Chronos > Chronos User Discussion

Output formats

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tesla500:
You can find some original files straight off the camera at the following link, the ones beginning with "vid_".

http://omeganaught.com/chronos_demos/

True RAW saving isn't supported yet, but that's coming soon. The main barrier is slow CPU access to the uncompressed video, the fast video pipeline is H264 encoder only at the moment.

rnone:

--- Quote from: tesla500 on June 08, 2017, 01:47:35 PM ---True RAW saving isn't supported yet, but that's coming soon. The main barrier is slow CPU access to the uncompressed video, the fast video pipeline is H264 encoder only at the moment.

--- End quote ---

BTW, the integrated H264 encoder does an impressive job in term of speed and ratio. Reprocessing file via ffmpeg on a fast quad-core machine is way slower and does not bring much improvement in term of space. Well done guys.

Camoit:

--- Quote from: tesla500 on June 08, 2017, 01:47:35 PM ---
True RAW saving isn't supported yet, but that's coming soon.

--- End quote ---

Very nice. My editing people will love you when that happens.

JamesB:
That said the files as of now are very good quality @ 39Mbits/sec give or take depending on the scene.  For 720p this is excellent and I have seen no MP4 artifacts anywhere even zoomed in besides noise in under exposed areas.  Color correction is easy and you can push it quite well in a 16bit composition in After Effects. 

That said it would be ideal if the camera saved Exif information on the clips themselves...  that saved the frame rate, shutter speed, gain and other values. Therefore it could help in recreating a specific look or shot in controlled situations. There is a lot of power in the camera and we are barely scratching the surface.  I agree the H.264 encoding is very fast, great implementation.

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