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author | wm4 <wm4@nowhere> | 2019-05-31 20:13:57 +0200 |
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committer | wm4 <wm4@nowhere> | 2019-09-19 20:37:05 +0200 |
commit | a88b7bf0fc9f2b4da15aeaf51cfbf35e5776d8ea (patch) | |
tree | e4e825ed4a1c3d6bf15dd11d78f68d19a55f9a78 /DOCS/man/options.rst | |
parent | 165799157de1f688399356d25a7aebf695665c70 (diff) | |
download | mpv-a88b7bf0fc9f2b4da15aeaf51cfbf35e5776d8ea.tar.bz2 mpv-a88b7bf0fc9f2b4da15aeaf51cfbf35e5776d8ea.tar.xz |
manpage: another comment on backward playback with hardware decoding
Diffstat (limited to 'DOCS/man/options.rst')
-rw-r--r-- | DOCS/man/options.rst | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index 8ccf3caa4f..f55b38eb7a 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -478,7 +478,8 @@ Playback Control created seek ranges may not join, because not enough overlap is achieved. - Trying to use this with hardware video decoding will probably exhaust all - your GPU memory and then crash a thing or two. + your GPU memory and then crash a thing or two. Or it will fail because + ``--hwdec-extra-frames`` will certainly be set too low. - Stream recording is broken. ``--stream-record`` may keep working if you backward play within a cached region only. @@ -500,7 +501,9 @@ Playback Control - Increasing ``--video-reversal-buffer`` might help if reversal queue overflow is reported, which may happen in high bitrate video, or video - with large GOP. + with large GOP. Hardware decoding mostly ignores this, and you need to + increase ``--hwdec-extra-frames`` instead (until you get playback without + logged errors). - The demuxer cache is essential for backward demuxing. If it's too small, a queue overflow will be logged, and backward playback cannot continue, |