rename jp2_write_jp_v2 to opj_jp2_write_jp
[openjpeg.git] / libopenjpeg / jp2.c
index c2161c300aecadee5d9b1c096da34524e2067522..2c3faf614a35b6e711c25064d1940abeca854817 100644 (file)
 /** @name Local static functions */
 /*@{*/
 
-/**
-Read box headers
-@param cinfo Codec context info
-@param cio Input stream
-@param box
-@return Returns true if successful, returns false otherwise
-*/
-static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box);
+
 /*static void jp2_write_url(opj_cio_t *cio, char *Idx_file);*/
 
 /**
@@ -61,11 +54,9 @@ static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_bo
  */
 static opj_bool opj_jp2_read_ihdr(  opj_jp2_v2_t *jp2,
                                     OPJ_BYTE *p_image_header_data,
-                                    OPJ_INT32 p_image_header_size,
+                                    OPJ_UINT32 p_image_header_size,
                                     opj_event_mgr_t * p_manager );
 
-static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio);
-
 /**
  * Writes the Image Header box - Image Header box.
  *
@@ -74,10 +65,8 @@ static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio);
  * 
  * @return     the data being copied.
 */
-static unsigned char * jp2_write_ihdr_v2(      opj_jp2_v2_t *jp2, 
-                                                                                       unsigned int * p_nb_bytes_written );
-
-static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio);
+static OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_v2_t *jp2, 
+                                     OPJ_UINT32 * p_nb_bytes_written );
 
 /**
  * Writes the Bit per Component box.
@@ -87,8 +76,8 @@ static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio);
  * 
  * @return     the data being copied.
 */
-static unsigned char * jp2_write_bpcc_v2(      opj_jp2_v2_t *jp2, 
-                                                                                       unsigned int * p_nb_bytes_written );
+static OPJ_BYTE * opj_jp2_write_bpcc(  opj_jp2_v2_t *jp2, 
+                                                                       OPJ_UINT32 * p_nb_bytes_written );
 
 /**
  * Reads a Bit per Component box.
@@ -100,26 +89,15 @@ static unsigned char * jp2_write_bpcc_v2(  opj_jp2_v2_t *jp2,
  *
  * @return     true if the bpc header is valid, fale else.
  */
-static opj_bool jp2_read_bpcc_v2(
-                                                       opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_bpc_header_data,
-                                                       unsigned int p_bpc_header_size,
-                                                       struct opj_event_mgr * p_manager
-                                                 );
-
-static opj_bool jp2_read_cdef_v2(      opj_jp2_v2_t * jp2,
-                                                                       unsigned char * p_cdef_header_data,
-                                                                       OPJ_UINT32 p_cdef_header_size,
-                                                                       opj_event_mgr_t * p_manager
-                                                                       );
-
-static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio);
-/**
-Write the FTYP box - File type box
-@param jp2 JP2 handle
-@param cio Output buffer stream
-*/
+static opj_bool opj_jp2_read_bpcc(  opj_jp2_v2_t *jp2,
+                                    OPJ_BYTE * p_bpc_header_data,
+                                    OPJ_UINT32 p_bpc_header_size,
+                                    opj_event_mgr_t * p_manager );
 
+static opj_bool opj_jp2_read_cdef(     opj_jp2_v2_t * jp2,
+                                    OPJ_BYTE * p_cdef_header_data,
+                                                                       OPJ_UINT32 p_cdef_header_size,
+                                                                       opj_event_mgr_t * p_manager );
 /**
  * Writes the Colour Specification box.
  *
@@ -128,17 +106,8 @@ Write the FTYP box - File type box
  * 
  * @return     the data being copied.
 */
-static unsigned char *jp2_write_colr_v2(opj_jp2_v2_t *jp2, 
-                                                                               unsigned int * p_nb_bytes_written );
-
-static void jp2_write_ftyp(opj_jp2_t *jp2, opj_cio_t *cio);
-/**
-Read the FTYP box - File type box
-@param jp2 JP2 handle
-@param cio Input buffer stream
-@return Returns true if successful, returns false otherwise
-*/
-static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio);
+static OPJ_BYTE * opj_jp2_write_colr(   opj_jp2_v2_t *jp2, 
+                                                                           OPJ_UINT32 * p_nb_bytes_written );
 
 /**
  * Writes a FTYP box - File type box
@@ -149,9 +118,9 @@ static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio);
  * 
  * @return     true if writting was successful.
  */
-static opj_bool jp2_write_ftyp_v2(     opj_jp2_v2_t *jp2,
-                                                                       struct opj_stream_private *cio,
-                                                                       struct opj_event_mgr * p_manager );
+static opj_bool opj_jp2_write_ftyp(    opj_jp2_v2_t *jp2,
+                                                                       opj_stream_private_t *cio,
+                                                                       opj_event_mgr_t * p_manager );
 
 /**
  * Reads a a FTYP box - File type box
@@ -163,10 +132,10 @@ static opj_bool jp2_write_ftyp_v2(        opj_jp2_v2_t *jp2,
  *
  * @return true if the FTYP box is valid.
  */
-static opj_bool jp2_read_ftyp_v2(      opj_jp2_v2_t *jp2,
-                                                                       unsigned char * p_header_data,
+static opj_bool opj_jp2_read_ftyp(     opj_jp2_v2_t *jp2,
+                                                                       OPJ_BYTE * p_header_data,
                                                                        OPJ_UINT32 p_header_size,
-                                                                       struct opj_event_mgr * p_manager );
+                                                                       opj_event_mgr_t * p_manager );
 
 /**
  * Skips the Jpeg2000 Codestream Header box - JP2C Header box.
@@ -177,9 +146,9 @@ static opj_bool jp2_read_ftyp_v2(   opj_jp2_v2_t *jp2,
  *
  * @return true if writting was successful.
 */
-opj_bool jp2_skip_jp2c(        opj_jp2_v2_t *jp2,
-                                               struct opj_stream_private *cio,
-                                               struct opj_event_mgr * p_manager );
+opj_bool opj_jp2_skip_jp2c(    opj_jp2_v2_t *jp2,
+                                                   opj_stream_private_t *cio,
+                                                   opj_event_mgr_t * p_manager );
 
 /**
  * Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
@@ -196,9 +165,6 @@ static opj_bool opj_jp2_read_jp2h(  opj_jp2_v2_t *jp2,
                                     OPJ_UINT32 p_header_size,
                                     opj_event_mgr_t * p_manager );
 
-static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
-
-
 /**
  * Writes the Jpeg2000 codestream Header box - JP2C Header box. This function must be called AFTER the coding has been done.
  *
@@ -208,19 +174,9 @@ static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, op
  *
  * @return true if writting was successful.
 */
-static opj_bool jp2_write_jp2c_v2(     opj_jp2_v2_t *jp2,
-                                                               struct opj_stream_private *cio,
-                                                               struct opj_event_mgr * p_manager );
-
-static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset);
-static void jp2_write_jp(opj_cio_t *cio);
-/**
-Read the JP box - JPEG 2000 signature
-@param jp2 JP2 handle
-@param cio Input buffer stream
-@return Returns true if successful, returns false otherwise
-*/
-static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio);
+static opj_bool opj_jp2_write_jp2c(    opj_jp2_v2_t *jp2,
+                                                                   opj_stream_private_t *cio,
+                                                                   opj_event_mgr_t * p_manager );
 
 /**
  * Reads a jpeg2000 file signature box.
@@ -232,22 +188,24 @@ static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio);
  *
  * @return true if the file signature box is valid.
  */
-static opj_bool jp2_read_jp_v2(
-                                       opj_jp2_v2_t *jp2,
-                                       unsigned char * p_header_data,
-                                       unsigned int p_header_size,
-                                       struct opj_event_mgr * p_manager
-                                );
+static opj_bool opj_jp2_read_jp(opj_jp2_v2_t *jp2,
+                                OPJ_BYTE * p_header_data,
+                                OPJ_UINT32 p_header_size,
+                                opj_event_mgr_t * p_manager);
 
 /**
-Decode the structure of a JP2 file
-@param jp2 JP2 handle
-@param cio Input buffer stream
-@param color Collector for profile, cdef and pclr data
-@return Returns true if successful, returns false otherwise
-*/
-static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_color_t *color);
+ * Writes a jpeg2000 file signature box.
+ *
+ * @param cio the stream to write data to.
+ * @param      jp2                     the jpeg2000 file codec.
+ * @param p_manager the user event manager.
+ * 
+ * @return true if writting was successful.
+ */
+static opj_bool opj_jp2_write_jp(      opj_jp2_v2_t *jp2,
+                                                   opj_stream_private_t *cio,
+                                                       opj_event_mgr_t * p_manager );
+
 /**
 Apply collected palette data
 @param color Collector for profile, cdef and pclr data
@@ -262,14 +220,10 @@ Collect palette data
 @param color Collector for profile, cdef and pclr data
 @return Returns true if successful, returns false otherwise
 */
-static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
-    opj_jp2_box_t *box, opj_jp2_color_t *color);
-
-static opj_bool jp2_read_pclr_v2(      opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_pclr_header_data,
-                                                       OPJ_UINT32 p_pclr_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 );
+static opj_bool opj_jp2_read_pclr(     opj_jp2_v2_t *jp2,
+                                    OPJ_BYTE * p_pclr_header_data,
+                                    OPJ_UINT32 p_pclr_header_size,
+                                    opj_event_mgr_t * p_manager );
 
 /**
 Collect component mapping data
@@ -279,26 +233,11 @@ Collect component mapping data
 @param color Collector for profile, cdef and pclr data
 @return Returns true if successful, returns false otherwise
 */
-static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
-    opj_jp2_box_t *box, opj_jp2_color_t *color);
 
