From: Limin Wang <lance.lmw...@gmail.com> Signed-off-by: Limin Wang <lance.lmw...@gmail.com> --- libavformat/udp.c | 42 ++++++++++++++++++++++-------------------- 1 file changed, 22 insertions(+), 20 deletions(-)
diff --git a/libavformat/udp.c b/libavformat/udp.c index 13c346a..28987e0 100644 --- a/libavformat/udp.c +++ b/libavformat/udp.c @@ -633,6 +633,8 @@ static int udp_open(URLContext *h, const char *uri, int flags) char buf[256]; struct sockaddr_storage my_addr; socklen_t len; + int ret = AVERROR(EIO); + int net_ret = 0; h->is_streamed = 1; @@ -641,12 +643,12 @@ static int udp_open(URLContext *h, const char *uri, int flags) s->buffer_size = is_output ? UDP_TX_BUF_SIZE : UDP_RX_BUF_SIZE; if (s->sources) { - if (ff_ip_parse_sources(h, s->sources, &s->filters) < 0) + if ((ret = ff_ip_parse_sources(h, s->sources, &s->filters)) < 0) goto fail; } if (s->block) { - if (ff_ip_parse_blocks(h, s->block, &s->filters) < 0) + if ((ret = ff_ip_parse_blocks(h, s->block, &s->filters)) < 0) goto fail; } @@ -712,11 +714,11 @@ static int udp_open(URLContext *h, const char *uri, int flags) av_strlcpy(localaddr, buf, sizeof(localaddr)); } if (av_find_info_tag(buf, sizeof(buf), "sources", p)) { - if (ff_ip_parse_sources(h, buf, &s->filters) < 0) + if ((ret = ff_ip_parse_sources(h, buf, &s->filters)) < 0) goto fail; } if (av_find_info_tag(buf, sizeof(buf), "block", p)) { - if (ff_ip_parse_blocks(h, buf, &s->filters) < 0) + if ((ret = ff_ip_parse_blocks(h, buf, &s->filters)) < 0) goto fail; } if (!is_output && av_find_info_tag(buf, sizeof(buf), "timeout", p)) @@ -742,7 +744,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) if (!(flags & AVIO_FLAG_READ)) goto fail; } else { - if (ff_udp_set_remote_url(h, uri) < 0) + if ((ret = ff_udp_set_remote_url(h, uri)) < 0) goto fail; } @@ -763,13 +765,13 @@ static int udp_open(URLContext *h, const char *uri, int flags) */ if (s->reuse_socket > 0 || (s->is_multicast && s->reuse_socket < 0)) { s->reuse_socket = 1; - if (setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket)) != 0) + if ((net_ret = setsockopt (udp_fd, SOL_SOCKET, SO_REUSEADDR, &(s->reuse_socket), sizeof(s->reuse_socket))) != 0) goto fail; } if (s->is_broadcast) { #ifdef SO_BROADCAST - if (setsockopt (udp_fd, SOL_SOCKET, SO_BROADCAST, &(s->is_broadcast), sizeof(s->is_broadcast)) != 0) + if ((net_ret = setsockopt (udp_fd, SOL_SOCKET, SO_BROADCAST, &(s->is_broadcast), sizeof(s->is_broadcast))) != 0) #endif goto fail; } @@ -788,7 +790,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) if (dscp >= 0) { dscp <<= 2; - if (setsockopt (udp_fd, IPPROTO_IP, IP_TOS, &dscp, sizeof(dscp)) != 0) + if ((net_ret = setsockopt (udp_fd, IPPROTO_IP, IP_TOS, &dscp, sizeof(dscp))) != 0) goto fail; } @@ -802,7 +804,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) /* bind to the local address if not multicast or if the multicast * bind failed */ /* the bind is needed to give a port to the socket now */ - if (bind_ret < 0 && bind(udp_fd,(struct sockaddr *)&my_addr, len) < 0) { + if (bind_ret < 0 && (net_ret = bind(udp_fd,(struct sockaddr *)&my_addr, len)) < 0) { ff_log_net_error(h, AV_LOG_ERROR, "bind failed"); goto fail; } @@ -814,28 +816,28 @@ static int udp_open(URLContext *h, const char *uri, int flags) if (s->is_multicast) { if (h->flags & AVIO_FLAG_WRITE) { /* output */ - if (udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr) < 0) + if ((net_ret = udp_set_multicast_ttl(udp_fd, s->ttl, (struct sockaddr *)&s->dest_addr)) < 0) goto fail; } if (h->flags & AVIO_FLAG_READ) { /* input */ if (s->filters.nb_include_addrs) { - if (udp_set_multicast_sources(h, udp_fd, + if ((net_ret = udp_set_multicast_sources(h, udp_fd, (struct sockaddr *)&s->dest_addr, s->dest_addr_len, &s->local_addr_storage, s->filters.include_addrs, - s->filters.nb_include_addrs, 1) < 0) + s->filters.nb_include_addrs, 1)) < 0) goto fail; } else { - if (udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr,(struct sockaddr *)&s->local_addr_storage) < 0) + if ((net_ret = udp_join_multicast_group(udp_fd, (struct sockaddr *)&s->dest_addr,(struct sockaddr *)&s->local_addr_storage)) < 0) goto fail; } if (s->filters.nb_exclude_addrs) { - if (udp_set_multicast_sources(h, udp_fd, + if ((net_ret = udp_set_multicast_sources(h, udp_fd, (struct sockaddr *)&s->dest_addr, s->dest_addr_len, &s->local_addr_storage, s->filters.exclude_addrs, - s->filters.nb_exclude_addrs, 0) < 0) + s->filters.nb_exclude_addrs, 0)) < 0) goto fail; } } @@ -844,7 +846,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) if (is_output) { /* limit the tx buf size to limit latency */ tmp = s->buffer_size; - if (setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp)) < 0) { + if ((net_ret = setsockopt(udp_fd, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp))) < 0) { ff_log_net_error(h, AV_LOG_ERROR, "setsockopt(SO_SNDBUF)"); goto fail; } @@ -867,7 +869,7 @@ static int udp_open(URLContext *h, const char *uri, int flags) ff_socket_nonblock(udp_fd, 1); } if (s->is_connected) { - if (connect(udp_fd, (struct sockaddr *) &s->dest_addr, s->dest_addr_len)) { + if (net_ret = connect(udp_fd, (struct sockaddr *) &s->dest_addr, s->dest_addr_len)) { ff_log_net_error(h, AV_LOG_ERROR, "connect"); goto fail; } @@ -888,8 +890,6 @@ static int udp_open(URLContext *h, const char *uri, int flags) } if ((!is_output && s->circular_buffer_size) || (is_output && s->bitrate && s->circular_buffer_size)) { - int ret; - /* start the task going */ s->fifo = av_fifo_alloc(s->circular_buffer_size); ret = pthread_mutex_init(&s->mutex, NULL); @@ -919,11 +919,13 @@ static int udp_open(URLContext *h, const char *uri, int flags) pthread_mutex_destroy(&s->mutex); #endif fail: + if (net_ret < 0) + ret = ff_neterrno(); if (udp_fd >= 0) closesocket(udp_fd); av_fifo_freep(&s->fifo); ff_ip_reset_filters(&s->filters); - return AVERROR(EIO); + return ret; } static int udplite_open(URLContext *h, const char *uri, int flags) -- 1.8.3.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".