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@@ -94,12 +94,13 @@ See also the @code{crc} muxer (@pxref{crc}).
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Image file muxer.
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-This muxer writes video frames to multiple image files specified by a
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-pattern.
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+The image file muxer writes video frames to image files.
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-The pattern may contain the string "%d" or "%0@var{N}d", which
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+The output filenames are specified by a pattern, which can be used to
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+produce sequentially numbered series of files.
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+The pattern may contain the string "%d" or "%0@var{N}d", this string
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specifies the position of the characters representing a numbering in
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-the filenames. If the form "%d0@var{N}d" is used, the string
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+the filenames. If the form "%0@var{N}d" is used, the string
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representing the number in each filename is 0-padded to @var{N}
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digits. The literal character '%' can be specified in the pattern with
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the string "%%".
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Stefano Sabatini