stream: remove native RTSP/RTP/PNM support

There are still various other RTSP implementations available, such as
libnemesi, live555, and libav. The mplayer native version was a huge
chunk of old unmaintained code.

1 files changed, 0 insertions, 653 deletions

diff --git a/stream/realrtsp/real.c b/stream/realrtsp/real.c
deleted file mode 100644
index daee0cd34a..0000000000
--- a/stream/realrtsp/real.c
+++ /dev/null
@@ -1,653 +0,0 @@
-/*
- * This file was ported to MPlayer from xine CVS real.c,v 1.8 2003/03/30 17:11:50
- */
-
-/*
- * 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
- *
- *
- * special functions for real streams.
- * adopted from joschkas real tools.
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include <libavutil/common.h>
-#include <libavutil/attributes.h>
-#include <libavutil/md5.h>
-#include <libavutil/intreadwrite.h>
-#include <libavutil/base64.h>
-#include <libavutil/avutil.h>
-
-#include "config.h"
-#include "real.h"
-#include "asmrp.h"
-#include "sdpplin.h"
-#include "xbuffer.h"
-
-#include "stream/http.h"
-#include "mp_msg.h"
-
-/*
-#define LOG
-*/
-
-#define XOR_TABLE_SIZE 37
-
-static const unsigned char xor_table[XOR_TABLE_SIZE] = {
-    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 };
-
-
-#define BUF_SIZE 4096
-
-#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 real_calc_response_and_checksum (char *response, char *chksum, char *challenge) {
-
-  int   ch_len;
-  int   i;
-  unsigned char zres[16], buf[64];
-
-  /* initialize buffer */
-  AV_WB32(buf, 0xa1e9149d);
-  AV_WB32(buf+4, 0x0e6b3b59);
-
-  /* some (length) checks */
-  if (challenge != NULL)
-  {
-    ch_len = strlen (challenge);
-
-    if (ch_len == 40) /* what a hack... */
-      ch_len=32;
-    if ( ch_len > 56 ) ch_len=56;
-
-    /* copy challenge to buf */
-    memcpy(buf+8, challenge, ch_len);
-    memset(buf+8+ch_len, 0, 56-ch_len);
-  }
-
-    /* xor challenge bytewise with xor_table */
-    for (i=0; i<XOR_TABLE_SIZE; i++)
-      buf[8+i] ^= xor_table[i];
-
-  av_md5_sum(zres, buf, 64);
-
-  /* convert zres to ascii string */
-  for (i=0; i<16; i++ )
-    sprintf(response+i*2, "%02x", zres[i]);
-
-  /* add tail */
-  strcpy (&response[32], "01d0a8e3");
-
-  /* calculate checksum */
-  for (i=0; i<8; i++)
-    chksum[i] = response[i*4];
-  chksum[8] = 0;
-}
-
-
-/*
- * 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 mlti_size, 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'))
-  {
-#ifdef LOG
-    printf("libreal: MLTI tag not detected, copying data\n");
-#endif
-    *out = xbuffer_copyin(*out, 0, mlti_chunk, mlti_size);
-    return mlti_size;
-  }
-
-  mlti_chunk+=4;
-
-  /* next 16 bits are the number of rules */
-  numrules=AV_RB16(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=AV_RB16(mlti_chunk);
-
-  /* skip to number of codecs */
-  mlti_chunk+=(numrules-selection)*2;
-
-  /* get number of codecs */
-  numrules=AV_RB16(mlti_chunk);
-
-  if (codec >= numrules) {
-    mp_msg(MSGT_STREAM, MSGL_WARN, "realrtsp: 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=AV_RB32(mlti_chunk);
-    mlti_chunk+=size+4;
-  }
-
-  size=AV_RB32(mlti_chunk);
-
-#ifdef LOG
-  hexdump(mlti_chunk+4, size);
-#endif
-  *out = xbuffer_copyin(*out, 0, mlti_chunk+4, size);
-  return size;
-}
-
-/*
- * looking at stream description.
