Interlaced...Compressor won't do progressive

[whoisquilty]

I've captured and compressed footage twice. Both times, I've set Compressor to Progressive when compressing. But it comes out interlaced. Viewing this on my 1080p set, it shows horizontal scan lines.

What on earth am I doing wrong?!

[tomlee59]

What deinterlace settings did you use? And what is the source video (I'm assuming DV, which is interlaced, but you didn't provide much info in your post besides "it's not doing what I want it to")?

[whoisquilty]

That's pretty much my question.

So, how do I capture deinterlaced video?

My hard drive crashed and I lost everything. So, my settings are back to the factory default.

[jagabo]

The compressor's job isn't to deinterlace (although some have this option). When you select progressive or interlaced in a compressor it only effects how the video is handled internally. If you give it interlaced frames and tell it to compress progressive, you still get interlaced frames as output, but the chroma channels are messed up (with YV12 codecs anyway).

If you want deinterlaced video you have to explicitly deinterlace it. I can't help you on the Mac though.

[whoisquilty]

So, if capturing in FCP, how do I capture video that is not interlaced?

[edDV]

So, if capturing in FCP, how do I capture video that is not interlaced?

What is your source?
FCP can capture from some progressive cameras. We need to know exactly your source camera or file format.

[whoisquilty]

I'm sorry. I'm just not giving enough information for anyone to help me, am I?

My goal is transfer VHS to DVD. I'm using a VHS player with a Canopus ADVC-100. For software, I'm using FCP and then Compressor.

It sounds to me like Compressor isn't the problem, and that it's potentially FCP.

As my settings were all lost when my hard drive crashed earlier in the summer, I can't figure out what is different that it's giving me this much trouble.

When I view the QT .mov file that FCP creates, it doesn't look interlaced. It's fine.

That being said, why is this a problem? I've got many DVDs that I play on my Blu-Ray player, which upconverts. I don't understand why this is a problem with a disc that I'm making using the software that I'm using.

[jagabo]

My goal is transfer VHS to DVD. I'm using a VHS player with a Canopus ADVC-100. For software, I'm using FCP and then Compressor.

It sounds to me like Compressor isn't the problem, and that it's potentially FCP.

I don't use FCP but normally, capturing DV (from the ADVC-100 or a DV camcorder) involves simply putting the raw DV data from the device into a file -- without otherwise altering it. DV is usually interlaced so you will have interlaced video in your file. If you need to deinterlace you usually do this as a separate step later on, often along with MPEG compression.

When I view the QT .mov file that FCP creates, it doesn't look interlaced. It's fine.

Players often deinterlace on-the-fly because they know people don't like seeing comb artifacts.

That being said, why is this a problem? I've got many DVDs that I play on my Blu-Ray player, which upconverts. I don't understand why this is a problem with a disc that I'm making using the software that I'm using.

Generally, if your source is interlaced you want to keep it that way on DVD. Deinterlacing will cut the temporal resolution in half and may cut spacial resolution in half too. If you you convert properly (keeping the video interlaced and making sure the interlace status flags are maintained throughout the process) the DVD player or TV will deinterlace during playback.

[whoisquilty]

The only thing that's changed is that my settings were wiped out.

I've checked previous discs that I made from VHS with the same equipment. They are fine.

So, I'm only getting comb artifacts on the two discs I'm working on right now. I don't recall changing any capture settings in FCP. I've never deinterlaced files as an extra step.

The only conscious change I've ever made is selecting "progressive" in Compressor.

Do you know what I might need to change to eliminate the combing?

[jagabo]

The only conscious change I've ever made is selecting "progressive" in Compressor.

That may be your problem. What other choices do you have there? DV is interlaced and the field order is bottom field first (as opposed to top field first). Some programs use different terminology for field order, even/odd, a/b, etc.

[whoisquilty]

That seems to have done it. I had been using progressive because it seems to compress faster.

[jagabo]

Congratulations!