From 55c970e349af9caf3eee7b148460c20f3753e6f9 Mon Sep 17 00:00:00 2001 From: Vitor Sessak Date: Tue, 29 May 2007 15:01:33 +0000 Subject: Split RoQ decoder to accommodate future encoder patch patch by Vitor vitor1001 gmail moc original thread: [FFmpeg-devel] [PATCH] RoQ video encoder, take 2 date: 05/27/2007 12:21 PM Originally committed as revision 9149 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/roqvideo.h | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 libavcodec/roqvideo.h (limited to 'libavcodec/roqvideo.h') diff --git a/libavcodec/roqvideo.h b/libavcodec/roqvideo.h new file mode 100644 index 0000000000..72b3e1de33 --- /dev/null +++ b/libavcodec/roqvideo.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2003 the ffmpeg project + * + * 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" + +typedef struct { + unsigned char y[4]; + unsigned char u, v; +} roq_cell; + +typedef struct { + int idx[4]; +} roq_qcell; + +typedef struct RoqContext { + + AVCodecContext *avctx; + DSPContext dsp; + AVFrame frames[2]; + AVFrame *last_frame; + AVFrame *current_frame; + int first_frame; + int y_stride; + int c_stride; + + roq_cell cells[256]; + roq_qcell qcells[256]; + + unsigned char *buf; + int size; + +} RoqContext; + +#define RoQ_INFO 0x1001 +#define RoQ_QUAD_CODEBOOK 0x1002 +#define RoQ_QUAD_VQ 0x1011 +#define RoQ_SOUND_MONO 0x1020 +#define RoQ_SOUND_STEREO 0x1021 + +#define RoQ_ID_MOT 0x00 +#define RoQ_ID_FCC 0x01 +#define RoQ_ID_SLD 0x02 +#define RoQ_ID_CCC 0x03 + +void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell); +void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell); + +void ff_apply_motion_4x4(RoqContext *ri, int x, int y, int deltax, int deltay); + +void ff_apply_motion_8x8(RoqContext *ri, int x, int y, int deltax, int deltay); -- cgit v1.2.3