[FFmpeg-cvslog] doc/protocols/udp, lavf/udp: apply minor documentation fixes

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Tue Dec 24 14:38:48 2013 +0100| [b80cf460903ff69ab62e8f4db95a58675f61e767] | committer: Stefano Sabatini

doc/protocols/udp,lavf/udp: apply minor documentation fixes

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b80cf460903ff69ab62e8f4db95a58675f61e767
---

 doc/protocols.texi |   24 ++++++++++++++++--------
 libavformat/udp.c  |   20 ++++++++++----------
 2 files changed, 26 insertions(+), 18 deletions(-)

diff --git a/doc/protocols.texi b/doc/protocols.texi
index 3f3844d..211e125 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -979,7 +979,7 @@ ffplay tls://@var{hostname}:@var{port}
 
 User Datagram Protocol.
 
-The required syntax for a UDP url is:
+The required syntax for an UDP URL is:
 @example
 udp://@var{hostname}:@var{port}[?@var{options}]
 @end example
@@ -994,7 +994,6 @@ UDP socket buffer overruns. The @var{fifo_size} and
 The list of supported options follows.
 
 @table @option
-
 @item buffer_size=@var{size}
 Set the UDP socket buffer size in bytes. This is used both for the
 receiving and the sending buffer size.
@@ -1044,25 +1043,34 @@ Survive in case of UDP receiving circular buffer overrun. Default
 value is 0.
 
 @item timeout=@var{microseconds}
-In read mode: if no data arrived in more than this time interval, raise error.
+Set raise error timeout, expressed in microseconds.
+
+This option is only relevant in read mode: if no data arrived in more
+than this time interval, raise error.
 @end table
 
-Some usage examples of the UDP protocol with @command{ffmpeg} follow.
+ at section Examples
 
-To stream over UDP to a remote endpoint:
+ at itemize
+ at item
+Use @command{ffmpeg} to stream over UDP to a remote endpoint:
 @example
 ffmpeg -i @var{input} -f @var{format} udp://@var{hostname}:@var{port}
 @end example
 
-To stream in mpegts format over UDP using 188 sized UDP packets, using a large input buffer:
+ at item
+Use @command{ffmpeg} to stream in mpegts format over UDP using 188
+sized UDP packets, using a large input buffer:
 @example
 ffmpeg -i @var{input} -f mpegts udp://@var{hostname}:@var{port}?pkt_size=188&buffer_size=65535
 @end example
 
-To receive over UDP from a remote endpoint:
+ at item
+Use @command{ffmpeg} to receive over UDP from a remote endpoint:
 @example
-ffmpeg -i udp://[@var{multicast-address}]:@var{port}
+ffmpeg -i udp://[@var{multicast-address}]:@var{port} ...
 @end example
+ at end itemize
 
 @section unix
 
diff --git a/libavformat/udp.c b/libavformat/udp.c
index 8139780..047ff7c 100644
--- a/libavformat/udp.c
+++ b/libavformat/udp.c
@@ -91,17 +91,17 @@ typedef struct {
 #define D AV_OPT_FLAG_DECODING_PARAM
 #define E AV_OPT_FLAG_ENCODING_PARAM
 static const AVOption options[] = {
-{"buffer_size", "Socket buffer size in bytes", OFFSET(buffer_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
-{"localport", "Set local port to bind to", OFFSET(local_port), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
-{"localaddr", "Choose local IP address", OFFSET(local_addr), AV_OPT_TYPE_STRING, {.str = ""}, 0, 0, D|E },
-{"pkt_size", "Set size of UDP packets", OFFSET(packet_size), AV_OPT_TYPE_INT, {.i64 = 1472}, 0, INT_MAX, D|E },
-{"reuse", "Explicitly allow or disallow reusing UDP sockets", OFFSET(reuse_socket), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
-{"ttl", "Set the time to live value (for multicast only)", OFFSET(ttl), AV_OPT_TYPE_INT, {.i64 = 16}, 0, INT_MAX, E },
-{"connect", "Should connect() be called on socket", OFFSET(is_connected), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
+{"buffer_size", "set packet buffer size in bytes", OFFSET(buffer_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
+{"localport", "set local port to bind to", OFFSET(local_port), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D|E },
+{"localaddr", "choose local IP address", OFFSET(local_addr), AV_OPT_TYPE_STRING, {.str = ""}, 0, 0, D|E },
+{"pkt_size", "set size of UDP packets", OFFSET(packet_size), AV_OPT_TYPE_INT, {.i64 = 1472}, 0, INT_MAX, D|E },
+{"reuse", "explicitly allow or disallow reusing UDP sockets", OFFSET(reuse_socket), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
+{"ttl", "set the time to live value (for multicast only)", OFFSET(ttl), AV_OPT_TYPE_INT, {.i64 = 16}, 0, INT_MAX, E },
+{"connect", "set if connect() should be called on socket", OFFSET(is_connected), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
 /* TODO 'sources', 'block' option */
-{"fifo_size", "Set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes", OFFSET(circular_buffer_size), AV_OPT_TYPE_INT, {.i64 = 7*4096}, 0, INT_MAX, D },
-{"overrun_nonfatal", "Survive in case of UDP receiving circular buffer overrun", OFFSET(overrun_nonfatal), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D },
-{"timeout", "In read mode: if no data arrived in more than this time interval, raise error", OFFSET(timeout), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D },
+{"fifo_size", "set the UDP receiving circular buffer size, expressed as a number of packets with size of 188 bytes", OFFSET(circular_buffer_size), AV_OPT_TYPE_INT, {.i64 = 7*4096}, 0, INT_MAX, D },
+{"overrun_nonfatal", "survive in case of UDP receiving circular buffer overrun", OFFSET(overrun_nonfatal), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D },
+{"timeout", "set raise error timeout (only in read mode)", OFFSET(timeout), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, D },
 {NULL}
 };