int send_play_reply(RTSP_buffer * rtsp, char *object,
RTSP_session * rtsp_session)
{
char r[1024];
char temp[30];
RTP_session *p = rtsp_session->rtp_session;
TRACE_FUNC();
/* build a reply message */
sprintf(r,
"%s %d %s" RTSP_EL "CSeq: %d" RTSP_EL "Server: %s/%s" RTSP_EL,
RTSP_VER, 200, get_stat(200), rtsp->rtsp_cseq, PACKAGE,
VERSION);
add_time_stamp(r, 0);
strcat(r, "Session: ");
sprintf(temp, "%d", rtsp_session->session_id);
strcat(r, temp);
strcat(r, RTSP_EL);
// strcat(r, "RTP-info: url=");
strcat(r, "RTP-info: ");
// strcat(r, object);
// strcat(r, ";");
do {
strcat(r, "url=");
// strcat(r, object);
// TODO: we MUST be sure to send the correct url
sprintf(r + strlen(r), "rtsp://%s/%s/%s!%s",
prefs_get_hostname(), p->sd_filename, p->sd_filename,
p->current_media->filename);
strcat(r, ";");
sprintf(r + strlen(r), "seq=%u;rtptime=%u", p->start_seq,
p->start_rtptime);
if (p->next != NULL) {
strcat(r, ",");
} else {
// strcat(r, "\r\n\r\n");
strcat(r, RTSP_EL);
}
p = p->next;
} while (p != NULL);
// end of message
strcat(r, RTSP_EL);
bwrite(r, (unsigned short) strlen(r), rtsp);
// INFOLOGG("200 - %s ", object);
return ERR_NOERROR;
}
int send_play_reply(RTSP_buffer * pRtsp, RTSP_session * pRtspSessn)
{
char s8Str[1024];
char s8Temp[30];
sprintf(s8Str, "%s %d %s"RTSP_EL"CSeq: %d"RTSP_EL"Server: %s/%s"RTSP_EL, RTSP_VER, 200,\
get_stat(200), pRtsp->rtsp_cseq, PACKAGE, VERSION);
add_time_stamp(s8Str, 0);
sprintf(s8Temp, "Session: %d"RTSP_EL, pRtspSessn->session_id);
strcat(s8Str, s8Temp);
strcat(s8Str, RTSP_EL);
bwrite(s8Str, (unsigned short) strlen(s8Str), pRtsp);
return ERR_NOERROR;
}
int SendDescribeReply(RTSP_buffer * rtsp, char *object, char *descr, char *s8Str)
{
char *pMsgBuf; /* 用于获取响应缓冲指针*/
int s32MbLen;
/* 分配空间，处理内部错误*/
s32MbLen = 2048;
pMsgBuf = (char *)malloc(s32MbLen);
if (!pMsgBuf)
{
fprintf(stderr,"send_describe_reply(): unable to allocate memory\n");
send_reply(500, 0, rtsp); /* internal server error */
if (pMsgBuf)
{
free(pMsgBuf);
}
return ERR_ALLOC;
}
/*构造describe消息串*/
sprintf(pMsgBuf, "%s %d %s"RTSP_EL"CSeq: %d"RTSP_EL"Server: %s/%s"RTSP_EL, RTSP_VER, 200, get_stat(200), rtsp->rtsp_cseq, PACKAGE, VERSION);
add_time_stamp(pMsgBuf, 0); /*添加时间戳*/
strcat(pMsgBuf, "Content-Type: application/sdp"RTSP_EL); /*实体头，表示实体类型*/
/*用于解析实体内相对url的 绝对url*/
sprintf(pMsgBuf + strlen(pMsgBuf), "Content-Base: rtsp://%s/%s/"RTSP_EL, s8Str, object);
sprintf(pMsgBuf + strlen(pMsgBuf), "Content-Length: %d"RTSP_EL, strlen(descr)); /*消息体的长度*/
strcat(pMsgBuf, RTSP_EL);
/*消息头结束*/
/*加上消息体*/
strcat(pMsgBuf, descr); /*describe消息*/
/*向缓冲区中填充数据*/
bwrite(pMsgBuf, (unsigned short) strlen(pMsgBuf), rtsp);
