OpenJPEG
2.5.0
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#include "opj_includes.h"
Macros | |
#define | OPJ_BOX_SIZE 1024 |
#define | OPJ_UNUSED(x) (void)x |
Local static functions | |
static const opj_jp2_header_handler_t | jp2_header [] |
static const opj_jp2_header_handler_t | jp2_img_header [] |
static OPJ_BOOL | opj_jp2_read_ihdr (opj_jp2_t *jp2, OPJ_BYTE *p_image_header_data, OPJ_UINT32 p_image_header_size, opj_event_mgr_t *p_manager) |
Reads a IHDR box - Image Header box. More... | |
static OPJ_BYTE * | opj_jp2_write_ihdr (opj_jp2_t *jp2, OPJ_UINT32 *p_nb_bytes_written) |
Writes the Image Header box - Image Header box. More... | |
static OPJ_BYTE * | opj_jp2_write_bpcc (opj_jp2_t *jp2, OPJ_UINT32 *p_nb_bytes_written) |
Writes the Bit per Component box. More... | |
static OPJ_BOOL | opj_jp2_read_bpcc (opj_jp2_t *jp2, OPJ_BYTE *p_bpc_header_data, OPJ_UINT32 p_bpc_header_size, opj_event_mgr_t *p_manager) |
Reads a Bit per Component box. More... | |
static OPJ_BOOL | opj_jp2_read_cdef (opj_jp2_t *jp2, OPJ_BYTE *p_cdef_header_data, OPJ_UINT32 p_cdef_header_size, opj_event_mgr_t *p_manager) |
static void | opj_jp2_apply_cdef (opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *) |
static OPJ_BYTE * | opj_jp2_write_cdef (opj_jp2_t *jp2, OPJ_UINT32 *p_nb_bytes_written) |
Writes the Channel Definition box. More... | |
static OPJ_BYTE * | opj_jp2_write_colr (opj_jp2_t *jp2, OPJ_UINT32 *p_nb_bytes_written) |
Writes the Colour Specification box. More... | |
static OPJ_BOOL | opj_jp2_write_ftyp (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
Writes a FTYP box - File type box. More... | |
static OPJ_BOOL | opj_jp2_read_ftyp (opj_jp2_t *jp2, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager) |
Reads a a FTYP box - File type box. More... | |
static OPJ_BOOL | opj_jp2_skip_jp2c (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
static OPJ_BOOL | opj_jp2_read_jp2h (opj_jp2_t *jp2, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager) |
Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). More... | |
static OPJ_BOOL | opj_jp2_write_jp2h (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box). More... | |
static OPJ_BOOL | opj_jp2_write_jp2c (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
Writes the Jpeg2000 codestream Header box - JP2C Header box. More... | |
static OPJ_BOOL | opj_jp2_read_jp (opj_jp2_t *jp2, OPJ_BYTE *p_header_data, OPJ_UINT32 p_header_size, opj_event_mgr_t *p_manager) |
Reads a jpeg2000 file signature box. More... | |
static OPJ_BOOL | opj_jp2_write_jp (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
Writes a jpeg2000 file signature box. More... | |
static OPJ_BOOL | opj_jp2_apply_pclr (opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager) |
Apply collected palette data. More... | |
static void | opj_jp2_free_pclr (opj_jp2_color_t *color) |
static OPJ_BOOL | opj_jp2_read_pclr (opj_jp2_t *jp2, OPJ_BYTE *p_pclr_header_data, OPJ_UINT32 p_pclr_header_size, opj_event_mgr_t *p_manager) |
Collect palette data. More... | |
static OPJ_BOOL | opj_jp2_read_cmap (opj_jp2_t *jp2, OPJ_BYTE *p_cmap_header_data, OPJ_UINT32 p_cmap_header_size, opj_event_mgr_t *p_manager) |
Collect component mapping data. More... | |
static OPJ_BOOL | opj_jp2_read_colr (opj_jp2_t *jp2, OPJ_BYTE *p_colr_header_data, OPJ_UINT32 p_colr_header_size, opj_event_mgr_t *p_manager) |
Reads the Color Specification box. More... | |
static OPJ_BOOL | opj_jp2_setup_end_header_writing (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the procedures to do on writing header after the codestream. More... | |
static OPJ_BOOL | opj_jp2_setup_end_header_reading (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the procedures to do on reading header after the codestream. More... | |
static OPJ_BOOL | opj_jp2_read_header_procedure (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
Reads a jpeg2000 file header structure. More... | |
static OPJ_BOOL | opj_jp2_exec (opj_jp2_t *jp2, opj_procedure_list_t *p_procedure_list, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
Executes the given procedures on the given codec. More... | |
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) |
Reads a box header. More... | |
static OPJ_BOOL | opj_jp2_setup_encoding_validation (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the validation ,i.e. More... | |
static OPJ_BOOL | opj_jp2_setup_header_writing (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the procedures to do on writing header. More... | |
static OPJ_BOOL | opj_jp2_default_validation (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
static const opj_jp2_header_handler_t * | opj_jp2_img_find_handler (OPJ_UINT32 p_id) |
Finds the image execution function related to the given box id. More... | |
