4 * This file is part of Libav.
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavutil/frame.h"
27 #include "libavutil/mem.h"
29 #include "bitstream.h"
43 typedef struct HQXLUT
{
49 typedef struct HQXAC
{
50 int lut_bits
, extra_bits
;
56 typedef int (*mb_decode_func
)(struct HQXContext
*ctx
,
57 int slice_no
, int x
, int y
);
59 typedef struct HQXSlice
{
61 DECLARE_ALIGNED(16, int16_t, block
)[16][64];
64 typedef struct HQXContext
{
69 mb_decode_func decode_func
;
71 int format
, dcb
, width
, height
;
75 unsigned int data_size
;
76 uint32_t slice_off
[17];
82 #define HQX_DC_VLC_BITS 9
84 extern const HQXAC ff_hqx_ac
[NUM_HQX_AC
];
86 int ff_hqx_init_vlcs(HQXContext
*ctx
);
88 #endif /* AVCODEC_HQX_H */