-
-static opj_bool jp2_read_cmap_v2(      opj_jp2_v2_t * jp2,
-                                                       unsigned char * p_cmap_header_data,
-                                                       OPJ_UINT32 p_cmap_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 );
-
-/**
-Collect colour specification data
-@param jp2 JP2 handle
-@param cio Input buffer stream
-@param box
-@param color Collector for profile, cdef and pclr data
-@return Returns true if successful, returns false otherwise
-*/
-static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
-    opj_jp2_box_t *box, opj_jp2_color_t *color);
+static opj_bool opj_jp2_read_cmap(     opj_jp2_v2_t * jp2,
+                                    OPJ_BYTE * p_cmap_header_data,
+                                    OPJ_UINT32 p_cmap_header_size,
+                                    opj_event_mgr_t * p_manager );
 
 /**
  * Reads the Color Specification box.
@@ -310,12 +249,10 @@ static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
  *
  * @return     true if the bpc header is valid, fale else.
 */
-static opj_bool jp2_read_colr_v2(
-                                                       opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_colr_header_data,
-                                                       OPJ_UINT32 p_colr_header_size,
-                                                       struct opj_event_mgr * p_manager
-                                                 );
+static opj_bool opj_jp2_read_colr(  opj_jp2_v2_t *jp2,
+                                    OPJ_BYTE * p_colr_header_data,
+                                    OPJ_UINT32 p_colr_header_size,
+                                    opj_event_mgr_t * p_manager );
 
 /**
 Write file Index (superbox)
@@ -352,14 +289,14 @@ static void write_prxy( int offset_jp2c, int length_jp2c, int offset_idx, int le
  * Sets up the procedures to do on writting header after the codestream.
  * Developpers wanting to extend the library can add their own writting procedures.
  */
-static void jp2_setup_end_header_writting (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_end_header_writting (opj_jp2_v2_t *jp2);
 
 
 /**
  * Sets up the procedures to do on reading header after the codestream.
  * Developpers wanting to extend the library can add their own writting procedures.
  */
-static void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_end_header_reading (opj_jp2_v2_t *jp2);
 
 /**
  * Reads a jpeg2000 file header structure.
@@ -370,28 +307,24 @@ static void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2);
  *
  * @return true if the box is valid.
  */
-opj_bool jp2_read_header_procedure(
-                                                               opj_jp2_v2_t *jp2,
-                                                               struct opj_stream_private *cio,
-                                                               struct opj_event_mgr * p_manager
-                                                       );
+static opj_bool opj_jp2_read_header_procedure(  opj_jp2_v2_t *jp2,
+                                                opj_stream_private_t *stream,
+                                                opj_event_mgr_t * p_manager );
 
 /**
  * Excutes the given procedures on the given codec.
  *
  * @param      p_procedure_list        the list of procedures to execute
  * @param      jp2                                     the jpeg2000 file codec to execute the procedures on.
- * @param      cio                                     the stream to execute the procedures on.
+ * @param      stream                                  the stream to execute the procedures on.
  * @param      p_manager                       the user manager.
  *
  * @return     true                            if all the procedures were successfully executed.
  */
-static opj_bool jp2_exec (
-                                       opj_jp2_v2_t * jp2,
-                                       struct opj_procedure_list * p_procedure_list,
-                                       struct opj_stream_private *cio,
-                                       struct opj_event_mgr * p_manager
-                                 );
+static opj_bool opj_jp2_exec (  opj_jp2_v2_t * jp2,
+                                opj_procedure_list_t * p_procedure_list,
+                                opj_stream_private_t *stream,
+                                opj_event_mgr_t * p_manager );
 
 /**
  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
@@ -403,33 +336,22 @@ static opj_bool jp2_exec (
  *
  * @return     true if the box is reconized, false otherwise
 */
-static opj_bool jp2_read_boxhdr_v2(
-                                                               opj_jp2_box_t *box,
-                                                               OPJ_UINT32 * p_number_bytes_read,
-                                                               struct opj_stream_private *cio,
-                                                               struct opj_event_mgr * p_manager
-                                                       );
-
-/**
- * Finds the execution function related to the given box id.
- *
- * @param      p_id    the id of the handler to fetch.
- *
- * @return     the given handler or NULL if it could not be found.
- */
-static const opj_jp2_header_handler_t * jp2_find_handler (int p_id );
+static opj_bool opj_jp2_read_boxhdr(opj_jp2_box_t *box,
+                                    OPJ_UINT32 * p_number_bytes_read,
+                                    opj_stream_private_t *cio,
+                                    opj_event_mgr_t * p_manager);
 
 /**
  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
  * are valid. Developpers wanting to extend the library can add their own validation procedures.
  */
-static void jp2_setup_encoding_validation (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_encoding_validation (opj_jp2_v2_t *jp2);
 
 
 /**
  * Sets up the procedures to do on writting header. Developpers wanting to extend the library can add their own writting procedures.
  */
-static void jp2_setup_header_writting (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_header_writting (opj_jp2_v2_t *jp2);
 
 /**
  * The default validation procedure without any extension.
@@ -440,9 +362,9 @@ static void jp2_setup_header_writting (opj_jp2_v2_t *jp2);
  *
  * @return true if the parameters are correct.
  */
-opj_bool jp2_default_validation (      opj_jp2_v2_t * jp2,
-                                                                       struct opj_stream_private *cio,
-                                                                       struct opj_event_mgr * p_manager );
+opj_bool opj_jp2_default_validation (  opj_jp2_v2_t * jp2,
+                                        opj_stream_private_t *cio,
+                                        opj_event_mgr_t * p_manager );
 
 /**
  * Finds the image execution function related to the given box id.
@@ -451,23 +373,32 @@ opj_bool jp2_default_validation ( opj_jp2_v2_t * jp2,
  *
  * @return     the given handler or NULL if it could not be found.
  */
-static const opj_jp2_header_handler_t * jp2_img_find_handler (int p_id);
+static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id);
+
+/**
+ * Finds the execution function related to the given box id.
+ *
+ * @param      p_id    the id of the handler to fetch.
+ *
+ * @return     the given handler or NULL if it could not be found.
+ */
+static const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id );
 
 const opj_jp2_header_handler_t jp2_header [] =
 {
-       {JP2_JP,jp2_read_jp_v2},
-       {JP2_FTYP,jp2_read_ftyp_v2},
+       {JP2_JP,opj_jp2_read_jp},
+       {JP2_FTYP,opj_jp2_read_ftyp},
        {JP2_JP2H,opj_jp2_read_jp2h}
 };
 
 const opj_jp2_header_handler_t jp2_img_header [] =
 {
        {JP2_IHDR,opj_jp2_read_ihdr},
-       {JP2_COLR,jp2_read_colr_v2},
-       {JP2_BPCC,jp2_read_bpcc_v2},
-       {JP2_PCLR,jp2_read_pclr_v2},
-       {JP2_CMAP,jp2_read_cmap_v2},
-       {JP2_CDEF,jp2_read_cdef_v2}
+       {JP2_COLR,opj_jp2_read_colr},
+       {JP2_BPCC,opj_jp2_read_bpcc},
+       {JP2_PCLR,opj_jp2_read_pclr},
+       {JP2_CMAP,opj_jp2_read_cmap},
+       {JP2_CDEF,opj_jp2_read_cdef}
 
 };
 
@@ -481,50 +412,28 @@ const opj_jp2_header_handler_t jp2_img_header [] =
  *
  * @return     true if the box is reconized, false otherwise
 */
-static opj_bool jp2_read_boxhdr_char(
-                                                               opj_jp2_box_t *box,
-                                                               OPJ_BYTE * p_data,
-                                                               OPJ_UINT32 * p_number_bytes_read,
-                                                               OPJ_UINT32 p_box_max_size,
-                                                               struct opj_event_mgr * p_manager
-                                                       );
+static opj_bool opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
+                                            OPJ_BYTE * p_data,
+                                            OPJ_UINT32 * p_number_bytes_read,
+                                            OPJ_UINT32 p_box_max_size,
+                                            opj_event_mgr_t * p_manager );
 
 /**
  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
  * are valid. Developpers wanting to extend the library can add their own validation procedures.
  */
-static void jp2_setup_decoding_validation (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_decoding_validation (opj_jp2_v2_t *jp2);
 
 /**
  * Sets up the procedures to do on reading header.
  * Developpers wanting to extend the library can add their own writting procedures.
  */
-static void jp2_setup_header_reading (opj_jp2_v2_t *jp2);
+static void opj_jp2_setup_header_reading (opj_jp2_v2_t *jp2);
 
 
 
 /* ----------------------------------------------------------------------- */
 
-static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_box_t *box) {
-       box->init_pos = cio_tell(cio);
-       box->length = cio_read(cio, 4);
-       box->type = cio_read(cio, 4);
-       if (box->length == 1) {
-               if (cio_read(cio, 4) != 0) {
-                       opj_event_msg(cinfo, EVT_ERROR, "Cannot handle box sizes higher than 2^32\n");
-                       return OPJ_FALSE;
-               }
-               box->length = cio_read(cio, 4);
-               if (box->length == 0) 
-                       box->length = cio_numbytesleft(cio) + 12;
-       }
-       else if (box->length == 0) {
-               box->length = cio_numbytesleft(cio) + 8;
-       }
-       
-       return OPJ_TRUE;
-}
-
 /**
  * Reads a box header. The box is the way data is packed inside a jpeg2000 file structure.
  *
@@ -535,7 +444,11 @@ static opj_bool jp2_read_boxhdr(opj_common_ptr cinfo, opj_cio_t *cio, opj_jp2_bo
  *
  * @return     true if the box is reconized, false otherwise
 */
-opj_bool jp2_read_boxhdr_v2(opj_jp2_box_t *box, OPJ_UINT32 * p_number_bytes_read, opj_stream_private_t *cio, opj_event_mgr_t * p_manager)
+ opj_bool opj_jp2_read_boxhdr(opj_jp2_box_t *box,
+                                    OPJ_UINT32 * p_number_bytes_read,
+                                    opj_stream_private_t *cio,
+                                    opj_event_mgr_t * p_manager
+                                    )
 {
        /* read header from file */
        unsigned char l_data_header [8];
@@ -616,7 +529,7 @@ static void jp2_write_url(opj_cio_t *cio, char *Idx_file) {
  */
 opj_bool opj_jp2_read_ihdr( opj_jp2_v2_t *jp2,
                             OPJ_BYTE *p_image_header_data,
-                            OPJ_INT32 p_image_header_size,
+                            OPJ_UINT32 p_image_header_size,
                             opj_event_mgr_t * p_manager )
 {
        /* preconditions */
@@ -668,29 +581,6 @@ opj_bool opj_jp2_read_ihdr( opj_jp2_v2_t *jp2,
        return OPJ_TRUE;
 }
 
