hust_rtpreleasestream.c

实现基于ip2022的MPEG2 TS的IP组播接收

/*-------------------------------------------------------------------------
 * rtpreleasestream.c - rtpreleasestream
 *-------------------------------------------------------------------------
 */

#include "ipOS.h"
#include "ipHAL.h"
#include "hust_rtp.h"
#include "hust_rtcp.h"
#include "hust_hash.h"

/*------------------------------------------------------------------------
 * rtpreleasestream - decrement a streams refcnt and remove if necessary
 *------------------------------------------------------------------------
 */
int
rtpreleasestream(struct session *psn, struct stream *pstm)
{

	///if (pthread_mutex_lock(&psn->sn_getstreammutex) != 0)
		///return ERROR;

	pstm->stm_refcnt--;
  
	if (pstm->stm_refcnt == 0 && pstm->stm_zombie == TRUE) {
		/*
		 * Remove this stream from the Cname->SSRC mapping.
		 */
		rtcpcnamerem(psn, pstm);
		if (pstm->stm_name != NULL)
			heap_free(pstm->stm_name);
		if (pstm->stm_email != NULL)
			heap_free(pstm->stm_email);
		if (pstm->stm_phone != NULL)
			heap_free(pstm->stm_phone);
		if (pstm->stm_loc != NULL)
			heap_free(pstm->stm_loc);
		if (pstm->stm_tool != NULL)
			heap_free(pstm->stm_tool);
		if (pstm->stm_note != NULL)
			heap_free(pstm->stm_note);
		if (pstm->stm_priv != NULL)
			heap_free(pstm->stm_priv);
		/*
		 * Remove this stream from the SSRC->struct stream *
		 * hashtable. The htdel function will invoke
		 * rtpdestroystream.
		 */
		htdel(psn->sn_ssrcs, pstm->stm_ssrc);
	}
	////pthread_mutex_unlock(&psn->sn_getstreammutex);

	return ;
}