The rest of rtsp input plugin; sorry.

CVS patchset: 3496
CVS date: 2002/12/12 22:14:53

12 files changed, 3960 insertions, 0 deletions

diff --git a/src/input/libreal/Makefile.am b/src/input/libreal/Makefile.am
new file mode 100644
index 000000000..6a1cd9167
--- /dev/null
+++ b/src/input/libreal/Makefile.am
@@ -0,0 +1,31 @@
+REAL_CFLAGS = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
+
+AM_CFLAGS = $(REAL_CFLAGS) @ANSI_FLAGS@
+
+noinst_LTLIBRARIES = libreal.la
+
+libreal_la_SOURCES = \
+  real.c \
+  asmrp.c \
+  rmff.c
+
+libreal_la_LDFLAGS = $(THREAD_LIBS) -avoid-version -module
+
+noinst_HEADERS = \
+  real.h \
+  asmrp.h \
+  rmff.h
+  
+debug:
+	@$(MAKE) CFLAGS="$(DEBUG_CFLAGS) $(DVD_CFLAGS)"
+
+install-debug: debug
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+mostlyclean-generic:
+	-rm -f *~ \#* .*~ .\#*
+
+maintainer-clean-generic:
+	-@echo "This command is intended for maintainers to use;"
+	-@echo "it deletes files that may require special tools to rebuild."
+	-rm -f Makefile.in
diff --git a/src/input/libreal/asmrp.c b/src/input/libreal/asmrp.c
new file mode 100644
index 000000000..2505e8cc5
--- /dev/null
+++ b/src/input/libreal/asmrp.c
@@ -0,0 +1,666 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: asmrp.c,v 1.1 2002/12/12 22:14:54 holstsn Exp $
+ *
+ * a parser for real's asm rules
+ *
+ * grammar for these rules:
+ *
+
+   rule_book  = { rule }
+   rule       = ( '#' condition { ',' assignment } | [ assignment {',' assignment} ]) ';'
+   assignment = id '=' const
+   const      = ( number | string )
+   condition  = comp_expr { ( '&&' | '||' ) comp_expr }
+   comp_expr  = operand { ( '<' | '<=' | '==' | '>=' | '>' ) operand }
+   operand    = ( '$' id | num | '(' condition ')' )
+
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+/*
+#define LOG
+*/
+
+#define ASMRP_SYM_NONE         0
+#define ASMRP_SYM_EOF          1
+
+#define ASMRP_SYM_NUM          2
+#define ASMRP_SYM_ID           3
+#define ASMRP_SYM_STRING       4
+
+#define ASMRP_SYM_HASH         10
+#define ASMRP_SYM_SEMICOLON    11
+#define ASMRP_SYM_COMMA        12
+#define ASMRP_SYM_EQUALS       13
+#define ASMRP_SYM_AND          14
+#define ASMRP_SYM_OR           15
+#define ASMRP_SYM_LESS         16
+#define ASMRP_SYM_LEQ          17
+#define ASMRP_SYM_GEQ          18
+#define ASMRP_SYM_GREATER      19
+#define ASMRP_SYM_DOLLAR       20
+#define ASMRP_SYM_LPAREN       21
+#define ASMRP_SYM_RPAREN       22
+
+#define ASMRP_MAX_ID         1024
+
+#define ASMRP_MAX_SYMTAB       10
+
+typedef struct {
+  char *id;
+  int   v;
+} asmrp_sym_t;
+
+typedef struct {
+
+  /* public part */
+
+  int         sym;
+  int         num;
+  
+  char        str[ASMRP_MAX_ID];
+
+  /* private part */
+
+  char       *buf;
+  int         pos;
+  char        ch;
+
+  asmrp_sym_t sym_tab[ASMRP_MAX_SYMTAB];
+  int         sym_tab_num;
+
+} asmrp_t;
+
+static asmrp_t *asmrp_new () {
+
+  asmrp_t *p;
+
+  p = malloc (sizeof (asmrp_t));
+
+  p->sym_tab_num = 0;
+  p->sym         = ASMRP_SYM_NONE;
+
+  return p;
+}
+
+static void asmrp_dispose (asmrp_t *p) {
+
+  int i;
+
+  for (i=0; i<p->sym_tab_num; i++) 
+    free (p->sym_tab[i].id);
+
+  free (p);
+}
+
+static void asmrp_getch (asmrp_t *p) {
+  p->ch = p->buf[p->pos];
+  p->pos++;
+
+#ifdef LOG
+  printf ("%c\n", p->ch);
+#endif
+
+}
+
+static void asmrp_init (asmrp_t *p, const char *str) {
+
+  p->buf = strdup (str);
+  p->pos = 0;
+  
+  asmrp_getch (p);
+}
+
+static void asmrp_number (asmrp_t *p) {
+
+  int num;
+
+  num = 0;
+  while ( (p->ch>='0') && (p->ch<='9') ) {
+
+    num = num*10 + (p->ch - '0');
+
+    asmrp_getch (p);
+  }
+
+  p->sym = ASMRP_SYM_NUM;
+  p->num = num;
+}
+
+static void asmrp_string (asmrp_t *p) {
+
+  int l;
+
+  l = 0;
+
+  while ( (p->ch!='"') && (p->ch>=32) ) {
+
+    p->str[l] = p->ch;
+
+    l++;
+    asmrp_getch (p);
+  }
+  p->str[l]=0;
+  
+  if (p->ch=='"')
+    asmrp_getch (p);
+  
+  p->sym = ASMRP_SYM_STRING;
+}
+
+static void asmrp_identifier (asmrp_t *p) {
+
+  int l;
+
+  l = 0;
+
+  while ( ((p->ch>='A') && (p->ch<='z'))
+	  || ((p->ch>='0') && (p->ch<='9'))) {
+
+    p->str[l] = p->ch;
+
+    l++;
+    asmrp_getch (p);
+  }
+  p->str[l]=0;
+  
+  p->sym = ASMRP_SYM_ID;
+}
+
+#ifdef LOG
+static void asmrp_print_sym (asmrp_t *p) {
+
+  printf ("symbol: ");
+
+  switch (p->sym) {
+
+  case ASMRP_SYM_NONE:
+    printf ("NONE\n");
+    break;
+
+  case ASMRP_SYM_EOF:
+    printf ("EOF\n");
+    break;
+
+  case ASMRP_SYM_NUM:
+    printf ("NUM %d\n", p->num);
+    break;
+
+  case ASMRP_SYM_ID:
+    printf ("ID '%s'\n", p->str);
+    break;
+
+  case ASMRP_SYM_STRING:
+    printf ("STRING \"%s\"\n", p->str);
+    break;
+
+  case ASMRP_SYM_HASH:
+    printf ("#\n");
+    break;
+
+  case ASMRP_SYM_SEMICOLON:
+    printf (";\n");
+    break;
+  case ASMRP_SYM_COMMA:
+    printf (",\n");
+    break;
+  case ASMRP_SYM_EQUALS:
+    printf ("==\n");
+    break;
+  case ASMRP_SYM_AND:
+    printf ("&&\n");
+    break;
+  case ASMRP_SYM_OR:
+    printf ("||\n");
+    break;
+  case ASMRP_SYM_LESS:
+    printf ("<\n");
+    break;
+  case ASMRP_SYM_LEQ:
+    printf ("<=\n");
+    break;
+  case ASMRP_SYM_GEQ:
+    printf (">=\n");
+    break;
+  case ASMRP_SYM_GREATER:
+    printf (">\n");
+    break;
+  case ASMRP_SYM_DOLLAR:
+    printf ("$\n");
+    break;
+  case ASMRP_SYM_LPAREN:
+    printf ("(\n");
+    break;
+  case ASMRP_SYM_RPAREN:
+    printf (")\n");
+    break;
+
+  default:
+    printf ("unknown symbol %d\n", p->sym);
+  }
+}
+#endif
+
+static void asmrp_get_sym (asmrp_t *p) {
+
+  while (p->ch <= 32) {
+    if (p->ch == 0) {
+      p->sym = ASMRP_SYM_EOF;
+      return;
+    }
+
+    asmrp_getch (p);
+  }
+
+  if (p->ch == '\\')
+    asmrp_getch (p);
+
+  switch (p->ch) {
+
+  case '#':
+    p->sym = ASMRP_SYM_HASH;
+    asmrp_getch (p);
+    break;
+  case ';':
+    p->sym = ASMRP_SYM_SEMICOLON;
+    asmrp_getch (p);
+    break;
+  case ',':
+    p->sym = ASMRP_SYM_COMMA;
+    asmrp_getch (p);
+    break;
+  case '=':
+    p->sym = ASMRP_SYM_EQUALS;
+    asmrp_getch (p);
+    if (p->ch=='=')
+      asmrp_getch (p);
+    break;
+  case '&':
+    p->sym = ASMRP_SYM_AND;
+    asmrp_getch (p);
+    if (p->ch=='&')
+      asmrp_getch (p);
+    break;
+  case '|':
+    p->sym = ASMRP_SYM_OR;
+    asmrp_getch (p);
+    if (p->ch=='|')
+      asmrp_getch (p);
+    break;
+  case '<':
+    p->sym = ASMRP_SYM_LESS;
+    asmrp_getch (p);
+    if (p->ch=='=') {
+      p->sym = ASMRP_SYM_LEQ;
+      asmrp_getch (p);
+    }
+    break;
+  case '>':
+    p->sym = ASMRP_SYM_GREATER;
+    asmrp_getch (p);
+    if (p->ch=='=') {
+      p->sym = ASMRP_SYM_GEQ;
+      asmrp_getch (p);
+    }
+    break;
+  case '$':
+    p->sym = ASMRP_SYM_DOLLAR;
+    asmrp_getch (p);
+    break;
+  case '(':
+    p->sym = ASMRP_SYM_LPAREN;
+    asmrp_getch (p);
+    break;
+  case ')':
+    p->sym = ASMRP_SYM_RPAREN;
+    asmrp_getch (p);
+    break;
+
+  case '"':
+    asmrp_getch (p);
+    asmrp_string (p);
+    break;
+
+  case '0' ... '9':
+    asmrp_number (p);
+    break;
+
+  default:
+    asmrp_identifier (p);
+  }
+
+#ifdef LOG
+  asmrp_print_sym (p);
+#endif
+
+}
+
+static int asmrp_find_id (asmrp_t *p, char *s) {
+
+  int i;
+
+  for (i=0; i<p->sym_tab_num; i++) {
+    if (!strcmp (s, p->sym_tab[i].id))
+      return i;
+  }
+
+  return -1;
+}
+
+static int asmrp_set_id (asmrp_t *p, char *s, int v) {
+
+  int i;
+
+  i = asmrp_find_id (p, s);
+
+  if (i<0) {
+    i = p->sym_tab_num;
+    p->sym_tab_num++;
+    p->sym_tab[i].id = strdup (s);
+
+#ifdef LOG
+    printf ("new symbol '%s'\n", s);
+#endif
+
+  }    
+
+  p->sym_tab[i].v = v;
+ 
+#ifdef LOG
+  printf ("symbol '%s' assigned %d\n", s, v);
+#endif
+
+  return i;
+}
+
+static int asmrp_condition (asmrp_t *p) ;
+
+static int asmrp_operand (asmrp_t *p) {
+
+  int i, ret;
+  
+#ifdef LOG
+  printf ("operand\n");
+#endif
+
+  ret = 0;
+
+  switch (p->sym) {
+
+  case ASMRP_SYM_DOLLAR:
+
+    asmrp_get_sym (p);
+    
+    if (p->sym != ASMRP_SYM_ID) {
+      printf ("error: identifier expected.\n");
+      abort();
+    }
+
+    i = asmrp_find_id (p, p->str);
+    if (i<0) {
+      printf ("error: unknown identifier %s\n", p->str);
+    }
+    ret = p->sym_tab[i].v;
+
+    asmrp_get_sym (p);
+    break;
+
+  case ASMRP_SYM_NUM:
+    ret = p->num;
+
+    asmrp_get_sym (p);
+    break;
+
+  case ASMRP_SYM_LPAREN:
+    asmrp_get_sym (p);
+
+    ret = asmrp_condition (p);
+
+    if (p->sym != ASMRP_SYM_RPAREN) {
+      printf ("error: ) expected.\n");
+      abort();
+    }
+
+    asmrp_get_sym (p);
+    break;
+
+  default:
+    printf ("syntax error, $ number or ( expected\n");
+    abort();
+  }
+
+#ifdef LOG
+  printf ("operand done, =%d\n", ret);
+#endif
+  
+  return ret;
+}
+
+static int asmrp_comp_expression (asmrp_t *p) {
+
+  int a;
+
+#ifdef LOG
+  printf ("comp_expression\n");
+#endif
+
+  a = asmrp_operand (p);
+
+  while ( (p->sym == ASMRP_SYM_LESS)
+	  || (p->sym == ASMRP_SYM_LEQ)
+	  || (p->sym == ASMRP_SYM_EQUALS)
+	  || (p->sym == ASMRP_SYM_GEQ)
+	  || (p->sym == ASMRP_SYM_GREATER) ) {
+    int op = p->sym;
+    int b;
+
+    asmrp_get_sym (p);
+
+    b = asmrp_operand (p);
+
+    switch (op) {
+    case ASMRP_SYM_LESS:
+      a = a<b;
+      break;
+    case ASMRP_SYM_LEQ:
+      a = a<=b;
+      break;
+    case ASMRP_SYM_EQUALS:
+      a = a==b;
+      break;
+    case ASMRP_SYM_GEQ:
+      a = a>=b;
+      break;
+    case ASMRP_SYM_GREATER:
+      a = a>b;
+      break;
+    }
+
+  }
+
+#ifdef LOG
+  printf ("comp_expression done = %d\n", a);
+#endif
+  return a;
+}
+
+static int asmrp_condition (asmrp_t *p) {
+  
+  int a;
+
+#ifdef LOG
+  printf ("condition\n");
+#endif
+
+  a = asmrp_comp_expression (p);
+
+  while ( (p->sym == ASMRP_SYM_AND) || (p->sym == ASMRP_SYM_OR) ) {
+    int op, b;
+
+    op = p->sym;
+
+    asmrp_get_sym (p);
+
+    b = asmrp_comp_expression (p);
+
+    switch (op) {
+    case ASMRP_SYM_AND:
+      a = a & b;
+      break;
+    case ASMRP_SYM_OR:
+      a = a | b;
+      break;
+    }
+  }
+
+#ifdef LOG
+  printf ("condition done = %d\n", a);
+#endif
+  return a;
+}
+
+static void asmrp_assignment (asmrp_t *p) {
+
+#ifdef LOG
+  printf ("assignment\n");
+#endif
+
+  if (p->sym != ASMRP_SYM_ID) {
+    printf ("error: identifier expected\n");
+    abort ();
+  }
+  asmrp_get_sym (p);
+
+  if (p->sym != ASMRP_SYM_EQUALS) {
+    printf ("error: = expected\n");
+    abort ();
+  }
+  asmrp_get_sym (p);
+
+  if ( (p->sym != ASMRP_SYM_NUM) && (p->sym != ASMRP_SYM_STRING) 
+       && (p->sym != ASMRP_SYM_ID)) {
+    printf ("error: number or string expected\n");
+    abort ();
+  }
+  asmrp_get_sym (p);
+
+#ifdef LOG
+  printf ("assignment done\n");
+#endif
+}
+
+static int asmrp_rule (asmrp_t *p) {
+  
+  int ret;
+
+#ifdef LOG
+  printf ("rule\n");
+#endif
+
+  ret = 1;
+  
+  if (p->sym == ASMRP_SYM_HASH) {
+
+    asmrp_get_sym (p);
+    ret = asmrp_condition (p);
+
+    while (p->sym == ASMRP_SYM_COMMA) {
+      
+      asmrp_get_sym (p);
+      
+      asmrp_assignment (p);
+    }
+
+  } else if (p->sym != ASMRP_SYM_SEMICOLON) {
+
+    asmrp_assignment (p);
+
+    while (p->sym == ASMRP_SYM_COMMA) {
+
+      asmrp_get_sym (p);
+      asmrp_assignment (p);
+    }
+  }
+
+#ifdef LOG
+  printf ("rule done = %d\n", ret);
+#endif
+
+  if (p->sym != ASMRP_SYM_SEMICOLON) {
+    printf ("semicolon expected.\n");
+    abort ();
+  }
+
+  asmrp_get_sym (p);
+
+  return ret;
+}
+
+static int asmrp_eval (asmrp_t *p, int *matches) {
+
+  int rule_num, num_matches;
+
+#ifdef LOG
+  printf ("eval\n");
+#endif
+
+  asmrp_get_sym (p);
+
+  rule_num = 0; num_matches = 0;
+  while (p->sym != ASMRP_SYM_EOF) {
+
+    if (asmrp_rule (p)) {
+#ifdef LOG
+      printf ("rule #%d is true\n", rule_num);
+#endif
+      matches[num_matches] = rule_num;
+      num_matches++;
+    }
+
+    rule_num++;
+  }
+
+  matches[num_matches] = -1;
+  return num_matches;
+}
+
+int asmrp_match (const char *rules, int bandwidth, int *matches) {
+
+  asmrp_t *p;
+  int      num_matches;
+
+  p = asmrp_new ();
+
+  asmrp_init (p, rules);
+
+  asmrp_set_id (p, "Bandwidth", bandwidth);
+  asmrp_set_id (p, "OldPNMPlayer", 0);
+
+  num_matches = asmrp_eval (p, matches);
+
+  asmrp_dispose (p);
+
+  return num_matches;
+}
+
diff --git a/src/input/libreal/asmrp.h b/src/input/libreal/asmrp.h
new file mode 100644
index 000000000..969cae4f1
--- /dev/null
+++ b/src/input/libreal/asmrp.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: asmrp.h,v 1.1 2002/12/12 22:14:54 holstsn Exp $
+ *
+ * a parser for real's asm rules
+ *
+ * grammar for these rules:
+ *
+
+   rule_book  = { '#' rule ';'}
+   rule       = condition {',' assignment}
+   assignment = id '=' const
+   const      = ( number | string )
+   condition  = comp_expr { ( '&&' | '||' ) comp_expr }
+   comp_expr  = operand { ( '<' | '<=' | '==' | '>=' | '>' ) operand }
+   operand    = ( '$' id | num | '(' condition ')' )
+
+ */
+
+#ifndef HAVE_ASMRP_H
+#define HAVE_ASMRP_H
+
+int asmrp_match (const char *rules, int bandwidth, int *matches) ;
+
+#endif
diff --git a/src/input/libreal/real.c b/src/input/libreal/real.c
new file mode 100644
index 000000000..344526864
--- /dev/null
+++ b/src/input/libreal/real.c
@@ -0,0 +1,951 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: real.c,v 1.1 2002/12/12 22:14:55 holstsn Exp $
+ *
+ * special functions for real streams.
