1 All the numerical options, if not specified otherwise, accept in input
2 a string representing a number, which may contain one of the
3 International System number postfixes, for example 'K', 'M', 'G'.
4 If 'i' is appended after the postfix, powers of 2 are used instead of
5 powers of 10. The 'B' postfix multiplies the value for 8, and can be
6 appended after another postfix or used alone. This allows using for
7 example 'KB', 'MiB', 'G' and 'B' as postfix.
9 @section Generic options
11 These options are shared amongst the ff* tools.
18 @item -h, -?, -help, --help
25 Show available formats.
27 The fields preceding the format names have the following meanings:
36 Show available codecs.
38 The fields preceding the codec names have the following meanings:
45 Video/audio/subtitle codec
49 Codec supports direct rendering
51 Codec can handle input truncated at random locations instead of only at frame boundaries
55 Show available bitstream filters.
58 Show available protocols.
61 Show available libavfilter filters.
64 Show available pixel formats.
66 @item -loglevel @var{loglevel}
67 Set the logging level used by the library.
68 @var{loglevel} is a number or a string containing one of the following values: