diff options
Diffstat (limited to 'Src/mpeg4dec/mp4decvops.c')
| -rw-r--r-- | Src/mpeg4dec/mp4decvops.c | 655 |
1 files changed, 655 insertions, 0 deletions
diff --git a/Src/mpeg4dec/mp4decvops.c b/Src/mpeg4dec/mp4decvops.c new file mode 100644 index 00000000..4a331964 --- /dev/null +++ b/Src/mpeg4dec/mp4decvops.c @@ -0,0 +1,655 @@ +/* /////////////////////////////////////////////////////////////////////// +// +// 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 S-VOPs +// +*/ + +#include "mp4def.h" +#include "mp4dec.h" + +/* +// decode MPEG-4 SVOP +*/ +mp4_Status mp4_DecodeVOP_S(mp4_Info* pInfo) +{ + __ALIGN16(int16_t, coeffMB, 64*6); + int32_t quant, quantPred, i, j, dcVLC, nmb, dx, dy, pat; + int32_t stepYr, stepYc, stepCbr, stepCbc, stepCrr, stepCrc, mbPerRow, mbPerCol; + int32_t mbCurr, mbInVideoPacket, colNum, rowNum, stepF[6]; + uint8_t *pYc, *pCbc, *pCrc, *pYr, *pCbr, *pCrr, *pF[6]; + int32_t mb_not_coded, mb_type, cbpc, cbpy, ac_pred_flag, cbpyPrev, mcsel; + int32_t scan, obmc_disable, rt, quarter_sample, interlaced, fcode_forward; + IppiRect limitRectL, limitRectC; + IppMotionVector mvCur[4], mvPrev[4], mvTmp[4], mvCbCr; + mp4_MacroBlock *pMBinfo; + IppiRect spriteRect, vopRect; + mp4_Status sts; + + if (!pInfo->VisualObject.cFrame) + pInfo->VisualObject.cFrame = CreateFrame(&pInfo->VisualObject); + + mbPerRow = pInfo->VisualObject.VideoObject.MacroBlockPerRow; + mbPerCol = pInfo->VisualObject.VideoObject.MacroBlockPerCol; + stepYc = pInfo->VisualObject.cFrame->stepY; + stepYr = pInfo->VisualObject.rFrame->stepY; + stepCbc = pInfo->VisualObject.cFrame->stepCb; + stepCbr = pInfo->VisualObject.rFrame->stepCb; + stepCrc = pInfo->VisualObject.cFrame->stepCr; + stepCrr = pInfo->VisualObject.rFrame->stepCr; + pYc = pInfo->VisualObject.cFrame->pY; + pCbc = pInfo->VisualObject.cFrame->pCb; + pCrc = pInfo->VisualObject.cFrame->pCr; + pYr = pInfo->VisualObject.rFrame->pY; + pCbr = pInfo->VisualObject.rFrame->pCb; + pCrr = pInfo->VisualObject.rFrame->pCr; + stepF[0] = stepF[1] = stepF[2] = stepF[3] = stepYc; stepF[4] = stepCbc; stepF[5] = stepCrc; + // Bounding rectangle 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; + pMBinfo = pInfo->VisualObject.VideoObject.MBinfo; + rt = pInfo->VisualObject.VideoObject.VideoObjectPlane.rounding_type; + quarter_sample = pInfo->VisualObject.VideoObject.quarter_sample; + obmc_disable = pInfo->VisualObject.VideoObject.obmc_disable; + interlaced = pInfo->VisualObject.VideoObject.interlaced; + scan = pInfo->VisualObject.VideoObject.VideoObjectPlane.alternate_vertical_scan_flag ? IPPVC_SCAN_VERTICAL : IPPVC_SCAN_ZIGZAG; + nmb = pInfo->VisualObject.VideoObject.MacroBlockPerVOP; + quant = quantPred = pInfo->VisualObject.VideoObject.VideoObjectPlane.quant; + mbCurr = colNum = rowNum = 0; + cbpc = 0; + // init WarpSpec for Sprites or GMC + vopRect.x = 0; + vopRect.y = 0; + vopRect.width = pInfo->VisualObject.VideoObject.width; + vopRect.height = pInfo->VisualObject.VideoObject.height; + if (pInfo->VisualObject.VideoObject.sprite_enable == MP4_SPRITE_STATIC) { + spriteRect.x = pInfo->VisualObject.VideoObject.sprite_left_coordinate; + spriteRect.y = pInfo->VisualObject.VideoObject.sprite_top_coordinate; + spriteRect.width = pInfo->VisualObject.VideoObject.sprite_width; + spriteRect.height = pInfo->VisualObject.VideoObject.sprite_height; + fcode_forward = 1; + } else { + spriteRect = vopRect; // for shapes they may be different !!!!!! + fcode_forward = pInfo->VisualObject.VideoObject.VideoObjectPlane.fcode_forward; + } + ippiWarpInit_MPEG4(pInfo->VisualObject.VideoObject.WarpSpec, + pInfo->VisualObject.VideoObject.VideoObjectPlane.warping_mv_code_du, + pInfo->VisualObject.VideoObject.VideoObjectPlane.warping_mv_code_dv, + pInfo->VisualObject.VideoObject.sprite_warping_points, + pInfo->VisualObject.VideoObject.sprite_enable, + pInfo->VisualObject.VideoObject.sprite_warping_accuracy, + rt, quarter_sample, fcode_forward, + &spriteRect, &vopRect); +// decode basic sprites + if (pInfo->VisualObject.VideoObject.sprite_enable == MP4_SPRITE_STATIC) + { + //if (pInfo->VisualObject.VideoObject.shape != MP4_SHAPE_TYPE_RECTANGULAR) { + // if (mp4_InitVOPShape(pInfo) != MP4_STATUS_OK) + // return MP4_STATUS_ERROR; + //} + ippiWarpLuma_MPEG4_8u_C1R(pInfo->VisualObject.sFrame->pY, pInfo->VisualObject.sFrame->stepY, + pYc, stepYc, &vopRect, pInfo->VisualObject.VideoObject.WarpSpec); + if (pInfo->VisualObject.VideoObject.sprite_brightness_change) + ippiChangeSpriteBrightness_MPEG4_8u_C1IR(pYc, stepYc, vopRect.width, vopRect.height, pInfo->VisualObject.VideoObject.VideoObjectPlane.brightness_change_factor); + vopRect.width >>= 1; vopRect.height >>= 1; + ippiWarpChroma_MPEG4_8u_P2R(pInfo->VisualObject.sFrame->pCb, pInfo->VisualObject.sFrame->stepCb, + pInfo->VisualObject.sFrame->pCr, pInfo->VisualObject.sFrame->stepCr, + pCbc, stepCbc, pCrc, stepCrc, &vopRect, pInfo->VisualObject.VideoObject.WarpSpec); + return MP4_STATUS_OK; + } + sts = MP4_STATUS_OK; +// decode data_partitioned S(GMC)-VOP + if (pInfo->VisualObject.VideoObject.data_partitioned) { + for (;;) { + mp4_DataPartMacroBlock *pMBdp; + int32_t x, y; + + x = colNum; + y = rowNum; + // reset Intra prediction buffer on new Video_packet + mp4_ResetIntraPredBuffer(pInfo); + pMBdp = &pInfo->VisualObject.VideoObject.DataPartBuff[mbCurr]; + pMBinfo = &pInfo->VisualObject.VideoObject.MBinfo[mbCurr]; + mbInVideoPacket = 0; + // decode not_coded/mcsel/mb_type/cbpc/MV part + for (;;) { + mb_not_coded = mp4_GetBit(pInfo); + if (mb_not_coded) { + mb_type = IPPVC_MBTYPE_INTER; + mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_NOTCODED); + } else { + if (mp4_DecodeMCBPC_P(pInfo, &mb_type, &cbpc, 1) != MP4_STATUS_OK) + goto Err_2; + } + if (mb_type != IPPVC_MB_STUFFING) { + if (mbInVideoPacket == nmb - mbCurr) { + mp4_Error("DC Marker missed"); + goto Err_2; + } + pMBinfo->validPred = 1; + if (mb_type < IPPVC_MBTYPE_INTER4V && !mb_not_coded) + mcsel = mp4_GetBit(pInfo); + else + mcsel = mb_not_coded; + if (!mcsel) { + if (mb_type <= IPPVC_MBTYPE_INTER4V) { + if (mb_type != IPPVC_MBTYPE_INTER4V) { + if (mp4_PredictDecode1MV(pInfo, pMBinfo, y, x) != MP4_STATUS_OK) + goto Err_2; + pMBinfo->mv[1] = pMBinfo->mv[2] = pMBinfo->mv[3] = pMBinfo->mv[0]; + } else { + if (mp4_PredictDecode4MV(pInfo, pMBinfo, y, x) != MP4_STATUS_OK) + goto Err_2; + } + } else { + mp4_Zero4MV(pMBinfo->mv); + } + } else { + ippiCalcGlobalMV_MPEG4(x << 4, y << 4, pMBinfo->mv, pInfo->VisualObject.VideoObject.WarpSpec); + pMBinfo->mv[1] = pMBinfo->mv[2] = pMBinfo->mv[3] = pMBinfo->mv[0]; + } + pMBinfo->not_coded = (uint8_t)mb_not_coded; + pMBinfo->type = (uint8_t)mb_type; + pMBinfo ++; + pMBdp->pat = (uint8_t)cbpc; + pMBdp->mcsel = (uint8_t)mcsel; + pMBdp ++; + mbInVideoPacket ++; + x ++; + if (x == mbPerRow) { + x = 0; + y ++; + } + } + if (mp4_ShowBits(pInfo, 17) == MP4_MV_MARKER) { + mp4_GetBits(pInfo, 17); + break; + } + } + pMBdp = &pInfo->VisualObject.VideoObject.DataPartBuff[mbCurr]; + pMBinfo = &pInfo->VisualObject.VideoObject.MBinfo[mbCurr]; + // decode ac_pred_flag/cbpy/dquant/IntraDC part + for (i = 0; i < mbInVideoPacket; i ++) { + if (!pMBinfo->not_coded) { + mb_type = pMBinfo->type; + if (mb_type >= IPPVC_MBTYPE_INTRA) + pMBdp->ac_pred_flag = (uint8_t)mp4_GetBit(pInfo); + if (mp4_DecodeCBPY_P(pInfo, &cbpy, mb_type) != MP4_STATUS_OK) + goto Err_2; + pMBdp->pat = (uint8_t)((cbpy << 2) + pMBdp->pat); + quantPred = quant; + if (mb_type == IPPVC_MBTYPE_INTER_Q || mb_type == IPPVC_MBTYPE_INTRA_Q) + mp4_UpdateQuant(pInfo, quant); + pMBdp->quant = (uint8_t)quant; + if (i == 0) + quantPred = quant; + // decode DC coefficient of Intra blocks + dcVLC = (quantPred < mp4_DC_vlc_Threshold[pInfo->VisualObject.VideoObject.VideoObjectPlane.intra_dc_vlc_thr]) ? 1 : 0; + if ((mb_type >= IPPVC_MBTYPE_INTRA) && dcVLC) { + for (j = 0; j < 6; j ++) { + if (ippiDecodeDCIntra_MPEG4_1u16s(&pInfo->bufptr, &pInfo->bitoff, &pMBdp->dct_dc[j], j < 4 ? IPPVC_BLOCK_LUMA : IPPVC_BLOCK_CHROMA) != ippStsNoErr) + goto Err_2; + } + } + } else + pMBdp->pat = 0; + pMBinfo->not_coded = 0; // for B-VOP all MB have MVs + if (pMBdp->mcsel) + pMBinfo->type = IPPVC_MBTYPE_INTRA; // for OBMC MVs + pMBdp ++; + pMBinfo ++; + } + if (mbCurr + mbInVideoPacket < nmb) + pMBinfo->type = IPPVC_MBTYPE_INTRA; // for OBMC set first MB of the next videopacket as invalid for right MV + pMBdp = &pInfo->VisualObject.VideoObject.DataPartBuff[mbCurr]; + pMBinfo = &pInfo->VisualObject.VideoObject.MBinfo[mbCurr]; + // decode coeffs and reconstruct macroblocks + for (i = 0; i < mbInVideoPacket; i ++) { + if (colNum == 0) { + // reset B-prediction blocks on new row + mp4_ResetIntraPredBblock(pInfo); + } + quant = pMBdp->quant; + mb_type = pMBinfo->type; + mcsel = pMBdp->mcsel; + if (!mcsel && (mb_type >= IPPVC_MBTYPE_INTRA)) { + quantPred = (i == 0) ? quant : pMBdp[-1].quant; + dcVLC = (quantPred < mp4_DC_vlc_Threshold[pInfo->VisualObject.VideoObject.VideoObjectPlane.intra_dc_vlc_thr]) ? 