diff options
Diffstat (limited to 'libopenjpeg/cio.c')
| -rw-r--r-- | libopenjpeg/cio.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/libopenjpeg/cio.c b/libopenjpeg/cio.c index 21ef55a9..bd0ab15c 100644 --- a/libopenjpeg/cio.c +++ b/libopenjpeg/cio.c @@ -91,7 +91,6 @@ void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) { } } - /* ----------------------------------------------------------------------- */ /* @@ -191,16 +190,8 @@ void cio_skip(opj_cio_t *cio, int n) { cio->bp += n; } - /* ----------------------------------------------------------------------- */ - -/** - * 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 -*/ void opj_write_bytes_BE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + p_nb_bytes; @@ -210,13 +201,6 @@ void opj_write_bytes_BE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_n memcpy(p_buffer,l_data_ptr,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 - * @param p_nb_bytes the number of bytes to write - * @return the number of bytes written or -1 if an error occured -*/ void opj_write_bytes_LE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + p_nb_bytes - 1; @@ -229,13 +213,6 @@ void opj_write_bytes_LE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_n } } -/** - * 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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); @@ -246,13 +223,6 @@ void opj_read_bytes_BE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT memcpy(l_data_ptr+4-p_nb_bytes,p_buffer,p_nb_bytes); } -/** - * 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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + p_nb_bytes-1; @@ -266,23 +236,12 @@ void opj_read_bytes_LE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT } } -/** - * 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 - * @return the number of bytes written or -1 if an error occured - */ void opj_write_double_BE(OPJ_BYTE * p_buffer, OPJ_FLOAT64 p_value) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value); memcpy(p_buffer,l_data_ptr,sizeof(OPJ_FLOAT64)); } -/** - * 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) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + sizeof(OPJ_FLOAT64) - 1; @@ -292,23 +251,12 @@ void opj_write_double_LE(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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); memcpy(l_data_ptr,p_buffer,sizeof(OPJ_FLOAT64)); } - -/** - * 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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + sizeof(OPJ_FLOAT64)-1; @@ -318,23 +266,12 @@ void opj_read_double_LE(const 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 - * @return the number of bytes written or -1 if an error occured - */ void opj_write_float_BE(OPJ_BYTE * p_buffer, OPJ_FLOAT32 p_value) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value); memcpy(p_buffer,l_data_ptr,sizeof(OPJ_FLOAT32)); } -/** - * 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) { const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + sizeof(OPJ_FLOAT32) - 1; @@ -344,23 +281,12 @@ void opj_write_float_LE(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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); memcpy(l_data_ptr,p_buffer,sizeof(OPJ_FLOAT32)); } - -/** - * 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) { OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + sizeof(OPJ_FLOAT32)-1; @@ -370,11 +296,6 @@ void opj_read_float_LE(const OPJ_BYTE * p_buffer, OPJ_FLOAT32 * p_value) } } - -/** - * Creates an abstract stream. This function does nothing except allocating memory and initializing the abstract stream. - * @return a stream object. -*/ opj_stream_t* OPJ_CALLCONV opj_stream_create(OPJ_SIZE_T p_buffer_size,opj_bool l_is_input) { opj_stream_private_t * l_stream = 00; @@ -412,19 +333,11 @@ opj_stream_t* OPJ_CALLCONV opj_stream_create(OPJ_SIZE_T p_buffer_size,opj_bool l return (opj_stream_t *) l_stream; } -/** - * Creates an abstract stream. This function does nothing except allocating memory and initializing the abstract stream. - * @return a stream object. -*/ opj_stream_t* OPJ_CALLCONV opj_stream_default_create(opj_bool l_is_input) { return opj_stream_create(J2K_STREAM_CHUNK_SIZE,l_is_input); } -/** - * Destroys a stream created by opj_create_stream. This function does NOT close the abstract stream. If needed the user must - * close its own implementation of the stream. - */ OPJ_API void OPJ_CALLCONV opj_stream_destroy(opj_stream_t* p_stream) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; @@ -436,11 +349,6 @@ OPJ_API void OPJ_CALLCONV opj_stream_destroy(opj_stream_t* p_stream) } } -/** - * Sets the given function to be used as a read function. - * @param p_stream the stream to modify - * @param p_function the function to use a read function. -*/ OPJ_API void OPJ_CALLCONV