[FFmpeg-cvslog] r25795 - trunk/doc/ffmpeg-doc.texi

elenril subversion
Mon Nov 22 08:32:27 CET 2010

Author: elenril
Date: Mon Nov 22 08:32:27 2010
New Revision: 25795

ffmpeg.c: document default metadata mappings


Modified: trunk/doc/ffmpeg-doc.texi
--- trunk/doc/ffmpeg-doc.texi	Mon Nov 22 08:32:23 2010	(r25794)
+++ trunk/doc/ffmpeg-doc.texi	Mon Nov 22 08:32:27 2010	(r25795)
@@ -625,6 +625,12 @@ Optional @var{metadata} parameters speci
 per-(p)rogram. All metadata specifiers other than global must be followed by the
 stream/chapter/program number. If metadata specifier is omitted, it defaults to
+By default, global metadata is copied from the first input file to all output files,
+per-stream and per-chapter metadata is copied along with streams/chapters. These
+default mappings are disabled by creating any mapping of the relevant type. A negative
+file index can be used to create a dummy mapping that just disables automatic copying.
 For example to copy metadata from the first stream of the input file to global metadata
 of the output file:

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