libavcodec/svq1.h
54166165
 /*
  * 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
  */
 
 /**
ba87f080
  * @file
54166165
  * Sorenson Vector Quantizer #1 (SVQ1) video codec.
  * For more information of the SVQ1 algorithm, visit:
  *   http://www.pcisys.net/~melanson/codecs/
  */
 
98790382
 #ifndef AVCODEC_SVQ1_H
 #define AVCODEC_SVQ1_H
54166165
 
 #include <stdint.h>
 
 #define SVQ1_BLOCK_SKIP         0
 #define SVQ1_BLOCK_INTER        1
 #define SVQ1_BLOCK_INTER_4V     2
 #define SVQ1_BLOCK_INTRA        3
 
ada12f83
 uint16_t ff_svq1_packet_checksum(const uint8_t *data,
                                  const int length, int value);
2be3fe39
 
ada12f83
 extern const int8_t *const ff_svq1_inter_codebooks[6];
 extern const int8_t *const ff_svq1_intra_codebooks[6];
54166165
 
 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];
 
6ed9fc44
 extern const uint16_t ff_svq1_frame_size_table[7][2];
54166165
 
98790382
 #endif /* AVCODEC_SVQ1_H */