diff options
| author | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2013-01-02 18:19:56 +0000 |
|---|---|---|
| committer | Mathieu Malaterre <mathieu.malaterre@gmail.com> | 2013-01-02 18:19:56 +0000 |
| commit | caaec3bb05b3ecaa4cf6bc8b59b7abd401faa42c (patch) | |
| tree | e4b284d41e0d68e7aca58ad6bce301cd261c84b1 /src/lib/openjp3d/cio.c | |
| parent | df47fae2872d726e7d8ca7b2ef4df0fbcc25cffc (diff) | |
[trunk] JP3D: convert from DOS to UNIX eol
Diffstat (limited to 'src/lib/openjp3d/cio.c')
| -rw-r--r-- | src/lib/openjp3d/cio.c | 434 |
1 files changed, 217 insertions, 217 deletions
diff --git a/src/lib/openjp3d/cio.c b/src/lib/openjp3d/cio.c index 4e99c847..10bd2af3 100644 --- a/src/lib/openjp3d/cio.c +++ b/src/lib/openjp3d/cio.c @@ -1,217 +1,217 @@ -/*
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
- * 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 "opj_includes.h"
-
-/* ----------------------------------------------------------------------- */
-
-opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length) {
- opj_cp_t *cp = NULL;
- opj_cio_t *cio = (opj_cio_t*)opj_malloc(sizeof(opj_cio_t));
- if(!cio) return NULL;
- cio->cinfo = cinfo;
- if(buffer && length) {
- /* wrap a user buffer containing the encoded image */
- cio->openmode = OPJ_STREAM_READ;
- cio->buffer = buffer;
- cio->length = length;
- }
- else if(!buffer && !length && cinfo) {
- /* allocate a buffer for the encoded image */
- cio->openmode = OPJ_STREAM_WRITE;
- switch(cinfo->codec_format) {
- case CODEC_J3D:
- case CODEC_J2K:
- cp = ((opj_j3d_t*)cinfo->j3d_handle)->cp;
- break;
- default:
- opj_free(cio);
- return NULL;
- }
- cio->length = cp->tdx * cp->tdy * cp->tdz * cp->tw * cp->th * cp->tl * 4;
- cio->buffer = (unsigned char *)opj_malloc(cio->length);
- if(!cio->buffer) {
- opj_free(cio);
- return NULL;
- }
- }
- else {
- opj_free(cio);
- return NULL;
- }
-
- /* Initialize byte IO */
- cio->start = cio->buffer;
- cio->end = cio->buffer + cio->length;
- cio->bp = cio->buffer;
-
- return cio;
-}
-
-void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) {
- if(cio) {
- if(cio->openmode == OPJ_STREAM_WRITE) {
- /* destroy the allocated buffer */
- opj_free(cio->buffer);
- }
- /* destroy the cio */
- opj_free(cio);
- }
-}
-
-
-/* ----------------------------------------------------------------------- */
-
-/*
- * Get position in byte stream.
- */
-int OPJ_CALLCONV cio_tell(opj_cio_t *cio) {
- return cio->bp - cio->start;
-}
-
-/*
- * Set position in byte stream.
- *
- * pos : position, in number of bytes, from the beginning of the stream
- */
-void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos) {
- cio->bp = cio->start + pos;
-}
-
-/*
- * Number of bytes left before the end of the stream.
- */
-int cio_numbytesleft(opj_cio_t *cio) {
- return cio->end - cio->bp;
-}
-
-/*
- * Get pointer to the current position in the stream.
- */
-unsigned char *cio_getbp(opj_cio_t *cio) {
- return cio->bp;
-}
-
-/*
- * Write a byte.
- */
-static bool cio_byteout(opj_cio_t *cio, unsigned char v) {
- if (cio->bp >= cio->end) {
- opj_event_msg(cio->cinfo, EVT_ERROR, "write error\n");
- return false;
- }
- *cio->bp++ = v;
- return true;
-}
-
-/*
- * Read a byte.
- */
-static unsigned char cio_bytein(opj_cio_t *cio) {
- if (cio->bp >= cio->end) {
- opj_event_msg(cio->cinfo, EVT_ERROR, "read error\n");
- return 0;
- }
- return *cio->bp++;
-}
-
-/*
- * Write some bytes.
- *
- * v : value to write
- * n : number of bytes to write
- */
-unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n) {
- int i;
- for (i = n - 1; i >= 0; i--) {
- if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )
- return 0;
- }
- return n;
-}
-
-/*
- * Read some bytes.
- *
- * n : number of bytes to read
- *
- * return : value of the n bytes read
- */
-unsigned int cio_read(opj_cio_t *cio, int n) {
- int i;
- unsigned int v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += cio_bytein(cio) << (i << 3);
- }
- return v;
-}
-
-/*
- * Skip some bytes.
- *
- * n : number of bytes to skip
- */
-void cio_skip(opj_cio_t *cio, int n) {
- cio->bp += n;
-}
-
-/*
- * Write some bytes.
