[FFmpeg-devel] [PATCH 7/7] lavf/mxfdec: add -field_rate option

Michael Niedermayer michaelni at gmx.at
Thu Mar 28 16:37:10 CET 2013

On Thu, Mar 28, 2013 at 03:41:51PM +0100, Matthieu Bouron wrote:
> Interpret sample rate as field rate for j2k codec with separate fields
> or segmented frame layout.
> This option is required to obtain a correct frame rate since S422M
> specifies that the track sample rate could either be the frame rate
> or the field rate for separate field layout.

> For segmented frame layout, the track sample rate is supposed to be the
> frame rate however some sample seems to use it as the field rate.

are you sure theres no way to distingish them automatically ?
file duration fields?
encoder name?
muxer name?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The greatest way to live with honor in this world is to be what we pretend
to be. -- Socrates
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