1 files changed, 0 insertions, 468 deletions
diff --git a/contrib/ffmpeg/libavformat/udp.c b/contrib/ffmpeg/libavformat/udp.c
deleted file mode 100644
index da3e25382..000000000
--- a/contrib/ffmpeg/libavformat/udp.c
+++ /dev/null
@@ -1,468 +0,0 @@
-/*
- * UDP prototype streaming system
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#include "avformat.h"
-#include <unistd.h>
-#include "network.h"
-#include "os_support.h"
-
-#ifndef IPV6_ADD_MEMBERSHIP
-#define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
-#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
-#endif
-
-typedef struct {
-    int udp_fd;
-    int ttl;
-    int is_multicast;
-    int local_port;
-    int reuse_socket;
-#ifndef CONFIG_IPV6
-    struct sockaddr_in dest_addr;
-#else
-    struct sockaddr_storage dest_addr;
-#endif
-    size_t dest_addr_len;
-} UDPContext;
-
-#define UDP_TX_BUF_SIZE 32768
-#define UDP_MAX_PKT_SIZE 65536
-
-static int udp_set_multicast_ttl(int sockfd, int mcastTTL, struct sockaddr *addr) {
-#ifdef IP_MULTICAST_TTL
-    if (addr->sa_family == AF_INET) {
-        if (setsockopt(sockfd, IPPROTO_IP, IP_MULTICAST_TTL, &mcastTTL, sizeof(mcastTTL)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_MULTICAST_TTL): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-#ifdef CONFIG_IPV6
-    if (addr->sa_family == AF_INET6) {
-        if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &mcastTTL, sizeof(mcastTTL)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_MULTICAST_HOPS): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-    return 0;
-}
-
-static int udp_join_multicast_group(int sockfd, struct sockaddr *addr) {
-#ifdef IP_ADD_MEMBERSHIP
-    if (addr->sa_family == AF_INET) {
-        struct ip_mreq mreq;
-
-        mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
-        mreq.imr_interface.s_addr= INADDR_ANY;
-        if (setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_ADD_MEMBERSHIP): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-#ifdef CONFIG_IPV6
-    if (addr->sa_family == AF_INET6) {
-        struct ipv6_mreq mreq6;
-
-        memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
-        mreq6.ipv6mr_interface= 0;
-        if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_ADD_MEMBERSHIP): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-    return 0;
-}
-
-static int udp_leave_multicast_group(int sockfd, struct sockaddr *addr) {
-#ifdef IP_DROP_MEMBERSHIP
-    if (addr->sa_family == AF_INET) {
-        struct ip_mreq mreq;
-
-        mreq.imr_multiaddr.s_addr = ((struct sockaddr_in *)addr)->sin_addr.s_addr;
-        mreq.imr_interface.s_addr= INADDR_ANY;
-        if (setsockopt(sockfd, IPPROTO_IP, IP_DROP_MEMBERSHIP, (const void *)&mreq, sizeof(mreq)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IP_DROP_MEMBERSHIP): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-#ifdef CONFIG_IPV6
-    if (addr->sa_family == AF_INET6) {
-        struct ipv6_mreq mreq6;
-
-        memcpy(&mreq6.ipv6mr_multiaddr, &(((struct sockaddr_in6 *)addr)->sin6_addr), sizeof(struct in6_addr));
-        mreq6.ipv6mr_interface= 0;
-        if (setsockopt(sockfd, IPPROTO_IPV6, IPV6_DROP_MEMBERSHIP, &mreq6, sizeof(mreq6)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(IPV6_DROP_MEMBERSHIP): %s\n", strerror(errno));
-            return -1;
-        }
-    }
-#endif
-    return 0;
-}
-
-#ifdef CONFIG_IPV6
-static struct addrinfo* udp_ipv6_resolve_host(const char *hostname, int port, int type, int family, int flags) {
-    struct addrinfo hints, *res = 0;
-    int error;
-    char sport[16];
-    const char *node = 0, *service = "0";
-
-    if (port > 0) {
-        snprintf(sport, sizeof(sport), "%d", port);
-        service = sport;
-    }
-    if ((hostname) && (hostname[0] != '\0') && (hostname[0] != '?')) {
-        node = hostname;
-    }
-    memset(&hints, 0, sizeof(hints));
-    hints.ai_socktype = type;
-    hints.ai_family   = family;
-    hints.ai_flags = flags;
-    if ((error = getaddrinfo(node, service, &hints, &res))) {