- */
-
-static rmff_header_t *real_parse_sdp(char *data, char **stream_rules, uint32_t bandwidth) {
-
-  sdpplin_t *desc;
-  rmff_header_t *header;
-  char *buf;
-  int len, i;
-  int max_bit_rate=0;
-  int avg_bit_rate=0;
-  int max_packet_size=0;
-  int avg_packet_size=0;
-  int duration=0;
-
-
-  if (!data) return NULL;
-
-  desc=sdpplin_parse(data);
-
-  if (!desc) return NULL;
-
-  buf = xbuffer_init(2048);
-  header=calloc(1,sizeof(rmff_header_t));
-
-  header->fileheader=rmff_new_fileheader(4+desc->stream_count);
-  header->cont=rmff_new_cont(
-      desc->title,
-      desc->author,
-      desc->copyright,
-      desc->abstract);
-  header->data=rmff_new_dataheader(0,0);
-  header->streams=calloc(1,sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
-#ifdef LOG
-    printf("number of streams: %u\n", desc->stream_count);
-#endif
-
-  for (i=0; i<desc->stream_count; i++) {
-
-    int j=0;
-    int n;
-    char b[64];
-    int rulematches[MAX_RULEMATCHES];
-
-    if (!desc->stream[i])
-      continue;
-#ifdef LOG
-    printf("calling asmrp_match with:\n%s\n%u\n", desc->stream[i]->asm_rule_book, bandwidth);
-#endif
-    n=asmrp_match(desc->stream[i]->asm_rule_book, bandwidth, rulematches);
-    for (j=0; j<n; j++) {
-#ifdef LOG
-      printf("asmrp rule match: %u for stream %u\n", rulematches[j], desc->stream[i]->stream_id);
-#endif
-      sprintf(b,"stream=%u;rule=%u,", desc->stream[i]->stream_id, rulematches[j]);
-      *stream_rules = xbuffer_strcat(*stream_rules, b);
-    }
-
-    if (!desc->stream[i]->mlti_data) {
-	len = 0;
-	buf = xbuffer_free(buf);
-    } else
-    len=select_mlti_data(desc->stream[i]->mlti_data, desc->stream[i]->mlti_data_size, rulematches[0], &buf);
-
-    header->streams[i]=rmff_new_mdpr(
-	desc->stream[i]->stream_id,
-        desc->stream[i]->max_bit_rate,
-        desc->stream[i]->avg_bit_rate,
-        desc->stream[i]->max_packet_size,
-        desc->stream[i]->avg_packet_size,
-        desc->stream[i]->start_time,
-        desc->stream[i]->preroll,
-        desc->stream[i]->duration,
-        desc->stream[i]->stream_name,
-        desc->stream[i]->mime_type,
-	len,
-	buf);
-
-    duration=FFMAX(duration,desc->stream[i]->duration);
-    max_bit_rate+=desc->stream[i]->max_bit_rate;
-    avg_bit_rate+=desc->stream[i]->avg_bit_rate;
-    max_packet_size=FFMAX(max_packet_size, desc->stream[i]->max_packet_size);
-    if (avg_packet_size)
-      avg_packet_size=(avg_packet_size + desc->stream[i]->avg_packet_size) / 2;
-    else
-      avg_packet_size=desc->stream[i]->avg_packet_size;
-  }
-
-  if (*stream_rules && strlen(*stream_rules) && (*stream_rules)[strlen(*stream_rules)-1] == ',')
-    (*stream_rules)[strlen(*stream_rules)-1]=0; /* delete last ',' in stream_rules */
-
-  header->prop=rmff_new_prop(
-      max_bit_rate,
-      avg_bit_rate,
-      max_packet_size,
-      avg_packet_size,
-      0,
-      duration,
-      0,
-      0,
-      0,
-      desc->stream_count,
-      desc->flags);
-
-  rmff_fix_header(header);
-  buf = xbuffer_free(buf);
-  sdpplin_free(desc);
-
-  return header;
-}
-
-int real_get_rdt_chunk(rtsp_t *rtsp_session, char **buffer, int rdt_rawdata) {
-
-  int n=1;
-  uint8_t header[8];
-  rmff_pheader_t ph;
-  int size;
-  int flags1, flags2;
-  int unknown1 av_unused;
-  uint32_t ts;
-  static uint32_t prev_ts = -1;
-  static int prev_stream_number = -1;
-
-  n=rtsp_read_data(rtsp_session, header, 8);
-  if (n<8) return 0;
-  if (header[0] != 0x24)
-  {
-    mp_msg(MSGT_STREAM, MSGL_WARN, "realrtsp: rdt chunk not recognized: got 0x%02x\n",
-      header[0]);
-    return 0;
-  }
-  /* header[1] is channel, normally 0, ignored */
-  size=(header[2]<<8)+header[3];
-  flags1=header[4];
-  if ((flags1 & 0xc0) != 0x40)
-  {
-#ifdef LOG
-    printf("got flags1: 0x%02x\n",flags1);
-#endif
-    if(header[6] == 0x06) { // eof packet
-      rtsp_read_data(rtsp_session, header, 7); // Skip the rest of the eof packet
-      /* Some files have short auxiliary streams, we must ignore eof packets
-       * for these streams to avoid premature eof.