1 : 0; + pF[0] = pYc; pF[1] = pYc + 8; pF[2] = pYc + 8 * stepYc; pF[3] = pYc + 8 * stepYc + 8; pF[4] = pCbc; pF[5] = pCrc; + if (mp4_DecodeIntraMB_DP(pInfo, pMBdp->dct_dc, colNum, pMBdp->pat, quant, dcVLC, pMBdp->ac_pred_flag, pF, stepF) != MP4_STATUS_OK) + goto Err_2; + } else { + mp4_UpdateIntraPredBuffInvalid(pInfo, colNum); + dx = colNum * 16; + dy = rowNum * 16; + pat = pMBdp->pat; + cbpy = pat >> 2; + cbpc = pat & 3; + if (pat) + if (mp4_DecodeInterMB(pInfo, coeffMB, quant, pat, scan) != MP4_STATUS_OK) + goto Err_2; + if (!mcsel) { + if (mb_type == IPPVC_MBTYPE_INTER4V) { + if (quarter_sample) { + mp4_Limit4MVQ(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 8); + mp4_ComputeChroma4MVQ(pMBinfo->mv, &mvCbCr); + } else { + mp4_Limit4MV(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 8); + mp4_ComputeChroma4MV(pMBinfo->mv, &mvCbCr); + } + mp4_LimitMV(&mvCbCr, &mvCbCr, &limitRectC, dx >> 1, dy >> 1, 8); + } else { + if (quarter_sample) { + mp4_LimitMVQ(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 16); + mp4_ComputeChromaMVQ(mvCur, &mvCbCr); + } else { + mp4_LimitMV(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 16); + mp4_ComputeChromaMV(mvCur, &mvCbCr); + } + mvCur[1] = mvCur[2] = mvCur[3] = mvCur[0]; + } + if (obmc_disable) { + if (quarter_sample) { + if (mb_type == IPPVC_MBTYPE_INTER4V) { + mp4_Copy8x8QP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + mp4_Copy8x8QP_8u(pYr+8, stepYr, pYc+8, stepYc, &mvCur[1], rt); + mp4_Copy8x8QP_8u(pYr+8*stepYr, stepYr, pYc+8*stepYc, stepYc, &mvCur[2], rt); + mp4_Copy8x8QP_8u(pYr+8*stepYr+8, stepYr, pYc+8*stepYc+8, stepYc, &mvCur[3], rt); + } else + mp4_Copy16x16QP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + } else { + if (mb_type == IPPVC_MBTYPE_INTER4V) { + mp4_Copy8x8HP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + mp4_Copy8x8HP_8u(pYr+8, stepYr, pYc+8, stepYc, &mvCur[1], rt); + mp4_Copy8x8HP_8u(pYr+8*stepYr, stepYr, pYc+8*stepYc, stepYc, &mvCur[2], rt); + mp4_Copy8x8HP_8u(pYr+8*stepYr+8, stepYr, pYc+8*stepYc+8, stepYc, &mvCur[3], rt); + } else + mp4_Copy16x16HP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + } + mp4_AddResidual(cbpy & 8, pYc, stepYc, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc*8, stepYc, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc*8+8, stepYc, coeffMB+192); + } else { + mp4_OBMC(pInfo, pMBinfo, mvCur, colNum, rowNum, limitRectL, pYc, stepYc, pYr, stepYr, cbpy, coeffMB, 0); + } + mp4_MC_HP(cbpc & 2, pCbr, stepCbr, pCbc, stepCbc, coeffMB+256, &mvCbCr, rt); + mp4_MC_HP(cbpc & 1, pCrr, stepCrr, pCrc, stepCrc, coeffMB+320, &mvCbCr, rt); + } else { + IppiRect mbRect; + + mbRect.x = dx; mbRect.y = dy; mbRect.width = mbRect.height = 16; + ippiWarpLuma_MPEG4_8u_C1R(pInfo->VisualObject.rFrame->pY, stepYr, pYc, stepYc, &mbRect, pInfo->VisualObject.VideoObject.WarpSpec); + mbRect.x >>= 1; mbRect.y >>= 1; mbRect.width = mbRect.height = 8; + ippiWarpChroma_MPEG4_8u_P2R(pInfo->VisualObject.rFrame->pCb, stepCbr, pInfo->VisualObject.rFrame->pCr, stepCrr, pCbc, stepCbc, pCrc, stepCrc, &mbRect, pInfo->VisualObject.VideoObject.WarpSpec); + if (pat) { + mp4_AddResidual(cbpy & 8, pYc, stepYc, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc*8, stepYc, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc*8+8, stepYc, coeffMB+192); + mp4_AddResidual(cbpc & 2, pCbc, stepCbc, coeffMB+256); + mp4_AddResidual(cbpc & 1, pCrc, stepCrc, coeffMB+320); + } + } + } + pMBinfo ++; + pMBdp ++; + colNum ++; + 