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ffmpeg-4.2.2/libavcodec/mips/hevc_macros_msa.h 3.01 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2015 - 2017 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef AVCODEC_MIPS_HEVC_MACROS_MSA_H
  #define AVCODEC_MIPS_HEVC_MACROS_MSA_H
  
  #define HEVC_FILT_8TAP_SH(in0, in1, in2, in3,                    \
                            filt0, filt1, filt2, filt3)            \
  ( {                                                              \
      v8i16 out_m;                                                 \
                                                                   \
      out_m = __msa_dotp_s_h((v16i8) in0, (v16i8) filt0);          \
      out_m = __msa_dpadd_s_h(out_m, (v16i8) in1, (v16i8) filt1);  \
      DPADD_SB2_SH(in2, in3, filt2, filt3, out_m, out_m);          \
      out_m;                                                       \
  } )
  
  #define HEVC_FILT_8TAP(in0, in1, in2, in3,                       \
                         filt0, filt1, filt2, filt3)               \
  ( {                                                              \
      v4i32 out_m;                                                 \
                                                                   \
      out_m = __msa_dotp_s_w((v8i16) in0, (v8i16) filt0);          \
      out_m = __msa_dpadd_s_w(out_m, (v8i16) in1, (v8i16) filt1);  \
      DPADD_SH2_SW(in2, in3, filt2, filt3, out_m, out_m);          \
      out_m;                                                       \
  } )
  
  #define HEVC_FILT_4TAP_SH(in0, in1, filt0, filt1)                \
  ( {                                                              \
      v8i16 out_m;                                                 \
                                                                   \
      out_m = __msa_dotp_s_h((v16i8) in0, (v16i8) filt0);          \
      out_m = __msa_dpadd_s_h(out_m, (v16i8) in1, (v16i8) filt1);  \
      out_m;                                                       \
  } )
  
  #define HEVC_FILT_4TAP(in0, in1, filt0, filt1)           \
  ( {                                                      \
      v4i32 out_m;                                         \
                                                           \
      out_m = __msa_dotp_s_w(in0, (v8i16) filt0);          \
      out_m = __msa_dpadd_s_w(out_m, in1, (v8i16) filt1);  \
      out_m;                                               \
  } )
  
  #endif  /* AVCODEC_MIPS_HEVC_MACROS_MSA_H */