X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fworkflow-amp-operations.html;h=0aa98912fbdbfd326fcdb2a611144b319ae9a936;hb=f8d53fa7c3f6bde67827efe1a03cffc3cd4c1de2;hp=75c8e353031edbdc038b6e2b87d34306eea36cde;hpb=88d6f39b5f8b0f791b6833bb1512aa774b59d4f8;p=ardour-manual diff --git a/include/workflow-amp-operations.html b/include/workflow-amp-operations.html index 75c8e35..0aa9891 100644 --- a/include/workflow-amp-operations.html +++ b/include/workflow-amp-operations.html @@ -2,73 +2,161 @@

Overview of Operations

- + - + - + - + - + - +
Session > Open Video
Session > Open Video… Add/replace a video to/on the timeline
Window > View Monitor
Window > Video Monitor Open/close external video monitor window
View > Video Monitor > …
View > Video Monitor > … Various settings of the video monitor
Session > Export > Video
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'
Context-menu on the video-timeline: Lock Prevent accidental drags
Audio region context menu: Position > Lock to video
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

+

Adding a 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.

+ +

Launching the video server (optionnal)

+ +
+ The Launch Video Server dialog +
+ The Launch Video Server dialog +
+
+

- The first step is rather straight-forward. The panel on the right side + 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. +

+ +

Selecting a file

+ +
+ The video open dialog +
+ The video open dialog +
+
+ +

+ 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: + It is also useful to check if the video format/codec is supported.

-video-open-dialog

- The second step analyzes the video file in more detail and offers import options: + The lower part of the window shows some options: +

+ + +

Import options

+ +
+ The Transcode/Import Video dialog +
+ The Transcode/Import Video dialog +
+
+ +

+ This step analyzes the video file in more detail and offers import options:

- + - + machine) by using the Output File: field. + - + in a good format/codec for Ardour). Should be used with care. +
Import/Transcode to Session
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).
Reference from Current Location
Reference from Current Location (Previously Transcoded + Files Only) Only useful for opening files that were previously encoded (are already - in a good format/codec). Use with care.
Do not Import Video
Do not Import Video (Audio Import Only) Useful for extracting audio only.
-Video Import Dialog -

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.
+ 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 + 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.) + 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.

Working with A/V

- 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 Video Timeline +
+ The Video Timeline +
+
+ +

+ 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.

-Video Timeline

Exporting Video

+ +
+ The Video Export Dialog +
+ The Video Export Dialog +
+
+

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 @@ -79,7 +167,7 @@ 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. + 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 @@ -94,22 +182,22 @@

- The file format is determined by the extension that you choose for it - (.avi, .mov, .flv, .ogv, .webm,…) + 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, use one of the built-in - presets. + be used with ac3 audio-codec, etc. If in doubt, one of the built-in + presets should be used.

-Video Export Dialog -

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. + 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.

-