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🎥 Command line media player
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You can encode files from one format/codec to another using this facility.
``--o=<filename>`` Enables encoding mode and specifies the output file name.
``--of=<format>`` Specifies the output format (overrides autodetection by the file name extension of the file specified by ``--o``). See ``--of=help`` for a full list of supported formats.
``--ofopts=<options>`` Specifies the output format options for libavformat. See ``--ofopts=help`` for a full list of supported options.
This is a key/value list option. See `List Options`_ for details.
``--ofopts-add=<option>`` Appends the option given as an argument to the options list. (Passing multiple options is currently still possible, but deprecated.)
``--ofopts=""`` Completely empties the options list.
``--oac=<codec>`` Specifies the output audio codec. See ``--oac=help`` for a full list of supported codecs.
``--oacopts=<options>`` Specifies the output audio codec options for libavcodec. See ``--oacopts=help`` for a full list of supported options.
.. admonition:: Example
"``--oac=libmp3lame --oacopts=b=128000``" selects 128 kbps MP3 encoding.
This is a key/value list option. See `List Options`_ for details.
``--oacopts-add=<option>`` Appends the option given as an argument to the options list. (Passing multiple options is currently still possible, but deprecated.)
``--oacopts=""`` Completely empties the options list.
``--ovc=<codec>`` Specifies the output video codec. See ``--ovc=help`` for a full list of supported codecs.
``--ovcopts=<options>`` Specifies the output video codec options for libavcodec. See --ovcopts=help for a full list of supported options.
.. admonition:: Examples
``"--ovc=mpeg4 --ovcopts=qscale=5"`` selects constant quantizer scale 5 for MPEG-4 encoding.
``"--ovc=libx264 --ovcopts=crf=23"`` selects VBR quality factor 23 for H.264 encoding.
This is a key/value list option. See `List Options`_ for details.
``--ovcopts-add=<option>`` Appends the option given as an argument to the options list. (Passing multiple options is currently still possible, but deprecated.)
``--ovcopts=""`` Completely empties the options list.
``--orawts`` Copies input pts to the output video (not supported by some output container formats, e.g. AVI). In this mode, discontinuities are not fixed and all pts are passed through as-is. Never seek backwards or use multiple input files in this mode!
``--ocopy-metadata=<yes|no>`` Copy metadata from input files to output files when encoding (default: yes).
``--oset-metadata=<metadata-tag[,metadata-tag,...]>`` Specifies metadata to include in the output file. Supported keys vary between output formats. For example, Matroska (MKV) and FLAC allow almost arbitrary keys, while support in MP4 and MP3 is more limited.
This is a key/value list option. See `List Options`_ for details.
.. admonition:: Example
"``--oset-metadata=title="Output title",comment="Another tag"``" adds a title and a comment to the output file.
``--oremove-metadata=<metadata-tag[,metadata-tag,...]>`` Specifies metadata to exclude from the output file when copying from the input file.
This is a string list option. See `List Options`_ for details.
.. admonition:: Example
"``--oremove-metadata=comment,genre``" excludes copying of the comment and genre tags to the output file.