Ciao!
At today's meeting we discussed about bug #967.
http://bugs.cinelerra.org/ticket/967
It's about imagelists not played back correctly when the framerate of
the imagelist is different from the project framerate (an usecase quite
common in stop-motion animation).
I confirm this bug it is not specific to framelists and it can be
reproduced with video too.
Steps to reproduce:
- Open Cinelerra
- Create a new project (resolution: 640x480, framerate: 25fps)
- Download the 5fps test video I prepared:
http://g-raffa.eu/Pastebin/5fps.mov (460 KB)
- Load it in Cinelerra
- Press arrow key down till you can see the timeline frame by frame.
- Observe the first image and the last one.
Since we have a 5fps clip in a 25fps project every frame of the clip is
expected to last 5 project frames.
In fact the first clip frame is only 3 project frames long.
The two missing frames are added at the end of the clip: the last clip
frame lasts 7 project frames.
I have the same result if I load a 25fps clip and change its framerate
inside Cinelerra.
Steps to reproduce:
- Open Cinelerra
- Create a new project (resolution: 640x480, framerate: 25fps)
- Download the 25fps test video I prepared:
http://g-raffa.eu/Pastebin/25fps.mov (460 KB)
- Load it in Cinelerra
- Go to the Media tab of the Resources window and right on the clip icon
to open a popup menu.
- Select Info….
- Edit the Framerate field by opening the dropdown menu with preset
values (clicking on the arrow) or by directly entering the number "5".
- Click OK.
- Press arrow key down till you can see the timeline frame by frame.
- Observe the first image and the last one.
Ciao!
Raffaella
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