mirror of https://git.ffmpeg.org/ffmpeg.git
208 lines
7.3 KiB
ArmAsm
208 lines
7.3 KiB
ArmAsm
/*
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* Blackfin Pixel Operations
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/bfin/asm.h"
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/*
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motion compensation
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primitives
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* Halfpel motion compensation with rounding (a+b+1)>>1.
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* This is an array[4][4] of motion compensation funcions for 4
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br>
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination where the result is stored
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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DEFUN(put_pixels8uc,mL1,
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(uint8_t *block, const uint8_t *s0, const uint8_t *s1,
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int dest_size, int line_size, int h)):
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i3=r0; // dest
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i0=r1; // src0
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i1=r2; // src1
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r0=[sp+12]; // dest_size
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r2=[sp+16]; // line_size
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p0=[sp+20]; // h
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[--sp] = (r7:6);
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r0+=-4;
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m3=r0;
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r2+=-8;
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m0=r2;
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LSETUP(pp8$0,pp8$1) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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pp8$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0]|| R2 =[I1++M0];
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R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R6 ;
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pp8$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7;
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(r7:6) = [sp++];
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RTS;
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DEFUN_END(put_pixels8uc)
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DEFUN(put_pixels16uc,mL1,
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(uint8_t *block, const uint8_t *s0, const uint8_t *s1,
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int dest_size, int line_size, int h)):
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link 0;
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[--sp] = (r7:6);
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i3=r0; // dest
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i0=r1; // src0
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i1=r2; // src1
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r0=[fp+20]; // dest_size
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r2=[fp+24]; // line_size
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p0=[fp+28]; // h
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r0+=-12;
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m3=r0; // line_size
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r2+=-16;
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m0=r2;
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LSETUP(pp16$0,pp16$1) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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pp16$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++] || R2 =[I1++];
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R7 = BYTEOP1P(R1:0,R3:2)(R) || R1 = [I0++] || R3 =[I1++];
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[I3++] = R6;
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R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0] || R2 =[I1++M0];
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R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R7 ;
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[I3++] = R6;
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pp16$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7;
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(r7:6) = [sp++];
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unlink;
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RTS;
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DEFUN_END(put_pixels16uc)
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DEFUN(z_put_pixels16_xy2,mL1,
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(uint8_t *block, const uint8_t *s0,
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int dest_size, int line_size, int h)):
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link 0;
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[--sp] = (r7:4);
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i3=r0; // dest
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i0=r1; // src0--> pixels
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i1=r1; // src1--> pixels + line_size
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r2+=-12;
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m2=r2; // m2=dest_width-4
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r2=[fp+20];
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m3=r2; // line_size
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p0=[fp+24]; // h
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r2+=-16;
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i1+=m3; /* src1 + line_size */
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m0=r2; /* line-size - 20 */
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B0 = I0;
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B1 = I1;
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B3 = I3;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LSETUP(LS$16E,LE$16E) LC0=P0;
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LS$16E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++] || R2 =[I1++];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R1 = [I0++] || [I3++] = R4 ;
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DISALGNEXCPT || R3 = [I1++] || [I3++] = R5;
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R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0]|| R2 = [I1++M0];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ;
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LE$16E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5;
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M1 = 1;
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I3 = B3;
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I1 = B1;
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I0 = B0;
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I0 += M1;
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I1 += M1;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LSETUP(LS$16O,LE$16O) LC0=P0;
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LS$16O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++] || R2 =[I1++];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R1 = [I0++] || R6 =[I3++];
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R4 = R4 +|+ R6 || R7 = [I3--];
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R5 = R5 +|+ R7 || [I3++] = R4;
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DISALGNEXCPT || R3 =[I1++] || [I3++] = R5;
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R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0]|| R2 = [I1++M0];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 = [I3++];
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R4 = R4 +|+ R6 || R7 = [I3--];
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R5 = R5 +|+ R7 || [I3++] = R4;
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LE$16O: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5;
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(r7:4) = [sp++];
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unlink;
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rts;
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DEFUN_END(z_put_pixels16_xy2)
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DEFUN(z_put_pixels8_xy2,mL1,
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(uint8_t *block, const uint8_t *s0,
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int dest_size, int line_size, int h)):
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link 0;
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[--sp] = (r7:4);
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i3=r0; // dest
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i0=r1; // src0--> pixels
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i1=r1; // src1--> pixels + line_size
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r2+=-4;
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m2=r2; // m2=dest_width-4
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r2=[fp+20];
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m3=r2; // line_size
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p0=[fp+24]; // h
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r2+=-8;
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i1+=m3; /* src1 + line_size */
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m0=r2; /* line-size - 20 */
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b0 = I0;
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b1 = I1;
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b3 = I3;
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LSETUP(LS$8E,LE$8E) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LS$8E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0] || R2 =[I1++M0];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ;
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LE$8E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5;
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M1 = 1;
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I3 = b3;
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I1 = b1;
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I0 = b0;
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I0 += M1;
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I1 += M1;
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LSETUP(LS$8O,LE$8O) LC0=P0;
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DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
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LS$8O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
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R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0] || R2 =[I1++M0];
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R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 =[I3++];
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R4 = R4 +|+ R6 || R7 = [I3--];
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R5 = R5 +|+ R7 || [I3++] = R4;
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LE$8O: DISALGNEXCPT || R2 =[I1++] || [I3++M2] = R5;
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(r7:4) = [sp++];
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unlink;
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rts;
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DEFUN_END(z_put_pixels8_xy2)
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