00001 /******************************************************************************* 00002 # luvcview: Sdl video Usb Video Class grabber . # 00003 #This package work with the Logitech UVC based webcams with the mjpeg feature. # 00004 #All the decoding is in user space with the embedded jpeg decoder # 00005 #. # 00006 # Copyright (C) 2005 2006Laurent Pinchart && Michel Xhaard # 00007 # # 00008 # This program is free software; you can redistribute it and/or modify # 00009 # it under the terms of the GNU General Public License as published by # 00010 # the Free Software Foundation; either version 2 of the License, or # 00011 # (at your option) any later version. # 00012 # # 00013 # This program is distributed in the hope that it will be useful, # 00014 # but WITHOUT ANY WARRANTY; without even the implied warranty of # 00015 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # 00016 # GNU General Public License for more details. # 00017 # # 00018 # You should have received a copy of the GNU General Public License # 00019 # along with this program; if not, write to the Free Software # 00020 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # 00021 # # 00022 *******************************************************************************/ 00023 00024 #define ERR_NO_SOI 1 00025 #define ERR_NOT_8BIT 2 00026 #define ERR_HEIGHT_MISMATCH 3 00027 #define ERR_WIDTH_MISMATCH 4 00028 #define ERR_BAD_WIDTH_OR_HEIGHT 5 00029 #define ERR_TOO_MANY_COMPPS 6 00030 #define ERR_ILLEGAL_HV 7 00031 #define ERR_QUANT_TABLE_SELECTOR 8 00032 #define ERR_NOT_YCBCR_221111 9 00033 #define ERR_UNKNOWN_CID_IN_SCAN 10 00034 #define ERR_NOT_SEQUENTIAL_DCT 11 00035 #define ERR_WRONG_MARKER 12 00036 #define ERR_NO_EOI 13 00037 #define ERR_BAD_TABLES 14 00038 #define ERR_DEPTH_MISMATCH 15 00039 00040 int jpeg_decode(unsigned char **pic, unsigned char *buf, int *width, 00041 int *height); 00042 int 00043 get_picture(unsigned char *buf,int size); 00044 int 00045 get_pictureYV2(unsigned char *buf,int width,int height);