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Latest revision as of 13:52, 11 August 2023
Capture
Kdenlive fournit une fonctionnalité permettant de capturer la la vidéo à partir de dispositifs externes; par exemple, Firewire, FFmpeg, Screen Grab et Blackmagic.
Vous configurez la capture vidéo via ici).
(informations supplémentaires sur ce sujetVous définissez l'emplacement de destination de vos captures en utilisant ici).
(davantage sur ce sujetPour faire une capture vidéo, sélectionnez le moniteur d'enregistrement et choisissez le périphérique de capture de la liste déroulante, en bas à droite.
Firewire
This option is not available in recent versions of Kdenlive. Use dvgrab directly in a terminal to capture video from firewire.
This captures video from sources connected via a firewire (also known as - IEEE 1394 High Speed Serial Bus) card and cable. This functionality uses the dvgrab program and the settings for this can be customized by clicking the spanner icon or choosing . See Configure Firewire Capture.
Pour réaliser une capture:
- Plug in your device to the firewire card and turn it on to play mode
- Click the Record Button — note it toggles to grey while you are recording
- Click the Record button again to stop capture. Or click the stop button.
- In the Captured Files dialog, click the import button to have the captured files automatically imported into the project bin.
FFmpeg
Je pense que cette capture vidéo depuis une WebCam utilise Video4Linux2.
Screen Grab
This captures video of the PC screen. In version 0.9.2 it uses recordMyDesktop to do the capture. There is an open defect with this functionality in ver 0.9.2 — See bug tracker ID 2643.
In version 0.9.3, the screen grab is done by the ffmpeg functionality instead. For screen capture to work in ver 0.9.3, the version of ffmpeg installed needs to have been compiled with the --enable-x11grab
option. Ubuntu comes with an ffmpeg version compiled with this option.
To check on your linux distro, type ffmpeg -version
in a terminal and look for --enable-x11grab
in the reported configuration info. [1]
If you are capturing the screen and using the X246 with audio settings and you get a crash as shown in the screen shot ...
... then consider creating a profile for audio capture where -acodec pcm_s16le
is replaced by -acodec libvorbis -b 320k
. See Configure Kdenlive.
Blackmagic
Ceci est pour capturer à partir de cartes de capture vidéo Blackmagics decklink (autant que l'on sache). Incertitude concernant la stabilité du code. Voir le défaut 2130.
Notes
- ↑ There are now two branches of ffmpeg: a Libav branch and an ffmpeg.org branch. The ffmpeg version from the latter branch reports the configuration when you run with
ffmpeg -version
. The Libav version does not. So this method to check for the--enable-x11grab
does not work if you have the Libav version of ffmpeg.