QT: Poor video quality for gradients when Motion JPEG A/B codec used.

Hello,
I have a problem using the Quicktime (7.6) and the Motion JPEG A/B codec.
My workflow is as follows:
1. Create animation with Quartz Composer. This animation should use gradients from dark red to white.
2. Export the animation as Quicktime film (MOV), set full HD (1920x1080), duration e.g. 2 minutes.
3. Open exported MOV with Quicktime(Pro)
4. Export again to Quicktime film, now choose Motion JPEG A for codec, set quality to best.
5. Check the exported film. The gradient is not smooth, I see bright and dark lines. The quality of the gradient is poor.
I checked the other codecs. When I use "Animation" then the gradient is smooth and beauty.
Unfortunately I have to use Motion JPEG codec due to customer requirements.
Does anybody have an idea, how I can improve the quality? Maybe internal QT settings? Other external Motion JPEG codec ?
Thanks in advance
LeKarmar

Hello QuickTimeKirk,
Thank you for your reply.
I need Motion JPEG A/B or PhotoJPEG This is my "final distribution format" required by the customer.
I have problems not only with the red color. Even using grey, blue or yellow gradients produces bad output.
You're right. Animation codec produces what I will accept and want, but the files are huge sized and my customer doesn't accept this format.
Please note, that I already set the high quality playback setting in Quicktime.
Regards
LeKarmar
Message was edited by: LeKarmar

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