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

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

[Andreas Rheinhardt]

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@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.
+
 Extradata is unchanged by this transformation, but note that if the stream
 contains inline parameter sets then the output may be unusable if they are
 removed.
-- 
2.40.1

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

[Stefano Sabatini]

On date Sunday 2024-03-10 16:34:23 +0100, Andreas Rheinhardt wrote:
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@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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Re: [FFmpeg-devel] [PATCH] doc/bitstream_filters.texi: Document types used by filter_units

[Marth64]

LGTM from a helpfulness standpoint. (Only chiming in as I just touched the
same area in a different thread).

Cheers,

On Sun, Mar 10, 2024 at 10:52 Stefano Sabatini <stefasab@gmail.com> wrote:

> On date Sunday 2024-03-10 16:34:23 +0100, Andreas Rheinhardt wrote:
> > Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@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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> ffmpeg-devel@ffmpeg.org
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>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>
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