4
votes
0answers
373 views

Copying h.264 video from TS into MP4 changes frame rate and time

I have large MPEG-TS file that I am converting to MP4 using the below command. If I seek to the same time in the video in both the MP4 and the TS file, the MP4 will be a few frames behind the TS ...
4
votes
0answers
203 views

Is it possible in FFMPEG to change scale over time?

Ok, so using the overlay filter, one can change the x/y location of a video over time by using the "t" variable. For example, overlay=x='if(gte(t,2), -w+(t-2)*20, NAN)':y=0 can be used to start ...
3
votes
0answers
19 views

Is it possible to create a hybrid Dvd/Bluray?

I'm am doing a short Product demo for our company, intended as a give-away on Dvd (for the moment only burned Discs, no pressed ones). The whole filming and editing is done in 1080p and since the ...
3
votes
0answers
250 views

Embedded HD video looks fuzzy on full screen but fine at Vimeo

Any idea as to why an embedded HD video would get fuzzy at full screen, but looks fine at Vimeo using the same full screen icon. Using the full screen icon on the video player window on this ...
3
votes
0answers
83 views

Linux command-line option to do video lens correction?

Is there a Linux command-line option to do lens correction on videos? (Either as a tool, or a collection of tools) Specifically, GoPro videos? I know I can do correction in GoPro Studio, but I need ...
3
votes
0answers
99 views

Building smarter elements for Final Cut Pro X with Motion 5

Help me not look like an idiot who's schizophrenic about the date. I am producing a series of videos recorded at a monthly event. The client webcasts the event live and wants to raise awareness of ...
2
votes
0answers
9 views

Relationship between bit depth and dynamic range?

Is there a direct relationship between higher video bit depth (10-bit vs 8-bit, for example) and higher dynamic range, i.e. HDR? I'm somewhat confused regarding this particular aspect of bit depth. I ...
2
votes
0answers
20 views

ffmpeg reducing 60fps to 30fps, but file size is larger

I just did: ffmpeg -i inputfile -r 30 -vcodec libx264 -an -s hd480 output_30.mp4 and ffmpeg -i inputfile -vcodec libx264 -an -s hd480 output_60.mp4 on a 60fps file. Why is the second file 27 MB ...
2
votes
0answers
22 views

Adobe Encoder fps and duration doesn't match

I have After Effects project file 25 fps, 29 seconds duration long. After exporting i get 725 png files - looks normal so far. But then i merge it to mp4 using Adobe Encoder, I get total 24 seconds ...
2
votes
0answers
9 views

Pentax K-R AE-L auto exposure lock not working manual and auto lens

I noticed a problem with my Pentax K-R video where the film is very grainy - I assume this is because it shoots with a high ISO setting which is set automatically. So, I want to manually set the ISO ...
2
votes
0answers
20 views

Video transitions and filters - how to create custom ones?

I am wondering if there is a possibility to do custom video transitions or filters. Like the video spiraling out, little squares appearing, circling out or something like that. Wiping the video out ...
2
votes
0answers
32 views

FFmpeg pan filter and clipping

I have a file that has one video stream and one audio stream with 8 channels. I want to create a new file that will only contain the first 2 channels of the audio stream (no video). I can do this ...
2
votes
0answers
44 views

Organizing a Multicam Clip in Premiere

In Adobe Premiere Pro 2015, you cannot sub-clip a multi-camera source clip, which is a shame, because sub-clipping is the most useful way I've found in Premiere for organizing segments of an extended ...
2
votes
0answers
10 views

Sync Video to Audio in SonyVegasPro13 with multiple anchors

I have a sample recorded with half speed at 60fps (for better quality later on), which is my video track. Then I seperately recorded the audio track at normal speed. I imported the video track into ...
2
votes
0answers
147 views

Wobble/Wiggle effect in Adobe Premiere Pro CC

Is there a way to add a "wiggle" to a keyframable value in Adobe Premiere Pro (CC)? For example, if I wanted an image to jitter back and forth, I could apply such an effect to the rotation value. ...
2
votes
0answers
55 views

Reasons to use DNxHD instead of ProRes?

