* modules/access/rtsp: real rtsp access module.

configure.ac

@@ -2402,6 +2402,15 @@ if test "${enable_real}" = "yes"; then
   VLC_ADD_PLUGINS([realaudio])
 fi
 
+dnl
+dnl  Real RTSP plugin
+dnl
+AC_ARG_ENABLE(realrtsp,
+  [  --enable-realrtsp       Real RTSP module (default disabled)])
+if test "${enable_realrtsp}" = "yes"; then
+  VLC_ADD_PLUGINS([access_realrtsp])
+fi
+
 dnl
 dnl MP4 module
 dnl
@@ -4653,6 +4662,7 @@ AC_CONFIG_FILES([
   modules/access/pvr/Makefile
   modules/access/v4l/Makefile
   modules/access/cdda/Makefile
+  modules/access/rtsp/Makefile
   modules/access/vcd/Makefile
   modules/access/vcdx/Makefile
   modules/access/screen/Makefile

modules/access/rtsp/Modules.am

+SOURCES_access_realrtsp = \
+        access.c \
+        rtsp.c \
+        rtsp.h \
+        real.c \
+        real.h \
+        real_rmff.c \
+        real_rmff.h \
+        real_sdpplin.c \
+        real_sdpplin.h \
+        real_asmrp.c \
+        real_asmrp.h \
+        $(NULL)

modules/access/rtsp/real.h

+/*****************************************************************************
+ * real.c: rtsp input
+ *****************************************************************************
+ * Copyright (C) 2002-2004 the xine project
+ * Copyright (C) 2005 VideoLAN
+ * $Id: file.c 10310 2005-03-11 22:36:40Z anil $
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ *          Adapted from xine which itself adapted it from joschkas real tools.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
+ *****************************************************************************/
+#ifndef HAVE_REAL_H
+#define HAVE_REAL_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include <vlc/vlc.h>
+#include "rtsp.h"
+#include "real_rmff.h"
+#include "real_sdpplin.h"
+
+#ifdef REALDEBUG
+#   define lprintf printf
+#else
+    static inline void lprintf( char *dummy, ... ){}
+#endif
+
+int real_get_rdt_chunk(rtsp_client_t *, unsigned char **buffer);
+rmff_header_t *real_setup_and_get_header(rtsp_client_t *, int bandwidth);
+
+int asmrp_match(const char *rules, int bandwidth, int *matches) ;
+
+#endif

modules/access/rtsp/real_rmff.h

+/*
+ * Copyright (C) 2002-2003 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 1.5 2004/04/06 19:20:16 valtri Exp $
+ *
+ * some functions for real media file headers
+ * adopted from joschkas real tools
+ */
+
+#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
+
+/*
+ * 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;
+
+  int       mlti_data_size;
+  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

