PeerStreamer

/*

 * 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 libavcodec/svq1.h

 * 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

struct svq1_frame_size {

    uint16_t width;

    uint16_t height;

};

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 struct svq1_frame_size ff_svq1_frame_size_table[7];

#endif /* AVCODEC_SVQ1_H */