error: output DMA task timeout

[akk1]

Dear all,

i am using imx6 ul evk.

I want to use hardware asrc on imx board to convert sampling rate of decoded bit streams into one.

The input to ASRC is pcm array.

when i execute , it shows following error and did not generate any output :

output DMA task timeout

fsl-asrc 2034000.asrc: Pair A: failed to process buffer: -62

kindly help me to resolve this issue.

Thanks.

[igorpadykov]

Hi akk

seems one will have custom application for such task, refer to

sect.30.2.1 Sequence for Memory to ASRC to Memory attached Linux Manual.

Currently implemented only Sequence for Memory to ASRC to Peripheral, as

described in sect.30.2.2

Best regards

igor

-----------------------------------------------------------------------------------------------------------------------

Note: If this post answers your question, please click the Correct Answer button. Thank you!

-----------------------------------------------------------------------------------------------------------------------

[phanikumar]

Hi igor, do you know any sample code implementation of hardware asrc in imx6ul for two simultaneous conversions. For example, I want to convert 5 channels  from sampling rates 44100 Hz to 48000 Hz. Another 5 channels for 48000 Hz to 96000 Hz. As far as I know there are atmost 10 channels with three simultaneous pair conversions are possible in imx6ul. Thanks in advance.

[JulienP]

Hi,

A few years after, have you resolved your issue ? I am running into the exact same one.

Thanks,

Julien.