Pulling several MP4s into one MP4 at DVinfo.net

Harry Simpson · February 28th, 2011, 09:05 AM

I had a project that consisted of 6 parts to a 60 min or so panel discussion I shot with my 5D Mk2.
I synced the sound with DualEyes and then produced an MP4 for each of the 6 segments.

I then needed to create the large All 6 files MP4. I thought about trying to copy all the segment timelines from each of the 6 projects into one but saw that I could effectively pull the MP4s onto the ALL project's timeline and I rendered it to the same format it was already in and produced one 2.6 GB file. I looked at it in the player and I can't tell any degradation in quality at all. Couple of questions:

1. Am I right that this is an acceptable means of joining several MP4s together into one?

2. And maybe a whole other thread question: What sites, YouTube, Vimeo (I'm a PRO member) or other allow for a video of this size to be uploaded?? Are there other sites that are more lenient of larger videos?

TIA
Harry

Stan Harkleroad · February 28th, 2011, 10:25 AM

Do you still have the original projects saved? If so just drag each finished project file onto the timeline and render as a single file. The way you're doing it works but when you re-compress there is always going to be some loss in quality, even if you don't notice it.

Harry Simpson · March 1st, 2011, 07:38 AM

I went ahead and did that and after an all night render it actually produces a smaller file too.

February 28th, 2011, 09:05 AM	#1
Harry Simpson Major Player Join Date: Aug 2009 Location: Nashville, TN. Posts: 581	Pulling several MP4s into one MP4 I had a project that consisted of 6 parts to a 60 min or so panel discussion I shot with my 5D Mk2. I synced the sound with DualEyes and then produced an MP4 for each of the 6 segments. I then needed to create the large All 6 files MP4. I thought about trying to copy all the segment timelines from each of the 6 projects into one but saw that I could effectively pull the MP4s onto the ALL project's timeline and I rendered it to the same format it was already in and produced one 2.6 GB file. I looked at it in the player and I can't tell any degradation in quality at all. Couple of questions: 1. Am I right that this is an acceptable means of joining several MP4s together into one? 2. And maybe a whole other thread question: What sites, YouTube, Vimeo (I'm a PRO member) or other allow for a video of this size to be uploaded?? Are there other sites that are more lenient of larger videos? TIA Harry __________________ Nashville TN using Canon 5D MK3, Canon 550D, RODE SVM mic, 70-200 f2.8L II IS, 24-105 f4L IS, 50 and 85 f/1.8, Vegas Pro 11, Zoom H4n, Blackbird, Lilliput Monitor, Lightroom

February 28th, 2011, 10:25 AM	#2
Stan Harkleroad Regular Crew Join Date: Jan 2009 Location: Gautier, MS Posts: 175	Re: Pulling several MP4s into one MP4 Do you still have the original projects saved? If so just drag each finished project file onto the timeline and render as a single file. The way you're doing it works but when you re-compress there is always going to be some loss in quality, even if you don't notice it.

March 1st, 2011, 07:38 AM	#3
Harry Simpson Major Player Join Date: Aug 2009 Location: Nashville, TN. Posts: 581	Re: Pulling several MP4s into one MP4 I went ahead and did that and after an all night render it actually produces a smaller file too. __________________ Nashville TN using Canon 5D MK3, Canon 550D, RODE SVM mic, 70-200 f2.8L II IS, 24-105 f4L IS, 50 and 85 f/1.8, Vegas Pro 11, Zoom H4n, Blackbird, Lilliput Monitor, Lightroom