rewrap and clean up asciidoc structure (no content change)
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Lumiera Workflows
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=================
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:Author: Brian J.M. Rytel
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:Email: <tesla.drummer@gmail.com>
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:Date:
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:Date: July 2010
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:Revision: 2.1
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Lumiera Workflows
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-----------------
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----
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Considerations:
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-Technical
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-User
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----
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1.Requirements & Considerations
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(a)Ingest
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It seemed easiest to me to just go through chronologically
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i.Technical
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A.All ingest sources need a solid metadata structure, suggestions welcome:
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Media Type attributes (codec, frame mode/rate, aspect, color science/LUT)
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Clip Attributes (name, length, I/O, media I/O, bitrate, size
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Acquisition Attributes (Modified EXIF data, ie: format, frame mode/rate, aspect, resolution, ISO, f-stop, shutter speed focal length, color format, camera,)
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UID & Project/Sequence & Subclip & Render Reference
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Production Info (scene #, shot #, angle #, take rating, night/day, production name, DP, Camera Op, Director, set/location, date shot, actors/characters)
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B.Tape/Video Ingest
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1. Requirements & Considerations
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--------------------------------
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It seemed easiest to me to just go through the workflow chronologically
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=== (a) Ingest
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==== i.Technical
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All ingest sources need a solid metadata structure, suggestions welcome:
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- Media Type attributes (codec, frame mode/rate, aspect, color science/LUT)
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- Clip Attributes (name, length, I/O, media I/O, bitrate, size
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- Acquisition Attributes (Modified EXIF data, ie: format, frame mode/rate,
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aspect, resolution, ISO, f-stop, shutter speed focal length, color format,
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camera,)
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- UID & Project/Sequence & Subclip & Render Reference
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- Production Info (scene #, shot #, angle #, take rating, night/day, production
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name, DP, Camera Op, Director, set/location, date shot, actors/characters)
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===== Tape/Video Ingest
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Connect to capture system through back-end/modules/plug-in
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Deck-control needs to handle both Firewire (1394) and Serial (RS232, RS422, Sony, Panasonic, JVC) could be internal controller, but at least a timecode hand-off to a plug-in. Needs to be able to control decks in single frame increments with precise TC.
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C.Data Ingest
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Deck-control needs to handle both Firewire (1394) and Serial (RS232, RS422,
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Sony, Panasonic, JVC) could be internal controller, but at least a timecode
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hand-off to a plug-in. Needs to be able to control decks in single frame
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increments with precise TC.
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===== Data Ingest
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Extract/Write metadata to file module needed. Should parse files to make sure they're not corrupted
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ii.User
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A.Should we look into set metadata collection systems to see if modules to sync and copy that data to the clip is viable?
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B.The GUI Ingest element should be logical and convenient to use, and in my opinion should handle both tape-based logging-capturing and data ingest.
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(b)Edit
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i.Technical
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A.Video & Audio playback
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#1-Coding should handle at least 4k, 32-bit, 200+MB/s, selectable LUTs (?)
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==== ii.User
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- Should we look into set metadata collection systems to see if modules to sync
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and copy that data to the clip is viable?
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- The GUI Ingest element should be logical and convenient to use, and in my
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opinion should handle both tape-based logging-capturing and data ingest.
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=== (b) Edit
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==== i.Technical
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===== A. Video & Audio playback
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*Requirement-1*: Coding should handle at least 4k, 32-bit, 200+MB/s, selectable LUTs (?)
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Real-time of native codecs is important.
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Coding should handle in-sync minimum 8 audio tracks, 96kHz/24bit
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(2) Main media playback windows, clip selector & timeline output both should meet #1
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*Requirement-2*: Main media playback windows, clip selector & timeline output both should meet *Req-1*
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Live scope simulators, vector and waveform a must, 3d/wheel good choice
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Live playback TC readouts from playheads
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Compatibility for low-latency hardware output to video & audio devices, w/timecode, likely a hand-off but would latency is important.
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Integration to JACK, ALSA, or OSS would be ideal.
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Real-time (OpenGL?) rendering of simple filters
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Back-ground CPU rendering
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B.File Handling
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Other apps (FCP) are unable to or inconsistently work with updated media files mid-session, this is a back-end design concern.
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C.Project/Sequence Requirements
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Project 'bins', user-created bins, media filtering (ex: all video or everything in scene #1)
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Thumbnail & list views
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Drag & Drop of clips between bins, playback windows & timelines.
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File and directory import
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D.Timeline
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All the normal essentials
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*Requirement-3*: Compatibility for low-latency hardware output to video & audio devices,
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w/timecode, likely a hand-off but would latency is important.
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- Integration to JACK, ALSA, or OSS would be ideal.
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- Real-time (OpenGL?) rendering of simple filters
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- Background CPU rendering
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===== B. File Handling
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Other apps (FCP) are unable to or inconsistently work with updated media files
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mid-session, this is a back-end design concern.
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===== C. Project/Sequence Requirements
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- Project 'bins', user-created bins, media filtering (ex: all video or everything in scene #1)
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- Thumbnail & list views
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- Drag & Drop of clips between bins, playback windows & timelines.