I often use ProRes or DNxHD codec without any thoughts, because the quality is very similar, even though the code and the compression algorithm certainly is very different. I would like to know in ...
2
votes
0answers
39 views

Can you edit Apple ProRes in iMovie '11?

I have an older Mac Pro, and I am not able to run Final Cut Pro X because of graphics card limitations. However, because I have it installed, it seems like the codecs are present that are required ...
2
votes
0answers
88 views

Determining original resolution of an upscaled digital image?

It is believed that anime is made at resolutions below 1080p. most anime are [made in 720p]. Very few anime series are produced in native 1080p. Yet if anime is sold on Blu-Ray, it is ...
2
votes
0answers
144 views

How to display static image if the input stream ends using ffmpeg?

I am receiving a stream over the network with the following ffmpeg command: ffmpeg -i rtmp://server:port/input.stream -f flv rtmp://server2:port/output.stream When the input stream stalls, I want ...
2
votes
0answers
182 views

Centered motion tracking with Mocha AE/Pro and After Effects?

I haven't been able to figure out yet how I get stabilized footage from mocha Pro to After Effects. I start a new project, import my footage and am able within mocha Pro to get a nice motion tracking ...
2
votes
0answers
154 views

avconv: How to blur scenes?

I want to blur some scenes with avconv The ffmpeg command -find it here- is: ffmpeg -i input.avi -vf "boxblur=enable='between(t,22,113)'" -codec:a copy output.avi doesn't work with avconv ...
2
votes
0answers
244 views

What is a good wireless solution for video monitoring for BlackMagic Design Cinema Cameras?

We are looking for a video monitoring solution that is portable and used with the BlackMagic Design Camera. I found a link with devices that look great. ...
2
votes
0answers
195 views

Slow Premiere performance after Mavericks upgrade

After installing Mavericks, Premiere has slowed to a crawl. It seems to have the most trouble with AE comps imported through Dynamic Link. I believe this is related to the App Nap "feature", but ...
2
votes
0answers
29 views

Set variables on imported comp?

Using After Effects CS6, I'd like to import one project (ProjA) into another project (ProjB). Let's say that ProjA has some text that I want to customize from ProjB. I'd like to be able to import ...
2
votes
0answers
104 views

segment does not contain sync frame

Whenever I split a video using Apple's mediafilesegmenter, using the following command: medifilesegmenter video.ts -t 10. I get the following error for each segment except the first: segment does not ...
2
votes
0answers
870 views

Simple editing without re-encoding from the GoPro AVC codec?

Im looking for a fast workflow, where i can take my gopro video files, make simple cuts (no transisions, no effects, no audio manipulation), and cut them together into a clip and then export that edit ...
2
votes
0answers
136 views

Any way to fix a corrupt Custom Keyboard Settings file in Final Cut Pro v7?

I've been building up my custom keyboard layout for literally years; but it seems to be corrupt. Very often, when I try to add a key, Final Cut crashes (version 7.0.3) Recreating it would take hours ...
1
vote
0answers
9 views

Davinci resolve 11 lite. Add white borders

How to add white borders to cropped video? I have 4:3 video. Want to convert it to 1:1 with white borders. How to change border color?
1
vote
0answers
13 views

ffmpeg to cut intro and replace with new intro

I am using ffmpeg to cut out the intro in my video and replace it with a new intro. I run into a buffer underflow error when I try this. The commands I'm using are: ffmpeg -i ...
1
vote
0answers
10 views

Edit gopro 4k videos in virtualdub

I am trying to edit video filmed by Hero4 Black in VirtualDub. So far I opened video in GoPro Studio and converted it to mpeg file. However when trying to open it in VirtualDub with Mpeg4 plugin I am ...
1
vote
0answers
6 views

Sony Vegas 12 Not Rendering Parts Of Video

Using Sony Vegas Pro 12 and i am rendering a video. However the rendered video hasn't got any audio and some video parts are black. I am using a some transitions and i am currently trying to fix the ...
1
vote
0answers
20 views

Masking messes up in after effects after rendering

I've been masking all day today and everything has worked perfectly up until now. I did my usual mask and then rendered it but upon render everything screwed up. I have tried it multiple times and ...
1
vote
0answers
14 views

Converting videos and time accuracy; pitfalls and solutions

I need to compress some videos about laboratory experiments which contain motions of some objects. Since in analysis time intervalls on the video are needed as accurate as the camera captured them, ...
1
vote
0answers
5 views

How to batch process videos through Deshaker in VirtualDub?

