BT.709 format in i.MX 6Dual.

[keitanagashima]

Dear Sir or Madam,

Hello.

Is it possible to support the output of BT.709 format in i.MX 6Dual.

(BT.709 looks like a BT.1120 with HSYNC、VSYNC、Field SYNC)

Best Regards,

Keita

[igorpadykov · Accepted solution]

Hi Keita

yes in theory i.MX6 IPU hardware can support it, since it can output B1120

and it complies with BT709, from ITU-R BT.1120 sect.1.1 Coding characteristics:

The signals to be digitized should comply with the characteristics described in

Recommendation ITU-R BT.709, Part 1.

https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.1120-4-200305-S!!PDF-E.pdf

Freescale provided community patch where HSYNC、VSYNC are already available

on pads:

Patch to Support BT656 and BT1120 Output For i.MX6 BSP

	IPU1_DI0_PIN2 connected to adv7391 HSYNC pin. (option)
	IPU1_DI0_PIN4 connected to adv7391 VSYNC pin. (option)

For "Field SYNC" signal seems IPU microcode should be modified,

I think you can request this from author on link above.

Best regards

igor

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