Patrick Cooper
Forum Replies Created
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Correct – 1080 25p is not supported by Bluray. Though I do not want to burn a Bluray for these particular projects. I want to create video files for stock footage. And it appears that these days, most clients of stock footage prefer progressive footage over interlaced (especially with regards to HD footage.)
I do have a copy of Adobe Premiere Elements that I haven’t registered yet. I’ll see if that software allows exporting to 1080p.
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I solved the problem. And it looks like I was right with my original theory – it’s the shifting of the tracks (after doing the green screen adjustments) that causes the problem. So what I had to do was start entirely from scratch with a new project, utilising the same footage. I took note of the start and end points of the individual clips when I trimmed them in the trimmer, then brought them on to the timeline as separate tracks and adjusted the green screen settings. I then moved one track back and forth to get the timing right (for the actions that occur in the two tracks.) When I was happy with the timing, I took note of the frame positions for both tracks (first and last frames) on the timeline and recorded the info into a word document along with the trimmer cut positions.
I then started a new project, opened the same clips in the trimmer and made sure that they were cut at exactly the same positions as in the previous project. I then brought them into the timeline and positioned them exactly the same as last time (according to the first and last frame numbers that I had recorded.) The very last step was the adjustment of the green screen settings (low and high threshold.) So basically a reversed order of doing things. When I rendered the video, the end result was perfect – no more problems.
Yes, it was a lot of extra work but it was the only way that I could figure out how to do this without the green showing through at random intervals, creating that annoying green flicker. From my previous experiences with green screen in Sony Movie Studio, if you move one or two tracks by a very small amount after adjusting the chroma key settings, this causes no issue. If you move a track a considerable distance in relation to the other track, this creates a problem. It might be invisible when you play the tracks together on the timeline but it will be evident during the rendering and the finished video.
Well finally, there was success at the end. Here’s the completed video:
https://www.youtube.com/watch?v=zILAKW4aM0c
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Ah Ive since closed Sony Movie Studio and didn’t save the changes. Later on, I opened it up again and did the same thing again (replaced events) and everything was normal. No black events that I could see. However, I didn’t check the whole timeline. I only checked several events down from the replaced event. Maybe I should examine the entire timeline just in case.
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Ive just had another look at the timeline and with regards to the event that is black, the Event FX symbol on that event is not highlighted. So I guess that rules out any video effects being somehow applied to the event.
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My source material is 1080 25p. I haven’t tried the BluRay or AVCHD templates.
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George, I’m not sure if they’ll accept a DNxHD codec and I’m not familiar with that.
Eric, as I have found out through my experimenting, a lot of the settings in the templates are indeed set in stone. Ive found that I can change very little when I try and customise them. If I recall, I may have had some success in changing the bitrate but if I try and change the frame rate (fps), Sony Movie Studio returns an error and refuses to render the video. That’s with two templates that Ive tried to modify. I guess I could try customising some other templates and see if I have any success with them.
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Eric, this film festival does accept MP4. They also accept MOV files as well. Unfortunately, with my copy of Sony Movie Studio Platinum 12, there is no 1080 25p option in the Main Concept or Sony AVC templates. In the Main Concept AVC / AAC templates, there are two 1080p options that I can see (Sony Tablet 1080p and Internet HD 1080p) but they are both 29p – not 25p. And the bit rates are really low too. Sony AVC / MVC does come close with a 1920 x 1080 24p option. Okay, I guess I could stick with 50i. Yea I have heard about the potential jerkiness in 25p footage but I never noticed any when playing video directly from my cameras.
For this film festival, I could submit a 1080 50i file (looks like I don’t have much choice anyway.) However, I can’t find an MP4 1080 50i template, even within the Main Concept or Sony AVC offerings.
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Rick, what I wanted was 25p, hence the title of the opening post. P stands for progressive. Yes 50i is 25fps but it is interlaced. That’s fine if you want to put your films on a Blu-Ray disc but for me, I would like to play my films on a modern tv from a connected usb drive and have the very best quality possible (progressive displays the whole picture at once whereas interlaced will give you half a picture at any one time.) Additionally, the film festival that I am submitting my film to next month does not accept Blu-Ray discs. I have discovered a 1440 x 1080 25p template on Sony Movie Studio but it produces a wmv file and the bit rate is shockingly low – I don’t think it would look all that great on a big screen at a festival. And my TV doesn’t recognise the file either. So that template is not a valid option.
Actually, there is one thing I’m unclear about. With a Blu-Ray disc containing 50i material, is it the Blu-Ray player or the TV that converts the video to progressive? If it is the TV that does the converting, would it do the same with 50i material played from a usb drive?
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By the way – the finished video runs for six seconds. It’s meant to run for about a minute.
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All the text is horizontal and sideways.
Here’s an example:
https://www.flickr.com/photos/dragonblade712003/22560868212/in/dateposted-public/
I used the ‘default’ font option.
This is the first time Ive added text to 16:9 footage. I don’t suppose the aspect ratio has anything to do with this weird behaviour?