modules/access/rtsp/real_sdpplin.c

+/*
+ * Copyright (C) 2002-2003 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: sdpplin.c,v 1.5 2004/04/23 21:59:04 miguelfreitas Exp $
+ *
+ * sdp/sdpplin parser.
+ *
+ */
+ 
+#include "real.h"
+
+/*
+ * Decodes base64 strings (based upon b64 package)
+ */
+
+static char *b64_decode(const char *in, char *out, int *size)
+{
+  char dtable[256];              /* Encode / decode table */
+  int i,j,k;
+
+  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];
+    }
+    //xine_buffer_ensure_size(out, k+3);
+    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;
+      *size=k;
+      return out;
+    }
+  }
+  out[k]=0;
+  *size=k;
+  return out;
+}
+
+static char *nl(char *data) {
+
+  char *nlptr = (data) ? strchr(data,'\n') : NULL;
+  return (nlptr) ? nlptr + 1 : NULL;
+}
+
+static int filter(const char *in, const char *filter, char **out) {
+
+  int flen=strlen(filter);
+  int len;
+  
+  if (!in)
+    return 0;
+  
+  len = (strchr(in,'\n')) ? strchr(in,'\n')-in : strlen(in);
+
+  if (!strncmp(in,filter,flen))
+  {
+    if(in[flen]=='"') flen++;
+    if(in[len-1]==13) len--;
+    if(in[len-1]=='"') len--;
+    memcpy(*out, in+flen, len-flen+1);
+    (*out)[len-flen]=0;
+
+    return len-flen;
+  }
+  
+  return 0;
+}
+static sdpplin_stream_t *sdpplin_parse_stream(char **data) {
+
+  sdpplin_stream_t *desc = malloc(sizeof(sdpplin_stream_t));
+  char      *buf=malloc(32000);
+  char      *decoded=malloc(32000);
+  int       handled;
+    
+  memset(desc, 0, sizeof(sdpplin_stream_t));
+
+  if (filter(*data, "m=", &buf)) {
+    desc->id = strdup(buf);
+  } else
+  {
+    lprintf("sdpplin: no m= found.\n");
+    free(desc);
+    free(buf);
+    return NULL;
+  }
+  *data=nl(*data);
+
+  while (*data && **data && *data[0]!='m') {
+
+    handled=0;
+    
+    if(filter(*data,"a=control:streamid=",&buf)) {
+      desc->stream_id=atoi(buf);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=MaxBitRate:integer;",&buf)) {
+      desc->max_bit_rate=atoi(buf);
+      if (!desc->avg_bit_rate)
+        desc->avg_bit_rate=desc->max_bit_rate;
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=MaxPacketSize:integer;",&buf)) {
+      desc->max_packet_size=atoi(buf);
+      if (!desc->avg_packet_size)
+        desc->avg_packet_size=desc->max_packet_size;
+      handled=1;
+      *data=nl(*data);
+    }
+    
+    if(filter(*data,"a=StartTime:integer;",&buf)) {
+      desc->start_time=atoi(buf);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=Preroll:integer;",&buf)) {
+      desc->preroll=atoi(buf);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=length:npt=",&buf)) {
+      desc->duration=(uint32_t)(atof(buf)*1000);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=StreamName:string;",&buf)) {
+      desc->stream_name=strdup(buf);
+      desc->stream_name_size=strlen(desc->stream_name);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=mimetype:string;",&buf)) {
+      desc->mime_type=strdup(buf);
+      desc->mime_type_size=strlen(desc->mime_type);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(filter(*data,"a=OpaqueData:buffer;",&buf)) {
+      decoded = b64_decode(buf, decoded, &(desc->mlti_data_size));
+      desc->mlti_data = malloc(sizeof(char)*desc->mlti_data_size);
+      memcpy(desc->mlti_data, decoded, desc->mlti_data_size);
+      handled=1;
+      *data=nl(*data);
+      lprintf("mlti_data_size: %i\n", desc->mlti_data_size);
+    }
+    
+    if(filter(*data,"a=ASMRuleBook:string;",&buf)) {
+      desc->asm_rule_book=strdup(buf);
+      handled=1;
+      *data=nl(*data);
+    }
+
+    if(!handled) {
+#ifdef LOG
+      int len=strchr(*data,'\n')-(*data);
+      memcpy(buf, *data, len+1);
+      buf[len]=0;
+      printf("libreal: sdpplin: not handled: '%s'\n", buf);
+#endif
+      *data=nl(*data);
+    }
+  }
+
+  free(buf);
+  free(decoded);
+  
+  return desc;
+}
+
+sdpplin_t *sdpplin_parse(char *data) {
+
+  sdpplin_t        *desc = malloc(sizeof(sdpplin_t));
+  sdpplin_stream_t *stream;
+  char             *buf=malloc(3200);
+  char             *decoded=malloc(3200);
+  int              handled;
+  int              len;
+
+  memset(desc, 0, sizeof(sdpplin_t));
+
+  while (data && *data) {
+
+    handled=0;
+    
+    if (filter(data, "m=", &buf)) {
+      stream=sdpplin_parse_stream(&data);
+      lprintf("got data for stream id %u\n", stream->stream_id);
+      desc->stream[stream->stream_id]=stream;
+      continue;
+    }
+
+    if(filter(data,"a=Title:buffer;",&buf)) {
+      decoded=b64_decode(buf, decoded, &len);
+      desc->title=strdup(decoded);
+      handled=1;
+      data=nl(data);
+    }
+    
+    if(filter(data,"a=Author:buffer;",&buf)) {
+      decoded=b64_decode(buf, decoded, &len);
+      desc->author=strdup(decoded);
+      handled=1;
+      data=nl(data);
+    }
+    
+    if(filter(data,"a=Copyright:buffer;",&buf)) {
+      decoded=b64_decode(buf, decoded, &len);
+      desc->copyright=strdup(decoded);
+      handled=1;
+      data=nl(data);
+    }
+    
+    if(filter(data,"a=Abstract:buffer;",&buf)) {
+      decoded=b64_decode(buf, decoded, &len);
+      desc->abstract=strdup(decoded);
+      handled=1;
+      data=nl(data);
+    }
+    
+    if(filter(data,"a=StreamCount:integer;",&buf)) {
+      desc->stream_count=atoi(buf);
+      desc->stream = malloc(sizeof(sdpplin_stream_t*)*desc->stream_count);
+      handled=1;
+      data=nl(data);
+    }
+
+    if(filter(data,"a=Flags:integer;",&buf)) {
+      desc->flags=atoi(buf);
+      handled=1;
+      data=nl(data);
+    }
+
+    if(!handled) {
+#ifdef LOG
+      int len=strchr(data,'\n')-data;
+      memcpy(buf, data, len+1);
+      buf[len]=0;
+      printf("libreal: sdpplin: not handled: '%s'\n", buf);
+#endif
+      data=nl(data);
+    }
+  }
+
+  free(buf);
+  free(decoded);
+  
+  return desc;
+}
+
+void sdpplin_free(sdpplin_t *description) {
+
+  /* TODO: free strings */
+  free(description);
+}
+

