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.
67 lines
2.1 KiB
67 lines
2.1 KiB
/* |
|
* SVQ1 decoder |
|
* ported to MPlayer by Arpi <arpi@thot.banki.hu> |
|
* ported to libavcodec by Nick Kurshev <nickols_k@mail.ru> |
|
* |
|
* Copyright (c) 2002 The Xine project |
|
* Copyright (c) 2002 The FFmpeg project |
|
* |
|
* SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net> |
|
* |
|
* 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 |
|
* Sorenson Vector Quantizer #1 (SVQ1) video codec. |
|
* For more information of the SVQ1 algorithm, visit: |
|
* http://www.pcisys.net/~melanson/codecs/ |
|
*/ |
|
|
|
#ifndef AVCODEC_SVQ1_H |
|
#define AVCODEC_SVQ1_H |
|
|
|
#include <stdint.h> |
|
|
|
#include "libavutil/attributes_internal.h" |
|
|
|
#define SVQ1_BLOCK_SKIP 0 |
|
#define SVQ1_BLOCK_INTER 1 |
|
#define SVQ1_BLOCK_INTER_4V 2 |
|
#define SVQ1_BLOCK_INTRA 3 |
|
|
|
#define SVQ1_BLOCK_SKIP_CODE 1 |
|
#define SVQ1_BLOCK_SKIP_LEN 1 |
|
#define SVQ1_BLOCK_INTER_CODE 1 |
|
#define SVQ1_BLOCK_INTER_LEN 2 |
|
#define SVQ1_BLOCK_INTRA_CODE 0 |
|
#define SVQ1_BLOCK_INTRA_LEN 3 |
|
|
|
FF_VISIBILITY_PUSH_HIDDEN |
|
extern const int8_t *const ff_svq1_inter_codebooks[6]; |
|
extern const int8_t *const ff_svq1_intra_codebooks[6]; |
|
|
|
extern const uint8_t ff_svq1_block_type_vlc[4][2]; |
|
extern const uint8_t ff_svq1_intra_multistage_vlc[6][8][2]; |
|
extern const uint8_t ff_svq1_inter_multistage_vlc[6][8][2]; |
|
extern const uint16_t ff_svq1_intra_mean_vlc[256][2]; |
|
extern const uint16_t ff_svq1_inter_mean_vlc[512][2]; |
|
|
|
extern const uint16_t ff_svq1_frame_size_table[7][2]; |
|
FF_VISIBILITY_POP_HIDDEN |
|
|
|
#endif /* AVCODEC_SVQ1_H */
|
|
|