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authorwm4 <wm4@nowhere>2012-08-01 17:30:31 +0200
committerwm4 <wm4@nowhere>2012-08-01 17:47:14 +0200
commit59b938c8aa7d903e849748b737d45ccd949ef419 (patch)
tree8418d35dc94e3e7a8f185a1e63dbdad45e271e8d /stream/librtsp/rtsp_rtp.c
parentc92538dfaa5eb7e9b2773f158cbb310545116abe (diff)
downloadmpv-59b938c8aa7d903e849748b737d45ccd949ef419.tar.bz2
mpv-59b938c8aa7d903e849748b737d45ccd949ef419.tar.xz
stream: remove native RTSP/RTP/PNM support
There are still various other RTSP implementations available, such as libnemesi, live555, and libav. The mplayer native version was a huge chunk of old unmaintained code.
Diffstat (limited to 'stream/librtsp/rtsp_rtp.c')
-rw-r--r--stream/librtsp/rtsp_rtp.c700
1 files changed, 0 insertions, 700 deletions
diff --git a/stream/librtsp/rtsp_rtp.c b/stream/librtsp/rtsp_rtp.c
deleted file mode 100644
index ca82209252..0000000000
--- a/stream/librtsp/rtsp_rtp.c
+++ /dev/null
@@ -1,700 +0,0 @@
-/*
- * Copyright (C) 2006 Benjamin Zores
- * based on the Freebox patch for xine by Vincent Mussard
- * but with many enhancements for better RTSP RFC compliance.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <unistd.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <inttypes.h>
-
-#include "config.h"
-
-#if !HAVE_WINSOCK2_H
-#include <netdb.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#else
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#endif
-
-#include "mp_msg.h"
-#include "rtsp.h"
-#include "rtsp_rtp.h"
-#include "rtsp_session.h"
-#include "stream/network.h"
-#include "stream/freesdp/common.h"
-#include "stream/freesdp/parser.h"
-#include "libavutil/avstring.h"
-
-#define RTSP_DEFAULT_PORT 31336
-#define MAX_LENGTH 256
-
-#define RTSP_ACCEPT_SDP "Accept: application/sdp"
-#define RTSP_CONTENT_LENGTH "Content-length"
-#define RTSP_CONTENT_TYPE "Content-Type"
-#define RTSP_APPLICATION_SDP "application/sdp"
-#define RTSP_RANGE "Range: "
-#define RTSP_NPT_NOW "npt=now-"
-#define RTSP_MEDIA_CONTAINER_MPEG_TS "33"
-#define RTSP_TRANSPORT_REQUEST "Transport: RTP/AVP;%s;%s%i-%i;mode=\"PLAY\""
-
-#define RTSP_TRANSPORT_MULTICAST "multicast"
-#define RTSP_TRANSPORT_UNICAST "unicast"
-
-#define RTSP_MULTICAST_PORT "port="
-#define RTSP_UNICAST_CLIENT_PORT "client_port="
-#define RTSP_UNICAST_SERVER_PORT "server_port="
-#define RTSP_SETUP_DESTINATION "destination="
-
-#define RTSP_SESSION "Session"
-#define RTSP_TRANSPORT "Transport"
-
-/* hardcoded RTCP RR - this is _NOT_ RFC compliant */
-#define RTCP_RR_SIZE 32
-#define RTCP_RR "\201\311\0\7(.JD\31+\306\343\0\0\0\0\0\0/E\0\0\2&\0\0\0\0\0\0\0\0\201"
-#define RTCP_SEND_FREQUENCY 1024
-
-int rtsp_port = 0;
-char *rtsp_destination = NULL;
-
-void
-rtcp_send_rr (rtsp_t *s, struct rtp_rtsp_session_t *st)
-{
- if (st->rtcp_socket == -1)
- return;
-
- /* send RTCP RR every RTCP_SEND_FREQUENCY packets
- * FIXME : NOT CORRECT, HARDCODED, BUT MAKES SOME SERVERS HAPPY
- * not rfc compliant
- * http://www.faqs.org/rfcs/rfc1889.html chapter 6 for RTCP
- */
-
- if (st->count == RTCP_SEND_FREQUENCY)
- {
- char rtcp_content[RTCP_RR_SIZE];
- strcpy (rtcp_content, RTCP_RR);
- send (st->rtcp_socket, rtcp_content, RTCP_RR_SIZE, DEFAULT_SEND_FLAGS);
-
- /* ping RTSP server to keep connection alive.
