diff options
Diffstat (limited to 'third_party/libopenjpeg20/cio.c')
| -rw-r--r-- | third_party/libopenjpeg20/cio.c | 1005 |
1 files changed, 522 insertions, 483 deletions
diff --git a/third_party/libopenjpeg20/cio.c b/third_party/libopenjpeg20/cio.c index b2f6405f6d..4fde9fe239 100644 --- a/third_party/libopenjpeg20/cio.c +++ b/third_party/libopenjpeg20/cio.c @@ -1,6 +1,6 @@ /* - * 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 + * 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. * @@ -8,10 +8,10 @@ * Copyright (c) 2002-2014, Professor Benoit Macq * Copyright (c) 2001-2003, David Janssens * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2007, Francois-Olivier Devaux * Copyright (c) 2003-2014, Antonin Descampe * Copyright (c) 2005, Herve Drolon, FreeImage Team - * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR + * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR * Copyright (c) 2012, CS Systemes d'Information, France * All rights reserved. * @@ -44,601 +44,640 @@ /* ----------------------------------------------------------------------- */ -void opj_write_bytes_BE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes) +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)+sizeof(OPJ_UINT32)-p_nb_bytes; + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + sizeof( + OPJ_UINT32) - p_nb_bytes; - assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); + assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); - memcpy(p_buffer,l_data_ptr,p_nb_bytes); + memcpy(p_buffer, l_data_ptr, p_nb_bytes); } -void opj_write_bytes_LE (OPJ_BYTE * p_buffer, OPJ_UINT32 p_value, OPJ_UINT32 p_nb_bytes) +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; - OPJ_UINT32 i; + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + p_nb_bytes - 1; + OPJ_UINT32 i; - assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); + assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); - for (i=0;i<p_nb_bytes;++i) { - *(p_buffer++) = *(l_data_ptr--); - } + for (i = 0; i < p_nb_bytes; ++i) { + *(p_buffer++) = *(l_data_ptr--); + } } -void opj_read_bytes_BE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT32 p_nb_bytes) +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); + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); - assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); + assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); - *p_value = 0; - memcpy(l_data_ptr+sizeof(OPJ_UINT32)-p_nb_bytes,p_buffer,p_nb_bytes); + *p_value = 0; + memcpy(l_data_ptr + sizeof(OPJ_UINT32) - p_nb_bytes, p_buffer, p_nb_bytes); } -void opj_read_bytes_LE(const OPJ_BYTE * p_buffer, OPJ_UINT32 * p_value, OPJ_UINT32 p_nb_bytes) +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; - OPJ_UINT32 i; + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + p_nb_bytes - 1; + OPJ_UINT32 i; - assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); + assert(p_nb_bytes > 0 && p_nb_bytes <= sizeof(OPJ_UINT32)); - *p_value = 0; - for (i=0;i<p_nb_bytes;++i) { - *(l_data_ptr--) = *(p_buffer++); - } + *p_value = 0; + for (i = 0; i < p_nb_bytes; ++i) { + *(l_data_ptr--) = *(p_buffer++); + } } 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)); + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value); + memcpy(p_buffer, l_data_ptr, sizeof(OPJ_FLOAT64)); } 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; - OPJ_UINT32 i; - for (i=0;i<sizeof(OPJ_FLOAT64);++i) { - *(p_buffer++) = *(l_data_ptr--); - } + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + sizeof( + OPJ_FLOAT64) - 1; + OPJ_UINT32 i; + for (i = 0; i < sizeof(OPJ_FLOAT64); ++i) { + *(p_buffer++) = *(l_data_ptr--); + } } 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)); + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); + memcpy(l_data_ptr, p_buffer, sizeof(OPJ_FLOAT64)); } 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; - OPJ_UINT32 i; - for (i=0;i<sizeof(OPJ_FLOAT64);++i) { - *(l_data_ptr--) = *(p_buffer++); - } + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + sizeof(OPJ_FLOAT64) - 1; + OPJ_UINT32 i; + for (i = 0; i < sizeof(OPJ_FLOAT64); ++i) { + *(l_data_ptr--) = *(p_buffer++); + } } 