0,0 → 1,59 |
/* |
* 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> |
|
#define SVQ1_BLOCK_SKIP 0 |
#define SVQ1_BLOCK_INTER 1 |
#define SVQ1_BLOCK_INTER_4V 2 |
#define SVQ1_BLOCK_INTRA 3 |
|
uint16_t ff_svq1_packet_checksum(const uint8_t *data, |
const int length, int value); |
|
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]; |
|
#endif /* AVCODEC_SVQ1_H */ |