+ * adopted from joschkas real tools.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "real.h"
+#include "asmrp.h"
+
+/*
+#define LOG
+*/
+
+const unsigned char xor_table[] = {
+    0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
+    0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
+    0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
+    0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02,
+    0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 };
+
+
+#define BE_32C(x,y) x[3]=(char)(y & 0xff);\
+    x[2]=(char)((y >> 8) & 0xff);\
+    x[1]=(char)((y >> 16) & 0xff);\
+    x[0]=(char)((y >> 24) & 0xff);
+
+#define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+
+#define BE_32(x)  ((((uint8_t*)(x))[0] << 24) | \
+                   (((uint8_t*)(x))[1] << 16) | \
+                   (((uint8_t*)(x))[2] << 8) | \
+                    ((uint8_t*)(x))[3])
+
+#define MAX(x,y) ((x>y) ? x : y)
+
+#ifdef LOG
+static void hexdump (const char *buf, int length) {
+
+  int i;
+
+  printf (" hexdump> ");
+  for (i = 0; i < length; i++) {
+    unsigned char c = buf[i];
+
+    printf ("%02x", c);
+
+    if ((i % 16) == 15)
+      printf ("\n         ");
+
+    if ((i % 2) == 1)
+      printf (" ");
+
+  }
+  printf ("\n");
+}
+#endif
+
+
+static void hash(char *field, char *param) {
+
+  uint32_t a, b, c, d;
+ 
+
+  /* fill variables */
+  memcpy(&a, field, sizeof(uint32_t));
+  memcpy(&b, &field[4], sizeof(uint32_t));
+  memcpy(&c, &field[8], sizeof(uint32_t));
+  memcpy(&d, &field[12], sizeof(uint32_t));
+
+#ifdef LOG
+  printf("real: hash input: %x %x %x %x\n", a, b, c, d);
+  printf("real: hash parameter:\n");
+  hexdump(param, 64);
+#endif
+  
+  a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x00)) + a - 0x28955B88;
+  a = ((a << 0x07) | (a >> 0x19)) + b;
+  d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x04)) + d - 0x173848AA;
+  d = ((d << 0x0c) | (d >> 0x14)) + a;
+  c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x08)) + c + 0x242070DB;
+  c = ((c << 0x11) | (c >> 0x0f)) + d;
+  b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x0c)) + b - 0x3E423112;
+  b = ((b << 0x16) | (b >> 0x0a)) + c;
+  a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x10)) + a - 0x0A83F051;
+  a = ((a << 0x07) | (a >> 0x19)) + b;
+  d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x14)) + d + 0x4787C62A;
+  d = ((d << 0x0c) | (d >> 0x14)) + a;
+  c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x18)) + c - 0x57CFB9ED;
+  c = ((c << 0x11) | (c >> 0x0f)) + d;
+  b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x1c)) + b - 0x02B96AFF;
+  b = ((b << 0x16) | (b >> 0x0a)) + c;
+  a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x20)) + a + 0x698098D8;
+  a = ((a << 0x07) | (a >> 0x19)) + b;
+  d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x24)) + d - 0x74BB0851;
+  d = ((d << 0x0c) | (d >> 0x14)) + a;
+  c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x28)) + c - 0x0000A44F;
+  c = ((c << 0x11) | (c >> 0x0f)) + d;
+  b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x2C)) + b - 0x76A32842;
+  b = ((b << 0x16) | (b >> 0x0a)) + c;
+  a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x30)) + a + 0x6B901122;
+  a = ((a << 0x07) | (a >> 0x19)) + b;
+  d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x34)) + d - 0x02678E6D;
+  d = ((d << 0x0c) | (d >> 0x14)) + a;
+  c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x38)) + c - 0x5986BC72;
+  c = ((c << 0x11) | (c >> 0x0f)) + d;
+  b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x3c)) + b + 0x49B40821;
+  b = ((b << 0x16) | (b >> 0x0a)) + c;
+  
+  a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x04)) + a - 0x09E1DA9E;
+  a = ((a << 0x05) | (a >> 0x1b)) + b;
+  d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x18)) + d - 0x3FBF4CC0;
+  d = ((d << 0x09) | (d >> 0x17)) + a;
+  c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x2c)) + c + 0x265E5A51;
+  c = ((c << 0x0e) | (c >> 0x12)) + d;
+  b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x00)) + b - 0x16493856;
+  b = ((b << 0x14) | (b >> 0x0c)) + c;
+  a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x14)) + a - 0x29D0EFA3;
+  a = ((a << 0x05) | (a >> 0x1b)) + b;
+  d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x28)) + d + 0x02441453;
+  d = ((d << 0x09) | (d >> 0x17)) + a;
+  c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x3c)) + c - 0x275E197F;
+  c = ((c << 0x0e) | (c >> 0x12)) + d;
+  b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x10)) + b - 0x182C0438;
+  b = ((b << 0x14) | (b >> 0x0c)) + c;
+  a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x24)) + a + 0x21E1CDE6;
+  a = ((a << 0x05) | (a >> 0x1b)) + b;
+  d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x38)) + d - 0x3CC8F82A;
+  d = ((d << 0x09) | (d >> 0x17)) + a;
+  c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x0c)) + c - 0x0B2AF279;
+  c = ((c << 0x0e) | (c >> 0x12)) + d;
+  b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x20)) + b + 0x455A14ED;
+  b = ((b << 0x14) | (b >> 0x0c)) + c;
+  a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x34)) + a - 0x561C16FB;
+  a = ((a << 0x05) | (a >> 0x1b)) + b;
+  d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x08)) + d - 0x03105C08;
+  d = ((d << 0x09) | (d >> 0x17)) + a;
+  c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x1c)) + c + 0x676F02D9;
+  c = ((c << 0x0e) | (c >> 0x12)) + d;
+  b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x30)) + b - 0x72D5B376;
+  b = ((b << 0x14) | (b >> 0x0c)) + c;
+  
+  a = (b ^ c ^ d) + *((uint32_t*)(param+0x14)) + a - 0x0005C6BE;
+  a = ((a << 0x04) | (a >> 0x1c)) + b;
+  d = (a ^ b ^ c) + *((uint32_t*)(param+0x20)) + d - 0x788E097F;
+  d = ((d << 0x0b) | (d >> 0x15)) + a;
+  c = (d ^ a ^ b) + *((uint32_t*)(param+0x2c)) + c + 0x6D9D6122;
+  c = ((c << 0x10) | (c >> 0x10)) + d;
+  b = (c ^ d ^ a) + *((uint32_t*)(param+0x38)) + b - 0x021AC7F4;
+  b = ((b << 0x17) | (b >> 0x09)) + c;
+  a = (b ^ c ^ d) + *((uint32_t*)(param+0x04)) + a - 0x5B4115BC;
+  a = ((a << 0x04) | (a >> 0x1c)) + b;
+  d = (a ^ b ^ c) + *((uint32_t*)(param+0x10)) + d + 0x4BDECFA9;
+  d = ((d << 0x0b) | (d >> 0x15)) + a;
+  c = (d ^ a ^ b) + *((uint32_t*)(param+0x1c)) + c - 0x0944B4A0;
+  c = ((c << 0x10) | (c >> 0x10)) + d;
+  b = (c ^ d ^ a) + *((uint32_t*)(param+0x28)) + b - 0x41404390;
+  b = ((b << 0x17) | (b >> 0x09)) + c;
+  a = (b ^ c ^ d) + *((uint32_t*)(param+0x34)) + a + 0x289B7EC6;
+  a = ((a << 0x04) | (a >> 0x1c)) + b;
+  d = (a ^ b ^ c) + *((uint32_t*)(param+0x00)) + d - 0x155ED806;
+  d = ((d << 0x0b) | (d >> 0x15)) + a;
+  c = (d ^ a ^ b) + *((uint32_t*)(param+0x0c)) + c - 0x2B10CF7B;
+  c = ((c << 0x10) | (c >> 0x10)) + d;
+  b = (c ^ d ^ a) + *((uint32_t*)(param+0x18)) + b + 0x04881D05;
+  b = ((b << 0x17) | (b >> 0x09)) + c;
+  a = (b ^ c ^ d) + *((uint32_t*)(param+0x24)) + a - 0x262B2FC7;
+  a = ((a << 0x04) | (a >> 0x1c)) + b;
+  d = (a ^ b ^ c) + *((uint32_t*)(param+0x30)) + d - 0x1924661B;
+  d = ((d << 0x0b) | (d >> 0x15)) + a;
+  c = (d ^ a ^ b) + *((uint32_t*)(param+0x3c)) + c + 0x1fa27cf8;
+  c = ((c << 0x10) | (c >> 0x10)) + d;
+  b = (c ^ d ^ a) + *((uint32_t*)(param+0x08)) + b - 0x3B53A99B;
+  b = ((b << 0x17) | (b >> 0x09)) + c;
+  
+  a = ((~d | b) ^ c)  + *((uint32_t*)(param+0x00)) + a - 0x0BD6DDBC;
+  a = ((a << 0x06) | (a >> 0x1a)) + b; 
+  d = ((~c | a) ^ b)  + *((uint32_t*)(param+0x1c)) + d + 0x432AFF97;
+  d = ((d << 0x0a) | (d >> 0x16)) + a; 
+  c = ((~b | d) ^ a)  + *((uint32_t*)(param+0x38)) + c - 0x546BDC59;
+  c = ((c << 0x0f) | (c >> 0x11)) + d; 
+  b = ((~a | c) ^ d)  + *((uint32_t*)(param+0x14)) + b - 0x036C5FC7;
+  b = ((b << 0x15) | (b >> 0x0b)) + c; 
+  a = ((~d | b) ^ c)  + *((uint32_t*)(param+0x30)) + a + 0x655B59C3;
+  a = ((a << 0x06) | (a >> 0x1a)) + b; 
+  d = ((~c | a) ^ b)  + *((uint32_t*)(param+0x0C)) + d - 0x70F3336E;
+  d = ((d << 0x0a) | (d >> 0x16)) + a; 
+  c = ((~b | d) ^ a)  + *((uint32_t*)(param+0x28)) + c - 0x00100B83;
+  c = ((c << 0x0f) | (c >> 0x11)) + d; 
+  b = ((~a | c) ^ d)  + *((uint32_t*)(param+0x04)) + b - 0x7A7BA22F;
+  b = ((b << 0x15) | (b >> 0x0b)) + c; 
+  a = ((~d | b) ^ c)  + *((uint32_t*)(param+0x20)) + a + 0x6FA87E4F;
+  a = ((a << 0x06) | (a >> 0x1a)) + b; 
+  d = ((~c | a) ^ b)  + *((uint32_t*)(param+0x3c)) + d - 0x01D31920;
+  d = ((d << 0x0a) | (d >> 0x16)) + a; 
+  c = ((~b | d) ^ a)  + *((uint32_t*)(param+0x18)) + c - 0x5CFEBCEC;
+  c = ((c << 0x0f) | (c >> 0x11)) + d; 
+  b = ((~a | c) ^ d)  + *((uint32_t*)(param+0x34)) + b + 0x4E0811A1;
+  b = ((b << 0x15) | (b >> 0x0b)) + c; 
+  a = ((~d | b) ^ c)  + *((uint32_t*)(param+0x10)) + a - 0x08AC817E;
+  a = ((a << 0x06) | (a >> 0x1a)) + b; 
+  d = ((~c | a) ^ b)  + *((uint32_t*)(param+0x2c)) + d - 0x42C50DCB;
+  d = ((d << 0x0a) | (d >> 0x16)) + a; 
+  c = ((~b | d) ^ a)  + *((uint32_t*)(param+0x08)) + c + 0x2AD7D2BB;
+  c = ((c << 0x0f) | (c >> 0x11)) + d; 
+  b = ((~a | c) ^ d)  + *((uint32_t*)(param+0x24)) + b - 0x14792C6F;
+  b = ((b << 0x15) | (b >> 0x0b)) + c; 
+
+#ifdef LOG
+  printf("real: hash output: %x %x %x %x\n", a, b, c, d);
+#endif
+  
+  *((uint32_t *)(field+0)) += a;
+  *((uint32_t *)(field+4)) += b;
+  *((uint32_t *)(field+8)) += c;
+  *((uint32_t *)(field+12)) += d;
+}
+
+static void call_hash (char *key, char *challenge, int len) {
+
+  uint32_t *ptr1, *ptr2;
+  uint32_t a, b, c, d;
+  
+  ptr1=(uint32_t*)(key+16);
+  ptr2=(uint32_t*)(key+20);
+  
+  a = *ptr1;
+  b = (a >> 3) & 0x3f;
+  a += len * 8;
+  *ptr1 = a;
+  
+  if (a < (len << 3))
+  {
+#ifdef LOG
+    printf("not verified: (len << 3) > a true\n");
+#endif
+    ptr2 += 4;
+  }
+
+  *ptr2 += (len >> 0x1d);
+  a = 64 - b;
+  c = 0;  
+  if (a <= len)
+  {
+
+    memcpy(key+b+24, challenge, a);
+    hash(key, key+24);
+    c = a;
+    d = c + 0x3f;
+    
+    while ( d < len ) {
+
+#ifdef LOG
+      printf("not verified:  while ( d < len )\n");
+#endif
+      hash(key, challenge+d-0x3f);
+      d += 64;
+      c += 64;
+    }
+    b = 0;
+  }
+  
+  memcpy(key+b+24, challenge+c, len-c);
+}
+
+static void calc_response (char *result, char *field) {
+
+  char buf1[128];
+  char buf2[128];
+  int i;
+
+  memset (buf1, 0, 64);
+  *buf1 = 128;
+  
+  memcpy (buf2, field+16, 8);
+  
+  i = ( *((uint32_t*)(buf2)) >> 3 ) & 0x3f;
+ 
+  if (i < 56) {
+    i = 56 - i;
+  } else {
+#ifdef LOG
+    printf("not verified: ! (i < 56)\n");
+#endif
+    i = 120 - i;
+  }
+
+  call_hash (field, buf1, i);
+  call_hash (field, buf2, 8);
+
+  memcpy (result, field, 16);
+
+}
+
+
+static void calc_response_string (char *result, char *challenge) {
+ 
+  char field[128];
+  char zres[20];
+  int  i;
+      
+  /* initialize our field */
+  BE_32C (field,      0x01234567);
+  BE_32C ((field+4),  0x89ABCDEF);
+  BE_32C ((field+8),  0xFEDCBA98);
+  BE_32C ((field+12), 0x76543210);
+  BE_32C ((field+16), 0x00000000);
+  BE_32C ((field+20), 0x00000000);
+
+  /* calculate response */
+  call_hash(field, challenge, 64);
+  calc_response(zres,field);
+ 
+  /* convert zres to ascii string */
+  for (i=0; i<16; i++ ) {
+    char a, b;
+    
+    a = (zres[i] >> 4) & 15;
+    b = zres[i] & 15;
+
+    result[i*2]   = ((a<10) ? (a+48) : (a+87)) & 255;
+    result[i*2+1] = ((b<10) ? (b+48) : (b+87)) & 255;
+  }
+}
+
+void real_calc_response_and_checksum (char *response, char *chksum, char *challenge) {
+
+  int   ch_len, table_len, resp_len;
+  int   i;
+  char *ptr;
+  char  buf[128];
+
+  /* initialize return values */
+  memset(response, 0, 64);
+  memset(chksum, 0, 34);
+
+  /* initialize buffer */
+  memset(buf, 0, 128);
+  ptr=buf;
+  BE_32C(ptr, 0xa1e9149d);
+  ptr+=4;
+  BE_32C(ptr, 0x0e6b3b59);
+  ptr+=4;
+
+  /* some (length) checks */
+  if (challenge != NULL)
+  {
+    ch_len = strlen (challenge);
+
+    if (ch_len == 40) /* what a hack... */
+    {
+      challenge[32]=0;
