with "no" the option name, for example using "-nofoo" in the
command line will set to false the boolean option with name "foo".
+@anchor{Stream specifiers}
@section Stream specifiers
Some options are applied per-stream, e.g. bitrate or codec. Stream specifiers
are used to precisely specify which stream(s) does a given option belong to.
@env{FFMPEG_FORCE_NOCOLOR} or @env{NO_COLOR}, or can be forced setting
the environment variable @env{FFMPEG_FORCE_COLOR}.
The use of the environment variable @env{NO_COLOR} is deprecated and
-will be dropped in a following Libav version.
+will be dropped in a following FFmpeg version.
+
+@item -report
+Dump full command line and console output to a file named
+@code{@var{program}-@var{YYYYMMDD}-@var{HHMMSS}.log} in the current
+directory.
+This file can be useful for bug reports.
+It also implies @code{-loglevel verbose}.
+
+Note: setting the environment variable @code{FFREPORT} to any value has the
+same effect.
@end table
an MP3 file, use the @option{id3v2_version} private option of the MP3
muxer:
@example
-avconv -i input.flac -id3v2_version 3 out.mp3
+ffmpeg -i input.flac -id3v2_version 3 out.mp3
@end example
All codec AVOptions are obviously per-stream, so the chapter on stream