- we use OPTIONS instead of PING as not all servers support it */
- rtsp_request_options (s, "*");
- st->count = 0;
- }
- else
- st->count++;
-}
-
-static struct rtp_rtsp_session_t *
-rtp_session_new (void)
-{
- struct rtp_rtsp_session_t *st = NULL;
-
- st = malloc (sizeof (struct rtp_rtsp_session_t));
-
- st->rtp_socket = -1;
- st->rtcp_socket = -1;
- st->control_url = NULL;
- st->count = 0;
-
- return st;
-}
-
-void
-rtp_session_free (struct rtp_rtsp_session_t *st)
-{
- if (!st)
- return;
-
- if (st->rtp_socket != -1)
- close (st->rtp_socket);
- if (st->rtcp_socket != -1)
- close (st->rtcp_socket);
-
- free (st->control_url);
- free (st);
-}
-
-static void
-rtp_session_set_fd (struct rtp_rtsp_session_t *st,
- int rtp_sock, int rtcp_sock)
-{
- if (!st)
- return;
-
- st->rtp_socket = rtp_sock;
- st->rtcp_socket = rtcp_sock;
-}
-
-static int
-parse_port (const char *line, const char *param,
- int *rtp_port, int *rtcp_port)
-{
- char *parse1;
- char *parse2;
- char *parse3;
-
- char *line_copy = strdup (line);
-
- parse1 = strstr (line_copy, param);
-
- if (parse1)
- {
- parse2 = strstr (parse1, "-");
-
- if (parse2)
- {
- parse3 = strstr (parse2, ";");
-
- if (parse3)
- parse3[0] = 0;
-
- parse2[0] = 0;
- }
- else
- {
- free (line_copy);
- return 0;
- }
- }
- else
- {
- free (line_copy);
- return 0;
- }
-
- *rtp_port = atoi (parse1 + strlen (param));
- *rtcp_port = atoi (parse2 + 1);
-
- free (line_copy);
-
- return 1;
-}
-
-static char *
-parse_destination (const char *line)
-{
- char *parse1;
- char *parse2;
-
- char *dest = NULL;
- char *line_copy = strdup (line);
- int len;
-
- parse1 = strstr (line_copy, RTSP_SETUP_DESTINATION);
- if (!parse1)
- {
- free (line_copy);
- return NULL;
- }
-
- parse2 = strstr (parse1, ";");
- if (!parse2)
- {
- free (line_copy);
- return NULL;
- }
-
- len = strlen (parse1) - strlen (parse2)
- - strlen (RTSP_SETUP_DESTINATION) + 1;
- dest = (char *) malloc (len + 1);
- av_strlcpy (dest, parse1 + strlen (RTSP_SETUP_DESTINATION), len);
- free (line_copy);
-
- return dest;
-}
-
-static int
-rtcp_connect (int client_port, int server_port, const char* server_hostname)
-{
- struct sockaddr_in sin;
- struct hostent *hp;
- int s;
-
- if (client_port <= 1023)
- return -1;
-
- s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP);
- if (s == -1)
- return -1;
-
- hp = gethostbyname (server_hostname);
- if (!hp)
- {
- close (s);
- return -1;
- }
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
- sin.sin_port = htons (client_port);
-
- if (bind (s, (struct sockaddr *) &sin, sizeof (sin)))
- {
-#if !HAVE_WINSOCK2_H
- if (errno != EINPROGRESS)
-#else
- if (WSAGetLastError() != WSAEINPROGRESS)
-#endif
- {
- close (s);
- return -1;
- }
- }
-
- sin.sin_family = AF_INET;
- memcpy (&(sin.sin_addr.s_addr), hp->h_addr, sizeof (hp->h_addr));
- sin.sin_port = htons (server_port);
-
- /* datagram socket */
- if (connect (s, (struct sockaddr *) &sin, sizeof (sin)) < 0)
- {
- close (s);
- return -1;
- }
-
- return s;
-}
-
-static int
-rtp_connect (char *hostname, int port)
-{
- struct sockaddr_in sin;
- struct timeval tv;
- int err, err_len;
- int rxsockbufsz;
- int s;
- fd_set set;
-
- if (port <= 1023)
- return -1;
-
- s = socket (PF_INET, SOCK_DGRAM, 0);
- if (s == -1)
- return -1;
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- if (!hostname || !strcmp (hostname, "0.0.0.0"))
- sin.sin_addr.s_addr = htonl (INADDR_ANY);
- else
-#if HAVE_INET_PTON
- inet_pton (AF_INET, hostname, &sin.sin_addr);