-       * Now the code declares eof only if the stream with id == 0 gets eof
-       * (old code was: eof on the first eof packet received).
-       */
-      if(flags1 & 0x7c) // ignore eof for streams with id != 0
-        return 0;
-      mp_msg(MSGT_STREAM, MSGL_INFO, "realrtsp: Stream EOF detected\n");
-      return -1;
-    }
-    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;
-  }
-  flags2=header[7];
-  // header[5..6] == frame number in stream
-  unknown1=(header[5]<<16)+(header[6]<<8)+(header[7]);
-  n=rtsp_read_data(rtsp_session, header, 6);
-  if (n<6) return 0;
-  ts=AV_RB32(header);
-
-#ifdef LOG
-  printf("ts: %u, size: %u, flags: 0x%02x, unknown values: 0x%06x 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)&0x1f;
-  ph.timestamp=ts;
-  ph.reserved=0;
-  if ((flags2&1) == 0 && (prev_ts != ts || prev_stream_number != ph.stream_number))
-  {
-    prev_ts = ts;
-    prev_stream_number = ph.stream_number;
-    ph.flags=2;
-  }
-  else
-    ph.flags=0;
-  *buffer = xbuffer_ensure_size(*buffer, 12+size);
-  if(rdt_rawdata) {
-      if (size < 12)
-          return 0;
-    n=rtsp_read_data(rtsp_session, *buffer, size-12);
-    return (n <= 0) ? 0 : n;
-  }
-  rmff_dump_pheader(&ph, *buffer);
-  if (size < 12)
-      return 0;
-  size-=12;
-  n=rtsp_read_data(rtsp_session, (*buffer)+12, size);
-
-  return (n <= 0) ? 0 : n+12;
-}
-
-static int convert_timestamp(char *str, int *sec, int *msec) {
-  int hh, mm, ss, ms = 0;
-
-  // Timestamp may be optionally quoted with ", skip it
-  // Since the url is escaped when we get here, we skip the string "%22"
-  if (!strncmp(str, "%22", 3))
-    str += 3;
-  if (sscanf(str, "%d:%d:%d.%d", &hh, &mm, &ss, &ms) < 3) {
-    hh = 0;
-    if (sscanf(str, "%d:%d.%d", &mm, &ss, &ms) < 2) {
-      mm = 0;
-      if (sscanf(str, "%d.%d", &ss, &ms) < 1) {
-	ss = 0;
-	ms = 0;
-      }
-    }
-  }
-  if (sec)
-    *sec = hh * 3600 + mm * 60 + ss;
-  if (msec)
-    *msec = ms;
-  return 1;
-}
-
-//! maximum size of the rtsp description, must be < INT_MAX
-#define MAX_DESC_BUF (20 * 1024 * 1024)
-rmff_header_t *real_setup_and_get_header(rtsp_t *rtsp_session, uint32_t bandwidth,
-  char *username, char *password) {
-
-  char *description=NULL;
-  char *session_id=NULL;
-  rmff_header_t *h = NULL;
-  char *challenge1 = NULL;
-  char challenge2[41];
-  char checksum[9];
-  char *subscribe = NULL;
-  char *buf = xbuffer_init(256);
-  char *mrl=rtsp_get_mrl(rtsp_session);
-  unsigned int size;
-  int status;
-  uint32_t maxbandwidth = bandwidth;
-  char* authfield = NULL;
-  int i;
-
-  /* get challenge */
-  challenge1=rtsp_search_answers(rtsp_session,"RealChallenge1");
-  if (!challenge1)
-      goto out;
-  challenge1=strdup(challenge1);
-#ifdef LOG
-  printf("real: Challenge1: %s\n", challenge1);
-#endif
-
-  /* set a reasonable default to get the best stream, unless bandwidth given */
-  if (!bandwidth)
-      bandwidth = 10485800;
-
-  /* request stream description */
-rtsp_send_describe:
-  rtsp_schedule_field(rtsp_session, "Accept: application/sdp");
-  sprintf(buf, "Bandwidth: %u", bandwidth);
