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/*
* Copyright (C) 2006 Benjamin Zores
* Stream layer for MPEG over UDP, based on previous work from Dave Chapman
*
* This program 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.
*
* This program 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., 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"
static int
udp_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 = nop_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
udp_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_UDP, 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 UDP streams!\n");
streaming_ctrl_free (stream->streaming_ctrl);
stream->streaming_ctrl = NULL;
return STREAM_UNSUPPORTED;
}
if (udp_streaming_start (stream) < 0)
{
mp_msg (MSGT_NETWORK, MSGL_ERR, "udp_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_udp = {
"MPEG over UDP streaming",
"udp",
"Dave Chapman, Benjamin Zores",
"native udp support",
udp_stream_open,
{ "udp", NULL},
NULL,
0 // Urls are an option string
};
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