mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.7 KiB
54 lines
1.7 KiB
/* |
|
* H261 common code |
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
|
* Copyright (c) 2004 Maarten Daniels |
|
* |
|
* 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 |
|
*/ |
|
|
|
/** |
|
* @file h261.c |
|
* h261codec. |
|
*/ |
|
|
|
#include "dsputil.h" |
|
#include "avcodec.h" |
|
#include "h261.h" |
|
|
|
#define IS_FIL(a) ((a)&MB_TYPE_H261_FIL) |
|
|
|
uint8_t ff_h261_rl_table_store[2][2*MAX_RUN + MAX_LEVEL + 3]; |
|
|
|
void ff_h261_loop_filter(MpegEncContext *s){ |
|
H261Context * h= (H261Context*)s; |
|
const int linesize = s->linesize; |
|
const int uvlinesize= s->uvlinesize; |
|
uint8_t *dest_y = s->dest[0]; |
|
uint8_t *dest_cb= s->dest[1]; |
|
uint8_t *dest_cr= s->dest[2]; |
|
|
|
if(!(IS_FIL (h->mtype))) |
|
return; |
|
|
|
s->dsp.h261_loop_filter(dest_y , linesize); |
|
s->dsp.h261_loop_filter(dest_y + 8, linesize); |
|
s->dsp.h261_loop_filter(dest_y + 8 * linesize , linesize); |
|
s->dsp.h261_loop_filter(dest_y + 8 * linesize + 8, linesize); |
|
s->dsp.h261_loop_filter(dest_cb, uvlinesize); |
|
s->dsp.h261_loop_filter(dest_cr, uvlinesize); |
|
} |
|
|
|
|