static const opj_jp2_header_handler_t * | opj_jp2_find_handler (OPJ_UINT32 p_id) |
Finds the execution function related to the given box id. More... | |
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) |
Reads a box header. More... | |
static OPJ_BOOL | opj_jp2_setup_decoding_validation (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the validation ,i.e. More... | |
static OPJ_BOOL | opj_jp2_setup_header_reading (opj_jp2_t *jp2, opj_event_mgr_t *p_manager) |
Sets up the procedures to do on reading header. More... | |
static OPJ_BOOL | opj_jp2_check_color (opj_image_t *image, opj_jp2_color_t *color, opj_event_mgr_t *p_manager) |
OPJ_BOOL | opj_jp2_decode (opj_jp2_t *jp2, opj_stream_private_t *p_stream, opj_image_t *p_image, opj_event_mgr_t *p_manager) |
Decode an image from a JPEG-2000 file stream. More... | |
void | opj_jp2_setup_decoder (opj_jp2_t *jp2, opj_dparameters_t *parameters) |
Setup the decoder decoding parameters using user parameters. More... | |
void | opj_jp2_decoder_set_strict_mode (opj_jp2_t *jp2, OPJ_BOOL strict) |
Set the strict mode parameter. More... | |
OPJ_BOOL | opj_jp2_set_threads (opj_jp2_t *jp2, OPJ_UINT32 num_threads) |
Allocates worker threads for the compressor/decompressor. More... | |
OPJ_BOOL | opj_jp2_setup_encoder (opj_jp2_t *jp2, opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager) |
Setup the encoder parameters using the current image and using user parameters. More... | |
OPJ_BOOL | opj_jp2_encode (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
Encode an image into a JPEG-2000 file stream. More... | |
OPJ_BOOL | opj_jp2_end_decompress (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
Ends the decompression procedures and possibiliy add data to be read after the codestream. More... | |
OPJ_BOOL | opj_jp2_end_compress (opj_jp2_t *jp2, opj_stream_private_t *cio, opj_event_mgr_t *p_manager) |
Ends the compression procedures and possibiliy add data to be read after the codestream. More... | |
OPJ_BOOL | opj_jp2_start_compress (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_image_t *p_image, opj_event_mgr_t *p_manager) |
Starts a compression scheme, i.e. More... | |
static OPJ_BOOL | opj_jpip_skip_iptr (opj_jp2_t *jp2, opj_stream_private_t *stream, opj_event_mgr_t *p_manager) |
OPJ_BOOL | opj_jp2_read_header (opj_stream_private_t *p_stream, opj_jp2_t *jp2, opj_image_t **p_image, opj_event_mgr_t *p_manager) |
Reads a jpeg2000 file header structure. More... | |
OPJ_BOOL | opj_jp2_read_tile_header (opj_jp2_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) |
Reads a tile header. More... | |
OPJ_BOOL | opj_jp2_write_tile (opj_jp2_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) |
Writes a tile. More... | |
OPJ_BOOL | opj_jp2_decode_tile (opj_jp2_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. More... | |
void | opj_jp2_destroy (opj_jp2_t *jp2) |
Destroy a JP2 decompressor handle. More... | |
OPJ_BOOL | opj_jp2_set_decoded_components (opj_jp2_t *p_jp2, OPJ_UINT32 numcomps, const OPJ_UINT32 *comps_indices, opj_event_mgr_t *p_manager) |
Sets the indices of the components to decode. More... | |
OPJ_BOOL | opj_jp2_set_decode_area (opj_jp2_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) |
Sets the given area to be decoded. More... | |
OPJ_BOOL | opj_jp2_get_tile (opj_jp2_t *p_jp2, opj_stream_private_t *p_stream, opj_image_t *p_image, opj_event_mgr_t *p_manager, OPJ_UINT32 tile_index) |
opj_jp2_t * | opj_jp2_create (OPJ_BOOL p_is_decoder) |
Creates a jpeg2000 file decompressor. More... | |
void | jp2_dump (opj_jp2_t *p_jp2, OPJ_INT32 flag, FILE *out_stream) |
Dump some elements from the JP2 decompression structure . More... | |
opj_codestream_index_t * | jp2_get_cstr_index (opj_jp2_t *p_jp2) |
Get the codestream index from a JPEG2000 codec. More... | |
opj_codestream_info_v2_t * | jp2_get_cstr_info (opj_jp2_t *p_jp2) |
Get the codestream info from a JPEG2000 codec. More... | |
OPJ_BOOL | opj_jp2_set_decoded_resolution_factor (opj_jp2_t *p_jp2, OPJ_UINT32 res_factor, opj_event_mgr_t *p_manager) |
OPJ_BOOL | opj_jp2_encoder_set_extra_options (opj_jp2_t *p_jp2, const char *const *p_options, opj_event_mgr_t *p_manager) |
Specify extra options for the encoder. More... | |
#define OPJ_BOX_SIZE 1024 |
#define OPJ_UNUSED | ( | x | ) | (void)x |
Dump some elements from the JP2 decompression structure .
p_jp2 | the jp2 codec. |
flag | flag to describe what elements are dump. |
out_stream | output stream where dump the elements. |
References opj_jp2::j2k, and j2k_dump().
Referenced by opj_create_decompress().
opj_codestream_index_t* jp2_get_cstr_index | ( | opj_jp2_t * | p_jp2 | ) |
Get the codestream index from a JPEG2000 codec.
p_jp2 | jp2 codec. |
References opj_jp2::j2k, and j2k_get_cstr_index().
Referenced by opj_create_decompress().
opj_codestream_info_v2_t* jp2_get_cstr_info | ( | opj_jp2_t * | p_jp2 | ) |
Get the codestream info from a JPEG2000 codec.
p_jp2 | jp2 codec. |
References opj_jp2::j2k, and j2k_get_cstr_info().
Referenced by opj_create_decompress().
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References opj_image_comp::alpha, opj_jp2_cdef_info::asoc, opj_jp2_cdef_info::cn, opj_image::comps, EVT_WARNING, opj_tcd::image, opj_jp2_cdef::info, opj_jp2_color::jp2_cdef, opj_jp2_cdef::n, opj_image::numcomps, opj_event_msg(), opj_free(), and opj_jp2_cdef_info::typ.
Referenced by opj_jp2_decode(), and opj_jp2_get_tile().
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Apply collected palette data.
image | Image. |
color | Collector for profile, cdef and pclr data. |
p_manager | the user event manager. |
References opj_jp2_pclr::channel_sign, opj_jp2_pclr::channel_size, opj_jp2_pclr::cmap, opj_jp2_cmap_comp::cmp, opj_image::comps, opj_image_comp::data, opj_jp2_pclr::entries, EVT_ERROR, opj_image_comp::h, opj_tcd::image, opj_jp2_color::jp2_pclr, max(), opj_jp2_pclr::nr_channels, opj_jp2_pclr::nr_entries, opj_image::numcomps, opj_event_msg(), OPJ_FALSE, opj_free(), opj_image_data_alloc(), opj_image_data_free(), opj_malloc(), OPJ_TRUE, opj_jp2_cmap_comp::pcol, opj_image_comp::prec, opj_image_comp::sgnd, and opj_image_comp::w.
Referenced by opj_jp2_decode(), and opj_jp2_get_tile().
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References opj_jp2_pclr::cmap, EVT_ERROR, EVT_WARNING, opj_tcd::image, opj_jp2_cdef::info, opj_jp2_color::jp2_cdef, opj_jp2_color::jp2_pclr, opj_jp2_cmap_comp::mtyp, opj_jp2_cdef::n, opj_jp2_pclr::nr_channels, opj_image::numcomps, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_free(), OPJ_TRUE, and opj_jp2_cmap_comp::pcol.
Referenced by opj_jp2_decode(), and opj_jp2_get_tile().
Creates a jpeg2000 file decompressor.
References opj_jp2::color, opj_jp2_color::icc_profile_buf, opj_jp2_color::icc_profile_len, opj_jp2::j2k, opj_jp2_color::jp2_cdef, opj_jp2_color::jp2_has_colr, opj_jp2_color::jp2_pclr, opj_jp2::m_procedure_list, opj_jp2::m_validation_list, opj_calloc(), opj_j2k_create_compress(), opj_j2k_create_decompress(), opj_jp2_destroy(), and opj_procedure_list_create().
Referenced by opj_create_compress(), and opj_create_decompress().
OPJ_BOOL opj_jp2_decode | ( | opj_jp2_t * | jp2, |
opj_stream_private_t * | p_stream, | ||
opj_image_t * | p_image, | ||
opj_event_mgr_t * | p_manager | ||
) |
Decode an image from a JPEG-2000 file stream.
jp2 | JP2 decompressor handle |
p_stream | FIXME DOC |
p_image | FIXME DOC |
p_manager | FIXME DOC |
References opj_jp2_pclr::cmap, opj_jp2::color, opj_image::color_space, opj_jp2::enumcs, EVT_ERROR, opj_jp2_color::icc_profile_buf, opj_image::icc_profile_buf, opj_jp2_color::icc_profile_len, opj_image::icc_profile_len, opj_jp2::ignore_pclr_cmap_cdef, opj_jp2::j2k, opj_jp2_color::jp2_cdef, opj_jp2_color::jp2_pclr, opj_j2k::m_decoder, opj_j2k_dec::m_numcomps_to_decode, opj_j2k::m_specific_param, OPJ_CLRSPC_CMYK, OPJ_CLRSPC_EYCC, OPJ_CLRSPC_GRAY, OPJ_CLRSPC_SRGB, OPJ_CLRSPC_SYCC, OPJ_CLRSPC_UNKNOWN, opj_event_msg(), OPJ_FALSE, opj_j2k_decode(), opj_jp2_apply_cdef(), opj_jp2_apply_pclr(), opj_jp2_check_color(), opj_jp2_free_pclr(), and OPJ_TRUE.
Referenced by opj_create_decompress().
OPJ_BOOL opj_jp2_decode_tile | ( | opj_jp2_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.
p_jp2 | the jpeg2000 codec. |
p_tile_index | FIXME DOC |
p_data | FIXME DOC |
p_data_size | FIXME DOC |
p_stream | the stream to write data to. |
p_manager | the user event manager. |
References opj_jp2::j2k, and opj_j2k_decode_tile().
Referenced by opj_create_decompress().
Set the strict mode parameter.
When strict mode is enabled, the entire bitstream must be decoded or an error is returned. When it is disabled, the decoder will decode partial bitstreams.
jp2 | JP2 decompressor handle |
strict | OPJ_TRUE for strict mode |
References opj_jp2::j2k, and opj_j2k_decoder_set_strict_mode().
Referenced by opj_create_decompress().