+      ch_len=32;
+    }
+    if ( ch_len > 56 ) ch_len=56;
+    
+    /* copy challenge to buf */
+    memcpy(ptr, challenge, ch_len);
+  }
+  
+  if (xor_table != NULL)
+  {
+    table_len = strlen(xor_table);
+
+    if (table_len > 56) table_len=56;
+
+    /* xor challenge bytewise with xor_table */
+    for (i=0; i<table_len; i++)
+      ptr[i] = ptr[i] ^ xor_table[i];
+  }
+
+  calc_response_string (response, buf);
+
+  /* add tail */
+  resp_len = strlen (response);
+  strcpy (&response[resp_len], "01d0a8e3");
+
+  /* calculate checksum */
+  for (i=0; i<resp_len/4; i++)
+    chksum[i] = response[i*4];
+}
+
+
+/*
+ * takes a MLTI-Chunk and a rule number got from match_asm_rule,
+ * returns a pointer to selected data and number of bytes in that.
+ */
+
+static int select_mlti_data(const char *mlti_chunk, int selection, char *out) {
+
+  int numrules, codec, size;
+  int i;
+  
+  /* MLTI chunk should begin with MLTI */
+
+  if ((mlti_chunk[0] != 'M')
+      ||(mlti_chunk[1] != 'L')
+      ||(mlti_chunk[2] != 'T')
+      ||(mlti_chunk[3] != 'I'))
+  {
+    printf("libreal: MLTI tag not detected\n");
+    return 0;
+  }
+
+  mlti_chunk+=4;
+
+  /* next 16 bits are the number of rules */
+  numrules=BE_16(mlti_chunk);
+  if (selection >= numrules) return 0;
+
+  /* now <numrules> indices of codecs follows */
+  /* we skip to selection                     */
+  mlti_chunk+=(selection+1)*2;
+
+  /* get our index */
+  codec=BE_16(mlti_chunk);
+
+  /* skip to number of codecs */
+  mlti_chunk+=(numrules-selection)*2;
+
+  /* get number of codecs */
+  numrules=BE_16(mlti_chunk);
+
+  if (codec >= numrules) {
+    printf("codec index >= number of codecs. %i %i\n", codec, numrules);
+    return 0;
+  }
+
+  mlti_chunk+=2;
+ 
+  /* now seek to selected codec */
+  for (i=0; i<codec; i++) {
+    size=BE_32(mlti_chunk);
+    mlti_chunk+=size+4;
+  }
+  
+  size=BE_32(mlti_chunk);
+
+#ifdef LOG
+  hexdump(mlti_chunk+4, size);
+#endif
+  memcpy(out,mlti_chunk+4, size);
+  return size;
+}
+
+/*
+ * Decodes base64 strings (based upon b64 package)
+ */
+
+static char *b64_decode(const char *in)
+{
+  char dtable[256];              /* Encode / decode table */
+  int i,j,k;
+  char *out=malloc(sizeof(char)*strlen(in));
+
+  for (i = 0; i < 255; i++) {
+    dtable[i] = 0x80;
+  }
+  for (i = 'A'; i <= 'Z'; i++) {
+    dtable[i] = 0 + (i - 'A');
+  }
+  for (i = 'a'; i <= 'z'; i++) {
+    dtable[i] = 26 + (i - 'a');
+  }
+  for (i = '0'; i <= '9'; i++) {
+    dtable[i] = 52 + (i - '0');
+  }
+  dtable['+'] = 62;
+  dtable['/'] = 63;
+  dtable['='] = 0;
+
+  k=0;
+  
+  /*CONSTANTCONDITION*/
+  for (j=0; j<strlen(in); j+=4)
+  {
+    char a[4], b[4];
+
+    for (i = 0; i < 4; i++) {
+      int c = in[i+j];
+
+      if (dtable[c] & 0x80) {
+        printf("Illegal character '%c' in input.\n", c);
+        exit(1);
+      }
+      a[i] = (char) c;
+      b[i] = (char) dtable[c];
+    }
+    out[k++] = (b[0] << 2) | (b[1] >> 4);
+    out[k++] = (b[1] << 4) | (b[2] >> 2);
+    out[k++] = (b[2] << 6) | b[3];
+    i = a[2] == '=' ? 1 : (a[3] == '=' ? 2 : 3);
+    if (i < 3) {
+      out[k]=0;
+      return out;
+    }
+  }
+  out[k]=0;
+  return out;
+}
+
+/*
+ * looking at stream description.
+ */
+ 
+static int sdp_filter(const char *in, const char *filter, char *out) {
+
+  int flen=strlen(filter);
+  int len=strchr(in,'\n')-in;
+
+  if (!strncmp(in,filter,flen))
+  {
+    if(in[flen]=='"') flen++;
+    if(in[len-1]=='"') len--;
+    memcpy(out, &in[flen], len-flen);
+    out[len-flen]=0;
+
+    return len-flen;
+  }
+  
+  return 0;
+}
+
+rmff_header_t *real_parse_sdp(const char *data, char *stream_rules, uint32_t bandwidth) {
+
+  rmff_header_t *h=malloc(sizeof(rmff_header_t));
+  rmff_mdpr_t   *media=NULL;
+  char buf[4096];
+  int rulematches[16];
+  int n;
+  int len;
+  int have_audio=0, have_video=0, stream, sr[2];
+
+  stream_rules[0]=0;
+  
+  h=malloc(sizeof(rmff_header_t));
+  h->streams=malloc(sizeof(rmff_mdpr_t*)*3);
+  h->streams[0]=NULL;
+  h->streams[1]=NULL;
+  h->streams[2]=NULL;
+  h->prop=malloc(sizeof(rmff_prop_t));
+  h->streams[0]=malloc(sizeof(rmff_mdpr_t));
+  h->streams[1]=malloc(sizeof(rmff_mdpr_t));
+  h->cont=malloc(sizeof(rmff_cont_t));
+  h->data=malloc(sizeof(rmff_data_t));
+  h->fileheader=malloc(sizeof(rmff_fileheader_t));
+  h->fileheader->object_id=RMF_TAG;
+  h->fileheader->size=18;
+  h->fileheader->object_version=0;
+  h->fileheader->file_version=0;
+  h->fileheader->num_headers=6;
+
+  h->prop->object_version=0;
+  h->streams[0]->object_version=0;
+  h->streams[1]->object_version=0;
+  h->cont->object_version=0;
+  h->data->object_version=0;
+
+  h->prop->object_id=PROP_TAG;
+  h->streams[0]->object_id=MDPR_TAG;
+  h->streams[1]->object_id=MDPR_TAG;
+  h->cont->object_id=CONT_TAG;
+  h->data->object_id=DATA_TAG;
+
+  h->prop->size=50;
+  h->data->size=18;
+  h->data->next_data_header=0;
+
+  h->cont->title=NULL;
+  h->cont->author=NULL;
+  h->cont->copyright=NULL;
+  h->cont->comment=NULL;
+
+  while (*data) {
+
+    if(sdp_filter(data,"m=audio",buf))
+    {
+      media=h->streams[0];
+      have_audio=1;
+      stream=0;
+    }
+    if(sdp_filter(data,"m=video",buf))
+    {
+      media=h->streams[1];
+      have_video=1;
+      stream=1;
+    }
+  
+    /* cont stuff */
+  
+    len=sdp_filter(data,"a=Title:buffer;",buf);
+    if (len) h->cont->title=b64_decode(buf);
+    
+    len=sdp_filter(data,"a=Author:buffer;",buf);
+    if (len) h->cont->author=b64_decode(buf);
+    
+    len=sdp_filter(data,"a=Copyright:buffer;",buf);
+    if (len) h->cont->copyright=b64_decode(buf);
+    
+    len=sdp_filter(data,"a=Abstract:buffer;",buf);
+    if (len) h->cont->comment=b64_decode(buf);
+
+    /* prop stuff */
+
+    len=sdp_filter(data,"a=StreamCount:integer;",buf);
+    if (len) h->prop->num_streams=atoi(buf);
+
+    len=sdp_filter(data,"a=Flags:integer;",buf);
+    if (len) h->prop->flags=atoi(buf);
+
+    /* mdpr stuff */
+
+    if (media) {
+
+      len=sdp_filter(data,"a=control:streamid=",buf);
+      if (len) media->stream_number=atoi(buf);
+
+      len=sdp_filter(data,"a=MaxBitRate:integer;",buf);
+      if (len)
+      {
+        media->max_bit_rate=atoi(buf);
+        media->avg_bit_rate=media->max_bit_rate;
+      }
+
+      len=sdp_filter(data,"a=MaxPacketSize:integer;",buf);
+      if (len)
+      {
+        media->max_packet_size=atoi(buf);
+        media->avg_packet_size=media->max_packet_size;
+      }
+      
+      len=sdp_filter(data,"a=StartTime:integer;",buf);
+      if (len) media->start_time=atoi(buf);
+
+      len=sdp_filter(data,"a=Preroll:integer;",buf);
+      if (len) media->preroll=atoi(buf);
+
+      len=sdp_filter(data,"a=length:npt=",buf);
+      if (len) media->duration=(uint32_t)(atof(buf)*1000);
+
+      len=sdp_filter(data,"a=StreamName:string;",buf);
+      if (len)
+      {
+        media->stream_name=strdup(buf);
+        media->stream_name_size=strlen(media->stream_name);
+      }
+      len=sdp_filter(data,"a=mimetype:string;",buf);
+      if (len)
+      {
+        media->mime_type=strdup(buf);
+        media->mime_type_size=strlen(media->mime_type);
+      }
+      len=sdp_filter(data,"a=OpaqueData:buffer;",buf);
+      if (len)
+      {
+        media->mlti_data=b64_decode(buf);
+      }
+      len=sdp_filter(data,"a=ASMRuleBook:string;",buf);
+      if (len)
+      {
+        int i=0;
+        char b[64];
+
+#ifdef LOG
+        printf("calling asmrp_match with:\n%s\n%u\n", buf, bandwidth);
+#endif
+        n=asmrp_match(buf, bandwidth, rulematches);
+        sr[stream]=rulematches[0];
+        for (i=0; i<n; i++) {
+#ifdef LOG
+          printf("asmrp rule match: %u for stream %u\n", rulematches[i], stream);
+#endif
+          sprintf(b,"stream=%u;rule=%u,", stream, rulematches[i]);
+          strcat(stream_rules, b);
+        }
+      }
+    }
+    data+=strchr(data,'\n')-data+1;
+  }
+  if (strlen(stream_rules)>0);
+    stream_rules[strlen(stream_rules)-1]=0; /* delete last , */
+
+  /* we have to reconstruct some data in prop */
+  h->prop->max_bit_rate=0;
+  h->prop->avg_bit_rate=0;
+  h->prop->max_packet_size=0;
+  h->prop->avg_packet_size=0;
+  h->prop->num_packets=0;
+  h->prop->duration=0;
+  h->prop->preroll=0;
+  h->prop->index_offset=0;
+  
+      
+  
+  if(have_video)
+  {
+  
+    h->prop->max_bit_rate=h->streams[1]->max_bit_rate;
+    h->prop->avg_bit_rate=h->streams[1]->avg_bit_rate;
+    h->prop->max_packet_size=h->streams[1]->max_packet_size;
+    h->prop->avg_packet_size=h->streams[1]->avg_packet_size;
+    h->prop->duration=h->streams[1]->duration;
+    /* h->prop->preroll=h->streams[1]->preroll; */
+
+    /* select a codec */
+    h->streams[1]->type_specific_len=select_mlti_data(
+          h->streams[1]->mlti_data, sr[1], buf);
+    h->streams[1]->type_specific_data=malloc(sizeof(char)*h->streams[1]->type_specific_len);
+    memcpy(h->streams[1]->type_specific_data, buf, h->streams[1]->type_specific_len);
+    
+  } else
+  {
+    free(h->streams[1]);
+    h->streams[1]=NULL;
+  }
+  if(have_audio)
+  {
+  
+    h->prop->max_bit_rate+=h->streams[0]->max_bit_rate;
+    h->prop->avg_bit_rate+=h->streams[0]->avg_bit_rate;
+    h->prop->max_packet_size=MAX(h->prop->max_packet_size,
+        h->streams[0]->max_packet_size);
+    if (have_video)
+      h->prop->avg_packet_size=(h->streams[1]->avg_packet_size
+          +h->streams[0]->avg_packet_size) / 2;
+    else
+      h->prop->avg_packet_size=h->streams[0]->avg_packet_size;
+    h->prop->duration=MAX(h->prop->duration,h->streams[0]->duration);
+    /* h->prop->preroll=MAX(h->streams[1]->preroll,h->streams[0]->preroll); */
+ 
+    /* select a codec */
+    h->streams[0]->type_specific_len=select_mlti_data(
+          h->streams[0]->mlti_data, sr[0], buf);
+    h->streams[0]->type_specific_data=malloc(sizeof(char)*h->streams[0]->type_specific_len);
+    memcpy(h->streams[0]->type_specific_data, buf, h->streams[0]->type_specific_len);
+    
+ } else
+  {
+    free(h->streams[0]);
+    h->streams[0]=NULL;
+  }
+
+  /* fix sizes */
+      
+  h->cont->title_len=0;
+  h->cont->author_len=0;
+  h->cont->copyright_len=0;
+  h->cont->comment_len=0;
+  if (h->cont->title) h->cont->title_len=strlen(h->cont->title);
+  if (h->cont->author) h->cont->author_len=strlen(h->cont->author);
+  if (h->cont->copyright) h->cont->copyright_len=strlen(h->cont->copyright);
+  if (h->cont->comment) h->cont->comment_len=strlen(h->cont->comment);
+
+  h->cont->size=18
+      +h->cont->title_len
+      +h->cont->author_len
+      +h->cont->copyright_len
+      +h->cont->comment_len;
+
+  if (have_audio)
+    h->streams[0]->size=12+7*4+6
+      +h->streams[0]->stream_name_size
+      +h->streams[0]->mime_type_size
+      +h->streams[0]->type_specific_len;
+
+  if (have_video)
+    h->streams[1]->size=12+7*4+6
+      +h->streams[1]->stream_name_size
+      +h->streams[1]->mime_type_size
+      +h->streams[1]->type_specific_len;
+
+  /* fix data offset */
+  
+  h->prop->data_offset=RMFF_HEADER_SIZE
+      +h->cont->size
+      +h->prop->size;
+
+  if (have_video)
+    h->prop->data_offset+=h->streams[1]->size;
+
+  if (have_audio)
+    h->prop->data_offset+=h->streams[0]->size;
+
+  return h;
+}
+
+int real_get_rdt_chunk(rtsp_t *rtsp_session, char *buffer) {
+
+  int n=1;
+  uint8_t header[8];
+  rmff_pheader_t ph;
+  int size;
+  int flags1;
+  int unknown1;
+  uint32_t ts;
+
+  n=rtsp_read_data(rtsp_session, header, 8);
+  if (n<8) return 0;
+  if (header[0] != 0x24)
+  {
+    printf("rdt chunk not recognized: got 0x%02x\n", header[0]);
+    return 0;
+  }
+  size=(header[1]<<12)+(header[2]<<8)+(header[3]);
+  flags1=header[4];
+  if ((flags1!=0x40)&&(flags1!=0x42))
+  {
+#ifdef LOG
+    printf("got flags1: 0x%02x\n",flags1);
+#endif
+    header[0]=header[5];
+    header[1]=header[6];
+    header[2]=header[7];