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; + pYr += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYr << 4) - stepYr; + pCbr += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbr << 3) - stepCbr; + pCrr += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrr << 3) - stepCrr; + } + else + { + pYc += 16; pCrc += 8; pCbc += 8; + pYr += 16; pCrr += 8; pCbr += 8; + } + } + //mbCurr += mbInVideoPacket; + 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; + mbInVideoPacket = pInfo->VisualObject.VideoObject.VideoObjectPlane.macroblock_num - mbCurr; + 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; + pYr = pInfo->VisualObject.rFrame->pY + (rowNum * stepYr + colNum) * 16; pCbr = pInfo->VisualObject.rFrame->pCb + (rowNum * stepCbr + colNum) * 8; pCrr = pInfo->VisualObject.rFrame->pCr + (rowNum * stepCrr + colNum) * 8; + pMBinfo = pInfo->VisualObject.VideoObject.MBinfo + mbCurr; + } else + goto Err_2; + } else + goto Err_2; + } + // mark MBs the previous videopacket as invalid for prediction + for (i = 1; i <= IPP_MIN(mbInVideoPacket, mbPerRow + 1); i ++) + pMBinfo[-i].validPred = 0; + } +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; + } +// decode not data_partitioned S-VOP + { + int32_t stepY, pYoff23, field_prediction, dct_type, dct_typePrev, mb_ftfr, mb_fbfr; + IppMotionVector mvCbCrT, mvCbCrB, *mvField = pInfo->VisualObject.VideoObject.FieldMV; + + // warning "variable may be used without having been initialized" + dx = dy = ac_pred_flag = cbpy = cbpyPrev = field_prediction = dct_type = dct_typePrev = mb_ftfr = mb_fbfr = 0; + mvCbCr.dx = mvCbCr.dy = mvCbCrT.dx = mvCbCrT.dy = mvCbCrB.dx = mvCbCrB.dy = 0; + for (;;) { + // reset Intra prediction buffer on new Video_packet + mp4_ResetIntraPredBuffer(pInfo); + mbInVideoPacket = 0; + // decode blocks + for (;;) { + if (colNum == 0) { + // reset B-prediction blocks on new row + mp4_ResetIntraPredBblock(pInfo); + } + mb_not_coded = mp4_GetBit(pInfo); + mb_type = IPPVC_MBTYPE_INTER; + if (!mb_not_coded) { + if (mp4_DecodeMCBPC_P(pInfo, &mb_type, &cbpc, 1) != MP4_STATUS_OK) + goto Err_3; + } + if (mb_type != IPPVC_MB_STUFFING) { + if (!mb_not_coded) { + mcsel = (mb_type < IPPVC_MBTYPE_INTER4V) ? mp4_GetBit(pInfo) : 0; + if (mb_type >= IPPVC_MBTYPE_INTRA) + ac_pred_flag = mp4_GetBit(pInfo); + if (mp4_DecodeCBPY_P(pInfo, &cbpy, mb_type) != MP4_STATUS_OK) + goto Err_3; + quantPred = quant; + if (mb_type == IPPVC_MBTYPE_INTER_Q || mb_type == IPPVC_MBTYPE_INTRA_Q) + mp4_UpdateQuant(pInfo, quant); + if (interlaced) { + dct_type = 0; + field_prediction = 0; + if (mb_type >= IPPVC_MBTYPE_INTRA || (cbpy + cbpc) != 0) + dct_type = mp4_GetBit(pInfo); + if ((mb_type == IPPVC_MBTYPE_INTER || mb_type == IPPVC_MBTYPE_INTER_Q) && !mcsel) { + field_prediction = mp4_GetBit(pInfo); + if (field_prediction) { + mb_ftfr = mp4_GetBit(pInfo); + mb_fbfr = mp4_GetBit(pInfo); + } + } + } + } else { + mp4_StatisticInc_(&pInfo->VisualObject.Statistic.nMB_NOTCODED); + mcsel = 1; + field_prediction = 0; + } + pMBinfo->validPred = 1; + pMBinfo->not_coded = 0; // for B-VOP all MB have MVs + pMBinfo->type = (uint8_t)(mcsel ? IPPVC_MBTYPE_INTRA : mb_type); // for OBMC MVs + pMBinfo->field_info = (uint8_t)(field_prediction + (mb_ftfr << 1) + (mb_fbfr << 2)); + if (mb_type >= IPPVC_MBTYPE_INTRA) { + if (mbInVideoPacket == 0) + quantPred = quant; + dcVLC = (quantPred < mp4_DC_vlc_Threshold[pInfo->VisualObject.VideoObject.VideoObjectPlane.intra_dc_vlc_thr]) ? 