-        av_log(NULL, AV_LOG_ERROR, "udp_ipv6_resolve_host: %s\n", gai_strerror(error));
-    }
-
-    return res;
-}
-
-static int udp_set_url(struct sockaddr_storage *addr, const char *hostname, int port) {
-    struct addrinfo *res0;
-    int addr_len;
-
-    res0 = udp_ipv6_resolve_host(hostname, port, SOCK_DGRAM, AF_UNSPEC, 0);
-    if (res0 == 0) return AVERROR(EIO);
-    memcpy(addr, res0->ai_addr, res0->ai_addrlen);
-    addr_len = res0->ai_addrlen;
-    freeaddrinfo(res0);
-
-    return addr_len;
-}
-
-static int udp_socket_create(UDPContext *s, struct sockaddr_storage *addr, int *addr_len)
-{
-    int udp_fd = -1;
-    struct addrinfo *res0 = NULL, *res = NULL;
-    int family = AF_UNSPEC;
-
-    if (((struct sockaddr *) &s->dest_addr)->sa_family)
-        family = ((struct sockaddr *) &s->dest_addr)->sa_family;
-    res0 = udp_ipv6_resolve_host(0, s->local_port, SOCK_DGRAM, family, AI_PASSIVE);
-    if (res0 == 0)
-        goto fail;
-    for (res = res0; res; res=res->ai_next) {
-        udp_fd = socket(res->ai_family, SOCK_DGRAM, 0);
-        if (udp_fd > 0) break;
-        av_log(NULL, AV_LOG_ERROR, "socket: %s\n", strerror(errno));
-    }
-
-    if (udp_fd < 0)
-        goto fail;
-
-    memcpy(addr, res->ai_addr, res->ai_addrlen);
-    *addr_len = res->ai_addrlen;
-
-    freeaddrinfo(res0);
-
-    return udp_fd;
-
- fail:
-    if (udp_fd >= 0)
-        closesocket(udp_fd);
-    if(res0)
-        freeaddrinfo(res0);
-    return -1;
-}
-
-static int udp_port(struct sockaddr_storage *addr, int addr_len)
-{
-    char sbuf[sizeof(int)*3+1];
-
-    if (getnameinfo((struct sockaddr *)addr, addr_len, NULL, 0,  sbuf, sizeof(sbuf), NI_NUMERICSERV) != 0) {
-        av_log(NULL, AV_LOG_ERROR, "getnameinfo: %s\n", strerror(errno));
-        return -1;
-    }
-
-    return strtol(sbuf, NULL, 10);
-}
-
-#else
-
-static int udp_set_url(struct sockaddr_in *addr, const char *hostname, int port)
-{
-    /* set the destination address */
-    if (resolve_host(&addr->sin_addr, hostname) < 0)
-        return AVERROR(EIO);
-    addr->sin_family = AF_INET;
-    addr->sin_port = htons(port);
-
-    return sizeof(struct sockaddr_in);
-}
-
-static int udp_socket_create(UDPContext *s, struct sockaddr_in *addr, int *addr_len)
-{
-    int fd;
-
-    fd = socket(AF_INET, SOCK_DGRAM, 0);
-    if (fd < 0)
-        return -1;
-
-    addr->sin_family = AF_INET;
-    addr->sin_addr.s_addr = htonl (INADDR_ANY);
-    addr->sin_port = htons(s->local_port);
-    *addr_len = sizeof(struct sockaddr_in);
-
-    return fd;
-}
-
-static int udp_port(struct sockaddr_in *addr, int len)
-{
-    return ntohs(addr->sin_port);
-}
-#endif /* CONFIG_IPV6 */
-
-
-/**
- * If no filename is given to av_open_input_file because you want to
- * get the local port first, then you must call this function to set
- * the remote server address.
- *
- * url syntax: udp://host:port[?option=val...]
- * option: 'multicast=1' : enable multicast
- *         'ttl=n'       : set the ttl value (for multicast only)
- *         'localport=n' : set the local port
- *         'pkt_size=n'  : set max packet size
- *         'reuse=1'     : enable reusing the socket
- *
- * @param s1 media file context
- * @param uri of the remote server
- * @return zero if no error.
- */
-int udp_set_remote_url(URLContext *h, const char *uri)
-{
-    UDPContext *s = h->priv_data;
-    char hostname[256];
-    int port;
-
-    url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
-
-    /* set the destination address */
-    s->dest_addr_len = udp_set_url(&s->dest_addr, hostname, port);
-    if (s->dest_addr_len < 0) {
-        return AVERROR(EIO);
-    }
-
-    return 0;
-}
-
-/**
- * Return the local port used by the UDP connexion
- * @param s1 media file context
- * @return the local port number
- */
-int udp_get_local_port(URLContext *h)
-{
-    UDPContext *s = h->priv_data;
-    return s->local_port;
-}
-
-/**
- * Return the udp file handle for select() usage to wait for several RTP
- * streams at the same time.