- *
- * v : value to write
- * n : number of bytes to write
- */
-int cio_write_int(opj_cio_t *cio, int v, int n) {
- int i;
- for (i = n - 1; i >= 0; i--) {
- if( !cio_byteout(cio, (char) ((v >> (i << 3)) & 0xff)) )
- return 0;
- }
- return n;
-}
-
-/*
- * Read some bytes.
- *
- * n : number of bytes to read
- *
- * return : value of the n bytes read
- */
-int cio_read_int(opj_cio_t *cio, int n) {
- int i;
- int v;
- v = 0;
- for (i = n - 1; i >= 0; i--) {
- v += cio_bytein(cio) << (i << 3);
- }
- return v;
-}
-
+/* + * Copyright (c) 2001-2003, David Janssens + * Copyright (c) 2002-2003, Yannick Verschueren + * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage Team + * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium + * 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 "opj_includes.h" + +/* ----------------------------------------------------------------------- */ + +opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer, int length) { + opj_cp_t *cp = NULL; + opj_cio_t *cio = (opj_cio_t*)opj_malloc(sizeof(opj_cio_t)); + if(!cio) return NULL; + cio->cinfo = cinfo; + if(buffer && length) { + /* wrap a user buffer containing the encoded image */ + cio->openmode = OPJ_STREAM_READ; + cio->buffer = buffer; + cio->length = length; + } + else if(!buffer && !length && cinfo) { + /* allocate a buffer for the encoded image */ + cio->openmode = OPJ_STREAM_WRITE; + switch(cinfo->codec_format) { + case CODEC_J3D: + case CODEC_J2K: + cp = ((opj_j3d_t*)cinfo->j3d_handle)->cp; + break; + default: + opj_free(cio); + return NULL; + } + cio->length = cp->tdx * cp->tdy * cp->tdz * cp->tw * cp->th * cp->tl * 4; + cio->buffer = (unsigned char *)opj_malloc(cio->length); + if(!cio->buffer) { + opj_free(cio); + return NULL; + } + } + else { + opj_free(cio); + return NULL; + } + + /* Initialize byte IO */ + cio->start = cio->buffer; + cio->end = cio->buffer + cio->length; + cio->bp = cio->buffer; + + return cio; +} + +void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) { + if(cio) { + if(cio->openmode == OPJ_STREAM_WRITE) { + /* destroy the allocated buffer */ + opj_free(cio->buffer); + } + /* destroy the cio */ + opj_free(cio); + } +} + + +/* ----------------------------------------------------------------------- */ + +/* + * Get position in byte stream. + */ +int OPJ_CALLCONV cio_tell(opj_cio_t *cio) { + return cio->bp - cio->start; +} + +/* + * Set position in byte stream. + * + * pos : position, in number of bytes, from the beginning of the stream + */ +void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos) { + cio->bp = cio->start + pos; +} + +/* + * Number of bytes left before the end of the stream. + */ +int cio_numbytesleft(opj_cio_t *cio) { + return cio->end - cio->bp; +} + +/* + * Get pointer to the current position in the stream. + */ +unsigned char *cio_getbp(opj_cio_t *cio) { + return cio->bp; +} + +/* + * Write a byte. + */ +static bool cio_byteout(opj_cio_t *cio, unsigned char v) { + if (cio->bp >= cio->end) { + opj_event_msg(cio->cinfo, EVT_ERROR, "write error\n"); + return false; + } + *cio->bp++ = v; + return true; +} + +/* + * Read a byte. + */ +static unsigned char cio_bytein(opj_cio_t *cio) { + if (cio->bp >= cio->end) { + opj_event_msg(cio->cinfo, EVT_ERROR, "read error\n"); + return 0; + } + return *cio->bp++; +} + +/* + * Write some bytes. + * + * v : value to write + * n : number of bytes to write + */ +unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n) { + int i; + for (i = n - 1; i >= 0; i--) { + if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) ) + return 0; + } + return n; +} + +/* + * Read some bytes. + * + * n : number of bytes to read + * + * return : value of the n bytes read + */ +unsigned int cio_read(opj_cio_t *cio, int n) { + int i; + unsigned int v; + v = 0; + for (i = n - 1; i >= 0; i--) { + v += cio_bytein(cio) << (i << 3); + } + return v; +} + +/* + * Skip some bytes. + * + * n : number of bytes to skip + */ +void cio_skip(opj_cio_t *cio, int n) { + cio->bp += n; +} + +/* + * Write some bytes. + * + * v : value to write + * n : number of bytes to write + */ +int cio_write_int(opj_cio_t *cio, int v, int n) { + int i; + for (i = n - 1; i >= 0; i--) { + if( !cio_byteout(cio, (char) ((v >> (i << 3)) & 0xff)) ) + return 0; + } + return n; +} + +/* + * Read some bytes. + * + * n : number of bytes to read + * + * return : value of the n bytes read + */ +int cio_read_int(opj_cio_t *cio, int n) { + int i; + int v; + v = 0; + for (i = n - 1; i >= 0; i--) { + v += cio_bytein(cio) << (i << 3); + } + return v; +} + |
