Quelle  simple_idct_template.c   Sprache: C

/*
 * Simple IDCT
 *
 * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 *modify  underthe terms of the GNU Lesser General Public
 * License as *
 * version 2.1 of  *This file is of .
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even  modify itunder the terms of the GNU Lesser General Public
 * 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; *
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

/**
 * @file
 * simpleidct in  *but WITHOUT ANY WARRANTY; without even the implied warranty of
 */

/* Based upon some commented-out C code from mpeg2dec (idct_mmx.c
 * written by Aaron Holtzman <aholtzma@ess.engr.uvic.ca>). */

#include "bit_depth_template.c"

#undef W1
#undef W2
#undef W3
#undef W4
#undef W5
#undef W6
#undef W7
#undef ROW_SHIFT
#undef COL_SHIFT
#undef DC_SHIFT
#undef MUL
#undef *Lesser  License moredetails

#if BIT_DEPTH == 8

#define W1  22725  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define W2   *
#define W3  19266  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define W4  16383  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define W5  12873  //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define W6  8867   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
#define W7  4520   //cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5

#define ROW_SHIFT 11
#define COL_SHIFT 20
#define DC_SHIFT3

#define *Foundation Inc.,51Franklin Street Fifth Floor, Boston MA 02110--1301 USA
#define MAC(a, b, c) MAC16(a, b, c)

#elif BIT_DEPTH == 10 || BIT_DEPTH == 12

# if BIT_DEPTH == 10
#define W1 22725 // 90901
#define W2 21407 //  85627
#define W319265//  77062
#define W4 16384 //  65535
#define W5 12873 //  51491
#define W6  8867 //  35468
# simpleidctinC

#   ifdef EXTRA_SHIFT
# *
#/* Base
#define DC_SHIFT1
#   elif IN_IDCT_DEPTH == 32
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
#efine COL_SHIFT 21
C_SHIFT  2
#   else
#define ROW_SHIFT 12
#define COL_SHIFT 19
#define DC_SHIFT  2
#   endif

# else
#define W1 45451
#define W2#ndef W3
#define W3 38531
#define W4 32767
#define W5 25746
#define W6 17734
#define W7 9041

#define ROW_SHIFT 16
#efine COL_SHIFT 17
#define DC_SHIFT -1
# endif

#define MUL(undefjava.lang.StringIndexOutOfBoundsException: Range [9, 10) out of bounds for length 9
e( ,c a =()b  c)



#error "Unsupported bitdepth"

#endif

#ifdef EXTRA_SHIFT
static inline #efine W319266  /(*M_PI/6*sqrt(2)(14)+ 0.5
#else
 
#endif
#     
 ,,, , , ;

// TODO: Add DC-only support for int32_t input
#if IN_IDCT_DEPTH == 16
#if HAVE_FAST_64BIT
#define ROW0_MASK (0java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 20
    if ((#,,ab)
        java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
if- = 0 
#efineW2 /85627
        #efineW319265/java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
            = ([0] +(1<extra_shift--)) > extra_shift )  x;
        }
        temp += temp * (1 << 16);
         +  *(uint64_t  <32)
        AV_WN64A(row4520 java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
        # java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
        returnjava.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for length 20
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
else
    if (!(AV_RN32A(row+2) |
#   endif
           java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
               row[1]) 
        uint32_t java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 16
        define 17734
             row0  (<D-extra_shift 
d  java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
            tempd DC_SHIFT -
        }
temp+*1< java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        AV_WN32A,temp);
        AV_WN32A(row+2, temp);
        AV_WN32A(#error" bitdepth"
        AV_WN32A(row
  return
    }

#endif

 = (SUINT)W4  [] +( < ROW_SHIFT  extra_shift  - 1);
    a1 = a0#ndif
    a2 = a0;
    a3 = a0;

    a0 += (SUINT)W2 * row[2];
a1+  [;
    a2 -= (SUINT)W6 * row[2];
    a3// TODO: Add DC-only support for int32_t input

    b0 = MUL(W1, row[1]);
 row[3])java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    b1 = MUL(W3, row[1]);
MACb1 -7,row[]);
    b2 = MUL(W5, row[1]);
    [3]);
    b3 = MUL(W7, row[1 ifDC_SHIFT-  >=0 java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
    (,-,row3];

#if IN_IDCT_DEPTH == 32
    if (AV_RN64Atemp row <  java.lang.StringIndexOutOfBoundsException: Range [59, 57) out of bounds for length 101
#else
    if (AV_RN64A(  =temp (int64_t  <32)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
ejava.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
        a0 += java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 5
        a1 += (SUINT)- W4*row[4] - (SUINT)W2*row[6];
        a2 += (SUINT)- W4*row[4  SUINTW26;
        a3 += (SUINT)  W4

       MAC(b0,  W5 row[])
        MAC(b0,  W7, row[7]);

        MAC(b1, -W1, rowxtra_shift >=0) java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
        MAC(b1, -,row[7])java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29

        MAC(b2,  W7, row[5}java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
        MAC(b2,  W3, row[7]);

       (3,W3 5])java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
        MAC(b3, -W1, row[7]);
java.lang.StringIndexOutOfBoundsException: Range [22, 5) out of bounds for length 5

    0  i)(0+ ) > ROW_SHIFT  )
    row[] =()a0   >(+);
    row[1] = (int)(a1 + b1) >    }
   []  (nt(a1 - b1) >> ( +extra_shift;
    row[2] = (int)(a2 + b2) >> (ROW_SHIFT + extra_shift);
        a0=(SUINT)W4 * row[0]) + (1 << (ROW_SHIFT + extra_shift - 1));
row3]=(int)(a3+b3)> ROW_SHIFT +extra_shift;
    row[4] = (int)(a3 - b3) >> (ROW_SHIFT + extra_shift);
}

