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/*
* 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))
typedef struct DCAVLC {
int max_depth; ///< Parameter for get_vlc2()
VLC vlc[7]; ///< Actual codes
} DCAVLC;
extern DCAVLC ff_dca_vlc_bit_allocation;
#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 DCAVLC ff_dca_vlc_quant_index[DCA_CODE_BOOKS];
extern VLC ff_dca_vlc_tnl_grp[5];
extern VLC ff_dca_vlc_tnl_scf;
extern VLC ff_dca_vlc_damp;
extern VLC ff_dca_vlc_dph;
extern VLC ff_dca_vlc_fst_rsd_amp;
extern VLC ff_dca_vlc_rsd_apprx;
extern VLC ff_dca_vlc_rsd_amp;
extern VLC ff_dca_vlc_avg_g3;
extern VLC ff_dca_vlc_st_grid;
extern VLC ff_dca_vlc_grid_2;
extern VLC ff_dca_vlc_grid_3;
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 */
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