-static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) {
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_IHDR, 4);            /* IHDR */
-
-       cio_write(cio, jp2->h, 4);                      /* HEIGHT */
-       cio_write(cio, jp2->w, 4);                      /* WIDTH */
-       cio_write(cio, jp2->numcomps, 2);       /* NC */
-
-       cio_write(cio, jp2->bpc, 1);            /* BPC */
-
-       cio_write(cio, jp2->C, 1);                      /* C : Always 7 */
-       cio_write(cio, jp2->UnkC, 1);           /* UnkC, colorspace unknown */
-       cio_write(cio, jp2->IPR, 1);            /* IPR, no intellectual property */
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
 /**
  * Writes the Image Header box - Image Header box.
  *
@@ -699,8 +589,9 @@ static void jp2_write_ihdr(opj_jp2_t *jp2, opj_cio_t *cio) {
  * 
  * @return     the data being copied.
 */
-static unsigned char * jp2_write_ihdr_v2(      opj_jp2_v2_t *jp2, 
-                                                                                       unsigned int * p_nb_bytes_written )
+OPJ_BYTE * opj_jp2_write_ihdr(opj_jp2_v2_t *jp2, 
+                              OPJ_UINT32 * p_nb_bytes_written 
+                              )
 {
        unsigned char * l_ihdr_data,* l_current_ihdr_ptr;
        
@@ -749,25 +640,6 @@ static unsigned char * jp2_write_ihdr_v2(  opj_jp2_v2_t *jp2,
        return l_ihdr_data;
 }
 
-static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) {
-       unsigned int i;
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_BPCC, 4);    /* BPCC */
-
-       for (i = 0; i < jp2->numcomps; i++) {
-               cio_write(cio, jp2->comps[i].bpcc, 1);
-       }
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
-
 /**
  * Writes the Bit per Component box.
  *
@@ -776,8 +648,9 @@ static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) {
  * 
  * @return     the data being copied.
 */
-unsigned char * jp2_write_bpcc_v2(     opj_jp2_v2_t *jp2, 
-                                                                       unsigned int * p_nb_bytes_written )
+OPJ_BYTE * opj_jp2_write_bpcc( opj_jp2_v2_t *jp2, 
+                                                       OPJ_UINT32 * p_nb_bytes_written 
+                                )
 {
        unsigned int i;
        /* room for 8 bytes for box and 1 byte for each component */
@@ -823,11 +696,11 @@ unsigned char * jp2_write_bpcc_v2(        opj_jp2_v2_t *jp2,
  *
  * @return     true if the bpc header is valid, false otherwise.
  */
-opj_bool jp2_read_bpcc_v2(     opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_bpc_header_data,
-                                                       unsigned int p_bpc_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 )
+opj_bool opj_jp2_read_bpcc( opj_jp2_v2_t *jp2,
+                            OPJ_BYTE * p_bpc_header_data,
+                            OPJ_UINT32 p_bpc_header_size,
+                            opj_event_mgr_t * p_manager 
+                            )
 {
        OPJ_UINT32 i;
 
@@ -856,28 +729,6 @@ opj_bool jp2_read_bpcc_v2( opj_jp2_v2_t *jp2,
        return OPJ_TRUE;
 }
 
-static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio) {
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_COLR, 4);            /* COLR */
-
-       cio_write(cio, jp2->meth, 1);           /* METH */
-       cio_write(cio, jp2->precedence, 1);     /* PRECEDENCE */
-       cio_write(cio, jp2->approx, 1);         /* APPROX */
-
-       if(jp2->meth == 2)
-        jp2->enumcs = 0;
-
-       cio_write(cio, jp2->enumcs, 4); /* EnumCS */
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
 /**
  * Writes the Colour Specification box.
  *
@@ -886,8 +737,9 @@ static void jp2_write_colr(opj_jp2_t *jp2, opj_cio_t *cio) {
  * 
  * @return     the data being copied.
 */
-unsigned char *jp2_write_colr_v2(      opj_jp2_v2_t *jp2, 
-                                                                       unsigned int * p_nb_bytes_written )
+OPJ_BYTE * opj_jp2_write_colr(  opj_jp2_v2_t *jp2, 
+                                                           OPJ_UINT32 * p_nb_bytes_written 
+                                )
 {
        /* room for 8 bytes for box 3 for common data and variable upon profile*/
        unsigned int l_colr_size = 11;
@@ -1042,62 +894,6 @@ static void jp2_apply_pclr(opj_image_t *image, opj_jp2_color_t *color)
 
 }/* apply_pclr() */
 
-
-static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_box_t *box, opj_jp2_color_t *color)
-{
-       opj_jp2_pclr_t *jp2_pclr;
-       unsigned char *channel_size, *channel_sign;
-       unsigned int *entries;
-       unsigned short nr_entries, nr_channels;
-       unsigned short i, j;
-       unsigned char uc;
-
-       OPJ_ARG_NOT_USED(box);
-       OPJ_ARG_NOT_USED(jp2);
-
-/* Part 1, I.5.3.4: 'There shall be at most one Palette box inside
- * a JP2 Header box' :
-*/
-       if(color->jp2_pclr) return OPJ_FALSE;
-
-       nr_entries = (unsigned short)cio_read(cio, 2); /* NE */
-       nr_channels = (unsigned short)cio_read(cio, 1);/* NPC */
-
-       entries = (unsigned int*)
-        opj_malloc(nr_channels * nr_entries * sizeof(unsigned int));
-       channel_size = (unsigned char*)opj_malloc(nr_channels);
-       channel_sign = (unsigned char*)opj_malloc(nr_channels);
-
-       jp2_pclr = (opj_jp2_pclr_t*)opj_malloc(sizeof(opj_jp2_pclr_t));
-       jp2_pclr->channel_sign = channel_sign;
-       jp2_pclr->channel_size = channel_size;
-       jp2_pclr->entries = entries;
-       jp2_pclr->nr_entries = nr_entries;
-       jp2_pclr->nr_channels = nr_channels;
-       jp2_pclr->cmap = NULL;
-
-       color->jp2_pclr = jp2_pclr;
-
-       for(i = 0; i < nr_channels; ++i)
-   {
-       uc = cio_read(cio, 1); /* Bi */
-       channel_size[i] = (uc & 0x7f) + 1;
-       channel_sign[i] = (uc & 0x80)?1:0;
-   }
-
-       for(j = 0; j < nr_entries; ++j)
-   {
-       for(i = 0; i < nr_channels; ++i)
-  {
-/* Cji */
-       *entries++ = cio_read(cio, (channel_size[i]+7)>>3);
-  }
-   }
-
-       return OPJ_TRUE;
-}/* jp2_read_pclr() */
-
 /**
  * Reads a palette box.
  *
@@ -1108,11 +904,12 @@ static opj_bool jp2_read_pclr(opj_jp2_t *jp2, opj_cio_t *cio,
  *
  * @return     true if the bpc header is valid, fale else.
  */
-opj_bool jp2_read_pclr_v2(     opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_pclr_header_data,
-                                                       OPJ_UINT32 p_pclr_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 ){
+opj_bool opj_jp2_read_pclr(    opj_jp2_v2_t *jp2,
+                            OPJ_BYTE * p_pclr_header_data,
+                            OPJ_UINT32 p_pclr_header_size,
+                            opj_event_mgr_t * p_manager 
+                            )
+{
        opj_jp2_pclr_t *jp2_pclr;
        OPJ_BYTE *channel_size, *channel_sign;
        OPJ_UINT32 *entries;
@@ -1146,7 +943,7 @@ opj_bool jp2_read_pclr_v2( opj_jp2_v2_t *jp2,
        jp2_pclr->channel_size = channel_size;
        jp2_pclr->entries = entries;
        jp2_pclr->nr_entries = nr_entries;
-       jp2_pclr->nr_channels = nr_channels;
+       jp2_pclr->nr_channels = (OPJ_BYTE) l_value;
        jp2_pclr->cmap = NULL;
 
        jp2->color.jp2_pclr = jp2_pclr;
@@ -1173,41 +970,6 @@ opj_bool jp2_read_pclr_v2(        opj_jp2_v2_t *jp2,
        return OPJ_TRUE;
 }
 
-
-static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_box_t *box, opj_jp2_color_t *color)
-{
-       opj_jp2_cmap_comp_t *cmap;
-       unsigned short i, nr_channels;
-
-       OPJ_ARG_NOT_USED(box);
-       OPJ_ARG_NOT_USED(jp2);
-
-/* Need nr_channels: */
-       if(color->jp2_pclr == NULL) return OPJ_FALSE;
-
-/* Part 1, I.5.3.5: 'There shall be at most one Component Mapping box
- * inside a JP2 Header box' :
-*/
-       if(color->jp2_pclr->cmap) return OPJ_FALSE;
-
-       nr_channels = color->jp2_pclr->nr_channels;
-       cmap = (opj_jp2_cmap_comp_t*)
-        opj_malloc(nr_channels * sizeof(opj_jp2_cmap_comp_t));
-
-       for(i = 0; i < nr_channels; ++i)
-   {
-       cmap[i].cmp = (unsigned short)cio_read(cio, 2);
-       cmap[i].mtyp = cio_read(cio, 1);
-       cmap[i].pcol = cio_read(cio, 1);
-
-   }
-       color->jp2_pclr->cmap = cmap;
-
-       return OPJ_TRUE;
-
-}/* jp2_read_cmap() */
-
 /**
  * Reads the Component Mapping box.
  *
@@ -1218,11 +980,11 @@ static opj_bool jp2_read_cmap(opj_jp2_t *jp2, opj_cio_t *cio,
  *
  * @return     true if the cdef header is valid, false else.
 */
-static opj_bool jp2_read_cmap_v2(      opj_jp2_v2_t * jp2,
-                                                       unsigned char * p_cmap_header_data,
-                                                       OPJ_UINT32 p_cmap_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 )
+opj_bool opj_jp2_read_cmap(    opj_jp2_v2_t * jp2,
+                            OPJ_BYTE * p_cmap_header_data,
+                            OPJ_UINT32 p_cmap_header_size,
+                            opj_event_mgr_t * p_manager 
+                            )
 {
        opj_jp2_cmap_comp_t *cmap;
        OPJ_BYTE i, nr_channels;
@@ -1306,39 +1068,6 @@ static void jp2_apply_cdef(opj_image_t *image, opj_jp2_color_t *color)
 
