77 lines
2.0 KiB
Markdown
77 lines
2.0 KiB
Markdown
% muxsa-pngaac2mp4(1) Version 1.0 | MUltipleXer for Slides and Audio
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NAME
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====
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**muxsa-pngaac2mp4** — multiplex slides and background narration into a video file
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SYNOPSIS
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========
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| **muxsa-pngaac2mp4** \[**-a** _soundtrack.m4a_] \[**-s** _slides.concat_] \[**-o** _out.mp4_]
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DESCRIPTION
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===========
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**muxsa-pngaac2mp4** is part of muxsa (MUltipleXer for Slides and Audio),
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a collection of Linux tools for efficiently creating video files from
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presentation slides and background narration.
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For an overview on muxsa, see
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[/usr/share/doc/muxsa/howto.txt](/usr/share/doc/muxsa/howto.txt) and
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[https://git-nks-public.tik.uni-stuttgart.de/edu/muxsa](https://git-nks-public.tik.uni-stuttgart.de/edu/muxsa).
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**muxsa-pngaac2mp4** calls **ffmpeg**(1) with its concat multiplexer.
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It reads a series of images in _.png_ file format, typically screenshots
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of a slide presentation that were taken with **muxsa-kvm2png**(1),
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an audio file in _.m4a_ file format with the narration, typically
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recorded with **audacity**(1), and a control file containing the
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image file names and timing information, typically generated with
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**muxsa-al2fc**(1) from an **audacity**(1) label track.
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It produces a video file in _.mp4_ file format.
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Options
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-------
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-a _alternate-soundtrack.m4a_
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: Name of aac/m4a audio file with the background narration.
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Default: _soundtrack.m4a_
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-s _alternate-control-file.concat_
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: Name of the ffmpeg concat multiplexer control file, typically
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generated with **muxsa-al2fc**(1).
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Default: _slides.concat_
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-o _alternate-output.mp4_
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: Name of the video file in _.mp4_ format to be written.
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Default: _out.mp4_
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FILES
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=====
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*soundtrack.m4a*, *slides.concat*, *out.mp4*
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: Default file names. Description: see Options section.
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ENVIRONMENT
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===========
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(none)
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BUGS
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====
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See: <https://git-nks-public.tik.uni-stuttgart.de/edu/muxsa/issues>
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AUTHOR
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======
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Sebastian Kiesel <sebastian.kiesel@tik.uni-stuttgart.de>
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SEE ALSO
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========
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**muxsa-al2fc(1)**, **muxsa-kvm2png(1)**
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