/** @defgroup JP2 JP2 - JPEG-2000 file format reader/writer */
/*@{*/
-#define JPIP_JPIP 0x6a706970
-
-#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
-#define JP2_FTYP 0x66747970 /**< File type box */
-#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */
-#define JP2_IHDR 0x69686472 /**< Image header box */
-#define JP2_COLR 0x636f6c72 /**< Colour specification box */
-#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
-#define JP2_URL 0x75726c20 /**< Data entry URL box */
-#define JP2_PCLR 0x70636c72 /**< Palette box */
-#define JP2_CMAP 0x636d6170 /**< Component Mapping box */
-#define JP2_CDEF 0x63646566 /**< Channel Definition box */
-#define JP2_DTBL 0x6474626c /**< Data Reference box */
-#define JP2_BPCC 0x62706363 /**< Bits per component box */
-#define JP2_JP2 0x6a703220 /**< File type fields */
+/*#define JPIP_JPIP 0x6a706970*/
+
+#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
+#define JP2_FTYP 0x66747970 /**< File type box */
+#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */
+#define JP2_IHDR 0x69686472 /**< Image header box */
+#define JP2_COLR 0x636f6c72 /**< Colour specification box */
+#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
+#define JP2_URL 0x75726c20 /**< Data entry URL box */
+#define JP2_PCLR 0x70636c72 /**< Palette box */
+#define JP2_CMAP 0x636d6170 /**< Component Mapping box */
+#define JP2_CDEF 0x63646566 /**< Channel Definition box */
+#define JP2_DTBL 0x6474626c /**< Data Reference box */
+#define JP2_BPCC 0x62706363 /**< Bits per component box */
+#define JP2_JP2 0x6a703220 /**< File type fields */
/* For the future */
-/* #define JP2_RES 0x72657320 */ /**< Resolution box (super-box) */
-/* #define JP2_JP2I 0x6a703269 */ /**< Intellectual property box */
-/* #define JP2_XML 0x786d6c20 */ /**< XML box */
-/* #define JP2_UUID 0x75756994 */ /**< UUID box */
-/* #define JP2_UINF 0x75696e66 */ /**< UUID info box (super-box) */
-/* #define JP2_ULST 0x756c7374 */ /**< UUID list box */
+/* #define JP2_RES 0x72657320 */ /**< Resolution box (super-box) */
+/* #define JP2_JP2I 0x6a703269 */ /**< Intellectual property box */
+/* #define JP2_XML 0x786d6c20 */ /**< XML box */
+/* #define JP2_UUID 0x75756994 */ /**< UUID box */
+/* #define JP2_UINF 0x75696e66 */ /**< UUID info box (super-box) */
+/* #define JP2_ULST 0x756c7374 */ /**< UUID list box */
/* ----------------------------------------------------------------------- */
typedef enum
{
- JP2_STATE_NONE = 0x0,
- JP2_STATE_SIGNATURE = 0x1,
- JP2_STATE_FILE_TYPE = 0x2,
- JP2_STATE_HEADER = 0x4,
- JP2_STATE_CODESTREAM = 0x8,
- JP2_STATE_END_CODESTREAM = 0x10,
- JP2_STATE_UNKNOWN = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */
+ JP2_STATE_NONE = 0x0,
+ JP2_STATE_SIGNATURE = 0x1,
+ JP2_STATE_FILE_TYPE = 0x2,
+ JP2_STATE_HEADER = 0x4,
+ JP2_STATE_CODESTREAM = 0x8,
+ JP2_STATE_END_CODESTREAM = 0x10,
+ JP2_STATE_UNKNOWN = 0x7fffffff /* ISO C restricts enumerator values to range of 'int' */
}
JP2_STATE;
typedef enum
{
- JP2_IMG_STATE_NONE = 0x0,
- JP2_IMG_STATE_UNKNOWN = 0x7fffffff
+ JP2_IMG_STATE_NONE = 0x0,
+ JP2_IMG_STATE_UNKNOWN = 0x7fffffff
}
JP2_IMG_STATE;
JP2 component
*/
typedef struct opj_jp2_comps {
- int depth;
- int sgnd;
+ int depth;
+ int sgnd;
OPJ_UINT32 bpcc;
} opj_jp2_comps_t;
JPEG-2000 file format reader/writer
*/
typedef struct opj_jp2 {
- /** codec context */
- opj_common_ptr cinfo;
- /** handle to the J2K codec */
- opj_j2k_t *j2k;
- 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;
- opj_jp2_comps_t *comps;
- unsigned int j2k_codestream_offset;
- unsigned int j2k_codestream_length;
- opj_bool jpip_on;
- opj_bool ignore_pclr_cmap_cdef;
+ /** codec context */
+ opj_common_ptr cinfo;
+ /** handle to the J2K codec */
+ opj_j2k_t *j2k;
+ 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;
+ opj_jp2_comps_t *comps;
+ unsigned int j2k_codestream_offset;
+ unsigned int j2k_codestream_length;
+ opj_bool ignore_pclr_cmap_cdef;
} opj_jp2_t;
/**
*/
typedef struct opj_jp2_v2
{
