Real rstp:// streaming support, ported from xine

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9923 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 190 insertions, 0 deletions

diff --git a/libmpdemux/realrtsp/rtsp_session.c b/libmpdemux/realrtsp/rtsp_session.c
new file mode 100644
index 0000000000..2574dd9f60
--- /dev/null
+++ b/libmpdemux/realrtsp/rtsp_session.c
@@ -0,0 +1,190 @@
+/*
+ * This file was ported to MPlayer from xine CVS rtsp_session.c,v 1.9 2003/02/11 16:20:40
+ */
+
+/*
+ * Copyright (C) 2000-2002 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine 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.
+ *
+ * xine 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ *
+ * high level interface to rtsp servers.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "rtsp.h"
+#include "rtsp_session.h"
+#include "real.h"
+#include "rmff.h"
+#include "asmrp.h"
+
+/*
+#define LOG
+*/
+
+#define BUF_SIZE 4096
+#define HEADER_SIZE 4096
+
+struct rtsp_session_s {
+
+  rtsp_t       *s;
+
+  /* receive buffer */
+  uint8_t       recv[BUF_SIZE];
+  int           recv_size;
+  int           recv_read;
+
+  /* header buffer */
+  uint8_t       header[HEADER_SIZE];
+  int           header_len;
+  int           header_read;
+
+};
+
+//rtsp_session_t *rtsp_session_start(char *mrl) {
+rtsp_session_t *rtsp_session_start(int fd, char *mrl, char *path, char *host, int port) {
+
+  rtsp_session_t *rtsp_session=malloc(sizeof(rtsp_session_t));
+  char *server;
+  char *mrl_line = NULL;
+  rmff_header_t *h;
+  uint32_t bandwidth=10485800;
+
+connect:
+
+  /* connect to server */
+  rtsp_session->s=rtsp_connect(fd,mrl,path,host,port,NULL);
+  if (!rtsp_session->s)
+  {
+    printf("rtsp_session: failed to connect to server %s\n", path);
+    free(rtsp_session);
+    return NULL;
+  }
+
+  /* looking for server type */
+  if (rtsp_search_answers(rtsp_session->s,"Server"))
+    server=strdup(rtsp_search_answers(rtsp_session->s,"Server"));
+  else {
+    if (rtsp_search_answers(rtsp_session->s,"RealChallenge1"))
+      server=strdup("Real");
+    else
+      server=strdup("unknown");
+  }
+  if (strstr(server,"Real"))
+  {
+    /* we are talking to a real server ... */
+
+    h=real_setup_and_get_header(rtsp_session->s, bandwidth);
+    if (!h) {
+      /* got an redirect? */
+      if (rtsp_search_answers(rtsp_session->s, "Location"))
+      {
+        free(mrl_line);
+	mrl_line=strdup(rtsp_search_answers(rtsp_session->s, "Location"));
+        printf("rtsp_session: redirected to %s\n", mrl_line);
+	rtsp_close(rtsp_session->s);
+	free(server);
+  /* FIXME: this won't work in MPlayer, connection opened by caller */
+	goto connect; /* *shudder* i made a design mistake somewhere */
+      } else
+      {
+        printf("rtsp_session: session can not be established.\n");
+        rtsp_close(rtsp_session->s);
+        free(rtsp_session);
+        return NULL;
+      }
+    }
+	
+    rtsp_session->header_len=rmff_dump_header(h,rtsp_session->header,1024);
+
+    memcpy(rtsp_session->recv, rtsp_session->header, rtsp_session->header_len);
+    rtsp_session->recv_size = rtsp_session->header_len;
+    rtsp_session->recv_read = 0;
+    
+  } else
+  {
+    printf("rtsp_session: rtsp server type is '%s' instead of Real. Please report.\n",server);
+    rtsp_close(rtsp_session->s);
+    free(server);
+    free(rtsp_session);
+    return NULL;
+  }
+  free(server);
+  
+  return rtsp_session;
+}
+
+int rtsp_session_read (rtsp_session_t *this, char *data, int len) {
+  
+  int to_copy=len;
+  char *dest=data;
+  char *source=this->recv + this->recv_read;
+  int fill=this->recv_size - this->recv_read;
+
+  if (len < 0) return 0;
+  while (to_copy > fill) {
+    
+    memcpy(dest, source, fill);
+    to_copy -= fill;
+    dest += fill;
+    this->recv_read = 0;
+    source = this->recv;
+    this->recv_size = real_get_rdt_chunk (this->s, source);
+    fill = this->recv_size;
+
+    if (this->recv_size == 0) {
+#ifdef LOG
+      printf ("librtsp: %d of %d bytes provided\n", len-to_copy, len);
+#endif
+      return len-to_copy;
+    }
+  }
+  
+  memcpy(dest, source, to_copy);
+  this->recv_read += to_copy;
+
+#ifdef LOG
+  printf ("librtsp: %d bytes provided\n", len);
+#endif
+
+  return len;
+}
+
+int rtsp_session_peek_header(rtsp_session_t *this, char *buf, int maxsize) {
+
+  int len;
+
+  len = (this->header_len < maxsize) ? this->header_len : maxsize;
+
+  memcpy(buf, this->header, len);
+  return len;
+}
+
+void rtsp_session_end(rtsp_session_t *session) {
+
+  rtsp_close(session->s);
+  free(session);
+}