summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rwxr-xr-xconfigure4
-rw-r--r--doc/protocols.texi20
-rw-r--r--libavformat/Makefile1
-rw-r--r--libavformat/allformats.c1
-rw-r--r--libavformat/unix.c156
5 files changed, 182 insertions, 0 deletions
diff --git a/configure b/configure
index 459d3cf85e..fe33e78717 100755
--- a/configure
+++ b/configure
@@ -1354,6 +1354,7 @@ HAVE_LIST="
sys_select_h
sys_soundcard_h
sys_time_h
+ sys_un_h
sys_videoio_h
threads
unistd_h
@@ -1874,6 +1875,8 @@ tcp_protocol_select="network"
tls_protocol_deps_any="openssl gnutls"
tls_protocol_select="tcp_protocol"
udp_protocol_select="network"
+unix_protocol_deps="sys_un_h"
+unix_protocol_select="network"
# filters
blackframe_filter_deps="gpl"
@@ -3657,6 +3660,7 @@ check_header sys/param.h
check_header sys/resource.h
check_header sys/select.h
check_header sys/time.h
+check_header sys/un.h
check_header unistd.h
check_header vdpau/vdpau.h
check_header vdpau/vdpau_x11.h
diff --git a/doc/protocols.texi b/doc/protocols.texi
index c777d83dce..0d596ca25b 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -626,4 +626,24 @@ To receive over UDP from a remote endpoint:
avconv -i udp://[@var{multicast-address}]:@var{port}
@end example
+@section unix
+
+Unix local socket
+
+The required syntax for a Unix socket URL is:
+
+@example
+unix://@var{filepath}
+@end example
+
+The following parameters can be set via command line options
+(or in code via @code{AVOption}s):
+
+@table @option
+@item timeout
+Timeout in ms.
+@item listen
+Create the Unix socket in listening mode.
+@end table
+
@c man end PROTOCOLS
diff --git a/libavformat/Makefile b/libavformat/Makefile
index b2fb54f380..9624aeca46 100644
--- a/libavformat/Makefile
+++ b/libavformat/Makefile
@@ -376,6 +376,7 @@ OBJS-$(CONFIG_SRTP_PROTOCOL) += srtpproto.o srtp.o
OBJS-$(CONFIG_TCP_PROTOCOL) += tcp.o
OBJS-$(CONFIG_TLS_PROTOCOL) += tls.o
OBJS-$(CONFIG_UDP_PROTOCOL) += udp.o
+OBJS-$(CONFIG_UNIX_PROTOCOL) += unix.o
SKIPHEADERS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh.h
SKIPHEADERS-$(CONFIG_NETWORK) += network.h rtsp.h
diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 142d647a2c..585cf43f5b 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -281,6 +281,7 @@ void av_register_all(void)
REGISTER_PROTOCOL(TCP, tcp);
REGISTER_PROTOCOL(TLS, tls);
REGISTER_PROTOCOL(UDP, udp);
+ REGISTER_PROTOCOL(UNIX, unix);
/* external libraries */
REGISTER_PROTOCOL(LIBRTMP, librtmp);
diff --git a/libavformat/unix.c b/libavformat/unix.c
new file mode 100644
index 0000000000..167efabf41
--- /dev/null
+++ b/libavformat/unix.c
@@ -0,0 +1,156 @@
+/*
+ * Unix socket protocol
+ * Copyright (c) 2013 Luca Barbato
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ *
+ * Unix socket url_protocol
+ *
+ */
+
+#include <sys/un.h>
+
+#include "libavutil/avstring.h"
+#include "libavutil/opt.h"
+#include "os_support.h"
+#include "network.h"
+#include "url.h"
+
+typedef struct UnixContext {
+ const AVClass *class;
+ struct sockaddr_un addr;
+ int timeout;
+ int listen;
+ int type;
+ int fd;
+} UnixContext;
+
+#define OFFSET(x) offsetof(UnixContext, x)