 }/* jp2_apply_cdef() */
 
-static opj_bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_box_t *box, opj_jp2_color_t *color)
-{
-       opj_jp2_cdef_info_t *info;
-       unsigned short i, n;
-
-       OPJ_ARG_NOT_USED(box);
-       OPJ_ARG_NOT_USED(jp2);
-
-/* Part 1, I.5.3.6: 'The shall be at most one Channel Definition box
- * inside a JP2 Header box.' 
-*/
-       if(color->jp2_cdef) return OPJ_FALSE;
-
-       if((n = (unsigned short)cio_read(cio, 2)) == 0) return OPJ_FALSE; /* szukw000: FIXME */
-
-       info = (opj_jp2_cdef_info_t*)
-        opj_malloc(n * sizeof(opj_jp2_cdef_info_t));
-
-       color->jp2_cdef = (opj_jp2_cdef_t*)opj_malloc(sizeof(opj_jp2_cdef_t));
-       color->jp2_cdef->info = info;
-       color->jp2_cdef->n = n;
-
-       for(i = 0; i < n; ++i)
-   {
-       info[i].cn = (unsigned short)cio_read(cio, 2);
-       info[i].typ = (unsigned short)cio_read(cio, 2);
-       info[i].asoc = (unsigned short)cio_read(cio, 2);
-
-   }
-       return OPJ_TRUE;
-}/* jp2_read_cdef() */
-
 /**
  * Reads the Component Definition box.
  *
@@ -1349,11 +1078,11 @@ static opj_bool jp2_read_cdef(opj_jp2_t *jp2, opj_cio_t *cio,
  *
  * @return     true if the cdef header is valid, false else.
 */
-static opj_bool jp2_read_cdef_v2(      opj_jp2_v2_t * jp2,
-                                                       unsigned char * p_cdef_header_data,
+opj_bool opj_jp2_read_cdef(    opj_jp2_v2_t * jp2,
+                            OPJ_BYTE * p_cdef_header_data,
                                                        OPJ_UINT32 p_cdef_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 )
+                                                       opj_event_mgr_t * p_manager 
+                            )
 {
        opj_jp2_cdef_info_t *cdef_info;
        unsigned short i;
@@ -1400,62 +1129,6 @@ static opj_bool jp2_read_cdef_v2(        opj_jp2_v2_t * jp2,
        return OPJ_TRUE;
 }
 
-
-static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_box_t *box, opj_jp2_color_t *color) 
-{
-       int skip_len;
-    opj_common_ptr cinfo;
-
-/* Part 1, I.5.3.3 : 'A conforming JP2 reader shall ignore all Colour
- * Specification boxes after the first.' 
-*/
-       if(color->jp2_has_colr) return OPJ_FALSE;
-
-       cinfo = jp2->cinfo;
-
-       jp2->meth = cio_read(cio, 1);           /* METH */
-       jp2->precedence = cio_read(cio, 1);     /* PRECEDENCE */
-       jp2->approx = cio_read(cio, 1);         /* APPROX */
-
-       if (jp2->meth == 1) 
-   {
-       jp2->enumcs = cio_read(cio, 4); /* EnumCS */
-   } 
-       else
-       if (jp2->meth == 2) 
-   {
-/* skip PROFILE */
-       skip_len = box->init_pos + box->length - cio_tell(cio);
-       if (skip_len < 0) 
-  {
-       opj_event_msg(cinfo, EVT_ERROR, "Error with COLR box size\n");
-       return OPJ_FALSE;
-  }
-       if(skip_len > 0)
-  {
-       unsigned char *start;
-
-       start = cio_getbp(cio);
-       color->icc_profile_buf = (unsigned char*)opj_malloc(skip_len);
-       color->icc_profile_len = skip_len;
-
-       cio_skip(cio, box->init_pos + box->length - cio_tell(cio));
-
-       memcpy(color->icc_profile_buf, start, skip_len);
-  }
-   }
-
-       if (cio_tell(cio) - box->init_pos != box->length) 
-   {
-       opj_event_msg(cinfo, EVT_ERROR, "Error with COLR Box\n");
-       return OPJ_FALSE;
-   }
-       color->jp2_has_colr = 1;
-
-       return OPJ_TRUE;
-}/* jp2_read_colr() */
-
 /**
  * Reads the Colour Specification box.
  *
@@ -1467,11 +1140,11 @@ static opj_bool jp2_read_colr(opj_jp2_t *jp2, opj_cio_t *cio,
  *
  * @return     true if the bpc header is valid, fale else.
 */
-static opj_bool jp2_read_colr_v2(      opj_jp2_v2_t * jp2,
-                                                       unsigned char * p_colr_header_data,
-                                                       OPJ_UINT32 p_colr_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                                 )
+opj_bool opj_jp2_read_colr( opj_jp2_v2_t *jp2,
+                            OPJ_BYTE * p_colr_header_data,
+                            OPJ_UINT32 p_colr_header_size,
+                            opj_event_mgr_t * p_manager 
+                            )
 {
        OPJ_UINT32 l_value;
 
@@ -1588,26 +1261,6 @@ opj_bool opj_jp2_decode(opj_jp2_v2_t *jp2,
 }
 
 
-void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio) {
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_JP2H, 4);    /* JP2H */
-
-       jp2_write_ihdr(jp2, cio);
-
-       if (jp2->bpc == 255) {
-               jp2_write_bpcc(jp2, cio);
-       }
-       jp2_write_colr(jp2, cio);
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
 /**
  * Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
  *
@@ -1617,9 +1270,10 @@ void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio) {
  *
  * @return true if writting was successful.
 */
-opj_bool jp2_write_jp2h_v2(    opj_jp2_v2_t *jp2,
-                                                       opj_stream_private_t *cio,
-                                                       opj_event_mgr_t * p_manager )
+opj_bool opj_jp2_write_jp2h(opj_jp2_v2_t *jp2,
+                            opj_stream_private_t *stream,
+                            opj_event_mgr_t * p_manager 
+                            )
 {
        opj_jp2_img_header_writer_handler_t l_writers [3];
        opj_jp2_img_header_writer_handler_t * l_current_writer;
@@ -1633,7 +1287,7 @@ opj_bool jp2_write_jp2h_v2(       opj_jp2_v2_t *jp2,
        unsigned char l_jp2h_data [8];
        
        // preconditions
-       assert(cio != 00);
+       assert(stream != 00);
        assert(jp2 != 00);
        assert(p_manager != 00);
 
@@ -1641,14 +1295,14 @@ opj_bool jp2_write_jp2h_v2(     opj_jp2_v2_t *jp2,
 
        if (jp2->bpc == 255) {
                l_nb_pass = 3;
-               l_writers[0].handler = jp2_write_ihdr_v2;
-               l_writers[1].handler = jp2_write_bpcc_v2;
-               l_writers[2].handler = jp2_write_colr_v2;
+               l_writers[0].handler = opj_jp2_write_ihdr;
+               l_writers[1].handler = opj_jp2_write_bpcc;
+               l_writers[2].handler = opj_jp2_write_colr;
        }
        else {
                l_nb_pass = 2;
-               l_writers[0].handler = jp2_write_ihdr_v2;
-               l_writers[1].handler = jp2_write_colr_v2;
+               l_writers[0].handler = opj_jp2_write_ihdr;
+               l_writers[1].handler = opj_jp2_write_colr;
        }
        
        /* write box header */
@@ -1684,7 +1338,7 @@ opj_bool jp2_write_jp2h_v2(       opj_jp2_v2_t *jp2,
        opj_write_bytes(l_jp2h_data,l_jp2h_size,4);
        
        /* write super box data on stream */
-       if (opj_stream_write_data(cio,l_jp2h_data,8,p_manager) != 8) {
+       if (opj_stream_write_data(stream,l_jp2h_data,8,p_manager) != 8) {
                opj_event_msg_v2(p_manager, EVT_ERROR, "Stream error while writing JP2 Header box\n");
                l_result = OPJ_FALSE;
        }
@@ -1692,7 +1346,7 @@ opj_bool jp2_write_jp2h_v2(       opj_jp2_v2_t *jp2,
        if (l_result) {
                l_current_writer = l_writers;
                for (i=0;i<l_nb_pass;++i) {
-                       if (opj_stream_write_data(cio,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
+                       if (opj_stream_write_data(stream,l_current_writer->m_data,l_current_writer->m_size,p_manager) != l_current_writer->m_size) {
                                opj_event_msg_v2(p_manager, EVT_ERROR, "Stream error while writting JP2 Header box\n");
                                l_result = OPJ_FALSE;
                                break;
@@ -1714,27 +1368,6 @@ opj_bool jp2_write_jp2h_v2(      opj_jp2_v2_t *jp2,
        return l_result;
 }
 
-static void jp2_write_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) {
-       unsigned int i;
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_FTYP, 4);            /* FTYP */
-
-       cio_write(cio, jp2->brand, 4);          /* BR */
-       cio_write(cio, jp2->minversion, 4);     /* MinV */
-
-       for (i = 0; i < jp2->numcl; i++) {
-               cio_write(cio, jp2->cl[i], 4);  /* CL */
-       }
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
 /**
  * Writes a FTYP box - File type box
  *
@@ -1744,7 +1377,7 @@ static void jp2_write_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) {
  * 
  * @return     true if writting was successful.
  */
-opj_bool jp2_write_ftyp_v2(    opj_jp2_v2_t *jp2,
+opj_bool opj_jp2_write_ftyp(opj_jp2_v2_t *jp2,
                                                        opj_stream_private_t *cio,
                                                        opj_event_mgr_t * p_manager )
 {
@@ -1796,65 +1429,6 @@ opj_bool jp2_write_ftyp_v2(      opj_jp2_v2_t *jp2,
        return l_result;
 }
 
