From c92a30bb061036def498e48e11d454a61e0f3b1f Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Wed, 5 Sep 2007 05:30:08 +0000 Subject: Move H.264 intra prediction functions into their own context Originally committed as revision 10397 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264pred.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 libavcodec/h264pred.h (limited to 'libavcodec/h264pred.h') diff --git a/libavcodec/h264pred.h b/libavcodec/h264pred.h new file mode 100644 index 0000000000..68a0db5ef2 --- /dev/null +++ b/libavcodec/h264pred.h @@ -0,0 +1,76 @@ +/* + * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder + * Copyright (c) 2003 Michael Niedermayer + * + * 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 h264pred.h + * H.264 / AVC / MPEG4 prediction functions. + * @author Michael Niedermayer + */ + +#ifndef H264PRED_H +#define H264PRED_H + +#include "common.h" + +/** + * Prediction types + */ +//@{ +#define VERT_PRED 0 +#define HOR_PRED 1 +#define DC_PRED 2 +#define DIAG_DOWN_LEFT_PRED 3 +#define DIAG_DOWN_RIGHT_PRED 4 +#define VERT_RIGHT_PRED 5 +#define HOR_DOWN_PRED 6 +#define VERT_LEFT_PRED 7 +#define HOR_UP_PRED 8 + +#define LEFT_DC_PRED 9 +#define TOP_DC_PRED 10 +#define DC_128_PRED 11 + +#define DIAG_DOWN_LEFT_PRED_RV40_NODOWN 12 +#define HOR_UP_PRED_RV40_NODOWN 13 + +#define DC_PRED8x8 0 +#define HOR_PRED8x8 1 +#define VERT_PRED8x8 2 +#define PLANE_PRED8x8 3 + +#define LEFT_DC_PRED8x8 4 +#define TOP_DC_PRED8x8 5 +#define DC_128_PRED8x8 6 +//@} + +/** + * Context for storing H.264 prediction functions + */ +typedef struct H264PredContext{ + void (*pred4x4 [9+3+2])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp? + void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride); + void (*pred8x8 [4+3])(uint8_t *src, int stride); + void (*pred16x16[4+3])(uint8_t *src, int stride); +}H264PredContext; + +void ff_h264_pred_init(H264PredContext *h, int codec_id); + +#endif /* H264PRED_H */ -- cgit v1.2.3