- /** handle to the J2K codec */
- struct opj_j2k_v2 *j2k;
- /** list of validation procedures */
- struct opj_procedure_list * m_validation_list;
- /** list of execution procedures */
- struct opj_procedure_list * m_procedure_list;
-
- /* width of image */
- OPJ_UINT32 w;
- /* height of image */
- OPJ_UINT32 h;
- /* number of components in the image */
- OPJ_UINT32 numcomps;
- OPJ_UINT32 bpc;
- OPJ_UINT32 C;
- OPJ_UINT32 UnkC;
- OPJ_UINT32 IPR;
- OPJ_UINT32 meth;
- OPJ_UINT32 approx;
- OPJ_UINT32 enumcs;
- OPJ_UINT32 precedence;
- OPJ_UINT32 brand;
- OPJ_UINT32 minversion;
- OPJ_UINT32 numcl;
- OPJ_UINT32 *cl;
- opj_jp2_comps_t *comps;
+ /** handle to the J2K codec */
+ struct opj_j2k_v2 *j2k;
+ /** list of validation procedures */
+ struct opj_procedure_list * m_validation_list;
+ /** list of execution procedures */
+ struct opj_procedure_list * m_procedure_list;
+
+ /* width of image */
+ OPJ_UINT32 w;
+ /* height of image */
+ OPJ_UINT32 h;
+ /* number of components in the image */
+ OPJ_UINT32 numcomps;
+ OPJ_UINT32 bpc;
+ OPJ_UINT32 C;
+ OPJ_UINT32 UnkC;
+ OPJ_UINT32 IPR;
+ OPJ_UINT32 meth;
+ OPJ_UINT32 approx;
+ OPJ_UINT32 enumcs;
+ OPJ_UINT32 precedence;
+ OPJ_UINT32 brand;
+ OPJ_UINT32 minversion;
+ OPJ_UINT32 numcl;
+ OPJ_UINT32 *cl;
+ opj_jp2_comps_t *comps;
+ /* FIXME: The following two variables are used to save offset
+ as we write out a JP2 file to disk. This mecanism is not flexible
+ as codec writers will need to extand those fields as new part
+ of the standard are implemented.
+ */
OPJ_OFF_T j2k_codestream_offset;
OPJ_OFF_T jpip_iptr_offset;
- OPJ_UINT32 jp2_state;
- OPJ_UINT32 jp2_img_state;
+ OPJ_UINT32 jp2_state;
+ OPJ_UINT32 jp2_img_state;
- opj_jp2_color_t color;
+ opj_jp2_color_t color;
opj_bool ignore_pclr_cmap_cdef;
}
typedef struct opj_jp2_header_handler
{
- /* marker value */
- OPJ_UINT32 id;
- /* action linked to the marker */
- opj_bool (*handler) ( opj_jp2_v2_t *jp2,
+ /* marker value */
+ OPJ_UINT32 id;
+ /* action linked to the marker */
+ opj_bool (*handler) ( opj_jp2_v2_t *jp2,
OPJ_BYTE *p_header_data,
OPJ_UINT32 p_header_size,
opj_event_mgr_t * p_manager);
typedef struct opj_jp2_img_header_writer_handler
{
- /* action to perform */
- OPJ_BYTE* (*handler) (opj_jp2_v2_t *jp2, OPJ_UINT32 * p_data_size);
- /* result of the action : data */
- OPJ_BYTE* m_data;
- /* size of data */
- OPJ_UINT32 m_size;
+ /* action to perform */
+ OPJ_BYTE* (*handler) (opj_jp2_v2_t *jp2, OPJ_UINT32 * p_data_size);
+ /* result of the action : data */
+ OPJ_BYTE* m_data;
+ /* size of data */
+ OPJ_UINT32 m_size;
}
opj_jp2_img_header_writer_handler_t;
/**
* Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
*
- * @param jp2 the jpeg2000 file codec.
- * @param stream the stream to write data to.
- * @param p_manager user event manager.
+ * @param jp2 the jpeg2000 file codec.
+ * @param stream the stream to write data to.
+ * @param p_manager user event manager.
*
* @return true if writing was successful.
*/
*/
opj_bool opj_jp2_decode(opj_jp2_v2_t *jp2,
opj_stream_private_t *p_stream,
- opj_image_t* p_image,
- opj_event_mgr_t * p_manager);
+ opj_image_t* p_image,
+ opj_event_mgr_t * p_manager);
/**
* Setup the encoder parameters using the current image and using user parameters.
* @param image input filled image
* @param p_manager FIXME DOC
*/
-void opj_jp2_setup_encoder( opj_jp2_v2_t *jp2,
+void opj_jp2_setup_encoder( opj_jp2_v2_t *jp2,
opj_cparameters_t *parameters,
opj_image_t *image,
opj_event_mgr_t * p_manager);
/**
Encode an image into a JPEG-2000 file stream
-@param jp2 JP2 compressor handle
-@param stream Output buffer stream
-@param p_manager event manager
+@param jp2 JP2 compressor handle
+@param stream Output buffer stream
+@param p_manager event manager
@return Returns true if successful, returns false otherwise
*/
-opj_bool opj_jp2_encode( 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);
/**
* Starts a compression scheme, i.e. validates the codec parameters, writes the header.
