/* /////////////////////////////////////////////////////////////////////// // // INTEL CORPORATION PROPRIETARY INFORMATION // This software is supplied under the terms of a license agreement or // nondisclosure agreement with Intel Corporation and may not be copied // or disclosed except in accordance with the terms of that agreement. // Copyright (c) 2001-2007 Intel Corporation. All Rights Reserved. // // Description: Decodes B-VOPs // */ #include "mp4def.h" #include "mp4dec.h" /* // Purpose: decode MPEG-4 BVOP */ mp4_Status mp4_DecodeVOP_B(mp4_Info* pInfo) { __ALIGN16(int16_t, coeffMB, 64*6); __ALIGN16(uint8_t, tmpMB, 64*4); uint32_t code; uint8_t *pYc, *pCbc, *pCrc, *pYp, *pCbp, *pCrp, *pYn, *pCbn, *pCrn, *pc, *pr, *pn; int32_t stepYp, stepYc, stepYn, stepCbp, stepCbc, stepCbn, stepCrp, stepCrc, stepCrn, mbPerRow, mbPerCol; int32_t dx, dy, TRB, TRD, quant, mbCurr, mbInVideoPacket, colNum, rowNum; IppiRect limitRectL, limitRectC; int32_t quarter_sample, modb, mb_type, cbpb, dct_type, field_prediction, rvlc = 0, scan; int32_t mb_ftfr, mb_fbfr, mb_btfr, mb_bbfr, fcode_forward, fcode_backward; mp4_MacroBlock *pMBinfo; mp4_Status sts; sts = MP4_STATUS_OK; if (!pInfo->VisualObject.cFrame) pInfo->VisualObject.cFrame = CreateFrame(&pInfo->VisualObject); stepYc = pInfo->VisualObject.cFrame->stepY; stepYp = pInfo->VisualObject.rFrame->stepY; stepYn = pInfo->VisualObject.nFrame->stepY; stepCbc = pInfo->VisualObject.cFrame->stepCb; stepCbp = pInfo->VisualObject.rFrame->stepCb; stepCbn = pInfo->VisualObject.nFrame->stepCb; stepCrc = pInfo->VisualObject.cFrame->stepCr; stepCrp = pInfo->VisualObject.rFrame->stepCr; stepCrn = pInfo->VisualObject.nFrame->stepCr; pYc = pInfo->VisualObject.cFrame->pY; pCbc = pInfo->VisualObject.cFrame->pCb; pCrc = pInfo->VisualObject.cFrame->pCr; pYp = pInfo->VisualObject.rFrame->pY; pCbp = pInfo->VisualObject.rFrame->pCb; pCrp = pInfo->VisualObject.rFrame->pCr; pYn = pInfo->VisualObject.nFrame->pY; pCbn = pInfo->VisualObject.nFrame->pCb; pCrn = pInfo->VisualObject.nFrame->pCr; quarter_sample = pInfo->VisualObject.VideoObject.quarter_sample; scan = pInfo->VisualObject.VideoObject.VideoObjectPlane.alternate_vertical_scan_flag ? IPPVC_SCAN_VERTICAL : IPPVC_SCAN_ZIGZAG; fcode_forward = pInfo->VisualObject.VideoObject.VideoObjectPlane.fcode_forward; fcode_backward = pInfo->VisualObject.VideoObject.VideoObjectPlane.fcode_backward; // Bounding rectangles for MV limitation limitRectL.x = - 16 * MP4_NUM_EXT_MB; limitRectL.y = - 16 * MP4_NUM_EXT_MB; limitRectL.width = pInfo->VisualObject.VideoObject.width + 16 * 2 * MP4_NUM_EXT_MB; limitRectL.height = pInfo->VisualObject.VideoObject.height + 16 * 2 * MP4_NUM_EXT_MB; limitRectC.x = -8 * MP4_NUM_EXT_MB; limitRectC.y = -8 * MP4_NUM_EXT_MB; limitRectC.width = (pInfo->VisualObject.VideoObject.width >> 1) + 8 * 2 * MP4_NUM_EXT_MB; limitRectC.height = (pInfo->VisualObject.VideoObject.height >> 1) + 8 * 2 * MP4_NUM_EXT_MB; quant = pInfo->VisualObject.VideoObject.VideoObjectPlane.quant; mbPerRow = pInfo->VisualObject.VideoObject.MacroBlockPerRow; mbPerCol = pInfo->VisualObject.VideoObject.MacroBlockPerCol; mbCurr = colNum = rowNum = 0; TRD = pInfo->VisualObject.VideoObject.TRD; TRB = pInfo->VisualObject.VideoObject.TRB; pMBinfo = pInfo->VisualObject.VideoObject.MBinfo; // decode interlaced B-VOP if (pInfo->VisualObject.VideoObject.interlaced) { IppMotionVector mvCbCrF, mvCbCrB, mvForwT, mvBackT, mvForwB, mvBackB, mvForw[4], mvBack[4], mvCbCrFFT, mvCbCrFFB, mvCbCrBFT, mvCbCrBFB, *mvField = pInfo->VisualObject.VideoObject.FieldMV; // warning "variable may be used without having been initialized" mvCbCrF.dx = mvCbCrF.dy = mvCbCrB.dx = mvCbCrB.dy = mvCbCrFFT.dx = mvCbCrFFT.dy = mvCbCrFFB.dx = mvCbCrFFB.dy = mvCbCrBFT.dx = mvCbCrBFT.dy = mvCbCrBFB.dx = mvCbCrBFB.dy = 0; mb_ftfr = mb_fbfr = mb_btfr = mb_bbfr = 0; for (;;) { mbInVideoPacket = 0; // reset MV predictors at new VideoPacket mvForwT.dx = mvForwT.dy = mvBackT.dx = mvBackT.dy = mvForwB.dx = mvForwB.dy = mvBackB.dx = mvBackB.dy = 0; // decode B-VOP macroblocks for (;;) { if (pMBinfo->not_coded) { ippiCopy16x16_8u_C1R(pYp, stepYp, pYc, stepYc); ippiCopy8x8_8u_C1R(pCbp, stepCbp, pCbc, stepCbc); ippiCopy8x8_8u_C1R(pCrp, stepCrp, pCrc, stepCrc); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_NOTCODED); } else { cbpb = 0; if (mp4_GetBit(pInfo)) { modb = 2; mb_type = IPPVC_MBTYPE_DIRECT; } else { modb = mp4_GetBit(pInfo); // decode mb_type code = mp4_ShowBits9(pInfo, 4); if (code != 0) { mb_type = mp4_BVOPmb_type[code].code; mp4_FlushBits(pInfo, mp4_BVOPmb_type[code].len); } else { mp4_Error("Error when decode mb_type of B-VOP