I've just set up the latest versions of VirtualDub and the Deshaker plugin (both 64-bit versions in Windows 8.1 64-bit), and was able to follow the official Deshaker instructions to stabilise a video. ...
1
vote
0answers
8 views

Do these encoding times seem about correct?

I'm using avconv to convert some videos, using the following commands (replacing {{inFile}} and {{outFile}} avconv -xerror -v fatal -i {{inFile}} -vcodec libx264 -pix_fmt yuv420p -profile:v baseline ...
1
vote
0answers
7 views

avconv converting videos in really bad quality

I have this linux command line app called avcon. It is used to converting files. For instance if I have a file called video.mp4 I can run avconv -i video.mp4 video.ogg and it will convert this ...
1
vote
0answers
22 views

FFmpeg map_channel and video

I have a file that has the following format (note the number of tracks and channels within each track): Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a.mov': Metadata: major_brand : qt ...
1
vote
0answers
14 views

Real time document straighener similar to Microsoft Office Lens or CamScanner but for video?

Office lens straightens pictures of flat, boards very, very nicely. Here's an example. Let's say I am teaching a class and I want to record what I write on the whiteboard as I explain it. Is there ...
1
vote
0answers
25 views

Play a .g64 file extension

A legal friend of mine received a file from a colleague with a .g64 file extension that she needs to view. My searching indicates that the .64 file extension is some form of proprietary security ...
1
vote
0answers
12 views

beginning of old VHS tape unreachable

I was recently given a 27-year-old VHS tape to transfer. While I'm happy that most of the tape is transferring smoothly (right now), the beginning of the tape is inaccessible. The player's ...
1
vote
0answers
25 views

Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video. The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
1
vote
0answers
14 views

How to add a title with a transparent background in iMovie?

I'm using iMovie 10.0.8 and like to display some text with a transparent background over the clip. Can this somehow be done? The titles view only lists titles on a black, white and color bar, but ...
1
vote
0answers
15 views

Delete clips from a video while retaining multiple audio tracks

I have some videos (MP4 or MPV format) that contain muliple language audio tracks (English, French and Spanish). I want to cut out some clips (usually 15-60 seconds at a time) that I feel are ...
1
vote
0answers
15 views

Please help identify this rack-mount case

Can anyone point me to where I can find something like this? I have a Smartview 4K monitor, and I'd like a good way to carry it around. It seems like all of the other boxes I've looked at open on ...
1
vote
0answers
21 views

The sixth frame is a repeat of the fifth frame

I'm analysing a dashcam video clip (avi format) frame by frame. According to media information when I open this video file, the frame rate is 30 fps. However I noticed that every sixth frame is ...
1
vote
0answers
33 views

How to transcode HLS with multiple audio tracks

I am trying to create an HLS playlist with multiple audio streams. I have the following files: videoHD.mp4 videoSD.mp4 audioEN.mp4 audioFR.mp4 audioIT.mp4 How would I transmux these all together ...
1
vote
0answers
19 views

GoPro looping settings

I'm using my GoPro Hero3 White as a dashcam. Setting it to overwrite files, I encountered 2 strange things: 5min settings give me 1min files, and 20min settings give 5min files. The counter stops at ...
1
vote
0answers
32 views

Adding effects to live video feed like subtitles

What software do you use to type in live subtitles to help translate a speaker while filming him...the subtitles would be outputted to a projector screen with the live video feed behind it
1
vote
0answers
18 views

DaVinci Resolve Error

So when I try to save a project in DaVinci Resolve, most of the time everything works fine, but every now and then I get an error and I loose any work I did on a project since the last save. Here's ...
1
vote
0answers
9 views

Hardware for exhibition video playback (long period) with timecode output

Not sure if this is the right place for such a question, but not able to find a more fitting place. I'm looking for some solid and simple video playback hardware, for playing video continously for a ...

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