2005-04-16 12:51:09 +00:00
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/* Imported from the dvbstream-0.2 project
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*
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* Modified for use with MPlayer, for details see the CVS changelog at
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* http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
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* $Id$
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*/
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2001-12-23 22:09:02 +00:00
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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2005-05-29 12:54:00 +00:00
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#include <ctype.h>
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2003-06-11 16:48:09 +00:00
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#include "config.h"
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#ifndef HAVE_WINSOCK2
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#include <netinet/in.h>
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2001-12-23 22:09:02 +00:00
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#include <sys/socket.h>
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#include <arpa/inet.h>
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2005-05-29 12:54:00 +00:00
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#define closesocket close
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2003-06-11 16:48:09 +00:00
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#else
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#endif
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2005-05-29 12:54:00 +00:00
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#include <errno.h>
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#include "stream.h"
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2001-12-23 22:09:02 +00:00
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/* MPEG-2 TS RTP stack */
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#define DEBUG 1
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#include "rtp.h"
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2005-05-29 12:54:00 +00:00
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extern int network_bandwidth;
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int read_rtp_from_server(int fd, char *buffer, int length) {
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struct rtpheader rh;
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char *data;
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int len;
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static int got_first = 0;
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static unsigned short sequence;
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if( buffer==NULL || length<0 ) return -1;
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getrtp2(fd, &rh, &data, &len);
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if( got_first && rh.b.sequence != (unsigned short)(sequence+1) )
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mp_msg(MSGT_NETWORK,MSGL_ERR,"RTP packet sequence error! Expected: %d, received: %d\n",
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sequence+1, rh.b.sequence);
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got_first = 1;
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sequence = rh.b.sequence;
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memcpy(buffer, data, len);
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return(len);
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}
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// Start listening on a UDP port. If multicast, join the group.
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static int rtp_open_socket( URL_t *url ) {
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int socket_server_fd, rxsockbufsz;
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int err, err_len;
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fd_set set;
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struct sockaddr_in server_address;
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struct ip_mreq mcast;
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struct timeval tv;
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struct hostent *hp;
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mp_msg(MSGT_NETWORK,MSGL_V,"Listening for traffic on %s:%d ...\n", url->hostname, url->port );
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socket_server_fd = socket(AF_INET, SOCK_DGRAM, 0);
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// fcntl( socket_server_fd, F_SETFL, fcntl(socket_server_fd, F_GETFL) | O_NONBLOCK );
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if( socket_server_fd==-1 ) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to create socket\n");
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return -1;
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}
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if( isalpha(url->hostname[0]) ) {
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#ifndef HAVE_WINSOCK2
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hp =(struct hostent*)gethostbyname( url->hostname );
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if( hp==NULL ) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", url->hostname);
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2005-06-19 12:42:36 +00:00
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goto err_out;
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2005-05-29 12:54:00 +00:00
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}
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2006-05-13 05:51:35 +00:00
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memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr_list[0], hp->h_length );
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2005-05-29 12:54:00 +00:00
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#else
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server_address.sin_addr.s_addr = htonl(INADDR_ANY);
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#endif
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} else {
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#ifndef HAVE_WINSOCK2
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#ifdef USE_ATON
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inet_aton(url->hostname, &server_address.sin_addr);
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#else
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inet_pton(AF_INET, url->hostname, &server_address.sin_addr);
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#endif
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#else
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server_address.sin_addr.s_addr = htonl(INADDR_ANY);
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#endif
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}
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server_address.sin_family=AF_INET;
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server_address.sin_port=htons(url->port);
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if( bind( socket_server_fd, (struct sockaddr*)&server_address, sizeof(server_address) )==-1 ) {
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#ifndef HAVE_WINSOCK2
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if( errno!=EINPROGRESS ) {
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#else
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if( WSAGetLastError() != WSAEINPROGRESS ) {
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#endif
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Failed to connect to server\n");
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2005-06-19 12:42:36 +00:00
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goto err_out;
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2005-05-29 12:54:00 +00:00
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}
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}
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#ifdef HAVE_WINSOCK2
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if (isalpha(url->hostname[0])) {
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hp =(struct hostent*)gethostbyname( url->hostname );
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if( hp==NULL ) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Counldn't resolve name: %s\n", url->hostname);
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2005-06-19 12:42:36 +00:00
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goto err_out;
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2005-05-29 12:54:00 +00:00
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}
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memcpy( (void*)&server_address.sin_addr.s_addr, (void*)hp->h_addr, hp->h_length );
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} else {
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unsigned int addr = inet_addr(url->hostname);
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memcpy( (void*)&server_address.sin_addr, (void*)&addr, sizeof(addr) );
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}
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#endif
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// Increase the socket rx buffer size to maximum -- this is UDP
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rxsockbufsz = 240 * 1024;
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if( setsockopt( socket_server_fd, SOL_SOCKET, SO_RCVBUF, &rxsockbufsz, sizeof(rxsockbufsz))) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Couldn't set receive socket buffer size\n");
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}
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if((ntohl(server_address.sin_addr.s_addr) >> 28) == 0xe) {
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mcast.imr_multiaddr.s_addr = server_address.sin_addr.s_addr;
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//mcast.imr_interface.s_addr = inet_addr("10.1.1.2");
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mcast.imr_interface.s_addr = 0;
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if( setsockopt( socket_server_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mcast, sizeof(mcast))) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"IP_ADD_MEMBERSHIP failed (do you have multicasting enabled in your kernel?)\n");
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2005-06-19 12:42:36 +00:00
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goto err_out;
