diff options
Diffstat (limited to 'libopenjpeg/raw.c')
| -rw-r--r-- | libopenjpeg/raw.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libopenjpeg/raw.c b/libopenjpeg/raw.c deleted file mode 100644 index 180a1dec..00000000 --- a/libopenjpeg/raw.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 2002-2003, Antonin Descampe - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "raw.h" - - -unsigned char raw_c; /* temporary buffer where bits are coded or decoded */ -unsigned int raw_ct; /* number of bits already read or free to write */ -unsigned int raw_lenmax; /* maximum length to decode */ -unsigned int raw_len; /* length decoded */ -unsigned char *raw_bp; /* pointer to the current position in the buffer */ -unsigned char *raw_start; /* pointer to the start of the buffer */ -unsigned char *raw_end; /* pointer to the end of the buffer */ - -/* - * Return the number of bytes already encoded. - */ -int raw_numbytes() -{ - return raw_bp - raw_start; -} - -/* - * Initialize raw-decoder. - * - * bp : pointer to the start of the buffer from which the bytes will be read - * len : length of the input buffer - */ -void raw_init_dec(unsigned char *bp, int len) -{ - raw_start = bp; - raw_lenmax = len; - raw_len = 0; - raw_c = 0; - raw_ct = 0; -} - -/* - * Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN - */ -int raw_decode() -{ - int d; - if (raw_ct == 0) { - raw_ct = 8; - if (raw_len == raw_lenmax) - raw_c = 0xff; - else { - if (raw_c == 0xff) - raw_ct = 7; - raw_c = *(raw_start + raw_len); - raw_len++; - } - } - raw_ct--; - d = (raw_c >> raw_ct) & 0x01; - return d; -} |