-static opj_bool jp2_read_ftyp(opj_jp2_t *jp2, opj_cio_t *cio) {
-       int i;
-       opj_jp2_box_t box;
-
-       opj_common_ptr cinfo = jp2->cinfo;
-
-       jp2_read_boxhdr(cinfo, cio, &box);
-
-       if (JP2_FTYP != box.type) {
-               opj_event_msg(cinfo, EVT_ERROR, "Expected FTYP Marker\n");
-               return OPJ_FALSE;
-       }
-
-       jp2->brand = cio_read(cio, 4);          /* BR */
-       jp2->minversion = cio_read(cio, 4);     /* MinV */
-       jp2->numcl = (box.length - 16) / 4;
-       jp2->cl = (unsigned int *) opj_malloc(jp2->numcl * sizeof(unsigned int));
-
-       for (i = 0; i < (int)jp2->numcl; i++) {
-               jp2->cl[i] = cio_read(cio, 4);  /* CLi */
-       }
-
-       if (cio_tell(cio) - box.init_pos != box.length) {
-               opj_event_msg(cinfo, EVT_ERROR, "Error with FTYP Box\n");
-               return OPJ_FALSE;
-       }
-
-       return OPJ_TRUE;
-}
-
-static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
-       unsigned int j2k_codestream_offset, j2k_codestream_length;
-       opj_jp2_box_t box;
-
-       opj_j2k_t *j2k = jp2->j2k;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_JP2C, 4);    /* JP2C */
-
-       /* J2K encoding */
-       j2k_codestream_offset = cio_tell(cio);
-       if(!j2k_encode(j2k, cio, image, cstr_info)) {
-               opj_event_msg(j2k->cinfo, EVT_ERROR, "Failed to encode image\n");
-               return 0;
-       }
-       j2k_codestream_length = cio_tell(cio) - j2k_codestream_offset;
-
-       jp2->j2k_codestream_offset = j2k_codestream_offset;
-       jp2->j2k_codestream_length = j2k_codestream_length;
-
-       box.length = 8 + jp2->j2k_codestream_length;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-
-       return box.length;
-}
-
 /**
  * Writes the Jpeg2000 codestream Header box - JP2C Header box.
  *
@@ -1864,12 +1438,12 @@ static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, op
  *
  * @return true if writting was successful.
 */
-opj_bool jp2_write_jp2c_v2(    opj_jp2_v2_t *jp2,
+opj_bool opj_jp2_write_jp2c(opj_jp2_v2_t *jp2,
                                                        opj_stream_private_t *cio,
                                                        opj_event_mgr_t * p_manager ) 
 {
-       unsigned int j2k_codestream_exit;
-       unsigned char l_data_header [8];
+       OPJ_OFF_T j2k_codestream_exit;
+       OPJ_BYTE l_data_header [8];
        
        // preconditions
        assert(jp2 != 00);
@@ -1878,7 +1452,9 @@ opj_bool jp2_write_jp2c_v2(       opj_jp2_v2_t *jp2,
        assert(opj_stream_has_seek(cio));
        
        j2k_codestream_exit = opj_stream_tell(cio);
-       opj_write_bytes(l_data_header,j2k_codestream_exit - jp2->j2k_codestream_offset,4); /* size of codestream */
+       opj_write_bytes(l_data_header,
+                    (OPJ_UINT32) (j2k_codestream_exit - jp2->j2k_codestream_offset),
+                    4); /* size of codestream */
        opj_write_bytes(l_data_header + 4,JP2_JP2C,4);                                                                     /* JP2C */
 
        if (! opj_stream_seek(cio,jp2->j2k_codestream_offset,p_manager)) {
@@ -1899,39 +1475,6 @@ opj_bool jp2_write_jp2c_v2(      opj_jp2_v2_t *jp2,
        return OPJ_TRUE;
 }
 
-static opj_bool jp2_read_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, unsigned int *j2k_codestream_length, unsigned int *j2k_codestream_offset) {
-       opj_jp2_box_t box;
-
-       opj_common_ptr cinfo = jp2->cinfo;
-
-       jp2_read_boxhdr(cinfo, cio, &box);
-       do {
-               if(JP2_JP2C != box.type) {
-                       cio_skip(cio, box.length - 8);
-                       jp2_read_boxhdr(cinfo, cio, &box);
-               }
-       } while(JP2_JP2C != box.type);
-
-       *j2k_codestream_offset = cio_tell(cio);
-       *j2k_codestream_length = box.length - 8;
-
-       return OPJ_TRUE;
-}
-
-static void jp2_write_jp(opj_cio_t *cio) {
-       opj_jp2_box_t box;
-
-       box.init_pos = cio_tell(cio);
-       cio_skip(cio, 4);
-       cio_write(cio, JP2_JP, 4);              /* JP2 signature */
-       cio_write(cio, 0x0d0a870a, 4);
-
-       box.length = cio_tell(cio) - box.init_pos;
-       cio_seek(cio, box.init_pos);
-       cio_write(cio, box.length, 4);  /* L */
-       cio_seek(cio, box.init_pos + box.length);
-}
-
 /**
  * Writes a jpeg2000 file signature box.
  *
@@ -1941,9 +1484,9 @@ static void jp2_write_jp(opj_cio_t *cio) {
  * 
  * @return true if writting was successful.
  */
-opj_bool jp2_write_jp_v2(      opj_jp2_v2_t *jp2,
-                                                       opj_stream_private_t *cio,
-                                                       opj_event_mgr_t * p_manager ) 
+opj_bool opj_jp2_write_jp(     opj_jp2_v2_t *jp2,
+                                           opj_stream_private_t *cio,
+                                               opj_event_mgr_t * p_manager ) 
 {
        /* 12 bytes will be read */
        unsigned char l_signature_data [12];
@@ -1967,44 +1510,6 @@ opj_bool jp2_write_jp_v2(        opj_jp2_v2_t *jp2,
        return OPJ_TRUE;
 }
 
-static opj_bool jp2_read_jp(opj_jp2_t *jp2, opj_cio_t *cio) {
-       opj_jp2_box_t box;
-
-       opj_common_ptr cinfo = jp2->cinfo;
-
-       jp2_read_boxhdr(cinfo, cio, &box);
-       if (JP2_JP != box.type) {
-               opj_event_msg(cinfo, EVT_ERROR, "Expected JP Marker\n");
-               return OPJ_FALSE;
-       }
-       if (0x0d0a870a != cio_read(cio, 4)) {
-               opj_event_msg(cinfo, EVT_ERROR, "Error with JP Marker\n");
-               return OPJ_FALSE;
-       }
-       if (cio_tell(cio) - box.init_pos != box.length) {
-               opj_event_msg(cinfo, EVT_ERROR, "Error with JP Box size\n");
-               return OPJ_FALSE;
-       }
-
-       return OPJ_TRUE;
-}
-
-
-static opj_bool jp2_read_struct(opj_jp2_t *jp2, opj_cio_t *cio,
-       opj_jp2_color_t *color) {
-       if (!jp2_read_jp(jp2, cio))
-               return OPJ_FALSE;
-       if (!jp2_read_ftyp(jp2, cio))
-               return OPJ_FALSE;
-       if (!jp2_read_jp2h(jp2, cio, color))
-               return OPJ_FALSE;
-       if (!jp2_read_jp2c(jp2, cio, &jp2->j2k_codestream_length, &jp2->j2k_codestream_offset))
-               return OPJ_FALSE;
-       
-       return OPJ_TRUE;
-}
-
-
 static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio)
 {  
   int len, lenp;
@@ -2085,40 +1590,12 @@ void opj_jp2_setup_decoder(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters)
 /* JP2 encoder interface                                             */
 /* ----------------------------------------------------------------------- */
 
-opj_jp2_t* jp2_create_compress(opj_common_ptr cinfo) {
-       opj_jp2_t *jp2 = (opj_jp2_t*)opj_malloc(sizeof(opj_jp2_t));
-       if(jp2) {
-               jp2->cinfo = cinfo;
-               /* create the J2K codec */
-               jp2->j2k = j2k_create_compress(cinfo);
-               if(jp2->j2k == NULL) {
-                       jp2_destroy_compress(jp2);
-                       return NULL;
-               }
-       }
-       return jp2;
-}
-
-void jp2_destroy_compress(opj_jp2_t *jp2) {
-       if(jp2) {
-               /* destroy the J2K codec */
-               j2k_destroy_compress(jp2->j2k);
-
-               if(jp2->comps) {
-                       opj_free(jp2->comps);
-               }
-               if(jp2->cl) {
-                       opj_free(jp2->cl);
-               }
-               opj_free(jp2);
-       }
-}
-
-void jp2_setup_encoder(        opj_jp2_v2_t *jp2, 
-                                               opj_cparameters_t *parameters, 
-                                               opj_image_t *image, 
-                                               opj_event_mgr_t * p_manager) {
-       int i;
+void opj_jp2_setup_encoder(    opj_jp2_v2_t *jp2, 
+                            opj_cparameters_t *parameters, 
+                            opj_image_t *image, 
+                            opj_event_mgr_t * p_manager) 
+{                           
+    OPJ_UINT32 i;
        int depth_0, sign;
 
        if(!jp2 || !parameters || !image)
@@ -2194,63 +1671,22 @@ void jp2_setup_encoder( opj_jp2_v2_t *jp2,
 }
 
 
-opj_bool opj_jp2_encode_v2(    opj_jp2_v2_t *jp2, 
-                                                       opj_stream_private_t *stream, 
-                                                       opj_event_mgr_t * p_manager)
+opj_bool opj_jp2_encode(opj_jp2_v2_t *jp2, 
+                                               opj_stream_private_t *stream, 
+                                               opj_event_mgr_t * p_manager)
 {
        return j2k_encode_v2(jp2->j2k, stream, p_manager);
 }
 
-opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
-
-       int pos_iptr, pos_cidx, pos_jp2c, len_jp2c, len_cidx, end_pos, pos_fidx, len_fidx;
-       pos_jp2c = pos_iptr = -1; /* remove a warning */
-
-       /* JP2 encoding */
-
-       /* JPEG 2000 Signature box */
-       jp2_write_jp(cio);
-       /* File Type box */
-       jp2_write_ftyp(jp2, cio);
-       /* JP2 Header box */
-       jp2_write_jp2h(jp2, cio);
-
-       if( jp2->jpip_on){
-         pos_iptr = cio_tell( cio);
-         cio_skip( cio, 24); /* IPTR further ! */
-         
-         pos_jp2c = cio_tell( cio);
-       }
-
-       /* J2K encoding */
-       if(!(len_jp2c = jp2_write_jp2c( jp2, cio, image, cstr_info))){
-           opj_event_msg(jp2->cinfo, EVT_ERROR, "Failed to encode image\n");
-           return OPJ_FALSE;
-       }
-
-       if( jp2->jpip_on){
-         pos_cidx = cio_tell( cio);
-         
-         len_cidx = write_cidx( pos_jp2c+8, cio, image, *cstr_info, len_jp2c-8);
-         
-         pos_fidx = cio_tell( cio);
-         len_fidx = write_fidx( pos_jp2c, len_jp2c, pos_cidx, len_cidx, cio);
-         
-         end_pos = cio_tell( cio);
-         
-         cio_seek( cio, pos_iptr);
-         write_iptr( pos_fidx, len_fidx, cio);
-                 cio_seek( cio, end_pos);
-       }
-
-       return OPJ_TRUE;
-}
 
 /**
  * Ends the decompression procedures and possibiliy add data to be read after the
  * codestream.
  */
-opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t * p_manager)
+opj_bool opj_jp2_end_decompress(opj_jp2_v2_t *jp2, 
+                                opj_stream_private_t *cio,
+                                opj_event_mgr_t * p_manager
+                                )
 {
        /* preconditions */
        assert(jp2 != 00);
@@ -2258,10 +1694,10 @@ opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, opj_stream_private_t *cio, opj_ev
        assert(p_manager != 00);
 
        /* customization of the end encoding */
-       jp2_setup_end_header_reading(jp2);
+       opj_jp2_setup_end_header_reading(jp2);
 
        /* write header */
-       if (! jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
+       if (! opj_jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
                return OPJ_FALSE;
        }
 
@@ -2272,9 +1708,10 @@ opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, opj_stream_private_t *cio, opj_ev
  * Ends the compression procedures and possibility add data to be read after the
  * codestream.
  */
-opj_bool jp2_end_compress(     opj_jp2_v2_t *jp2,
-                                                       opj_stream_private_t *cio,
-                                                       opj_event_mgr_t * p_manager)
+opj_bool opj_jp2_end_compress( opj_jp2_v2_t *jp2,
+                                                           opj_stream_private_t *cio,
+                                                           opj_event_mgr_t * p_manager
+                                )
 {
        /* preconditions */
        assert(jp2 != 00);
@@ -2282,14 +1719,14 @@ opj_bool jp2_end_compress(      opj_jp2_v2_t *jp2,
        assert(p_manager != 00);
 
        /* customization of the end encoding */
-       jp2_setup_end_header_writting(jp2);
+       opj_jp2_setup_end_header_writting(jp2);
 
        if (! j2k_end_compress(jp2->j2k,cio,p_manager)) {
                return OPJ_FALSE;
        }
 
        /* write header */
-       return jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
+       return opj_jp2_exec(jp2,jp2->m_procedure_list,cio,p_manager);
 }
 
 
@@ -2297,12 +1734,12 @@ opj_bool jp2_end_compress(      opj_jp2_v2_t *jp2,
  * Sets up the procedures to do on writing header after the codestream.
  * Developers wanting to extend the library can add their own writing procedures.
  */
-void jp2_setup_end_header_writting (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_end_header_writting (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
 
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_jp2c_v2 );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2c );
        /* DEVELOPER CORNER, add your custom procedures */
 }
 
@@ -2310,11 +1747,11 @@ void jp2_setup_end_header_writting (opj_jp2_v2_t *jp2)
  * Sets up the procedures to do on reading header after the codestream.
  * Developers wanting to extend the library can add their own writing procedures.
  */
-void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_end_header_reading (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_read_header_procedure );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
        /* DEVELOPER CORNER, add your custom procedures */
 }
 
@@ -2327,9 +1764,10 @@ void jp2_setup_end_header_reading (opj_jp2_v2_t *jp2)
  *
  * @return true if the parameters are correct.
  */
-opj_bool jp2_default_validation (      opj_jp2_v2_t * jp2,
-                                                                       opj_stream_private_t *cio,
-                                                                       opj_event_mgr_t * p_manager )
+opj_bool opj_jp2_default_validation (  opj_jp2_v2_t * jp2,
+                                        opj_stream_private_t *cio,
+                                        opj_event_mgr_t * p_manager 
+                                        )
 {
        opj_bool l_is_valid = OPJ_TRUE;
        unsigned int i;
@@ -2384,16 +1822,16 @@ opj_bool jp2_default_validation (       opj_jp2_v2_t * jp2,
 /**
  * Reads a jpeg2000 file header structure.
  *
- * @param cio the stream to read data from.
+ * @param stream the stream to read data from.
  * @param jp2 the jpeg2000 file header structure.
  * @param p_manager the user event manager.
  *
  * @return true if the box is valid.
  */
-opj_bool jp2_read_header_procedure(
-                                        opj_jp2_v2_t *jp2,
-                                        opj_stream_private_t *cio,
-                                        opj_event_mgr_t * p_manager)
+static opj_bool opj_jp2_read_header_procedure(  opj_jp2_v2_t *jp2,
+                                                opj_stream_private_t *stream,
+                                                opj_event_mgr_t * p_manager 
+                                                )
 {
        opj_jp2_box_t box;
        OPJ_UINT32 l_nb_bytes_read;
@@ -2403,7 +1841,7 @@ opj_bool jp2_read_header_procedure(
        unsigned char * l_current_data = 00;
 
        /* preconditions */
-       assert(cio != 00);
+       assert(stream != 00);
        assert(jp2 != 00);
        assert(p_manager != 00);
 
@@ -2415,7 +1853,7 @@ opj_bool jp2_read_header_procedure(
        }
        memset(l_current_data, 0 , l_last_data_size);
 
-       while (jp2_read_boxhdr_v2(&box,&l_nb_bytes_read,cio,p_manager)) {
+       while (opj_jp2_read_boxhdr(&box,&l_nb_bytes_read,stream,p_manager)) {
                /* is it the codestream box ? */
                if (box.type == JP2_JP2C) {
                        if (jp2->jp2_state & JP2_STATE_HEADER) {
@@ -2435,7 +1873,7 @@ opj_bool jp2_read_header_procedure(
                        return OPJ_FALSE;
                }
 
-               l_current_handler = jp2_find_handler(box.type);
+               l_current_handler = opj_jp2_find_handler(box.type);
                l_current_data_size = box.length - l_nb_bytes_read;
 
                if (l_current_handler != 00) {
@@ -2448,7 +1886,7 @@ opj_bool jp2_read_header_procedure(
                                l_last_data_size = l_current_data_size;
                        }
 
-                       l_nb_bytes_read = opj_stream_read_data(cio,l_current_data,l_current_data_size,p_manager);
+                       l_nb_bytes_read = opj_stream_read_data(stream,l_current_data,l_current_data_size,p_manager);
                        if (l_nb_bytes_read != l_current_data_size) {
                                opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with reading JPEG2000 box, stream error\n");
                                return OPJ_FALSE;
@@ -2461,7 +1899,7 @@ opj_bool jp2_read_header_procedure(
                }
                else {
                        jp2->jp2_state |= JP2_STATE_UNKNOWN;
-                       if (opj_stream_skip(cio,l_current_data_size,p_manager) != l_current_data_size) {
+                       if (opj_stream_skip(stream,l_current_data_size,p_manager) != l_current_data_size) {
                                opj_event_msg_v2(p_manager, EVT_ERROR, "Problem with skipping JPEG2000 box, stream error\n");
                                opj_free(l_current_data);
                                return OPJ_FALSE;
@@ -2479,17 +1917,17 @@ opj_bool jp2_read_header_procedure(
  *
  * @param      p_procedure_list        the list of procedures to execute
  * @param      jp2                                     the jpeg2000 file codec to execute the procedures on.
- * @param      cio                                     the stream to execute the procedures on.
+ * @param      stream                                  the stream to execute the procedures on.
  * @param      p_manager                       the user manager.
  *
  * @return     true                            if all the procedures were successfully executed.
  */
-opj_bool jp2_exec (
-                                       opj_jp2_v2_t * jp2,
-                                       opj_procedure_list_t * p_procedure_list,
-                                       opj_stream_private_t *cio,
-                                       opj_event_mgr_t * p_manager
-                                 )
+static opj_bool opj_jp2_exec (  opj_jp2_v2_t * jp2,
+                                opj_procedure_list_t * p_procedure_list,
+                                opj_stream_private_t *stream,
+                                opj_event_mgr_t * p_manager 
+                                )
+
 {
        opj_bool (** l_procedure) (opj_jp2_v2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *) = 00;
        opj_bool l_result = OPJ_TRUE;
@@ -2498,14 +1936,14 @@ opj_bool jp2_exec (
        /* preconditions */
        assert(p_procedure_list != 00);
        assert(jp2 != 00);
-       assert(cio != 00);
+       assert(stream != 00);
        assert(p_manager != 00);
 
        l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
        l_procedure = (opj_bool (**) (opj_jp2_v2_t * jp2, opj_stream_private_t *, opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
 
        for     (i=0;i<l_nb_proc;++i) {
-               l_result = l_result && (*l_procedure) (jp2,cio,p_manager);
+               l_result = l_result && (*l_procedure) (jp2,stream,p_manager);
                ++l_procedure;
        }
 
