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 #include "help_mp.h"
  30
  31 extern int network_bandwidth;
  32
  33 static int _rtsp_streaming_seek(int fd, off_t pos, streaming_ctrl_t* streaming_ctrl) {
  34   return -1; // For now, we don't handle RTSP stream seeking
  35 }
  36
  37 static int rtsp_streaming_start(stream_t* stream) {
  38   stream->streaming_ctrl->streaming_seek = _rtsp_streaming_seek;
  39   return 0;
  40 }
  41
  42
  43 static int open_live_rtsp_sip(stream_t *stream,int mode, void* opts, int* file_format) {
  44   URL_t *url;
  45
  46   stream->streaming_ctrl = streaming_ctrl_new();
  47   if( stream->streaming_ctrl==NULL ) {
  48     return STREAM_ERROR;
  49   }
  50   stream->streaming_ctrl->bandwidth = network_bandwidth;
  51   url = url_new(stream->url);
  52   stream->streaming_ctrl->url = check4proxies(url);
  53   //url_free(url);
  54
  55   mp_msg(MSGT_OPEN, MSGL_INFO, "STREAM_LIVE555, URL: %s\n", stream->url);
  56
  57   if(rtsp_streaming_start(stream) < 0) {
  58     mp_msg(MSGT_NETWORK,MSGL_ERR,"rtsp_streaming_start failed\n");
  59     goto fail;
  60   }
  61
  62   *file_format = DEMUXER_TYPE_RTP;
  63   stream->type = STREAMTYPE_STREAM;
  64   stream->flags = STREAM_NON_CACHEABLE;
  65   return STREAM_OK;
  66
  67 fail:
  68   streaming_ctrl_free( stream->streaming_ctrl );
  69   stream->streaming_ctrl = NULL;
  70   return STREAM_ERROR;
  71 }
  72
  73 static int open_live_sdp(stream_t *stream,int mode, void* opts, int* file_format) {
  74   int f;
  75   char *filename = stream->url;
  76   off_t len;
  77   char* sdpDescription;
  78   ssize_t numBytesRead;
  79
  80   if(strncmp("sdp://",filename,6) == 0) {
  81     filename += 6;
  82     f = open(filename,O_RDONLY|O_BINARY);
  83     if(f < 0) {
  84       mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_FileNotFound,filename);
  85       return STREAM_ERROR;
  86     }
  87
  88     len=lseek(f,0,SEEK_END);
  89     lseek(f,0,SEEK_SET);
  90     if(len == -1)
  91       return STREAM_ERROR;
  92     if(len > SIZE_MAX - 1)
  93       return STREAM_ERROR;
  94
  95     sdpDescription = malloc(len+1);
  96     if(sdpDescription == NULL) return STREAM_ERROR;
  97     numBytesRead = read(f, sdpDescription, len);
  98     if(numBytesRead != len) {
  99       free(sdpDescription);
 100       return STREAM_ERROR;
 101     }
 102     sdpDescription[len] = '\0'; // to be safe
 103     stream->priv = sdpDescription;
 104
 105     stream->type = STREAMTYPE_SDP;
 106     *file_format = DEMUXER_TYPE_RTP;
 107     return STREAM_OK;
 108   }
 109   return STREAM_UNSUPPORTED;
 110 }
 111
 112
 113 const stream_info_t stream_info_rtsp_sip = {
 114   "standard RTSP and SIP",
 115   "RTSP and SIP",
 116   "Ross Finlayson",
 117   "Uses LIVE555 Streaming Media library.",
 118   open_live_rtsp_sip,
 119   {"rtsp", "sip", NULL },
 120   NULL,
 121   0 // Urls are an option string
 122 };
 123
 124 const stream_info_t stream_info_sdp = {
 125   "SDP stream descriptor",
 126   "SDP",
 127   "Ross Finlayson",
 128   "Uses LIVE555 Streaming Media library.",
 129   open_live_sdp,
 130   {"sdp", NULL },
 131   NULL,
 132   0 // Urls are an option string
 133 };