+    n=rtsp_read_data(rtsp_session, header+3, 5);
+    if (n<5) return 0;
+#ifdef LOG
+    printf("ignoring bytes:\n");
+    hexdump(header, 8);
+#endif
+    n=rtsp_read_data(rtsp_session, header+4, 4);
+    if (n<4) return 0;
+    flags1=header[4];
+    size-=9;
+  }
+  unknown1=(header[5]<<12)+(header[6]<<8)+(header[7]);
+  n=rtsp_read_data(rtsp_session, header, 6);
+  if (n<6) return 0;
+  ts=BE_32(header);
+  
+#ifdef LOG
+  printf("ts: %u size: %u, flags: 0x%02x, unknown values: %u 0x%02x 0x%02x\n", 
+          ts, size, flags1, unknown1, header[4], header[5]);
+#endif
+  size+=2;
+  
+  ph.object_version=0;
+  ph.length=size;
+  ph.stream_number=(flags1>>1)&1;
+  ph.timestamp=ts;
+  ph.reserved=0;
+  ph.flags=0;      /* TODO: determine keyframe flag and insert here? */
+  rmff_dump_pheader(&ph, buffer);
+  size-=12;
+  n=rtsp_read_data(rtsp_session, buffer+12, size);
+  
+  return n+12;
+}
+
+rmff_header_t  *real_setup_and_get_header(rtsp_t *rtsp_session, uint32_t bandwidth) {
+
+  char *description=NULL;
+  char *session_id=NULL;
+  rmff_header_t *h;
+  char *challenge1;
+  char challenge2[64];
+  char checksum[34];
+  char subscribe[256];
+  char buf[256];
+  char *mrl=rtsp_get_mrl(rtsp_session);
+  unsigned int size;
+  
+  /* get challenge */
+  challenge1=strdup(rtsp_search_answers(rtsp_session,"RealChallenge1"));
+#ifdef LOG
+  printf("real: Challenge1: %s\n", challenge1);
+#endif
+  
+  /* request stream description */
+  rtsp_schedule_field(rtsp_session, "Accept: application/sdp");
+  sprintf(buf, "Bandwidth: %u", bandwidth);
+  rtsp_schedule_field(rtsp_session, buf);
+  rtsp_schedule_field(rtsp_session, "Require: com.real.retain-entity-for-setup");
+  rtsp_request_describe(rtsp_session,NULL);
+
+  /* receive description */
+  size=atoi(rtsp_search_answers(rtsp_session,"Content-length"));
+
+  if (!rtsp_search_answers(rtsp_session,"ETag"))
+    printf("real: got no ETag!\n");
+  else
+    session_id=strdup(rtsp_search_answers(rtsp_session,"ETag"));
+    
+#ifdef LOG
+  printf("real: Stream description size: %i\n", size);
+#endif
+
+  description=malloc(sizeof(char)*(size+1));
+
+  rtsp_read_data(rtsp_session, description, size);
+  description[size]=0;
+
+  /* parse sdp (sdpplin) and create a header and a subscribe string */
+  strcpy(subscribe, "Subscribe: ");
+  h=real_parse_sdp(description, subscribe+11, bandwidth);
+  rmff_fix_header(h);
+
+#ifdef LOG
+  printf("Title: %s\nCopyright: %s\nAuthor: %s\nStreams: %i\n",
+    h->cont->title, h->cont->copyright, h->cont->author, h->prop->num_streams);
+#endif
+  
+  /* setup our 2 streams */
+  real_calc_response_and_checksum (challenge2, checksum, challenge1);
+  sprintf(buf, "RealChallenge2: %s, sd=%s", challenge2, checksum);
+  rtsp_schedule_field(rtsp_session, buf);
+  sprintf(buf, "If-Match: %s", session_id);
+  rtsp_schedule_field(rtsp_session, buf);
+  rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
+  sprintf(buf, "%s/streamid=0", mrl);
+  rtsp_request_setup(rtsp_session,buf);
+ 
+  rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
+  sprintf(buf, "If-Match: %s", session_id);
+  rtsp_schedule_field(rtsp_session, buf);
+
+  sprintf(buf, "%s/streamid=1", mrl);
+  rtsp_request_setup(rtsp_session,buf);
+
+  /* set stream parameter (bandwidth) with our subscribe string */
+  rtsp_schedule_field(rtsp_session, subscribe);
+  rtsp_request_setparameter(rtsp_session,NULL);
+
+  /* and finally send a play request */
+  rtsp_schedule_field(rtsp_session, "Range: npt=0-");
+  rtsp_request_play(rtsp_session,NULL);
+
+  return h;
+}
+
diff --git a/src/input/libreal/real.h b/src/input/libreal/real.h
new file mode 100644
index 000000000..48ab2e82d
--- /dev/null
+++ b/src/input/libreal/real.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: real.h,v 1.1 2002/12/12 22:14:55 holstsn Exp $
+ *
+ * special functions for real streams.
+ * adopted from joschkas real tools.
+ *
+ */
+ 
+#ifndef HAVE_REAL_H
+#define HAVE_REAL_H
+
+#include "rmff.h"
+#include "../librtsp/rtsp.h"
+
+#ifdef __CYGWIN__
+#define uint32_t unsigned int
+#define uint16_t unsigned short int
+#define uint8_t unsigned char
+#endif
+
+/*
+ * calculates response and checksum of a given challenge
+ * (RealChallenge1 in rtsp). See implementation for details.
+ */
+void real_calc_response_and_checksum (char *response, char *chksum, char *challenge);
+int real_get_rdt_chunk(rtsp_t *rtsp_session, char *buffer);
+rmff_header_t *real_parse_sdp(const char *data, char *stream_rules, uint32_t bandwidth);
+rmff_header_t *real_setup_and_get_header(rtsp_t *rtsp_session, uint32_t bandwidth);
+
+#endif
+
diff --git a/src/input/libreal/rmff.c b/src/input/libreal/rmff.c
new file mode 100644
index 000000000..abce4442a
--- /dev/null
+++ b/src/input/libreal/rmff.c
@@ -0,0 +1,916 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: rmff.c,v 1.1 2002/12/12 22:14:55 holstsn Exp $
+ *
+ * functions for real media file format
+ * adopted from joschkas real tools
+ */
+
+#include "rmff.h"
+
+/*
+#define LOG
+*/
+
+#define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+#define BE_32(x)  ((((uint8_t*)(x))[0] << 24) | \
+                   (((uint8_t*)(x))[1] << 16) | \
+                   (((uint8_t*)(x))[2] << 8) | \
+                    ((uint8_t*)(x))[3])
+
+static void hexdump (const char *buf, int length) {
+
+  int i;
+
+  printf ("rmff: ascii>");
+  for (i = 0; i < length; i++) {
+    unsigned char c = buf[i];
+
+    if ((c >= 32) && (c <= 128))
+      printf ("%c", c);
+    else
+      printf (".");
+  }
+  printf ("\n");
+
+  printf ("rmff: hexdump> ");
+  for (i = 0; i < length; i++) {
+    unsigned char c = buf[i];
+
+    printf ("%02x", c);
+
+    if ((i % 16) == 15)
+      printf ("\nrmff:         ");
+
+    if ((i % 2) == 1)
+      printf (" ");
+
+  }
+  printf ("\n");
+}
+
+/*
+ * writes header data to a buffer
+ */
+
+static void rmff_dump_fileheader(rmff_fileheader_t *fileheader, char *buffer) {
+
+  if (!fileheader) return;
+  fileheader->object_id=BE_32(&fileheader->object_id);
+  fileheader->size=BE_32(&fileheader->size);
+  fileheader->object_version=BE_16(&fileheader->object_version);
+  fileheader->file_version=BE_32(&fileheader->file_version);
+  fileheader->num_headers=BE_32(&fileheader->num_headers);
+  
+  memcpy(buffer, fileheader, 8);
+  memcpy(&buffer[8], &fileheader->object_version, 2);
+  memcpy(&buffer[10], &fileheader->file_version, 8);
+
+  fileheader->size=BE_32(&fileheader->size);
+  fileheader->object_version=BE_16(&fileheader->object_version);
+  fileheader->file_version=BE_32(&fileheader->file_version);
+  fileheader->num_headers=BE_32(&fileheader->num_headers);
+  fileheader->object_id=BE_32(&fileheader->object_id);
+}
+
+static void rmff_dump_prop(rmff_prop_t *prop, char *buffer) {
+
+  if (!prop) return;
+  prop->object_id=BE_32(&prop->object_id);
+  prop->size=BE_32(&prop->size);
+  prop->object_version=BE_16(&prop->object_version);
+  prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+  prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+  prop->max_packet_size=BE_32(&prop->max_packet_size);
+  prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+  prop->num_packets=BE_32(&prop->num_packets);
+  prop->duration=BE_32(&prop->duration);
+  prop->preroll=BE_32(&prop->preroll);
+  prop->index_offset=BE_32(&prop->index_offset);
+  prop->data_offset=BE_32(&prop->data_offset);
+  prop->num_streams=BE_16(&prop->num_streams);
+  prop->flags=BE_16(&prop->flags);
+
+  memcpy(buffer, prop, 8);
+  memcpy(&buffer[8], &prop->object_version, 2);
+  memcpy(&buffer[10], &prop->max_bit_rate, 36);
+  memcpy(&buffer[46], &prop->num_streams, 2);
+  memcpy(&buffer[48], &prop->flags, 2);
+  
+  prop->size=BE_32(&prop->size);
+  prop->object_version=BE_16(&prop->object_version);
+  prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+  prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+  prop->max_packet_size=BE_32(&prop->max_packet_size);
+  prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+  prop->num_packets=BE_32(&prop->num_packets);
+  prop->duration=BE_32(&prop->duration);
+  prop->preroll=BE_32(&prop->preroll);
+  prop->index_offset=BE_32(&prop->index_offset);
+  prop->data_offset=BE_32(&prop->data_offset);
+  prop->num_streams=BE_16(&prop->num_streams);
+  prop->flags=BE_16(&prop->flags);
+  prop->object_id=BE_32(&prop->object_id);
+}
+
+static void rmff_dump_mdpr(rmff_mdpr_t *mdpr, char *buffer) {
+
+  int s1, s2, s3;
+
+  if (!mdpr) return;
+  mdpr->object_id=BE_32(&mdpr->object_id);
+  mdpr->size=BE_32(&mdpr->size);
+  mdpr->object_version=BE_16(&mdpr->object_version);
+  mdpr->stream_number=BE_16(&mdpr->stream_number);
+  mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+  mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+  mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+  mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+  mdpr->start_time=BE_32(&mdpr->start_time);
+  mdpr->preroll=BE_32(&mdpr->preroll);
+  mdpr->duration=BE_32(&mdpr->duration);
+
+  memcpy(buffer, mdpr, 8);
+  memcpy(&buffer[8], &mdpr->object_version, 2);
+  memcpy(&buffer[10], &mdpr->stream_number, 2);
+  memcpy(&buffer[12], &mdpr->max_bit_rate, 28);
+  memcpy(&buffer[40], &mdpr->stream_name_size, 1);
+  s1=mdpr->stream_name_size;
+  memcpy(&buffer[41], mdpr->stream_name, s1);
+
+  memcpy(&buffer[41+s1], &mdpr->mime_type_size, 1);
+  s2=mdpr->mime_type_size;
+  memcpy(&buffer[42+s1], mdpr->mime_type, s2);
+  
+  mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+  memcpy(&buffer[42+s1+s2], &mdpr->type_specific_len, 4);
+  mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+  s3=mdpr->type_specific_len;
+  memcpy(&buffer[46+s1+s2], mdpr->type_specific_data, s3);
+
+  mdpr->size=BE_32(&mdpr->size);
+  mdpr->stream_number=BE_16(&mdpr->stream_number);
+  mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+  mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+  mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+  mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+  mdpr->start_time=BE_32(&mdpr->start_time);
+  mdpr->preroll=BE_32(&mdpr->preroll);
+  mdpr->duration=BE_32(&mdpr->duration);
+  mdpr->object_id=BE_32(&mdpr->object_id);
+
+}
+
+static void rmff_dump_cont(rmff_cont_t *cont, char *buffer) {
+
+  int p;
+
+  if (!cont) return;
+  cont->object_id=BE_32(&cont->object_id);
+  cont->size=BE_32(&cont->size);
+  cont->object_version=BE_16(&cont->object_version);
+
+  memcpy(buffer, cont, 8);
+  memcpy(&buffer[8], &cont->object_version, 2);
+  
+  cont->title_len=BE_16(&cont->title_len);
+  memcpy(&buffer[10], &cont->title_len, 2);
+  cont->title_len=BE_16(&cont->title_len);
+  memcpy(&buffer[12], cont->title, cont->title_len);
+  p=12+cont->title_len;
+
+  cont->author_len=BE_16(&cont->author_len);
+  memcpy(&buffer[p], &cont->author_len, 2);
+  cont->author_len=BE_16(&cont->author_len);
+  memcpy(&buffer[p+2], cont->author, cont->author_len);
+  p+=2+cont->author_len;
+
+  cont->copyright_len=BE_16(&cont->copyright_len);
+  memcpy(&buffer[p], &cont->copyright_len, 2);
+  cont->copyright_len=BE_16(&cont->copyright_len);
+  memcpy(&buffer[p+2], cont->copyright, cont->copyright_len);
+  p+=2+cont->copyright_len;
+
+  cont->comment_len=BE_16(&cont->comment_len);
+  memcpy(&buffer[p], &cont->comment_len, 2);
+  cont->comment_len=BE_16(&cont->comment_len);
+  memcpy(&buffer[p+2], cont->comment, cont->comment_len);
+
+  cont->size=BE_32(&cont->size);
+  cont->object_version=BE_16(&cont->object_version);
+  cont->object_id=BE_32(&cont->object_id);
+}
+
+static void rmff_dump_dataheader(rmff_data_t *data, char *buffer) {
+
+  if (!data) return;
+  data->object_id=BE_32(&data->object_id);
+  data->size=BE_32(&data->size);
+  data->object_version=BE_16(&data->object_version);
+  data->num_packets=BE_32(&data->num_packets);
+  data->next_data_header=BE_32(&data->next_data_header);
+
