dr_4d.c | dr_4d.c | |||
---|---|---|---|---|
/************************************************************************** *** | /************************************************************************** *** | |||
* dr_4d.c | * dr_4d.c | |||
* Copyright (C) 2005-2010 VideoLAN | * Copyright (C) 2005-2011 VideoLAN | |||
* $Id: dr_4d.c,v 1.7 2003/07/25 20:20:40 fenrir Exp $ | * $Id: dr_4d.c,v 1.7 2003/07/25 20:20:40 fenrir Exp $ | |||
* | * | |||
* Authors: Laurent Aimar <fenrir@via.ecp.fr> | * Authors: Laurent Aimar <fenrir@via.ecp.fr> | |||
* | * | |||
* This library is free software; you can redistribute it and/or | * This library is free software; you can redistribute it and/or | |||
* modify it under the terms of the GNU Lesser General Public | * modify it under the terms of the GNU Lesser General Public | |||
* License as published by the Free Software Foundation; either | * License as published by the Free Software Foundation; either | |||
* version 2.1 of the License, or (at your option) any later version. | * version 2.1 of the License, or (at your option) any later version. | |||
* | * | |||
* This library is distributed in the hope that it will be useful, | * This library is distributed in the hope that it will be useful, | |||
skipping to change at line 28 | skipping to change at line 28 | |||
* You should have received a copy of the GNU Lesser General Public | * You should have received a copy of the GNU Lesser General Public | |||
* License along with this library; if not, write to the Free Software | * License along with this library; if not, write to the Free Software | |||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-130 1 USA | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-130 1 USA | |||
* | * | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
#include "config.h" | #include "config.h" | |||
#include <stdio.h> | #include <stdio.h> | |||
#include <stdlib.h> | #include <stdlib.h> | |||
#include <stdbool.h> | ||||
#include <string.h> | #include <string.h> | |||
#if defined(HAVE_INTTYPES_H) | #if defined(HAVE_INTTYPES_H) | |||
#include <inttypes.h> | #include <inttypes.h> | |||
#elif defined(HAVE_STDINT_H) | #elif defined(HAVE_STDINT_H) | |||
#include <stdint.h> | #include <stdint.h> | |||
#endif | #endif | |||
#include "../dvbpsi.h" | #include "../dvbpsi.h" | |||
#include "../dvbpsi_private.h" | #include "../dvbpsi_private.h" | |||
skipping to change at line 52 | skipping to change at line 53 | |||
/************************************************************************** *** | /************************************************************************** *** | |||
* dvbpsi_DecodeShortEventDr | * dvbpsi_DecodeShortEventDr | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
dvbpsi_short_event_dr_t * dvbpsi_DecodeShortEventDr(dvbpsi_descriptor_t * p _descriptor) | dvbpsi_short_event_dr_t * dvbpsi_DecodeShortEventDr(dvbpsi_descriptor_t * p _descriptor) | |||
{ | { | |||
dvbpsi_short_event_dr_t * p_decoded; | dvbpsi_short_event_dr_t * p_decoded; | |||
int i_len1; | int i_len1; | |||
int i_len2; | int i_len2; | |||
/* Check the tag */ | /* Check the tag */ | |||
if(p_descriptor->i_tag != 0x4d || | if (!dvbpsi_CanDecodeAsDescriptor(p_descriptor, 0x4d) || | |||
p_descriptor->i_length < 5 ) | p_descriptor->i_length < 5 ) | |||
{ | ||||
DVBPSI_ERROR_ARG("dr_4d decoder", "bad tag or corrupted(0x%x)", p_descr | ||||
iptor->i_tag); | ||||
return NULL; | return NULL; | |||
} | ||||
/* Don't decode twice */ | ||||
if (dvbpsi_IsDescriptorDecoded(p_descriptor)) | ||||
return p_descriptor->p_decoded; | ||||
/* Check length */ | /* Check length */ | |||
i_len1 = p_descriptor->p_data[3]; | i_len1 = p_descriptor->p_data[3]; | |||
i_len2 = p_descriptor->p_data[4+i_len1]; | i_len2 = p_descriptor->p_data[4+i_len1]; | |||
if( p_descriptor->i_length < 5 + i_len1 + i_len2 ) | ||||
{ | if (p_descriptor->i_length < 5 + i_len1 + i_len2) | |||
DVBPSI_ERROR_ARG("dr_4d decoder", "invalid length/content (tag=0x%x)", | ||||
p_descriptor->i_tag ); | ||||
return NULL; | return NULL; | |||
} | ||||
