[Libav-user] need help with format/codec/options configuration data
good1.2guy at gmail.com
Tue Apr 14 16:00:55 CEST 2015
I have done extensive work on cinelerra, a media composing tool, and
recently upgraded its ffmpeg interface. The change now provides the use of
the encoders using a primitive options parsing schema. I do work with
codecs/stream formats... but not like you guys. This is not set is stone
but the current implementation asks the user to select preset file for
audio/video stream coding. The first line is a format codec pair, where
the format must match. There in lies the rub. My knowledge of the
historical use of formats and codecs is limited. I need a big list of the
mainly used combinations that user may want to use so I can add them to the
preset file directories.
here are a few examples which are simple test files.
the lines starting with = are files in the preset directory
# apply at file open
# apply at init decode
# apply at init encode
the first line of these files are format/codec names
the rest of the lines are options for the codec.
I suspect there are some of you that have hoards of cool command
line stashes which would solve my problem. If you are so inclined,
send my your recommendations.
The code is just checked in and not well tested yet,
but if your of intrepid heart, you can try it here:
git clone https://code.google.com/p/cinelerra
Be sure to go to the settings->preferences page and
check ffmpeg early probe, or you will get the old stuff.
If you want to send in bugs, turn on the segv/intr traps too.
This code is new and not really quite dialed in. Any suggestions
would be helpful.
Thanks for your attention.
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