macroblock"); goto Err_1; } if (modb == 0) cbpb = mp4_GetBits9(pInfo, 6); if (mb_type != IPPVC_MBTYPE_DIRECT && cbpb != 0) mp4_UpdateQuant_B(pInfo, quant); } dct_type = 0; field_prediction = 0; if (cbpb != 0) dct_type = mp4_GetBit(pInfo); if (mb_type != IPPVC_MBTYPE_DIRECT) { field_prediction = mp4_GetBit(pInfo); if (field_prediction) { if (mb_type != IPPVC_MBTYPE_BACKWARD) { mb_ftfr = mp4_GetBit(pInfo); mb_fbfr = mp4_GetBit(pInfo); } if (mb_type != IPPVC_MBTYPE_FORWARD) { mb_btfr = mp4_GetBit(pInfo); mb_bbfr = mp4_GetBit(pInfo); } } } // coordinates of current MB for limitation dx = colNum * 16; dy = rowNum * 16; if (mb_type == IPPVC_MBTYPE_FORWARD) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_FORWARD); if (!field_prediction) { if (mp4_DecodeMV(pInfo, &mvForwT, fcode_forward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitMVQ(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvForw[0], &mvCbCrF); mp4_Copy16x16QP_8u(pYp, stepYp, pYc, stepYc, &mvForw[0], 0); } else { mp4_LimitMV(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvForw[0], &mvCbCrF); mp4_Copy16x16HP_8u(pYp, stepYp, pYc, stepYc, &mvForw[0], 0); } //mvForw[1] = mvForw[2] = mvForw[3] = mvForw[0]; mvForwB = mvForwT; } else { mvForwT.dy = (int16_t)mp4_Div2(mvForwT.dy); if (mp4_DecodeMV(pInfo, &mvForwT, fcode_forward) != MP4_STATUS_OK) goto Err_1; mvForwB.dy = (int16_t)mp4_Div2(mvForwB.dy); if (mp4_DecodeMV(pInfo, &mvForwB, fcode_forward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitFMVQ(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mvForw[0].dx = (int16_t)mp4_Div2(mvForw[0].dx); mvForw[0].dy = (int16_t)(mp4_Div2(mvForw[0].dy*2) >> 1); mp4_LimitFMVQ(&mvForwB, &mvForw[2], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); mvForw[2].dx = (int16_t)mp4_Div2(mvForw[2].dx); mvForw[2].dy = (int16_t)(mp4_Div2(mvForw[2].dy*2) >> 1); } else { mp4_LimitFMV(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mp4_LimitFMV(&mvForwB, &mvForw[2], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); } mvForwT.dy <<= 1; mvForwB.dy <<= 1; //mvForw[1] = mvForw[0]; //mvForw[3] = mvForw[2]; mp4_ComputeChromaMV(&mvForw[0], &mvCbCrFFT); mp4_ComputeChromaMV(&mvForw[2], &mvCbCrFFB); } if (mp4_DecodeInterMB(pInfo, coeffMB, quant, cbpb, scan) != MP4_STATUS_OK) goto Err_1; if (!dct_type) { mp4_AddResidual(cbpb & 32, pYc, stepYc, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc*8, stepYc, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc*8+8, stepYc, coeffMB+192); } else { mp4_AddResidual(cbpb & 32, pYc, stepYc*2, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc*2, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc, stepYc*2, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc+8, stepYc*2, coeffMB+192); } if (!field_prediction) { mp4_MC_HP(cbpb & 2, pCbp, stepCbp, pCbc, stepCbc, coeffMB+256, &mvCbCrF, 0); mp4_MC_HP(cbpb & 1, pCrp, stepCrp, pCrc, stepCrc, coeffMB+320, &mvCbCrF, 0); } else { mp4_Copy8x4HP_8u(pCbp+(mb_ftfr ? stepCbp : 0), stepCbp*2, pCbc, stepCbc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCrp+(mb_ftfr ? stepCrp : 0), stepCrp*2, pCrc, stepCrc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCbp+(mb_fbfr ? stepCbp : 0), stepCbp*2, pCbc+stepCbc, stepCbc*2, &mvCbCrFFB, 0); mp4_Copy8x4HP_8u(pCrp+(mb_fbfr ? stepCrp : 0), stepCrp*2, pCrc+stepCrc, stepCrc*2, &mvCbCrFFB, 0); mp4_AddResidual(cbpb & 2, pCbc, stepCbc, coeffMB+256); mp4_AddResidual(cbpb & 1, pCrc, stepCrc, coeffMB+320); } } else if (mb_type == IPPVC_MBTYPE_BACKWARD) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_BACKWARD); if (!field_prediction) { if (mp4_DecodeMV(pInfo, &mvBackT, fcode_backward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitMVQ(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvBack[0], &mvCbCrB); mp4_Copy16x16QP_8u(pYn, stepYn, pYc, stepYc, &mvBack[0], 0); } else { mp4_LimitMV(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvBack[0], &mvCbCrB); mp4_Copy16x16HP_8u(pYn, stepYn, pYc, stepYc, &mvBack[0], 0); } //mvBack[1] = mvBack[2] = mvBack[3] = mvBack[0]; mvBackB = mvBackT; } else { mvBackT.dy = (int16_t)mp4_Div2(mvBackT.dy); if (mp4_DecodeMV(pInfo, &mvBackT, fcode_backward) != MP4_STATUS_OK) goto Err_1; mvBackB.dy = (int16_t)mp4_Div2(mvBackB.dy); if (mp4_DecodeMV(pInfo, &mvBackB, fcode_backward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitFMVQ(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYn+(mb_btfr ? stepYn : 0), stepYn*2, pYc, stepYc*2, &mvBack[0], 0); mvBack[0].dx = (int16_t)mp4_Div2(mvBack[0].dx); mvBack[0].dy = (int16_t)(mp4_Div2(mvBack[0].dy*2) >> 1); mp4_LimitFMVQ(&mvBackB, &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYn+(mb_bbfr ? stepYn : 0), stepYn*2, pYc+stepYc, stepYc*2, &mvBack[2], 0); mvBack[2].dx = (int16_t)mp4_Div2(mvBack[2].dx); mvBack[2].dy = (int16_t)(mp4_Div2(mvBack[2].dy*2) >> 1); } else { mp4_LimitFMV(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYn+(mb_btfr ? stepYn : 0), stepYn*2, pYc, stepYc*2, &mvBack[0], 0); mp4_LimitFMV(&mvBackB, &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYn+(mb_bbfr ? stepYn : 0), stepYn*2, pYc+stepYc, stepYc*2, &mvBack[2], 0); } mvBackT.dy <<= 1; mvBackB.dy <<= 1; //mvBack[1] = mvBack[0]; //mvBack[3] = mvBack[2]; mp4_ComputeChromaMV(&mvBack[0], &mvCbCrBFT); mp4_ComputeChromaMV(&mvBack[2], &mvCbCrBFB); } if (mp4_DecodeInterMB(pInfo, coeffMB, quant, cbpb, scan) != MP4_STATUS_OK) goto Err_1; if (!dct_type) { mp4_AddResidual(cbpb & 32, pYc, stepYc, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc*8, stepYc, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc*8+8, stepYc, coeffMB+192); } else { mp4_AddResidual(cbpb & 32, pYc, stepYc*2, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc*2, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc, stepYc*2, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc+8, stepYc*2, coeffMB+192); } if (!field_prediction) { mp4_MC_HP(cbpb & 2, pCbn, stepCbn, pCbc, stepCbc, coeffMB+256, &mvCbCrB, 0); mp4_MC_HP(cbpb & 1, pCrn, stepCrn, pCrc, stepCrc, coeffMB+320, &mvCbCrB, 0); } else { mp4_Copy8x4HP_8u(pCbn+(mb_btfr ? stepCbn : 0), stepCbn*2, pCbc, stepCbc*2, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCrn+(mb_btfr ? stepCrn : 0), stepCrn*2, pCrc, stepCrc*2, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCbn+(mb_bbfr ? stepCbn : 0), stepCbn*2, pCbc+stepCbc, stepCbc*2, &mvCbCrBFB, 0); mp4_Copy8x4HP_8u(pCrn+(mb_bbfr ? stepCrn : 0), stepCrn*2, pCrc+stepCrc, stepCrc*2, &mvCbCrBFB, 0); mp4_AddResidual(cbpb & 2, pCbc, stepCbc, coeffMB+256); mp4_AddResidual(cbpb & 1, pCrc, stepCrc, coeffMB+320); } } else if (mb_type == IPPVC_MBTYPE_INTERPOLATE) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_INTERPOLATE); if (!field_prediction) { if (mp4_DecodeMV(pInfo, &mvForwT, fcode_forward) != MP4_STATUS_OK) goto Err_1; if (mp4_DecodeMV(pInfo, &mvBackT, fcode_backward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitMVQ(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvForw[0], &mvCbCrF); mp4_Copy16x16QP_8u(pYp, stepYp, pYc, stepYc, &mvForw[0], 0); mp4_LimitMVQ(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvBack[0], &mvCbCrB); mp4_Copy16x16QP_8u(pYn, stepYn, tmpMB, 16, &mvBack[0], 0); } else { mp4_LimitMV(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvForw[0], &mvCbCrF); mp4_Copy16x16HP_8u(pYp, stepYp, pYc, stepYc, &mvForw[0], 0); mp4_LimitMV(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvBack[0], &mvCbCrB); mp4_Copy16x16HP_8u(pYn, stepYn, tmpMB, 16, &mvBack[0], 0); } //mvForw[1] = mvForw[2] = mvForw[3] = mvForw[0]; mvForwB = mvForwT; //mvBack[1] = mvBack[2] = mvBack[3] = mvBack[0]; mvBackB = mvBackT; } else { mvForwT.dy = (int16_t)mp4_Div2(mvForwT.dy); if (mp4_DecodeMV(pInfo, &mvForwT, fcode_forward) != MP4_STATUS_OK) goto Err_1; mvForwB.dy = (int16_t)mp4_Div2(mvForwB.dy); if (mp4_DecodeMV(pInfo, &mvForwB, fcode_forward) != MP4_STATUS_OK) goto Err_1; mvBackT.dy = (int16_t)mp4_Div2(mvBackT.dy); if (mp4_DecodeMV(pInfo, &mvBackT, fcode_backward) != MP4_STATUS_OK) goto Err_1; mvBackB.dy = (int16_t)mp4_Div2(mvBackB.dy); if (mp4_DecodeMV(pInfo, &mvBackB, fcode_backward) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitFMVQ(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mvForw[0].dx = (int16_t)mp4_Div2(mvForw[0].dx); mvForw[0].dy = (int16_t)(mp4_Div2(mvForw[0].dy*2) >> 1); mp4_LimitFMVQ(&mvForwB, &mvForw[2], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); mvForw[2].dx = (int16_t)mp4_Div2(mvForw[2].dx); mvForw[2].dy = (int16_t)(mp4_Div2(mvForw[2].dy*2) >> 1); mp4_LimitFMVQ(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYn+(mb_btfr ? stepYn : 0), stepYn*2, tmpMB, 32, &mvBack[0], 0); mvBack[0].dx = (int16_t)mp4_Div2(mvBack[0].dx); mvBack[0].dy = (int16_t)(mp4_Div2(mvBack[0].dy*2) >> 1); mp4_LimitFMVQ(&mvBackB, &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYn+(mb_bbfr ? stepYn : 0), stepYn*2, tmpMB+16, 32, &mvBack[2], 0); mvBack[2].dx = (int16_t)mp4_Div2(mvBack[2].dx); mvBack[2].dy = (int16_t)(mp4_Div2(mvBack[2].dy*2) >> 1); } else { mp4_LimitFMV(&mvForwT, &mvForw[0], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mp4_LimitFMV(&mvForwB, &mvForw[2], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); mp4_LimitFMV(&mvBackT, &mvBack[0], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYn+(mb_btfr ? stepYn : 0), stepYn*2, tmpMB, 32, &mvBack[0], 0); mp4_LimitFMV(&mvBackB, &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYn+(mb_bbfr ? stepYn : 0), stepYn*2, tmpMB+16, 32, &mvBack[2], 0); } mvForwT.dy <<= 1; mvForwB.dy <<= 1; mvBackT.dy <<= 1; mvBackB.dy <<= 1; //mvForw[1] = mvForw[0]; //mvForw[3] = mvForw[2]; //mvBack[1] = mvBack[0]; //mvBack[3] = mvBack[2]; mp4_ComputeChromaMV(&mvForw[0], &mvCbCrFFT); mp4_ComputeChromaMV(&mvForw[2], &mvCbCrFFB); mp4_ComputeChromaMV(&mvBack[0], &mvCbCrBFT); mp4_ComputeChromaMV(&mvBack[2], &mvCbCrBFB); } ippiAverage16x16_8u_C1IR(tmpMB, 16, pYc, stepYc); if (mp4_DecodeInterMB(pInfo, coeffMB, quant, cbpb, scan) != MP4_STATUS_OK) goto Err_1; if (!dct_type) { mp4_AddResidual(cbpb & 32, pYc, stepYc, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc*8, stepYc, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc*8+8, stepYc, coeffMB+192); } else { mp4_AddResidual(cbpb & 32, pYc, stepYc*2, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc*2, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc, stepYc*2, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc+8, stepYc*2, coeffMB+192); } if (!field_prediction) { mp4_Copy8x8HP_8u(pCbp, stepCbp, pCbc, stepCbc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCrp, stepCrp, pCrc, stepCrc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCbn, stepCbn, tmpMB, 8, &mvCbCrB, 0); mp4_Copy8x8HP_8u(pCrn, stepCrn, tmpMB+64, 8, &mvCbCrB, 0); } else { mp4_Copy8x4HP_8u(pCbp+(mb_ftfr ? stepCbp : 0), stepCbp*2, pCbc, stepCbc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCrp+(mb_ftfr ? stepCrp : 0), stepCrp*2, pCrc, stepCrc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCbp+(mb_fbfr ? stepCbp : 0), stepCbp*2, pCbc+stepCbc, stepCbc*2, &mvCbCrFFB, 0); mp4_Copy8x4HP_8u(pCrp+(mb_fbfr ? stepCrp : 0), stepCrp*2, pCrc+stepCrc, stepCrc*2, &mvCbCrFFB, 0); mp4_Copy8x4HP_8u(pCbn+(mb_btfr ? stepCbn : 0), stepCbn*2, tmpMB, 16, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCrn+(mb_btfr ? stepCrn : 0), stepCrn*2, tmpMB+64, 16, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCbn+(mb_bbfr ? stepCbn : 0), stepCbn*2, tmpMB+8, 16, &mvCbCrBFB, 0); mp4_Copy8x4HP_8u(pCrn+(mb_bbfr ? stepCrn : 0), stepCrn*2, tmpMB+64+8, 16, &mvCbCrBFB, 0); } ippiAverage8x8_8u_C1IR(tmpMB, 8, pCbc, stepCbc); ippiAverage8x8_8u_C1IR(tmpMB+64, 8, pCrc, stepCrc); mp4_AddResidual(cbpb & 2, pCbc, stepCbc, coeffMB+256); mp4_AddResidual(cbpb & 1, pCrc, stepCrc, coeffMB+320); } else { // IPPVC_MBTYPE_DIRECT mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_DIRECT); field_prediction = pMBinfo->field_info & 1; if (!field_prediction) { // frame direct mode if (mp4_DecodeMV_Direct(pInfo, pMBinfo->mv, mvForw, mvBack, TRB, TRD, modb, pMBinfo->type) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_ComputeChroma4MVQ(mvForw, &mvCbCrF); mp4_Limit4MVQ(mvForw, mvForw, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MVQ(mvBack, &mvCbCrB); mp4_Limit4MVQ(mvBack, mvBack, &limitRectL, dx, dy, 8); pc = pYc; pr = pYp; pn = pYn; mp4_Copy8x8QP_8u(pr, stepYp, pc, stepYc, &mvForw[0], 0); mp4_Copy8x8QP_8u(pn, stepYn, tmpMB, 16, &mvBack[0], 0); mp4_Copy8x8QP_8u(pr+8, stepYp, pc+8, stepYc, &mvForw[1], 0); mp4_Copy8x8QP_8u(pn+8, stepYn, tmpMB+8, 16, &mvBack[1], 0); pc = pYc + stepYc * 8; pr = pYp + stepYp * 8; pn = pYn + stepYn * 8; mp4_Copy8x8QP_8u(pr, stepYp, pc, stepYc, &mvForw[2], 0); mp4_Copy8x8QP_8u(pn, stepYn, tmpMB+128, 16, &mvBack[2], 0); mp4_Copy8x8QP_8u(pr+8, stepYp, pc+8, stepYc, &mvForw[3], 0); mp4_Copy8x8QP_8u(pn+8, stepYn, tmpMB+136, 16, &mvBack[3], 0); } else { mp4_ComputeChroma4MV(mvForw, &mvCbCrF); mp4_Limit4MV(mvForw, mvForw, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MV(mvBack, &mvCbCrB); mp4_Limit4MV(mvBack, mvBack, &limitRectL, dx, dy, 8); pc = pYc; pr = pYp; pn = pYn; mp4_Copy8x8HP_8u(pr, stepYp, pc, stepYc, &mvForw[0], 0); mp4_Copy8x8HP_8u(pn, stepYn, tmpMB, 16, &mvBack[0], 0); mp4_Copy8x8HP_8u(pr+8, stepYp, pc+8, stepYc, &mvForw[1], 0); mp4_Copy8x8HP_8u(pn+8, stepYn, tmpMB+8, 16, &mvBack[1], 0); pc = pYc + stepYc * 8; pr = pYp + stepYp * 8; pn = pYn + stepYn * 8; mp4_Copy8x8HP_8u(pr, stepYp, pc, stepYc, &mvForw[2], 0); mp4_Copy8x8HP_8u(pn, stepYn, tmpMB+128, 16, &mvBack[2], 0); mp4_Copy8x8HP_8u(pr+8, stepYp, pc+8, stepYc, &mvForw[3], 0); mp4_Copy8x8HP_8u(pn+8, stepYn, tmpMB+136, 16, &mvBack[3], 0); } mp4_LimitMV(&mvCbCrF, &mvCbCrF, &limitRectC, dx >> 1, dy >> 1, 8); mp4_LimitMV(&mvCbCrB, &mvCbCrB, &limitRectC, dx >> 1, dy >> 1, 8); } else { mb_ftfr = (pMBinfo->field_info >> 1) & 1; mb_fbfr = (pMBinfo->field_info >> 2) & 1; if (mp4_DecodeMV_DirectField(pInfo, mb_ftfr, mb_fbfr, &mvField[0], &mvField[1], &mvForw[0], &mvForw[2], &mvBack[0], &mvBack[2], TRB, TRD, modb) != MP4_STATUS_OK) goto Err_1; if (quarter_sample) { mp4_LimitFMVQ(&mvForw[0], &mvForw[0], &limitRectL, dx, dy, 16); mp4_LimitFMVQ(&mvForw[2], &mvForw[2], &limitRectL, dx, dy, 16); mp4_LimitFMVQ(&mvBack[0], &mvBack[0], &limitRectL, dx, dy, 16); mp4_LimitFMVQ(&mvBack[2], &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8QP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mp4_Copy16x8QP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); mp4_Copy16x8QP_8u(pYn/*+stepYn*mb_btfr*/, stepYn*2, tmpMB, 32, &mvBack[0], 0); mp4_Copy16x8QP_8u(pYn+stepYn/**mb_bbfr*/, stepYn*2, tmpMB+16, 32, &mvBack[2], 0); mvForw[0].dx = (int16_t)mp4_Div2(mvForw[0].dx); mvForw[0].dy = (int16_t)(mp4_Div2(mvForw[0].dy*2) >> 1); mvForw[2].dx = (int16_t)mp4_Div2(mvForw[2].dx); mvForw[2].dy = (int16_t)(mp4_Div2(mvForw[2].dy*2) >> 1); mvBack[0].dx = (int16_t)mp4_Div2(mvBack[0].dx); mvBack[0].dy = (int16_t)(mp4_Div2(mvBack[0].dy*2) >> 1); mvBack[2].dx = (int16_t)mp4_Div2(mvBack[2].dx); mvBack[2].dy = (int16_t)(mp4_Div2(mvBack[2].dy*2) >> 1); } else { mp4_LimitFMV(&mvForw[0], &mvForw[0], &limitRectL, dx, dy, 16); mp4_LimitFMV(&mvForw[2], &mvForw[2], &limitRectL, dx, dy, 16); mp4_LimitFMV(&mvBack[0], &mvBack[0], &limitRectL, dx, dy, 16); mp4_LimitFMV(&mvBack[2], &mvBack[2], &limitRectL, dx, dy, 16); mp4_Copy16x8HP_8u(pYp+(mb_ftfr ? stepYp : 0), stepYp*2, pYc, stepYc*2, &mvForw[0], 0); mp4_Copy16x8HP_8u(pYp+(mb_fbfr ? stepYp : 0), stepYp*2, pYc+stepYc, stepYc*2, &mvForw[2], 0); mp4_Copy16x8HP_8u(pYn/*+stepYn*mb_btfr*/, stepYn*2, tmpMB, 32, &mvBack[0], 0); mp4_Copy16x8HP_8u(pYn+stepYn/**mb_bbfr*/, stepYn*2, tmpMB+16, 32, &mvBack[2], 0); } mp4_ComputeChromaMV(&mvForw[0], &mvCbCrFFT); mp4_ComputeChromaMV(&mvForw[2], &mvCbCrFFB); mp4_ComputeChromaMV(&mvBack[0], &mvCbCrBFT); mp4_ComputeChromaMV(&mvBack[2], &mvCbCrBFB); } ippiAverage16x16_8u_C1IR(tmpMB, 16, pYc, stepYc); if (mp4_DecodeInterMB(pInfo, coeffMB, quant, cbpb, scan) != MP4_STATUS_OK) goto Err_1; if (!dct_type) { mp4_AddResidual(cbpb & 32, pYc, stepYc, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc*8, stepYc, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc*8+8, stepYc, coeffMB+192); } else { mp4_AddResidual(cbpb & 32, pYc, stepYc*2, coeffMB); mp4_AddResidual(cbpb & 16, pYc+8, stepYc*2, coeffMB+64); mp4_AddResidual(cbpb & 8, pYc+stepYc, stepYc*2, coeffMB+128); mp4_AddResidual(cbpb & 4, pYc+stepYc+8, stepYc*2, coeffMB+192); } if (!field_prediction) { mp4_Copy8x8HP_8u(pCbp, stepCbp, pCbc, stepCbc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCrp, stepCrp, pCrc, stepCrc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCbn, stepCbn, tmpMB, 8, &mvCbCrB, 0); mp4_Copy8x8HP_8u(pCrn, stepCrn, tmpMB+64, 8, &mvCbCrB, 0); } else { mp4_Copy8x4HP_8u(pCbp+(mb_ftfr ? stepCbp : 0), stepCbp*2, pCbc, stepCbc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCrp+(mb_ftfr ? stepCrp : 0), stepCrp*2, pCrc, stepCrc*2, &mvCbCrFFT, 0); mp4_Copy8x4HP_8u(pCbp+(mb_fbfr ? stepCbp : 0), stepCbp*2, pCbc+stepCbc, stepCbc*2, &mvCbCrFFB, 0); mp4_Copy8x4HP_8u(pCrp+(mb_fbfr ? stepCrp : 0), stepCrp*2, pCrc+stepCrc, stepCrc*2, &mvCbCrFFB, 0); mp4_Copy8x4HP_8u(pCbn/*+(mb_btfr ? stepCbn : 0)*/, stepCbn*2, tmpMB, 16, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCrn/*+(mb_btfr ? stepCrn : 0)*/, stepCrn*2, tmpMB+64, 16, &mvCbCrBFT, 0); mp4_Copy8x4HP_8u(pCbn+/*(mb_bbfr ? */stepCbn/* : 0)*/, stepCbn*2, tmpMB+8, 16, &mvCbCrBFB, 0); mp4_Copy8x4HP_8u(pCrn+/*(mb_bbfr ? */stepCrn/* : 0)*/, stepCrn*2, tmpMB+64+8, 16, &mvCbCrBFB, 0); } ippiAverage8x8_8u_C1IR(tmpMB, 8, pCbc, stepCbc); ippiAverage8x8_8u_C1IR(tmpMB+64, 8, pCrc, stepCrc); mp4_AddResidual(cbpb & 2, pCbc, stepCbc, coeffMB+256); mp4_AddResidual(cbpb & 1, pCrc, stepCrc, coeffMB+320); } } //mbCurr ++; mbInVideoPacket ++; colNum ++; pMBinfo ++; mvField += 2; if (colNum == mbPerRow) { colNum = 0; rowNum ++; if (rowNum == mbPerCol) return sts; pYc += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYc << 4) - stepYc; pCbc += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbc << 3) - stepCbc; pCrc += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrc << 3) - stepCrc; pYp += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYp << 4) - stepYp; pCbp += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbp << 3) - stepCbp; pCrp += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrp << 3) - stepCrp; pYn += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYn << 4) - stepYn; pCbn += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbn << 3) - stepCbn; pCrn += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrn << 3) - stepCrn; // reset MV predictors at new row mvForwT.dx = mvForwT.dy = mvBackT.dx = mvBackT.dy = mvForwB.dx = mvForwB.dy = mvBackB.dx = mvBackB.dy = 0; } else { pYc += 16; pCrc += 8; pCbc += 8; pYp += 16; pCrp += 8; pCbp += 8; pYn += 16; pCrn += 8; pCbn += 8; } if (!pInfo->VisualObject.VideoObject.resync_marker_disable) { int32_t found; ErrRet_1: if (mp4_CheckDecodeVideoPacket(pInfo, &found) == MP4_STATUS_OK) { if (found) { quant = pInfo->VisualObject.VideoObject.VideoObjectPlane.quant_scale; mbCurr = pInfo->VisualObject.VideoObject.VideoObjectPlane.macroblock_num; mp4_CopyMacroBlocks(pInfo->VisualObject.rFrame, pInfo->VisualObject.cFrame, mbPerRow, rowNum, colNum, mbCurr - rowNum * mbPerRow - colNum); rowNum = mbCurr / mbPerRow; colNum = mbCurr % mbPerRow; pYc = pInfo->VisualObject.cFrame->pY + (rowNum * stepYc + colNum) * 16; pCbc = pInfo->VisualObject.cFrame->pCb + (rowNum * stepCbc + colNum) * 8; pCrc = pInfo->VisualObject.cFrame->pCr + (rowNum * stepCrc + colNum) * 8; pYp = pInfo->VisualObject.rFrame->pY + (rowNum * stepYp + colNum) * 16; pCbp = pInfo->VisualObject.rFrame->pCb + (rowNum * stepCbp + colNum) * 8; pCrp = pInfo->VisualObject.rFrame->pCr + (rowNum * stepCrp + colNum) * 8; pYn = pInfo->VisualObject.nFrame->pY + (rowNum * stepYn + colNum) * 16; pCbn = pInfo->VisualObject.nFrame->pCb + (rowNum * stepCbn + colNum) * 8; pCrn = pInfo->VisualObject.nFrame->pCr + (rowNum * stepCrn + colNum) * 8; pMBinfo = pInfo->VisualObject.VideoObject.MBinfo + mbCurr; break; } } else goto Err_1; } } } Err_1: sts = MP4_STATUS_ERROR; if (pInfo->stopOnErr) return sts; if (pInfo->VisualObject.VideoObject.resync_marker_disable || !mp4_SeekResyncMarker(pInfo)) { mp4_CopyMacroBlocks(pInfo->VisualObject.rFrame, pInfo->VisualObject.cFrame, mbPerRow, rowNum, colNum, pInfo->VisualObject.VideoObject.MacroBlockPerVOP - rowNum * mbPerRow - colNum); return sts; } goto ErrRet_1; } // decode usual B-VOP for (;;) { IppMotionVector mvCbCrF, mvCbCrB, mvForw, mvBack, mvForwLim, mvBackLim; mbInVideoPacket = 0; // reset MV predictors at new VideoPacket mvForw.dx = mvForw.dy = mvBack.dx = mvBack.dy = 0; // decode B-VOP macroblocks for (;;) { if (pMBinfo->not_coded) { ippiCopy16x16_8u_C1R(pYp, stepYp, pYc, stepYc); ippiCopy8x8_8u_C1R(pCbp, stepCbp, pCbc, stepCbc); ippiCopy8x8_8u_C1R(pCrp, stepCrp, pCrc, stepCrc); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_NOTCODED); } else { cbpb = 0; if (mp4_GetBit(pInfo)) { modb = 2; mb_type = IPPVC_MBTYPE_DIRECT; } else { modb = mp4_GetBit(pInfo); // decode mb_type code = mp4_ShowBits9(pInfo, 4); if (code != 0) { mb_type = mp4_BVOPmb_type[code].code; mp4_FlushBits(pInfo, mp4_BVOPmb_type[code].len); } else { mp4_Error("Error when decode mb_type of B-VOP macroblock"); goto Err_2; } if (modb == 0) cbpb = mp4_GetBits9(pInfo, 6); if (mb_type != IPPVC_MBTYPE_DIRECT && cbpb != 0) mp4_UpdateQuant_B(pInfo, quant); } // coordinates of current MB for limitation dx = colNum * 16; dy = rowNum * 16; if (mb_type == IPPVC_MBTYPE_FORWARD) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_FORWARD); if (mp4_DecodeMV(pInfo, &mvForw, fcode_forward) != MP4_STATUS_OK) goto Err_2; if (quarter_sample) { mp4_LimitMVQ(&mvForw, &mvForwLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvForwLim, &mvCbCrF); mp4_Copy16x16QP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim, 0); mp4_DecodeReconBlockInter_MPEG4(cbpb & 32, pYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 16, pYc+8, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 8, pYc+8*stepYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 4, pYc+8*stepYc+8, stepYc, Err_2); } else { mp4_LimitMV(&mvForw, &mvForwLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvForwLim, &mvCbCrF); if (cbpb & 60) { mp4_DecodeMCBlockInter_MPEG4(cbpb & 32, pYp, stepYp, pYc, stepYc, mvForwLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 16, pYp+8, stepYp, pYc+8, stepYc, mvForwLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 8, pYp+8*stepYp, stepYp, pYc+8*stepYc, stepYc, mvForwLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 4, pYp+8*stepYp+8, stepYp, pYc+8*stepYc+8, stepYc, mvForwLim, 0, Err_2); } else { mp4_Copy16x16HP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim, 0); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); } } mp4_DecodeMCBlockInter_MPEG4(cbpb & 2, pCbp, stepCbp, pCbc, stepCbc, mvCbCrF, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 1, pCrp, stepCrp, pCrc, stepCrc, mvCbCrF, 0, Err_2); } else if (mb_type == IPPVC_MBTYPE_BACKWARD) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_BACKWARD); if (mp4_DecodeMV(pInfo, &mvBack, fcode_backward) != MP4_STATUS_OK) goto Err_2; if (quarter_sample) { mp4_LimitMVQ(&mvBack, &mvBackLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvBackLim, &mvCbCrB); mp4_Copy16x16QP_8u(pYn, stepYn, pYc, stepYc, &mvBackLim, 0); mp4_DecodeReconBlockInter_MPEG4(cbpb & 32, pYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 16, pYc+8, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 8, pYc+8*stepYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 4, pYc+8*stepYc+8, stepYc, Err_2); } else { mp4_LimitMV(&mvBack, &mvBackLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvBackLim, &mvCbCrB); if (cbpb & 60) { mp4_DecodeMCBlockInter_MPEG4(cbpb & 32, pYn, stepYn, pYc, stepYc, mvBackLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 16, pYn+8, stepYn, pYc+8, stepYc, mvBackLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 8, pYn+8*stepYn, stepYp, pYc+8*stepYc, stepYc, mvBackLim, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 4, pYn+8*stepYn+8, stepYp, pYc+8*stepYc+8, stepYc, mvBackLim, 0, Err_2); } else { mp4_Copy16x16HP_8u(pYn, stepYn, pYc, stepYc, &mvBackLim, 0); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nB_INTER_NC); } } mp4_DecodeMCBlockInter_MPEG4(cbpb & 2, pCbn, stepCbn, pCbc, stepCbc, mvCbCrB, 0, Err_2); mp4_DecodeMCBlockInter_MPEG4(cbpb & 1, pCrn, stepCrn, pCrc, stepCrc, mvCbCrB, 0, Err_2); } else if (mb_type == IPPVC_MBTYPE_INTERPOLATE) { mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_INTERPOLATE); if (mp4_DecodeMV(pInfo, &mvForw, fcode_forward) != MP4_STATUS_OK) goto Err_2; if (mp4_DecodeMV(pInfo, &mvBack, fcode_backward) != MP4_STATUS_OK) goto Err_2; if (quarter_sample) { mp4_LimitMVQ(&mvForw, &mvForwLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvForwLim, &mvCbCrF); mp4_Copy16x16QP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim, 0); mp4_LimitMVQ(&mvBack, &mvBackLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMVQ(&mvBackLim, &mvCbCrB); mp4_Copy16x16QP_8u(pYn, stepYn, tmpMB, 16, &mvBackLim, 0); } else { mp4_LimitMV(&mvForw, &mvForwLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvForwLim, &mvCbCrF); mp4_Copy16x16HP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim, 0); mp4_LimitMV(&mvBack, &mvBackLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(&mvBackLim, &mvCbCrB); mp4_Copy16x16HP_8u(pYn, stepYn, tmpMB, 16, &mvBackLim, 0); } ippiAverage16x16_8u_C1IR(tmpMB, 16, pYc, stepYc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 32, pYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 16, pYc+8, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 8, pYc+8*stepYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 4, pYc+8*stepYc+8, stepYc, Err_2); mp4_Copy8x8HP_8u(pCbp, stepCbp, pCbc, stepCbc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCbn, stepCbn, tmpMB, 8, &mvCbCrB, 0); ippiAverage8x8_8u_C1IR(tmpMB, 8, pCbc, stepCbc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 2, pCbc, stepCbc, Err_2); mp4_Copy8x8HP_8u(pCrp, stepCrp, pCrc, stepCrc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCrn, stepCrn, tmpMB, 8, &mvCbCrB, 0); ippiAverage8x8_8u_C1IR(tmpMB, 8, pCrc, stepCrc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 1, pCrc, stepCrc, Err_2); } else { // IPPVC_MBTYPE_DIRECT IppMotionVector mvForw[4], mvBack[4], mvForwLim[4], mvBackLim[4]; mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_DIRECT); //f MVs of collocated block of recently decoded I or P frame used in Direct mode if (mp4_DecodeMV_Direct(pInfo, pMBinfo->mv, mvForw, mvBack, TRB, TRD, modb, pMBinfo->type) != MP4_STATUS_OK) goto Err_2; if (quarter_sample) { mp4_Limit4MVQ(mvForw, mvForwLim, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MVQ(mvForw, &mvCbCrF); mp4_Limit4MVQ(mvBack, mvBackLim, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MVQ(mvBack, &mvCbCrB); mp4_Copy8x8QP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim[0], 0); mp4_Copy8x8QP_8u(pYn, stepYn, tmpMB, 16, &mvBackLim[0], 0); mp4_Copy8x8QP_8u(pYp+8, stepYp, pYc+8, stepYc, &mvForwLim[1], 0); mp4_Copy8x8QP_8u(pYn+8, stepYn, tmpMB+8, 16, &mvBackLim[1], 0); mp4_Copy8x8QP_8u(pYp+8*stepYp, stepYp, pYc+8*stepYc, stepYc, &mvForwLim[2], 0); mp4_Copy8x8QP_8u(pYn+8*stepYn, stepYn, tmpMB+8*16, 16, &mvBackLim[2], 0); mp4_Copy8x8QP_8u(pYp+8*stepYp+8, stepYp, pYc+8*stepYc+8, stepYc, &mvForwLim[3], 0); mp4_Copy8x8QP_8u(pYn+8*stepYn+8, stepYn, tmpMB+8*16+8, 16, &mvBackLim[3], 0); } else { if (pMBinfo->type == IPPVC_MBTYPE_INTER4V) { mp4_Limit4MV(mvForw, mvForwLim, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MV(mvForw, &mvCbCrF); mp4_Limit4MV(mvBack, mvBackLim, &limitRectL, dx, dy, 