diff options
Diffstat (limited to 'extern/libopenjpeg/cio.h')
| -rw-r--r-- | extern/libopenjpeg/cio.h | 378 |
1 files changed, 36 insertions, 342 deletions
diff --git a/extern/libopenjpeg/cio.h b/extern/libopenjpeg/cio.h index 6dfa5bb847b..e62743141ca 100644 --- a/extern/libopenjpeg/cio.h +++ b/extern/libopenjpeg/cio.h @@ -1,18 +1,10 @@ /* - * The copyright in this software is being made available under the 2-clauses - * BSD License, included below. This software may be subject to other third - * party and contributor rights, including patent rights, and no such rights - * are granted under this license. - * - * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2007, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux - * Copyright (c) 2003-2014, Antonin Descampe + * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR - * Copyright (c) 2012, CS Systemes d'Information, France * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -39,6 +31,13 @@ #ifndef __CIO_H #define __CIO_H + +#if defined(_MSC_VER) || defined(__BORLANDC__) +#define int64 __int64 +#else +#define int64 long long +#endif + /** @file cio.h @brief Implementation of a byte input-output process (CIO) @@ -49,351 +48,46 @@ The functions in CIO.C have for goal to realize a byte input / output process. /** @defgroup CIO CIO - byte input-output stream */ /*@{*/ -#include "opj_config_private.h" - -/* ----------------------------------------------------------------------- */ - -#if defined(OPJ_BIG_ENDIAN) - #define opj_write_bytes opj_write_bytes_BE - #define opj_read_bytes opj_read_bytes_BE - #define opj_write_double opj_write_double_BE - #define opj_read_double opj_read_double_BE - #define opj_write_float opj_write_float_BE - #define opj_read_float opj_read_float_BE -#else - #define opj_write_bytes opj_write_bytes_LE - #define opj_read_bytes opj_read_bytes_LE - #define opj_write_double opj_write_double_LE - #define opj_read_double opj_read_double_LE - #define opj_write_float opj_write_float_LE - #define opj_read_float opj_read_float_LE -#endif - - - -typedef enum -{ - opj_signed_sentinel = -1, /* do not use in code */ - opj_stream_e_output = 0x1, - opj_stream_e_input = 0x2, - opj_stream_e_end = 0x4, - opj_stream_e_error = 0x8 -} -opj_stream_flag ; - -/** -Byte input-output stream. -*/ -typedef struct opj_stream_private -{ - /** - * User data, be it files, ... The actual data depends on the type of the stream. - */ - void * m_user_data; - - /** - * Pointer to function to free m_user_data (NULL at initialization) - * when destroying the stream. If pointer is NULL the function is not - * called and the m_user_data is not freed (even if non-NULL). - */ - opj_stream_free_user_data_fn m_free_user_data_fn; - - /** - * User data length - */ - OPJ_UINT64 m_user_data_length; - - /** - * Pointer to actual read function (NULL at the initialization of the cio. - */ - opj_stream_read_fn m_read_fn; - - /** - * Pointer to actual write function (NULL at the initialization of the cio. - */ - opj_stream_write_fn m_write_fn; - - /** - * Pointer to actual skip function (NULL at the initialization of the cio. - * There is no seek function to prevent from back and forth slow procedures. - */ - opj_stream_skip_fn m_skip_fn; - - /** - * Pointer to actual seek function (if available). - */ - opj_stream_seek_fn m_seek_fn; - - /** - * Actual data stored into the stream if readed from. Data is read by chunk of fixed size. - * you should never access this data directly. - */ - OPJ_BYTE * m_stored_data; - - /** - * Pointer to the current read data. - */ - OPJ_BYTE * m_current_data; - - /** - * FIXME DOC. - */ - OPJ_OFF_T (* m_opj_skip)(struct opj_stream_private * ,OPJ_OFF_T , struct opj_event_mgr *); - - /** - * FIXME DOC. - */ - OPJ_BOOL (* m_opj_seek) (struct opj_stream_private * , OPJ_OFF_T , struct opj_event_mgr *); - - /** - * number of bytes containing in the buffer. - */ - OPJ_SIZE_T m_bytes_in_buffer; - - /** - * The number of bytes read/written from the beginning of the stream - */ - OPJ_OFF_T m_byte_offset; - - /** - * The size of the buffer. - */ - OPJ_SIZE_T m_buffer_size; - - /** - * Flags to tell the status of the stream. - */ - opj_stream_flag m_status; - -} -opj_stream_private_t; - /** @name Exported functions (see also openjpeg.h) */ /*@{*/ /* ----------------------------------------------------------------------- */ /** - * Write some bytes to the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - * @param p_nb_bytes the number of bytes to write +Number of bytes left before the end of the stream +@param cio CIO handle +@return Returns the number of bytes before the end of the stream */ -void opj_write_bytes_BE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes); - -/** - * Reads some bytes from the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - * @param p_nb_bytes the nb bytes to read. - * @return the number of bytes read or -1 if an error occured. - */ -void opj_read_bytes_BE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT32 p_nb_bytes); - +int cio_numbytesleft(opj_cio_t *cio); /** - * Write some bytes to the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - * @param p_nb_bytes the number of bytes to write - * @return the number of bytes written or -1 if an error occured +Get pointer to the current position in the stream +@param cio CIO handle +@return Returns a pointer to the current position */ -void opj_write_bytes_LE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes); - +unsigned char *cio_getbp(opj_cio_t *cio); /** - * Reads some bytes from the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - * @param p_nb_bytes the nb bytes to read. - * @return the number of bytes read or -1 if an error occured. - */ -void opj_read_bytes_LE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT32 p_nb_bytes); - - -/** - * Write some bytes to the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - */ -void opj_write_double_LE(OPJ_BYTE * p_buffer, OPJ_FLOAT64 p_value); - -/*** - * Write some bytes to the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - */ -void opj_write_double_BE(OPJ_BYTE * p_buffer, OPJ_FLOAT64 p_value); - -/** - * Reads some bytes from the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - */ -void opj_read_double_LE(const OPJ_BYTE * p_buffer, OPJ_FLOAT64 * p_value); - -/** - * Reads some bytes from the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - */ -void opj_read_double_BE(const OPJ_BYTE * p_buffer, OPJ_FLOAT64 * p_value); - -/** - * Reads some bytes from the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - */ -void opj_read_float_LE(const OPJ_BYTE * p_buffer, OPJ_FLOAT32 * p_value); - -/** - * Reads some bytes from the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to read data from. - * @param p_value pointer to the value that will store the data. - */ -void opj_read_float_BE(const OPJ_BYTE * p_buffer, OPJ_FLOAT32 * p_value); - -/** - * Write some bytes to the given data buffer, this function is used in Little Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - */ -void opj_write_float_LE(OPJ_BYTE * p_buffer, OPJ_FLOAT32 p_value); - -/*** - * Write some bytes to the given data buffer, this function is used in Big Endian cpus. - * @param p_buffer pointer the data buffer to write data to. - * @param p_value the value to write - */ -void opj_write_float_BE(OPJ_BYTE * p_buffer, OPJ_FLOAT32 p_value); - -/** - * Reads some bytes from the stream. - * @param p_stream the stream to read data from. - * @param p_buffer pointer to the data buffer that will receive the data. - * @param p_size number of bytes to read. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes read, or -1 if an error occured or if the stream is at the end. - */ -OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_buffer, OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Writes some bytes to the stream. - * @param p_stream the stream to write data to. - * @param p_buffer pointer to the data buffer holds the data to be writtent. - * @param p_size number of bytes to write. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes writtent, or -1 if an error occured. - */ -OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE * p_buffer, OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Writes the content of the stream buffer to the stream. - * @param p_stream the stream to write data to. - * @param p_event_mgr the user event manager to be notified of special events. - * @return true if the data could be flushed, false else. - */ -OPJ_BOOL opj_stream_flush (opj_stream_private_t * p_stream, struct opj_event_mgr * p_event_mgr); - -/** - * Skips a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes skipped, or -1 if an error occured. - */ -OPJ_OFF_T opj_stream_skip (opj_stream_private_t * p_stream,OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Tells the byte offset on the stream (similar to ftell). - * - * @param p_stream the stream to get the information from. - * - * @return the current position o fthe stream. - */ -OPJ_OFF_T opj_stream_tell (const opj_stream_private_t * p_stream); - - -/** - * Get the number of bytes left before the end of the stream (similar to cio_numbytesleft). - * - * @param p_stream the stream to get the information from. - * - * @return Number of bytes left before the end of the stream. - */ -OPJ_OFF_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_stream); - -/** - * Skips a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes skipped, or -1 if an error occured. - */ -OPJ_OFF_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Skips a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes skipped, or -1 if an error occured. - */ -OPJ_OFF_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Skips a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return OPJ_TRUE if success, or OPJ_FALSE if an error occured. - */ -OPJ_BOOL opj_stream_read_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Skips a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return the number of bytes skipped, or -1 if an error occured. - */ -OPJ_BOOL opj_stream_write_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Seeks a number of bytes from the stream. - * @param p_stream the stream to skip data from. - * @param p_size the number of bytes to skip. - * @param p_event_mgr the user event manager to be notified of special events. - * @return true if the stream is seekable. - */ -OPJ_BOOL opj_stream_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, struct opj_event_mgr * p_event_mgr); - -/** - * Tells if the given stream is seekable. - */ -OPJ_BOOL opj_stream_has_seek (const opj_stream_private_t * p_stream); - -/** - * FIXME DOC. - */ -OPJ_SIZE_T opj_stream_default_read (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data); - -/** - * FIXME DOC. - */ -OPJ_SIZE_T opj_stream_default_write (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data); - +Write some bytes +@param cio CIO handle +@param v Value to write +@param n Number of bytes to write +@return Returns the number of bytes written or 0 if an error occured +*/ +unsigned int cio_write(opj_cio_t *cio, unsigned int64 v, int n); /** - * FIXME DOC. - */ -OPJ_OFF_T opj_stream_default_skip (OPJ_OFF_T p_nb_bytes, void * p_user_data); - +Read some bytes +@param cio CIO handle +@param n Number of bytes to read +@return Returns the value of the n bytes read +*/ +unsigned int cio_read(opj_cio_t *cio, int n); /** - * FIXME DOC. - */ -OPJ_BOOL opj_stream_default_seek (OPJ_OFF_T p_nb_bytes, void * p_user_data); - +Skip some bytes +@param cio CIO handle +@param n Number of bytes to skip +*/ +void cio_skip(opj_cio_t *cio, int n); /* ----------------------------------------------------------------------- */ /*@}*/ /*@}*/ - #endif /* __CIO_H */ |