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References opj_jp2_comps::bpcc, opj_jp2::comps, opj_jp2::h, opj_jp2::j2k, opj_jp2::jp2_img_state, JP2_IMG_STATE_NONE, opj_jp2::jp2_state, JP2_STATE_NONE, opj_jp2::m_procedure_list, opj_jp2::m_validation_list, opj_jp2::meth, opj_jp2::numcl, opj_jp2::numcomps, opj_stream_has_seek(), OPJ_TRUE, OPJ_UNUSED, and opj_jp2::w.
Referenced by opj_jp2_setup_encoding_validation().
void opj_jp2_destroy | ( | opj_jp2_t * | jp2 | ) |
Destroy a JP2 decompressor handle.
jp2 | JP2 decompressor handle to destroy |
References opj_jp2_pclr::channel_sign, opj_jp2_pclr::channel_size, opj_jp2::cl, opj_jp2_pclr::cmap, opj_jp2::color, opj_jp2::comps, opj_jp2_pclr::entries, opj_jp2_color::icc_profile_buf, opj_jp2_cdef::info, opj_jp2::j2k, opj_jp2_color::jp2_cdef, opj_jp2_color::jp2_pclr, opj_jp2::m_procedure_list, opj_jp2::m_validation_list, opj_free(), opj_j2k_destroy(), and opj_procedure_list_destroy().
Referenced by opj_create_compress(), opj_create_decompress(), and opj_jp2_create().
OPJ_BOOL opj_jp2_encode | ( | opj_jp2_t * | jp2, |
opj_stream_private_t * | stream, | ||
opj_event_mgr_t * | p_manager | ||
) |
Encode an image into a JPEG-2000 file stream.
jp2 | JP2 compressor handle |
stream | Output buffer stream |
p_manager | event manager |
References opj_jp2::j2k, and opj_j2k_encode().
Referenced by opj_create_compress().
OPJ_BOOL opj_jp2_encoder_set_extra_options | ( | opj_jp2_t * | p_jp2, |
const char *const * | p_options, | ||
opj_event_mgr_t * | p_manager | ||
) |
Specify extra options for the encoder.
p_jp2 | the jpeg2000 codec. |
p_options | options |
p_manager | the user event manager |
References opj_jp2::j2k, and opj_j2k_encoder_set_extra_options().
Referenced by opj_create_compress().
OPJ_BOOL opj_jp2_end_compress | ( | opj_jp2_t * | jp2, |
opj_stream_private_t * | cio, | ||
opj_event_mgr_t * | p_manager | ||
) |
Ends the compression procedures and possibiliy add data to be read after the codestream.
References opj_jp2::j2k, opj_jp2::m_procedure_list, OPJ_FALSE, opj_j2k_end_compress(), opj_jp2_exec(), and opj_jp2_setup_end_header_writing().
Referenced by opj_create_compress().
OPJ_BOOL opj_jp2_end_decompress | ( | opj_jp2_t * | jp2, |
opj_stream_private_t * | cio, | ||
opj_event_mgr_t * | p_manager | ||
) |
Ends the decompression procedures and possibiliy add data to be read after the codestream.
References opj_jp2::j2k, opj_jp2::m_procedure_list, OPJ_FALSE, opj_j2k_end_decompress(), opj_jp2_exec(), and opj_jp2_setup_end_header_reading().
Referenced by opj_create_decompress().
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Executes the given procedures on the given codec.
p_procedure_list | the list of procedures to execute |
jp2 | the jpeg2000 file codec to execute the procedures on. |
stream | the stream to execute the procedures on. |
p_manager | the user manager. |
References opj_procedure_list_clear(), opj_procedure_list_get_first_procedure(), opj_procedure_list_get_nb_procedures(), and OPJ_TRUE.
Referenced by opj_jp2_end_compress(), opj_jp2_end_decompress(), opj_jp2_read_header(), and opj_jp2_start_compress().
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Finds the execution function related to the given box id.
p_id | the id of the handler to fetch. |
References jp2_header.
Referenced by opj_jp2_read_header_procedure().
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References opj_jp2_pclr::channel_sign, opj_jp2_pclr::channel_size, opj_jp2_pclr::cmap, opj_jp2_pclr::entries, opj_jp2_color::jp2_pclr, and opj_free().
Referenced by opj_jp2_decode(), and opj_jp2_get_tile().
OPJ_BOOL opj_jp2_get_tile | ( | opj_jp2_t * | p_jp2, |
opj_stream_private_t * | p_stream, | ||
opj_image_t * | p_image, | ||
opj_event_mgr_t * | p_manager, | ||
OPJ_UINT32 | tile_index | ||
) |
References opj_jp2_pclr::cmap, opj_jp2::color, opj_image::color_space, opj_jp2::enumcs, EVT_ERROR, EVT_WARNING, opj_jp2_color::icc_profile_buf, opj_image::icc_profile_buf, opj_jp2_color::icc_profile_len, opj_image::icc_profile_len, opj_jp2::j2k, opj_jp2_color::jp2_cdef, opj_jp2_color::jp2_pclr, opj_j2k::m_decoder, opj_j2k_dec::m_numcomps_to_decode, opj_j2k::m_specific_param, OPJ_CLRSPC_CMYK, OPJ_CLRSPC_EYCC, OPJ_CLRSPC_GRAY, OPJ_CLRSPC_SRGB, OPJ_CLRSPC_SYCC, OPJ_CLRSPC_UNKNOWN, opj_event_msg(), OPJ_FALSE, opj_j2k_get_tile(), opj_jp2_apply_cdef(), opj_jp2_apply_pclr(), opj_jp2_check_color(), opj_jp2_free_pclr(), and OPJ_TRUE.
