/* * Blackfin Pixel Operations * Copyright (C) 2007 Marc Hoffman * * 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 */ #include "config_bfin.h" /* motion compensation primitives * Halfpel motion compensation with rounding (a+b+1)>>1. * This is an array[4][4] of motion compensation funcions for 4 * horizontal blocksizes (8,16) and the 4 halfpel positions
* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] * @param block destination where the result is stored * @param pixels source * @param line_size number of bytes in a horizontal line of block * @param h height */ DEFUN(put_pixels8uc,mL1, (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h)): i3=r0; // dest i0=r1; // src0 i1=r2; // src1 r0=[sp+12]; // dest_size r2=[sp+16]; // line_size p0=[sp+20]; // h [--sp] = (r7:6); r0+=-4; m3=r0; r2+=-8; m0=r2; LSETUP(pp8$0,pp8$1) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; pp8$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0]|| R2 =[I1++M0]; R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R6 ; pp8$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; (r7:6) = [sp++]; RTS; DEFUN_END(put_pixels8uc) DEFUN(put_pixels16uc,mL1, (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int dest_size, int line_size, int h)): link 0; [--sp] = (r7:6); i3=r0; // dest i0=r1; // src0 i1=r2; // src1 r0=[fp+20]; // dest_size r2=[fp+24]; // line_size p0=[fp+28]; // h r0+=-12; m3=r0; // line_size r2+=-16; m0=r2; LSETUP(pp16$0,pp16$1) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; pp16$0: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++] || R2 =[I1++]; R7 = BYTEOP1P(R1:0,R3:2)(R) || R1 = [I0++] || R3 =[I1++]; [I3++] = R6; R6 = BYTEOP1P(R1:0,R3:2) || R0 = [I0++M0] || R2 =[I1++M0]; R7 = BYTEOP1P(R1:0,R3:2)(R) || R0 = [I0++] || [I3++] = R7 ; [I3++] = R6; pp16$1: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; (r7:6) = [sp++]; unlink; RTS; DEFUN_END(put_pixels16uc) DEFUN(put_pixels8uc_nornd,mL1, (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h)): i3=r0; // dest i0=r1; // src0 i1=r2; // src1 r2=[sp+12]; // line_size p0=[sp+16]; // h [--sp] = (r7:6); r2+=-4; m3=r2; r2+=-4; m0=r2; LSETUP(pp8$2,pp8$3) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; pp8$2: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0]|| R2 =[I1++M0]; R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R6 ; pp8$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; (r7:6) = [sp++]; RTS; DEFUN_END(put_pixels8uc_nornd) DEFUN(put_pixels16uc_nornd,mL1, (uint8_t *block, const uint8_t *s0, const uint8_t *s1, int line_size, int h)): i3=r0; // dest i0=r1; // src0 i1=r2; // src1 r2=[sp+12]; // line_size p0=[sp+16]; // h [--sp] = (r7:6); r2+=-12; m3=r2; // line_size r2+=-4; m0=r2; LSETUP(pp16$2,pp16$3) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; pp16$2: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++] || R2 =[I1++]; R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R1 = [I0++] || R3 =[I1++]; [I3++] = R6; R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0] || R2 =[I1++M0]; R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R7 ; [I3++] = R6; pp16$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7; (r7:6) = [sp++]; RTS; DEFUN_END(put_pixels16uc_nornd) DEFUN(z_put_pixels16_xy2,mL1, (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h)): link 0; [--sp] = (r7:4); i3=r0; // dest i0=r1; // src0--> pixels i1=r1; // src1--> pixels + line_size r2+=-12; m2=r2; // m2=dest_width-4 r2=[fp+20]; m3=r2; // line_size p0=[fp+24]; // h r2+=-16; i1+=m3; /* src1 + line_size */ m0=r2; /* line-size - 20 */ B0 = I0; B1 = I1; B3 = I3; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; LSETUP(LS$16E,LE$16E) LC0=P0; LS$16E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++] || R2 =[I1++]; R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R1 = [I0++] || [I3++] = R4 ; DISALGNEXCPT || R3 = [I1++] || [I3++] = R5; R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0]|| R2 = [I1++M0]; R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ; LE$16E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; M1 = 1; I3 = B3; I1 = B1; I0 = B0; I0 += M1; I1 += M1; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; LSETUP(LS$16O,LE$16O) LC0=P0; LS$16O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++] || R2 =[I1++]; R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R1 = [I0++] || R6 =[I3++]; R4 = R4 +|+ R6 || R7 = [I3--]; R5 = R5 +|+ R7 || [I3++] = R4; DISALGNEXCPT || R3 =[I1++] || [I3++] = R5; R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0]|| R2 = [I1++M0]; R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 = [I3++]; R4 = R4 +|+ R6 || R7 = [I3--]; R5 = R5 +|+ R7 || [I3++] = R4; LE$16O: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; (r7:4) = [sp++]; unlink; rts; DEFUN_END(z_put_pixels16_xy2) DEFUN(z_put_pixels8_xy2,mL1, (uint8_t *block, const uint8_t *s0, int dest_size, int line_size, int h)): link 0; [--sp] = (r7:4); i3=r0; // dest i0=r1; // src0--> pixels i1=r1; // src1--> pixels + line_size r2+=-4; m2=r2; // m2=dest_width-4 r2=[fp+20]; m3=r2; // line_size p0=[fp+24]; // h r2+=-8; i1+=m3; /* src1 + line_size */ m0=r2; /* line-size - 20 */ b0 = I0; b1 = I1; b3 = I3; LSETUP(LS$8E,LE$8E) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; LS$8E: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R4 = BYTEOP2P (R3:2,R1:0) (RNDL) || R0 = [I0++M0] || R2 =[I1++M0]; R5 = BYTEOP2P (R3:2,R1:0) (RNDL,R) || R0 = [I0++] || [I3++] = R4 ; LE$8E: DISALGNEXCPT || R2 = [I1++] || [I3++M2] = R5; M1 = 1; I3 = b3; I1 = b1; I0 = b0; I0 += M1; I1 += M1; LSETUP(LS$8O,LE$8O) LC0=P0; DISALGNEXCPT || R0 = [I0++] || R2 =[I1++]; LS$8O: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++]; R4 = BYTEOP2P (R3:2,R1:0) (RNDH) || R0 = [I0++M0] || R2 =[I1++M0]; R5 = BYTEOP2P (R3:2,R1:0) (RNDH,R) || R0 = [I0++] || R6 =[I3++]; R4 = R4 +|+ R6 || R7 = [I3--]; R5 = R5 +|+ R7 || [I3++] = R4; LE$8O: DISALGNEXCPT || R2 =[I1++] || [I3++M2] = R5; (r7:4) = [sp++]; unlink; rts; DEFUN_END(z_put_pixels8_xy2)