/* Don't decode twice */ | /* Don't decode twice */ | |||
if(p_descriptor->p_decoded) | if (p_descriptor->p_decoded) | |||
return p_descriptor->p_decoded; | return p_descriptor->p_decoded; | |||
/* Allocate memory */ | /* Allocate memory */ | |||
p_decoded = malloc(sizeof(dvbpsi_short_event_dr_t)); | p_decoded = malloc(sizeof(dvbpsi_short_event_dr_t)); | |||
if(!p_decoded) | if (!p_decoded) | |||
{ | return NULL; | |||
DVBPSI_ERROR("dr_4d decoder", "out of memory"); | ||||
return NULL; | ||||
} | ||||
/* Decode data and check the length */ | /* Decode data and check the length */ | |||
memcpy( p_decoded->i_iso_639_code, &p_descriptor->p_data[0], 3 ); | memcpy( p_decoded->i_iso_639_code, &p_descriptor->p_data[0], 3 ); | |||
p_decoded->i_event_name_length = i_len1; | p_decoded->i_event_name_length = i_len1; | |||
if( i_len1 > 0 ) | if (i_len1 > 0) | |||
memcpy( p_decoded->i_event_name, &p_descriptor->p_data[3+1], i_len1 ) ; | memcpy( p_decoded->i_event_name, &p_descriptor->p_data[3+1], i_len1 ) ; | |||
p_decoded->i_text_length = i_len2; | p_decoded->i_text_length = i_len2; | |||
if( i_len2 > 0 ) | if (i_len2 > 0) | |||
memcpy( p_decoded->i_text, &p_descriptor->p_data[4+i_len1+1], i_len2 ); | memcpy( p_decoded->i_text, &p_descriptor->p_data[4+i_len1+1], i_len2 ); | |||
p_descriptor->p_decoded = (void*)p_decoded; | p_descriptor->p_decoded = (void*)p_decoded; | |||
return p_decoded; | return p_decoded; | |||
} | } | |||
/************************************************************************** *** | /************************************************************************** *** | |||
* dvbpsi_GenShortEventDr | * dvbpsi_GenShortEventDr | |||
************************************************************************** ***/ | ************************************************************************** ***/ | |||
dvbpsi_descriptor_t * dvbpsi_GenShortEventDr(dvbpsi_short_event_dr_t * p_de coded, | dvbpsi_descriptor_t * dvbpsi_GenShortEventDr(dvbpsi_short_event_dr_t * p_de coded, | |||
int b_duplicate) | bool b_duplicate) | |||
{ | { | |||
int i_len1 = p_decoded->i_event_name_length; | int i_len1 = p_decoded->i_event_name_length; | |||
int i_len2 = p_decoded->i_text_length; | int i_len2 = p_decoded->i_text_length; | |||
/* Create the descriptor */ | ||||
dvbpsi_descriptor_t * p_descriptor = dvbpsi_NewDescriptor(0x4d, 5 + i_l | ||||
en1 + i_len2, NULL ); | ||||
/* Create the descriptor */ | if (!p_descriptor) | |||
dvbpsi_descriptor_t * p_descriptor = | return NULL; | |||
dvbpsi_NewDescriptor(0x4d, 5 + i_len1 + i_len2, NULL ); | ||||
if(p_descriptor) | ||||
{ | ||||
/* Encode data */ | /* Encode data */ | |||
memcpy( &p_descriptor->p_data[0], p_decoded->i_iso_639_code, 3 ); | memcpy( &p_descriptor->p_data[0], p_decoded->i_iso_639_code, 3 ); | |||
p_descriptor->p_data[3] = i_len1; | p_descriptor->p_data[3] = i_len1; | |||
if( i_len1 ) | if (i_len1) | |||
memcpy( &p_descriptor->p_data[4], p_decoded->i_event_name, i_len1 ) ; | memcpy( &p_descriptor->p_data[4], p_decoded->i_event_name, i_len1 ) ; | |||
p_descriptor->p_data[3+i_len1] = i_len2; | p_descriptor->p_data[3+1+i_len1] = i_len2; | |||
if( i_len2 ) | if (i_len2) | |||
memcpy( &p_descriptor->p_data[3+i_len1+1], p_decoded->i_text, i_len | memcpy( &p_descriptor->p_data[3+1+i_len1+1], p_decoded->i_text, i_l | |||
2 ); | en2 ); | |||
if(b_duplicate) | if (b_duplicate) | |||
{ | { | |||
/* Duplicate decoded data */ | /* Duplicate decoded data */ | |||
dvbpsi_short_event_dr_t * p_dup_decoded = | p_descriptor->p_decoded = | |||
(dvbpsi_short_event_dr_t*)malloc(sizeof(dvbpsi_short_event_ | dvbpsi_DuplicateDecodedDescriptor(p_decoded, | |||
dr_t)); | sizeof(dvbpsi_short_event | |||
if(p_dup_decoded) | _dr_t)); | |||
memcpy(p_dup_decoded, p_decoded, sizeof(dvbpsi_short_event_dr_t)); | ||||
p_descriptor->p_decoded = (void*)p_dup_decoded; | ||||
} | } | |||
} | ||||
return p_descriptor; | return p_descriptor; | |||
} | } | |||
End of changes. 20 change blocks. | ||||
44 lines changed or deleted | 37 lines changed or added | |||
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