters, 1, "VOL_Control_Parameters"); //useless flag for now
m_statsVOL.nBitsHead++;
if(m_volmd.uiVolControlParameters)
{
m_pbitstrmOut -> putBits (m_volmd.uiChromaFormat, 2, "Chroma_Format");
m_pbitstrmOut -> putBits (m_volmd.uiLowDelay, 1, "Low_Delay");
m_pbitstrmOut -> putBits (m_volmd.uiVBVParams, 1, "VBV_Params");
m_statsVOL.nBitsHead += 2 + 1 + 1;
if(m_volmd.uiVBVParams)
{
UInt uiFirstHalfBitRate = (m_volmd.uiBitRate >> 15);
UInt uiLatterHalfBitRate = (m_volmd.uiBitRate & 0x7fff);
m_pbitstrmOut -> putBits (uiFirstHalfBitRate, 15, "FirstHalf_BitRate");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_pbitstrmOut -> putBits (uiLatterHalfBitRate, 15, "LatterHalf_BitRate");
m_pbitstrmOut -> putBits (1, 1, "Marker");
UInt uiFirstHalfVbvBufferSize = (m_volmd.uiVbvBufferSize >> 3);
UInt uiLatterHalfVbvBufferSize = (m_volmd.uiVbvBufferSize & 7);
m_pbitstrmOut -> putBits (uiFirstHalfVbvBufferSize, 15, "FirstHalf_VbvBufferSize");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_pbitstrmOut -> putBits (uiLatterHalfVbvBufferSize, 3, "LatterHalf_VbvBufferSize");
UInt uiFirstHalfVbvBufferOccupany = (m_volmd.uiVbvBufferOccupany >> 15);
UInt uiLatterHalfVbvBufferOccupany = (m_volmd.uiVbvBufferOccupany & 0x7fff);
m_pbitstrmOut -> putBits (uiFirstHalfVbvBufferOccupany, 11, "FirstHalf_VbvBufferOccupany");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_pbitstrmOut -> putBits (uiLatterHalfVbvBufferOccupany, 15, "LatterHalf_VbvBufferOccupany");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_statsVOL.nBitsHead += 15 + 15 + 15 + 3 + 11 + 15;
m_statsVOL.nBitsStuffing += 5;
}
}
if(m_volmd.bShapeOnly==TRUE)
{
m_pbitstrmOut -> putBits ((Int) 2, NUMBITS_VOL_SHAPE, "VOL_Shape_Type");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_pbitstrmOut -> putBits (m_volmd.iClockRate, NUMBITS_TIME_RESOLUTION, "VOL_Time_Increment_Resolution");
m_pbitstrmOut -> putBits (1, 1, "Marker");
m_pbitstrmOut -> putBits (0, 1, "VOL_Fixed_Vop_Rate");
//OBSS_SAIT_991015
if(m_volmd.uiVerID != 1){
m_pbitstrmOut -> putBits (m_volmd.volType == ENHN_LAYER, 1, "VOL_Scalability");
m_statsVOL.nBitsHead++;
if (m_volmd.volType == ENHN_LAYER) {
m_pbitstrmOut -> putBits (m_volmd.ihor_sampling_factor_n_shape, 5, "VOL_Horizontal_Sampling_Factor_SHAPE");
m_pbitstrmOut -> putBits (m_volmd.ihor_sampling_factor_m_shape, 5, "VOL_Horizontal_Sampling_Factor_Ref_SHAPE");
m_pbitstrmOut -> putBits (m_volmd.iver_sampling_factor_n_shape, 5, "VOL_Vertical_Sampling_Factor_SHAPE");
m_pbitstrmOut -> putBits (m_volmd.iver_sampling_factor_m_shape, 5, "VOL_Vertical_Sampling_Factor_Ref_SHAPE");
m_statsVOL.nBitsHead += 20;
//RESYNC_MARKER_FIX
m_pbitstrmOut -> putBits (m_volmd.bResyncMarkerDisable, 1, "VOL_resync_marker_disable");