Referenced by opj_create_decompress().
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Finds the image execution function related to the given box id.
p_id | the id of the handler to fetch. |
p_id | the id of the handler to fetch. |
References jp2_img_header.
Referenced by opj_jp2_read_header_procedure(), and opj_jp2_read_jp2h().
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Reads a box header.
The box is the way data is packed inside a jpeg2000 file structure.
cio | the input stream to read data from. |
box | the box structure to fill. |
p_number_bytes_read | pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). |
p_manager | user event manager. |
References EVT_ERROR, opj_jp2_box::length, opj_event_msg(), OPJ_FALSE, opj_read_bytes, opj_stream_get_number_byte_left(), opj_stream_read_data(), OPJ_TRUE, and opj_jp2_box::type.
Referenced by opj_jp2_read_header_procedure().
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Reads a box header.
The box is the way data is packed inside a jpeg2000 file structure. Data is read from a character string
box | the box structure to fill. |
p_data | the character string to read data from. |
p_number_bytes_read | pointer to an int that will store the number of bytes read from the stream (shoul usually be 2). |
p_box_max_size | the maximum number of bytes in the box. |
p_manager | FIXME DOC |
References EVT_ERROR, opj_jp2_box::length, opj_event_msg(), OPJ_FALSE, opj_read_bytes, OPJ_TRUE, and opj_jp2_box::type.
Referenced by opj_jp2_read_jp2h().
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Reads a Bit per Component box.
p_bpc_header_data | pointer to actual data (already read from file) |
jp2 | the jpeg2000 file codec. |
p_bpc_header_size | the size of the bpc header |
p_manager | the user event manager. |
References opj_jp2::bpc, opj_jp2_comps::bpcc, opj_jp2::comps, EVT_ERROR, EVT_WARNING, opj_jp2::numcomps, opj_event_msg(), OPJ_FALSE, opj_read_bytes, and OPJ_TRUE.
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Collect component mapping data.
jp2 | JP2 handle |
p_cmap_header_data | FIXME DOC |
p_cmap_header_size | FIXME DOC |
p_manager | FIXME DOC |
References opj_jp2_pclr::cmap, opj_jp2_cmap_comp::cmp, opj_jp2::color, EVT_ERROR, opj_jp2_color::jp2_pclr, opj_jp2_cmap_comp::mtyp, opj_jp2_pclr::nr_channels, opj_event_msg(), OPJ_FALSE, opj_malloc(), opj_read_bytes, OPJ_TRUE, and opj_jp2_cmap_comp::pcol.
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Reads the Color Specification box.
p_colr_header_data | pointer to actual data (already read from file) |
jp2 | the jpeg2000 file codec. |
p_colr_header_size | the size of the color header |
p_manager | the user event manager. |
References opj_jp2::approx, opj_jp2::color, opj_jp2::enumcs, EVT_ERROR, EVT_INFO, EVT_WARNING, opj_jp2_color::icc_profile_buf, opj_jp2_color::icc_profile_len, opj_jp2_color::jp2_has_colr, opj_jp2::meth, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_malloc(), opj_read_bytes, OPJ_TRUE, and opj_jp2::precedence.
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Reads a a FTYP box - File type box.
p_header_data | the data contained in the FTYP box. |
jp2 | the jpeg2000 file codec. |
p_header_size | the size of the data contained in the FTYP box. |
p_manager | the user event manager. |
References opj_jp2::brand, opj_jp2::cl, EVT_ERROR, opj_jp2::jp2_state, JP2_STATE_FILE_TYPE, JP2_STATE_SIGNATURE, opj_jp2::minversion, opj_jp2::numcl, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_read_bytes, and OPJ_TRUE.
OPJ_BOOL opj_jp2_read_header | ( | opj_stream_private_t * | p_stream, |
opj_jp2_t * | jp2, | ||
opj_image_t ** | p_image, | ||
opj_event_mgr_t * | p_manager | ||
) |
Reads a jpeg2000 file header structure.
p_stream | the stream to read data from. |
jp2 | the jpeg2000 file header structure. |
p_image | FIXME DOC |
p_manager | the user event manager. |
References EVT_ERROR, opj_jp2::has_ihdr, opj_jp2::has_jp2h, opj_jp2::j2k, opj_jp2::m_procedure_list, opj_jp2::m_validation_list, opj_event_msg(), OPJ_FALSE, opj_j2k_read_header(), opj_jp2_exec(), opj_jp2_setup_decoding_validation(), and opj_jp2_setup_header_reading().
Referenced by opj_create_decompress().
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Reads a jpeg2000 file header structure.
jp2 | the jpeg2000 file header structure. |
stream | the stream to read data from. |
p_manager | the user event manager. |
References EVT_ERROR, EVT_WARNING, opj_jp2_header_handler::handler, JP2_JP2C, opj_jp2::jp2_state, JP2_STATE_CODESTREAM, JP2_STATE_FILE_TYPE, JP2_STATE_HEADER, JP2_STATE_SIGNATURE, JP2_STATE_UNKNOWN, opj_jp2_box::length, OPJ_BOX_SIZE, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_free(), opj_jp2_find_handler(), opj_jp2_img_find_handler(), opj_jp2_read_boxhdr(), opj_realloc(), opj_stream_get_number_byte_left(), opj_stream_read_data(), opj_stream_skip(), OPJ_TRUE, and opj_jp2_box::type.