8); mp4_ComputeChroma4MV(mvBack, &mvCbCrB); mp4_Copy8x8HP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim[0], 0); mp4_Copy8x8HP_8u(pYn, stepYn, tmpMB, 16, &mvBackLim[0], 0); mp4_Copy8x8HP_8u(pYp+8, stepYp, pYc+8, stepYc, &mvForwLim[1], 0); mp4_Copy8x8HP_8u(pYn+8, stepYn, tmpMB+8, 16, &mvBackLim[1], 0); mp4_Copy8x8HP_8u(pYp+8*stepYp, stepYp, pYc+8*stepYc, stepYc, &mvForwLim[2], 0); mp4_Copy8x8HP_8u(pYn+8*stepYn, stepYn, tmpMB+8*16, 16, &mvBackLim[2], 0); mp4_Copy8x8HP_8u(pYp+8*stepYp+8, stepYp, pYc+8*stepYc+8, stepYc, &mvForwLim[3], 0); mp4_Copy8x8HP_8u(pYn+8*stepYn+8, stepYn, tmpMB+8*16+8, 16, &mvBackLim[3], 0); } else { mp4_LimitMV(mvForw, mvForwLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(mvForwLim, &mvCbCrF); mp4_LimitMV(mvBack, mvBackLim, &limitRectL, dx, dy, 16); mp4_ComputeChromaMV(mvBackLim, &mvCbCrB); mp4_Copy16x16HP_8u(pYp, stepYp, pYc, stepYc, &mvForwLim[0], 0); mp4_Copy16x16HP_8u(pYn, stepYn, tmpMB, 16, &mvBackLim[0], 0); } } ippiAverage16x16_8u_C1IR(tmpMB, 16, pYc, stepYc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 32, pYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 16, pYc+8, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 8, pYc+8*stepYc, stepYc, Err_2); mp4_DecodeReconBlockInter_MPEG4(cbpb & 4, pYc+8*stepYc+8, stepYc, Err_2); mp4_LimitMV(&mvCbCrF, &mvCbCrF, &limitRectC, dx >> 1, dy >> 1, 8); mp4_LimitMV(&mvCbCrB, &mvCbCrB, &limitRectC, dx >> 1, dy >> 1, 8); mp4_Copy8x8HP_8u(pCbp, stepCbp, pCbc, stepCbc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCbn, stepCbn, tmpMB, 8, &mvCbCrB, 0); ippiAverage8x8_8u_C1IR(tmpMB, 8, pCbc, stepCbc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 2, pCbc, stepCbc, Err_2); mp4_Copy8x8HP_8u(pCrp, stepCrp, pCrc, stepCrc, &mvCbCrF, 0); mp4_Copy8x8HP_8u(pCrn, stepCrn, tmpMB, 8, &mvCbCrB, 0); ippiAverage8x8_8u_C1IR(tmpMB, 8, pCrc, stepCrc); mp4_DecodeReconBlockInter_MPEG4(cbpb & 1, pCrc, stepCrc, Err_2); } } //mbCurr ++; mbInVideoPacket ++; colNum ++; pMBinfo ++; if (colNum == mbPerRow) { colNum = 0; rowNum ++; if (rowNum == mbPerCol) return sts; pYc += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYc << 4) - stepYc; pCbc += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbc << 3) - stepCbc; pCrc += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrc << 3) - stepCrc; pYp += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYp << 4) - stepYp; pCbp += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbp << 3) - stepCbp; pCrp += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrp << 3) - stepCrp; pYn += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYn << 4) - stepYn; pCbn += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbn << 3) - stepCbn; pCrn += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrn << 3) - stepCrn; // reset MV predictors at new row mvForw.dx = mvForw.dy = mvBack.dx = mvBack.dy = 0; } else { pYc += 16; pCrc += 8; pCbc += 8; pYp += 16; pCrp += 8; pCbp += 8; pYn += 16; pCrn += 8; pCbn += 8; } if (!pInfo->VisualObject.VideoObject.resync_marker_disable) { int32_t found; ErrRet_2: if (mp4_CheckDecodeVideoPacket(pInfo, &found) == MP4_STATUS_OK) { if (found) { quant = pInfo->VisualObject.VideoObject.VideoObjectPlane.quant_scale; mbCurr = pInfo->VisualObject.VideoObject.VideoObjectPlane.macroblock_num; mp4_CopyMacroBlocks(pInfo->VisualObject.rFrame, pInfo->VisualObject.cFrame, mbPerRow, rowNum, colNum, mbCurr - rowNum * mbPerRow - colNum); rowNum = mbCurr / mbPerRow; colNum = mbCurr % mbPerRow; pYc = pInfo->VisualObject.cFrame->pY + (rowNum * stepYc + colNum) * 16; pCbc = pInfo->VisualObject.cFrame->pCb + (rowNum * stepCbc + colNum) * 8; pCrc = pInfo->VisualObject.cFrame->pCr + (rowNum * stepCrc + colNum) * 8; pYp = pInfo->VisualObject.rFrame->pY + (rowNum * stepYp + colNum) * 16; pCbp = pInfo->VisualObject.rFrame->pCb + (rowNum * stepCbp + colNum) * 8; pCrp = pInfo->VisualObject.rFrame->pCr + (rowNum * stepCrp + colNum) * 8; pYn = pInfo->VisualObject.nFrame->pY + (rowNum * stepYn + colNum) * 16; pCbn = pInfo->VisualObject.nFrame->pCb + (rowNum * stepCbn + colNum) * 8; pCrn = pInfo->VisualObject.nFrame->pCr + (rowNum * stepCrn + colNum) * 8; pMBinfo = pInfo->VisualObject.VideoObject.MBinfo + mbCurr; break; } } else goto Err_2; } } } Err_2: sts = MP4_STATUS_ERROR; if (pInfo->stopOnErr) return sts; if (pInfo->VisualObject.VideoObject.resync_marker_disable || !mp4_SeekResyncMarker(pInfo)) { mp4_CopyMacroBlocks(pInfo->VisualObject.rFrame, pInfo->VisualObject.cFrame, mbPerRow, rowNum, colNum, pInfo->VisualObject.VideoObject.MacroBlockPerVOP - rowNum * mbPerRow - colNum); return sts; } goto ErrRet_2; }