mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-24 19:59:46 +00:00
ba87f0801d
Passing an explicit filename to this command is only necessary if the documentation in the @file block refers to a file different from the one the block resides in. Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
|
|
* 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
|
|
|
|
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 */
|