| /* ------------------------------------------------------------------ |
| * 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_ |