[FFmpeg-devel] [PATCH] doc/bitstream_filters.texi: Document types used by filter_units

Stefano Sabatini stefasab at gmail.com
Sun Mar 10 17:52:03 EET 2024


On date Sunday 2024-03-10 16:34:23 +0100, Andreas Rheinhardt wrote:
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> ---
>  doc/bitstream_filters.texi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
> index 61539d2473..3351625225 100644
> --- a/doc/bitstream_filters.texi
> +++ b/doc/bitstream_filters.texi
> @@ -199,6 +199,13 @@ Identical to @option{pass_types}, except the units in the given set
>  removed and all others passed through.
>  @end table
>  
> +The types used by pass_types and remove_types correspond to NAL unit types
> +(nal_unit_type) in H.264, HEVC and H.266 (see Table 7-1 in the H.264
> +specification and HEVC specifications or Table 5 for H.266), to
> +marker values for JPEG (without 0xFF prefix), to start codes without
> +start code prefix (i.e. the byte following the 0x000001) for MPEG-2.
> +For VP8 and VP9, every unit has type zero.
> +

LGTM, thanks.


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