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)); + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value); + memcpy(p_buffer, l_data_ptr, sizeof(OPJ_FLOAT32)); } 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; - OPJ_UINT32 i; - for (i=0;i<sizeof(OPJ_FLOAT32);++i) { - *(p_buffer++) = *(l_data_ptr--); - } + const OPJ_BYTE * l_data_ptr = ((const OPJ_BYTE *) &p_value) + sizeof( + OPJ_FLOAT32) - 1; + OPJ_UINT32 i; + for (i = 0; i < sizeof(OPJ_FLOAT32); ++i) { + *(p_buffer++) = *(l_data_ptr--); + } } 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)); + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value); + memcpy(l_data_ptr, p_buffer, sizeof(OPJ_FLOAT32)); } 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; - OPJ_UINT32 i; - for (i=0;i<sizeof(OPJ_FLOAT32);++i) { - *(l_data_ptr--) = *(p_buffer++); - } + OPJ_BYTE * l_data_ptr = ((OPJ_BYTE *) p_value) + sizeof(OPJ_FLOAT32) - 1; + OPJ_UINT32 i; + for (i = 0; i < sizeof(OPJ_FLOAT32); ++i) { + *(l_data_ptr--) = *(p_buffer++); + } } -opj_stream_t* OPJ_CALLCONV opj_stream_create(OPJ_SIZE_T p_buffer_size,OPJ_BOOL l_is_input) +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; - l_stream = (opj_stream_private_t*) opj_calloc(1,sizeof(opj_stream_private_t)); - if (! l_stream) { - return 00; - } + opj_stream_private_t * l_stream = 00; + l_stream = (opj_stream_private_t*) opj_calloc(1, sizeof(opj_stream_private_t)); + if (! l_stream) { + return 00; + } - l_stream->m_buffer_size = p_buffer_size; - l_stream->m_stored_data = (OPJ_BYTE *) opj_malloc(p_buffer_size); - if (! l_stream->m_stored_data) { - opj_free(l_stream); - return 00; - } + l_stream->m_buffer_size = p_buffer_size; + l_stream->m_stored_data = (OPJ_BYTE *) opj_malloc(p_buffer_size); + if (! l_stream->m_stored_data) { + opj_free(l_stream); + return 00; + } - l_stream->m_current_data = l_stream->m_stored_data; + l_stream->m_current_data = l_stream->m_stored_data; - if (l_is_input) { - l_stream->m_status |= opj_stream_e_input; - l_stream->m_opj_skip = opj_stream_read_skip; - l_stream->m_opj_seek = opj_stream_read_seek; - } - else { - l_stream->m_status |= opj_stream_e_output; - l_stream->m_opj_skip = opj_stream_write_skip; - l_stream->m_opj_seek = opj_stream_write_seek; - } + if (l_is_input) { + l_stream->m_status |= OPJ_STREAM_STATUS_INPUT; + l_stream->m_opj_skip = opj_stream_read_skip; + l_stream->m_opj_seek = opj_stream_read_seek; + } else { + l_stream->m_status |= OPJ_STREAM_STATUS_OUTPUT; + l_stream->m_opj_skip = opj_stream_write_skip; + l_stream->m_opj_seek = opj_stream_write_seek; + } - l_stream->m_read_fn = opj_stream_default_read; - l_stream->m_write_fn = opj_stream_default_write; - l_stream->m_skip_fn = opj_stream_default_skip; - l_stream->m_seek_fn = opj_stream_default_seek; + l_stream->m_read_fn = opj_stream_default_read; + l_stream->m_write_fn = opj_stream_default_write; + l_stream->m_skip_fn = opj_stream_default_skip; + l_stream->m_seek_fn = opj_stream_default_seek; - return (opj_stream_t *) l_stream; + return (opj_stream_t *) l_stream; } opj_stream_t* OPJ_CALLCONV opj_stream_default_create(OPJ_BOOL l_is_input) { - return opj_stream_create(OPJ_J2K_STREAM_CHUNK_SIZE,l_is_input); + return opj_stream_create(OPJ_J2K_STREAM_CHUNK_SIZE, l_is_input); } void OPJ_CALLCONV opj_stream_destroy(opj_stream_t* p_stream) { - opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; - - if (l_stream) { - if (l_stream->m_free_user_data_fn) { - l_stream->m_free_user_data_fn(l_stream->m_user_data); - } - opj_free(l_stream->m_stored_data); - l_stream->m_stored_data = 00; - opj_free(l_stream); - } + opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; + + if (l_stream) { + if (l_stream->m_free_user_data_fn) { + l_stream->m_free_user_data_fn(l_stream->m_user_data); + } + opj_free(l_stream->m_stored_data); + l_stream->m_stored_data = 00; + opj_free(l_stream); + } } -void OPJ_CALLCONV opj_stream_set_read_function(opj_stream_t* p_stream, opj_stream_read_fn p_function) +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; + opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; + + if ((!l_stream) || (!