@@ -2522,33 +1960,34 @@ opj_bool jp2_exec (
  *
  * @return true if the codec is valid.
  */
-opj_bool jp2_start_compress(opj_jp2_v2_t *jp2,
-                                                       struct opj_stream_private *cio,
-                                                       opj_image_t * p_image,
-                                                       struct opj_event_mgr * p_manager)
+opj_bool opj_jp2_start_compress(opj_jp2_v2_t *jp2,
+                                opj_stream_private_t *stream,
+                                opj_image_t * p_image,
+                                opj_event_mgr_t * p_manager
+                                )
 {
        /* preconditions */
        assert(jp2 != 00);
-       assert(cio != 00);
+       assert(stream != 00);
        assert(p_manager != 00);
 
        /* customization of the validation */
-       jp2_setup_encoding_validation (jp2);
+       opj_jp2_setup_encoding_validation (jp2);
 
        /* validation of the parameters codec */
-       if (! jp2_exec(jp2,jp2->m_validation_list,cio,p_manager)) {
+       if (! opj_jp2_exec(jp2,jp2->m_validation_list,stream,p_manager)) {
                return OPJ_FALSE;
        }
 
        /* customization of the encoding */
-       jp2_setup_header_writting(jp2);
+       opj_jp2_setup_header_writting(jp2);
 
        /* write header */
-       if (! jp2_exec (jp2,jp2->m_procedure_list,cio,p_manager)) {
+       if (! opj_jp2_exec (jp2,jp2->m_procedure_list,stream,p_manager)) {
                return OPJ_FALSE;
        }
 
-       return j2k_start_compress(jp2->j2k,cio,p_image,p_manager);
+       return j2k_start_compress(jp2->j2k,stream,p_image,p_manager);
 }
 
 /**
@@ -2558,7 +1997,7 @@ opj_bool jp2_start_compress(opj_jp2_v2_t *jp2,
  *
  * @return     the given handler or 00 if it could not be found.
  */
-const opj_jp2_header_handler_t * jp2_find_handler (int p_id)
+const opj_jp2_header_handler_t * opj_jp2_find_handler (OPJ_UINT32 p_id)
 {
        OPJ_UINT32 i, l_handler_size = sizeof(jp2_header) / sizeof(opj_jp2_header_handler_t);
 
@@ -2577,9 +2016,7 @@ const opj_jp2_header_handler_t * jp2_find_handler (int p_id)
  *
  * @return     the given handler or 00 if it could not be found.
  */
-static const opj_jp2_header_handler_t * jp2_img_find_handler (
-                                                                                               int p_id
-                                                                                               )
+static const opj_jp2_header_handler_t * opj_jp2_img_find_handler (OPJ_UINT32 p_id)
 {
        OPJ_UINT32 i, l_handler_size = sizeof(jp2_img_header) / sizeof(opj_jp2_header_handler_t);
        for (i=0;i<l_handler_size;++i)
@@ -2603,12 +2040,12 @@ static const opj_jp2_header_handler_t * jp2_img_find_handler (
  *
  * @return true if the file signature box is valid.
  */
-opj_bool jp2_read_jp_v2(
-                                       opj_jp2_v2_t *jp2,
-                                       unsigned char * p_header_data,
-                                       unsigned int p_header_size,
-                                       opj_event_mgr_t * p_manager
-                                )
+static opj_bool opj_jp2_read_jp(opj_jp2_v2_t *jp2,
+                                OPJ_BYTE * p_header_data,
+                                OPJ_UINT32 p_header_size,
+                                opj_event_mgr_t * p_manager
+                                )
+
 {
        unsigned int l_magic_number;
 
@@ -2651,12 +2088,11 @@ opj_bool jp2_read_jp_v2(
  *
  * @return true if the FTYP box is valid.
  */
-opj_bool jp2_read_ftyp_v2(
-                                                       opj_jp2_v2_t *jp2,
-                                                       unsigned char * p_header_data,
-                                                       unsigned int p_header_size,
-                                                       opj_event_mgr_t * p_manager
-                                               )
+static opj_bool opj_jp2_read_ftyp(     opj_jp2_v2_t *jp2,
+                                                                       OPJ_BYTE * p_header_data,
+                                                                       OPJ_UINT32 p_header_size,
+                                                                       opj_event_mgr_t * p_manager 
+                                    )
 {
        OPJ_UINT32 i, l_remaining_bytes;
 
@@ -2721,9 +2157,9 @@ opj_bool jp2_read_ftyp_v2(
  *
  * @return true if writting was successful.
 */
-opj_bool jp2_skip_jp2c(        opj_jp2_v2_t *jp2,
-                                               struct opj_stream_private *stream,
-                                               struct opj_event_mgr * p_manager )
+opj_bool opj_jp2_skip_jp2c(    opj_jp2_v2_t *jp2,
+                                               opj_stream_private_t *stream,
+                                               opj_event_mgr_t * p_manager )
 {
        /* preconditions */
        assert(jp2 != 00);
@@ -2775,7 +2211,7 @@ static opj_bool opj_jp2_read_jp2h(  opj_jp2_v2_t *jp2,
        /* iterate while remaining data */
        while (p_header_size > 0) {
 
-               if (! jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
+               if (! opj_jp2_read_boxhdr_char(&box,p_header_data,&l_box_size,p_header_size, p_manager)) {
                        opj_event_msg_v2(p_manager, EVT_ERROR, "Stream error while reading JP2 Header box\n");
                        return OPJ_FALSE;
                }
@@ -2785,7 +2221,7 @@ static opj_bool opj_jp2_read_jp2h(  opj_jp2_v2_t *jp2,
                        return OPJ_FALSE;
                }
 
-               l_current_handler = jp2_img_find_handler(box.type);
+               l_current_handler = opj_jp2_img_find_handler(box.type);
                l_current_data_size = box.length - l_box_size;
                p_header_data += l_box_size;
 
@@ -2817,13 +2253,12 @@ static opj_bool opj_jp2_read_jp2h(  opj_jp2_v2_t *jp2,
  *
  * @return     true if the box is reconized, false otherwise
 */
-static opj_bool jp2_read_boxhdr_char(
-                                                               opj_jp2_box_t *box,
-                                                               OPJ_BYTE * p_data,
-                                                               OPJ_UINT32 * p_number_bytes_read,
-                                                               OPJ_UINT32 p_box_max_size,
-                                                               opj_event_mgr_t * p_manager
-                                                       )
+opj_bool opj_jp2_read_boxhdr_char(   opj_jp2_box_t *box,
+                                     OPJ_BYTE * p_data,
+                                     OPJ_UINT32 * p_number_bytes_read,
+                                     OPJ_UINT32 p_box_max_size,
+                                     opj_event_mgr_t * p_manager 
+                                     )
 {
        OPJ_UINT32 l_value;
 
@@ -2895,11 +2330,11 @@ static opj_bool jp2_read_boxhdr_char(
  *
  * @return true if the box is valid.
  */
-opj_bool jp2_read_header(      struct opj_stream_private *p_stream,
-                                                       opj_jp2_v2_t *jp2,
-                                                       opj_image_t** p_image,
-                                                       struct opj_event_mgr * p_manager
-                                                       )
+opj_bool opj_jp2_read_header(  opj_stream_private_t *p_stream,
+                                opj_jp2_v2_t *jp2,
+                                opj_image_t ** p_image,
+                                opj_event_mgr_t * p_manager 
+                                )
 {
        /* preconditions */
        assert(jp2 != 00);
@@ -2907,18 +2342,18 @@ opj_bool jp2_read_header(       struct opj_stream_private *p_stream,
        assert(p_manager != 00);
 
        /* customization of the validation */
-       jp2_setup_decoding_validation (jp2);
+       opj_jp2_setup_decoding_validation (jp2);
 
        /* customization of the encoding */
-       jp2_setup_header_reading(jp2);
+       opj_jp2_setup_header_reading(jp2);
 
        /* validation of the parameters codec */
-       if (! jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
+       if (! opj_jp2_exec(jp2,jp2->m_validation_list,p_stream,p_manager)) {
                return OPJ_FALSE;
        }
 
        /* read header */
-       if (! jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
+       if (! opj_jp2_exec (jp2,jp2->m_procedure_list,p_stream,p_manager)) {
                return OPJ_FALSE;
        }
 
@@ -2932,12 +2367,12 @@ opj_bool jp2_read_header(       struct opj_stream_private *p_stream,
  * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
  * are valid. Developers wanting to extend the library can add their own validation procedures.
  */
-void jp2_setup_encoding_validation (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_encoding_validation (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
 
-       opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)jp2_default_validation);
+       opj_procedure_list_add_procedure(jp2->m_validation_list, (opj_procedure)opj_jp2_default_validation);
        /* DEVELOPER CORNER, add your custom validation procedure */
 }
 
@@ -2945,7 +2380,7 @@ void jp2_setup_encoding_validation (opj_jp2_v2_t *jp2)
  * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
  * are valid. Developpers wanting to extend the library can add their own validation procedures.
  */
-void jp2_setup_decoding_validation (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_decoding_validation (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
@@ -2956,15 +2391,15 @@ void jp2_setup_decoding_validation (opj_jp2_v2_t *jp2)
  * Sets up the procedures to do on writting header.
  * Developers wanting to extend the library can add their own writing procedures.
  */
-void jp2_setup_header_writting (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_header_writting (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
 
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_jp_v2 );
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_ftyp_v2 );
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_write_jp2h_v2 );
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_skip_jp2c );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_ftyp );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_write_jp2h );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_skip_jp2c );
 
        /* DEVELOPER CORNER, insert your custom procedures */
 
@@ -2974,12 +2409,12 @@ void jp2_setup_header_writting (opj_jp2_v2_t *jp2)
  * Sets up the procedures to do on reading header.
  * Developpers wanting to extend the library can add their own writting procedures.
  */
-void jp2_setup_header_reading (opj_jp2_v2_t *jp2)
+void opj_jp2_setup_header_reading (opj_jp2_v2_t *jp2)
 {
        /* preconditions */
        assert(jp2 != 00);
 
