/* ------------------------------------------------------------------ * Copyright (C) 1998-2009 PacketVideo * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. * See the License for the specific language governing permissions * and limitations under the License. * ------------------------------------------------------------------- */ #ifndef _DCT_H_ #define _DCT_H_ const static Int ColThInter[32] = {0, 0x1C, 0x4C, 0x6C, 0x9C, 0xBC, 0xEC, 0x10C, 0x13C, 0x15C, 0x18C, 0x1AC, 0x1DC, 0x1FC, 0x22C, 0x24C, 0x27C, 0x29C, 0x2CC, 0x2EC, 0x31C, 0x33C, 0x36C, 0x38C, 0x3BC, 0x3DC, 0x40C, 0x42C, 0x45C, 0x47C, 0x4AC, 0x4CC }; const static Int ColThIntra[32] = {0, 0x1C, 0x3C, 0x5C, 0x7C, 0x9C, 0xBC, 0xDC, 0xFC, 0x11C, 0x13C, 0x15C, 0x17C, 0x19C, 0x1BC, 0x1DC, 0x1FC, 0x21C, 0x23C, 0x25C, 0x27C, 0x29C, 0x2BC, 0x2DC, 0x2FC, 0x31C, 0x33C, 0x35C, 0x37C, 0x39C, 0x3BC, 0x3DC }; /******************************************************/ /********** IDCT part **************************/ const static unsigned char imask[8] = {128, 64, 32, 16, 8, 4, 2, 1}; const static unsigned char mask[8] = {0x7f, 0xbf, 0xdf, 0xef, 0xf7, 0xfb, 0xfd, 0xfe}; #define W1 2841 /* 2048*sqrt(2)*cos(1*pi/16) */ #define W2 2676 /* 2048*sqrt(2)*cos(2*pi/16) */ #define W3 2408 /* 2048*sqrt(2)*cos(3*pi/16) */ #define W5 1609 /* 2048*sqrt(2)*cos(5*pi/16) */ #define W6 1108 /* 2048*sqrt(2)*cos(6*pi/16) */ #define W7 565 /* 2048*sqrt(2)*cos(7*pi/16) */ #ifdef __cplusplus extern "C" { #endif /* Reduced input IDCT */ void idct_col0(Short *blk); void idct_col1(Short *blk); void idct_col2(Short *blk); void idct_col3(Short *blk); void idct_col4(Short *blk); void idct_col0x40(Short *blk); void idct_col0x20(Short *blk); void idct_col0x10(Short *blk); void idct_rowInter(Short *srce, UChar *rec, Int lx); void idct_row0Inter(Short *blk, UChar *rec, Int lx); void idct_row1Inter(Short *blk, UChar *rec, Int lx); void idct_row2Inter(Short *blk, UChar *rec, Int lx); void idct_row3Inter(Short *blk, UChar *rec, Int lx); void idct_row4Inter(Short *blk, UChar *rec, Int lx); void idct_row0x40Inter(Short *blk, UChar *rec, Int lx); void idct_row0x20Inter(Short *blk, UChar *rec, Int lx); void idct_row0x10Inter(Short *blk, UChar *rec, Int lx); void idct_row0xCCInter(Short *blk, UChar *rec, Int lx); void idct_rowIntra(Short *srce, UChar *rec, Int lx); void idct_row0Intra(Short *blk, UChar *rec, Int lx); void idct_row1Intra(Short *blk, UChar *rec, Int lx); void idct_row2Intra(Short *blk, UChar *rec, Int lx); void idct_row3Intra(Short *blk, UChar *rec, Int lx); void idct_row4Intra(Short *blk, UChar *rec, Int lx); void idct_row0x40Intra(Short *blk, UChar *rec, Int lx); void idct_row0x20Intra(Short *blk, UChar *rec, Int lx); void idct_row0x10Intra(Short *blk, UChar *rec, Int lx); void idct_row0xCCIntra(Short *blk, UChar *rec, Int lx); void idct_rowzmv(Short *srce, UChar *rec, UChar *prev, Int lx); void idct_row0zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row1zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row2zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row3zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row4zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row0x40zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row0x20zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row0x10zmv(Short *blk, UChar *rec, UChar *prev, Int lx); void idct_row0xCCzmv(Short *blk, UChar *rec, UChar *prev, Int lx); #ifdef __cplusplus } #endif /* Look-up table mapping to RIDCT from bitmap */ #ifdef SMALL_DCT static void (*const