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[trunk] implement Large File support in the library

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This commit is contained in:
Julien Malik
2011-11-30 16:55:25 +00:00
parent 3932e860ca
commit 455f675806
11 changed files with 440 additions and 124 deletions
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42
libopenjpeg/cio.h
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@@ -128,7 +128,7 @@ typedef struct opj_stream_private
/**
* User data length
*/
OPJ_UINT32 m_user_data_length;
OPJ_UINT64 m_user_data_length;
/**
* Pointer to actual read function (NULL at the initialization of the cio.
@@ -165,24 +165,24 @@ typedef struct opj_stream_private
*/
OPJ_BYTE * m_current_data;
OPJ_SIZE_T (* m_opj_skip)(struct opj_stream_private * ,OPJ_SIZE_T , struct opj_event_mgr *);
OPJ_OFF_T (* m_opj_skip)(struct opj_stream_private * ,OPJ_OFF_T , struct opj_event_mgr *);
opj_bool (* m_opj_seek) (struct opj_stream_private * , OPJ_SIZE_T , struct opj_event_mgr *);
opj_bool (* m_opj_seek) (struct opj_stream_private * , OPJ_OFF_T , struct opj_event_mgr *);
/**
* number of bytes containing in the buffer.
*/
OPJ_UINT32 m_bytes_in_buffer;
OPJ_SIZE_T m_bytes_in_buffer;
/**
* The number of bytes read/written.
* The number of bytes read/written from the beginning of the stream
*/
OPJ_SIZE_T m_byte_offset;
OPJ_OFF_T m_byte_offset;
/**
* The size of the buffer.
*/
OPJ_UINT32 m_buffer_size;
OPJ_SIZE_T m_buffer_size;
/**
* Flags to tell the status of the stream.
@@ -293,7 +293,7 @@ void opj_write_float_BE(OPJ_BYTE * p_buffer, OPJ_FLOAT32 p_value);
* @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_UINT32 opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_buffer, OPJ_UINT32 p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -303,7 +303,7 @@ OPJ_UINT32 opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
* @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_UINT32 opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE * p_buffer, OPJ_UINT32 p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -320,7 +320,7 @@ opj_bool opj_stream_flush (opj_stream_private_t * p_stream, struct opj_event_mgr
* @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_SIZE_T opj_stream_skip (opj_stream_private_t * p_stream,OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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).
@@ -329,7 +329,7 @@ OPJ_SIZE_T opj_stream_skip (opj_stream_private_t * p_stream,OPJ_SIZE_T p_size, s
*
* @return the current position o fthe stream.
*/
OPJ_SIZE_T opj_stream_tell (const opj_stream_private_t * p_stream);
OPJ_OFF_T opj_stream_tell (const opj_stream_private_t * p_stream);
/**
@@ -339,7 +339,7 @@ OPJ_SIZE_T opj_stream_tell (const opj_stream_private_t * p_stream);
*
* @return Number of bytes left before the end of the stream.
*/
OPJ_SIZE_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_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.
@@ -348,7 +348,7 @@ OPJ_SIZE_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_strea
* @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_SIZE_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -357,7 +357,7 @@ OPJ_SIZE_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_SIZE_T p_
* @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_SIZE_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -366,7 +366,7 @@ OPJ_SIZE_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_SIZE_T p_s
* @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_read_seek (opj_stream_private_t * p_stream, OPJ_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -375,7 +375,7 @@ opj_bool opj_stream_read_seek (opj_stream_private_t * p_stream, OPJ_SIZE_T p_siz
* @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_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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.
@@ -384,17 +384,17 @@ opj_bool opj_stream_write_seek (opj_stream_private_t * p_stream, OPJ_SIZE_T p_si
* @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_SIZE_T p_size, struct opj_event_mgr * p_event_mgr);
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);
OPJ_UINT32 opj_stream_default_read (void * p_buffer, OPJ_UINT32 p_nb_bytes, void * p_user_data);
OPJ_UINT32 opj_stream_default_write (void * p_buffer, OPJ_UINT32 p_nb_bytes, void * p_user_data);
OPJ_SIZE_T opj_stream_default_skip (OPJ_SIZE_T p_nb_bytes, void * p_user_data);
opj_bool opj_stream_default_seek (OPJ_SIZE_T p_nb_bytes, void * p_user_data);
OPJ_SIZE_T opj_stream_default_read (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data);
OPJ_SIZE_T opj_stream_default_write (void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data);
OPJ_OFF_T opj_stream_default_skip (OPJ_OFF_T p_nb_bytes, void * p_user_data);
opj_bool opj_stream_default_seek (OPJ_OFF_T p_nb_bytes, void * p_user_data);