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/*
* Copyright (C) 2008 Julian Scheel
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* nal.c: nal-structure utility functions
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "nal.h"
#include <xine/xine_internal.h>
struct nal_unit* init_nal_unit()
{
struct nal_unit *nal = calloc(1, sizeof(struct nal_unit));
/*nal->sps = calloc(1, sizeof(struct seq_parameter_set_rbsp));
nal->pps = calloc(1, sizeof(struct pic_parameter_set_rbsp));
nal->slc = calloc(1, sizeof(struct slice_header));*/
return nal;
}
void free_nal_unit(struct nal_unit *nal)
{
if(!nal)
return;
free(nal->sps);
free(nal->pps);
free(nal->slc);
free(nal);
}
void copy_nal_unit(struct nal_unit *dest, struct nal_unit *src)
{
/* size without pps, sps and slc units: */
int size = sizeof(struct nal_unit) - sizeof(struct seq_parameter_set_rbsp*)
- sizeof(struct pic_parameter_set_rbsp*) - sizeof(struct slice_header*);
xine_fast_memcpy(dest, src, size);
if(!dest->sps)
dest->sps = calloc(1, sizeof(struct seq_parameter_set_rbsp));
if(!dest->pps)
dest->pps = calloc(1, sizeof(struct pic_parameter_set_rbsp));
if(!dest->slc)
dest->slc = calloc(1, sizeof(struct slice_header));
if(src->sps)
xine_fast_memcpy(dest->sps, src->sps, sizeof(struct seq_parameter_set_rbsp));
if(src->pps)
xine_fast_memcpy(dest->pps, src->pps, sizeof(struct pic_parameter_set_rbsp));
if(src->slc)
xine_fast_memcpy(dest->slc, src->slc, sizeof(struct slice_header));
}
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