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sapenc: Mark the muxer as depending on network functions

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Hide all code mentioning IPv6 behind HAVE_STRUCT_SOCKADDR_IN6.

Originally committed as revision 25415 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-10-08 17:48:13 +00:00
parent d03b93e372
commit fcc7f40449
2 changed files with 16 additions and 2 deletions
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1
configure vendored
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@ -1363,6 +1363,7 @@ ogg_demuxer_select="golomb"
psp_muxer_select="mov_muxer"
rtsp_demuxer_select="http_protocol sdp_demuxer"
rtsp_muxer_select="rtp_muxer http_protocol sdp_demuxer"
sap_muxer_deps="network"
sap_muxer_select="rtp_muxer"
sdp_demuxer_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
spdif_muxer_select="aac_parser"

17
libavformat/sapenc.c
View File

@ -115,11 +115,13 @@ static int sap_write_header(AVFormatContext *s)
if (ai->ai_family == AF_INET) {
/* Also known as sap.mcast.net */
av_strlcpy(announce_addr, "224.2.127.254", sizeof(announce_addr));
#if HAVE_STRUCT_SOCKADDR_IN6
} else if (ai->ai_family == AF_INET6) {
/* With IPv6, you can use the same destination in many different
* multicast subnets, to choose how far you want it routed.
* This one is intended to be routed globally. */
av_strlcpy(announce_addr, "ff0e::2:7ffe", sizeof(announce_addr));
#endif
} else {
freeaddrinfo(ai);
av_log(s, AV_LOG_ERROR, "Host %s resolved to unsupported "
@ -167,7 +169,11 @@ static int sap_write_header(AVFormatContext *s)
ret = AVERROR(EIO);
goto fail;
}
if (localaddr.ss_family != AF_INET && localaddr.ss_family != AF_INET6) {
if (localaddr.ss_family != AF_INET
#if HAVE_STRUCT_SOCKADDR_IN6
&& localaddr.ss_family != AF_INET6
#endif
) {
av_log(s, AV_LOG_ERROR, "Unsupported protocol family\n");
ret = AVERROR(EIO);
goto fail;
@ -178,7 +184,12 @@ static int sap_write_header(AVFormatContext *s)
ret = AVERROR(EIO);
goto fail;
}
sap->ann[pos++] = (1 << 5) | ((localaddr.ss_family == AF_INET6) << 4);
sap->ann[pos] = (1 << 5);
#if HAVE_STRUCT_SOCKADDR_IN6
if (localaddr.ss_family == AF_INET6)
sap->ann[pos] |= 0x10;
#endif
pos++;
sap->ann[pos++] = 0; /* Authentication length */
AV_WB16(&sap->ann[pos], av_get_random_seed());
pos += 2;
@ -186,10 +197,12 @@ static int sap_write_header(AVFormatContext *s)
memcpy(&sap->ann[pos], &((struct sockaddr_in*)&localaddr)->sin_addr,
sizeof(struct in_addr));
pos += sizeof(struct in_addr);
#if HAVE_STRUCT_SOCKADDR_IN6
} else {
memcpy(&sap->ann[pos], &((struct sockaddr_in6*)&localaddr)->sin6_addr,
sizeof(struct in6_addr));
pos += sizeof(struct in6_addr);
#endif
}
av_strlcpy(&sap->ann[pos], "application/sdp", sap->ann_size - pos);