mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
|
|
*
|
|
* 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 "libavcodec/avcodec.h"
|
|
#include "libavcodec/dsputil.h"
|
|
#include "dsputil_bfin.h"
|
|
|
|
void ff_bfin_vp3_idct (DCTELEM *block) attribute_l1_text;
|
|
void ff_bfin_idct (DCTELEM *block) attribute_l1_text;
|
|
void ff_bfin_add_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
|
|
void ff_bfin_put_pixels_clamped (DCTELEM *block, uint8_t *dest, int line_size) attribute_l1_text;
|
|
|
|
/* Intra iDCT offset 128 */
|
|
void ff_bfin_vp3_idct_put (uint8_t *dest, int line_size, DCTELEM *block)
|
|
{
|
|
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
|
int i,j;
|
|
|
|
ff_bfin_vp3_idct (block);
|
|
|
|
for (i=0;i<8;i++)
|
|
for (j=0;j<8;j++)
|
|
dest[line_size*i+j]=cm[128+block[i*8+j]];
|
|
}
|
|
|
|
/* Inter iDCT */
|
|
void ff_bfin_vp3_idct_add (uint8_t *dest, int line_size, DCTELEM *block)
|
|
{
|
|
ff_bfin_vp3_idct (block);
|
|
ff_bfin_add_pixels_clamped (block, dest, line_size);
|
|
}
|
|
|
|
|