Initial revision

jpwl/decoder/libopenjpeg/jp2.h

@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2003, Yannick Verschueren
+ * Copyright (c) 2003,  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.
+ */
+#ifndef __JP2_H
+#define __JP2_H
+
+#include "j2k.h"
+
+typedef struct {
+  int depth;		  
+  int sgnd;		   
+  int bpcc;
+} jp2_comps_t;
+
+typedef struct {
+  unsigned int w;
+  unsigned int h;
+  unsigned int numcomps;
+  unsigned int bpc;
+  unsigned int C;
+  unsigned int UnkC;
+  unsigned int IPR;
+  unsigned int meth;
+  unsigned int approx;
+  unsigned int enumcs;
+  unsigned int precedence;
+  unsigned int brand;
+  unsigned int minversion;
+  unsigned int numcl;
+  unsigned int *cl;
+  jp2_comps_t *comps;
+  j2k_image_t *image;
+} jp2_struct_t;
+
+typedef struct {
+  int length;
+  int type;
+  int init_pos;
+} jp2_box_t;
+
+/* int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img); 
+ *
+ * Create a standard jp2_structure
+ * jp2_struct: the structure you are creating
+ * img: a j2k_image_t wich will help you to create the jp2_structure
+ */
+int jp2_init_stdjp2(jp2_struct_t * jp2_struct, j2k_image_t * img);
+
+/* int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer,
+ *		   char *index);
+ *
+ * Write the jp2c codestream box 
+ * img: the j2k_image that will be compressed
+ * jp2_buffer: the buffer that will recieve the compressed data
+ * index: the name of the index file 
+ */
+int jp2_write_jp2c(j2k_image_t * img, j2k_cp_t * cp, char *jp2_buffer,
+		   char *index);
+
+
+/* int jp2_write_jp2h(jp2_struct_t * jp2_struct);
+ *
+ * Write the jp2h header box 
+ * jp2_struct: the jp2 structure you are working with
+ */
+void jp2_write_jp2h(jp2_struct_t * jp2_struct);
+
+/* int jp2_read_jp2h(jp2_struct_t * jp2_struct);
+ *
+ * Read the jp2h header box 
+ * jp2_struct: the jp2 structure you are working with
+ */
+int jp2_read_jp2h(jp2_struct_t * jp2_struct);
+
+/* int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output,
+ *       char *index);
+ *
+ * Encode a JP2 file
+ * jp2_buffer: the buffer containing the pointer to the image to encode
+ * cp: coding parameters of the image
+ * outbuf: pointer to memory where compressed data will be written
+ * index: the name of the index file 
+ */
+int jp2_encode(jp2_struct_t * jp2_struct, j2k_cp_t * cp, char *output,
+	       char *index);
+
+/* int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct,
+ *	       j2k_cp_t * cp);
+ *
+ * Decode a JP2 file
+ * src: pointer to memory where compressed data is stored
+ * len: length of src buffer
+ * jp2_struct: the jp2 structure that will be created 
+ * cp: coding parameters of the image
+ */
+int jp2_decode(unsigned char *src, int len, jp2_struct_t * jp2_struct,
+	       j2k_cp_t * cp);
+
+#endif