-  rtsp_schedule_field(rtsp_session, buf);
-  rtsp_schedule_field(rtsp_session, "GUID: 00000000-0000-0000-0000-000000000000");
-  rtsp_schedule_field(rtsp_session, "RegionData: 0");
-  rtsp_schedule_field(rtsp_session, "ClientID: Linux_2.4_6.0.9.1235_play32_RN01_EN_586");
-  rtsp_schedule_field(rtsp_session, "SupportsMaximumASMBandwidth: 1");
-  rtsp_schedule_field(rtsp_session, "Language: en-US");
-  rtsp_schedule_field(rtsp_session, "Require: com.real.retain-entity-for-setup");
-  if(authfield)
-    rtsp_schedule_field(rtsp_session, authfield);
-  status=rtsp_request_describe(rtsp_session,NULL);
-
-  if (status == 401) {
-    int authlen, b64_authlen;
-    char *authreq;
-    char* authstr = NULL;
-
-    if (authfield) {
-      mp_msg(MSGT_STREAM, MSGL_ERR, "realrtsp: authorization failed, check your credentials\n");
-      goto autherr;
-    }
-    if (!(authreq = rtsp_search_answers(rtsp_session,"WWW-Authenticate"))) {
-      mp_msg(MSGT_STREAM, MSGL_ERR, "realrtsp: 401 but no auth request, aborting\n");
-      goto autherr;
-    }
-    if (!username) {
-      mp_msg(MSGT_STREAM, MSGL_ERR, "realrtsp: auth required but no username supplied\n");
-      goto autherr;
-    }
-    if (!strstr(authreq, "Basic")) {
-      mp_msg(MSGT_STREAM, MSGL_ERR, "realrtsp: authenticator not supported (%s)\n", authreq);
-      goto autherr;
-    }
-    authlen = strlen(username) + 1 + (password ? strlen(password) : 0);
-    authstr = malloc(authlen + 1);
-    sprintf(authstr, "%s:%s", username, password ? password : "");
-    b64_authlen = AV_BASE64_SIZE(authlen);
-    authfield = malloc(21 + b64_authlen);
-    strcpy(authfield, "Authorization: Basic ");
-    av_base64_encode(authfield + 21, b64_authlen, authstr, authlen);
-    free(authstr);
-    goto rtsp_send_describe;
-  }
-autherr:
-
-  free(authfield);
-
-  if ( status<200 || status>299 )
-  {
-    char *alert=rtsp_search_answers(rtsp_session,"Alert");
-    if (alert) {
-      mp_msg(MSGT_STREAM, MSGL_WARN, "realrtsp: got message from server:\n%s\n",
-        alert);
-    }
-    rtsp_send_ok(rtsp_session);
-    goto out;
-  }
-
-  /* receive description */
-  size=0;
-  if (!rtsp_search_answers(rtsp_session,"Content-length"))
-    mp_msg(MSGT_STREAM, MSGL_WARN, "real: got no Content-length!\n");
-  else
-    size=atoi(rtsp_search_answers(rtsp_session,"Content-length"));
-
-  // as size is unsigned this also catches the case (size < 0)
-  if (size > MAX_DESC_BUF) {
-    mp_msg(MSGT_STREAM, MSGL_ERR, "realrtsp: Content-length for description too big (> %uMB)!\n",
-            MAX_DESC_BUF/(1024*1024) );
-    goto out;
-  }
-
-  if (!rtsp_search_answers(rtsp_session,"ETag"))
-    mp_msg(MSGT_STREAM, MSGL_WARN, "realrtsp: got no ETag!\n");
-  else
-    session_id=strdup(rtsp_search_answers(rtsp_session,"ETag"));
-
-#ifdef LOG
-  printf("real: Stream description size: %u\n", size);
-#endif
-
-  description=malloc(size+1);
-
-  if( rtsp_read_data(rtsp_session, description, size) <= 0) {
-    goto out;
-  }
-  description[size]=0;
-
-  /* parse sdp (sdpplin) and create a header and a subscribe string */
