[Libav-user] H264 Packed RGB Decoding

Alan Daniels alan at softdrive.co
Fri Feb 7 18:45:03 EET 2020

> No but as Devin correctly explained the software scaler should not add a lot of latency compared to the 4:4:4 decoding.

Perhaps I am doing something wrong then. swscale always takes a long time for me:

 ~10 ms for GBRP -> BGRA

~30 ms for YUV420P -> BGRA

I haven't fully looked into minimizing decoder latency yet, though it varies from ~5-50 ms depending on content.

2560x1440 resolution.

- Alan
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