1 : 0; + if (dct_type) { + stepY = stepYc * 2; + pYoff23 = stepYc; + } else { + stepY = stepYc; + pYoff23 = 8 * stepYc; + } + stepF[0] = stepF[1] = stepF[2] = stepF[3] = stepY; + pF[0] = pYc; pF[1] = pYc + 8; pF[2] = pYc + pYoff23; pF[3] = pYc + pYoff23 + 8; pF[4] = pCbc; pF[5] = pCrc; + if (mp4_DecodeIntraMB(pInfo, colNum, (cbpy << 2) + cbpc, quant, dcVLC, ac_pred_flag, pF, stepF) != MP4_STATUS_OK) + goto Err_3; + mp4_Zero4MV(pMBinfo->mv); + } else { + mp4_UpdateIntraPredBuffInvalid(pInfo, colNum); + dx = colNum * 16; + dy = rowNum * 16; + if (!mcsel) { + if (!field_prediction) { + if (mb_type != IPPVC_MBTYPE_INTER4V) { + if (mp4_PredictDecode1MV(pInfo, pMBinfo, rowNum, colNum) != MP4_STATUS_OK) + goto Err_3; + pMBinfo->mv[1] = pMBinfo->mv[2] = pMBinfo->mv[3] = pMBinfo->mv[0]; + if (quarter_sample) { + mp4_LimitMVQ(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 16); + mp4_ComputeChromaMVQ(mvCur, &mvCbCr); + } else { + mp4_LimitMV(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 16); + mp4_ComputeChromaMV(mvCur, &mvCbCr); + } + mvCur[1] = mvCur[2] = mvCur[3] = mvCur[0]; + } else { + if (mp4_PredictDecode4MV(pInfo, pMBinfo, rowNum, colNum) != MP4_STATUS_OK) + goto Err_3; + if (quarter_sample) { + mp4_Limit4MVQ(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 8); + mp4_ComputeChroma4MVQ(pMBinfo->mv, &mvCbCr); + } else { + mp4_Limit4MV(pMBinfo->mv, mvCur, &limitRectL, dx, dy, 8); + mp4_ComputeChroma4MV(pMBinfo->mv, &mvCbCr); + } + mp4_LimitMV(&mvCbCr, &mvCbCr, &limitRectC, dx >> 1, dy >> 1, 8); + } + } else { + IppMotionVector mvFT, mvFB; + if (mp4_PredictDecodeFMV(pInfo, pMBinfo, rowNum, colNum, &mvFT, &mvFB) != MP4_STATUS_OK) + goto Err_3; + mvField[0] = mvFT; mvField[1] = mvFB; + if (quarter_sample) { + mp4_LimitFMVQ(&mvFT, &mvCur[0], &limitRectL, dx, dy, 16); + mp4_LimitFMVQ(&mvFB, &mvCur[2], &limitRectL, dx, dy, 16); + mvTmp[0].dx = (int16_t)mp4_Div2(mvCur[0].dx); + mvTmp[0].dy = (int16_t)(mp4_Div2(mvCur[0].dy << 1) >> 1); + mvTmp[2].dx = (int16_t)mp4_Div2(mvCur[2].dx); + mvTmp[2].dy = (int16_t)(mp4_Div2(mvCur[2].dy << 1) >> 1); + mp4_ComputeChromaMV(&mvTmp[0], &mvCbCrT); + mp4_ComputeChromaMV(&mvTmp[2], &mvCbCrB); + } else { + mp4_LimitFMV(&mvFT, &mvCur[0], &limitRectL, dx, dy, 16); + mp4_LimitFMV(&mvFB, &mvCur[2], &limitRectL, dx, dy, 16); + mp4_ComputeChromaMV(&mvCur[0], &mvCbCrT); + mp4_ComputeChromaMV(&mvCur[2], &mvCbCrB); + } + } + } else { + ippiCalcGlobalMV_MPEG4(dx, dy, pMBinfo->mv, pInfo->VisualObject.VideoObject.WarpSpec); + pMBinfo->mv[1] = pMBinfo->mv[2] = pMBinfo->mv[3] = pMBinfo->mv[0]; + } + } + if (!obmc_disable) { + // OBMC for previous MB + if (colNum > 0) + if (pMBinfo[-1].type < IPPVC_MBTYPE_INTRA && !