modules/access/rtsp/real_sdpplin.h

+/*
+ * Copyright (C) 2002-2003 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: sdpplin.h,v 1.2 2003/12/09 00:02:30 f1rmb Exp $
+ *
+ * sdp/sdpplin parser.
+ *
+ */
+ 
+#ifndef HAVE_SDPPLIN_H
+#define HAVE_SDPPLIN_H
+
+typedef struct {
+
+  char *id;
+  char *bandwidth;
+
+  int stream_id;
+  char *range;
+  char *length;
+  char *rtpmap;
+  char *mimetype;
+  int min_switch_overlap;
+  int start_time;
+  int end_one_rule_end_all;
+  int avg_bit_rate;
+  int max_bit_rate;
+  int avg_packet_size;
+  int max_packet_size;
+  int end_time;
+  int seek_greater_on_switch;
+  int preroll;
+
+  int duration;
+  char *stream_name;
+  int stream_name_size;
+  char *mime_type;
+  int mime_type_size;
+  char *mlti_data;
+  int mlti_data_size;
+  int  rmff_flags_length;
+  char *rmff_flags;
+  int  asm_rule_book_length;
+  char *asm_rule_book;
+
+} sdpplin_stream_t;
+
+typedef struct {
+
+  int sdp_version, sdpplin_version;
+  char *owner;
+  char *session_name;
+  char *session_info;
+  char *uri;
+  char *email;
+  char *phone;
+  char *connection;
+  char *bandwidth;
+
+  int flags;
+  int is_real_data_type;
+  int stream_count;
+  char *title;
+  char *author;
+  char *copyright;
+  char *keywords;
+  int  asm_rule_book_length;
+  char *asm_rule_book;
+  char *abstract;
+  char *range;
+  int avg_bit_rate;
+  int max_bit_rate;
+  int avg_packet_size;
+  int max_packet_size;
+  int preroll;
+  int duration;
+
+  sdpplin_stream_t **stream;
+  
+} sdpplin_t;
+
+sdpplin_t *sdpplin_parse(char *data);
+
+void sdpplin_free(sdpplin_t *description);
+
+#endif

modules/access/rtsp/rtsp.h

+/*
+ * Copyright (C) 2002-2003 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 1.4 2003/12/09 00:02:31 f1rmb Exp $
+ *
+ * a minimalistic implementation of rtsp protocol,
+ * *not* RFC 2326 compilant yet.
+ */
+ 
+#ifndef HAVE_RTSP_H
+#define HAVE_RTSP_H
+
+/* some codes returned by rtsp_request_* functions */
+
+#define RTSP_STATUS_SET_PARAMETER  10
+#define RTSP_STATUS_OK            200
+
+typedef struct rtsp_s rtsp_t;
+
+typedef struct
+{
+    void *p_userdata;
+
+    int (*pf_connect)( void *p_userdata, char *p_server, int i_port );
+    int (*pf_disconnect)( void *p_userdata );
+    int (*pf_read)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+    int (*pf_read_line)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+    int (*pf_write)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+
+    rtsp_t *p_private;
+
+} rtsp_client_t;
+
+int rtsp_connect( rtsp_client_t *, const char *mrl, const char *user_agent );
+
+int rtsp_request_options( rtsp_client_t *, const char *what );
+int rtsp_request_describe( rtsp_client_t *, const char *what );
+int rtsp_request_setup( rtsp_client_t *, const char *what );
+int rtsp_request_setparameter( rtsp_client_t *, const char *what );
+int rtsp_request_play( rtsp_client_t *, const char *what );
+int rtsp_request_tearoff( rtsp_client_t *, const char *what );
+
+int rtsp_send_ok( rtsp_client_t * );
+
+int rtsp_read_data( rtsp_client_t *, char *buffer, unsigned int size );
+
+char* rtsp_search_answers( rtsp_client_t *, const char *tag );
+void rtsp_free_answers( rtsp_client_t * );
+
+void rtsp_add_to_payload( char **payload, const char *string );
+
+int rtsp_read( rtsp_client_t *, char *data, int len );
+void rtsp_close( rtsp_client_t * );
+
+void  rtsp_set_session( rtsp_client_t *, const char *id );
+char *rtsp_get_session( rtsp_client_t * );
+
+char *rtsp_get_mrl( rtsp_client_t * );
+
+/* int rtsp_peek_header( rtsp_client_t *, char *data ); */
+
+void rtsp_schedule_field( rtsp_client_t *, const char *string );
+void rtsp_unschedule_field( rtsp_client_t *, const char *string );
+void rtsp_unschedule_all( rtsp_client_t * );
+
+#endif
+