repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * SVQ1 decoder | |
| 3 | * ported to MPlayer by Arpi <arpi@thot.banki.hu> | |
| 4 | * ported to libavcodec by Nick Kurshev <nickols_k@mail.ru> | |
| 5 | * | |
| 6 | * Copyright (c) 2002 The Xine Project | |
| 7 | * Copyright (c) 2002 The FFmpeg Project | |
| 8 | * | |
| 9 | * SVQ1 Encoder (c) 2004 Mike Melanson <melanson@pcisys.net> | |
| 10 | * | |
| 11 | * This file is part of FFmpeg. | |
| 12 | * | |
| 13 | * FFmpeg is free software; you can redistribute it and/or | |
| 14 | * modify it under the terms of the GNU Lesser General Public | |
| 15 | * License as published by the Free Software Foundation; either | |
| 16 | * version 2.1 of the License, or (at your option) any later version. | |
| 17 | * | |
| 18 | * FFmpeg is distributed in the hope that it will be useful, | |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 21 | * Lesser General Public License for more details. | |
| 22 | * | |
| 23 | * You should have received a copy of the GNU Lesser General Public | |
| 24 | * License along with FFmpeg; if not, write to the Free Software | |
| 25 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 26 | */ | |
| 27 | ||
| 28 | /** | |
| 29 | * @file | |
| 30 | * Sorenson Vector Quantizer #1 (SVQ1) video codec. | |
| 31 | * For more information of the SVQ1 algorithm, visit: | |
| 32 | * http://www.pcisys.net/~melanson/codecs/ | |
| 33 | */ | |
| 34 | ||
| 35 | #ifndef AVCODEC_SVQ1_H | |
| 36 | #define AVCODEC_SVQ1_H | |
| 37 | ||
| 38 | #include <stdint.h> | |
| 39 | ||
| 40 | #define SVQ1_BLOCK_SKIP 0 | |
| 41 | #define SVQ1_BLOCK_INTER 1 | |
| 42 | #define SVQ1_BLOCK_INTER_4V 2 | |
| 43 | #define SVQ1_BLOCK_INTRA 3 | |
| 44 | ||
| 45 | uint16_t ff_svq1_packet_checksum(const uint8_t *data, | |
| 46 | const int length, int value); | |
| 47 | ||
| 48 | extern const int8_t *const ff_svq1_inter_codebooks[6]; | |
| 49 | extern const int8_t *const ff_svq1_intra_codebooks[6]; | |
| 50 | ||
| 51 | extern const uint8_t ff_svq1_block_type_vlc[4][2]; | |
| 52 | extern const uint8_t ff_svq1_intra_multistage_vlc[6][8][2]; | |
| 53 | extern const uint8_t ff_svq1_inter_multistage_vlc[6][8][2]; | |
| 54 | extern const uint16_t ff_svq1_intra_mean_vlc[256][2]; | |
| 55 | extern const uint16_t ff_svq1_inter_mean_vlc[512][2]; | |
| 56 | ||
| 57 | extern const uint16_t ff_svq1_frame_size_table[7][2]; | |
| 58 | ||
| 59 | #endif /* AVCODEC_SVQ1_H */ |