-#elif HAVE_INET_ATON
- inet_aton (hostname, &sin.sin_addr);
-#elif HAVE_WINSOCK2_H
- sin.sin_addr.s_addr = htonl (INADDR_ANY);
-#endif
- sin.sin_port = htons (port);
-
- /* Increase the socket rx buffer size to maximum -- this is UDP */
- rxsockbufsz = 240 * 1024;
- if (setsockopt (s, SOL_SOCKET, SO_RCVBUF,
- &rxsockbufsz, sizeof (rxsockbufsz)))
- mp_msg (MSGT_OPEN, MSGL_ERR, "Couldn't set receive socket buffer size\n");
-
- /* if multicast address, add membership */
- if ((ntohl (sin.sin_addr.s_addr) >> 28) == 0xe)
- {
- struct ip_mreq mcast;
- mcast.imr_multiaddr.s_addr = sin.sin_addr.s_addr;
- mcast.imr_interface.s_addr = 0;
-
- if (setsockopt (s, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mcast, sizeof (mcast)))
- {
- mp_msg (MSGT_OPEN, MSGL_ERR, "IP_ADD_MEMBERSHIP failed\n");
- close (s);
- return -1;
- }
- }
-
- /* datagram socket */
- if (bind (s, (struct sockaddr *) &sin, sizeof (sin)))
- {
-#if !HAVE_WINSOCK2_H
- if (errno != EINPROGRESS)
-#else
- if (WSAGetLastError() != WSAEINPROGRESS)
-#endif
- {
- mp_msg (MSGT_OPEN, MSGL_ERR, "bind: %s\n", strerror (errno));
- close (s);
- return -1;
- }
- }
-
- tv.tv_sec = 1; /* 1 second timeout */
- tv.tv_usec = 0;
-
- FD_ZERO (&set);
- FD_SET (s, &set);
-
- err = select (s + 1, &set, NULL, NULL, &tv);
- if (err < 0)
- {
- mp_msg (MSGT_OPEN, MSGL_ERR, "Select failed: %s\n", strerror (errno));
- close (s);
- return -1;
- }
- else if (err == 0)
- {
- mp_msg (MSGT_OPEN, MSGL_ERR, "Timeout! No data from host %s\n", hostname);
- close (s);
- return -1;
- }
-
- err_len = sizeof (err);
- getsockopt (s, SOL_SOCKET, SO_ERROR, &err, (socklen_t *) &err_len);
- if (err)
- {
- mp_msg (MSGT_OPEN, MSGL_ERR, "Socket error: %d\n", err);
- close (s);
- return -1;
- }
-
- return s;
-}
-
-static int
-is_multicast_address (char *addr)
-{
- struct sockaddr_in sin;
-
- if (!addr)
- return -1;
-
- sin.sin_family = AF_INET;
-
-#if HAVE_INET_PTON
- inet_pton (AF_INET, addr, &sin.sin_addr);
-#elif HAVE_INET_ATON
- inet_aton (addr, &sin.sin_addr);
-#elif HAVE_WINSOCK2_H
- sin.sin_addr.s_addr = htonl (INADDR_ANY);
-#endif
-
- if ((ntohl (sin.sin_addr.s_addr) >> 28) == 0xe)
- return 1;
-
- return 0;
-}
-
-struct rtp_rtsp_session_t *
-rtp_setup_and_play (rtsp_t *rtsp_session)
-{
- struct rtp_rtsp_session_t* rtp_session = NULL;
- const fsdp_media_description_t *med_dsc = NULL;
- char temp_buf[MAX_LENGTH + 1];
- char npt[256];
-
- char* answer;
- char* sdp;
- char *server_addr = NULL;
- char *destination = NULL;
-
- int statut;
- int content_length = 0;
- int is_multicast = 0;
-
- fsdp_description_t *dsc = NULL;
- fsdp_error_t result;
-
- int client_rtp_port = -1;
- int client_rtcp_port = -1;
- int server_rtp_port = -1;
- int server_rtcp_port = -1;
- int rtp_sock = -1;
- int rtcp_sock = -1;
-
- /* 1. send a RTSP DESCRIBE request to server */
- rtsp_schedule_field (rtsp_session, RTSP_ACCEPT_SDP);
- statut = rtsp_request_describe (rtsp_session, NULL);
- if (statut < 200 || statut > 299)
- return NULL;
-
- answer = rtsp_search_answers (rtsp_session, RTSP_CONTENT_LENGTH);
- if (answer)
- content_length = atoi (answer);
- else
- return NULL;
-
- answer = rtsp_search_answers (rtsp_session, RTSP_CONTENT_TYPE);
- if (!answer || !strstr (answer, RTSP_APPLICATION_SDP))
- return NULL;
-
- /* 2. read SDP message from server */
- sdp = (char *) malloc (content_length + 1);
- if (rtsp_read_data (rtsp_session, sdp, content_length) <= 0)
- {
- free (sdp);
- return NULL;
- }
- sdp[content_length] = 0;
-
- /* 3. parse SDP message */