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2005-05-29 12:54:00 +00:00
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}
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}
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tv.tv_sec = 0;
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tv.tv_usec = (1 * 1000000); // 1 second timeout
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FD_ZERO( &set );
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FD_SET( socket_server_fd, &set );
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2005-06-19 12:42:36 +00:00
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err = select(socket_server_fd+1, &set, NULL, NULL, &tv);
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if (err < 0) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL, "Select failed: %s\n", strerror(errno));
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goto err_out;
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}
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if (err == 0) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"Timeout! No data from host %s\n", url->hostname );
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goto err_out;
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}
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2005-05-29 12:54:00 +00:00
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err_len = sizeof( err );
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getsockopt( socket_server_fd, SOL_SOCKET, SO_ERROR, &err, &err_len );
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if( err ) {
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mp_msg(MSGT_NETWORK,MSGL_DBG2,"Socket error: %d\n", err );
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2005-06-19 12:42:36 +00:00
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goto err_out;
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2005-05-29 12:54:00 +00:00
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}
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return socket_server_fd;
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2005-06-19 12:42:36 +00:00
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err_out:
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closesocket(socket_server_fd);
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return -1;
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2005-05-29 12:54:00 +00:00
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}
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static int rtp_streaming_read( int fd, char *buffer, int size, streaming_ctrl_t *streaming_ctrl ) {
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return read_rtp_from_server( fd, buffer, size );
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}
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static int rtp_streaming_start( stream_t *stream, int raw_udp ) {
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streaming_ctrl_t *streaming_ctrl;
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int fd;
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if( stream==NULL ) return -1;
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streaming_ctrl = stream->streaming_ctrl;
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fd = stream->fd;
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if( fd<0 ) {
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fd = rtp_open_socket( (streaming_ctrl->url) );
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if( fd<0 ) return -1;
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stream->fd = fd;
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}
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if(raw_udp)
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streaming_ctrl->streaming_read = nop_streaming_read;
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else
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streaming_ctrl->streaming_read = rtp_streaming_read;
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streaming_ctrl->streaming_seek = nop_streaming_seek;
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streaming_ctrl->prebuffer_size = 64*1024; // 64 KBytes
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streaming_ctrl->buffering = 0;
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streaming_ctrl->status = streaming_playing_e;
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return 0;
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}
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2001-12-23 22:09:02 +00:00
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int getrtp2(int fd, struct rtpheader *rh, char** data, int* lengthData) {
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static char buf[1600];
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unsigned int intP;
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char* charP = (char*) &intP;
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int headerSize;
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int lengthPacket;
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lengthPacket=recv(fd,buf,1590,0);
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if (lengthPacket==0)
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exit(1);
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if (lengthPacket<0) {
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fprintf(stderr,"socket read error\n");
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exit(2);
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}
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if (lengthPacket<12) {
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fprintf(stderr,"packet too small (%d) to be an rtp frame (>12bytes)\n", lengthPacket);
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exit(3);
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}
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rh->b.v = (unsigned int) ((buf[0]>>6)&0x03);
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rh->b.p = (unsigned int) ((buf[0]>>5)&0x01);
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rh->b.x = (unsigned int) ((buf[0]>>4)&0x01);
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rh->b.cc = (unsigned int) ((buf[0]>>0)&0x0f);
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rh->b.m = (unsigned int) ((buf[1]>>7)&0x01);
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rh->b.pt = (unsigned int) ((buf[1]>>0)&0x7f);
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intP = 0;
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memcpy(charP+2,&buf[2],2);
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rh->b.sequence = ntohl(intP);
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intP = 0;
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memcpy(charP,&buf[4],4);
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rh->timestamp = ntohl(intP);
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headerSize = 12 + 4*rh->b.cc; /* in bytes */
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*lengthData = lengthPacket - headerSize;
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*data = (char*) buf + headerSize;
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// fprintf(stderr,"Reading rtp: v=%x p=%x x=%x cc=%x m=%x pt=%x seq=%x ts=%x lgth=%d\n",rh->b.v,rh->b.p,rh->b.x,rh->b.cc,rh->b.m,rh->b.pt,rh->b.sequence,rh->timestamp,lengthPacket);
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return(0);
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}
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2005-05-29 12:54:00 +00:00
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static int open_s(stream_t *stream,int mode, void* opts, int* file_format) {
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URL_t *url;
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int udp = 0;
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mp_msg(MSGT_OPEN, MSGL_INFO, "STREAM_RTP, URL: %s\n", stream->url);
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stream->streaming_ctrl = streaming_ctrl_new();
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if( stream->streaming_ctrl==NULL ) {
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return STREAM_ERROR;
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}
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stream->streaming_ctrl->bandwidth = network_bandwidth;
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url = url_new(stream->url);
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stream->streaming_ctrl->url = check4proxies(url);
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if( url->port==0 ) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"You must enter a port number for RTP and UDP streams!\n");
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goto fail;
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}
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if(!strncmp(stream->url, "udp", 3))
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udp = 1;
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if(rtp_streaming_start(stream, udp) < 0) {
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mp_msg(MSGT_NETWORK,MSGL_ERR,"rtp_streaming_start(rtp) failed\n");
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goto fail;
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}
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stream->type = STREAMTYPE_STREAM;
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fixup_network_stream_cache(stream);
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return STREAM_OK;
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fail:
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streaming_ctrl_free( stream->streaming_ctrl );
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stream->streaming_ctrl = NULL;
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return STREAM_UNSUPORTED;
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}
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stream_info_t stream_info_rtp_udp = {
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"mpeg rtp and upd streaming",
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"rtp and udp",
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"Dave Chapman",
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"native rtp support",
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open_s,
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{"rtp", "udp", NULL},
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NULL,
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0 // Urls are an option string
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};
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