#define JP2_JP 0x6a502020 /**< JPEG 2000 signature box */
#define JP2_FTYP 0x66747970 /**< File type box */
-#define JP2_JP2H 0x6a703268 /**< JP2 header box */
-#define JP2_IHDR 0x69686472 /**< Image header box */
-#define JP2_COLR 0x636f6c72 /**< Colour specification box */
+
+#define JP2_JP2H 0x6a703268 /**< JP2 header box (super-box) */
+#define JP2_IHDR 0x69686472 /**< Image header box */
+#define JP2_BPCC 0x62706363 /**< Bits per component box */
+#define JP2_COLR 0x636f6c72 /**< Colour specification box */
+#define JP2_PCLR 0x70636c72 /**< Palette box */
+#define JP2_CMAP 0x636d6170 /**< Component Mapping box */
+#define JP2_CDEF 0x63646566 /**< Channel Definition box */
+/* For the future MSD */
+/* #define JP2_RES 0x72657320 */ /**< Resolution box (super-box) */
+
#define JP2_JP2C 0x6a703263 /**< Contiguous codestream box */
-#define JP2_URL 0x75726c20 /**< URL box */
+
+/* For the future MSD */
+/* #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_URL 0x75726c20 /**< Data entry URL box */
+
#define JP2_DTBL 0x6474626c /**< Data Reference box */
-#define JP2_BPCC 0x62706363 /**< Bits per component box */
+
#define JP2_JP2 0x6a703220 /**< File type fields */
-#define JP2_PCLR 0x70636c72 /**< Palette box */
-#define JP2_CMAP 0x636d6170 /**< Component Mapping box */
-#define JP2_CDEF 0x63646566 /**< Channel Definition 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;
+
+typedef enum
+{
+ JP2_IMG_STATE_NONE = 0x0,
+ JP2_IMG_STATE_UNKNOWN = 0x7fffffff
+}
+JP2_IMG_STATE;
+
/**
Channel description: channel index, type, assocation
*/
typedef struct opj_jp2_comps {
int depth;
int sgnd;
- int bpcc;
+ OPJ_UINT32 bpcc;
} opj_jp2_comps_t;
/**
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;
} opj_jp2_t;
+/**
+JPEG-2000 file format reader/writer
+*/
+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;
+ OPJ_UINT32 j2k_codestream_offset;
+ OPJ_UINT32 jp2_state;
+ OPJ_UINT32 jp2_img_state;
+
+ opj_jp2_color_t color;
+
+ opj_bool ignore_pclr_cmap_cdef;
+}
+opj_jp2_v2_t;
+
/**
JP2 Box
*/
typedef struct opj_jp2_box {
- int length;
- int type;
- int init_pos;
+ OPJ_UINT32 length;
+ OPJ_UINT32 type;
+ OPJ_INT32 init_pos;
} opj_jp2_box_t;
+typedef struct opj_jp2_header_handler
+{
+ /* marker value */
+ int id;
+ /* action linked to the marker */
+ opj_bool (*handler) (opj_jp2_v2_t *jp2, unsigned char * p_header_data, OPJ_UINT32 p_header_size, struct opj_event_mgr * p_manager);
+}
+opj_jp2_header_handler_t;
+
+
+typedef struct opj_jp2_img_header_writer_handler
+{
+ /* action to perform */
+ unsigned char* (*handler) (opj_jp2_v2_t *jp2, unsigned int * p_data_size);
+ /* result of the action : data */
+ unsigned char * m_data;
+ /* size of data */
+ unsigned int m_size;
+}
+opj_jp2_img_header_writer_handler_t;
+
/** @name Exported functions */
/*@{*/
/* ----------------------------------------------------------------------- */
@param cio Output buffer stream
*/
void jp2_write_jp2h(opj_jp2_t *jp2, opj_cio_t *cio);
+
+/**
+ * Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
+ *
+ * @param cio the stream to write data to.
+ * @param jp2 the jpeg2000 file codec.
+ * @param p_manager user event manager.
+ *
+ * @return true if writting was successful.
+*/
+opj_bool jp2_write_jp2h_v2( opj_jp2_v2_t *jp2,
+ struct opj_stream_private *cio,
+ struct opj_event_mgr * p_manager );
+
/**
Read the JP2H box - JP2 Header box (used in MJ2)
@param jp2 JP2 handle
@param ext Collector for profile, cdef and pclr data
@return Returns true if successful, returns false otherwise
*/
-bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color);
-/**
-Creates a JP2 decompression structure
-@param cinfo Codec context info
-@return Returns a handle to a JP2 decompressor if successful, returns NULL otherwise
-*/
-opj_jp2_t* jp2_create_decompress(opj_common_ptr cinfo);
+opj_bool jp2_read_jp2h(opj_jp2_t *jp2, opj_cio_t *cio, opj_jp2_color_t *color);
+
/**
Destroy a JP2 decompressor handle
@param jp2 JP2 decompressor handle to destroy
*/
void jp2_destroy_decompress(opj_jp2_t *jp2);
+
/**
Setup the decoder decoding parameters using user parameters.
