+ | Session > Open Video… | +Add/replace a video to/on the timeline |
|---|---|
| Window > Video Monitor | +Open/close external video monitor window |
| View > Video Monitor > … | +Various settings of the video monitor |
| Session > Export > Export to Video File… | +Export session and multiplex with video-file |
| Left-drag the video in the timeline | +Re-align video and move 'locked' audio-regions along |
| Context-menu on the video-timeline: Lock | +Prevent accidental drags |
| Audio region context menu: Name_Of_The_Region > Position > Lock to video | +Mark audio region(s) to be moved along with the video. |
- Adding video is a two-step process: select a video file, and choose - import mode and optionally select an audio track to extract. + Adding a video is a two-step process: selecting a video file, and choosing + import mode and optionally selecting an audio track to extract. Only one video + can be present in the session, so opening a video when one is already opened + results in replacing the video.
+ +
+ - The first step is rather straight-forward. The panel on the right side - allows to seek through the video and displays basic file information. - It is also useful to check if the video format/codec is supported: + Importing a video makes Ardour start the video server automatically. If + the Show video Server Startup Dialog option in the + Video section of the + preferences is checked, the + Launch Video Server window is shown, allowing more + complex operations, e.g. connecting to a remote video server instead of a local + one.
-
+
+
+ - The second step analyzes the video file in more detail and offers import options: + This step is rather straight-forward. The panel on the right side + allows to seek through the video and displays basic file information. + It is also useful to check if the video format/codec is supported.
-+ The lower part of the window shows some options: +
+
+ + This step analyzes the video file in more detail and offers import options: +
+| Import/Transcode Video to Session | +This is the default. The video will be imported in a suitable
video format/codec for the timeline and video monitor and saved inside the
session folder. A location other than the session folder can also be
chosen (external disk, or network storage of the video server on a different
- machine).
- 
+ machine) by using the Output File: field. |
|---|---|
| Reference from Current Location (Previously Transcoded + Files Only) | +Only useful for opening files that were previously encoded (are already + in a good format/codec for Ardour). Should be used with care. |
| Do not Import Video (Audio Import Only) | +Useful for extracting audio only. |
By default the video is imported using the original width/height.
- If it is a large video (e.g. full-HD) it makes sense to scale it down
+ If it is a large video (e.g. full-HD), it makes sense to scale it down
to decrease the CPU load and disk I/O required to decode and play the
- file.
- A small, low-quality representation of the image is usually sufficient
- for editing soundtracks. The default bitrate in kbit/sec is set to use
- 0.7 bits per pixel. (Compare: the average DVD medium uses 5000 kbit/s;
- at PAL resolution this is about 0.5 bits per pixel. But the DVD is
- using the mpeg2—a denser compression algorithm than the
- mjpeg codec used by Ardour.)
+ file.
+
+ A small, low-quality representation of the image is usually sufficient + for editing soundtracks. The default bitrate in kbit/sec is set to use + 0.7 bits per pixel (in comparison, the average DVD medium uses 5000 kbit/s; + at PAL resolution this is about 0.5 bits per pixel, but the DVD is + using the mpeg2—a denser compression algorithm than the + mjpeg codec used by Ardour). +
+ ++ The Extract Audio: offers options regarding the Audio + part of the stream, allowing to either not extract audio, or to choose which audio + stream to add to the session. +
++ When extracting any audio, if it includes + LTC timecodes, those can be extracted and used to sync the video by checking + the option below.
- Well now,.. + Working with A/V in Ardour is similar to working in a pure audio setup, except + for the presence of a video timeline in the ruler zone, + and a Xjadeo video window, showing a preview of the result. +
+ +
+ + The Xjadeo window supports some user interactions, such as showing some OSD + information or changing the zoom level. Xjadeo's documentation is available + on its website.
-
+ - The video export will take audio from the current Ardour session and - multiplex it with a video file. The soundtrack of the video is taken from + The video export will take audio from the current Ardour session and + multiplex it with a video file. The soundtrack of the video is taken from an audio export of Ardour's master bus.
- An arbitrary video file can be chosen. For high quality exports, the - original file (before it was imported into the timeline) should be used. - This is the default behaviour if that file can be found. If not, Ardour - will fall back to the imported proxy-video which is currently in use - on the timeline. Any existing audio tracks on this video file are stripped. + An arbitrary video file can be chosen. For high quality exports, the + original file (before it was imported into the timeline) should be used. + This is the default behaviour if that file can be found. If not, Ardour + will fall back to the imported proxy-video which is currently in use + on the timeline. Any existing audio tracks on this video file are stripped.
- The range selection allows to cut or extend the video. If the session is - longer than the video duration, black frames are prefixed or appended to - the video. (Note: this process may fail with non-standard pixel aspect + The range selection allows to cut or extend the video. If the session is + longer than the video duration, black frames are prefixed or appended to + the video. (Note: this process may fail with non-standard pixel aspect ratios). If Ardour's session range is shorter, the video will be cut accordingly.
- Audio samplerate and normalization are options for Ardour's audio exporter. + Audio sample-rate and normalization are options for Ardour's audio exporter. The remaining settings are options that are directly passed on to ffmpeg.
- The file format is determined by the extension that you choose for it - (.avi, .mov, .flv, .ogv, .webm,…) - Note: not all combinations of format, codec, and settings produce files - which are according to specifications. For example, flv files require - sample rates of 22.1 kHz or 44.1 kHz, mpeg containers can not - be used with ac3 audio-codec, etc. If in doubt, use one of the built-in - presets. + The file format is determined by the extension chosen for it + (.avi, .mov, .flv, .ogv, .webm,…). + Note: not all combinations of format, codec, and settings produce files + which are according to specifications. For example, flv files require + sample rates of 22.1 kHz or 44.1 kHz, mpeg containers can not + be used with ac3 audio-codec, etc. If in doubt, one of the built-in + presets should be used.
-
-
- Ardour video export is not recommended for mastering! While ffmpeg - (which is used by Ardour) can produce high-quality files, this export - lacks the possibility to tweak many settings. We recommend to use winff, - devede or dvdauthor to mux & master. Nevertheless this video-export c - omes in handy to do quick snapshots, intermediates, dailies or online videos. + Ardour video export is not recommended for mastering! While ffmpeg + (which is used by Ardour) can produce high-quality files, this export + lacks the possibility to tweak many settings. We recommend using + winff, + devede or + dvdauthor to mux and master. + Nevertheless this video-export comes in handy to do quick snapshots, + intermediates, dailies or online videos.
-