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Documentation on input formats and conversion #2
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Additional: There is also some documentation here: outdated, but might still contain usefull information: what should be supported:
source: |
Internally veejay processes all video data in digital YUV (YCbCR) and supports two pixel ranges:
The sampling from source is converted to 4:2:2 YUV planar before it is passed to the FX render chain. This is mostly a relic of the old days now as bandwidth and computing power have substantially increased.
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Close, continue under #76 |
Somewhere in the documentation, the exact input formats understood by veejay need be described. Mention that internal storage is yuv422, and give example command lines for conversion into respective formats using e.g. ffmpeg:
mjpeg:
ffmpeg -i input-file -vcodec mjpeg -pix_fmt yuvj422p -acodec pcm_s16le -ar 44100 -ac 2 output-file.avi
raw yuv422 (no audio):
ffmpeg -i out19.mp4 -vcodec rawvideo -pix_fmt yuv422p -acodec none test.avi
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