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Diffstat (limited to 'doc/bitstream_filters.texi')
| -rw-r--r-- | doc/bitstream_filters.texi | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index 1409548..5efb8e0 100644 --- a/doc/bitstream_filters.texi +++ b/doc/bitstream_filters.texi @@ -324,6 +324,42 @@ See also the @ref{text2movsub} filter. Decompress non-standard compressed MP3 audio headers. +@section mpeg2_metadata + +Modify metadata embedded in an MPEG-2 stream. + +@table @option +@item display_aspect_ratio +Set the display aspect ratio in the stream. + +The following fixed values are supported: +@table @option +@item 4/3 +@item 16/9 +@item 221/100 +@end table +Any other value will result in square pixels being signalled instead +(see H.262 section 6.3.3 and table 6-3). + +@item frame_rate +Set the frame rate in the stream. This is constructed from a table +of known values combined with a small multiplier and divisor - if +the supplied value is not exactly representable, the nearest +representable value will be used instead (see H.262 section 6.3.3 +and table 6-4). + +@item video_format +Set the video format in the stream (see H.262 section 6.3.6 and +table 6-6). + +@item colour_primaries +@item transfer_characteristics +@item matrix_coefficients +Set the colour description in the stream (see H.262 section 6.3.6 +and tables 6-7, 6-8 and 6-9). + +@end table + @section mpeg4_unpack_bframes Unpack DivX-style packed B-frames. |
