YUV422 out put with HDMI

[takashitakahash]

Hi community.

Our partner has question.

Would you please teach me  how to set the data.

For H.264 (YCrCb420) video data is output from the HDMI as a YUV422.

what can be realized as performing any processing.

[CommunityBot · Accepted solution]

This an automatic process.

We are marking this post as solved, due to the either low activity or any reply marked as correct.

If you have additional questions, please create a new post and reference to this closed post.

NXP Community!

[YixingKong]

Takashi-san

We are sorry for the delay. This support request has been assigned to AE team. If you do not se response in 3 days, please contact me again.

Thanks,

Yixnig

[saurabh206]

Hi,

You can do YUV420 to YUV422 conversion using IPU.

Thanks

Saurabh

[takashitakahash]

Hi

Thank you for your replay.

I understand the IPU can be converted  YcrCb 4:02 to YUV422 possible.

Pleased to advice on how to convert and what register setting with HDMI.

[qiang_li-mpu_se]

Hi Takashi, you can run the followed command to switch HDMI output between YUV and RGB format:

// Switch to YUV output mode

$ echo 0 > /sys/devices/platform/mxc_hdmi/rgb_out_enable

// Switch to RGB output mode

$ echo 1 > /sys/devices/platform/mxc_hdmi/rgb_out_enable