(l_stream->m_status & OPJ_STREAM_STATUS_INPUT))) { + return; + } + + l_stream->m_read_fn = p_function; +} - if ((!l_stream) || (! (l_stream->m_status & opj_stream_e_input))) { - return; - } +void OPJ_CALLCONV opj_stream_set_seek_function(opj_stream_t* p_stream, + opj_stream_seek_fn p_function) +{ + opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; - l_stream->m_read_fn = p_function; + if (!l_stream) { + return; + } + l_stream->m_seek_fn = p_function; } -void OPJ_CALLCONV opj_stream_set_seek_function(opj_stream_t* p_stream, opj_stream_seek_fn p_function) +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; - - if (!l_stream) { - return; - } - l_stream->m_seek_fn = p_function; -} - -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; - - if ((!l_stream )|| (! (l_stream->m_status & opj_stream_e_output))) { - return; - } - - l_stream->m_write_fn = p_function; -} - -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; - - if (! l_stream) { - return; - } - - l_stream->m_skip_fn = p_function; -} - -void OPJ_CALLCONV opj_stream_set_user_data(opj_stream_t* p_stream, void * p_data, opj_stream_free_user_data_fn p_function) -{ - opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; - if (!l_stream) - return; - l_stream->m_user_data = p_data; - l_stream->m_free_user_data_fn = p_function; -} - -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; - if (!l_stream) - return; - l_stream->m_user_data_length = data_length; -} - -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; - if (p_stream->m_bytes_in_buffer >= p_size) { - memcpy(p_buffer,p_stream->m_current_data,p_size); - p_stream->m_current_data += p_size; - p_stream->m_bytes_in_buffer -= p_size; - l_read_nb_bytes += p_size; - p_stream->m_byte_offset += (OPJ_OFF_T)p_size; - return l_read_nb_bytes; - } - - /* we are now in the case when the remaining data if not sufficient */ - if (p_stream->m_status & opj_stream_e_end) { - l_read_nb_bytes += p_stream->m_bytes_in_buffer; - memcpy(p_buffer,p_stream->m_current_data,p_stream->m_bytes_in_buffer); - p_stream->m_current_data += p_stream->m_bytes_in_buffer; - p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1; - } - - /* the flag is not set, we copy data and then do an actual read on the stream */ - if (p_stream->m_bytes_in_buffer) { - l_read_nb_bytes += p_stream->m_bytes_in_buffer; - memcpy(p_buffer,p_stream->m_current_data,p_stream->m_bytes_in_buffer); - p_stream->m_current_data = p_stream->m_stored_data; - p_buffer += p_stream->m_bytes_in_buffer; - p_size -= p_stream->m_bytes_in_buffer; - p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - } - else { - /* case where we are already at the end of the buffer - so reset the m_current_data to point to the start of the - stored buffer to get ready to read from disk*/ - p_stream->m_current_data = p_stream->m_stored_data; - } - - for (;;) { - /* we should read less than a chunk -> read a chunk */ - if (p_size < p_stream->m_buffer_size) { - /* we should do an actual read on the media */ - p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_stream->m_stored_data,p_stream->m_buffer_size,p_stream->m_user_data); - - if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T)-1) { - /* end of stream */ - opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); - - p_stream->m_bytes_in_buffer = 0; - p_stream->m_status |= opj_stream_e_end; - /* end of stream */ - return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1; - } - else if (p_stream->m_bytes_in_buffer < p_size) { - /* not enough data */ - l_read_nb_bytes += p_stream->m_bytes_in_buffer; - memcpy(p_buffer,p_stream->m_current_data,p_stream->m_bytes_in_buffer); - p_stream->m_current_data = p_stream->m_stored_data; - p_buffer += p_stream->m_bytes_in_buffer; - p_size -= p_stream->m_bytes_in_buffer; - p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - } - else { - l_read_nb_bytes += p_size; - memcpy(p_buffer,p_stream->m_current_data,p_size); - p_stream->m_current_data += p_size; - p_stream->m_bytes_in_buffer -= p_size; - p_stream->m_byte_offset += (OPJ_OFF_T)p_size; - return l_read_nb_bytes; - } - } - else { - /* direct read on the