free(pMsgBuf);
return ERR_NOERROR;
}
int send_teardown_reply(RTSP_buffer * pRtsp, long SessionId, long cseq)
{
char s8Str[1024];
char s8Temp[30];
// 构建回复消息
sprintf(s8Str, "%s %d %s"RTSP_EL"CSeq: %ld"RTSP_EL"Server: %s/%s"RTSP_EL, RTSP_VER,\
200, get_stat(200), cseq, PACKAGE, VERSION);
//添加时间戳
add_time_stamp(s8Str, 0);
//会话ID
sprintf(s8Temp, "Session: %ld"RTSP_EL, SessionId);
strcat(s8Str, s8Temp);
strcat(s8Str, RTSP_EL);
//写入缓冲区
bwrite(s8Str, (unsigned short) strlen(s8Str), pRtsp);
return ERR_NOERROR;
}
int send_setup_reply(RTSP_buffer *pRtsp, RTSP_session *pSession, RTP_session *pRtpSes)
{
char s8Str[1024];
sprintf(s8Str, "%s %d %s"RTSP_EL"CSeq: %ld"RTSP_EL"Server: %s/%s"RTSP_EL, RTSP_VER,\
200, get_stat(200), (long int)pRtsp->rtsp_cseq, PACKAGE, VERSION);
add_time_stamp(s8Str, 0);
sprintf(s8Str + strlen(s8Str), "Session: %d"RTSP_EL"Transport: ", (pSession->session_id));
switch (pRtpSes->transport.type)
{
case RTP_rtp_avp:
if (pRtpSes->transport.u.udp.is_multicast)
{
// sprintf(s8Str + strlen(s8Str), "RTP/AVP;multicast;ttl=%d;destination=%s;port=", (int)DEFAULT_TTL, descr->multicast);
}
else
{
sprintf(s8Str + strlen(s8Str), "RTP/AVP;unicast;client_port=%d-%d;destination=192.168.245.65;source=%s;server_port=", \
pRtpSes->transport.u.udp.cli_ports.RTP, pRtpSes->transport.u.udp.cli_ports.RTCP,"192.168.245.96");
}
sprintf(s8Str + strlen(s8Str), "%d-%d"RTSP_EL, pRtpSes->transport.u.udp.ser_ports.RTP, pRtpSes->transport.u.udp.ser_ports.RTCP);
break;
case RTP_rtp_avp_tcp:
sprintf(s8Str + strlen(s8Str), "RTP/AVP/TCP;interleaved=%d-%d"RTSP_EL, \
pRtpSes->transport.u.tcp.interleaved.RTP, pRtpSes->transport.u.tcp.interleaved.RTCP);
break;
default:
break;
}
strcat(s8Str, RTSP_EL);
bwrite(s8Str, (unsigned short) strlen(s8Str), pRtsp);
return ERR_NOERROR;
}
S32 send_play_reply(S32 status,S32 cur_conn_num)
{
CHAR temp[255];
if(!rtsp[cur_conn_num]->out_buffer) {
return -1;
}
/* build a reply message */
sprintf(rtsp[cur_conn_num]->out_buffer, "%s %d %s"RTSP_EL"CSeq: %d"RTSP_EL"Server: %s/%s"RTSP_EL, RTSP_VER, status, (CHAR *)get_stat(status), rtsp[cur_conn_num]->rtsp_cseq, PACKAGE,
VERSION);
add_time_stamp(rtsp[cur_conn_num]->out_buffer, 0);
strcat(rtsp[cur_conn_num]->out_buffer, "Session: ");
sprintf(temp, "%d", rtsp[cur_conn_num]->session_id);
strcat(rtsp[cur_conn_num]->out_buffer, temp);
strcat(rtsp[cur_conn_num]->out_buffer, RTSP_EL);
strcat(rtsp[cur_conn_num]->out_buffer, RTSP_EL);
if(write(rtsp[cur_conn_num]->cli_rtsp.cli_fd, rtsp[cur_conn_num]->out_buffer, strlen(rtsp[cur_conn_num]->out_buffer))<0){
printf("send_play_reply error\n");
return -1;
}
return 0;
}
