[FFmpeg-user] Update FLV metadata during ffmpeg encoding

hahardier hahardier at gmail.com
Tue Feb 23 00:19:50 CET 2016

I am wondering, can I get updated FLV metadata (duration, file size, etc.)
for each new frame encoded during ffmpeg encoding process? It seems before
the encoding ends, all those fields are 0. Is there a specific ffmpeg
command for this?

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