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| author | Anton Khirnov <anton@khirnov.net> | 2016-08-21 17:08:34 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2016-10-16 20:27:16 +0200 |
| commit | 89b35a139e838deeb32ec20d8d034c81014401d0 (patch) | |
| tree | cca69fd8e6e3dadb9eb985f510920a6360b2bf7a /doc | |
| parent | f6e2f8a9ffda2247bffba991450990d075ea68e3 (diff) | |
| download | ffmpeg-89b35a139e838deeb32ec20d8d034c81014401d0.tar.gz | |
lavc: add a bitstream filter for extracting extradata from packets
This is intended as a replacement for the 'split' function exported by
some parsers.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/bitstream_filters.texi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index 6e7f8781ee..7ddf52e34d 100644 --- a/doc/bitstream_filters.texi +++ b/doc/bitstream_filters.texi @@ -21,6 +21,24 @@ Below is a description of the currently available bitstream filters. @section dump_extradata +@section extract_extradata + +Extract the in-band extradata. + +Certain codecs allow the long-term headers (e.g. MPEG-2 sequence headers, +or H.264/HEVC (VPS/)SPS/PPS) to be transmitted either "in-band" (i.e. as a part +of the bitstream containing the coded frames) or "out of band" (e.g. on the +container level). This latter form is called "extradata" in Libav terminology. + +This bitstream filter detects the in-band headers and makes them available as +extradata. + +@table @option +@item remove +When this option is enabled, the long-term headers are removed from the +bitstream after extraction. +@end table + @section h264_mp4toannexb @section imx_dump_header |