+  memcpy(buffer, data, 8);
+  memcpy(&buffer[8], &data->object_version, 2);
+  memcpy(&buffer[10], &data->num_packets, 8);
+  
+  data->num_packets=BE_32(&data->num_packets);
+  data->next_data_header=BE_32(&data->next_data_header);
+  data->size=BE_32(&data->size);
+  data->object_version=BE_16(&data->object_version);
+  data->object_id=BE_32(&data->object_id);
+}
+
+int rmff_dump_header(rmff_header_t *h, char *buffer, int max) {
+
+  int written=0;
+  rmff_mdpr_t **stream=h->streams;
+
+  rmff_dump_fileheader(h->fileheader, &buffer[written]);
+  written+=h->fileheader->size;
+  rmff_dump_prop(h->prop, &buffer[written]);
+  written+=h->prop->size;
+  rmff_dump_cont(h->cont, &buffer[written]);
+  written+=h->cont->size;
+  if (stream)
+  {
+    while(*stream)
+    {
+      rmff_dump_mdpr(*stream, &buffer[written]);
+      written+=(*stream)->size;
+      stream++;
+    }
+  }
+    
+  rmff_dump_dataheader(h->data, &buffer[written]);
+  written+=18;
+
+  return written;
+}
+
+void rmff_dump_pheader(rmff_pheader_t *h, char *data) {
+
+  data[0]=(h->object_version>>8) & 0xff;
+  data[1]=h->object_version & 0xff;
+  data[2]=(h->length>>8) & 0xff;
+  data[3]=h->length & 0xff;
+  data[4]=(h->stream_number>>8) & 0xff;
+  data[5]=h->stream_number & 0xff;
+  data[6]=(h->timestamp>>24) & 0xff;
+  data[7]=(h->timestamp>>16) & 0xff;
+  data[8]=(h->timestamp>>8) & 0xff;
+  data[9]=h->timestamp & 0xff;
+  data[10]=h->reserved;
+  data[11]=h->flags;
+}
+
+static rmff_fileheader_t *rmff_scan_fileheader(const char *data) {
+
+  rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
+
+  fileheader->object_id=BE_32(data);
+  fileheader->size=BE_32(&data[4]);
+  fileheader->object_version=BE_16(&data[8]);
+  if (fileheader->object_version != 0)
+  {
+    printf("warning: unknown object version in .RMF: 0x%04x\n",
+      fileheader->object_version);
+  }
+  fileheader->file_version=BE_32(&data[10]);
+  fileheader->num_headers=BE_32(&data[14]);
+
+  return fileheader;
+}
+
+static rmff_prop_t *rmff_scan_prop(const char *data) {
+
+  rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
+
+  prop->object_id=BE_32(data);
+  prop->size=BE_32(&data[4]);
+  prop->object_version=BE_16(&data[8]);
+  if (prop->object_version != 0)
+  {
+    printf("warning: unknown object version in PROP: 0x%04x\n",
+      prop->object_version);
+  }
+  prop->max_bit_rate=BE_32(&data[10]);
+  prop->avg_bit_rate=BE_32(&data[14]);
+  prop->max_packet_size=BE_32(&data[18]);
+  prop->avg_packet_size=BE_32(&data[22]);
+  prop->num_packets=BE_32(&data[26]);
+  prop->duration=BE_32(&data[30]);
+  prop->preroll=BE_32(&data[34]);
+  prop->index_offset=BE_32(&data[38]);
+  prop->data_offset=BE_32(&data[42]);
+  prop->num_streams=BE_16(&data[46]);
+  prop->flags=BE_16(&data[48]);
+
+  return prop;
+}
+
+static rmff_mdpr_t *rmff_scan_mdpr(const char *data) {
+
+  rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
+
+  mdpr->object_id=BE_32(data);
+  mdpr->size=BE_32(&data[4]);
+  mdpr->object_version=BE_16(&data[8]);
+  if (mdpr->object_version != 0)
+  {
+    printf("warning: unknown object version in MDPR: 0x%04x\n",
+      mdpr->object_version);
+  }
+  mdpr->stream_number=BE_16(&data[10]);
+  mdpr->max_bit_rate=BE_32(&data[12]);
+  mdpr->avg_bit_rate=BE_32(&data[16]);
+  mdpr->max_packet_size=BE_32(&data[20]);
+  mdpr->avg_packet_size=BE_32(&data[24]);
+  mdpr->start_time=BE_32(&data[28]);
+  mdpr->preroll=BE_32(&data[32]);
+  mdpr->duration=BE_32(&data[36]);
+  
+  mdpr->stream_name_size=data[40];
+  mdpr->stream_name=malloc(sizeof(char)*(mdpr->stream_name_size+1));
+  memcpy(mdpr->stream_name, &data[41], mdpr->stream_name_size);
+  mdpr->stream_name[mdpr->stream_name_size]=0;
+  
+  mdpr->mime_type_size=data[41+mdpr->stream_name_size];
+  mdpr->mime_type=malloc(sizeof(char)*(mdpr->mime_type_size+1));
+  memcpy(mdpr->mime_type, &data[42+mdpr->stream_name_size], mdpr->mime_type_size);
+  mdpr->mime_type[mdpr->mime_type_size]=0;
+  
+  mdpr->type_specific_len=BE_32(&data[42+mdpr->stream_name_size+mdpr->mime_type_size]);
+  mdpr->type_specific_data=malloc(sizeof(char)*(mdpr->type_specific_len));
+  memcpy(mdpr->type_specific_data, 
+      &data[46+mdpr->stream_name_size+mdpr->mime_type_size], mdpr->type_specific_len);
+  
+  return mdpr;
+}
+
+static rmff_cont_t *rmff_scan_cont(const char *data) {
+
+  rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
+  int pos;
+
+  cont->object_id=BE_32(data);
+  cont->size=BE_32(&data[4]);
+  cont->object_version=BE_16(&data[8]);
+  if (cont->object_version != 0)
+  {
+    printf("warning: unknown object version in CONT: 0x%04x\n",
+      cont->object_version);
+  }
+  cont->title_len=BE_16(&data[10]);
+  cont->title=malloc(sizeof(char)*(cont->title_len+1));
+  memcpy(cont->title, &data[12], cont->title_len);
+  cont->title[cont->title_len]=0;
+  pos=cont->title_len+12;
+  cont->author_len=BE_16(&data[pos]);
+  cont->author=malloc(sizeof(char)*(cont->author_len+1));
+  memcpy(cont->author, &data[pos+2], cont->author_len);
+  cont->author[cont->author_len]=0;
+  pos=pos+2+cont->author_len;
+  cont->copyright_len=BE_16(&data[pos]);
+  cont->copyright=malloc(sizeof(char)*(cont->copyright_len+1));
+  memcpy(cont->copyright, &data[pos+2], cont->copyright_len);
+  cont->copyright[cont->copyright_len]=0;
+  pos=pos+2+cont->copyright_len;
+  cont->comment_len=BE_16(&data[pos]);
+  cont->comment=malloc(sizeof(char)*(cont->comment_len+1));
+  memcpy(cont->comment, &data[pos+2], cont->comment_len);
+  cont->comment[cont->comment_len]=0;
+
+  return cont;
+}
+
+static rmff_data_t *rmff_scan_dataheader(const char *data) {
+
+  rmff_data_t *dh=malloc(sizeof(rmff_data_t));
+
+  dh->object_id=BE_32(data);
+  dh->size=BE_32(&data[4]);
+  dh->object_version=BE_16(&data[8]);
+  if (dh->object_version != 0)
+  {
+    printf("warning: unknown object version in DATA: 0x%04x\n",
+      dh->object_version);
+  }
+  dh->num_packets=BE_32(&data[10]);
+  dh->next_data_header=BE_32(&data[14]);
+
+  return dh;
+}
+ 
+rmff_header_t *rmff_scan_header(const char *data) {
+
+	rmff_header_t *header=malloc(sizeof(rmff_header_t));
+	rmff_mdpr_t   *mdpr=NULL;
+	int           chunk_size;
+	uint32_t      chunk_type;
+  const char    *ptr=data;
+  int           i;
+
+  header->fileheader=NULL;
+	header->prop=NULL;
+	header->cont=NULL;
+	header->data=NULL;
+
+  chunk_type = BE_32(ptr);
+  if (chunk_type != RMF_TAG)
+  {
+    printf("rmff: not an real media file header (.RMF tag not found).\n");
+    free(header);
+    return NULL;
+  }
+  header->fileheader=rmff_scan_fileheader(ptr);
+  ptr += header->fileheader->size;
+	
+	header->streams=malloc(sizeof(rmff_mdpr_t*)*(header->fileheader->num_headers));
+  for (i=0; i<header->fileheader->num_headers; i++) {
+    header->streams[i]=NULL;
+  }
+  
+  for (i=1; i<header->fileheader->num_headers; i++) {
+    chunk_type = BE_32(ptr);
+  
+    if (ptr[0] == 0)
+    {
+      printf("rmff: warning: only %d of %d header found.\n", i, header->fileheader->num_headers);
+      break;
+    }
+    
+    chunk_size=1;
+    switch (chunk_type) {
+    case PROP_TAG:
+      header->prop=rmff_scan_prop(ptr);
+      chunk_size=header->prop->size;
+      break;
+    case MDPR_TAG:
+      mdpr=rmff_scan_mdpr(ptr);
+      chunk_size=mdpr->size;
+      header->streams[mdpr->stream_number]=mdpr;
+      break;
+    case CONT_TAG:
+      header->cont=rmff_scan_cont(ptr);
+      chunk_size=header->cont->size;
+      break;
+    case DATA_TAG:
+      header->data=rmff_scan_dataheader(ptr);
+      chunk_size=34;     /* hard coded header size */
+      break;
+    default:
+      printf("unknown chunk\n");
+      hexdump(ptr,10);
+      chunk_size=1;
+      break;
+    }
+    ptr+=chunk_size;
+  }
+
+	return header;
+}
+
+rmff_header_t *rmff_scan_header_stream(int fd) {
+
+  rmff_header_t *header;
+  char *buf=malloc(sizeof(char)*1024);
+  int fill=0;
+  int size=1024;
+  uint32_t chunk_type;
+  uint32_t chunk_size;
+  char *ptr=buf;
+
+  do {
+    if (size-fill < 8) {
+      size+=1024;
+      buf=realloc(buf, sizeof(char)*size);
+      ptr=buf+fill;
+    }
+    read(fd, ptr, 8);
+    chunk_type=BE_32(ptr);
+    ptr+=4;
+    fill+=4;
+    chunk_size=BE_32(ptr);
+    ptr+=4;
+    fill+=4;
+    switch (chunk_type) {
+      case DATA_TAG:
+        chunk_size=18;
+      case MDPR_TAG:
+      case CONT_TAG:
+      case RMF_TAG:
+      case PROP_TAG:
+        if (size-fill < (chunk_size-8)) {
+          size+=1024;
+          buf=realloc(buf, sizeof(char)*size);
+          ptr=buf+fill;
+        }
+        read(fd, ptr, (chunk_size-8));
+        ptr+=(chunk_size-8);
+        fill+=(chunk_size-8);
+        break;
+      default:
+        printf("rmff_scan_header_stream: unknown chunk");
+        hexdump(ptr-8, 8);
+        chunk_type=DATA_TAG;
+    }
+  } while (chunk_type != DATA_TAG);
+
+  header = rmff_scan_header(buf);
+
+  free(buf);
+
+  return header;
+}
+
+void rmff_scan_pheader(rmff_pheader_t *h, char *data) {
+
+  h->object_version=BE_16(data);
+  h->length=BE_16(data+2);
+  h->stream_number=BE_16(data+4);
+  h->timestamp=BE_32(data+6);
+  h->reserved=(uint8_t)data[10];
+  h->flags=(uint8_t)data[11];
+}
+
+rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
+
+  rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
+
+  fileheader->object_id=RMF_TAG;
+  fileheader->size=18;
+  fileheader->object_version=0;
+  fileheader->file_version=0;
+  fileheader->num_headers=num_headers;
+
+  return fileheader;
+}
+
+rmff_prop_t *rmff_new_prop (
+    uint32_t max_bit_rate,
+    uint32_t avg_bit_rate,
+    uint32_t max_packet_size,
+    uint32_t avg_packet_size,
+    uint32_t num_packets,
+    uint32_t duration,
+    uint32_t preroll,
+    uint32_t index_offset,
+    uint32_t data_offset,
+    uint16_t num_streams,
+    uint16_t flags ) {
+
+  rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
+
+  prop->object_id=PROP_TAG;
+  prop->size=50;
+  prop->object_version=0;
+
+  prop->max_bit_rate=max_bit_rate;
+  prop->avg_bit_rate=avg_bit_rate;
+  prop->max_packet_size=max_packet_size;
+  prop->avg_packet_size=avg_packet_size;
+  prop->num_packets=num_packets;
+  prop->duration=duration;
+  prop->preroll=preroll;
+  prop->index_offset=index_offset;
+  prop->data_offset=data_offset;
+  prop->num_streams=num_streams;
+  prop->flags=flags;
+   
+  return prop;
+}
+
+rmff_mdpr_t *rmff_new_mdpr(
+      uint16_t   stream_number,
+      uint32_t   max_bit_rate,
+      uint32_t   avg_bit_rate,
+      uint32_t   max_packet_size,
+      uint32_t   avg_packet_size,
+      uint32_t   start_time,
+      uint32_t   preroll,
+      uint32_t   duration,
+      const char *stream_name,
+      const char *mime_type,
+      uint32_t   type_specific_len,
+      const char *type_specific_data ) {
+
+  rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
+  
+  mdpr->object_id=MDPR_TAG;
+  mdpr->object_version=0;
+
+  mdpr->stream_number=stream_number;
+  mdpr->max_bit_rate=max_bit_rate;
+  mdpr->avg_bit_rate=avg_bit_rate;
+  mdpr->max_packet_size=max_packet_size;
+  mdpr->avg_packet_size=avg_packet_size;
+  mdpr->start_time=start_time;
+  mdpr->preroll=preroll;
+  mdpr->duration=duration;
+  mdpr->stream_name_size=0;
+  if (stream_name) {
+    mdpr->stream_name=strdup(stream_name);
+    mdpr->stream_name_size=strlen(stream_name);
+  }
+  mdpr->mime_type_size=0;
+  if (mime_type) {
+    mdpr->mime_type=strdup(mime_type);
+    mdpr->mime_type_size=strlen(mime_type);
+  }
+  mdpr->type_specific_len=type_specific_len;
+  memcpy(mdpr->type_specific_data,type_specific_data,type_specific_len);
+  mdpr->mlti_data=NULL;
+  
+  mdpr->size=mdpr->stream_name_size+mdpr->mime_type_size+mdpr->type_specific_len+46;
+
+  return mdpr;
+}
+
+rmff_cont_t *rmff_new_cont(const char *title, const char *author, const char *copyright, const char *comment) {
+
+  rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
+
