mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
|
|
* DCA compatible decoder - huffman tables
|
|
* Copyright (C) 2004 Gildas Bazin
|
|
* Copyright (C) 2007 Konstantin Shishkov
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVCODEC_DCAHUFF_H
|
|
#define AVCODEC_DCAHUFF_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "libavutil/attributes.h"
|
|
|
|
#include "vlc.h"
|
|
|
|
#define DCA_CODE_BOOKS 10
|
|
#define DCA_BITALLOC_12_COUNT 5
|
|
#define DCA_NUM_BITALLOC_CODES (1 * 3 + \
|
|
3 * (5 + 7 + 9 + 13) \
|
|
+ 7 * (17 + 25 + 33 + 65 + 129))
|
|
|
|
extern VLC ff_dca_vlc_bit_allocation[5];
|
|
#define DCA_TMODE_VLC_BITS 3
|
|
extern VLC ff_dca_vlc_transition_mode[4];
|
|
#define DCA_SCALES_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_scale_factor[5];
|
|
extern VLC ff_dca_vlc_quant_index[DCA_CODE_BOOKS][7];
|
|
|
|
#define DCA_TNL_GRP_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_tnl_grp[5];
|
|
#define DCA_TNL_SCF_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_tnl_scf;
|
|
#define DCA_DAMP_VLC_BITS 6
|
|
extern VLC ff_dca_vlc_damp;
|
|
#define DCA_DPH_VLC_BITS 6
|
|
extern VLC ff_dca_vlc_dph;
|
|
#define DCA_FST_RSD_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_fst_rsd_amp;
|
|
#define DCA_RSD_APPRX_VLC_BITS 5
|
|
extern VLC ff_dca_vlc_rsd_apprx;
|
|
#define DCA_RSD_AMP_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_rsd_amp;
|
|
#define DCA_AVG_G3_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_avg_g3;
|
|
#define DCA_ST_GRID_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_st_grid;
|
|
#define DCA_GRID_VLC_BITS 9
|
|
extern VLC ff_dca_vlc_grid_2;
|
|
extern VLC ff_dca_vlc_grid_3;
|
|
#define DCA_RSD_VLC_BITS 6
|
|
extern VLC ff_dca_vlc_rsd;
|
|
|
|
extern const int8_t ff_dca_bitalloc_offsets[DCA_CODE_BOOKS];
|
|
extern const uint8_t ff_dca_bitalloc_sizes[DCA_CODE_BOOKS];
|
|
extern const uint8_t ff_dca_vlc_src_tables[][2];
|
|
|
|
av_cold void ff_dca_init_vlcs(void);
|
|
|
|
#endif /* AVCODEC_DCAHUFF_H */
|