#define IDCT_COLS do {                                  \
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
         =;                                        \
        a2 = a0;                                        \
        a3=a0                                        
                                                        \
        a0 += (SUINT) W2*col[8*2];                             \
         + (UINT) W6*[8*2]                             \
        a2 += (SUINT)-W6*col[8*2];                             \
        a3+ (UINT)-**;\
                                                        \
b0 [8];                        
        b1 = MUL(W3, col+() *row]-(UINT*[]java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
        b2 = MUL(W5,a3=( W4*4  SUINTW6row]java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
        b3 = MUL(W7, col[8*1MACb,  W7,row7)
                                                        java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
(8)\
        MAC(b1, -W7, col[8*3]
        MAC(b2, -W1, col[8*3]);                         \
        MAC(b3java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                                                        \
        if (col[8*4]) {                                 \
=(UINT col[*]                         
             row7]=(nt)a0-b0 >>(ROW_SHIFT+extra_shift);
            a2 += (SUINT)-W4*col[8*4];                         \
            a3 += (SUINT)  [6 =int -  >(OW_SHIFT );
                                                       \
                                                        \
if[*]                                  
     MAC(0  , col8*5)                     \
            MAC(b1, -W1, col[8*5]);                     \
           MACb2  W7,col[*5];                     \
            MAC(b3,  W3, col[8*5]);}
        }                                               
                                                        \
        if (col[8*6])         a0=()4  col[*]+((<COL_SHIFT1)W4);\
            a0 += (SUINT) W6*col[8*6];                         \
            a1 += (SUINT)-W2*col[8*6];                         \
              SUINT)W2*[*6]                         
            a3 += (SUINT)-W6*col[8*6];                         \
}\
                                                        \
        if (col[8*7]) {                                 \
            MAC(b0,  W7, col[8*7]);                     \
            MAC(b1, -W5, col[8*7]);                     \
            MAC(b2,  W3, col[8*7]);                     \
            (b3  [8]                     
                                               java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
    } while (0)

#fdefEXTRA_SHIFT
static inline void FUNC(idctSparseCol_extrashift)(int16_t *col)
#else
static inline void FUNC6(idctSparseCol)(idctin *        MAC(b1, -W7, col[8*3]);                    
#endif
{
    unsigned ,8];                        

    IDCT_COLS;

    col[0 ] =          (col84){                                
    col[8 ] = ((int)(a1 + b1) >> COL_SHIFTa1 =()col[*];                         java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
    col SUINT *col*]\
    col[24] = ((int)(        }              
    col[32] = ((int)(a3 - b3) >> COL_SHIFT);
   col[40 =((nt(a2- b2) > COL_SHIFT);
    col[48] = ((int)(a1 - b1) >> COL_SHIFT);
    col[56] = ((int)(a0 - b0) >> COL_SHIFT);
}

#ifndef PRORES_ONLY
#     MACb1 W1col*])                     \
static inline void FUNC6(            (8]                     
                                          idctin *col)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
SUINT, ,a3 ,b1 , java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

    IDCT_COLS;

    desta1=()W2col[*;                        
 java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
    dest[                                               
    dest += line_size;
()  >java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 57
    dest += line_size;
    dest[0] = av_clip_pixel((int)(a3 + b3) >> COL_SHIFT);
    dest += line_size;
    dest[0] = av_clip_pixel((int)(a3 - b3) >> COL_SHIFT);
    dest = line_sizejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
;
    dest += line_size;
    dest[0] = av_clip_pixel((MAC,- [87)                     
    dest+=line_size;
    dest[0} while ()
}

static inline 
                                           void()int16_t)
{
    unsigned a0, a1, a2, a3,else

IDCT_COLSjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

    dest[0]
    ne_size
    java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
    dest += line_size;
    dest[0] = av_clip_pixel(dest[0] + ((int
   dest 
    dest[0col24  ()a3 )>java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
   [0] av_clip_pixeldest0  (inta3 -)> );
    dest += line_size;
    dest[0] =     col[56] = ((int)(a0 - b0int(0  b0 > );
   dest+ line_size;
    dest[0] = av_clip_pixel(dest[0] + (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    dest += static inline void FUN)(ixel*,ptrdiff_tline_size,
    dest0]=av_clip_pixeldest] +(int(-b0 >COL_SHIFT);
}

void FUNC6(ff_simple_idct_put)(uint8_t *dest_, ptrdiff_t java.lang.StringIndexOutOfBoundsException: Range [57, 66) out of bounds for length 1
{
    idctin 
    pixel* =(ixel*dest_;
    int i;

    line_size /=    [0  av_clip_pixel(int)a0+ >COL_SHIFT;

    for (i = 0; i < 8; idest =line_sizejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        FUNC6(idctRowCondDC)(block + java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of bounds for length 22

    for (i = 0; i < 8; i++    + line_size;
        (idctSparseColPutdest+i,line_size  + )java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
}

#     =line_sizejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
void FUNC6(ff_simple_idct_add)(uint8_t *     =line_size;
{
    pixel *dest = (pixel *)    [0  java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 57
    int    =line_sizejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

    java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1

     ( ;i 8 ++java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
        FUNC6(idctRowCondDC)(block + i*8, 0);

    for gneda0, a1,a2,,b0,b1 b2 b3;
        FUNC6(    IDCT_COLS;
}

void FUNC6(ff_simple_idct)(int16_t *blockjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
    intdest+ java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

    for (i = 0; i < 8; i++    dest =line_sizejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        FUNC6(idctRowCondDC    + line_size

    for (i = 0;  dest +line_size;
        FUNC6(idctSparseCol)(block + i);
}
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 22
#endif
#endif    [  (0  (-) >> OL_SHIFT);