[FFmpeg-devel] [PATCH] doc/formats.texi: document max_interlave_delta muxing option

Stefano Sabatini stefasab at gmail.com
Mon Jun 1 17:16:50 CEST 2015

The option was added in commit d9ae1031f5edbd25c8526b4cb51aba66d3bee931
but it was never document.
 doc/formats.texi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/doc/formats.texi b/doc/formats.texi
index aa39d4b..617cda5 100644
--- a/doc/formats.texi
+++ b/doc/formats.texi
@@ -127,6 +127,25 @@ Consider all spec non compliancies as errors.
 Consider things that a sane encoder should not do as an error.
 @end table
+ at item max_interleave_delta @var{integer} (@emph{output})
+Set maximum buffering duration for interleaving. The duration is
+expressed in microseconds, and defaults to 1000000 (1 second).
+To ensure all the streams are interleaved correctly, libavformat will
+wait until it has at least one packet for each stream before actually
+writing any packets to the output file. When some streams are
+"sparse" (i.e. there are large gaps between successive packets), this
+can result in excessive buffering.
+This field specifies the maximum difference between the timestamps of the
+first and the last packet in the muxing queue, above which libavformat
+will output a packet regardless of whether it has queued a packet for all
+the streams.
+If set to 0, libavformat will continue buffering packets until it has
+a packet for each stream, regardless of the maximum timestamp
+difference between the buffered packets.
 @item use_wallclock_as_timestamps @var{integer} (@emph{input})
 Use wallclock as timestamps.

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