*
- * @param jp2 the jpeg2000 file codec.
- * @param stream the stream object.
- * @param p_image FIXME DOC
+ * @param jp2 the jpeg2000 file codec.
+ * @param stream the stream object.
+ * @param p_image FIXME DOC
* @param p_manager FIXME DOC
*
* @return true if the codec is valid.
* Ends the compression procedures and possibiliy add data to be read after the
* codestream.
*/
-opj_bool opj_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);
/* ----------------------------------------------------------------------- */
*
* @return true if the box is valid.
*/
-opj_bool opj_jp2_read_header( opj_stream_private_t *p_stream,
+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 );
/**
* Reads a tile header.
- * @param p_jp2 the jpeg2000 codec.
- * @param p_tile_index FIXME DOC
- * @param p_data_size FIXME DOC
- * @param p_tile_x0 FIXME DOC
- * @param p_tile_y0 FIXME DOC
- * @param p_tile_x1 FIXME DOC
- * @param p_tile_y1 FIXME DOC
- * @param p_nb_comps FIXME DOC
- * @param p_go_on FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
+ * @param p_jp2 the jpeg2000 codec.
+ * @param p_tile_index FIXME DOC
+ * @param p_data_size FIXME DOC
+ * @param p_tile_x0 FIXME DOC
+ * @param p_tile_y0 FIXME DOC
+ * @param p_tile_x1 FIXME DOC
+ * @param p_tile_y1 FIXME DOC
+ * @param p_nb_comps FIXME DOC
+ * @param p_go_on FIXME DOC
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
*/
opj_bool opj_jp2_read_tile_header ( opj_jp2_v2_t * p_jp2,
OPJ_UINT32 * p_tile_index,
/**
* Writes a tile.
*
- * @param p_jp2 the jpeg2000 codec.
+ * @param p_jp2 the jpeg2000 codec.
* @param p_tile_index FIXME DOC
* @param p_data FIXME DOC
* @param p_data_size FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event 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 );
+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 );
/**
* Decode tile data.
- * @param p_jp2 the jpeg2000 codec.
- * @param p_tile_index FIXME DOC
- * @param p_data FIXME DOC
- * @param p_data_size FIXME DOC
- * @param p_stream the stream to write data to.
- * @param p_manager the user event manager.
+ * @param p_jp2 the jpeg2000 codec.
+ * @param p_tile_index FIXME DOC
+ * @param p_data FIXME DOC
+ * @param p_data_size FIXME DOC
+ * @param p_stream the stream to write data to.
+ * @param p_manager the user event manager.
*
* @return FIXME DOC
*/
/**
* Creates a jpeg2000 file decompressor.
*
- * @return an empty jpeg2000 file codec.
+ * @return an empty jpeg2000 file codec.
*/
opj_jp2_v2_t* opj_jp2_create (opj_bool p_is_decoder);
/**
* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
*
- * @param p_jp2 the jpeg2000 codec.
- * @param p_image FIXME DOC
- * @param p_start_x the left position of the rectangle to decode (in image coordinates).
- * @param p_start_y the up position of the rectangle to decode (in image coordinates).
- * @param p_end_x the right position of the rectangle to decode (in image coordinates).
- * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
- * @param p_manager the user event manager
+ * @param p_jp2 the jpeg2000 codec.
+ * @param p_image FIXME DOC
+ * @param p_start_x the left position of the rectangle to decode (in image coordinates).
+ * @param p_start_y the up position of the rectangle to decode (in image coordinates).
+ * @param p_end_x the right position of the rectangle to decode (in image coordinates).
+ * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ * @param p_manager the user event manager
*
- * @return true if the area could be set.
+ * @return true if the area could be set.
*/
-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 );
+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 );
/**
*
*/
-opj_bool opj_jp2_get_tile( opj_jp2_v2_t *p_jp2,
+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,
/**
* Dump some elements from the JP2 decompression structure .
*
- *@param p_jp2 the jp2 codec.
- *@param flag flag to describe what elments are dump.
- *@param out_stream output stream where dump the elements.
+ *@param p_jp2 the jp2 codec.
+ *@param flag flag to describe what elments are dump.
+ *@param out_stream output stream where dump the elements.
*
*/
void jp2_dump (opj_jp2_v2_t* p_jp2, OPJ_INT32 flag, FILE* out_stream);
/**
* Get the codestream info from a JPEG2000 codec.
*
- *@param p_jp2 jp2 codec.
+ *@param p_jp2 jp2 codec.
*
- *@return the codestream information extract from the jpg2000 codec
+ *@return the codestream information extract from the jpg2000 codec
*/
opj_codestream_info_v2_t* jp2_get_cstr_info(opj_jp2_v2_t* p_jp2);
/**
* Get the codestream index from a JPEG2000 codec.
*
- *@param p_jp2 jp2 codec.
+ *@param p_jp2 jp2 codec.
*
- *@return the codestream index extract from the jpg2000 codec
+ *@return the codestream index extract from the jpg2000 codec
*/
opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_v2_t* p_jp2);
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