aboutsummaryrefslogtreecommitdiffhomepage
path: root/stream/stream_rtp.c
blob: b48562fbded92e9c1aafcbb1e25d43d23dc13a32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/*
 * stream layer for MPEG over RTP, based on previous work from Dave Chapman
 *
 * Copyright (C) 2006 Benjamin Zores
 *
 * This file is part of MPlayer.
 *
 * MPlayer 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.
 *
 * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "config.h"

#include <stdlib.h>
#include <string.h>

#include "stream.h"
#include "url.h"
#include "udp.h"
#include "rtp.h"

static int
rtp_streaming_read (int fd, char *buffer,
                    int size, streaming_ctrl_t *streaming_ctrl)
{
  return read_rtp_from_server (fd, buffer, size);
}

static int
rtp_streaming_start (stream_t *stream)
{
  streaming_ctrl_t *streaming_ctrl;
  int fd;

  if (!stream)
    return -1;

  streaming_ctrl = stream->streaming_ctrl;
  fd = stream->fd;
	
  if (fd < 0)
  {
    fd = udp_open_socket (streaming_ctrl->url); 
    if (fd < 0)
      return -1;
    stream->fd = fd;
  }

  streaming_ctrl->streaming_read = rtp_streaming_read;
  streaming_ctrl->streaming_seek = nop_streaming_seek;
  streaming_ctrl->prebuffer_size = 64 * 1024; /* 64 KBytes */
  streaming_ctrl->buffering = 0;
  streaming_ctrl->status = streaming_playing_e;
  
  return 0;
}

static int
rtp_stream_open (stream_t *stream, int mode, void *opts, int *file_format)
{
  URL_t *url;
  extern int network_bandwidth;
  
  mp_msg (MSGT_OPEN, MSGL_INFO, "STREAM_RTP, URL: %s\n", stream->url);
  stream->streaming_ctrl = streaming_ctrl_new ();
  if (!stream->streaming_ctrl)
    return STREAM_ERROR;

  stream->streaming_ctrl->bandwidth = network_bandwidth;
  url = url_new (stream->url);
  stream->streaming_ctrl->url = check4proxies (url);

  if (url->port == 0)
  {
    mp_msg (MSGT_NETWORK, MSGL_ERR,
            "You must enter a port number for RTP streams!\n");
    streaming_ctrl_free (stream->streaming_ctrl);
    stream->streaming_ctrl = NULL;
  
    return STREAM_UNSUPPORTED;
  }

  if (rtp_streaming_start (stream) < 0)
  {
    mp_msg (MSGT_NETWORK, MSGL_ERR, "rtp_streaming_start failed\n");
    streaming_ctrl_free (stream->streaming_ctrl);
    stream->streaming_ctrl = NULL;
  
    return STREAM_UNSUPPORTED;
  }

  stream->type = STREAMTYPE_STREAM;
  fixup_network_stream_cache (stream);
  
  return STREAM_OK;
}

const stream_info_t stream_info_rtp = {
  "MPEG over RTP streaming",
  "rtp",
  "Dave Chapman, Benjamin Zores",
  "native rtp support",
  rtp_stream_open,
  { "rtp", NULL},
  NULL,
  0 // Urls are an option string
};