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src/Source/LibOpenJPEG/opj_codec.h  view on Meta::CPAN

    {
        /**
         * Decompression handler.
         */
        struct opj_decompression
        {
            /** Main header reading function handler */
            OPJ_BOOL (*opj_read_header) ( struct opj_stream_private * cio,
                                          void * p_codec,
                                          opj_image_t **p_image,
                                          struct opj_event_mgr * p_manager);

            /** Decoding function */
            OPJ_BOOL (*opj_decode) ( void * p_codec,
                                     struct opj_stream_private * p_cio,
                                     opj_image_t * p_image,
                                     struct opj_event_mgr * p_manager);

            /** FIXME DOC */
            OPJ_BOOL (*opj_read_tile_header)( void * p_codec,
                                              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_should_go_on,
                                              struct opj_stream_private * p_cio,
                                              struct opj_event_mgr * p_manager);

            /** FIXME DOC */
            OPJ_BOOL (*opj_decode_tile_data)( void * p_codec,
                                              OPJ_UINT32 p_tile_index,
                                              OPJ_BYTE * p_data,
                                              OPJ_UINT32 p_data_size,
                                              struct opj_stream_private * p_cio,
                                              struct opj_event_mgr * p_manager);

            /** Reading function used after codestream if necessary */
            OPJ_BOOL (* opj_end_decompress) ( void *p_codec,
                                              struct opj_stream_private * cio,
                                              struct opj_event_mgr * p_manager);

            /** Codec destroy function handler */
            void (*opj_destroy) (void * p_codec);

            /** Setup decoder function handler */
            void (*opj_setup_decoder) ( void * p_codec, opj_dparameters_t * p_param);

            /** Set decode area function handler */
            OPJ_BOOL (*opj_set_decode_area) ( void * p_codec,
                                              opj_image_t * p_image,
                                              OPJ_INT32 p_start_x,
                                              OPJ_INT32 p_end_x,
                                              OPJ_INT32 p_start_y,
                                              OPJ_INT32 p_end_y,
                                              struct opj_event_mgr * p_manager);

            /** Get tile function */
            OPJ_BOOL (*opj_get_decoded_tile) ( void *p_codec,
                                               opj_stream_private_t * p_cio,
                                               opj_image_t *p_image,
                                               struct opj_event_mgr * p_manager,
                                               OPJ_UINT32 tile_index);

            /** Set the decoded resolution factor */
            OPJ_BOOL (*opj_set_decoded_resolution_factor) ( void * p_codec,
                                                            OPJ_UINT32 res_factor,
                                                            opj_event_mgr_t * p_manager);
        } m_decompression;

        /**
         * Compression handler. FIXME DOC
         */
        struct opj_compression
        {
            OPJ_BOOL (* opj_start_compress) ( void *p_codec,
                                              struct opj_stream_private * cio,
                                              struct opj_image * p_image,
                                              struct opj_event_mgr * p_manager);

            OPJ_BOOL (* opj_encode) ( void * p_codec,
                                      struct opj_stream_private *p_cio,
                                      struct opj_event_mgr * p_manager);

            OPJ_BOOL (* opj_write_tile) ( void * p_codec,
                                          OPJ_UINT32 p_tile_index,
                                          OPJ_BYTE * p_data,
                                          OPJ_UINT32 p_data_size,
                                          struct opj_stream_private * p_cio,
                                          struct opj_event_mgr * p_manager);

            OPJ_BOOL (* opj_end_compress) (	void * p_codec,
                                            struct opj_stream_private * p_cio,
                                            struct opj_event_mgr * p_manager);

            void (* opj_destroy) (void * p_codec);

            void (* opj_setup_encoder) ( void * p_codec,
                                         opj_cparameters_t * p_param,
                                         struct opj_image * p_image,
                                         struct opj_event_mgr * p_manager);
        } m_compression;
    } m_codec_data;
    /** FIXME DOC*/
    void * m_codec;
    /** Event handler */
    opj_event_mgr_t m_event_mgr;
    /** Flag to indicate if the codec is used to decode or encode*/
    OPJ_BOOL is_decompressor;
    void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
    opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
    opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
}
opj_codec_private_t;


#endif /* __OPJ_CODEC_H */