From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:57:22 +0100 Subject: making act segmenter --- ffmpeg/libavcodec/h261.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 ffmpeg/libavcodec/h261.c (limited to 'ffmpeg/libavcodec/h261.c') diff --git a/ffmpeg/libavcodec/h261.c b/ffmpeg/libavcodec/h261.c new file mode 100644 index 0000000..f89d5c7 --- /dev/null +++ b/ffmpeg/libavcodec/h261.c @@ -0,0 +1,52 @@ +/* + * H261 common code + * Copyright (c) 2002-2004 Michael Niedermayer + * 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 + * h261codec. + */ + +#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); +} -- cgit v1.2.3