Edit your compressor dvd preset.
You must use the resize filter in frame controls.
It will give you descent SD quality.
But it still will suck on a HD screen.
Hdv to dvd played on HD screen= no go.
Explain to your client politely that he will regret this.
Hdv. Just dont.
Blu ray is already encoded source.
Converted to Hdv long gop compression.
Some people never learn.