initial commit of OpenJPIP 1.0, a JPIP client-server architecture based on OpenJPEG (see README file in jpip directory for more details)

applications/jpip/libopenjpip/codestream_manager.c

@@ -0,0 +1,80 @@
+/*
+ * $Id: codestream_manager.c 44 2011-02-15 12:32:29Z kaori $
+ *
+ * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2011, Professor Benoit Macq
+ * Copyright (c) 2010-2011, Kaori Hagihara
+ * 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 <stdio.h>
+#include "codestream_manager.h"
+
+#ifdef SERVER
+#include "fcgi_stdio.h"
+#define logstream FCGI_stdout
+#else
+#define FCGI_stdout stdout
+#define FCGI_stderr stderr
+#define logstream stderr
+#endif //SERVER
+
+codestream_param_t set_codestream( int fd, Byte8_t offset, Byte8_t length)
+{
+  codestream_param_t cs;
+
+  cs.fd = fd;
+  cs.offset = offset;
+  cs.length = length;
+
+  return cs;
+}
+
+Byte_t * fetch_codestreambytes( codestream_param_t *cs, long offset, int size)
+{
+  return fetch_bytes( cs->fd, cs->offset+offset, size);
+}
+
+Byte_t fetch_codestream1byte( codestream_param_t *cs, long offset)
+{
+  return fetch_1byte( cs->fd, cs->offset+offset);
+}
+
+Byte2_t fetch_codestream2bytebigendian( codestream_param_t *cs, long offset)
+{
+  return fetch_2bytebigendian( cs->fd, cs->offset+offset);
+}
+
+Byte4_t fetch_codestream4bytebigendian( codestream_param_t *cs, long offset)
+{
+  return fetch_4bytebigendian( cs->fd, cs->offset+offset);
+}
+
+void print_codestream( codestream_param_t cs)
+{
+  fprintf( logstream, "codestream info:\n"
+	   "\t fd: %d\n"
+	   "\t offset: %#llx\n"
+	   "\t length: %#llx\n", cs.fd, cs.offset, cs.length);
+}