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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-03-10 16:33:23 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2024-03-10 17:49:16 +0100 |
| commit | cc95fd4531fcab1dee7b2a454f6acede011cf4c1 (patch) | |
| tree | 49d8377a578c2b3dccdbc91aff79c41b4099d66d /doc | |
| parent | 2c82ec9b4a9def6ae7d5b21e6cac0b14444300c4 (diff) | |
| download | ffmpeg-cc95fd4531fcab1dee7b2a454f6acede011cf4c1.tar.gz | |
doc/bitstream_filters.texi: Document types used by filter_units
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Reviewed-by: Marth64 <marth64@proxyid.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/bitstream_filters.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index 61539d2473..3d4dda04fc 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 +and HEVC specifications or Table 5 in the H.266 specification), to +marker values for JPEG (without 0xFF prefix) and 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. |