-Decoding parameters are returned in jp2->j2k->cp.
+Decoding parameters are returned in jp2->j2k->cp.
@param jp2 JP2 decompressor handle
@param parameters decompression parameters
*/
-void jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);
+void opj_jp2_setup_decoder(opj_jp2_v2_t *jp2, opj_dparameters_t *parameters);
+
/**
-Decode an image from a JPEG-2000 file stream
-@param jp2 JP2 decompressor handle
-@param cio Input buffer stream
-@param cstr_info Codestream information structure if required, NULL otherwise
-@return Returns a decoded image if successful, returns NULL otherwise
+ * Decode an image from a JPEG-2000 file stream
+ * @param jp2 JP2 decompressor handle
+ * @param cio Input buffer stream
+ * @param cstr_info Codestream information structure if required, NULL otherwise
+ * @return Returns a decoded image if successful, returns NULL otherwise
*/
-opj_image_t* jp2_decode(opj_jp2_t *jp2, opj_cio_t *cio, opj_codestream_info_t *cstr_info);
+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);
+
+
/**
Creates a JP2 compression structure
@param cinfo Codec context info
@param parameters compression parameters
@param image input filled image
*/
-void jp2_setup_encoder(opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image);
+void jp2_setup_encoder( opj_jp2_v2_t *jp2,
+ opj_cparameters_t *parameters,
+ opj_image_t *image,
+ struct opj_event_mgr * p_manager);
/**
Encode an image into a JPEG-2000 file stream
@param jp2 JP2 compressor handle
@param cstr_info Codestream information structure if required, NULL otherwise
@return Returns true if successful, returns false otherwise
*/
-bool jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
+opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info);
+
+/**
+Encode an image into a JPEG-2000 file stream
+@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_v2( 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 cio the stream object.
+ *
+ * @return true if the codec is valid.
+ */
+opj_bool jp2_start_compress(opj_jp2_v2_t *jp2,
+ struct opj_stream_private *cio,
+ struct opj_image * p_image,
+ struct opj_event_mgr * p_manager);
+
+
+/**
+ * Ends the compression procedures and possibiliy add data to be read after the
+ * codestream.
+ */
+opj_bool jp2_end_compress( opj_jp2_v2_t *jp2,
+ struct opj_stream_private *cio,
+ struct opj_event_mgr * p_manager);
+
/* ----------------------------------------------------------------------- */
+
+/**
+ * Ends the decompression procedures and possibiliy add data to be read after the
+ * codestream.
+ */
+opj_bool jp2_end_decompress(opj_jp2_v2_t *jp2, struct opj_stream_private *cio, struct opj_event_mgr * p_manager);
+
+/**
+ * Reads a jpeg2000 file header structure.
+ *
+ * @param cio 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( struct opj_stream_private *p_stream,
+ opj_jp2_v2_t *jp2,
+ opj_image_t ** p_img_header,
+ struct opj_event_mgr * p_manager
+ );
+
+/**
+ * Reads a tile header.
+ * @param p_j2k the jpeg2000 codec.
+ * @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_j2k,
+ 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,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager
+ );
+
+
+
+/**
+ * Writes a tile.
+ * @param p_j2k the jpeg2000 codec.
+ * @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 );
+
+/**
+ * Decode tile data.
+ * @param p_j2k the jpeg2000 codec.
+ * @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,
+ struct opj_stream_private *p_stream,
+ struct opj_event_mgr * p_manager
+ );
+
+/**
+ * Creates a jpeg2000 file decompressor.
+ *
+ * @return an empty jpeg2000 file codec.
+ */
+opj_jp2_v2_t* jp2_create (opj_bool p_is_decoder);
+
+/**
+Destroy a JP2 decompressor handle
+@param jp2 JP2 decompressor handle to destroy
+*/
+void jp2_destroy(opj_jp2_v2_t *jp2);
+
+
+/**
+ * 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_end_x the right 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_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.
+ */
+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 jp2_get_tile( opj_jp2_v2_t *p_jp2,
+ opj_stream_private_t *p_stream,
+ opj_image_t* p_image,
+ struct opj_event_mgr * p_manager,
+ OPJ_UINT32 tile_index );
+
+
+/**
+ * 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.
+ *
+*/
+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.
+ *
+ *@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.
+ *
+ *@return the codestream index extract from the jpg2000 codec
+ */
+opj_codestream_index_t* jp2_get_cstr_index(opj_jp2_v2_t* p_jp2);
+
+opj_bool jp2_set_decoded_resolution_factor(opj_jp2_v2_t *p_jp2, OPJ_UINT32 res_factor, opj_event_mgr_t * p_manager);
+
/*@}*/
/*@}*/
projects / openjpeg.git / blobdiff