How to use the input tab
Open input movieThe input tab is where you usually open the movie(s) for editing. You can clear the movie by clicking "Choose" then clicking "Cancel".
In most cases we need to know if the movie is interlaced (not progressive). Most video is interlaced, including most DV and MPEG2.
Look for the tell-tale comb structure at the edge of horizontally moving objects.
When you open a movie the default gamma according to QT is set in this field. You may enter another value if you know better.
You can crop the input in the "trim" section. If the preference "Use input clip" is set the clipping of the input movie defines the default trim.
If you do a multiple open in one of many ways (see "General") then this field shows the batch size. If you open a new input movie before
clicking OK any existing batch is cleared.
The quality of deinterlaced video is improved when stationary parts are not deinterlaced (avoiding vertical interpolation).
A slow feature that detects edges of moving objects and interpolates them in a special way.
A very fast and simple temporal noise filter. This works well for random point noise in static backgrounds.
Some movies have a regular pattern of repeated frames. For example, every 24th frame may be repeated to turn film frame rate into PAL frame rate. Or every 4th frame may be repeated to turn film into NTSC.
Flip horizontal reflects the image relative to the vertical axis (left<->right).
Flip vertical reflects the image relative to the horizontal axis (top<->bottom).
Flip vertical is only available if the input or the output is progressive (not interlaced).
Otherwise you have to do a change field dominance project (just to get the vertical flip done).
DV video is "bottom field first" meaning that the picture consisting of lines 2,4,6,...,480 of the video frames is 1/60
second earlier than the picture consisting of lines 1,3,5,...,479.
1080i HD video is top field first.
"Reinterlace chroma" solves a problem with interlaced YUV420. Check this if you still see interlace in red edges after deinterlace.
If you want to check the effect of the "reinterlace chroma" feature, convert to '2vuy' (bare project) with and without the option and compare edges of bright red fast moving objects (using a screen loupe).
"Range" is usually video range, except for Apple Component format and RGB-based formats like Animation.
"nclc" is a color encoding that includes a gamma value formally equal to 2.2 but which is really more like 2.0.
You can overrule the nclc assignment or only the gamma value.
The other nclc fields are "primaries" (the monitor phosphors for which the RGB encoding is intended) and the RGB->YCbCR matrix. These two fields only affect strongly saturated colors, which are rare in natural video.
All three standard nclc's (PAL,NTSC,HD) are very similar. The difference only affects strongly saturated colors.
You can have JES Deinterlacer treat a movie's chapters as a batch by checkmarking the little box.
The following three groups of controls (threshold, jaggies and noise) are coupled to adaptive deinterlace. Adaptive deinterlace is always used for standards conversion and is
the default for ordinary deinterlace.
The threshold determines how blocks of pixels are tested for equality. For clean video from a digital camera 300 is a good value. For noisy video use 600 or higher.
0 means "no adaptive deinterlace" (no stationary parts detected).
A high value is good for noisy video but may cause some interlace artifacts to persist.
Artifacts may occur in moving periodic image parts due to spurious block matches. You mave have to lower the threshold to about 200
to get rid of this.
Not all edges are found and rare artifacts may occur in certain regular patterns.
For filtering of other noise types try JES Video Cleaner.
You can have JES Deinterlacer skip these frames (movie duration is preserved).
Example: every frame is repeated due to import error. Set skip = true, skip every Nth = 2.
Caveat: this feature is not compatible with suspend/resume yet.