+  cont->object_id=CONT_TAG;
+  cont->object_version=0;
+
+  cont->title=NULL;
+  cont->author=NULL;
+  cont->copyright=NULL;
+  cont->comment=NULL;
+  
+  cont->title_len=0;
+  cont->author_len=0;
+  cont->copyright_len=0;
+  cont->comment_len=0;
+
+  if (title) {
+    cont->title_len=strlen(title);
+    cont->title=strdup(title);
+  }
+  if (author) {
+    cont->author_len=strlen(author);
+    cont->author=strdup(author);
+  }
+  if (copyright) {
+    cont->copyright_len=strlen(copyright);
+    cont->copyright=strdup(copyright);
+  }
+  if (comment) {
+    cont->comment_len=strlen(comment);
+    cont->comment=strdup(comment);
+  }
+  cont->size=cont->title_len+cont->author_len+cont->copyright_len+cont->comment_len+18;
+
+  return cont;
+}
+
+rmff_data_t *rmff_new_dataheader(uint32_t num_packets, uint32_t next_data_header) {
+
+  rmff_data_t *data=malloc(sizeof(rmff_data_t));
+
+  data->object_id=DATA_TAG;
+  data->size=18;
+  data->object_version=0;
+  data->num_packets=num_packets;
+  data->next_data_header=next_data_header;
+
+  return data;
+}
+  
+void rmff_print_header(rmff_header_t *h) {
+
+  rmff_mdpr_t **stream;
+  
+  if(!h) {
+    printf("rmff_print_header: NULL given\n");
+    return;
+  }
+  if(h->fileheader)
+  {
+    printf("\nFILE:\n");
+    printf("file version      : %d\n", h->fileheader->file_version);
+    printf("number of headers : %d\n", h->fileheader->num_headers);
+  }
+  if(h->cont)
+  {
+    printf("\nCONTENT:\n");
+    printf("title     : %s\n", h->cont->title);
+    printf("author    : %s\n", h->cont->author);
+    printf("copyright : %s\n", h->cont->copyright);
+    printf("comment   : %s\n", h->cont->comment);
+  }
+  if(h->prop)
+  {
+    printf("\nSTREAM PROPERTIES:\n");
+    printf("bit rate (max/avg)    : %i/%i\n", h->prop->max_bit_rate, h->prop->avg_bit_rate);
+    printf("packet size (max/avg) : %i/%i bytes\n", h->prop->max_packet_size, h->prop->avg_packet_size);
+    printf("packets       : %i\n", h->prop->num_packets);
+    printf("duration      : %i ms\n", h->prop->duration);
+    printf("pre-buffer    : %i ms\n", h->prop->preroll);
+    printf("index offset  : %i bytes\n", h->prop->index_offset);
+    printf("data offset   : %i bytes\n", h->prop->data_offset);
+    printf("media streams : %i\n", h->prop->num_streams);
+    printf("flags         : ");
+    if (h->prop->flags & PN_SAVE_ENABLED) printf("save_enabled ");
+    if (h->prop->flags & PN_PERFECT_PLAY_ENABLED) printf("perfect_play_enabled ");
+    if (h->prop->flags & PN_LIVE_BROADCAST) printf("live_broadcast ");
+    printf("\n");
+  }
+  stream=h->streams;
+  if(stream)
+  {
+    while (*stream)
+    {
+      printf("\nSTREAM %i:\n", (*stream)->stream_number);
+      printf("stream name [mime type] : %s [%s]\n", (*stream)->stream_name, (*stream)->mime_type);
+      printf("bit rate (max/avg)      : %i/%i\n", (*stream)->max_bit_rate, (*stream)->avg_bit_rate);
+      printf("packet size (max/avg)   : %i/%i bytes\n", (*stream)->max_packet_size, (*stream)->avg_packet_size);
+      printf("start time : %i\n", (*stream)->start_time);
+      printf("pre-buffer : %i ms\n", (*stream)->preroll);
+      printf("duration   : %i ms\n", (*stream)->duration);
+      printf("type specific data:\n");
+      hexdump((*stream)->type_specific_data, (*stream)->type_specific_len);
+      stream++;
+    }
+  }
+  if(h->data)
+  {
+    printf("\nDATA:\n");
+    printf("size      : %i\n", h->data->size);
+    printf("packets   : %i\n", h->data->num_packets);
+    printf("next DATA : 0x%08x\n", h->data->next_data_header);
+  } 
+}
+
+void rmff_fix_header(rmff_header_t *h) {
+
+  int num_headers=0;
+  int header_size=0;
+  rmff_mdpr_t **streams;
+  int num_streams=0;
+
+  if (!h) {
+    printf("rmff_fix_header: fatal: no header given.\n");
+    return;
+  }
+
+  if (!h->streams) {
+    printf("rmff_fix_header: warning: no MDPR chunks\n");
+  } else
+  {
+    streams=h->streams;
+    while (*streams)
+    {
+      num_streams++;
+      num_headers++;
+      header_size+=(*streams)->size;
+      streams++;
+    }
+  }
+  
+  if (h->prop) {
+    if (h->prop->size != 50)
+    {
+#ifdef LOG
+      printf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
+#endif
+      h->prop->size=50;
+    }
+    if (h->prop->num_streams != num_streams)
+    {
+#ifdef LOG
+      printf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
+#endif
+      h->prop->num_streams=num_streams;
+    }
+    num_headers++;
+    header_size+=50;
+  } else
+    printf("rmff_fix_header: warning: no PROP chunk.\n");
+
+  if (h->cont) {
+    num_headers++;
+    header_size+=h->cont->size;
+  } else
+    printf("rmff_fix_header: warning: no CONT chunk.\n");
+
+  if (!h->data) {
+#ifdef LOG
+    printf("rmff_fix_header: no DATA chunk, creating one\n");
+#endif
+    h->data=malloc(sizeof(rmff_data_t));
+    h->data->object_id=DATA_TAG;
+    h->data->object_version=0;
+    h->data->size=34;
+    h->data->num_packets=0;
+    h->data->next_data_header=0;
+  }
+  num_headers++;
+
+  
+  if (!h->fileheader) {
+#ifdef LOG
+    printf("rmff_fix_header: no fileheader, creating one");
+#endif
+    h->fileheader=malloc(sizeof(rmff_fileheader_t));
+    h->fileheader->object_id=RMF_TAG;
+    h->fileheader->size=34;
+    h->fileheader->object_version=0;
+    h->fileheader->file_version=0;
+    h->fileheader->num_headers=num_headers+1;
+  }
+  header_size+=h->fileheader->size;
+  num_headers++;
+
+  if(h->fileheader->num_headers != num_headers) {
+#ifdef LOG
+    printf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers); 
+#endif
+    h->fileheader->num_headers=num_headers;
+  }
+
+  if(h->prop) {
+    if (h->prop->data_offset != header_size) {
+#ifdef LOG
+      printf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size); 
+#endif
+      h->prop->data_offset=header_size;
+    }
+    if (h->prop->num_packets == 0) {
+      int p=(int)(h->prop->avg_bit_rate/8.0*(h->prop->duration/1000.0)/h->prop->avg_packet_size);
+#ifdef LOG
+      printf("rmff_fix_header: assuming prop.num_packets=%i\n", p); 
+#endif
+      h->prop->num_packets=p;
+    }
+    if (h->data->num_packets == 0) {
+#ifdef LOG
+      printf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets); 
+#endif
+      h->data->num_packets=h->prop->num_packets;
+    }
+    
+#ifdef LOG
+    printf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size); 
+#endif
+    h->data->size=h->prop->num_packets*h->prop->avg_packet_size;
+  }
+}
+
+int rmff_get_header_size(rmff_header_t *h) {
+
+  if (!h) return 0;
+  if (!h->prop) return -1;
+
+  return h->prop->data_offset+18;
+  
+}
+
+void rmff_free_header(rmff_header_t *h) {
+
+  if (!h) return;
+
+  if (h->fileheader) free(h->fileheader);
+  if (h->prop) free(h->prop);
+  if (h->data) free(h->data);
+  if (h->cont)
+  {
+    free(h->cont->title);
+    free(h->cont->author);
+    free(h->cont->copyright);
+    free(h->cont->comment);
+    free(h->cont);
+  }
+  if (h->streams)
+  {
+    rmff_mdpr_t **s=h->streams;
+
+    while(*s) {
+      free((*s)->stream_name);
+      free((*s)->mime_type);
+      free((*s)->type_specific_data);
+      free(*s);
+      s++;
+    }
+    free(h->streams);
+  }
+  free(h);
+}
diff --git a/src/input/libreal/rmff.h b/src/input/libreal/rmff.h
new file mode 100644
index 000000000..146109868
--- /dev/null
+++ b/src/input/libreal/rmff.h
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: rmff.h,v 1.1 2002/12/12 22:14:55 holstsn Exp $
+ *
+ * some functions for real media file headers
+ * adopted from joschkas real tools
+ */
+
+#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>
+
+
+#ifndef HAVE_RMFF_H
+#define HAVE_RMFF_H
+
+
+#define RMFF_HEADER_SIZE 0x12
+
+#define FOURCC_TAG( ch0, ch1, ch2, ch3 ) \
+        (((long)(unsigned char)(ch3)       ) | \
+        ( (long)(unsigned char)(ch2) << 8  ) | \
+        ( (long)(unsigned char)(ch1) << 16 ) | \
+        ( (long)(unsigned char)(ch0) << 24 ) )
+
+
+#define RMF_TAG   FOURCC_TAG('.', 'R', 'M', 'F')
+#define PROP_TAG  FOURCC_TAG('P', 'R', 'O', 'P')
+#define MDPR_TAG  FOURCC_TAG('M', 'D', 'P', 'R')
+#define CONT_TAG  FOURCC_TAG('C', 'O', 'N', 'T')
+#define DATA_TAG  FOURCC_TAG('D', 'A', 'T', 'A')
+#define INDX_TAG  FOURCC_TAG('I', 'N', 'D', 'X')
+#define PNA_TAG   FOURCC_TAG('P', 'N', 'A',  0 )
+
+#define MLTI_TAG  FOURCC_TAG('M', 'L', 'T', 'I')
+
+/* prop flags */
+#define PN_SAVE_ENABLED         0x01
+#define PN_PERFECT_PLAY_ENABLED 0x02
+#define PN_LIVE_BROADCAST       0x04
+
+#ifdef __CYGWIN__
+#define uint32_t unsigned int
+#define uint16_t unsigned short int
+#define uint8_t unsigned char
+#endif
+
+/*
+ * rm header data structs
+ */
+
+typedef struct {
+
+  uint32_t object_id;
+  uint32_t size;
+  uint16_t object_version;
+
+  uint32_t file_version;
+  uint32_t num_headers;
+} rmff_fileheader_t;
+
+typedef struct {
+
+  uint32_t object_id;
+  uint32_t size;
+  uint16_t object_version;
+
+  uint32_t max_bit_rate;
+  uint32_t avg_bit_rate;
+  uint32_t max_packet_size;
+  uint32_t avg_packet_size;
+  uint32_t num_packets;
+  uint32_t duration;
+  uint32_t preroll;
+  uint32_t index_offset;
+  uint32_t data_offset;
+  uint16_t num_streams;
+  uint16_t flags;
+    
+} rmff_prop_t;
+
+typedef struct {
+
+  uint32_t  object_id;
+  uint32_t  size;
+  uint16_t  object_version;
+
+  uint16_t  stream_number;
+  uint32_t  max_bit_rate;
+  uint32_t  avg_bit_rate;
+  uint32_t  max_packet_size;
+  uint32_t  avg_packet_size;
+  uint32_t  start_time;
+  uint32_t  preroll;
+  uint32_t  duration;
+  uint8_t   stream_name_size;
+  char      *stream_name;
+  uint8_t   mime_type_size;
+  char      *mime_type;
+  uint32_t  type_specific_len;
+  char      *type_specific_data;
+
+  char      *mlti_data;
+
+} rmff_mdpr_t;
+
+typedef struct {
+
+  uint32_t  object_id;
+  uint32_t  size;
+  uint16_t  object_version;
+
+  uint16_t  title_len;
+  char      *title;
+  uint16_t  author_len;
+  char      *author;
+  uint16_t  copyright_len;
+  char      *copyright;
+  uint16_t  comment_len;
+  char      *comment;
+  
+} rmff_cont_t;
+
+typedef struct {
+  
+  uint32_t object_id;
+  uint32_t size;
+  uint16_t object_version;
+
+  uint32_t num_packets;
+  uint32_t next_data_header; /* rarely used */
+} rmff_data_t;
+
+typedef struct {
+
+  rmff_fileheader_t *fileheader;
+  rmff_prop_t *prop;
+  rmff_mdpr_t **streams;
+  rmff_cont_t *cont;
+  rmff_data_t *data;
+} rmff_header_t;
+
+typedef struct {
+
+  uint16_t object_version;
+
+  uint16_t length;
+  uint16_t stream_number;
+  uint32_t timestamp;
+  uint8_t reserved;
+  uint8_t flags;
+
+} rmff_pheader_t;
+
+/*
+ * constructors for header structs
+ */
+ 
+rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers);
+
+rmff_prop_t *rmff_new_prop (
+    uint32_t max_bit_rate,
+    uint32_t avg_bit_rate,
+    uint32_t max_packet_size,
+    uint32_t avg_packet_size,
+    uint32_t num_packets,
+    uint32_t duration,
+    uint32_t preroll,
+    uint32_t index_offset,
+    uint32_t data_offset,
+    uint16_t num_streams,
+    uint16_t flags );
+
+rmff_mdpr_t *rmff_new_mdpr(
+    uint16_t   stream_number,
+    uint32_t   max_bit_rate,
+    uint32_t   avg_bit_rate,
+    uint32_t   max_packet_size,
+    uint32_t   avg_packet_size,
+    uint32_t   start_time,
+    uint32_t   preroll,
+    uint32_t   duration,
+    const char *stream_name,
+    const char *mime_type,
+    uint32_t   type_specific_len,
+    const char *type_specific_data );
+
+rmff_cont_t *rmff_new_cont(
+    const char *title,
+    const char *author,
+    const char *copyright,
+    const char *comment);
+
+rmff_data_t *rmff_new_dataheader(
+    uint32_t num_packets, uint32_t next_data_header);
+
+/*
+ * reads header infos from data and returns a newly allocated header struct
+ */
+rmff_header_t *rmff_scan_header(const char *data);
+
+/*
+ * scans a data packet header. Notice, that this function does not allocate
+ * the header struct itself.
