/*************************************************************************** * 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_ */