(pMBinfo[-1].field_info & 1)) // previous is marked as INTRA if it was mcsel + mp4_OBMC(pInfo, pMBinfo - 1, mvPrev, colNum - 1, rowNum, limitRectL, pYc - 16, stepYc, pYr - 16, stepYr, cbpyPrev, coeffMB, dct_typePrev); + if (mb_type < IPPVC_MBTYPE_INTRA && !field_prediction && !mcsel) { + cbpyPrev = cbpy; + dct_typePrev = dct_type; + mvPrev[0] = mvCur[0]; mvPrev[1] = mvCur[1]; mvPrev[2] = mvCur[2]; mvPrev[3] = mvCur[3]; + if (mp4_DecodeInterMB(pInfo, coeffMB, quant, (cbpy << 2) + cbpc, scan) != MP4_STATUS_OK) + goto Err_3; + mp4_MC_HP(cbpc & 2, pCbr, stepCbr, pCbc, stepCbc, coeffMB+256, &mvCbCr, rt); + mp4_MC_HP(cbpc & 1, pCrr, stepCrr, pCrc, stepCrc, coeffMB+320, &mvCbCr, rt); + // OBMC current MB if it is the last in the row + if (colNum == mbPerRow - 1) + mp4_OBMC(pInfo, pMBinfo, mvPrev, colNum, rowNum, limitRectL, pYc, stepYc, pYr, stepYr, cbpyPrev, coeffMB, dct_typePrev); + } + } + if (mb_type < IPPVC_MBTYPE_INTRA && (obmc_disable || field_prediction || mcsel)) { + pat = mb_not_coded ? 0 : ((cbpy << 2) + cbpc); + if (pat) + if (mp4_DecodeInterMB(pInfo, coeffMB, quant, pat, scan) != MP4_STATUS_OK) + goto Err_3; + if (!mcsel) { + if (quarter_sample) { + if (!field_prediction) { + if (mb_type == IPPVC_MBTYPE_INTER4V) { + mp4_Copy8x8QP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + mp4_Copy8x8QP_8u(pYr+8, stepYr, pYc+8, stepYc, &mvCur[1], rt); + mp4_Copy8x8QP_8u(pYr+stepYr*8, stepYr, pYc+stepYc*8, stepYc, &mvCur[2], rt); + mp4_Copy8x8QP_8u(pYr+8+stepYr*8, stepYr, pYc+8+stepYc*8, stepYc, &mvCur[3], rt); + } else { + mp4_Copy16x16QP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + } + } else { + mp4_Copy16x8QP_8u(pYr+stepYr*mb_ftfr, stepYr*2, pYc, stepYc*2, &mvCur[0], rt); + mp4_Copy16x8QP_8u(pYr+stepYr*mb_fbfr, stepYr*2, pYc+stepYc, stepYc*2, &mvCur[2], rt); + } + } else { + if (!field_prediction) { + if (mb_type == IPPVC_MBTYPE_INTER4V) { + mp4_Copy8x8HP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + mp4_Copy8x8HP_8u(pYr+8, stepYr, pYc+8, stepYc, &mvCur[1], rt); + mp4_Copy8x8HP_8u(pYr+stepYr*8, stepYr, pYc+stepYc*8, stepYc, &mvCur[2], rt); + mp4_Copy8x8HP_8u(pYr+8+stepYr*8, stepYr, pYc+8+stepYc*8, stepYc, &mvCur[3], rt); + } else { + mp4_Copy16x16HP_8u(pYr, stepYr, pYc, stepYc, &mvCur[0], rt); + } + } else { + mp4_Copy16x8HP_8u(pYr+stepYr*mb_ftfr, stepYr*2, pYc, stepYc*2, &mvCur[0], rt); + mp4_Copy16x8HP_8u(pYr+stepYr*mb_fbfr, stepYr*2, pYc+stepYc, stepYc*2, &mvCur[2], rt); + } + } + if (!dct_type) { + mp4_AddResidual(cbpy & 8, pYc, stepYc, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc*8, stepYc, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc*8+8, stepYc, coeffMB+192); + } else { + mp4_AddResidual(cbpy & 8, pYc, stepYc*2, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc*2, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc, stepYc*2, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc+8, stepYc*2, coeffMB+192); + } + if (!field_prediction) { + mp4_MC_HP(cbpc & 2, pCbr, stepCbr, pCbc, stepCbc, coeffMB+256, &mvCbCr, rt); + mp4_MC_HP(cbpc & 1, pCrr, stepCrr, pCrc, stepCrc, coeffMB+320, &mvCbCr, rt); + } else { + mp4_Copy8x4HP_8u(pCbr+(mb_ftfr ? stepCbr : 