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parsetcommon.c
Package: chapter15.rar [view]
Upload User: hjq518
Upload Date: 2021-12-09
Package Size: 5084k
Code Size: 2k
Category:
Audio program
Development Platform:
Visual C++
- /*!
- **************************************************************************************
- * file
- * parset.c
- * brief
- * Picture and Sequence Parameter set generation and handling
- * date 25 November 2002
- * author
- * Main contributors (see contributors.h for copyright, address and affiliation details)
- * - Stephan Wenger <stewe@cs.tu-berlin.de>
- *
- **************************************************************************************
- */
- #include "global.h"
- #include "memalloc.h"
- /*!
- *************************************************************************************
- * brief
- * Allocates memory for a pps
- *
- * return
- * pointer to a pps
- *************************************************************************************
- */
- pic_parameter_set_rbsp_t *AllocPPS ()
- {
- pic_parameter_set_rbsp_t *p;
- if ((p=calloc (sizeof (pic_parameter_set_rbsp_t), 1)) == NULL)
- no_mem_exit ("AllocPPS: PPS");
- p->slice_group_id = NULL;
- return p;
- }
- /*!
- *************************************************************************************
- * brief
- * Allocates memory for am sps
- *
- * return
- * pointer to a sps
- *************************************************************************************
- */
- seq_parameter_set_rbsp_t *AllocSPS ()
- {
- seq_parameter_set_rbsp_t *p;
- if ((p=calloc (sizeof (seq_parameter_set_rbsp_t), 1)) == NULL)
- no_mem_exit ("AllocSPS: SPS");
- return p;
- }
- /*!
- *************************************************************************************
- * brief
- * Frees a pps
- *
- * param pps
- * pps to be freed
- *
- * return
- * none
- *************************************************************************************
- */
- void FreePPS (pic_parameter_set_rbsp_t *pps)
- {
- assert (pps != NULL);
- if (pps->slice_group_id != NULL)
- free (pps->slice_group_id);
- free (pps);
- }
- /*!
- *************************************************************************************
- * brief
- * Frees a sps
- *
- * param sps
- * sps to be freed
- *
- * return
- * none
- *************************************************************************************
- */
- void FreeSPS (seq_parameter_set_rbsp_t *sps)
- {
- assert (sps != NULL);
- free (sps);
- }