8
votes
0answers
1k 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 ...
7
votes
0answers
373 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 ...
6
votes
0answers
196 views

Converting GIMP curves files to Photoshop (.acv) for ffmpeg

I've seen a number of scripts for converting Photoshop .asv .acv files to a GIMP friendly format. Does anyone know if such a tool exists to do the opposite, i.e. converting a GIMP curve file to .asv ...
5
votes
0answers
139 views

Trying to sync audio in mpeg2 video whose video freezes first 8 seconds in playback

So I have a handful of old mpeg2 (.mpg) files with the following profiles as provided by ffmpeg (the timecodes on each are different): Stream #0:0(eng): Video: mpeg4 (Advanced Simple Profile) (mp4v / ...
4
votes
0answers
42 views

Evolving lines with mirror effect

I would like to create evolving lines similar to those in this sequence (starting at 0:28): I know how to reveal lines, but I struggle to make the line moving so ...
4
votes
0answers
120 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 ...
4
votes
0answers
1k 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 ...
3
votes
0answers
22 views

Motion capture and 3D model formats

I have a light background in CAD and modelling, and I want to use some virtual sets with motion capture. I'm trying to determine what program/platform my next 3D model should use if I want to work ...
3
votes
0answers
199 views

Using ffmpeg to cut videos with more precision than key frames allow

I'm trying to cut a video (a debate on TV) with ffmpeg without re-encoding, and I need to cut between 2 sentences a guy pronounce. I think the precise moment is between two keyframes, because whatever ...
3
votes
0answers
29 views

Video and Telemetrics not in sync

I've recorded a video with Raspberry Pis Camera Module. On top of that I've recorded GPS data including the GPS Timestamp and made my own data file. Using Dashware I've tried to get the video and ...
3
votes
0answers
182 views

Using h264 in loseless mode brings small unexpected results

I got curious on ffmpeg screen capture capabilities and started messing around with a simple realtime capture test in h264. ffmpeg -f dshow -i video="screen-capture-recorder" -video_size 1920x1080 ...
3
votes
0answers
336 views

Getting FFMPEG to stream video+audio through RTMP

Can someone help me with this : The video streams fine but I can't hear any audio. I just hear random click sounds.Please help : ffmpeg -f video4linux2 -channel 1 -i /dev/video0 -f alsa -i ...
3
votes
0answers
557 views

Merge two transparent webm videos with ffpeg

I'm trying to merge two transparent webm videos together while keeping their transparency using ffmpeg Main video: https://s3.amazonaws.com/medlike/logo.webm Overlay video: ...
2
votes
0answers
24 views

Blending Mode Options Missing After Effects

I'm trying to change my blending mode on After Effects CC 2015, but I have no options on certain layers. Only 2 of my layers have options to change the blending mode. How do I change it so all of my ...
2
votes
0answers
27 views

Video codec for progressive enhancement

JPEG has a progressive enhancement mode where a full frame can be downloaded quickly at low quality, and then the quality enhanced as the file is continually loaded. (Example image from ...
2
votes
0answers
41 views

Netflix encoding system - MAPLE

I understand that Netflix does all their encoding in AWS using EC2. They have a custom encoding software called MAPLE that chunks all source video into 2-3 second chunks and encodes in multiple codec ...
2
votes
0answers
27 views

How to create youtube overlays?

If you look at this video by FunForLouis: You can see that there are three overlays that link to other content of his. I was wondering if anyone else has found how ...
2
votes
0answers
25 views

ffmpeg h264 crashes IE intermittently

First for moderators, this is relevant because I have incorporated ffmpeg in a program to render videos needed for a web-app. My problem is that the videos I render randomly crash IE 11. Other ...
2
votes
0answers
46 views

What PC software offers speeding up video & sound together at 20x+?

I'm new to video editing, and I'm trying to find the right software to fit my needs. I am interesting in creating videos where I want to speed up both the video and the sound together to rates of ...
2
votes
0answers
34 views

Final Cut pro X cropped output media

I've created simple 7 seconds clop which uses standard plugin for FCPX: "Bold Fin" title. While i am editing this clip - everything fits to the screen: but when actual file is ready - it seems like ...
2
votes
0answers
157 views

How can I convert the subtitle file format (.rtf to .vtt)?

