umc_h264_mc.cpp

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_BWD_FWD_16x8:
        // 2 vectors for the MB (2 - 8x4 chroma blocks)
        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane) + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);

        // Do other 8x4 block
        pMVFwd += uWidthIn4x4Blocks * 2;      // Reposition MV pointer to next 16x8
        pDst += DEST_PITCH*4;

        block_ref = pRefIdxL0[uWidthIn4x4Blocks * 2];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
                       + uOffset + uPitch*4;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_BWD_BWD_16x8:
        // 2 vectors for the MB (2 - 8x4 chroma blocks)
        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane) + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);

        // Do other 8x4 block
        pMVBwd += uWidthIn4x4Blocks * 2;      // Reposition MV pointer to next 16x8
        pDst += DEST_PITCH*4;

        block_ref = pRefIdxL1[uWidthIn4x4Blocks * 2];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset + uPitch*4;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_BIDIR_FWD_16x8:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do other 8x4 block
        pMVFwd += uWidthIn4x4Blocks * 2;      // Reposition MV pointer to next 16x8
        pDst += DEST_PITCH*4;

        block_ref = pRefIdxL0[uWidthIn4x4Blocks * 2];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
                       + uOffset + uPitch*4;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_FWD_BIDIR_16x8:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do first 8x4 block

        // 2 vectors for the MB (2 - 8x4 chroma blocks)
        block_ref = pRefIdxL0[0];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
                       + uOffset;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_BIDIR_BWD_16x8:
        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do other 8x4 block
        pMVBwd += uWidthIn4x4Blocks * 2;      // Reposition MV pointer to next 16x8
        pDst += DEST_PITCH*4;

        block_ref = pRefIdxL1[uWidthIn4x4Blocks * 2];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
                       + uOffset + uPitch*4;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_BWD_BIDIR_16x8:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do first 8x4 block
        // 2 vectors for the MB (2 - 8x4 chroma blocks)
        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane) + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 8x4 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size8x4);
        break;

    case MBTYPE_INTER_8x16:
    case MBTYPE_FWD_FWD_8x16:
        // 2 vectors for the MB (2 - 4x8 chroma blocks)
        block_ref = pRefIdxL0[0];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane) + uOffset;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);

        // Do other 4x8 block
        pMVFwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL0[2];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_FWD_BWD_8x16:
        // 2 vectors for the MB (2 - 4x8 chroma blocks)
        block_ref = pRefIdxL0[0];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane) + uOffset;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);

        // Do other 4x8 block
        pMVBwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL1[2];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_BWD_FWD_8x16:
        // 2 vectors for the MB (2 - 4x8 chroma blocks)
        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);

        // Do other 4x8 block
        pMVFwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL0[2];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_BWD_BWD_8x16:
        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);

        // Do other 4x8 block
        pMVBwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL1[2];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_BIDIR_FWD_8x16:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do other 4x8 block
        pMVFwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL0[2];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_FWD_BIDIR_8x16:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        block_ref = pRefIdxL0[0];
        prev_frame = get_chroma_ptr(pRefPicList0[block_ref], is_v_plane)
            + uOffset;
        pMCRef = prev_frame + SubpelChromaMVAdjust(pMVFwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_BWD_BIDIR_8x16:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        block_ref = pRefIdxL1[0];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_BIDIR_BWD_8x16:

        MCOneBiDirMBChroma(
            uMB,
            uPitch,
            pMVFwd,
            pMVBwd,
            pDst,
            m_pCurrentFrame->pTempBuff4DirectB,
            is_v_plane
        );

        // Do other 4x8 block
        pMVBwd += 2;                // Reposition MV pointer to next 8x16
        pDst += 4;

        block_ref = pRefIdxL1[2];
        futr_frame = get_chroma_ptr(pRefPicList1[block_ref], is_v_plane)
            + uOffset + 4;
        pMCRef = futr_frame + SubpelChromaMVAdjust(pMVBwd, uPitch, iXType, iYType);

        // interpolate copy the 4x8 block
        ippiInterpolateChroma_H264_8u_C1R (pMCRef, uPitch, pDst, DEST_PITCH, iXType, iYType, size4x8);
        break;

    case MBTYPE_INTER_8x8:
    case MBTYPE_INTER_8x8_REF0:
    case MBTYPE_B_8x8:
        {