opj_stream_set_read_function(opj_stream_t* p_stream, opj_stream_read_fn p_function) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; @@ -462,11 +370,6 @@ OPJ_API void OPJ_CALLCONV opj_stream_set_seek_function(opj_stream_t* p_stream, o l_stream->m_seek_fn = p_function; } -/** - * Sets the given function to be used as a write function. - * @param p_stream the stream to modify - * @param p_function the function to use a write function. -*/ OPJ_API void OPJ_CALLCONV opj_stream_set_write_function(opj_stream_t* p_stream, opj_stream_write_fn p_function) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; @@ -478,11 +381,6 @@ OPJ_API void OPJ_CALLCONV opj_stream_set_write_function(opj_stream_t* p_stream, l_stream->m_write_fn = p_function; } -/** - * Sets the given function to be used as a skip function. - * @param p_stream the stream to modify - * @param p_function the function to use a skip function. -*/ OPJ_API void OPJ_CALLCONV opj_stream_set_skip_function(opj_stream_t* p_stream, opj_stream_skip_fn p_function) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; @@ -494,36 +392,18 @@ OPJ_API void OPJ_CALLCONV opj_stream_set_skip_function(opj_stream_t* p_stream, o l_stream->m_skip_fn = p_function; } -/** - * Sets the given data to be used as a user data for the stream. - * @param p_stream the stream to modify - * @param p_data the data to set. -*/ OPJ_API void OPJ_CALLCONV opj_stream_set_user_data(opj_stream_t* p_stream, void * p_data) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; l_stream->m_user_data = p_data; } -/** - * Sets the given data to be used as a user data for the stream. - * @param p_stream the stream to modify - * @param p_data the data to set. -*/ OPJ_API void OPJ_CALLCONV opj_stream_set_user_data_length(opj_stream_t* p_stream, OPJ_UINT64 data_length) { opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; l_stream->m_user_data_length = data_length; } -/** - * 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, opj_event_mgr_t * p_event_mgr) { OPJ_SIZE_T l_read_nb_bytes = 0; @@ -563,7 +443,6 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu p_stream->m_current_data = p_stream->m_stored_data; } - while(1){ /* we should read less than a chunk -> read a chunk */ if (p_size < p_stream->m_buffer_size) { @@ -632,14 +511,6 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu } } -/** - * Writes some bytes from 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, @@ -688,12 +559,6 @@ OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream, } -/** - * 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 the number of bytes written, or -1 if an error occured. - */ opj_bool opj_stream_flush (opj_stream_private_t * p_stream, opj_event_mgr_t * p_event_mgr) { /* the number of bytes written on the media. */ @@ -723,13 +588,6 @@ opj_bool opj_stream_flush (opj_stream_private_t * p_stream, opj_event_mgr_t * p_ return OPJ_TRUE; } -/** - * 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, opj_event_mgr_t * p_event_mgr) { OPJ_OFF_T l_skip_nb_bytes = 0; @@ -784,13 +642,6 @@ OPJ_OFF_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_siz return l_skip_nb_bytes; } -/** - * 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, opj_event_mgr_t * p_event_mgr) { opj_bool l_is_written = 0; @@ -832,26 +683,11 @@ OPJ_OFF_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_si return l_skip_nb_bytes; } -/** - * Tells the byte offset on the stream (similar to ftell). - * - * @param p_stream the stream to get the information from. - * - * @return the current position of the stream. - */ OPJ_OFF_T opj_stream_tell (const opj_stream_private_t * p_stream) { return p_stream->m_byte_offset; } - -/** - * 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) { assert( p_stream->m_byte_offset >= 0 ); @@ -861,27 +697,12 @@ OPJ_OFF_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_stream 0; } -/** - * 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, opj_event_mgr_t * p_event_mgr) { assert(p_size >= 0); return p_stream->m_opj_skip(p_stream,p_size,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, opj_event_mgr_t * p_event_mgr) { OPJ_ARG_NOT_USED(p_event_mgr); @@ -902,13 +723,6 @@ opj_bool opj_stream_read_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size return OPJ_TRUE; } -/** - * 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, opj_event_mgr_t * p_event_mgr) { if (! opj_stream_flush(p_stream,p_event_mgr)) { @@ -930,23 +744,12 @@ opj_bool opj_stream_write_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_siz return OPJ_TRUE; } - -/** - * 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) { assert(p_size >= 0); return p_stream->m_opj_seek(p_stream,p_size,p_event_mgr); } -/** - * Tells if the given stream is seekable. - */ opj_bool opj_stream_has_seek (const opj_stream_private_t * p_stream) { return p_stream->m_seek_fn != opj_stream_default_seek; |