stream/stream_live555.c

   1
   2 #include "config.h"
   3
   4 #include <unistd.h>
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8
   9 #include "stream.h"
  10 #include "network.h"
  11 #include "libmpdemux/demuxer.h"
  12 #include "help_mp.h"
  13
  14 extern int network_bandwidth;
  15
  16 static int _rtsp_streaming_seek(int fd, off_t pos, streaming_ctrl_t* streaming_ctrl) {
  17   return -1; // For now, we don't handle RTSP stream seeking
  18 }
  19
  20 static int rtsp_streaming_start(stream_t* stream) {
  21   stream->streaming_ctrl->streaming_seek = _rtsp_streaming_seek;
  22   return 0;
  23 }
  24
  25
  26 static int open_live_rtsp_sip(stream_t *stream,int mode, void* opts, int* file_format) {
  27   URL_t *url;
  28
  29   stream->streaming_ctrl = streaming_ctrl_new();
  30   if( stream->streaming_ctrl==NULL ) {
  31     return STREAM_ERROR;
  32   }
  33   stream->streaming_ctrl->bandwidth = network_bandwidth;
  34   url = url_new(stream->url);
  35   stream->streaming_ctrl->url = check4proxies(url);
  36   //url_free(url);
  37
  38   mp_msg(MSGT_OPEN, MSGL_INFO, "STREAM_LIVE555, URL: %s\n", stream->url);
  39
  40   if(rtsp_streaming_start(stream) < 0) {
  41     mp_msg(MSGT_NETWORK,MSGL_ERR,"rtsp_streaming_start failed\n");
  42     goto fail;
  43   }
  44
  45   *file_format = DEMUXER_TYPE_RTP;
  46   stream->type = STREAMTYPE_STREAM;
  47   return STREAM_OK;
  48
  49 fail:
  50   streaming_ctrl_free( stream->streaming_ctrl );
  51   stream->streaming_ctrl = NULL;
  52   return STREAM_ERROR;
  53 }
  54
  55 static int open_live_sdp(stream_t *stream,int mode, void* opts, int* file_format) {
  56   int f;
  57   char *filename = stream->url;
  58   off_t len;
  59   char* sdpDescription;
  60   ssize_t numBytesRead;
  61
  62   if(strncmp("sdp://",filename,6) == 0) {
  63     filename += 6;
  64 #if defined(__CYGWIN__) || defined(__MINGW32__)
  65     f = open(filename,O_RDONLY|O_BINARY);
  66 #else
  67     f = open(filename,O_RDONLY);
  68 #endif
  69     if(f < 0) {
  70       mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_FileNotFound,filename);
  71       return STREAM_ERROR;
  72     }
  73
  74     len=lseek(f,0,SEEK_END);
  75     lseek(f,0,SEEK_SET);
  76     if(len == -1)
  77       return STREAM_ERROR;
  78     if(len > SIZE_MAX - 1)
  79       return STREAM_ERROR;
  80
  81     sdpDescription = malloc(len+1);
  82     if(sdpDescription == NULL) return STREAM_ERROR;
  83     numBytesRead = read(f, sdpDescription, len);
  84     if(numBytesRead != len) {
  85       free(sdpDescription);
  86       return STREAM_ERROR;
  87     }
  88     sdpDescription[len] = '\0'; // to be safe
  89     stream->priv = sdpDescription;
  90
  91     stream->type = STREAMTYPE_SDP;
  92     *file_format = DEMUXER_TYPE_RTP;
  93     return STREAM_OK;
  94   }
  95   return STREAM_UNSUPPORTED;
  96 }
  97
  98
  99 const stream_info_t stream_info_rtsp_sip = {
 100   "standard RTSP and SIP",
 101   "RTSP and SIP",
 102   "Ross Finlayson",
 103   "Uses LIVE555 Streaming Media library.",
 104   open_live_rtsp_sip,
 105   {"rtsp", "sip", NULL },
 106   NULL,
 107   0 // Urls are an option string
 108 };
 109
 110 const stream_info_t stream_info_sdp = {
 111   "SDP stream descriptor",
 112   "SDP",
 113   "Ross Finlayson",
 114   "Uses LIVE555 Streaming Media library.",
 115   open_live_sdp,
 116   {"sdp", NULL },
 117   NULL,
 118   0 // Urls are an option string
 119 };