- dsc = fsdp_description_new ();
- result = fsdp_parse (sdp, dsc);
- if (result != FSDPE_OK)
- {
- free (sdp);
- fsdp_description_delete (dsc);
- return NULL;
- }
- mp_msg (MSGT_OPEN, MSGL_V, "SDP:\n%s\n", sdp);
- free (sdp);
-
- /* 4. check for number of media streams: only one is supported */
- if (fsdp_get_media_count (dsc) != 1)
- {
- mp_msg (MSGT_OPEN, MSGL_ERR,
- "A single media stream only is supported atm.\n");
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* 5. set the Normal Play Time parameter
- * use range provided by server in SDP or start now if empty */
- sprintf (npt, RTSP_RANGE);
- if (fsdp_get_range (dsc))
- strcat (npt, fsdp_get_range (dsc));
- else
- strcat (npt, RTSP_NPT_NOW);
-
- /* 5. check for a valid media stream */
- med_dsc = fsdp_get_media (dsc, 0);
- if (!med_dsc)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* 6. parse the `m=<media> <port> <transport> <fmt list>' line */
-
- /* check for an A/V media */
- if (fsdp_get_media_type (med_dsc) != FSDP_MEDIA_VIDEO &&
- fsdp_get_media_type (med_dsc) != FSDP_MEDIA_AUDIO)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* only RTP/AVP transport method is supported right now */
- if (fsdp_get_media_transport_protocol (med_dsc) != FSDP_TP_RTP_AVP)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* only MPEG-TS is supported at the moment */
- if (!fsdp_get_media_format (med_dsc, 0) ||
- !strstr (fsdp_get_media_format (med_dsc, 0),
- RTSP_MEDIA_CONTAINER_MPEG_TS))
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* get client port (if any) advised by server */
- client_rtp_port = fsdp_get_media_port (med_dsc);
- if (client_rtp_port == -1)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* if client_rtp_port = 0 => let client randomly pick one */
- if (client_rtp_port == 0)
- {
- /* TODO: we should check if the port is in use first */
- if (rtsp_port)
- client_rtp_port = rtsp_port;
- else
- client_rtp_port = RTSP_DEFAULT_PORT;
- }
-
- /* RTCP port generally is RTP port + 1 */
- client_rtcp_port = client_rtp_port + 1;
-
- mp_msg (MSGT_OPEN, MSGL_V,
- "RTP Port from SDP appears to be: %d\n", client_rtp_port);
- mp_msg (MSGT_OPEN, MSGL_V,
- "RTCP Port from SDP appears to be: %d\n", client_rtcp_port);
-
- /* 7. parse the `c=<network type> <addr type> <connection address>' line */
-
- /* check for a valid media network type (inet) */
- if (fsdp_get_media_network_type (med_dsc) != FSDP_NETWORK_TYPE_INET)
- {
- /* no control for media: try global one instead */
- if (fsdp_get_global_conn_network_type (dsc) != FSDP_NETWORK_TYPE_INET)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
- }
-
- /* only IPv4 is supported atm. */
- if (fsdp_get_media_address_type (med_dsc) != FSDP_ADDRESS_TYPE_IPV4)
- {
- /* no control for media: try global one instead */
- if (fsdp_get_global_conn_address_type (dsc) != FSDP_ADDRESS_TYPE_IPV4)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
- }
-
- /* get the media server address to connect to */
- if (fsdp_get_media_address (med_dsc))
- server_addr = strdup (fsdp_get_media_address (med_dsc));
- else if (fsdp_get_global_conn_address (dsc))
- {
- /* no control for media: try global one instead */
- server_addr = strdup (fsdp_get_global_conn_address (dsc));
- }
-
- if (!server_addr)
- {
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* check for a UNICAST or MULTICAST address to connect to */
- is_multicast = is_multicast_address (server_addr);
-
- /* 8. initiate an RTP session */
