#include "libavutil/parseutils.h"
#include "libavutil/fifo.h"
#include "libavutil/intreadwrite.h"
+#include "libavutil/avstring.h"
#include <unistd.h>
#include "internal.h"
#include "network.h"
return addr_len;
}
-static int udp_socket_create(UDPContext *s,
- struct sockaddr_storage *addr, int *addr_len)
+static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr,
+ int *addr_len, const char *localaddr)
{
int udp_fd = -1;
struct addrinfo *res0 = NULL, *res = NULL;
if (((struct sockaddr *) &s->dest_addr)->sa_family)
family = ((struct sockaddr *) &s->dest_addr)->sa_family;
- res0 = udp_resolve_host(0, s->local_port, SOCK_DGRAM, family, AI_PASSIVE);
+ res0 = udp_resolve_host(localaddr[0] ? localaddr : NULL, s->local_port,
+ SOCK_DGRAM, family, AI_PASSIVE);
if (res0 == 0)
goto fail;
for (res = res0; res; res=res->ai_next) {
int ret;
int len;
- if (url_interrupt_cb()) {
+ if (ff_check_interrupt(&h->interrupt_callback)) {
s->circular_buffer_error = EINTR;
return NULL;
}
/* return non zero if error */
static int udp_open(URLContext *h, const char *uri, int flags)
{
- char hostname[1024];
+ char hostname[1024], localaddr[1024] = "";
int port, udp_fd = -1, tmp, bind_ret = -1;
- UDPContext *s = NULL;
+ UDPContext *s = h->priv_data;
int is_output;
const char *p;
char buf[256];
is_output = !(flags & AVIO_FLAG_READ);
- s = av_mallocz(sizeof(UDPContext));
- if (!s)
- return AVERROR(ENOMEM);
-
- h->priv_data = s;
s->ttl = 16;
s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_MAX_PKT_SIZE;
if (av_find_info_tag(buf, sizeof(buf), "fifo_size", p)) {
s->circular_buffer_size = strtol(buf, NULL, 10)*188;
}
+ if (av_find_info_tag(buf, sizeof(buf), "localaddr", p)) {
+ av_strlcpy(localaddr, buf, sizeof(localaddr));
+ }
}
/* fill the dest addr */
if ((s->is_multicast || !s->local_port) && (h->flags & AVIO_FLAG_READ))
s->local_port = port;
- udp_fd = udp_socket_create(s, &my_addr, &len);
+ udp_fd = udp_socket_create(s, &my_addr, &len, localaddr);
if (udp_fd < 0)
goto fail;
/* Follow the requested reuse option, unless it's multicast in which
- * case enable reuse unless explicitely disabled.
+ * case enable reuse unless explicitly disabled.
*/
if (s->reuse_socket || (s->is_multicast && !reuse_specified)) {
s->reuse_socket = 1;
if (udp_fd >= 0)
closesocket(udp_fd);
av_fifo_free(s->fifo);
- av_free(s);
return AVERROR(EIO);
}
}
av_fifo_generic_read(s->fifo, buf, avail, NULL);
+ av_fifo_drain(s->fifo, AV_RL32(tmp) - avail);
return avail;
}
else {
udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
closesocket(s->udp_fd);
av_fifo_free(s->fifo);
- av_free(s);
return 0;
}
.url_write = udp_write,
.url_close = udp_close,
.url_get_file_handle = udp_get_file_handle,
+ .priv_data_size = sizeof(UDPContext),
};