diff options
Diffstat (limited to 'extern/libopenjpeg/jpt.c')
-rw-r--r-- | extern/libopenjpeg/jpt.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/extern/libopenjpeg/jpt.c b/extern/libopenjpeg/jpt.c deleted file mode 100644 index a2566ea8872..00000000000 --- a/extern/libopenjpeg/jpt.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium - * Copyright (c) 2002-2007, Professor Benoit Macq - * Copyright (c) 2002-2003, Yannick Verschueren - * Copyright (c) 2005, Herve Drolon, FreeImage Team - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "opj_includes.h" - -/* - * Read the information contains in VBAS [JPP/JPT stream message header] - * Store information (7 bits) in value - * - */ -unsigned int jpt_read_VBAS_info(opj_cio_t *cio, unsigned int value) { - unsigned char elmt; - - elmt = cio_read(cio, 1); - while ((elmt >> 7) == 1) { - value = (value << 7); - value |= (elmt & 0x7f); - elmt = cio_read(cio, 1); - } - value = (value << 7); - value |= (elmt & 0x7f); - - return value; -} - -/* - * Initialize the value of the message header structure - * - */ -void jpt_init_msg_header(opj_jpt_msg_header_t * header) { - header->Id = 0; /* In-class Identifier */ - header->last_byte = 0; /* Last byte information */ - header->Class_Id = 0; /* Class Identifier */ - header->CSn_Id = 0; /* CSn : index identifier */ - header->Msg_offset = 0; /* Message offset */ - header->Msg_length = 0; /* Message length */ - header->Layer_nb = 0; /* Auxiliary for JPP case */ -} - -/* - * Re-initialize the value of the message header structure - * - * Only parameters always present in message header - * - */ -void jpt_reinit_msg_header(opj_jpt_msg_header_t * header) { - header->Id = 0; /* In-class Identifier */ - header->last_byte = 0; /* Last byte information */ - header->Msg_offset = 0; /* Message offset */ - header->Msg_length = 0; /* Message length */ -} - -/* - * Read the message header for a JPP/JPT - stream - * - */ -void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header) { - unsigned char elmt, Class = 0, CSn = 0; - jpt_reinit_msg_header(header); - - /* ------------- */ - /* VBAS : Bin-ID */ - /* ------------- */ - elmt = cio_read(cio, 1); - - /* See for Class and CSn */ - switch ((elmt >> 5) & 0x03) { - case 0: - opj_event_msg(cinfo, EVT_ERROR, "Forbidden value encounter in message header !!\n"); - break; - case 1: - Class = 0; - CSn = 0; - break; - case 2: - Class = 1; - CSn = 0; - break; - case 3: - Class = 1; - CSn = 1; - break; - default: - break; - } - - /* see information on bits 'c' [p 10 : A.2.1 general, ISO/IEC FCD 15444-9] */ - if (((elmt >> 4) & 0x01) == 1) - header->last_byte = 1; - - /* In-class identifier */ - header->Id |= (elmt & 0x0f); - if ((elmt >> 7) == 1) - header->Id = jpt_read_VBAS_info(cio, header->Id); - - /* ------------ */ - /* VBAS : Class */ - /* ------------ */ - if (Class == 1) { - header->Class_Id = 0; - header->Class_Id = jpt_read_VBAS_info(cio, header->Class_Id); - } - - /* ---------- */ - /* VBAS : CSn */ - /* ---------- */ - if (CSn == 1) { - header->CSn_Id = 0; - header->CSn_Id = jpt_read_VBAS_info(cio, header->CSn_Id); - } - - /* ----------------- */ - /* VBAS : Msg_offset */ - /* ----------------- */ - header->Msg_offset = jpt_read_VBAS_info(cio, header->Msg_offset); - - /* ----------------- */ - /* VBAS : Msg_length */ - /* ----------------- */ - header->Msg_length = jpt_read_VBAS_info(cio, header->Msg_length); - - /* ---------- */ - /* VBAS : Aux */ - /* ---------- */ - if ((header->Class_Id & 0x01) == 1) { - header->Layer_nb = 0; - header->Layer_nb = jpt_read_VBAS_info(cio, header->Layer_nb); - } -} |