iMX8M Software H.264 Encoding Speed Not as Advertised

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iMX8M Software H.264 Encoding Speed Not as Advertised

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lane
Contributor I

The nxp website clearly states that the iMX8M can encode "1080p30 (h.264) - SW" (https://www.nxp.com/products/processors-and-microcontrollers/arm-processors/i.mx-applications-proces...

When we have tested this using the encoder in Android, however, we are only seeing 4 to 5 fps for 1080p encoding.

What are the conditions to get 1080p software encoding up to 30fps? Even if this is marketing specs, I would like to know all the caveats that need to be in place to achieve 30fps so that we can understand what we need to do to replicate this claim.

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debbie_jones
Contributor I

For the i.MX8M h.264 software encoding, with 720p video, can 30fps be achieved?

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joanxie
NXP TechSupport
NXP TechSupport

since 1080p up to 6.9, I don't think can support 720p@30fps, maybe 15fps

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joanxie
NXP TechSupport
NXP TechSupport

i.mx8M doesn't have hardware encoder, tested by software encoding(x264enc ), can get 1080p up to 6.91fps,

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