87 lines
3.7 KiB
C
87 lines
3.7 KiB
C
|
/***************************************************************************
|
||
|
|
* Video decoder for the W996[87]CF driver for Linux. *
|
||
|
|
* *
|
||
|
|
* Copyright (C) 2003 2004 by Luca Risolia <luca.risolia@studio.unibo.it> *
|
||
|
|
* *
|
||
|
|
* This program is free software; you can redistribute it and/or modify *
|
||
|
|
* it under the terms of the GNU General Public License as published by *
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
||
|
|
* (at your option) any later version. *
|
||
|
|
* *
|
||
|
|
* This program 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 General Public License for more details. *
|
||
|
|
* *
|
||
|
|
* You should have received a copy of the GNU General Public License *
|
||
|
|
* along with this program; if not, write to the Free Software *
|
||
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
|
||
|
|
***************************************************************************/
|
||
|
|
|
||
|
|
#ifndef _W9968CF_DECODER_H_
|
||
|
|
#define _W9968CF_DECODER_H_
|
||
|
|
|
||
|
|
/* Comment/uncomment this for high/low quality of compressed video */
|
||
|
|
#define W9968CF_DEC_FAST_LOWQUALITY_VIDEO
|
||
|
|
|
||
|
|
#ifdef W9968CF_DEC_FAST_LOWQUALITY_VIDEO
|
||
|
|
static const unsigned char Y_QUANTABLE[64] = {
|
||
|
|
16, 11, 10, 16, 24, 40, 51, 61,
|
||
|
|
12, 12, 14, 19, 26, 58, 60, 55,
|
||
|
|
14, 13, 16, 24, 40, 57, 69, 56,
|
||
|
|
14, 17, 22, 29, 51, 87, 80, 62,
|
||
|
|
18, 22, 37, 56, 68, 109, 103, 77,
|
||
|
|
24, 35, 55, 64, 81, 104, 113, 92,
|
||
|
|
49, 64, 78, 87, 103, 121, 120, 101,
|
||
|
|
72, 92, 95, 98, 112, 100, 103, 99
|
||
|
|
};
|
||
|
|
|
||
|
|
static const unsigned char UV_QUANTABLE[64] = {
|
||
|
|
17, 18, 24, 47, 99, 99, 99, 99,
|
||
|
|
18, 21, 26, 66, 99, 99, 99, 99,
|
||
|
|
24, 26, 56, 99, 99, 99, 99, 99,
|
||
|
|
47, 66, 99, 99, 99, 99, 99, 99,
|
||
|
|
99, 99, 99, 99, 99, 99, 99, 99,
|
||
|
|
99, 99, 99, 99, 99, 99, 99, 99,
|
||
|
|
99, 99, 99, 99, 99, 99, 99, 99,
|
||
|
|
99, 99, 99, 99, 99, 99, 99, 99
|
||
|
|
};
|
||
|
|
#else
|
||
|
|
static const unsigned char Y_QUANTABLE[64] = {
|
||
|
|
8, 5, 5, 8, 12, 20, 25, 30,
|
||
|
|
6, 6, 7, 9, 13, 29, 30, 27,
|
||
|
|
7, 6, 8, 12, 20, 28, 34, 28,
|
||
|
|
7, 8, 11, 14, 25, 43, 40, 31,
|
||
|
|
9, 11, 18, 28, 34, 54, 51, 38,
|
||
|
|
12, 17, 27, 32, 40, 52, 56, 46,
|
||
|
|
24, 32, 39, 43, 51, 60, 60, 50,
|
||
|
|
36, 46, 47, 49, 56, 50, 51, 49
|
||
|
|
};
|
||
|
|
|
||
|
|
static const unsigned char UV_QUANTABLE[64] = {
|
||
|
|
8, 9, 12, 23, 49, 49, 49, 49,
|
||
|
|
9, 10, 13, 33, 49, 49, 49, 49,
|
||
|
|
12, 13, 28, 49, 49, 49, 49, 49,
|
||
|
|
23, 33, 49, 49, 49, 49, 49, 49,
|
||
|
|
49, 49, 49, 49, 49, 49, 49, 49,
|
||
|
|
49, 49, 49, 49, 49, 49, 49, 49,
|
||
|
|
49, 49, 49, 49, 49, 49, 49, 49,
|
||
|
|
49, 49, 49, 49, 49, 49, 49, 49
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define W9968CF_DEC_ERR_CORRUPTED_DATA -1
|
||
|
|
#define W9968CF_DEC_ERR_BUF_OVERFLOW -2
|
||
|
|
#define W9968CF_DEC_ERR_NO_SOI -3
|
||
|
|
#define W9968CF_DEC_ERR_NO_SOF0 -4
|
||
|
|
#define W9968CF_DEC_ERR_NO_SOS -5
|
||
|
|
#define W9968CF_DEC_ERR_NO_EOI -6
|
||
|
|
|
||
|
|
extern void w9968cf_init_decoder(void);
|
||
|
|
extern int w9968cf_check_headers(const unsigned char* Pin,
|
||
|
|
const unsigned long BUF_SIZE);
|
||
|
|
extern int w9968cf_decode(const char* Pin, const unsigned long BUF_SIZE,
|
||
|
|
const unsigned W, const unsigned H, char* Pout);
|
||
|
|
|
||
|
|
#endif /* _W9968CF_DECODER_H_ */
|