diff options
Diffstat (limited to 'drivers/usb/media/w9968cf_decoder.h')
-rw-r--r-- | drivers/usb/media/w9968cf_decoder.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/usb/media/w9968cf_decoder.h b/drivers/usb/media/w9968cf_decoder.h new file mode 100644 index 000000000000..31faccbe8f03 --- /dev/null +++ b/drivers/usb/media/w9968cf_decoder.h | |||
@@ -0,0 +1,86 @@ | |||
1 | /*************************************************************************** | ||
2 | * Video decoder for the W996[87]CF driver for Linux. * | ||
3 | * * | ||
4 | * Copyright (C) 2003 2004 by Luca Risolia <luca.risolia@studio.unibo.it> * | ||
5 | * * | ||
6 | * This program is free software; you can redistribute it and/or modify * | ||
7 | * it under the terms of the GNU General Public License as published by * | ||
8 | * the Free Software Foundation; either version 2 of the License, or * | ||
9 | * (at your option) any later version. * | ||
10 | * * | ||
11 | * This program 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 * | ||
14 | * GNU General Public License for more details. * | ||
15 | * * | ||
16 | * You should have received a copy of the GNU General Public License * | ||
17 | * along with this program; if not, write to the Free Software * | ||
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * | ||
19 | ***************************************************************************/ | ||
20 | |||
21 | #ifndef _W9968CF_DECODER_H_ | ||
22 | #define _W9968CF_DECODER_H_ | ||
23 | |||
24 | /* Comment/uncomment this for high/low quality of compressed video */ | ||
25 | #define W9968CF_DEC_FAST_LOWQUALITY_VIDEO | ||
26 | |||
27 | #ifdef W9968CF_DEC_FAST_LOWQUALITY_VIDEO | ||
28 | static const unsigned char Y_QUANTABLE[64] = { | ||
29 | 16, 11, 10, 16, 24, 40, 51, 61, | ||
30 | 12, 12, 14, 19, 26, 58, 60, 55, | ||
31 | 14, 13, 16, 24, 40, 57, 69, 56, | ||
32 | 14, 17, 22, 29, 51, 87, 80, 62, | ||
33 | 18, 22, 37, 56, 68, 109, 103, 77, | ||
34 | 24, 35, 55, 64, 81, 104, 113, 92, | ||
35 | 49, 64, 78, 87, 103, 121, 120, 101, | ||
36 | 72, 92, 95, 98, 112, 100, 103, 99 | ||
37 | }; | ||
38 | |||
39 | static const unsigned char UV_QUANTABLE[64] = { | ||
40 | 17, 18, 24, 47, 99, 99, 99, 99, | ||
41 | 18, 21, 26, 66, 99, 99, 99, 99, | ||
42 | 24, 26, 56, 99, 99, 99, 99, 99, | ||
43 | 47, 66, 99, 99, 99, 99, 99, 99, | ||
44 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
45 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
46 | 99, 99, 99, 99, 99, 99, 99, 99, | ||
47 | 99, 99, 99, 99, 99, 99, 99, 99 | ||
48 | }; | ||
49 | #else | ||
50 | static const unsigned char Y_QUANTABLE[64] = { | ||
51 | 8, 5, 5, 8, 12, 20, 25, 30, | ||
52 | 6, 6, 7, 9, 13, 29, 30, 27, | ||
53 | 7, 6, 8, 12, 20, 28, 34, 28, | ||
54 | 7, 8, 11, 14, 25, 43, 40, 31, | ||
55 | 9, 11, 18, 28, 34, 54, 51, 38, | ||
56 | 12, 17, 27, 32, 40, 52, 56, 46, | ||
57 | 24, 32, 39, 43, 51, 60, 60, 50, | ||
58 | 36, 46, 47, 49, 56, 50, 51, 49 | ||
59 | }; | ||
60 | |||
61 | static const unsigned char UV_QUANTABLE[64] = { | ||
62 | 8, 9, 12, 23, 49, 49, 49, 49, | ||
63 | 9, 10, 13, 33, 49, 49, 49, 49, | ||
64 | 12, 13, 28, 49, 49, 49, 49, 49, | ||
65 | 23, 33, 49, 49, 49, 49, 49, 49, | ||
66 | 49, 49, 49, 49, 49, 49, 49, 49, | ||
67 | 49, 49, 49, 49, 49, 49, 49, 49, | ||
68 | 49, 49, 49, 49, 49, 49, 49, 49, | ||
69 | 49, 49, 49, 49, 49, 49, 49, 49 | ||
70 | }; | ||
71 | #endif | ||
72 | |||
73 | #define W9968CF_DEC_ERR_CORRUPTED_DATA -1 | ||
74 | #define W9968CF_DEC_ERR_BUF_OVERFLOW -2 | ||
75 | #define W9968CF_DEC_ERR_NO_SOI -3 | ||
76 | #define W9968CF_DEC_ERR_NO_SOF0 -4 | ||
77 | #define W9968CF_DEC_ERR_NO_SOS -5 | ||
78 | #define W9968CF_DEC_ERR_NO_EOI -6 | ||
79 | |||
80 | extern void w9968cf_init_decoder(void); | ||
81 | extern int w9968cf_check_headers(const unsigned char* Pin, | ||
82 | const unsigned long BUF_SIZE); | ||
83 | extern int w9968cf_decode(const char* Pin, const unsigned long BUF_SIZE, | ||
84 | const unsigned W, const unsigned H, char* Pout); | ||
85 | |||
86 | #endif /* _W9968CF_DECODER_H_ */ | ||