Referenced by opj_jp2_setup_end_header_reading(), and opj_jp2_setup_header_reading().
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Reads a IHDR box - Image Header box.
p_image_header_data | pointer to actual data (already read from file) |
jp2 | the jpeg2000 file codec. |
p_image_header_size | the size of the image header |
p_manager | the user event manager. |
References opj_cp::allow_different_bit_depth_sign, opj_jp2::bpc, opj_jp2::C, opj_jp2::comps, EVT_ERROR, EVT_INFO, EVT_WARNING, opj_jp2::h, opj_jp2::has_ihdr, opj_j2k::ihdr_h, opj_j2k::ihdr_w, opj_jp2::IPR, opj_jp2::j2k, opj_j2k::m_cp, opj_jp2::numcomps, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_read_bytes, OPJ_TRUE, opj_jp2::UnkC, and opj_jp2::w.
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Reads a jpeg2000 file signature box.
p_header_data | the data contained in the signature box. |
jp2 | the jpeg2000 file codec. |
p_header_size | the size of the data contained in the signature box. |
p_manager | the user event manager. |
References EVT_ERROR, opj_jp2::jp2_state, JP2_STATE_NONE, JP2_STATE_SIGNATURE, opj_event_msg(), OPJ_FALSE, opj_read_bytes, and OPJ_TRUE.
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Reads the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
p_header_data | the data contained in the file header box. |
jp2 | the jpeg2000 file codec. |
p_header_size | the size of the data contained in the file header box. |
p_manager | the user event manager. |
References EVT_ERROR, opj_jp2_header_handler::handler, opj_jp2::has_jp2h, JP2_IHDR, opj_jp2::jp2_img_state, JP2_IMG_STATE_NONE, JP2_IMG_STATE_UNKNOWN, opj_jp2::jp2_state, JP2_STATE_FILE_TYPE, JP2_STATE_HEADER, opj_jp2_box::length, opj_event_msg(), OPJ_FALSE, opj_jp2_img_find_handler(), opj_jp2_read_boxhdr_char(), OPJ_TRUE, and opj_jp2_box::type.
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Collect palette data.
jp2 | JP2 handle |
p_pclr_header_data | FIXME DOC |
p_pclr_header_size | FIXME DOC |
p_manager |
References opj_jp2_pclr::channel_sign, opj_jp2_pclr::channel_size, opj_jp2_pclr::cmap, opj_jp2::color, opj_jp2_pclr::entries, EVT_ERROR, opj_jp2_color::jp2_pclr, opj_jp2_pclr::nr_channels, opj_jp2_pclr::nr_entries, opj_event_msg(), OPJ_FALSE, opj_free(), opj_malloc(), opj_read_bytes, and OPJ_TRUE.
OPJ_BOOL opj_jp2_read_tile_header | ( | opj_jp2_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 | ||
) |
Reads a tile header.
p_jp2 | the jpeg2000 codec. |
p_tile_index | FIXME DOC |
p_data_size | FIXME DOC |
p_tile_x0 | FIXME DOC |
p_tile_y0 | FIXME DOC |
p_tile_x1 | FIXME DOC |
p_tile_y1 | FIXME DOC |
p_nb_comps | FIXME DOC |
p_go_on | FIXME DOC |
p_stream | the stream to write data to. |
p_manager | the user event manager. |
References opj_jp2::j2k, and opj_j2k_read_tile_header().
Referenced by opj_create_decompress().
OPJ_BOOL opj_jp2_set_decode_area | ( | opj_jp2_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 | ||
) |
Sets the given area to be decoded.
This function should be called right after opj_read_header and before any tile header reading.
p_jp2 | the jpeg2000 codec. |
p_image | FIXME DOC |
p_start_x | the left position of the rectangle to decode (in image coordinates). |
p_start_y | the up position of the rectangle to decode (in image coordinates). |
p_end_x | the right position of the rectangle to decode (in image coordinates). |
p_end_y | the bottom position of the rectangle to decode (in image coordinates). |
p_manager | the user event manager |
References opj_jp2::j2k, and opj_j2k_set_decode_area().
Referenced by opj_create_decompress().
OPJ_BOOL opj_jp2_set_decoded_components | ( | opj_jp2_t * | jp2, |
OPJ_UINT32 | numcomps, | ||
const OPJ_UINT32 * | comps_indices, | ||
opj_event_mgr_t * | p_manager | ||
) |
Sets the indices of the components to decode.
jp2 | JP2 decompressor handle |
numcomps | Number of components to decode. |
comps_indices | Array of num_compts indices (numbering starting at 0) corresponding to the components to decode. |
p_manager | Event manager; |
References opj_jp2::j2k, and opj_j2k_set_decoded_components().
Referenced by opj_create_decompress().
OPJ_BOOL opj_jp2_set_decoded_resolution_factor | ( | opj_jp2_t * | p_jp2, |
OPJ_UINT32 | res_factor, | ||
opj_event_mgr_t * | p_manager | ||
) |
References opj_jp2::j2k, and opj_j2k_set_decoded_resolution_factor().