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- File and directory import
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===== D. Timeline
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_All the normal essentials_
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Render indicators (needs render, RT) on clips and/or timeline
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Should be adjustable (frame mode/rate, would require script to translate old TC numbers to new timebase)
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I recommend that the timeline video format setting be the “box” and clips “fill in” the box. FCP for example does weird things to the clips when you change the resolution/aspect of the sequence. Further it would make sense to have options in the sequence for how to handle non-native resolutions and aspect ratios (stretch, scale w/boxes, leave alone)
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We have Track Nesting, but we need to have some way to gang sync/lock video with its audio track so both are cut and move simultaneously.
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Currently, NLEs all use vertical, additive layering. We should work on including the ability to “flowchart” tracks (AE's pick-whip) like a compositor would, and change the “blend” modes.
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I recommend that the timeline video format setting be the “box” and clips “fill
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in” the box. FCP for example does weird things to the clips when you change the
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resolution/aspect of the sequence. Further it would make sense to have options
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in the sequence for how to handle non-native resolutions and aspect ratios
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(stretch, scale w/boxes, leave alone)
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We have Track Nesting, but we need to have some way to gang sync/lock video with
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its audio track so both are cut and move simultaneously.
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Currently, NLEs all use vertical, additive layering. We should work on including
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the ability to “flowchart” tracks (AE's pick-whip) like a compositor would, and
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change the “blend” modes.
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Draw-on automation/keyframes & editing for both video & audio tracks.
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B.Misc
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We need to have accessible, easily scriptable FX/Filter menus for clips, all NLEs throw a tab into the clip selector pain.
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Whole app should be multi-core aware, especially any rendering engines.
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Needs to work on multiple monitors
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ii.User
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A.The 6 things an editor thinks about at work:
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The clips in the bin
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Timeline
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Timeline output
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The edit tools
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Transitions
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Filters/FX
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B.Features that make life better
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Edit review/edit on the fly (Avid)
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Quick Transitions (1-2 key/click transitions)
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Match-frame
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Media Search
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(b)Export/Finishing
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i.Technical
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A.EDL export
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Should export all major EDL formats
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B.XML
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We should look into something along the lines of the Apple XML, so that the project could be passed to XML compliant programs
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C.Media Export
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Need to build a module that will render project and possibly re-encode it as well, but that could be a hand-off
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D.Tape Export
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Essentially the reverse of the Ingest issue, must pass frame accurate deck control and fully synced audio/video.
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E.Finishing
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I'm not sure if they plan to integrate color grading/finishing into Lumiera at some point but if not we need to look into compatibility for those applications.
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ii.User
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A.EDL/XML Export
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We need to leave the workflow that passes on lists in standardized forms. These also need to be easy enough to use without some application console script.
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B.Media Export
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Whether handled internally or externally we need to build an interface to make this seamless and intuitive, my favorite exporter is Premiere's which will render the output with any given setting.
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C.Tape Export
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Should be able to handle both straight lay-off and “edit-to-tape”.
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2.Types of Workflows
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(a)Film
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i.Captured Film-TK-Sound Sync
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ii.Ingest-NLE-
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iii.(3) Possible output formats
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A.EDL-Optical Print+Neg Cutting
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B.DI (Either new or oringinal TK)-Film
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C.DI (Either new or oringinal TK)-Video/Media
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===== E. Misc
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- We need to have accessible, easily scriptable FX/Filter menus for clips, all
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NLEs throw a tab into the clip selector pain.
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- Whole app should be multi-core aware, especially any rendering engines.
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- Needs to work on multiple monitors
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==== ii.User
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===== A. The 6 things an editor thinks about at work:
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- The clips in the bin
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- Timeline
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- Timeline output
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- The edit tools
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- Transitions
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- Filters/FX
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===== B.Features that make life better
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- Edit review/edit on the fly (Avid)
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- Quick Transitions (1-2 key/click transitions)
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- Match-frame
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- Media Search
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=== (c) Export/Finishing
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==== i.Technical
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EDL export::
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Should export all major EDL formats
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XML::
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We should look into something along the lines of the Apple XML, so that the
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project could be passed to XML compliant programs
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Media Export::
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Need to build a module that will render project and possibly re-encode it as
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well, but that could be a hand-off
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Tape Export::
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Essentially the reverse of the Ingest issue, must pass frame accurate deck
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control and fully synced audio/video.
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Finishing::
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I'm not sure if they plan to integrate color grading/finishing into Lumiera at
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some point but if not we need to look into compatibility for those
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applications.
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==== ii.User
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EDL/XML Export::
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We need to leave the workflow that passes on lists in standardized forms.
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These also need to be easy enough to use without some application console
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script.
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Media Export::
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Whether handled internally or externally we need to build an interface to make
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this seamless and intuitive, my favorite exporter is Premiere's which will
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render the output with any given setting.
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Tape Export::
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Should be able to handle both straight lay-off and “edit-to-tape”.
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2. Types of Workflows
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---------------------
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=== (a) Film
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. Captured Film-TK-Sound Sync
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. Ingest-NLE-
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. (3) Possible output formats
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.. EDL-Optical Print+Neg Cutting
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.. DI (Either new or oringinal TK)-Film
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.. DI (Either new or oringinal TK)-Video/Media
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