Does anybody knows an easy way to create a .vtt (WEBVTT) subtitle file with an .rtf file? I don't want to have to type all the subtitles new to get the .vtt format! Is there an easy way to convert ...
2
votes
0answers
66 views

Problems occurred when importing subtitles into Sony DVD Architect

I'm new to Sony DVD Architect, I can't import subtitles into DVD-Arc even though the file extension is .sub. I used Subtitle Edit to save my original subtitle file(in .ass format) to DVDSubtitle(.sub) ...
2
votes
0answers
32 views

Moving video slices in timline in Sony Vegas

I am completely beginner in montage.. I started with sony vegas pro 13... my problem is : when I drag a slice of a video in timeline it return to its place automatically I mean that I can't change its ...
2
votes
0answers
32 views

Can I use my phone's sensor to record movements for DSLR stabilization in post?

So I heard about this SteadXP which attaches to your camera to record movements for stabilization in post production. Is there any app for Android that can do the same thing?
2
votes
0answers
58 views

Genlocking 5-6 sj4000

I'm planning on buying 5-6 sj4000 and use them to create 360 images and videos. This is the oem sj400, not sjcam sj4000. Does anyone have an idea how to genlock to trigger them together. I've seen ...
2
votes
0answers
103 views

Why is audio generated by avconv choppy?

I am using avconv to generate an AV stream, and the video is perfect, but the audio is very choppy using iOS Safari. Can anyone tell me what is wrong with my audio stream that's causing this? When ...
2
votes
0answers
31 views

How to see encoding progress in Compressor 4.1.3

Is there really no way to see progress of an encoding job in Apple Compressor 4.1.3? I started a batch (single job, one file) and this is all I see: My fan is blowing at full speed so I guess ...
2
votes
0answers
197 views

Colors look different after export

Colors look great in FCPX. After I export (Share > Master file > H.264 Quicktime) they look a bit dull: desaturated, less vibrant. Also sort of like the wrong gamma curve - shadows are darker. I ...
2
votes
0answers
55 views

Unexpected filtering result with multiple outputs

Video capture device cycling through 4 cameras every 4 seconds. Want to split the video into four streams to reduce the amount of key frames, save internet traffic and soothe the motion detector. ...
2
votes
0answers
65 views

How to convert a quicktime 3d model .mov format into multiple images

I've tried exporting 3d model lab into images sequence format after going through this below answer. exporting .mov vr to multiple still frames, but all I can see same image output with different ...
2
votes
0answers
22 views

Camera stabilisers compatible with shooting in portrait

We shoot all our videos in portrait using a Canon 5D camera. What is the best type of camera stabliser for this scenario? Most I've seen only cater for shots in "landscape".
2
votes
0answers
482 views

Fast encoding with ffmpeg

I know about presets but faster presets lose the video quality. Are there any hardware requirements I need to consider? Or are there any settings that I need to tweak? And lastly where do I place the ...
2
votes
0answers
71 views

CMOS readout time, frame rate, and delay between frames?

I know that in CMOS sensor, the exposure is perform in line by line. I can assume that the delay between the exposure of two consecutive lines is equal the readout time for one line. So the readout ...
2
votes
0answers
471 views

ffmpeg lens correction, fisheye effect

I want to remove fish eye effect using command line. I've found 2 ways. The simplest is using frei0r plugin called "defish0r" it has few parameters like fisheye type, scalling, interpol and video ...
2
votes
0answers
89 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 ...
2
votes
0answers
42 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, ...
2
votes
0answers
163 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. ...
2
votes
0answers
190 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 ...
2
votes
0answers
28 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
194 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 ...
2
votes
0answers
22 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 ...
2
votes
0answers
37 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 ...
2
votes
0answers
45 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
2
votes
0answers
88 views

HyperCam2 video out of sync, ffmpeg throws video out of bounds

I've recorded my over 2h presentation using HyperCam2 but output video is totally out of sync with audio. It looks like video is 2x faster than audio so I have 'Thanks for watching' slide in the ...
2
votes
0answers
60 views

what is the easiest way to put multiple seperate videos one after another in blender

i'm currently using blender on ubunutu for video editing. It's not that easy to drag videos and put it close to another, one by one when there are many separate videos. Is there any easy method to do ...
2
votes
0answers
2k 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
46 views

Chroma key with cropped video on top and background images/videos with alpha blending

Check the following screenshot to understand what's my goal: I can't figure out how can I crop chroma key-recorded video, use a blend effect to make the chroma key part absolutely transparent ...
2
votes
0answers
167 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
247 views

Overlay animated watermark multiple times

So, I have this animated watermark (MOV w/alpha) that I want to overlay on top of a video. I want to do it multiple times, so once in the beginning, once in the middle and finally towards the end. I'd ...
2
votes
0answers
88 views

recording multiple video feed with timecode/genlock in sync with motion capture system

So, I am looking into recording 2 HD video streams, as reference for our mocap studio. The thing is that I don't know much about video gear, and it must be fairly cheap. I have asked Vicon (mocap ...

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