+#define ED AV_OPT_FLAG_DECODING_PARAM|AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption unix_options[] = {
+ { "listen", "Open socket for listening", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ED },
+ { "timeout", "Timeout in ms", OFFSET(timeout), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, ED },
+ { "type", "Socket type", OFFSET(type), AV_OPT_TYPE_INT, { .i64 = SOCK_STREAM }, INT_MIN, INT_MAX, ED, "type" },
+ { "stream", "Stream (reliable stream-oriented)", 0, AV_OPT_TYPE_CONST, { .i64 = SOCK_STREAM }, INT_MIN, INT_MAX, ED, "type" },
+ { "datagram", "Datagram (unreliable packet-oriented)", 0, AV_OPT_TYPE_CONST, { .i64 = SOCK_DGRAM }, INT_MIN, INT_MAX, ED, "type" },
+ { "seqpacket", "Seqpacket (reliable packet-oriented", 0, AV_OPT_TYPE_CONST, { .i64 = SOCK_SEQPACKET }, INT_MIN, INT_MAX, ED, "type" },
+ { NULL }
+};
+
+static const AVClass unix_class = {
+ .class_name = "unix",
+ .item_name = av_default_item_name,
+ .option = unix_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static int unix_open(URLContext *h, const char *filename, int flags)
+{
+ UnixContext *s = h->priv_data;
+ int fd, ret;
+
+ av_strstart(filename, "unix:", &filename);
+ s->addr.sun_family = AF_UNIX;
+ av_strlcpy(s->addr.sun_path, filename, sizeof(s->addr.sun_path));
+
+ if ((fd = socket(AF_UNIX, s->type, 0)) < 0)
+ return ff_neterrno();
+
+ if (s->listen) {
+ fd = ff_listen_bind(fd, (struct sockaddr *)&s->addr,
+ sizeof(s->addr), s->timeout, h);
+ if (fd < 0) {
+ ret = fd;
+ goto fail;
+ }
+ } else {
+ ret = ff_listen_connect(fd, (struct sockaddr *)&s->addr,
+ sizeof(s->addr), s->timeout, h);
+ if (ret < 0)
+ goto fail;
+ }
+
+ s->fd = fd;
+
+ return 0;
+
+fail:
+ if (s->listen && ret != EADDRINUSE)
+ unlink(s->addr.sun_path);
+ if (fd >= 0)
+ closesocket(fd);
+ return ret;
+}
+
+static int unix_read(URLContext *h, uint8_t *buf, int size)
+{
+ UnixContext *s = h->priv_data;
+ int ret;
+
+ if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
+ ret = ff_network_wait_fd(s->fd, 0);
+ if (ret < 0)
+ return ret;
+ }
+ ret = recv(s->fd, buf, size, 0);
+ return ret < 0 ? ff_neterrno() : ret;
+}
+
+static int unix_write(URLContext *h, const uint8_t *buf, int size)
+{
+ UnixContext *s = h->priv_data;
+ int ret;
+
+ if (!(h->flags & AVIO_FLAG_NONBLOCK)) {
+ ret = ff_network_wait_fd(s->fd, 1);
+ if (ret < 0)
+ return ret;
+ }
+ ret = send(s->fd, buf, size, 0);
+ return ret < 0 ? ff_neterrno() : ret;
+}
+
+static int unix_close(URLContext *h)
+{
+ UnixContext *s = h->priv_data;
+ if (s->listen)
+ unlink(s->addr.sun_path);
+ closesocket(s->fd);
+ return 0;
+}
+
+static int unix_get_file_handle(URLContext *h)
+{
+ UnixContext *s = h->priv_data;
+ return s->fd;
+}
+
+URLProtocol ff_unix_protocol = {
+ .name = "unix",
+ .url_open = unix_open,
+ .url_read = unix_read,
+ .url_write = unix_write,
+ .url_close = unix_close,
+ .url_get_file_handle = unix_get_file_handle,
+ .priv_data_size = sizeof(UnixContext),
+ .priv_data_class = &unix_class,
+ .flags = URL_PROTOCOL_FLAG_NETWORK,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 17:41:27 +0000