-       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)jp2_read_header_procedure );
+       opj_procedure_list_add_procedure(jp2->m_procedure_list,(opj_procedure)opj_jp2_read_header_procedure );
        /* DEVELOPER CORNER, add your custom procedures */
 }
 
@@ -2990,15 +2425,18 @@ void jp2_setup_header_reading (opj_jp2_v2_t *jp2)
  * @param      p_stream                        the stream to write data to.
  * @param      p_manager       the user event manager.
  */
-opj_bool jp2_read_tile_header( opj_jp2_v2_t * p_jp2,
-                                                               OPJ_UINT32 * p_tile_index,
-                                                               OPJ_UINT32 * p_data_size,
-                                                               OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
-                                                               OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
-                                                               OPJ_UINT32 * p_nb_comps,
-                                                               opj_bool * p_go_on,
-                                                               opj_stream_private_t *p_stream,
-                                                               opj_event_mgr_t * p_manager )
+opj_bool opj_jp2_read_tile_header ( opj_jp2_v2_t * p_jp2,
+                                    OPJ_UINT32 * p_tile_index,
+                                    OPJ_UINT32 * p_data_size,
+                                    OPJ_INT32 * p_tile_x0,
+                                    OPJ_INT32 * p_tile_y0,
+                                    OPJ_INT32 * p_tile_x1,
+                                    OPJ_INT32 * p_tile_y1,
+                                    OPJ_UINT32 * p_nb_comps,
+                                    opj_bool * p_go_on,
+                                    opj_stream_private_t *p_stream,
+                                    opj_event_mgr_t * p_manager 
+                                    )
 {
        return j2k_read_tile_header(p_jp2->j2k,
                                                                p_tile_index,
@@ -3017,12 +2455,14 @@ opj_bool jp2_read_tile_header(  opj_jp2_v2_t * p_jp2,
  * @param      p_stream                        the stream to write data to.
  * @param      p_manager       the user event manager.
  */
-opj_bool jp2_write_tile (      opj_jp2_v2_t *p_jp2,
-                                                       OPJ_UINT32 p_tile_index,
-                                                       OPJ_BYTE * p_data,
-                                                       OPJ_UINT32 p_data_size,
-                                                       struct opj_stream_private *p_stream,
-                                                       struct opj_event_mgr * p_manager )
+opj_bool opj_jp2_write_tile (  opj_jp2_v2_t *p_jp2,
+                                                           OPJ_UINT32 p_tile_index,
+                                                           OPJ_BYTE * p_data,
+                                                           OPJ_UINT32 p_data_size,
+                                                           opj_stream_private_t *p_stream,
+                                                           opj_event_mgr_t * p_manager 
+                                )
+                                
 {
        return j2k_write_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
 }
@@ -3033,14 +2473,13 @@ opj_bool jp2_write_tile (       opj_jp2_v2_t *p_jp2,
  * @param      p_stream                        the stream to write data to.
  * @param      p_manager       the user event manager.
  */
-opj_bool jp2_decode_tile (
-                                       opj_jp2_v2_t * p_jp2,
-                                       OPJ_UINT32 p_tile_index,
-                                       OPJ_BYTE * p_data,
-                                       OPJ_UINT32 p_data_size,
-                                       opj_stream_private_t *p_stream,
-                                       opj_event_mgr_t * p_manager
-                                       )
+opj_bool opj_jp2_decode_tile (  opj_jp2_v2_t * p_jp2,
+                                OPJ_UINT32 p_tile_index,
+                                OPJ_BYTE * p_data,
+                                OPJ_UINT32 p_data_size,
+                                opj_stream_private_t *p_stream,
+                                opj_event_mgr_t * p_manager 
+                                )
 {
        return j2k_decode_tile (p_jp2->j2k,p_tile_index,p_data,p_data_size,p_stream,p_manager);
 }
@@ -3050,7 +2489,7 @@ opj_bool jp2_decode_tile (
  *
  * @param      jp2             a jpeg2000 file decompressor.
  */
-void jp2_destroy(opj_jp2_v2_t *jp2)
+void opj_jp2_destroy(opj_jp2_v2_t *jp2)
 {
        if (jp2) {
                /* destroy the J2K codec */
@@ -3129,11 +2568,12 @@ void jp2_destroy(opj_jp2_v2_t *jp2)
  *
  * @return     true                    if the area could be set.
  */
-opj_bool jp2_set_decode_area(  opj_jp2_v2_t *p_jp2,
-                                                               opj_image_t* p_image,
-                                                               OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
-                                                               OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
-                                                               struct opj_event_mgr * p_manager )
+opj_bool opj_jp2_set_decode_area(      opj_jp2_v2_t *p_jp2,
+                                                                   opj_image_t* p_image,
+                                                                   OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+                                                                   OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
+                                                                   opj_event_mgr_t * p_manager 
+                                    )
 {
        return j2k_set_decode_area(p_jp2->j2k, p_image, p_start_x, p_start_y, p_end_x, p_end_y, p_manager);
 }
@@ -3149,49 +2589,50 @@ opj_bool jp2_set_decode_area(   opj_jp2_v2_t *p_jp2,
  *
  * @return     true                    if succeed.
  */
-opj_bool jp2_get_tile( opj_jp2_v2_t *jp2,
-                                               opj_stream_private_t *p_stream,
-                                               opj_image_t* p_image,
-                                               struct opj_event_mgr * p_manager,
-                                               OPJ_UINT32 tile_index )
+opj_bool opj_jp2_get_tile(     opj_jp2_v2_t *p_jp2,
+                            opj_stream_private_t *p_stream,
+                            opj_image_t* p_image,
+                            opj_event_mgr_t * p_manager,
+                            OPJ_UINT32 tile_index 
+                            )
 {
        if (!p_image)
                return OPJ_FALSE;
 
        opj_event_msg_v2(p_manager, EVT_WARNING, "JP2 box which are after the codestream will not be read by this function.\n");
 
-       if (! j2k_get_tile(jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
+       if (! j2k_get_tile(p_jp2->j2k, p_stream, p_image, p_manager, tile_index) ){
                opj_event_msg_v2(p_manager, EVT_ERROR, "Failed to decode the codestream in the JP2 file\n");
                return OPJ_FALSE;
        }
 
        /* Set Image Color Space */
-       if (jp2->enumcs == 16)
+       if (p_jp2->enumcs == 16)
                p_image->color_space = CLRSPC_SRGB;
-       else if (jp2->enumcs == 17)
+       else if (p_jp2->enumcs == 17)
                p_image->color_space = CLRSPC_GRAY;
-       else if (jp2->enumcs == 18)
+       else if (p_jp2->enumcs == 18)
                p_image->color_space = CLRSPC_SYCC;
        else
                p_image->color_space = CLRSPC_UNKNOWN;
 
        /* Apply the color space if needed */
-       if(jp2->color.jp2_cdef) {
-               jp2_apply_cdef(p_image, &(jp2->color));
+       if(p_jp2->color.jp2_cdef) {
+               jp2_apply_cdef(p_image, &(p_jp2->color));
        }
 
-       if(jp2->color.jp2_pclr) {
+       if(p_jp2->color.jp2_pclr) {
                /* Part 1, I.5.3.4: Either both or none : */
-               if( !jp2->color.jp2_pclr->cmap)
-                       jp2_free_pclr(&(jp2->color));
+               if( !p_jp2->color.jp2_pclr->cmap)
+                       jp2_free_pclr(&(p_jp2->color));
                else
-                       jp2_apply_pclr(p_image, &(jp2->color));
+                       jp2_apply_pclr(p_image, &(p_jp2->color));
        }
 
-       if(jp2->color.icc_profile_buf) {
-               p_image->icc_profile_buf = jp2->color.icc_profile_buf;
-               p_image->icc_profile_len = jp2->color.icc_profile_len;
-               jp2->color.icc_profile_buf = NULL;
+       if(p_jp2->color.icc_profile_buf) {
+               p_image->icc_profile_buf = p_jp2->color.icc_profile_buf;
+               p_image->icc_profile_len = p_jp2->color.icc_profile_len;
+               p_jp2->color.icc_profile_buf = NULL;
        }
 
        return OPJ_TRUE;
@@ -3203,7 +2644,7 @@ opj_bool jp2_get_tile(    opj_jp2_v2_t *jp2,
 /* JP2 encoder interface                                             */
 /* ----------------------------------------------------------------------- */
 
-opj_jp2_v2_t* jp2_create(opj_bool p_is_decoder)
+opj_jp2_v2_t* opj_jp2_create(opj_bool p_is_decoder)
 {
        opj_jp2_v2_t *jp2 = (opj_jp2_v2_t*)opj_malloc(sizeof(opj_jp2_v2_t));
        if (jp2) {
@@ -3218,7 +2659,7 @@ opj_jp2_v2_t* jp2_create(opj_bool p_is_decoder)
                }
 
                if (jp2->j2k == 00) {
-                       jp2_destroy(jp2);
+                       opj_jp2_destroy(jp2);
                        return 00;
                }
 
@@ -3232,14 +2673,14 @@ opj_jp2_v2_t* jp2_create(opj_bool p_is_decoder)
                /* validation list creation */
                jp2->m_validation_list = opj_procedure_list_create();
                if (! jp2->m_validation_list) {
-                       jp2_destroy(jp2);
+                       opj_jp2_destroy(jp2);
                        return 00;
                }
 
                /* execution list creation */
                jp2->m_procedure_list = opj_procedure_list_create();
                if (! jp2->m_procedure_list) {
-                       jp2_destroy(jp2);
+                       opj_jp2_destroy(jp2);
                        return 00;
                }
        }
@@ -3267,7 +2708,9 @@ opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_v2_t* p_jp2)
        return j2k_get_cstr_info(p_jp2->j2k);
 }
 
-opj_bool jp2_set_decoded_resolution_factor(opj_jp2_v2_t *p_jp2, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager)
+opj_bool opj_jp2_set_decoded_resolution_factor(opj_jp2_v2_t *p_jp2, 
+                                               OPJ_UINT32 res_factor, 
+                                               opj_event_mgr_t * p_manager)
 {
        return j2k_set_decoded_resolution_factor(p_jp2->j2k, res_factor, p_manager);
 }