diff options
Diffstat (limited to 'udp.c')
-rw-r--r-- | udp.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/udp.c b/udp.c deleted file mode 100644 index 44fd7f36f8..0000000000 --- a/udp.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * UDP prototype streaming system - * Copyright (c) 2000 Gerard Lantau. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <netdb.h> - -#include "mpegenc.h" - -#define UDP_TX_BUF_SIZE 32768 -/* put it in UDP context */ -static struct sockaddr_in dest_addr; - -/* return non zero if error */ -int udp_tx_open(UDPContext *s, - const char *uri, - int local_port) -{ - struct sockaddr_in my_addr; - const char *p, *q; - char hostname[1024]; - int port, udp_socket, tmp; - struct hostent *hp; - - /* fill the dest addr */ - p = uri; - if (!strstart(p, "udp:", &p)) - return -1; - q = strchr(p, ':'); - if (!q) - return -1; - memcpy(hostname, p, q - p); - hostname[q - p] = '\0'; - port = strtol(q+1, NULL, 10); - if (port <= 0) - return -1; - - dest_addr.sin_family = AF_INET; - dest_addr.sin_port = htons(port); - if ((inet_aton(hostname, &dest_addr.sin_addr)) == 0) { - hp = gethostbyname(hostname); - if (!hp) - return -1; - memcpy ((char *) &dest_addr.sin_addr, hp->h_addr, hp->h_length); - } - - udp_socket = socket(PF_INET, SOCK_DGRAM, 0); - if (udp_socket < 0) - return -1; - - my_addr.sin_family = AF_INET; - my_addr.sin_port = htons(local_port); - my_addr.sin_addr.s_addr = htonl (INADDR_ANY); - - /* the bind is needed to give a port to the socket now */ - if (bind(udp_socket,(struct sockaddr *)&my_addr, sizeof(my_addr)) < 0) - goto fail; - - /* limit the tx buf size to limit latency */ - - tmp = UDP_TX_BUF_SIZE; - if (setsockopt(udp_socket, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) { - perror("setsockopt sndbuf"); - goto fail; - } - - s->udp_socket = udp_socket; - s->max_payload_size = 1024; - return 0; - fail: - return -1; -} - -void udp_tx_close(UDPContext *s) -{ - close(s->udp_socket); -} - -extern int data_out_size; - -void udp_write_data(void *opaque, UINT8 *buf, int size) -{ - UDPContext *s = opaque; - int ret, len; - - /* primitive way to avoid big packets */ - data_out_size += size; - while (size > 0) { - len = size; - if (len > s->max_payload_size) - len = s->max_payload_size; - - ret = sendto (s->udp_socket, buf, len, 0, - (struct sockaddr *) &dest_addr, - sizeof (dest_addr)); - if (ret < 0) - perror("sendto"); - buf += len; - size -= len; - } -} - |