[Libav-user] Writing 16bit greyscale videos
Carl Eugen Hoyos
ceffmpeg at gmail.com
Mon Aug 29 13:17:16 EEST 2016
2016-08-29 10:59 GMT+02:00 Masneri, Stefano <stefano.masneri at brain.mpg.de>:
> I have a small class that creates an h264 video from a set of input images.
> I have some problems trying to write 16 bit input images: Conversion to
> yuv420p format loses 8 bit of precision, and apparently x264 does not
> support encoding 16 bit greyscale data.
H.264 does not support more than 14bit, x264 does not support more than
> Do you know of a codec that supports encoding a video using
> AV_PIX_FMT_GRAY16BE pixel format (or anything similar)?
jpegls, png, tiff, dpx, sgi, ffvhuff, ffv1 (all lossless)
Jpeg2000, but FFmpeg needs the external library libopenjpeg for encoding
gray16 (lossy or lossless)
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