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826965326c
Fix sig11 with rtsp://wms.stream.aol.com/aol/us/moviefone/movies/2006/jesuscamp_027214/prestigethe_trlr_01_460.wmv git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19601 b3059339-0415-0410-9bf9-f77b7e298cf2
267 lines
7.5 KiB
C
267 lines
7.5 KiB
C
/*
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* This file was ported to MPlayer from xine CVS rtsp_session.c,v 1.9 2003/02/11 16:20:40
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*/
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/*
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* Copyright (C) 2000-2002 the xine project
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*
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* This file is part of xine, a free video player.
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*
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* xine is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* xine is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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*
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* high level interface to rtsp servers.
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*
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* 2006, Benjamin Zores and Vincent Mussard
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* Support for MPEG-TS streaming through RFC compliant RTSP servers
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*/
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#include <sys/types.h>
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#include "config.h"
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#ifndef HAVE_WINSOCK2
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#else
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#include <winsock2.h>
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#endif
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#include <unistd.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "mp_msg.h"
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#include "../url.h"
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#include "../rtp.h"
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#include "rtsp.h"
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#include "rtsp_rtp.h"
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#include "rtsp_session.h"
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#include "../realrtsp/real.h"
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#include "../realrtsp/rmff.h"
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#include "../realrtsp/asmrp.h"
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#include "../realrtsp/xbuffer.h"
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/*
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#define LOG
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*/
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#define RTSP_OPTIONS_PUBLIC "Public"
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#define RTSP_OPTIONS_SERVER "Server"
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#define RTSP_OPTIONS_LOCATION "Location"
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#define RTSP_OPTIONS_REAL "RealChallenge1"
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#define RTSP_SERVER_TYPE_REAL "Real"
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#define RTSP_SERVER_TYPE_HELIX "Helix"
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#define RTSP_SERVER_TYPE_UNKNOWN "unknown"
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struct rtsp_session_s {
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rtsp_t *s;
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struct real_rtsp_session_t* real_session;
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struct rtp_rtsp_session_t* rtp_session;
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};
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//rtsp_session_t *rtsp_session_start(char *mrl) {
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rtsp_session_t *rtsp_session_start(int fd, char **mrl, char *path, char *host, int port, int *redir, uint32_t bandwidth) {
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rtsp_session_t *rtsp_session = NULL;
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char *server;
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char *mrl_line = NULL;
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rmff_header_t *h;
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rtsp_session = malloc (sizeof (rtsp_session_t));
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rtsp_session->s = NULL;
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rtsp_session->real_session = NULL;
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rtsp_session->rtp_session = NULL;
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//connect:
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*redir = 0;
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/* connect to server */
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rtsp_session->s=rtsp_connect(fd,*mrl,path,host,port,NULL);
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if (!rtsp_session->s)
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{
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mp_msg (MSGT_OPEN, MSGL_ERR,"rtsp_session: failed to connect to server %s\n", path);
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free(rtsp_session);
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return NULL;
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}
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/* looking for server type */
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if (rtsp_search_answers(rtsp_session->s,RTSP_OPTIONS_SERVER))
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server=strdup(rtsp_search_answers(rtsp_session->s,RTSP_OPTIONS_SERVER));
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else {
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if (rtsp_search_answers(rtsp_session->s,RTSP_OPTIONS_REAL))
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server=strdup(RTSP_SERVER_TYPE_REAL);
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else
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server=strdup(RTSP_SERVER_TYPE_UNKNOWN);
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}
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if (strstr(server,RTSP_SERVER_TYPE_REAL) || strstr(server,RTSP_SERVER_TYPE_HELIX))
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{
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/* we are talking to a real server ... */
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h=real_setup_and_get_header(rtsp_session->s, bandwidth);
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if (!h) {
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/* got an redirect? */
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if (rtsp_search_answers(rtsp_session->s, RTSP_OPTIONS_LOCATION))
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{
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free(mrl_line);
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mrl_line=strdup(rtsp_search_answers(rtsp_session->s, RTSP_OPTIONS_LOCATION));
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mp_msg (MSGT_OPEN, MSGL_INFO,"rtsp_session: redirected to %s\n", mrl_line);
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rtsp_close(rtsp_session->s);
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free(server);
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free(*mrl);
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free(rtsp_session);
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/* tell the caller to redirect, return url to redirect to in mrl */
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*mrl = mrl_line;
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*redir = 1;
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return NULL;
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// goto connect; /* *shudder* i made a design mistake somewhere */
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} else
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{
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mp_msg (MSGT_OPEN, MSGL_ERR,"rtsp_session: session can not be established.\n");
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rtsp_close(rtsp_session->s);
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free (server);
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free(rtsp_session);
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return NULL;
