On 5/1/2022 10:27 PM, Alexander Solonsky via ffmpeg-user wrote:
I'm trying to split an input file into 2 second chunks, transcode and
assemble using a concat muxer.
I hate to question the question, but what's the purpose of this process?
Generally speaking, you're better off transcoding in a single pass. If that
process is too slow, can you use hardware to accelerate the process? Cutting
into 2-second chunks to recode seems like a poor approach.
If you really want to recode chunks, which may have their own issues when
concatenated together, decode the entire stream and select chunks from the
uncompressed data.
Later,
z!
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