dest buffer */ - p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_buffer,p_size,p_stream->m_user_data); - - if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T)-1) { - /* end of stream */ - opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); - - p_stream->m_bytes_in_buffer = 0; - p_stream->m_status |= opj_stream_e_end; - /* end of stream */ - return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1; - } - else if (p_stream->m_bytes_in_buffer < p_size) { - /* not enough data */ - l_read_nb_bytes += p_stream->m_bytes_in_buffer; - p_stream->m_current_data = p_stream->m_stored_data; - p_buffer += p_stream->m_bytes_in_buffer; - p_size -= p_stream->m_bytes_in_buffer; - p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - } - else { - /* we have read the exact size */ - l_read_nb_bytes += p_stream->m_bytes_in_buffer; - p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_current_data = p_stream->m_stored_data; - p_stream->m_bytes_in_buffer = 0; - return l_read_nb_bytes; - } - } - } -} - -OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream, - const OPJ_BYTE * p_buffer, - OPJ_SIZE_T p_size, - opj_event_mgr_t * p_event_mgr) -{ - OPJ_SIZE_T l_remaining_bytes = 0; - OPJ_SIZE_T l_write_nb_bytes = 0; - - if (p_stream->m_status & opj_stream_e_error) { - return (OPJ_SIZE_T)-1; - } - - for (;;) { - l_remaining_bytes = p_stream->m_buffer_size - p_stream->m_bytes_in_buffer; - - /* we have more memory than required */ - if (l_remaining_bytes >= p_size) { - memcpy(p_stream->m_current_data, p_buffer, p_size); - - p_stream->m_current_data += p_size; - p_stream->m_bytes_in_buffer += p_size; - l_write_nb_bytes += p_size; - p_stream->m_byte_offset += (OPJ_OFF_T)p_size; - - return l_write_nb_bytes; - } - - /* we copy data and then do an actual read on the stream */ - if (l_remaining_bytes) { - l_write_nb_bytes += l_remaining_bytes; - - memcpy(p_stream->m_current_data,p_buffer,l_remaining_bytes); - - p_stream->m_current_data = p_stream->m_stored_data; - - p_buffer += l_remaining_bytes; - p_size -= l_remaining_bytes; - p_stream->m_bytes_in_buffer += l_remaining_bytes; - p_stream->m_byte_offset += (OPJ_OFF_T)l_remaining_bytes; - } - - if (! opj_stream_flush(p_stream, p_event_mgr)) { - return (OPJ_SIZE_T)-1; - } - } - -} - -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. */ - OPJ_SIZE_T l_current_write_nb_bytes = 0; - - p_stream->m_current_data = p_stream->m_stored_data; - - while (p_stream->m_bytes_in_buffer) { - /* we should do an actual write on the media */ - l_current_write_nb_bytes = p_stream->m_write_fn(p_stream->m_current_data, - p_stream->m_bytes_in_buffer, - p_stream->m_user_data); - - if (l_current_write_nb_bytes == (OPJ_SIZE_T)-1) { - p_stream->m_status |= opj_stream_e_error; - opj_event_msg(p_event_mgr, EVT_INFO, "Error on writing stream!\n"); - - return OPJ_FALSE; - } - - p_stream->m_current_data += l_current_write_nb_bytes; - p_stream->m_bytes_in_buffer -= l_current_write_nb_bytes; - } - - p_stream->m_current_data = p_stream->m_stored_data; - - return OPJ_TRUE; -} - -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; - OPJ_OFF_T l_current_skip_nb_bytes = 0; - - assert( p_size >= 0 ); - - if (p_stream->m_bytes_in_buffer >= (OPJ_SIZE_T)p_size) { - p_stream->m_current_data += p_size; - /* it is safe to cast p_size to OPJ_SIZE_T since it is <= m_bytes_in_buffer - which is of type OPJ_SIZE_T */ - p_stream->m_bytes_in_buffer -= (OPJ_SIZE_T)p_size; - l_skip_nb_bytes += p_size; - p_stream->m_byte_offset += l_skip_nb_bytes; - return l_skip_nb_bytes; - } - - /* we are now in the case when the remaining data if not sufficient */ - if (p_stream->m_status & opj_stream_e_end) { - l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_current_data += p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - p_stream->m_byte_offset += l_skip_nb_bytes; - return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1; - } - - /* the flag is not set, we copy data and then do an actual skip on the stream */ - if (p_stream->m_bytes_in_buffer) { - l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_current_data = p_stream->m_stored_data; - p_size -= (OPJ_OFF_T)p_stream->m_bytes_in_buffer; - p_stream->m_bytes_in_buffer = 0; - } - - while (p_size > 0) { - /* we should do an actual skip on the media */ - l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); - if (l_current_skip_nb_bytes == (OPJ_OFF_T) -1) { - opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); - - p_stream->m_status |= opj_stream_e_end; - p_stream->m_byte_offset += l_skip_nb_bytes; - /* end if stream */ - return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1; - } - p_size -= l_current_skip_nb_bytes; - l_skip_nb_bytes += l_current_skip_nb_bytes; - } - - p_stream->m_byte_offset += l_skip_nb_bytes; - - return l_skip_nb_bytes; -} - -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; - OPJ_OFF_T l_current_skip_nb_bytes = 0; - OPJ_OFF_T l_skip_nb_bytes = 0; + opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; + + if ((!l_stream) || (!(l_stream->m_status & OPJ_STREAM_STATUS_OUTPUT))) { + return; + } + + l_stream->m_write_fn = p_function; +} + +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; + + if (! l_stream) { + return; + } + + l_stream->m_skip_fn = p_function; +} + +void OPJ_CALLCONV opj_stream_set_user_data(opj_stream_t* p_stream, + void * p_data, opj_stream_free_user_data_fn p_function) +{ + opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream; + if (!l_stream) { + return; + } + l_stream->m_user_data = p_data; + l_stream->m_free_user_data_fn = p_function; +} + +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; + if (!l_stream) { + return; + } + l_stream->m_user_data_length = data_length; +} + +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; + if (p_stream->m_bytes_in_buffer >= p_size) { + memcpy(p_buffer, p_stream->m_current_data, p_size); + p_stream->m_current_data += p_size; + p_stream->m_bytes_in_buffer -= p_size; + l_read_nb_bytes += p_size; + p_stream->m_byte_offset += (OPJ_OFF_T)p_size; + return l_read_nb_bytes; + } + + /* we are now in the case when the remaining data if not sufficient */ + if (p_stream->m_status & OPJ_STREAM_STATUS_END) { + l_read_nb_bytes += p_stream->m_bytes_in_buffer; + memcpy(p_buffer, p_stream->m_current_data, p_stream->m_bytes_in_buffer); + p_stream->m_current_data += p_stream->m_bytes_in_buffer; + p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T) - 1; + } + + /* the flag is not set, we copy data and then do an actual read on the stream */ + if (p_stream->m_bytes_in_buffer) { + l_read_nb_bytes += p_stream->m_bytes_in_buffer; + memcpy(p_buffer, p_stream->m_current_data, p_stream->m_bytes_in_buffer); + p_stream->m_current_data = p_stream->m_stored_data; + p_buffer += p_stream->m_bytes_in_buffer; + p_size -= p_stream->m_bytes_in_buffer; + p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + } else { + /* case where we are already at the end of the buffer + so reset the m_current_data to point to the start of the + stored buffer to get ready to read from disk*/ + p_stream->m_current_data = p_stream->m_stored_data; + } + + for (;;) { + /* we should read less than a chunk -> read a chunk */ + if (p_size < p_stream->m_buffer_size) { + /* we should do an actual read on the media */ + p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_stream->m_stored_data, + p_stream->m_buffer_size, p_stream->m_user_data); + + if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T) - 1) { + /* end of stream */ + opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); + + p_stream->m_bytes_in_buffer = 0; + p_stream->m_status |= OPJ_STREAM_STATUS_END; + /* end of stream */ + return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T) - 1; + } else if (p_stream->m_bytes_in_buffer < p_size) { + /* not enough data */ + l_read_nb_bytes += p_stream->m_bytes_in_buffer; + memcpy(p_buffer, p_stream->m_current_data, p_stream->m_bytes_in_buffer); + p_stream->m_current_data = p_stream->m_stored_data; + p_buffer += p_stream->m_bytes_in_buffer; + p_size -= p_stream->m_bytes_in_buffer; + p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + } else { + l_read_nb_bytes += p_size; + memcpy(p_buffer, p_stream->m_current_data, p_size); + p_stream->m_current_data += p_size; + p_stream->m_bytes_in_buffer -= p_size; + p_stream->m_byte_offset += (OPJ_OFF_T)p_size; + return l_read_nb_bytes; + } + } else { + /* direct read on the dest buffer */ + p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_buffer, p_size, + p_stream->m_user_data); + + if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T) - 1) { + /* end of stream */ + opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); + + p_stream->m_bytes_in_buffer = 0; + p_stream->m_status |= OPJ_STREAM_STATUS_END; + /* end of stream */ + return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T) - 1; + } else if (p_stream->m_bytes_in_buffer < p_size) { + /* not enough data */ + l_read_nb_bytes += p_stream->m_bytes_in_buffer; + p_stream->m_current_data = p_stream->m_stored_data; + p_buffer += p_stream->m_bytes_in_buffer; + p_size -= p_stream->m_bytes_in_buffer; + p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + } else { + /* we have read the exact size */ + l_read_nb_bytes += p_stream->m_bytes_in_buffer; + p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_current_data = p_stream->m_stored_data; + p_stream->m_bytes_in_buffer = 0; + return l_read_nb_bytes; + } + } + } +} + +OPJ_SIZE_T opj_stream_write_data(opj_stream_private_t * p_stream, + const OPJ_BYTE * p_buffer, + OPJ_SIZE_T p_size, + opj_event_mgr_t * p_event_mgr) +{ + OPJ_SIZE_T l_remaining_bytes = 0; + OPJ_SIZE_T l_write_nb_bytes = 0; + + if (p_stream->m_status & OPJ_STREAM_STATUS_ERROR) { + return (OPJ_SIZE_T) - 1; + } + + for (;;) { + l_remaining_bytes = p_stream->m_buffer_size - p_stream->m_bytes_in_buffer; + + /* we have more memory than required */ + if (l_remaining_bytes >= p_size) { + memcpy(p_stream->m_current_data, p_buffer, p_size); + + p_stream->m_current_data += p_size; + p_stream->m_bytes_in_buffer += p_size; + l_write_nb_bytes += p_size; + p_stream->m_byte_offset += (OPJ_OFF_T)p_size; + + return l_write_nb_bytes; + } + + /* we copy data and then do an actual read on the stream */ + if (l_remaining_bytes) { + l_write_nb_bytes += l_remaining_bytes; + + memcpy(p_stream->m_current_data, p_buffer, l_remaining_bytes); + + p_stream->m_current_data = p_stream->m_stored_data; + + p_buffer += l_remaining_bytes; + p_size -= l_remaining_bytes; + p_stream->m_bytes_in_buffer += l_remaining_bytes; + p_stream->m_byte_offset += (OPJ_OFF_T)l_remaining_bytes; + } + + if (! opj_stream_flush(p_stream, p_event_mgr)) { + return (OPJ_SIZE_T) - 1; + } + } + +} + +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. */ + OPJ_SIZE_T l_current_write_nb_bytes = 0; + + p_stream->m_current_data = p_stream->m_stored_data; + + while (p_stream->m_bytes_in_buffer) { + /* we should do an actual write on the media */ + l_current_write_nb_bytes = p_stream->m_write_fn(p_stream->m_current_data, + p_stream->m_bytes_in_buffer, + p_stream->m_user_data); + + if (l_current_write_nb_bytes == (OPJ_SIZE_T) - 1) { + p_stream->m_status |= OPJ_STREAM_STATUS_ERROR; + opj_event_msg(p_event_mgr, EVT_INFO, "Error on writing stream!\n"); + + return OPJ_FALSE; + } + + p_stream->m_current_data += l_current_write_nb_bytes; + p_stream->m_bytes_in_buffer -= l_current_write_nb_bytes; + } + + p_stream->m_current_data = p_stream->m_stored_data; + + return OPJ_TRUE; +} + +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; + OPJ_OFF_T l_current_skip_nb_bytes = 0; + + assert(p_size >= 0); + + if (p_stream->m_bytes_in_buffer >= (OPJ_SIZE_T)p_size) { + p_stream->m_current_data += p_size; + /* it is safe to cast p_size to OPJ_SIZE_T since it is <= m_bytes_in_buffer + which is of type OPJ_SIZE_T */ + p_stream->m_bytes_in_buffer -= (OPJ_SIZE_T)p_size; + l_skip_nb_bytes += p_size; + p_stream->m_byte_offset += l_skip_nb_bytes; + return l_skip_nb_bytes; + } + + /* we are now in the case when the remaining data if not sufficient */ + if (p_stream->m_status & OPJ_STREAM_STATUS_END) { + l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_current_data += p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + p_stream->m_byte_offset += l_skip_nb_bytes; + return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) - 1; + } + + /* the flag is not set, we