Referenced by opj_create_decompress().
OPJ_BOOL opj_jp2_set_threads | ( | opj_jp2_t * | jp2, |
OPJ_UINT32 | num_threads | ||
) |
Allocates worker threads for the compressor/decompressor.
jp2 | JP2 decompressor handle |
num_threads | Number of threads. |
References opj_jp2::j2k, and opj_j2k_set_threads().
Referenced by opj_create_compress(), and opj_create_decompress().
void opj_jp2_setup_decoder | ( | opj_jp2_t * | jp2, |
opj_dparameters_t * | parameters | ||
) |
Setup the decoder decoding parameters using user parameters.
Decoding parameters are returned in jp2->j2k->cp.
jp2 | JP2 decompressor handle |
parameters | decompression parameters |
References opj_jp2::color, opj_dparameters::flags, opj_jp2::ignore_pclr_cmap_cdef, opj_jp2::j2k, opj_jp2_color::jp2_has_colr, OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG, and opj_j2k_setup_decoder().
Referenced by opj_create_decompress().
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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.
References OPJ_TRUE, and OPJ_UNUSED.
Referenced by opj_jp2_read_header().
OPJ_BOOL opj_jp2_setup_encoder | ( | opj_jp2_t * | jp2, |
opj_cparameters_t * | parameters, | ||
opj_image_t * | image, | ||
opj_event_mgr_t * | p_manager | ||
) |
Setup the encoder parameters using the current image and using user parameters.
Coding parameters are returned in jp2->j2k->cp.
jp2 | JP2 compressor handle |
parameters | compression parameters |
image | input filled image |
p_manager | FIXME DOC |
References opj_image_comp::alpha, opj_jp2::approx, opj_jp2_cdef_info::asoc, opj_jp2::bpc, opj_jp2_comps::bpcc, opj_jp2::brand, opj_jp2::C, opj_jp2::cl, opj_jp2_cdef_info::cn, opj_jp2::color, opj_image::color_space, opj_jp2::comps, opj_image::comps, opj_jp2::enumcs, EVT_ERROR, EVT_WARNING, opj_jp2::h, opj_image::icc_profile_len, opj_tcd::image, opj_jp2_cdef::info, opj_jp2::IPR, opj_jp2::j2k, opj_jp2_color::jp2_cdef, JP2_JP2, opj_jp2::jpip_on, opj_cparameters::jpip_on, opj_jp2::meth, opj_jp2::minversion, opj_jp2_cdef::n, opj_jp2::numcl, opj_jp2::numcomps, opj_image::numcomps, opj_event_msg(), OPJ_FALSE, opj_j2k_setup_encoder(), opj_malloc(), OPJ_TRUE, opj_image_comp::prec, opj_jp2::precedence, opj_image_comp::sgnd, opj_jp2_cdef_info::typ, opj_jp2::UnkC, opj_jp2::w, opj_image::x0, opj_image::x1, opj_image::y0, and opj_image::y1.
Referenced by opj_create_compress().
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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.
References opj_jp2::m_validation_list, OPJ_FALSE, opj_jp2_default_validation(), opj_procedure_list_add_procedure(), and OPJ_TRUE.
Referenced by opj_jp2_start_compress().
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Sets up the procedures to do on reading header after the codestream.
Developers wanting to extend the library can add their own writing procedures.
References opj_jp2::m_procedure_list, OPJ_FALSE, opj_jp2_read_header_procedure(), opj_procedure_list_add_procedure(), and OPJ_TRUE.
Referenced by opj_jp2_end_decompress().
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Sets up the procedures to do on writing header after the codestream.
Developers wanting to extend the library can add their own writing procedures.
References opj_jp2::jpip_on, opj_jp2::m_procedure_list, OPJ_FALSE, opj_jp2_write_jp2c(), opj_procedure_list_add_procedure(), and OPJ_TRUE.
Referenced by opj_jp2_end_compress().
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Sets up the procedures to do on reading header.
Developers wanting to extend the library can add their own writing procedures.
References opj_jp2::m_procedure_list, OPJ_FALSE, opj_jp2_read_header_procedure(), opj_procedure_list_add_procedure(), and OPJ_TRUE.
Referenced by opj_jp2_read_header().
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Sets up the procedures to do on writing header.
Developers wanting to extend the library can add their own writing procedures.
References opj_jp2::jpip_on, opj_jp2::m_procedure_list, OPJ_FALSE, opj_jp2_skip_jp2c(), opj_jp2_write_ftyp(), opj_jp2_write_jp(), opj_jp2_write_jp2h(), opj_jpip_skip_iptr(), opj_procedure_list_add_procedure(), and OPJ_TRUE.
Referenced by opj_jp2_start_compress().
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References opj_jp2::j2k_codestream_offset, OPJ_FALSE, opj_stream_skip(), opj_stream_tell(), and OPJ_TRUE.
Referenced by opj_jp2_setup_header_writing().
