nalucommon.c
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上传日期:2021-12-09
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文件大小:2k
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Audio
开发平台:
Visual C++
- /*!
- ************************************************************************
- * file nalucommon.c
- *
- * brief
- * Common NALU support functions
- *
- * author
- * Main contributors (see contributors.h for copyright, address and affiliation details)
- * - Stephan Wenger <stewe@cs.tu-berlin.de>
- ************************************************************************
- */
- #include "global.h"
- #include "nalu.h"
- #include "memalloc.h"
- /*!
- *************************************************************************************
- * brief
- * Allocates memory for a NALU
- *
- * param buffersize
- * size of NALU buffer
- *
- * return
- * pointer to a NALU
- *************************************************************************************
- */
- NALU_t *AllocNALU(int buffersize)
- {
- NALU_t *n;
- if ((n = (NALU_t*)calloc (1, sizeof (NALU_t))) == NULL)
- no_mem_exit ("AllocNALU: n");
- n->max_size=buffersize;
- if ((n->buf = (byte*)calloc (buffersize, sizeof (byte))) == NULL)
- {
- free (n);
- no_mem_exit ("AllocNALU: n->buf");
- }
- return n;
- }
- /*!
- *************************************************************************************
- * brief
- * Frees a NALU
- *
- * param n
- * NALU to be freed
- *
- *************************************************************************************
- */
- void FreeNALU(NALU_t *n)
- {
- if (n)
- {
- if (n->buf)
- {
- free(n->buf);
- n->buf=NULL;
- }
- free (n);
- }
- }