[Libav-user] Cinelerra ffmpeg requests

Good Guy good1.2guy at gmail.com
Fri Apr 8 16:52:05 CEST 2016

Outstanding Issues with ffmpeg: There are some problems that need to be
addressed by the ffmpeg developer group that adversely affect Cinelerra.
These are stated below with the hopes that tha group will fix them as time

1) Make all the default parameters operational. When they are not, the
Cinelerra plugins can't be initialized since the initial state of the
filter is not operational. If that is not possible, then provide a set of
nominal parameters for each plugin, so that they can be used as the plugins
initial default state.

2) Make the filter config function project the new parameter data into the
filter function at any point during filter operation. This is so that
continuous updates can be done as the plugin operates.

3) Improve seek codec restarts. The past predictor must be reset or
reconstructed after a seek.  The only documented way to seek is
open/seek/play. Reopening the format layer is very expensive.

FFMPEG has been a tremendous boost to the cinelerra development.  Thank you
all for your fantastic efffort.  It is greatly appreciated.

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