diff options
Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/interface-changes.rst | 1 | ||||
| -rw-r--r-- | DOCS/man/options.rst | 30 |
2 files changed, 26 insertions, 5 deletions
diff --git a/DOCS/interface-changes.rst b/DOCS/interface-changes.rst index 608248f88f..7ccf66758c 100644 --- a/DOCS/interface-changes.rst +++ b/DOCS/interface-changes.rst @@ -45,6 +45,7 @@ Interface changes audio output drivers for quite a while (coreaudio used to provide it) - deprecate --videotoolbox-format (use --hwdec-image-format, which affects most other hwaccels) + - remove deprecated --demuxer-max-packets --- mpv 0.27.0 --- - drop previously deprecated --field-dominance option - drop previously deprecated "osd" command diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 8ff7ccd508..d6e7cf56cf 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -2839,11 +2839,31 @@ Demuxer See ``--list-options`` for defaults and value range. -``--demuxer-max-packets=<packets>`` - Quite similar ``--demuxer-max-bytes=<bytes>``. Deprecated, because the - other option does basically the same job. Since mpv 0.25.0, the code - tries to account for per-packet overhead, which is why this option becomes - rather pointless. +``--demuxer-max-back-bytes=<value>`` + This controls how much past data the demuxer is allowed to preserve. This + is useful only if the ``--demuxer-seekable-cache`` option is enabled. + Unlike the forward cache, there is no control how many seconds are actually + cached - it will simply use as much memory this option allows. Setting this + option to 0 will strictly disable any back buffer. + + Keep in mind that other buffers in the player (like decoders) will cause the + demuxer to cache "future" frames in the back buffer, which can skew the + impression about how much data the backbuffer contains. + + See ``--list-options`` for defaults and value range. + +``--demuxer-seekable-cache=<yes|no>`` + This controls whether seeking can use the demuxer cache (default: no). If + enabled, short seek offsets will not trigger a low level demuxer seek + (which means for example that slow network round trips or FFmpeg seek bugs + can be avoided). If a seek cannot happen within the cached range, a low + level seek will be triggered. Seeking outside of the cache will always + discard the full cache. + + Keep in mind that some events can flush the cache or force a low level + seek anyway, such as switching tracks, or attmepting to seek before the + start or after the end of the file. This option is experimental - thus + disabled, and bugs are to be expected. ``--demuxer-thread=<yes|no>`` Run the demuxer in a separate thread, and let it prefetch a certain amount |