- rtp_session = rtp_session_new ();
- if (!rtp_session)
- {
- free (server_addr);
- fsdp_description_delete (dsc);
- return NULL;
- }
-
- /* get the media control URL */
- if (fsdp_get_media_control (med_dsc, 0))
- rtp_session->control_url = strdup (fsdp_get_media_control (med_dsc, 0));
- fsdp_description_delete (dsc);
- if (!rtp_session->control_url)
- {
- free (server_addr);
- rtp_session_free (rtp_session);
- return NULL;
- }
-
- /* 9. create the payload for RTSP SETUP request */
- memset (temp_buf, '\0', MAX_LENGTH);
- snprintf (temp_buf, MAX_LENGTH,
- RTSP_TRANSPORT_REQUEST,
- is_multicast ? RTSP_TRANSPORT_MULTICAST : RTSP_TRANSPORT_UNICAST,
- is_multicast ? RTSP_MULTICAST_PORT : RTSP_UNICAST_CLIENT_PORT,
- client_rtp_port, client_rtcp_port);
- mp_msg (MSGT_OPEN, MSGL_V, "RTSP Transport: %s\n", temp_buf);
-
- rtsp_unschedule_field (rtsp_session, RTSP_SESSION);
- rtsp_schedule_field (rtsp_session, temp_buf);
-
- /* 10. check for the media control URL type and initiate RTSP SETUP */
- if (!strncmp (rtp_session->control_url, "rtsp://", 7)) /* absolute URL */
- statut = rtsp_request_setup (rtsp_session,
- rtp_session->control_url, NULL);
- else /* relative URL */
- statut = rtsp_request_setup (rtsp_session,
- NULL, rtp_session->control_url);
-
- if (statut < 200 || statut > 299)
- {
- free (server_addr);
- rtp_session_free (rtp_session);
- return NULL;
- }
-
- /* 11. parse RTSP SETUP response: we need it to actually determine
- * the real address and port to connect to */
- answer = rtsp_search_answers (rtsp_session, RTSP_TRANSPORT);
- if (!answer)
- {
- free (server_addr);
- rtp_session_free (rtp_session);
- return NULL;
- }
-
- /* check for RTP and RTCP ports to bind according to how request was done */
- is_multicast = 0;
- if (strstr (answer, RTSP_TRANSPORT_MULTICAST))
- is_multicast = 1;
-
- if (is_multicast)
- parse_port (answer, RTSP_MULTICAST_PORT,
- &client_rtp_port, &client_rtcp_port);
- else
- {
- parse_port (answer, RTSP_UNICAST_CLIENT_PORT,
- &client_rtp_port, &client_rtcp_port);
- parse_port (answer, RTSP_UNICAST_SERVER_PORT,
- &server_rtp_port, &server_rtcp_port);
- }
-
- /* now check network settings as determined by server */
- if (rtsp_destination)
- destination = strdup (rtsp_destination);
- else
- destination = parse_destination (answer);
- if (!destination)
- destination = strdup (server_addr);
- free (server_addr);
-
- mp_msg (MSGT_OPEN, MSGL_V, "RTSP Destination: %s\n", destination);
- mp_msg (MSGT_OPEN, MSGL_V, "Client RTP port : %d\n", client_rtp_port);
- mp_msg (MSGT_OPEN, MSGL_V, "Client RTCP port : %d\n", client_rtcp_port);
- mp_msg (MSGT_OPEN, MSGL_V, "Server RTP port : %d\n", server_rtp_port);
- mp_msg (MSGT_OPEN, MSGL_V, "Server RTCP port : %d\n", server_rtcp_port);
-
- /* 12. performs RTSP PLAY request */
- rtsp_schedule_field (rtsp_session, npt);
- statut = rtsp_request_play (rtsp_session, NULL);
- if (statut < 200 || statut > 299)
- {
- free (destination);
- rtp_session_free (rtp_session);
- return NULL;
- }
-
- /* 13. create RTP and RTCP connections */
- rtp_sock = rtp_connect (destination, client_rtp_port);
- rtcp_sock = rtcp_connect (client_rtcp_port, server_rtcp_port, destination);
- rtp_session_set_fd (rtp_session, rtp_sock, rtcp_sock);
- free (destination);
-
- mp_msg (MSGT_OPEN, MSGL_V, "RTP Sock : %d\nRTCP Sock : %d\n",
- rtp_session->rtp_socket, rtp_session->rtcp_socket);
-
- if (rtp_session->rtp_socket == -1)
- {
- rtp_session_free (rtp_session);
- return NULL;
- }
-
- return rtp_session;
-}