stream/stream_live555.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include "config.h"
  20
  21 #include <unistd.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25
  26 #include "stream.h"
  27 #include "network.h"
  28 #include "libmpdemux/demuxer.h"
  29
  30 extern int network_bandwidth;
  31
  32 static int _rtsp_streaming_seek(int fd, off_t pos, streaming_ctrl_t* streaming_ctrl) {
  33   return -1; // For now, we don't handle RTSP stream seeking
  34 }
  35
  36 static int rtsp_streaming_start(stream_t* stream) {
  37   stream->streaming_ctrl->streaming_seek = _rtsp_streaming_seek;
  38   return 0;
  39 }
  40
  41
  42 static int open_live_rtsp_sip(stream_t *stream,int mode, void* opts, int* file_format) {
  43   URL_t *url;
  44
  45   stream->streaming_ctrl = streaming_ctrl_new();
  46   if( stream->streaming_ctrl==NULL ) {
  47     return STREAM_ERROR;
  48   }
  49   stream->streaming_ctrl->bandwidth = network_bandwidth;
  50   url = url_new(stream->url);
  51   stream->streaming_ctrl->url = check4proxies(url);
  52   //url_free(url);
  53
  54   mp_msg(MSGT_OPEN, MSGL_INFO, "STREAM_LIVE555, URL: %s\n", stream->url);
  55
  56   if(rtsp_streaming_start(stream) < 0) {
  57     mp_msg(MSGT_NETWORK,MSGL_ERR,"rtsp_streaming_start failed\n");
  58     goto fail;
  59   }
  60
  61   *file_format = DEMUXER_TYPE_RTP;
  62   stream->type = STREAMTYPE_STREAM;
  63   stream->flags = STREAM_NON_CACHEABLE;
  64   return STREAM_OK;
  65
  66 fail:
  67   streaming_ctrl_free( stream->streaming_ctrl );
  68   stream->streaming_ctrl = NULL;
  69   return STREAM_ERROR;
  70 }
  71
  72 static int open_live_sdp(stream_t *stream,int mode, void* opts, int* file_format) {
  73   int f;
  74   char *filename = stream->url;
  75   off_t len;
  76   char* sdpDescription;
  77   ssize_t numBytesRead;
  78
  79   if(strncmp("sdp://",filename,6) == 0) {
  80     filename += 6;
  81     f = open(filename,O_RDONLY|O_BINARY);
  82     if(f < 0) {
  83       mp_tmsg(MSGT_OPEN,MSGL_ERR,"File not found: '%s'\n",filename);
  84       return STREAM_ERROR;
  85     }
  86
  87     len=lseek(f,0,SEEK_END);
  88     lseek(f,0,SEEK_SET);
  89     if(len == -1)
  90       return STREAM_ERROR;
  91     if(len > SIZE_MAX - 1)
  92       return STREAM_ERROR;
  93
  94     sdpDescription = malloc(len+1);
  95     if(sdpDescription == NULL) return STREAM_ERROR;
  96     numBytesRead = read(f, sdpDescription, len);
  97     if(numBytesRead != len) {
  98       free(sdpDescription);
  99       return STREAM_ERROR;
 100     }
 101     sdpDescription[len] = '\0'; // to be safe
 102     stream->priv = sdpDescription;
 103
 104     stream->type = STREAMTYPE_SDP;
 105     *file_format = DEMUXER_TYPE_RTP;
 106     return STREAM_OK;
 107   }
 108   return STREAM_UNSUPPORTED;
 109 }
 110
 111
 112 const stream_info_t stream_info_rtsp_sip = {
 113   "standard RTSP and SIP",
 114   "RTSP and SIP",
 115   "Ross Finlayson",
 116   "Uses LIVE555 Streaming Media library.",
 117   open_live_rtsp_sip,
 118   {"rtsp", "sip", NULL },
 119   NULL,
 120   0 // Urls are an option string
 121 };
 122
 123 const stream_info_t stream_info_sdp = {
 124   "SDP stream descriptor",
 125   "SDP",
 126   "Ross Finlayson",
 127   "Uses LIVE555 Streaming Media library.",
 128   open_live_sdp,
 129   {"sdp", NULL },
 130   NULL,
 131   0 // Urls are an option string
 132 };