idctcolVCA[16])(Short*) = { &idct_col0, &idct_col4, &idct_col3, &idct_col4, &idct_col2, &idct_col4, &idct_col3, &idct_col4, &idct_col1, &idct_col4, &idct_col3, &idct_col4, &idct_col2, &idct_col4, &idct_col3, &idct_col4 }; static void (*const idctrowVCAInter[16])(Short*, UChar*, Int) = { &idct_row0Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter, &idct_row2Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter, &idct_row1Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter, &idct_row2Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter }; static void (*const idctrowVCAzmv[16])(Short*, UChar*, UChar*, Int) = { &idct_row0zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv, &idct_row2zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv, &idct_row1zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv, &idct_row2zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv }; static void (*const idctrowVCAIntra[16])(Short*, UChar*, Int) = { &idct_row0Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra, &idct_row2Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra, &idct_row1Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra, &idct_row2Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra }; #else /* SMALL_DCT */ static void (*const idctcolVCA[16])(Short*) = { &idct_col0, &idct_col0x10, &idct_col0x20, &idct_col4, &idct_col0x40, &idct_col4, &idct_col3, &idct_col4, &idct_col1, &idct_col4, &idct_col3, &idct_col4, &idct_col2, &idct_col4, &idct_col3, &idct_col4 }; static void (*const idctrowVCAInter[16])(Short*, UChar*, Int) = { &idct_row0Inter, &idct_row0x10Inter, &idct_row0x20Inter, &idct_row4Inter, &idct_row0x40Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter, &idct_row1Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter, &idct_row2Inter, &idct_row4Inter, &idct_row3Inter, &idct_row4Inter }; static void (*const idctrowVCAzmv[16])(Short*, UChar*, UChar*, Int) = { &idct_row0zmv, &idct_row0x10zmv, &idct_row0x20zmv, &idct_row4zmv, &idct_row0x40zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv, &idct_row1zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv, &idct_row2zmv, &idct_row4zmv, &idct_row3zmv, &idct_row4zmv }; static void (*const idctrowVCAIntra[16])(Short*, UChar*, Int) = { &idct_row0Intra, &idct_row0x10Intra, &idct_row0x20Intra, &idct_row4Intra, &idct_row0x40Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra, &idct_row1Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra, &idct_row2Intra, &idct_row4Intra, &idct_row3Intra, &idct_row4Intra }; #endif /* SMALL_DCT */ #ifdef __cplusplus extern "C" { #endif /* part in AppVCA_dct.c */ //void Block1x1DCTzmv (Short *out,UChar *prev,UChar *cur,UChar *rec,Int lx,Int chroma); void Block1x1DCTwSub(Short *out, UChar *cur, UChar *prev, Int pitch_chroma); void Block1x1DCTIntra(Short *out, UChar *cur, UChar *dummy1, Int pitch_chroma); /* This part is in dct_aan.c */ Void BlockDCT_AANwSub(Short *out, UChar *cur, UChar *prev, Int pitch_chroma); Void Block4x4DCT_AANwSub(Short *out, UChar *cur, UChar *prev, Int pitch_chroma); Void Block2x2DCT_AANwSub(Short *out, UChar *cur, UChar *prev, Int pitch_chroma); //Void BlockDCT_AANzmv(Short *out,UChar *prev,UChar *cur,UChar *rec,Int ColTh,Int lx,Int chroma); //Void Block4x4DCT_AANzmv(Short *out,UChar *prev,UChar *cur,UChar *rec,Int ColTh,Int lx,Int chroma); //Void Block2x2DCT_AANzmv(Short *out,UChar *prev,UChar *cur,UChar *rec,Int ColTh,Int lx,Int chroma); Void BlockDCT_AANIntra(Short *out, UChar *cur, UChar *dummy1, Int pitch_chroma); Void Block4x4DCT_AANIntra(Short *out, UChar *cur, UChar *dummy1, Int pitch_chroma); Void Block2x2DCT_AANIntra(Short *out, UChar *cur, UChar *dummy1, Int pitch_chroma); #ifdef __cplusplus } #endif #endif //_DCT_H_