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FILE MANAGEMENT

At times you may find it useful to be able to quickly access the various files associated with the current session. The links at right on the Session page under the heading Browse provide access to default session folders. Clicking one of these links (or selecting it with the up/down arrow keys and pressing Enter) opens a system file explorer.

You can use the familiar features and shortcut keystrokes in these windows (Cut, Copy, Paste, Rename, Delete and so-on) to manage session assets.

Tip: Of course, you can open several of these folders simultaneously, and navigate these file windows to other locations as well. For example, you might copy files from one session into a folder for another.

Several other important features are found here, including Import Media and Export Media as discussed next.

IMPORT MEDIA

Clicking the Import Media link opens a custom import panel offering batch import of files for use in 3Play’s CLIP LIST and PLAY LIST. It even allows you to transcode files to appropriate high quality 3Play-friendly file formats at the same time if you wish.

Import Media’s quick processing makes this the fastest and most convenient way to prepare production assets for a session. Click Add to open a standard system file window, and select (or multi-select) items to build a list in the Import Media file pane.

Some highly compressed video files may not be well suited to live playback. Enable switches in the Transcode column for files you wish to convert to a friendlier format on import. Files can be re-ordered by dragging their entries up or down with the mouse, or removed from the list by highlighting them and clicking Remove.

Once the batch import list is prepared, click Import to complete the operation. Files are processed quickly, and are automatically added to Import folders properly located according to type for easy access in different modules as required during live production.

Note: Sections 11.1.5, B.4.2 and B.4.3 discuss other aspects of importing media files.

EXPORT MEDIA

Clicking the Export Media link opens a new panel - Figure 57.

The Export Media module allows you to create a list of video clips for export, even selecting a new file format for individual exports to be converted to and designating where to send them.

Click the Add button at upper left to open a special Media Browser which shows clips you have marked in the session, including their Memo field comments.

Use this pane to locate and select (or multi-select) video clips for export, choosing from the CLIP LIST entries for the current session (see Section 11.1.5 for browser details). Multi-clip selections are supported.

Tip: The Export Media panel can be resized by dragging its edges or corners with the mouse.

After selection, click OK to add the clips you chose to the Export Media file pane. The file pane is much like a spreadsheet table, listing all files in the current export batch in its first column, then the current settings for each file in other columns on the same row. A Status column shows the current export status or progress for each file in the list.

TOOLS

Note that the Export Media file list pane also supports multi-selection. When a file (or group of files) is selected, you may use the Duplicate and Remove buttons at right to either clone or delete entries in the list.

The Duplicate feature is very useful for cases when you wish to export a file to multiple target file formats to be used for different purposes or in different applications.

The Clip Handles control is a numeric slider that allows you to pad the exported clips beyond the limits of their current in and out point (presuming the recorded frames to support this feature exist). This is often useful for post-production purposes (the value is in seconds.)

Tip: Once files have been added to the export list, you can multi-select using standard Shift-click or Ctrl-click techniques, then apply options to all selected files in one operation.

TARGET, PRESET & DESTINATION

Having prepared the file list, click the triangle button in the Target column to open a drop-down menu listing broad categories of export format presets you can choose. A similar Destination button opens a system file browser to let you designate (or create) a location for file output.

Each file to be exported can have its own Target, Preset and Destination settings. The export presets shown vary, according to what is appropriate for a given session format. Available export file formats are updated from time to time to include popular new formats. Here are some examples, as they appear for an HD session (formats and details subject to change):

Application

  • Adobe Premiere Pro® - high quality MPEG-2 Program Stream, full raster, 4:2:2 sub-sampling, variable bitrate (100 Mbps nominal).
  • Apple Final Cur Pro® (.mov) – very high quality M-JPEG encoding, full raster, 4:2:2 sub-sampling, high compatibility.
  • Grass Valley Edius® – high quality HD encoding, full raster, 4:2:0 sub-sampling, high bitrate (up to 100 Mb/s).
  • NewTek SpeedEDIT™ – high quality MPEG-2 Program Stream, full raster, 4:2:0 sub-sampling, variable bitrate (up to 100 Mb/s).
  • Sony Vegas® – high quality MPEG-2 Program Stream, full raster, 4:2:0 subsampling, variable bitrate (up to 100 Mb/s).

AVI

  • DV/DVCPro (.avi) – moderate quality, SD only (NTSC 720x480, PAL 720x576), 25Mbit/s, 4:1:1 (NTSC) or 4:1:0 (PAL) sub-sampling, very broad compatibility.
  • MJPEG (.avi) – moderate quality, SD or HD capable, 4:2:0 sub-sampling, broad compatibility.

DVD

  • (x) minutes (.mpg) – SD-only MPEG 2, quality presets up to 9MB/sec bitrate (≈60 minutes) with 4:2:2 sub-sampling.

Flash/Flash 9

  • A diverse collection of presets suitable for playback in newer or legacy Flash® players.

Mobile Devices

  • Presets suitable for use with Android™, iPad™, iPhone™ or iPod Touch™.

Quicktime

  • Renderless Conversion – high quality ‘wrapped’ Quicktime file.
  • DV/DVCPro (.mov) – moderate quality, SD only (NTSC 720x480, PAL 720x576), 25Mbit/s, 4:1:1 (NTSC) or 4:1:0 (PAL) sub-sampling, very broad compatibility.
  • h.264 Highest Quality (.mov)
  • h.264 Very Good (.mov)
  • MJPEG (.mov)

Same as Source – file copy (no re-rendering)

Video Server

  • Leightronix NEXUS\Ultra NEXUS – SD (NTSC 720x480, PAL 720x576), high quality, MPEG2 Program Stream, 9Mb/s variable bitrate, 4:2:2.
  • TelVUE Princeton – SD (NTSC 720x480, PAL 720x576), high quality MPEG2 Program Stream, 9Mb/s variable bitrate, 4:2:2, NTSC 720x480 (PAL 720x576).

Tip: The time an export takes is affected by numerous factors – the number, duration and resolution of the selected files, the speed of the device selected as target for the files, the designated format, and so on.

It is generally unwise to commence a file export shortly before a live event, since you cannot launch 3Play’s Replay Desktop during export. If necessary, you can cancel the current export operation.

Next, use the Destination field drop-down to designate a target folder for exported files to be sent. A progress gauge is shown during file processing. Click the Export button at the bottom of the dialogue to begin batch export processing.

Tip: It is possible to selected mapped network locations (with a drive letter assigned) as the Destination, saving time later.

FORMAT NOTES

When export presets that do not support HD are selected during an HD session, the clip is automatically scaled to fit the selected file format. This is a convenience, but be sure to select a preset suitable for your ultimate needs.

In a somewhat related matter, note that 3Play records files from external sources in their native formats – which may or may not match the session format. For example, an SD camera recorded by 3Play during an HD session is nevertheless recorded as SD. When exported, the recorded SD clip will export as SD.

Finally, note that clips you imported into a session are simply exported as-is (that is, without transcoding) if added to the file list in Export Media.

Section 5.3.1

For more information please download the entire document at new.tk/rt-m
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