+ */
+void rmff_scan_pheader(rmff_pheader_t *h, char *data);
+
+/*
+ * reads header infos from stream and returns a newly allocated header struct
+ */
+rmff_header_t *rmff_scan_header_stream(int fd);
+
+/*
+ * prints header information in human readible form to stdout
+ */
+void rmff_print_header(rmff_header_t *h);
+
+/*
+ * does some checks and fixes header if possible
+ */
+void rmff_fix_header(rmff_header_t *h);
+
+/*
+ * returns the size of the header (incl. first data-header)
+ */
+int rmff_get_header_size(rmff_header_t *h);
+ 
+/*
+ * dumps the header <h> to <buffer>. <max> is the size of <buffer>
+ */
+int rmff_dump_header(rmff_header_t *h, char *buffer, int max);
+
+/*
+ * dumps a packet header
+ */
+void rmff_dump_pheader(rmff_pheader_t *h, char *data);
+
+/*
+ * frees a header struct
+ */
+void rmff_free_header(rmff_header_t *h);
+
+#endif
diff --git a/src/input/librtsp/Makefile.am b/src/input/librtsp/Makefile.am
new file mode 100644
index 000000000..74e7e3d89
--- /dev/null
+++ b/src/input/librtsp/Makefile.am
@@ -0,0 +1,29 @@
+RTSP_CFLAGS = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
+
+AM_CFLAGS = $(RTSP_CFLAGS) @ANSI_FLAGS@
+
+noinst_LTLIBRARIES = librtsp.la
+
+librtsp_la_SOURCES = \
+  rtsp.c \
+  rtsp_session.c
+
+librtsp_la_LDFLAGS = $(THREAD_LIBS) -avoid-version -module
+
+noinst_HEADERS = \
+  rtsp.h \
+  rtsp_session.h
+  
+debug:
+	@$(MAKE) CFLAGS="$(DEBUG_CFLAGS) $(DVD_CFLAGS)"
+
+install-debug: debug
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+mostlyclean-generic:
+	-rm -f *~ \#* .*~ .\#*
+
+maintainer-clean-generic:
+	-@echo "This command is intended for maintainers to use;"
+	-@echo "it deletes files that may require special tools to rebuild."
+	-rm -f Makefile.in
diff --git a/src/input/librtsp/rtsp.c b/src/input/librtsp/rtsp.c
new file mode 100644
index 000000000..f851de9c4
--- /dev/null
+++ b/src/input/librtsp/rtsp.c
@@ -0,0 +1,763 @@
+/*
+ * 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
+ *
+ * $Id: rtsp.c,v 1.1 2002/12/12 22:14:55 holstsn Exp $
+ *
+ * a minimalistic implementation of rtsp protocol,
+ * *not* RFC 2326 compilant yet.
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <time.h>
+
+#include "rtsp.h"
+
+/*
+#define LOG
+*/
+
+#define BUF_SIZE 4096
+#define HEADER_SIZE 1024
+#define MAX_FIELDS 256
+
+struct rtsp_s {
+
+  int           s;
+
+  char         *host;
+  int           port;
+  char         *path;
+  char         *mrl;
+  char         *user_agent;
+
+  char         *server;
+  unsigned int  server_state;
+  uint32_t      server_caps;
+  
+  char          buffer[BUF_SIZE]; /* scratch buffer */
+
+  unsigned int  cseq;
+  char         *session;
+
+  char        *answers[MAX_FIELDS];   /* data of last message */
+  char        *scheduled[MAX_FIELDS]; /* will be sent with next message */
+};
+
+/*
+ * constants
+ */
+
+const char rtsp_protocol_version[]="RTSP/1.0";
+
+/* server states */
+#define RTSP_CONNECTED 1
+#define RTSP_INIT      2
+#define RTSP_READY     4
+#define RTSP_PLAYING   8
+#define RTSP_RECORDING 16
+
+/* server capabilities */
+#define RTSP_OPTIONS       0x001
+#define RTSP_DESCRIBE      0x002
+#define RTSP_ANNOUNCE      0x004
+#define RTSP_SETUP         0x008
+#define RTSP_GET_PARAMETER 0x010
+#define RTSP_SET_PARAMETER 0x020
+#define RTSP_TEARDOWN      0x040
+#define RTSP_PLAY          0x080
+#define RTSP_RECORD        0x100
+
+/*
+ * network utilities
+ */
+ 
+static int host_connect_attempt(struct in_addr ia, int port) {
+
+  int                s;
+  struct sockaddr_in sin;
+
+  s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);  
+  if (s == -1) {
+    printf ("rtsp: socket(): %s\n", strerror(errno));
+    return -1;
+  }
+
+  sin.sin_family = AF_INET;
+  sin.sin_addr   = ia;
+  sin.sin_port   = htons(port);
+  
+  if (connect(s, (struct sockaddr *)&sin, sizeof(sin))==-1 
+      && errno != EINPROGRESS) {
+    printf ("rtsp: connect(): %s\n", strerror(errno));
+    close(s);
+    return -1;
+  }
+
+  return s;
+}
+
+static int host_connect(const char *host, int port) {
+
+  struct hostent *h;
+  int             i, s;
+  
+  h = gethostbyname(host);
+  if (h == NULL) {
+    printf ("rtsp: unable to resolve '%s'.\n", host);
+    return -1;
+  }
+
+  for (i = 0; h->h_addr_list[i]; i++) {
+    struct in_addr ia;
+
+    memcpy (&ia, h->h_addr_list[i], 4);
+    s = host_connect_attempt(ia, port);
+    if(s != -1)
+      return s;
+  }
+  printf ("rtsp: unable to connect to '%s'.\n", host);
+  return -1;
+}
+
+static int write_stream(int s, const char *buf, int len) {
+  int total, timeout;
+
+  total = 0; timeout = 30;
+  while (total < len){ 
+    int n;
+
+    n = write (s, &buf[total], len - total);
+
+    if (n > 0)
+      total += n;
+    else if (n < 0) {
+      if ((timeout>0) && ((errno == EAGAIN) || (errno == EINPROGRESS))) {
+        sleep (1); timeout--;
+      } else
+        return -1;
+    }
+  }
+
+  return total;
+}
+
+static ssize_t read_stream(int fd, void *buf, size_t count) {
+  
+  ssize_t ret, total;
+
+  total = 0;
+
+  while (total < count) {
+  
+    fd_set rset;
+    struct timeval timeout;
+
+    FD_ZERO (&rset);
+    FD_SET  (fd, &rset);
+    
+    timeout.tv_sec  = 30;
+    timeout.tv_usec = 0;
+    
+    if (select (fd+1, &rset, NULL, NULL, &timeout) <= 0) {
+      return -1;
+    }
+    
+    ret=read (fd, buf+total, count-total);
+
+    if (ret<=0) {
+      printf ("rtsp: read error.\n");
+      return ret;
+    } else
+      total += ret;
+  }
+
+  return total;
+}
+
+/*
+ * debugging utilities
+ */
+#if 0 
+static void hexdump (char *buf, int length) {
+
+  int i;
+
+  printf ("rtsp: ascii>");
+  for (i = 0; i < length; i++) {
+    unsigned char c = buf[i];
+
+    if ((c >= 32) && (c <= 128))
+      printf ("%c", c);
+    else
+      printf (".");
+  }
+  printf ("\n");
+
+  printf ("rtsp: hexdump> ");
+  for (i = 0; i < length; i++) {
+    unsigned char c = buf[i];
+
+    printf ("%02x", c);
+
+    if ((i % 16) == 15)
+      printf ("\nrtsp:         ");
+
+    if ((i % 2) == 1)
+      printf (" ");
+
+  }
+  printf ("\n");
+}
+#endif
+
+/*
+ * rtsp_get gets a line from stream
+ * and returns a null terminated string.
+ */
+ 
+static char *rtsp_get(rtsp_t *s) {
+
+  int n=0;
+  char *string;
+
+  while (n<BUF_SIZE) {
+    read_stream(s->s, &s->buffer[n], 1);
+    if ((s->buffer[n-1]==0x0d)&&(s->buffer[n]==0x0a)) break;
+    n++;
+  }
+
+  if (n>=BUF_SIZE) {
+    printf("librtsp: buffer overflow in rtsp_get\n");
+    exit(1);
+  }
+  string=malloc(sizeof(char)*n);
+  memcpy(string,s->buffer,n-1);
+  string[n-1]=0;
+
+#ifdef LOG
+  printf("librtsp: << '%s'\n", string);
+#endif
+  
+
+  return string;
+}
+
+/*
+ * rtsp_put puts a line on stream
+ */
+ 
+static void rtsp_put(rtsp_t *s, const char *string) {
+
+  int len=strlen(string);
+  char *buf=malloc(sizeof(char)*len+2);
+
+#ifdef LOG
+  printf("librtsp: >> '%s'", string);
+#endif
+
+  memcpy(buf,string,len);
+  buf[len]=0x0d;
+  buf[len+1]=0x0a;
+
+  write_stream(s->s, buf, len+2);
+  
+#ifdef LOG
+  printf(" done.\n");
+#endif
+
+  free(buf);
+}
+
+/*
+ * extract server status code
+ */
+
+static int rtsp_get_code(const char *string) {
+
+  char buf[4];
+  int code;
+
+  memcpy(buf, string+strlen(rtsp_protocol_version)+1, 3);
+  buf[3]=0;
+  code=atoi(buf);
+
+  if(code != 200) printf("librtsp: server responds: '%s'\n",string);
+
+  return code;
+}
+
+/*
+ * send a request
+ */
+
+static void rtsp_send_request(rtsp_t *s, const char *type, const char *what) {
+
+  char **payload=s->scheduled;
+  sprintf(s->buffer,"%s %s %s",type, what, rtsp_protocol_version);
+  rtsp_put(s,s->buffer);
+  if (payload)
+    while (*payload) {
+      rtsp_put(s,*payload);
+      payload++;
+    }
+  rtsp_put(s,"");
+  rtsp_unschedule_all(s);
+}
+
+/*
+ * schedule standard fields
+ */
+
+static void rtsp_schedule_standard(rtsp_t *s) {
+
+  sprintf(s->buffer, "Cseq: %u", s->cseq);
+  rtsp_schedule_field(s, s->buffer);
+  if (s->session) {
+    sprintf(s->buffer, "Session: %s", s->session);
+    rtsp_schedule_field(s, s->buffer);
+  }
+}
+/*
+ * get the answers, if server responses with something != 200, return NULL
+ */
+ 
+static int rtsp_get_answers(rtsp_t *s) {
+
+  char *answer=NULL;
+  unsigned int answer_seq;
+  char **answer_ptr=s->answers;
+  int code;
+  
+  answer=rtsp_get(s);
+  code=rtsp_get_code(answer);
+  free(answer);
+
+  rtsp_free_answers(s);
+  
+  do { /* while we get answer lines */
+  
+    answer=rtsp_get(s);
+    
+    if (!strncmp(answer,"Cseq:",5)) {
+      sscanf(answer,"Cseq: %u",&answer_seq);
+      if (s->cseq != answer_seq) {
+        printf("librtsp: warning: Cseq mismatch. got %u, assumed %u", answer_seq, s->cseq);
+      }
+    }
+    if (!strncmp(answer,"Server:",7)) {
+      sscanf(answer,"Server: %s",s->buffer);
+      if (s->server) free(s->server);
+      s->server=strdup(s->buffer);
+    }
+    if (!strncmp(answer,"Session:",8)) {
+      memset(s->buffer,0, BUF_SIZE);
+      sscanf(answer,"Session: %s",s->buffer);
+      if (s->session) {
+        if (strcmp(s->buffer, s->session)) {
+          printf("rtsp: warning: setting NEW session: %s\n", s->buffer);
+          free(s->session);
+          s->session=strdup(s->buffer);
+        }
+      } else
+      {
+#ifdef LOG
+        printf("rtsp: setting session id to: %s\n", s->buffer);
+#endif
+        s->session=strdup(s->buffer);
+      }
+    }
+    *answer_ptr=answer;
+    answer_ptr++;
+  } while (strlen(answer)!=0);
+  
+  *answer_ptr=NULL;
+  s->cseq++;
+  rtsp_schedule_standard(s);
+    
+  return code;
+}
+
+/*
+ * implementation of must-have rtsp requests; functions return
+ * server status code.
