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feat(preview): generate video previews on an ffmpeg-over-ip server #65717

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feat(preview): generate video previews on an ffmpeg-over-ip server #65717

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6ca6cbe
feat(preview): generate video previews on an ffmpeg-over-ip server
szaimen Oct 20, 2026
b0c6b2a
fix(preview): address review feedback for the MovieRemote provider
szaimen Nov 4, 2026
1b4593c
fix(preview): fix psalm and coding style issues in FFmpegOverIpClient
szaimen Nov 4, 2026
d18936a
fix(preview): harden the MovieRemote provider and its ffmpeg-over-ip …
szaimen Nov 5, 2026
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43 changes: 43 additions & 0 deletions config/config.sample.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1633,6 +1633,48 @@
*/
'preview_imaginary_key' => 'secret',

/**
* Set the address of an ffmpeg-over-ip server to generate video previews on,
* as ``host:port``, ``tls://host:port`` or ``unix:/path/to/socket``. This is
* not an HTTP URL. Also requires the ``OC\Preview\MovieRemote`` provider to
* be enabled in the ``enabledPreviewProviders`` array. Neither ffmpeg nor the
* ffmpeg-over-ip client is needed on the Nextcloud server in that case.
*
* The server reads the videos from Nextcloud over the same connection, so
* it needs no access to the data directory. ffmpeg-over-ip itself does not
* encrypt the connection and does not authenticate the server, so anyone
* answering on this address can read the videos. Either only use it within
* a trusted network, or put a TLS terminating proxy (e.g. stunnel) in front
* of the server and use a ``tls://`` address. Like for other outgoing
* connections of Nextcloud, its certificate is verified against Nextcloud's
* certificate bundle, so a certificate of an internal CA has to be imported
* with ``occ security:certificates:import``.
*
* Like with ``OC\Preview\Movie``, the server can only read up to 20 MB of
* videos on storages that are not local (e.g. S3 or external storage), and
* only the first 10 MB of videos on storages that cannot seek (e.g. WebDAV
* or FTP external storage).
*
* If ``OC\Preview\Movie`` is enabled as well, the server is tried first and
* the local ffmpeg is only used if the server could not generate a preview.
*
* See https://github.com/steelbrain/ffmpeg-over-ip
*/
'preview_ffmpeg_address' => 'ffmpeg-over-ip:5050',

/**
* The ``authSecret`` configured on the ffmpeg-over-ip server.
*/
'preview_ffmpeg_key' => 'secret',

/**
* Seconds generating a single video preview on the ffmpeg-over-ip server
* may take in total. Values below 1 use the default.
*
* Defaults to ``120``
*/
'preview_ffmpeg_timeout' => 120,

/**
* Only register providers that have been explicitly enabled
*
Expand All @@ -1646,6 +1688,7 @@
* - ``OC\Preview\Illustrator``
* - ``OC\Preview\JP2``
* - ``OC\Preview\Movie``
* - ``OC\Preview\MovieRemote``
* - ``OC\Preview\MP3``
* - ``OC\Preview\MSOffice2003``
* - ``OC\Preview\MSOffice2007``
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2 changes: 2 additions & 0 deletions lib/composer/composer/autoload_classmap.php
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Expand Up @@ -2172,6 +2172,7 @@
'OC\\Preview\\Db\\Preview' => $baseDir . '/lib/private/Preview/Db/Preview.php',
'OC\\Preview\\Db\\PreviewMapper' => $baseDir . '/lib/private/Preview/Db/PreviewMapper.php',
'OC\\Preview\\EMF' => $baseDir . '/lib/private/Preview/EMF.php',
'OC\\Preview\\FFmpegOverIpClient' => $baseDir . '/lib/private/Preview/FFmpegOverIpClient.php',
'OC\\Preview\\Font' => $baseDir . '/lib/private/Preview/Font.php',
'OC\\Preview\\GIF' => $baseDir . '/lib/private/Preview/GIF.php',
'OC\\Preview\\Generator' => $baseDir . '/lib/private/Preview/Generator.php',
Expand All @@ -2193,6 +2194,7 @@
'OC\\Preview\\MarkDown' => $baseDir . '/lib/private/Preview/MarkDown.php',
'OC\\Preview\\MimeIconProvider' => $baseDir . '/lib/private/Preview/MimeIconProvider.php',
'OC\\Preview\\Movie' => $baseDir . '/lib/private/Preview/Movie.php',
'OC\\Preview\\MovieRemote' => $baseDir . '/lib/private/Preview/MovieRemote.php',
'OC\\Preview\\Office' => $baseDir . '/lib/private/Preview/Office.php',
'OC\\Preview\\OpenDocument' => $baseDir . '/lib/private/Preview/OpenDocument.php',
'OC\\Preview\\PDF' => $baseDir . '/lib/private/Preview/PDF.php',
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2 changes: 2 additions & 0 deletions lib/composer/composer/autoload_static.php
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Expand Up @@ -2213,6 +2213,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Preview\\Db\\Preview' => __DIR__ . '/../../..' . '/lib/private/Preview/Db/Preview.php',
'OC\\Preview\\Db\\PreviewMapper' => __DIR__ . '/../../..' . '/lib/private/Preview/Db/PreviewMapper.php',
'OC\\Preview\\EMF' => __DIR__ . '/../../..' . '/lib/private/Preview/EMF.php',
'OC\\Preview\\FFmpegOverIpClient' => __DIR__ . '/../../..' . '/lib/private/Preview/FFmpegOverIpClient.php',
'OC\\Preview\\Font' => __DIR__ . '/../../..' . '/lib/private/Preview/Font.php',
'OC\\Preview\\GIF' => __DIR__ . '/../../..' . '/lib/private/Preview/GIF.php',
'OC\\Preview\\Generator' => __DIR__ . '/../../..' . '/lib/private/Preview/Generator.php',
Expand All @@ -2234,6 +2235,7 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
'OC\\Preview\\MarkDown' => __DIR__ . '/../../..' . '/lib/private/Preview/MarkDown.php',
'OC\\Preview\\MimeIconProvider' => __DIR__ . '/../../..' . '/lib/private/Preview/MimeIconProvider.php',
'OC\\Preview\\Movie' => __DIR__ . '/../../..' . '/lib/private/Preview/Movie.php',
'OC\\Preview\\MovieRemote' => __DIR__ . '/../../..' . '/lib/private/Preview/MovieRemote.php',
'OC\\Preview\\Office' => __DIR__ . '/../../..' . '/lib/private/Preview/Office.php',
'OC\\Preview\\OpenDocument' => __DIR__ . '/../../..' . '/lib/private/Preview/OpenDocument.php',
'OC\\Preview\\PDF' => __DIR__ . '/../../..' . '/lib/private/Preview/PDF.php',
Expand Down
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