copy data and then do an actual skip on the stream */ + if (p_stream->m_bytes_in_buffer) { + l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_current_data = p_stream->m_stored_data; + p_size -= (OPJ_OFF_T)p_stream->m_bytes_in_buffer; + p_stream->m_bytes_in_buffer = 0; + } + + while (p_size > 0) { + /* Check if we are going beyond the end of file. Most skip_fn do not */ + /* check that, but we must be careful not to advance m_byte_offset */ + /* beyond m_user_data_length, otherwise */ + /* opj_stream_get_number_byte_left() will assert. */ + if ((OPJ_UINT64)(p_stream->m_byte_offset + l_skip_nb_bytes + p_size) > + p_stream->m_user_data_length) { + opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); + + p_stream->m_byte_offset += l_skip_nb_bytes; + l_skip_nb_bytes = (OPJ_OFF_T)(p_stream->m_user_data_length - + (OPJ_UINT64)p_stream->m_byte_offset); + + opj_stream_read_seek(p_stream, (OPJ_OFF_T)p_stream->m_user_data_length, + p_event_mgr); + p_stream->m_status |= OPJ_STREAM_STATUS_END; + + /* end if stream */ + return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) - 1; + } + + /* we should do an actual skip on the media */ + l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); + if (l_current_skip_nb_bytes == (OPJ_OFF_T) - 1) { + opj_event_msg(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); + + p_stream->m_status |= OPJ_STREAM_STATUS_END; + p_stream->m_byte_offset += l_skip_nb_bytes; + /* end if stream */ + return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) - 1; + } + p_size -= l_current_skip_nb_bytes; + l_skip_nb_bytes += l_current_skip_nb_bytes; + } + + p_stream->m_byte_offset += l_skip_nb_bytes; + + return l_skip_nb_bytes; +} + +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; + OPJ_OFF_T l_current_skip_nb_bytes = 0; + OPJ_OFF_T l_skip_nb_bytes = 0; + + if (p_stream->m_status & OPJ_STREAM_STATUS_ERROR) { + return (OPJ_OFF_T) - 1; + } + + /* we should flush data */ + l_is_written = opj_stream_flush(p_stream, p_event_mgr); + if (! l_is_written) { + p_stream->m_status |= OPJ_STREAM_STATUS_ERROR; + p_stream->m_bytes_in_buffer = 0; + return (OPJ_OFF_T) - 1; + } + /* then skip */ - if (p_stream->m_status & opj_stream_e_error) { - return (OPJ_OFF_T) -1; - } + while (p_size > 0) { + /* we should do an actual skip on the media */ + l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); - /* we should flush data */ - l_is_written = opj_stream_flush (p_stream, p_event_mgr); - if (! l_is_written) { - p_stream->m_status |= opj_stream_e_error; - p_stream->m_bytes_in_buffer = 0; - return (OPJ_OFF_T) -1; - } - /* then skip */ + if (l_current_skip_nb_bytes == (OPJ_OFF_T) - 1) { + opj_event_msg(p_event_mgr, EVT_INFO, "Stream error!\n"); - while (p_size > 0) { - /* we should do an actual skip on the media */ - l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); - - if (l_current_skip_nb_bytes == (OPJ_OFF_T)-1) { - opj_event_msg(p_event_mgr, EVT_INFO, "Stream error!\n"); + p_stream->m_status |= OPJ_STREAM_STATUS_ERROR; + p_stream->m_byte_offset += l_skip_nb_bytes; + /* end if stream */ + return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) - 1; + } + p_size -= l_current_skip_nb_bytes; + l_skip_nb_bytes += l_current_skip_nb_bytes; + } - p_stream->m_status |= opj_stream_e_error; - p_stream->m_byte_offset += l_skip_nb_bytes; - /* end if stream */ - return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T)-1; - } - p_size -= l_current_skip_nb_bytes; - l_skip_nb_bytes += l_current_skip_nb_bytes; - } + p_stream->m_byte_offset += l_skip_nb_bytes; - p_stream->m_byte_offset += l_skip_nb_bytes; - - return l_skip_nb_bytes; + return l_skip_nb_bytes; } -OPJ_OFF_T opj_stream_tell (const opj_stream_private_t * p_stream) +OPJ_OFF_T opj_stream_tell(const opj_stream_private_t * p_stream) { - return p_stream->m_byte_offset; + return p_stream->m_byte_offset; } -OPJ_OFF_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) { - assert( p_stream->m_byte_offset >= 0 ); - assert( p_stream->m_user_data_length >= (OPJ_UINT64)p_stream->m_byte_offset); - return p_stream->m_user_data_length ? - (OPJ_OFF_T)(p_stream->m_user_data_length) - p_stream->m_byte_offset : - 0; + assert(p_stream->m_byte_offset >= 0); + assert(p_stream->m_user_data_length >= (OPJ_UINT64)p_stream->m_byte_offset); + return p_stream->m_user_data_length ? + (OPJ_OFF_T)(p_stream->m_user_data_length) - p_stream->m_byte_offset : + 0; } -OPJ_OFF_T opj_stream_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, opj_event_mgr_t * p_event_mgr) +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); + assert(p_size >= 0); + return p_stream->m_opj_skip(p_stream, p_size, p_event_mgr); } -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_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); - p_stream->m_current_data = p_stream->m_stored_data; - p_stream->m_bytes_in_buffer = 0; + OPJ_ARG_NOT_USED(p_event_mgr); + p_stream->m_current_data = p_stream->m_stored_data; + p_stream->m_bytes_in_buffer = 0; - if( !(p_stream->m_seek_fn(p_size,p_stream->m_user_data)) ) { - p_stream->m_status |= opj_stream_e_end; - return OPJ_FALSE; - } - else { - /* reset stream status */ - p_stream->m_status &= (~opj_stream_e_end); - p_stream->m_byte_offset = p_size; + if (!(p_stream->m_seek_fn(p_size, p_stream->m_user_data))) { + p_stream->m_status |= OPJ_STREAM_STATUS_END; + return OPJ_FALSE; + } else { + /* reset stream status */ + p_stream->m_status &= (~OPJ_STREAM_STATUS_END); + p_stream->m_byte_offset = p_size; - } + } - return OPJ_TRUE; + return OPJ_TRUE; } -OPJ_BOOL opj_stream_write_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size, opj_event_mgr_t * p_event_mgr) +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)) { - p_stream->m_status |= opj_stream_e_error; - return OPJ_FALSE; - } + if (! opj_stream_flush(p_stream, p_event_mgr)) { + p_stream->m_status |= OPJ_STREAM_STATUS_ERROR; + return OPJ_FALSE; + } - p_stream->m_current_data = p_stream->m_stored_data; - p_stream->m_bytes_in_buffer = 0; + p_stream->m_current_data = p_stream->m_stored_data; + p_stream->m_bytes_in_buffer = 0; - if (! p_stream->m_seek_fn(p_size,p_stream->m_user_data)) { - p_stream->m_status |= opj_stream_e_error; - return OPJ_FALSE; - } - else { - p_stream->m_byte_offset = p_size; - } + if (! p_stream->m_seek_fn(p_size, p_stream->m_user_data)) { + p_stream->m_status |= OPJ_STREAM_STATUS_ERROR; + return OPJ_FALSE; + } else { + p_stream->m_byte_offset = p_size; + } - return OPJ_TRUE; + return OPJ_TRUE; } -OPJ_BOOL opj_stream_seek (opj_stream_private_t * p_stream, OPJ_OFF_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) { - assert(p_size >= 0); - return p_stream->m_opj_seek(p_stream,p_size,p_event_mgr); + assert(p_size >= 0); + return p_stream->m_opj_seek(p_stream, p_size, p_event_mgr); } -OPJ_BOOL opj_stream_has_seek (const opj_stream_private_t * p_stream) +OPJ_BOOL opj_stream_has_seek(const opj_stream_private_t * p_stream) { - return p_stream->m_seek_fn != opj_stream_default_seek; + return p_stream->m_seek_fn != opj_stream_default_seek; } -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_read(void * p_buffer, OPJ_SIZE_T p_nb_bytes, + void * p_user_data) { - OPJ_ARG_NOT_USED(p_buffer); - OPJ_ARG_NOT_USED(p_nb_bytes); - OPJ_ARG_NOT_USED(p_user_data); - return (OPJ_SIZE_T) -1; + OPJ_ARG_NOT_USED(p_buffer); + OPJ_ARG_NOT_USED(p_nb_bytes); + OPJ_ARG_NOT_USED(p_user_data); + return (OPJ_SIZE_T) - 1; } -OPJ_SIZE_T opj_stream_default_write (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_ARG_NOT_USED(p_buffer); - OPJ_ARG_NOT_USED(p_nb_bytes); - OPJ_ARG_NOT_USED(p_user_data); - return (OPJ_SIZE_T) -1; + OPJ_ARG_NOT_USED(p_buffer); + OPJ_ARG_NOT_USED(p_nb_bytes); + OPJ_ARG_NOT_USED(p_user_data); + return (OPJ_SIZE_T) - 1; } -OPJ_OFF_T opj_stream_default_skip (OPJ_OFF_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_ARG_NOT_USED(p_nb_bytes); - OPJ_ARG_NOT_USED(p_user_data); - return (OPJ_OFF_T) -1; + OPJ_ARG_NOT_USED(p_nb_bytes); + OPJ_ARG_NOT_USED(p_user_data); + return (OPJ_OFF_T) - 1; } -OPJ_BOOL opj_stream_default_seek (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) { - OPJ_ARG_NOT_USED(p_nb_bytes); - OPJ_ARG_NOT_USED(p_user_data); - return OPJ_FALSE; + OPJ_ARG_NOT_USED(p_nb_bytes); + OPJ_ARG_NOT_USED(p_user_data); + return OPJ_FALSE; } |