-  subscribe = xbuffer_init(256);
-  strcpy(subscribe, "Subscribe: ");
-  h=real_parse_sdp(description, &subscribe, bandwidth);
-  if (!h) {
-    goto out;
-  }
-  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 streams */
-  real_calc_response_and_checksum (challenge2, checksum, challenge1);
-  buf = xbuffer_ensure_size(buf, strlen(challenge2) + strlen(checksum) + 32);
-  sprintf(buf, "RealChallenge2: %s, sd=%s", challenge2, checksum);
-  rtsp_schedule_field(rtsp_session, buf);
-  buf = xbuffer_ensure_size(buf, strlen(session_id) + 32);
-  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");
-  buf = xbuffer_ensure_size(buf, strlen(mrl) + 32);
-  sprintf(buf, "%s/streamid=0", mrl);
-  rtsp_request_setup(rtsp_session,buf,NULL);
-
-  /* Do setup for all the other streams we subscribed to */
-  for (i = 1; i < h->prop->num_streams; i++) {
-    rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
-    buf = xbuffer_ensure_size(buf, strlen(session_id) + 32);
-    sprintf(buf, "If-Match: %s", session_id);
-    rtsp_schedule_field(rtsp_session, buf);
-
-    buf = xbuffer_ensure_size(buf, strlen(mrl) + 32);
-    sprintf(buf, "%s/streamid=%d", mrl, i);
-    rtsp_request_setup(rtsp_session,buf,NULL);
-  }
-  /* set stream parameter (bandwidth) with our subscribe string */
-  rtsp_schedule_field(rtsp_session, subscribe);
-  rtsp_request_setparameter(rtsp_session,NULL);
-
-  /* set delivery bandwidth */
-  if (maxbandwidth) {
-      sprintf(buf, "SetDeliveryBandwidth: Bandwidth=%u;BackOff=0", maxbandwidth);
-      rtsp_schedule_field(rtsp_session, buf);
-      rtsp_request_setparameter(rtsp_session,NULL);
-  }
-
-  {
-    int s_ss = 0, s_ms = 0, e_ss = 0, e_ms = 0;
-    char *str;
-    if ((str = rtsp_get_param(rtsp_session, "start"))) {
-      convert_timestamp(str, &s_ss, &s_ms);
-      free(str);
-    }
-    if ((str = rtsp_get_param(rtsp_session, "end"))) {
-      convert_timestamp(str, &e_ss, &e_ms);
-      free(str);
-    }
-    if (s_ms) str = buf + sprintf(buf, "%s%d.%d-", "Range: npt=", s_ss, s_ms);
-    else      str = buf + sprintf(buf, "%s%d-"   , "Range: npt=", s_ss      );
-    if      (e_ms) sprintf(str, "%d.%d", e_ss, e_ms);
-    else if (e_ss) sprintf(str, "%d",    e_ss      );
-  }
-  rtsp_schedule_field(rtsp_session, buf);
-  /* and finally send a play request */
-  rtsp_request_play(rtsp_session,NULL);
-
-out:
-  subscribe = xbuffer_free(subscribe);
-  buf = xbuffer_free(buf);
-  free(description);
-  free(session_id);
-  free(challenge1);
-  return h;
-}
-
-struct real_rtsp_session_t *
-init_real_rtsp_session (void)
-{
-  struct real_rtsp_session_t *real_rtsp_session = NULL;
-
-  real_rtsp_session = malloc (sizeof (struct real_rtsp_session_t));
-  real_rtsp_session->recv = xbuffer_init (BUF_SIZE);
-  real_rtsp_session->rdteof = 0;
-  real_rtsp_session->rdt_rawdata = 0;
-
-  return real_rtsp_session;
-}
-
-void
-free_real_rtsp_session (struct real_rtsp_session_t* real_session)
-{
-  if (!real_session)
-    return;
-
-  xbuffer_free (real_session->recv);
-  free (real_session);
-}