mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
b78e7197a8
and fix GPL/LGPL version mismatches. Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2006 Michael Benjamin
|
|
*
|
|
* 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 "../avcodec.h"
|
|
#include "../dsputil.h"
|
|
|
|
static int sad8x8_bfin( void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h )
|
|
{
|
|
int sum;
|
|
__asm__ __volatile__ (
|
|
"P0 = %1;" // blk1
|
|
"P1 = %2;" // blk2
|
|
"P2 = %3;\n" // h
|
|
"I0 = P0;"
|
|
"I1 = P1;\n"
|
|
"A0 = 0;"
|
|
"A1 = 0;\n"
|
|
"M0 = P2;\n"
|
|
"P3 = 32;\n"
|
|
"LSETUP (sad8x8LoopBegin, sad8x8LoopEnd) LC0=P3;\n"
|
|
"sad8x8LoopBegin:\n"
|
|
" DISALGNEXCPT || R0 = [I0] || R2 = [I1];\n"
|
|
" DISALGNEXCPT || R1 = [I0++] || R3 = [I1++];\n"
|
|
"sad8x8LoopEnd:\n"
|
|
" SAA ( R1:0 , R3:2 );\n"
|
|
"R3 = A1.L + A1.H, R2 = A0.L + A0.H;\n"
|
|
"%0 = R2 + R3 (S);\n"
|
|
: "=&d" (sum)
|
|
: "m"(blk1), "m"(blk2), "m"(h)
|
|
: "P0","P1","P2","I0","I1","A0","A1","R0","R1","R2","R3");
|
|
return sum;
|
|
}
|
|
|
|
void dsputil_init_bfin( DSPContext* c, AVCodecContext *avctx )
|
|
{
|
|
c->pix_abs[1][0] = sad8x8_bfin;
|
|
c->sad[1] = sad8x8_bfin;
|
|
}
|