Comments (7)
Is it consistent if you stop recording? I could imagine, that the reported number is anything but a good indicator for the currently number of recorded frames. In any case, there isn't much magic going on, when reading that number.
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Then it is consistent, you are right. However, the value which you get after you stop recording is still less then what was really recorded. For example I acquired in sequence record mode and waited until the camera buffer was filled. Then it stopped recording itself, but gave 0 recorded frames. to illustrate this in a simpler manner when I stop the camera:
dimax > camera.start_recording()
dimax > camera.recorded_frames
<Quantity(0, 'dimensionless')>
dimax > camera.recorded_frames
<Quantity(0, 'dimensionless')>
dimax > trigger.on()
dimax > trigger.off()
dimax > camera.recorded_frames
<Quantity(193, 'dimensionless')>
dimax > camera.recorded_frames
<Quantity(126, 'dimensionless')>
dimax > camera.recorded_frames
<Quantity(0, 'dimensionless')>
dimax > camera.stop_recording()
dimax > camera.recorded_frames
<Quantity(0, 'dimensionless')>
So now I neither know how many frames I recorded neither can I read out the full buffer with Concert if num_frames
is None
, i.e. I want to read out everything.
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OK I could just read out until I get an exception from camera, but that's a dirty workaround.
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I also noticed the value in recorded frames is one too many. E.g. if the camera tells you n
you can actually read n - 1
images. Is that normal behavior for PCO?
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FYI: to stop dropping frames, camera.storage_mode
must be set to RECORDER
and not FIFO_BUFFER
.
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Thanks, I will try.
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Yeah it works.
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