OPJ_BOOL opj_jp2_start_compress | ( | opj_jp2_t * | jp2, |
opj_stream_private_t * | stream, | ||
opj_image_t * | p_image, | ||
opj_event_mgr_t * | p_manager | ||
) |
Starts a compression scheme, i.e.
validates the codec parameters, writes the header.
jp2 | the jpeg2000 file codec. |
stream | the stream object. |
p_image | FIXME DOC |
p_manager | FIXME DOC |
References opj_jp2::j2k, opj_jp2::m_procedure_list, opj_jp2::m_validation_list, OPJ_FALSE, opj_j2k_start_compress(), opj_jp2_exec(), opj_jp2_setup_encoding_validation(), and opj_jp2_setup_header_writing().
Referenced by opj_create_compress().
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Writes the Bit per Component box.
jp2 | jpeg2000 file codec. |
p_nb_bytes_written | pointer to store the nb of bytes written by the function. |
References opj_jp2_comps::bpcc, opj_jp2::comps, JP2_BPCC, opj_jp2::numcomps, opj_calloc(), and opj_write_bytes.
Referenced by opj_jp2_write_jp2h().
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Writes the Channel Definition box.
jp2 | jpeg2000 file codec. |
p_nb_bytes_written | pointer to store the nb of bytes written by the function. |
References opj_jp2_cdef_info::asoc, opj_jp2_cdef_info::cn, opj_jp2::color, opj_jp2_cdef::info, JP2_CDEF, opj_jp2_color::jp2_cdef, opj_jp2_cdef::n, opj_malloc(), opj_write_bytes, and opj_jp2_cdef_info::typ.
Referenced by opj_jp2_write_jp2h().
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Writes the Colour Specification box.
jp2 | jpeg2000 file codec. |
p_nb_bytes_written | pointer to store the nb of bytes written by the function. |
References opj_jp2::approx, opj_jp2::color, opj_jp2::enumcs, opj_jp2_color::icc_profile_buf, opj_jp2_color::icc_profile_len, JP2_COLR, opj_jp2::meth, opj_calloc(), opj_write_bytes, and opj_jp2::precedence.
Referenced by opj_jp2_write_jp2h().
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Writes a FTYP box - File type box.
cio | the stream to write data to. |
jp2 | the jpeg2000 file codec. |
p_manager | the user event manager. |
References opj_jp2::brand, opj_jp2::cl, EVT_ERROR, JP2_FTYP, opj_jp2::minversion, opj_jp2::numcl, opj_calloc(), opj_event_msg(), OPJ_FALSE, opj_free(), opj_stream_write_data(), and opj_write_bytes.
Referenced by opj_jp2_setup_header_writing().
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Writes the Image Header box - Image Header box.
jp2 | jpeg2000 file codec. |
p_nb_bytes_written | pointer to store the nb of bytes written by the function. |
References opj_jp2::bpc, opj_jp2::C, opj_jp2::h, opj_jp2::IPR, JP2_IHDR, opj_jp2::numcomps, opj_calloc(), opj_write_bytes, opj_jp2::UnkC, and opj_jp2::w.
Referenced by opj_jp2_write_jp2h().
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Writes a jpeg2000 file signature box.
cio | the stream to write data to. |
jp2 | the jpeg2000 file codec. |
p_manager | the user event manager. |
References JP2_JP, OPJ_FALSE, opj_stream_write_data(), OPJ_TRUE, OPJ_UNUSED, and opj_write_bytes.
Referenced by opj_jp2_setup_header_writing().
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Writes the Jpeg2000 codestream Header box - JP2C Header box.
This function must be called AFTER the coding has been done.
cio | the stream to write data to. |
jp2 | the jpeg2000 file codec. |
p_manager | user event manager. |
References EVT_ERROR, opj_jp2::j2k_codestream_offset, JP2_JP2C, opj_event_msg(), OPJ_FALSE, opj_stream_has_seek(), opj_stream_seek(), opj_stream_tell(), opj_stream_write_data(), OPJ_TRUE, and opj_write_bytes.
Referenced by opj_jp2_setup_end_header_writing().
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Writes the Jpeg2000 file Header box - JP2 Header box (warning, this is a super box).
jp2 | the jpeg2000 file codec. |
stream | the stream to write data to. |
p_manager | user event manager. |
References opj_jp2::bpc, opj_jp2::color, EVT_ERROR, opj_jp2_img_header_writer_handler::handler, opj_jp2_color::jp2_cdef, JP2_JP2H, opj_jp2_img_header_writer_handler::m_data, opj_jp2_img_header_writer_handler::m_size, opj_event_msg(), OPJ_FALSE, opj_free(), opj_jp2_write_bpcc(), opj_jp2_write_cdef(), opj_jp2_write_colr(), opj_jp2_write_ihdr(), opj_stream_write_data(), OPJ_TRUE, and opj_write_bytes.
Referenced by opj_jp2_setup_header_writing().
OPJ_BOOL opj_jp2_write_tile | ( | opj_jp2_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 | ||
) |
Writes a tile.
p_jp2 | the jpeg2000 codec. |
p_tile_index | FIXME DOC |
p_data | FIXME DOC |
p_data_size | FIXME DOC |
p_stream | the stream to write data to. |
p_manager | the user event manager. |
References opj_jp2::j2k, and opj_j2k_write_tile().
Referenced by opj_create_compress().
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References opj_jp2::jpip_iptr_offset, OPJ_FALSE, opj_stream_skip(), opj_stream_tell(), and OPJ_TRUE.
Referenced by opj_jp2_setup_header_writing().
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Referenced by opj_jp2_find_handler().
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Referenced by opj_jp2_img_find_handler().