diff options
Diffstat (limited to 'DOCS/man/options.rst')
| -rw-r--r-- | DOCS/man/options.rst | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 8439a00163..4900ccc0e8 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -4004,6 +4004,12 @@ Cache generally worthless after the media is closed, and it's hard to retrieve any media data from it (it's not supported by design). + If the option is enabled at runtime, the cache file is created, but old data + will remain in the memory cache. If the option is disabled at runtime, old + data remains in the disk cache, and the cache file is not closed until the + media is closed. If the option is disabled and enabled again, it will + continue to use the cache file that was opened first. + ``--cache-dir=<path>`` Directory where to create temporary files (default: none). @@ -5863,8 +5869,14 @@ Miscellaneous ``--stream-record=<file>`` Similar to ``--record-file``, but write packets as they are received. The implementation of this does not tolerate seeks (outside of demuxer cache), - or streams being selected/deselected during recording. Can not be set at - runtime. Use with care. + or streams being selected/deselected during recording. Use with care. + + If this is set at runtime, the old file is closed, and the new file is + opened. Note that this will write only data that is appended at the end of + the cache, and the already cached data cannot be written. (A fix for that + would be a command that dumps the cache using a given time range, possibly + with the option to be open-ended, which would continue to write data + appended to the cache. Such a command doesn't exist yet.) ``--lavfi-complex=<string>`` Set a "complex" libavfilter filter, which means a single filter graph can |