0), stepCbr*2, pCbc, stepCbc*2, &mvCbCrT, rt); + mp4_Copy8x4HP_8u(pCrr+(mb_ftfr ? stepCrr : 0), stepCrr*2, pCrc, stepCrc*2, &mvCbCrT, rt); + mp4_Copy8x4HP_8u(pCbr+(mb_fbfr ? stepCbr : 0), stepCbr*2, pCbc+stepCbc, stepCbc*2, &mvCbCrB, rt); + mp4_Copy8x4HP_8u(pCrr+(mb_fbfr ? stepCrr : 0), stepCrr*2, pCrc+stepCrc, stepCrc*2, &mvCbCrB, rt); + mp4_AddResidual(cbpc & 2, pCbc, stepCbc, coeffMB+256); + mp4_AddResidual(cbpc & 1, pCrc, stepCrc, coeffMB+320); + } + } else { + IppiRect mbRect; + + mbRect.x = dx; mbRect.y = dy; mbRect.width = mbRect.height = 16; + ippiWarpLuma_MPEG4_8u_C1R(pInfo->VisualObject.rFrame->pY, stepYr, pYc, stepYc, &mbRect, pInfo->VisualObject.VideoObject.WarpSpec); + mbRect.x >>= 1; mbRect.y >>= 1; mbRect.width = mbRect.height = 8; + ippiWarpChroma_MPEG4_8u_P2R(pInfo->VisualObject.rFrame->pCb, stepCbr, pInfo->VisualObject.rFrame->pCr, stepCrr, pCbc, stepCbc, pCrc, stepCrc, &mbRect, pInfo->VisualObject.VideoObject.WarpSpec); + if (pat) { + if (!dct_type) { + mp4_AddResidual(cbpy & 8, pYc, stepYc, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc*8, stepYc, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc*8+8, stepYc, coeffMB+192); + } else { + mp4_AddResidual(cbpy & 8, pYc, stepYc*2, coeffMB); + mp4_AddResidual(cbpy & 4, pYc+8, stepYc*2, coeffMB+64); + mp4_AddResidual(cbpy & 2, pYc+stepYc, stepYc*2, coeffMB+128); + mp4_AddResidual(cbpy & 1, pYc+stepYc+8, stepYc*2, coeffMB+192); + } + mp4_AddResidual(cbpc & 2, pCbc, stepCbc, coeffMB+256); + mp4_AddResidual(cbpc & 1, pCrc, stepCrc, coeffMB+320); + } + } + } + pMBinfo ++; + mvField += 2; + mbInVideoPacket ++; + colNum ++; + if (colNum == mbPerRow) { + colNum = 0; + rowNum ++; + if (rowNum == mbPerCol) { + // skip stuffing + while (mp4_ShowBits(pInfo, 10) == 1) + mp4_FlushBits(pInfo, 10); + 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; + pYr += (2 * MP4_NUM_EXT_MB + 1) * 16 + (stepYr << 4) - stepYr; + pCbr += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCbr << 3) - stepCbr; + pCrr += (2 * MP4_NUM_EXT_MB + 1) * 8 + (stepCrr << 3) - stepCrr; + } else { + pYc += 16; pCrc += 8; pCbc += 8; + pYr += 16; pCrr += 8; pCbr += 8; + } + } + if (!pInfo->VisualObject.VideoObject.resync_marker_disable) { + int32_t found; +ErrRet_3: + if (mp4_CheckDecodeVideoPacket(pInfo, &found) == MP4_STATUS_OK) { + if (found) { + mbInVideoPacket = pInfo->VisualObject.VideoObject.VideoObjectPlane.macroblock_num - mbCurr; + 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; + pYr = pInfo->VisualObject.rFrame->pY + (rowNum * stepYr + colNum) * 16; pCbr = pInfo->VisualObject.rFrame->pCb + (rowNum * stepCbr + colNum) * 8; pCrr = pInfo->VisualObject.rFrame->pCr + (rowNum * stepCrr + colNum) * 8; + pMBinfo = pInfo->VisualObject.VideoObject.MBinfo + mbCurr; + mvField = pInfo->VisualObject.VideoObject.FieldMV + 2 * mbCurr; + break; + } + } else + goto Err_3; + } + } + // mark MBs the previous videopacket as invalid for prediction + for (i = 1; i <= IPP_MIN(mbInVideoPacket, mbPerRow + 1); i ++) { + pMBinfo[-i].validPred = 0; + } + } +Err_3: + 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_3; + } +} + + + |