// m_pbitstrmOut -> putBits (0, 1, "VOL_resync_marker_disable");
//~RESYNC_MARKER_FIX
}
else
m_pbitstrmOut -> putBits (0, 1, "VOL_resync_marker_disable");
}
else
//RESYNC_MARKER_FIX
m_pbitstrmOut -> putBits (m_volmd.bResyncMarkerDisable, 1, "VOL_resync_marker_disable");
// m_pbitstrmOut -> putBits (0, 1, "VOL_resync_marker_disable");
//~RESYNC_MARKER_FIX
//~OBSS_SAIT_991015
m_statsVOL.nBitsHead += NUMBITS_VOL_SHAPE + NUMBITS_TIME_RESOLUTION + 2;
m_statsVOL.nBitsStuffing +=2;
cout << "VOL Overhead" << "\t\t" << m_statsVOL.nBitsHead << "\n\n";
cout.flush ();
return;
}
else
{
Int iAUsage = (Int)m_volmd.fAUsage;
if(iAUsage==2) // CD: 0 = rect, 1 = binary, 2 = shape only, 3 = grey alpha
iAUsage = 3;
m_pbitstrmOut -> putBits (iAUsage, NUMBITS_VOL_SHAPE, "VOL_Shape_Type");
if (iAUsage==3 && m_volmd.uiVerID!=1) // MAC (SB) 2-Dec-99
{
if(m_volmd.iAlphaShapeExtension>=0)
m_pbitstrmOut -> putBits ( m_volmd.iAlphaShapeExtension, 4, "VOL_Shape_Extension");
else
m_pbitstrmOut -> putBits ( 0, 4, "VOL_Shape_Extension");
}
m_pbitstrmOut -> putBits (1, 1, "Marker");
// GMC
m_statsVOL.nBitsStuffing ++;
// ~GMC
m_pbitstrmOut -> putBits (m_volmd.iClockRate, NUMBITS_TIME_RESOLUTION, "VOL_Time_Increment_Resolution");
m_pbitstrmOut -> putBits (1, 1, "Marker");
// GMC
m_statsVOL.nBitsStuffing ++;
// ~GMC
m_pbitstrmOut -> putBits (0, 1, "VOL_Fixed_Vop_Rate");
m_statsVOL.nBitsHead += NUMBITS_VOL_SHAPE + NUMBITS_TIME_RESOLUTION + 1;
if (m_volmd.fAUsage == RECTANGLE) {
m_pbitstrmOut -> putBits (MARKER_BIT, 1, "Marker_Bit");
m_statsVOL.nBitsStuffing ++;
m_pbitstrmOut -> putBits (iSessionWidth, NUMBITS_VOP_WIDTH, "VOL_Width");
m_pbitstrmOut -> putBits (MARKER_BIT, 1, "Marker_Bit");
m_statsVOL.nBitsStuffing ++;
m_pbitstrmOut -> putBits (iSessionHeight, NUMBITS_VOP_HEIGHT, "VOL_Height");
m_pbitstrmOut -> putBits (MARKER_BIT, 1, "Marker_Bit");
m_statsVOL.nBitsStuffing ++;
m_statsVOL.nBitsHead += NUMBITS_VOP_WIDTH + NUMBITS_VOP_HEIGHT;
}
}
m_pbitstrmOut -> putBits (m_vopmd.bInterlace, (UInt) 1, "VOL_interlace");
m_statsVOL.nBitsHead++;
m_pbitstrmOut -> putBits (m_volmd.bAdvPredDisable, (UInt) 1, "VOL_OBMC_Disable");
m_statsVOL.nBitsHead++;
// code sprite info
// GMC
if(m_volmd.uiVerID == 2){
m_pbitstrmOut -> putBits (m_uiSprite, 2, "VOL_Sprite_Usage");
m_statsVOL.nBitsHead += 2;
}else{
// ~GMC
m_pbitstrmOut -> putBits (m_uiSprite, 1, "VOL_Sprite_Usage");
m_statsVOL.nBitsHead ++;
// GMC
}
// ~GMC
if (m_uiSprite == 1) {
m_pbitstrmOut -> putBits (m_rctSpt.width, NUMBITS_SPRITE_HDIM, "SPRT_hdim");
m_statsVOL.nBitsHead += NUMBITS_SPRITE_HDIM;
m_pbitstrmOut -> putBits (MARKER_BIT, 1, "Marker_Bit");
m_statsVOL.nBitsStuffing ++;
m_pbitstrmOut -> putBits (m_rctSpt.height (), NUMBITS_SPRITE_VDIM, "SPRT_vdim");
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