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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ------------------------------------------------------------------------------------------- */ /** * \file * \brief Declaration of InterpolationFilter class */ #pragma once #include "CommonDef.h" #include "Unit.h" #include "Buffer.h" namespace vvdec { using namespace x86_simd; using namespace arm_simd; #define IF_INTERNAL_PREC 14 ///< Number of bits for internal precision #define IF_FILTER_PREC 6 ///< Log2 of sum of filter taps #define IF_INTERNAL_OFFS (1<<(IF_INTERNAL_PREC-1)) ///< Offset used internally #define IF_INTERNAL_PREC_BILINEAR 10 ///< Number of bits for internal precision #define IF_FILTER_PREC_BILINEAR 4 ///< Bilinear filter coeff precision so that intermediate value will not exceed 16 bit for SIMD - bit exact /** * \brief Interpolation filter class */ class InterpolationFilter { static const TFilterCoeff m_lumaFilter4x4 [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; public: static const TFilterCoeff m_lumaFilter [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; ///< Luma filter taps static const TFilterCoeff m_chromaFilter [CHROMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][NTAPS_CHROMA]; ///< Chroma filter taps static const TFilterCoeff m_lumaFilterRPR1 [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; ///< Luma filter taps 1.5x static const TFilterCoeff m_lumaFilterRPR2 [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; ///< Luma filter taps 2x static const TFilterCoeff m_chromaFilterRPR1 [CHROMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][NTAPS_CHROMA]; ///< Chroma filter taps 1.5x static const TFilterCoeff m_chromaFilterRPR2 [CHROMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS][NTAPS_CHROMA]; ///< Chroma filter taps 2x static const TFilterCoeff m_affineLumaFilterRPR1[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; ///< Luma filter taps 1.5x static const TFilterCoeff m_affineLumaFilterRPR2[LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_LUMA]; ///< Luma filter taps 2x private: static const TFilterCoeff m_lumaAltHpelIFilter [NTAPS_LUMA]; ///< Luma filter taps static const TFilterCoeff m_bilinearFilter [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_BILINEAR]; ///< bilinear filter taps static const TFilterCoeff m_bilinearFilterPrec4 [LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS] [NTAPS_BILINEAR]; ///< bilinear filter taps public: template static void filterCopy(const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, bool biMCForDMVR ); template static void filter (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeff); template void filterHor (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, bool isLast, TFilterCoeff const *coeff); template void filterVer (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, bool isFirst, bool isLast, TFilterCoeff const *coeff); template static void filterXxY_N2 (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV); template static void filterXxY_N4 (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV); template static void filterXxY_N8 (const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV); static void scalarFilterN2_2D(const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *ch, TFilterCoeff const *cv); static void xWeightedGeoBlk( const CodingUnit &cu, const uint32_t width, const uint32_t height, const ComponentID compIdx, const uint8_t splitDir, PelUnitBuf& predDst, PelUnitBuf& predSrc0, PelUnitBuf& predSrc1, const ClpRng& clipRng ); void weightedGeoBlk ( const CodingUnit &cu, const uint32_t width, const uint32_t height, const ComponentID compIdx, const uint8_t splitDir, PelUnitBuf& predDst, PelUnitBuf& predSrc0, PelUnitBuf& predSrc1, const ClpRng& clipRng ); protected: public: InterpolationFilter(); ~InterpolationFilter() {} void( *m_filterN2_2D )( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *ch, TFilterCoeff const *cv ); void( *m_filterHor[3][2][2] )( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeff ); void( *m_filterVer[3][2][2] )( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeff ); void( *m_filterCopy[2][2] ) ( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, bool biMCForDMVR ); void( *m_filter4x4 [2][2] ) ( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV ); void( *m_filter8x8 [2][2] ) ( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV ); void( *m_filter16x16[2][2] ) ( const ClpRng& clpRng, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, TFilterCoeff const *coeffH, TFilterCoeff const *coeffV ); void( *m_weightedGeoBlk )(const CodingUnit &cu, const uint32_t width, const uint32_t height, const ComponentID compIdx, const uint8_t splitDir, PelUnitBuf& predDst, PelUnitBuf& predSrc0, PelUnitBuf& predSrc1, const ClpRng& clpRng); void initInterpolationFilter( bool enable ); #ifdef TARGET_SIMD_X86 void initInterpolationFilterX86(); template void _initInterpolationFilterX86(); #endif #ifdef TARGET_SIMD_ARM void initInterpolationFilterARM(); template void _initInterpolationFilterARM(); #endif void filterN2_2D(const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int fracX, int fracY, const ChromaFormat fmt, const ClpRng& clpRng); void filter4x4 (const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int fracX, int fracY, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng); void filter8x8 (const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int fracX, int fracY, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng, bool useAltHpelIf = false); void filter16x16(const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int fracX, int fracY, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng, bool useAltHpelIf = false); void filterHor (const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int frac, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng, int nFilterIdx = 0, bool useAltHpelIf = false ); void filterVer (const ComponentID compID, const Pel* src, const ptrdiff_t srcStride, Pel* dst, const ptrdiff_t dstStride, int width, int height, int frac, bool isFirst, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng, int nFilterIdx = 0, bool useAltHpelIf = false ); static TFilterCoeff const * getChromaFilterTable(const int deltaFract) { return m_chromaFilter[deltaFract]; }; }; }