+ */
+
+int rtsp_request_options(rtsp_t *s, const char *what) {
+
+  char *buf;
+
+  if (what) {
+    buf=strdup(what);
+  } else
+  {
+    buf=malloc(sizeof(char)*(strlen(s->host)+16));
+    sprintf(buf,"rtsp://%s:%i", s->host, s->port);
+  }
+  rtsp_send_request(s,"OPTIONS",buf);
+  free(buf);
+
+  return rtsp_get_answers(s);
+}
+
+int rtsp_request_describe(rtsp_t *s, const char *what) {
+
+  char *buf;
+
+  if (what) {
+    buf=strdup(what);
+  } else
+  {
+    buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
+    sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
+  }
+  rtsp_send_request(s,"DESCRIBE",buf);
+  free(buf);
+  
+  return rtsp_get_answers(s);
+}
+
+int rtsp_request_setup(rtsp_t *s, const char *what) {
+
+  rtsp_send_request(s,"SETUP",what);
+  
+  return rtsp_get_answers(s);
+}
+
+int rtsp_request_setparameter(rtsp_t *s, const char *what) {
+
+  char *buf;
+
+  if (what) {
+    buf=strdup(what);
+  } else
+  {
+    buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
+    sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
+  }
+  rtsp_send_request(s,"SET_PARAMETER",buf);
+  free(buf);
+  
+  return rtsp_get_answers(s);
+}
+
+int rtsp_request_play(rtsp_t *s, const char *what) {
+
+  char *buf;
+
+  if (what) {
+    buf=strdup(what);
+  } else
+  {
+    buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
+    sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
+  }
+  rtsp_send_request(s,"PLAY",buf);
+  free(buf);
+  
+  return rtsp_get_answers(s);
+}
+
+int rtsp_request_tearoff(rtsp_t *s, const char *what) {
+
+  rtsp_send_request(s,"TEAROFF",what);
+  
+  return rtsp_get_answers(s);
+}
+
+/*
+ * read opaque data from stream
+ */
+
+int rtsp_read_data(rtsp_t *s, char *buffer, unsigned int size) {
+
+  int i,seq;
+
+  if (size>=4) {
+    i=read_stream(s->s, buffer, 4);
+    if (i<4) return i;
+    if ((buffer[0]=='S')&&(buffer[1]=='E')&&(buffer[2]=='T')&&(buffer[3]=='_'))
+    {
+      char *rest=rtsp_get(s);
+      /* a real server wanna play table tennis? */
+      memcpy(s->buffer, buffer, 4);
+      strcpy(s->buffer+4, rest);
+      seq=-1;
+      do {
+        free(rest);
+        rest=rtsp_get(s);
+        if (!strncmp(rest,"Cseq:",5))
+          sscanf(rest,"Cseq: %u",&seq);
+      } while (strlen(rest)!=0);
+      free(rest);
+      if (seq<0) {
+        printf("rtsp: warning: cseq not recognized!\n");
+        seq=1;
+      }
+      /* lets make the server happy */
+      rtsp_put(s, "RTSP/1.0 451 Parameter Not Understood");
+      rest=malloc(sizeof(char)*16);
+      sprintf(rest,"CSeq: %u", seq);
+      rtsp_put(s, rest);
+      rtsp_put(s, "");
+      i=read_stream(s->s, buffer, size);
+    } else
+    {
+      i=read_stream(s->s, buffer+4, size-4);
+      i+=4;
+    }
+  } else
+    i=read_stream(s->s, buffer, size);
+#ifdef LOG
+  printf("librtsp: << %d of %d bytes\n", i, size);
+#endif
+
+  return i;
+}
+
+/*
+ * connect to a rtsp server
+ */
+
+rtsp_t *rtsp_connect(const char *mrl, const char *user_agent) {
+
+  rtsp_t *s=malloc(sizeof(rtsp_t));
+  char *mrl_ptr=strdup(mrl);
+  char *slash, *colon;
+  int hostend, pathbegin, i;
+  
+  if (strncmp(mrl,"rtsp://",7))
+  {
+    printf("rtsp: bad mrl: %s\n", mrl);
+    free(s);
+    return NULL;
+  }
+  
+  mrl_ptr+=7;
+
+  for (i=0; i<MAX_FIELDS; i++) {
+    s->answers[i]=NULL;
+    s->scheduled[i]=NULL;
+  }
+
+  s->host=NULL;
+  s->port=554; /* rtsp standard port */
+  s->path=NULL;
+  s->mrl=strdup(mrl);
+  
+  s->server=NULL;
+  s->server_state=0;
+  s->server_caps=0;
+  
+  s->cseq=0;
+  s->session=NULL;
+  
+  if (user_agent)
+    s->user_agent=strdup(user_agent);
+  else
+    s->user_agent=strdup("User-Agent: joschkas real tool");
+
+  slash=strchr(mrl_ptr,'/');
+  colon=strchr(mrl_ptr,':');
+
+  if(!slash) slash=mrl_ptr+strlen(mrl_ptr)+1;
+  if(!colon) colon=slash; 
+  if(colon > slash) colon=slash;
+
+  pathbegin=slash-mrl_ptr;
+  hostend=colon-mrl_ptr;
+
+  s->host=malloc(sizeof(char)*hostend+1);
+  strncpy(s->host, mrl_ptr, hostend);
+  s->host[hostend]=0;
+
+  if (pathbegin < strlen(mrl_ptr)) s->path=strdup(mrl_ptr+pathbegin+1);
+  if (colon != slash) {
+    strncpy(s->buffer,mrl_ptr+hostend+1, pathbegin-hostend-1);
+    s->buffer[pathbegin-hostend-1]=0;
+    s->port=atoi(s->buffer);
+  }
+#ifdef LOG
+  printf("got mrl: %s %i %s\n",s->host,s->port,s->path);
+#endif
+  s->s = host_connect (s->host, s->port);
+
+  if (s->s < 0) {
+    printf ("rtsp: failed to connect to '%s'\n", s->host);
+    rtsp_close(s);
+    return NULL;
+  }
+
+  s->server_state=RTSP_CONNECTED;
+
+  /* now lets send an options request. */
+  rtsp_schedule_field(s, s->user_agent);
+  rtsp_request_options(s, NULL);
+
+  return s;
+}
+
+
+/*
+ * closes an rtsp connection 
+ */
+
+void rtsp_close(rtsp_t *s) {
+
+  if (s->server_state) close(s->s); /* TODO: send a TEAROFF */
+  if (s->path) free(s->path);
+  if (s->host) free(s->host);
+  if (s->mrl) free(s->mrl);
+  if (s->session) free(s->session);
+  if (s->user_agent) free(s->user_agent);
+  rtsp_free_answers(s);
+  rtsp_unschedule_all(s);
+  free(s);  
+}
+
+/*
+ * search in answers for tags. returns a pointer to the content
+ * after the first matched tag. returns NULL if no match found.
+ */
+
+char *rtsp_search_answers(rtsp_t *s, const char *tag) {
+
+  char **answer;
+  char *ptr;
+  
+  if (!s->answers) return NULL;
+  answer=s->answers;
+
+  while (*answer) {
+    if (!strncmp(*answer,tag,strlen(tag))) {
+      ptr=strchr(*answer,':');
+      ptr++;
+      while(*ptr==' ') ptr++;
+      return ptr;
+    }
+    answer++;
+  }
+
+  return NULL;
+}
+
+/*
+ * session id management
+ */
+
+void rtsp_set_session(rtsp_t *s, const char *id) {
+
+  if (s->session) free(s->session);
+
+  s->session=strdup(id);
+
+}
+
+char *rtsp_get_session(rtsp_t *s) {
+
+  return s->session;
+
+}
+
+char *rtsp_get_mrl(rtsp_t *s) {
+
+  return s->mrl;
+
+}
+
+/*
+ * schedules a field for transmission
+ */
+
+void rtsp_schedule_field(rtsp_t *s, const char *string) {
+
+  int i=0;
+  
+  if (!string) return;
+
+  while(s->scheduled[i]) {
+    i++;
+  }
+  s->scheduled[i]=strdup(string);
+}
+
+/*
+ * removes the first scheduled field which prefix matches string. 
+ */
+
+void rtsp_unschedule_field(rtsp_t *s, const char *string) {
+
+  char **ptr=s->scheduled;
+  
+  if (!string) return;
+
+  while(*ptr) {
+    if (!strncmp(*ptr, string, strlen(string)))
+      break;
+  }
+  if (*ptr) free(*ptr);
+  ptr++;
+  do {
+    *(ptr-1)=*ptr;
+  } while(*ptr);
+}
+
+/*
+ * unschedule all fields
+ */
+
+void rtsp_unschedule_all(rtsp_t *s) {
+
+  char **ptr;
+  
+  if (!s->scheduled) return;
+  ptr=s->scheduled;
+
+  while (*ptr) {
+    free(*ptr);
+    *ptr=NULL;
+    ptr++;
+  }
+}
+/*
+ * free answers
+ */
+
+void rtsp_free_answers(rtsp_t *s) {
+
+  char **answer;
+  
+  if (!s->answers) return;
+  answer=s->answers;
+
+  while (*answer) {
+    free(*answer);
+    *answer=NULL;
+    answer++;
+  }
+}
diff --git a/src/input/librtsp/rtsp.h b/src/input/librtsp/rtsp.h
new file mode 100644
index 000000000..346ef59af
--- /dev/null
+++ b/src/input/librtsp/rtsp.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 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
+ *
+ * $Id: rtsp.h,v 1.1 2002/12/12 22:14:56 holstsn Exp $
+ *
+ * a minimalistic implementation of rtsp protocol,
+ * *not* RFC 2326 compilant yet.
+ */
+ 
+#ifndef HAVE_RTSP_H
+#define HAVE_RTSP_H
+
+/*#include <inttypes.h> */
+/*#include "xine_internal.h" */
+
+#ifdef __CYGWIN__
+#define uint32_t unsigned int
+#define uint16_t unsigned short int
+#define uint8_t unsigned char
+#endif
+
+typedef struct rtsp_s rtsp_t;
+
+rtsp_t*  rtsp_connect (const char *mrl, const char *user_agent);
+
+int rtsp_request_options(rtsp_t *s, const char *what);
+int rtsp_request_describe(rtsp_t *s, const char *what);
+int rtsp_request_setup(rtsp_t *s, const char *what);
+int rtsp_request_setparameter(rtsp_t *s, const char *what);
+int rtsp_request_play(rtsp_t *s, const char *what);
+int rtsp_request_tearoff(rtsp_t *s, const char *what);
+
+int rtsp_read_data(rtsp_t *s, char *buffer, unsigned int size);
+
+char* rtsp_search_answers(rtsp_t *s, const char *tag);
+void rtsp_add_to_payload(char **payload, const char *string);
+
+void rtsp_free_answers(rtsp_t *this);
+
+int      rtsp_read (rtsp_t *this, char *data, int len);
+void     rtsp_close (rtsp_t *this);
+
+void  rtsp_set_session(rtsp_t *s, const char *id);
+char *rtsp_get_session(rtsp_t *s);
+
+char *rtsp_get_mrl(rtsp_t *s);
+
+/*int      rtsp_peek_header (rtsp_t *this, char *data); */
+
+void rtsp_schedule_field(rtsp_t *s, const char *string);
+void rtsp_unschedule_field(rtsp_t *s, const char *string);
+void rtsp_unschedule_all(rtsp_t *s);
+
+#endif
+
diff --git a/src/input/librtsp/rtsp_session.c b/src/input/librtsp/rtsp_session.c
new file mode 100644
index 000000000..fb728bab9
--- /dev/null
+++ b/src/input/librtsp/rtsp_session.c
@@ -0,0 +1,144 @@
+/*
+ * 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
+ *
+ * $Id: rtsp_session.c,v 1.1 2002/12/12 22:14:56 holstsn Exp $
+ *
+ * high level interface to rtsp servers.
+ */
+
+#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 "../libreal/real.h"
+#include "../libreal/rmff.h"
+#include "../libreal/asmrp.h"
+
+/*
+#define LOG
+*/
+
+#define BUF_SIZE 1024
+#define HEADER_SIZE 1024
+
+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=malloc(sizeof(rtsp_session_t));
+  char *server;
+  rmff_header_t *h;
+  uint32_t bandwidth=10485800;
+
+  /* connect to server */
+  rtsp_session->s=rtsp_connect(mrl,NULL);
+  if (!rtsp_session->s)
+  {
+    printf("rtsp_session: failed to connect to server\n");
+    free(rtsp_session);
+    return NULL;
+  }
+
+  /* looking for server type */
+  server=strdup(rtsp_search_answers(rtsp_session->s,"Server"));
+
+  if (strstr(server,"Real"))
+  {
+    /* we are talking to a real server ... */
+
+    h=real_setup_and_get_header(rtsp_session->s, bandwidth);
+    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("non-real rtsp servers not supported yet.\n");
+    rtsp_close(rtsp_session->s);
+    free(rtsp_session);
+    return NULL;
+  }
+  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;
+
+    this->recv_size=real_get_rdt_chunk (this->s, this->recv);
+    if (this->recv_size == 0) {
+#ifdef LOG
+      printf ("librtsp: %d of %d bytes provided\n", len-to_copy, len);
+#endif
+      return len-to_copy;
+    }
+    source = this->recv;
+    fill = this->recv_size - this->recv_read;
+  }
+
+  memcpy(dest, source, to_copy);
+  this->recv_read += to_copy;
+
+#ifdef LOG
+  printf ("librtsp: %d bytes provided\n", len);
+#endif
+
+  return len;
+}
+
+
+void rtsp_session_end(rtsp_session_t *session) {
+
+  rtsp_close(session->s);
+  free(session);
+}
diff --git a/src/input/librtsp/rtsp_session.h b/src/input/librtsp/rtsp_session.h
new file mode 100644
index 000000000..4ce89a0e5
--- /dev/null
+++ b/src/input/librtsp/rtsp_session.h
@@ -0,0 +1,33 @@
+/*
+ * 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
+ *
+ * $Id: rtsp_session.h,v 1.1 2002/12/12 22:14:56 holstsn Exp $
+ *
+ * high level interface to rtsp servers.
+ */
+
+typedef struct rtsp_session_s rtsp_session_t;
+
+rtsp_session_t *rtsp_session_start(char *mrl);
+
+int rtsp_session_read(rtsp_session_t *session, char *data, int len);
+
+void rtsp_session_end(rtsp_session_t *session);
+
+