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}
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}
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rtsp_session->real_session = init_real_rtsp_session ();
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rtsp_session->real_session->header_len =
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rmff_dump_header (h, (char *) rtsp_session->real_session->header, 1024);
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rtsp_session->real_session->recv =
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xbuffer_copyin (rtsp_session->real_session->recv, 0,
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rtsp_session->real_session->header,
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rtsp_session->real_session->header_len);
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rtsp_session->real_session->recv_size =
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rtsp_session->real_session->header_len;
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rtsp_session->real_session->recv_read = 0;
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} else /* not a Real server : try RTP instead */
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{
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char *public = NULL;
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/* look for the Public: field in response to RTSP OPTIONS */
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if (!(public = rtsp_search_answers (rtsp_session->s, RTSP_OPTIONS_PUBLIC)))
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{
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rtsp_close (rtsp_session->s);
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free (server);
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free (mrl_line);
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free (rtsp_session);
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return NULL;
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}
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/* check for minimalistic RTSP RFC compliance */
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if (!strstr (public, RTSP_METHOD_DESCRIBE)
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|| !strstr (public, RTSP_METHOD_SETUP)
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|| !strstr (public, RTSP_METHOD_PLAY)
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|| !strstr (public, RTSP_METHOD_TEARDOWN))
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{
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mp_msg (MSGT_OPEN, MSGL_ERR,
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"Remote server does not meet minimal RTSP 1.0 compliance.\n");
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rtsp_close (rtsp_session->s);
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free (server);
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free (mrl_line);
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free (rtsp_session);
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return NULL;
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}
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rtsp_session->rtp_session = rtp_setup_and_play (rtsp_session->s);
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/* neither a Real or an RTP server */
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if (!rtsp_session->rtp_session)
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{
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mp_msg (MSGT_OPEN, MSGL_ERR, "rtsp_session: unsupported RTSP server. ");
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mp_msg (MSGT_OPEN, MSGL_ERR, "Server type is '%s'.\n", server);
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rtsp_close (rtsp_session->s);
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free (server);
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free (mrl_line);
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free (rtsp_session);
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return NULL;
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}
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}
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free(server);
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return rtsp_session;
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}
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int rtsp_session_read (rtsp_session_t *this, char *data, int len) {
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if (this->real_session) {
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int to_copy=len;
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char *dest=data;
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char *source =
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(char *) (this->real_session->recv + this->real_session->recv_read);
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int fill = this->real_session->recv_size - this->real_session->recv_read;
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if (len < 0) return 0;
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while (to_copy > fill) {
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memcpy(dest, source, fill);
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to_copy -= fill;
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dest += fill;
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this->real_session->recv_read = 0;
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this->real_session->recv_size =
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real_get_rdt_chunk (this->s, (char **)&(this->real_session->recv));
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if (this->real_session->recv_size < 0)
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return -1;
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source = (char *) this->real_session->recv;
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fill = this->real_session->recv_size;
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if (this->real_session->recv_size == 0) {
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#ifdef LOG
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mp_msg (MSGT_OPEN, MSGL_INFO, "librtsp: %d of %d bytes provided\n", len-to_copy, len);
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#endif
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return len-to_copy;
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}
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}
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memcpy(dest, source, to_copy);
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this->real_session->recv_read += to_copy;
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#ifdef LOG
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mp_msg (MSGT_OPEN, MSGL_INFO, "librtsp: %d bytes provided\n", len);
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#endif
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return len;
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}
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else if (this->rtp_session)
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{
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int l = 0;
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l = read_rtp_from_server (this->rtp_session->rtp_socket, data, len);
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/* send RTSP and RTCP keepalive */
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rtcp_send_rr (this->s, this->rtp_session);
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if (l == 0)
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rtsp_session_end (this);
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return l;
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}
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return 0;
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}
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void rtsp_session_end(rtsp_session_t *session) {
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rtsp_close(session->s);
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if (session->real_session)
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free_real_rtsp_session (session->real_session);
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if (session->rtp_session)
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rtp_session_free (session->rtp_session);
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free(session);
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}
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