- * @param h media file context
- */
-int udp_get_file_handle(URLContext *h)
-{
-    UDPContext *s = h->priv_data;
-    return s->udp_fd;
-}
-
-/* put it in UDP context */
-/* return non zero if error */
-static int udp_open(URLContext *h, const char *uri, int flags)
-{
-    char hostname[1024];
-    int port, udp_fd = -1, tmp;
-    UDPContext *s = NULL;
-    int is_output;
-    const char *p;
-    char buf[256];
-#ifndef CONFIG_IPV6
-    struct sockaddr_in my_addr;
-#else
-    struct sockaddr_storage my_addr;
-#endif
-    int len;
-
-    h->is_streamed = 1;
-    h->max_packet_size = 1472;
-
-    is_output = (flags & URL_WRONLY);
-
-    s = av_mallocz(sizeof(UDPContext));
-    if (!s)
-        return AVERROR(ENOMEM);
-
-    h->priv_data = s;
-    s->ttl = 16;
-    p = strchr(uri, '?');
-    if (p) {
-        s->is_multicast = find_info_tag(buf, sizeof(buf), "multicast", p);
-        s->reuse_socket = find_info_tag(buf, sizeof(buf), "reuse", p);
-        if (find_info_tag(buf, sizeof(buf), "ttl", p)) {
-            s->ttl = strtol(buf, NULL, 10);
-        }
-        if (find_info_tag(buf, sizeof(buf), "localport", p)) {
-            s->local_port = strtol(buf, NULL, 10);
-        }
-        if (find_info_tag(buf, sizeof(buf), "pkt_size", p)) {
-            h->max_packet_size = strtol(buf, NULL, 10);
-        }
-    }
-
-    /* fill the dest addr */
-    url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port, NULL, 0, uri);
-
-    /* XXX: fix url_split */
-    if (hostname[0] == '\0' || hostname[0] == '?') {
-        /* only accepts null hostname if input */
-        if (s->is_multicast || (flags & URL_WRONLY))
-            goto fail;
-    } else {
-        udp_set_remote_url(h, uri);
-    }
-
-    if(!ff_network_init())
-        return AVERROR(EIO);
-
-    if (s->is_multicast && !(h->flags & URL_WRONLY))
-        s->local_port = port;
-    udp_fd = udp_socket_create(s, &my_addr, &len);
-    if (udp_fd < 0)
-        goto fail;
-
-    if (s->reuse_socket)
-        if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0)
-            goto fail;
-
-    /* the bind is needed to give a port to the socket now */
-    if (bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0)
-        goto fail;
-
-    len = sizeof(my_addr);
-    getsockname(udp_fd, (struct sockaddr *)&my_addr, &len);
-    s->local_port = udp_port(&my_addr, len);
-
-    if (s->is_multicast) {
-        if (h->flags & URL_WRONLY) {
-            /* output */
-            if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0)
-                goto fail;
-        } else {
-            /* input */
-            if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr) < 0)
-                goto fail;
-        }
-    }
-
-    if (is_output) {
-        /* limit the tx buf size to limit latency */
-        tmp = UDP_TX_BUF_SIZE;
-        if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "setsockopt(SO_SNDBUF): %s\n", strerror(errno));
-            goto fail;
-        }
-    } else {
-        /* set udp recv buffer size to the largest possible udp packet size to
-         * avoid losing data on OSes that set this too low by default. */
-        tmp = UDP_MAX_PKT_SIZE;
-        setsockopt(udp_fd, SOL_SOCKET, SO_RCVBUF, &tmp, sizeof(tmp));
-    }
-
-    s->udp_fd = udp_fd;
-    return 0;
- fail:
-    if (udp_fd >= 0)
-        closesocket(udp_fd);
-    av_free(s);
-    return AVERROR(EIO);
-}
-
-static int udp_read(URLContext *h, uint8_t *buf, int size)
-{
-    UDPContext *s = h->priv_data;
-    int len;
-
-    for(;;) {
-        len = recv(s->udp_fd, buf, size, 0);
-        if (len < 0) {
-            if (ff_neterrno() != FF_NETERROR(EAGAIN) &&
-                ff_neterrno() != FF_NETERROR(EINTR))
-                return AVERROR(EIO);
-        } else {
-            break;
-        }
-    }
-    return len;
-}
-
-static int udp_write(URLContext *h, uint8_t *buf, int size)
-{
-    UDPContext *s = h->priv_data;
-    int ret;
-
-    for(;;) {
-        ret = sendto (s->udp_fd, buf, size, 0,
-                      (struct sockaddr *) &s->dest_addr,
-                      s->dest_addr_len);
-        if (ret < 0) {
-            if (ff_neterrno() != FF_NETERROR(EINTR) &&
-                ff_neterrno() != FF_NETERROR(EAGAIN))
-                return AVERROR(EIO);
-        } else {
-            break;
-        }
-    }
-    return size;
-}
-
-static int udp_close(URLContext *h)
-{
-    UDPContext *s = h->priv_data;
-
-    if (s->is_multicast && !(h->flags & URL_WRONLY))
-        udp_leave_multicast_group(s->udp_fd, (struct sockaddr *)&s->dest_addr);
-    closesocket(s->udp_fd);
-    ff_network_close();
-    av_free(s);
-    return 0;
-}
-
-URLProtocol udp_protocol = {
-    "udp",
-    udp_open,
-    udp_read,
-    udp_write,
-    NULL, /* seek */
-    udp_close,
-};