All Questions

8
votes
0answers
3k views

How to produce a zoom animation of a video source with ffmpeg?

I'd like to create a zoom-in animation over numerous frames of a video clip. I've tried a couple of approaches without much luck. ffmpeg -i test-10s.mp4 -vf "zoompan=z='zoom+0.001'" zoompan-10s.mp4 ...
5
votes
0answers
2k 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 ...
4
votes
0answers
11k views

What's the best way to convert mp4 to avi?

I'm trying to convert an mp4 file to avi. I've tried this basic ffmpeg script: ffmpeg -i inputFile.mp4 outputFile.avi It works, but the encoded avi file is very pixelated and does not work with ...
4
votes
0answers
387 views

GStreamer mpegtsmux produces empty output file

I'm trying to construct a GStreamer pipeline to transcode MPEG2 video and MPEG1 audio in a MPEGTS container to H.264 and AAC and output to a filesink. The problem is: the output file is empty. If I ...
4
votes
0answers
1k 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 plughw:...
4
votes
0answers
1k 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 ...
4
votes
0answers
12k 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. ...
4
votes
0answers
149 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 ...
3
votes
0answers
111 views

What is the difference between SRT and RTP?

I am trying to understand the benefits of SRT over other protocols like RTP. Haivision has a decent introductory explanation for SRT as well as a white paper, but I am unclear how it compares to RTP. ...
3
votes
0answers
1k views

Nginx RTMP didn't accept HEVC h265 input format

I'm trying to created live event broadcast on my VPS server , to make the audience able watch my broadcast I use Nginx RTMP that's produce link at this format http://192.168.1.5:8080/hls/live.m3u8 ...
3
votes
0answers
831 views

How to use ffmpeg to send video stream to another server that gives exactly same quality as manually copying the file to that server?

I tried doing this ffmpeg -i tcp://192.168.1.41:5000?listen -c copy out.avi and have another client publish to this server using ffmpeg -i 1.avi -map 0 -c copy -f mjpeg tcp://192.168.1.41:5000 ...
3
votes
0answers
158 views

What do the options “full chroma interpolation” and “full chroma input” do in video scaling? [ffmpeg]

In ffmpeg, there are options full_chroma_int and full_chroma_inp that can be passed to the video scaling filter. These options are sometimes present in command line examples for the resizing filter, ...
3
votes
0answers
51 views

What's the use-case of the Video Snapshot function on Canon cameras?

While browsing the video settings on my Canon 77D, I came across a peculiar function: What is the Video Snapshot function? The Video Snapshot function enables you to shoot short scenes that ...
3
votes
0answers
569 views

Why are there two ways to keyframe-animate geometric transformations?

In DaVinci Resolve 14, there seem to be two ways to use keyframe animations with geometric transformations. One is on the Edit page, using the Inspector. Here it seems to be possible to smoothen out ...
3
votes
0answers
76 views

DaVinci Resolve: Track with points outside of a window

I am completely new both to video editing and DaVinci Resolve 14. I would like to apply stabilization to a clip which has a constantly moving and changing object in the middle. Therefore I only want ...
3
votes
0answers
28 views

Still Photo Rendering in Premiere Pro CC 2015 is Yellowy After Export

So I start with a perfectly good JPG still set in the timeline 4 second long duration cross dissolve to another photo. Not all photos change color after rendering. And this only just stated ...
3
votes
0answers
31 views

NVidia GTX 180 Composition Display Issues in After Effects and Premier Pro

I have a new NVidia GTX 180 (latest drivers) which is one of the latest high end releases in the GPU market. The problem is I'm experiencing the following issues in the composition(viewport) windows ...
3
votes
0answers
39 views

Using a Submix track for Multicam in Premiere

In Premiere CC 2014, I am using a Multicam Sequence that uses the topmost audio track when changing cameras. I have a few audio tracks that I want mix, so I mapped them all to a submix track Is it ...
3
votes
0answers
47 views

video stabilisation of tripod-taken video with many fast moving objects

Is there a way - in Linux - to stabilize with respect to a certain edge or region in the video? My situation: I have a video taken with a tripod (well, not exactly, the camera is suspended and ...
3
votes
0answers
83 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
1k 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 ...
3
votes
0answers
892 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 ...
3
votes
0answers
1k 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 (...
3
votes
0answers
7k views

Adobe Premiere Pro CC aspect ratio streched

Couple of last times I rendered with Premiere Pro I notified that aspect ratio is stretched by height. I'm rendering 1280x720 at 1.333 aspect, and it worked fine every time till now, I didn't change ...
3
votes
0answers
1k views

Removing silence and no movement from videos

Using Windows 7, which program helps me Remove silence, like the option in adobe audition Remove still images in video, when nothing happens in the same program? Both functions should require a ...
3
votes
0answers
336 views

Screen-record tablet ink drawing on top of recorded video?

Is there software that allows me to 'screen record' tablet wacom ink drawing on top of a video being played back, and then output a new file with the drawing being part of the video? A wacom overlay, ...
2
votes
0answers
23 views

help with ffmpeg quality check script

I am trying to write a script that compares a version of a video file to a master file that has been quality checked and outputs any frames that differ from the master as .jpeg files with timecode ...
2
votes
0answers
12 views

Remove vertical jumps from captured VHS video

I was watching the following video on youtube, and as you can see, the whole frame just jumps up for single frames at random intervals, always to the same height. It seems to me that this would be ...
2
votes
0answers
81 views

convert a normal video file into an SBS video in ffmpeg

I am looking to convert a file with ffmpeg into a side-by-side video without cropping or resizing. can you give me an example?
2
votes
0answers
620 views

ffmpeg - Drawtext Fade Out

Here is a new question on drawtext; actually, my drawtexts move from the left to right and from right to left, depending on the order ( 1,3,5... from left, 2,4,6 from right). Each drawtext has a box; ...
2
votes
0answers
17 views

proper handling of tracking masks in Premiere

I’m using the current version, 12.0.0 “Haberdasher” on 64-bit Windows. The auto-tracking feature did not do anything. I suspect that it only looks at the content of the clip it appears in, rather ...
2
votes
0answers
181 views

Automating audio processing in Adobe Audition

I need to run a predefined set of filters on WAV files using Audition. The commands themselves need to be executed on the command line; I don't have the option of using Audition's Batch processing ...
2
votes
0answers
84 views

How can one disable power aperture for video shooting with the Nikon D750?

I'm using a lens with an aperture ring that allows changing the aperture in a smooth, continuous manner. I've set up the D750 to allow me to use the aperture ring on the lens to change the aperture ...
2
votes
0answers
2k views

Noise reduction in DaVinci Resolve 14 free version

DaVinci Resolve is great for hobbyists because it has a fairly capable free version. Unfortunately, the free version does not include noise reduction functionality. Are there any free tools/plugins ...
2
votes
0answers
65 views

Tripod Quick Release Video Pin Dimensions

I have an Industrial camera that I am working with and I want to mount it to a standard tripod that features a quick release with video pin; otherwise known as an anti rotation pin. While I wait for ...
2
votes
0answers
354 views

ffmpeg latency related to buffer not flushed

I am using ffmpeg (server-side) to create a UDP video stream which is then sent over the internet. When receiving the stream and playing it back (client-side) the latency is constant and about 1 ...
2
votes
0answers
2k views

Recover broken kazam video file (.mux)

History : Here is some background of this long lasting problem : https://answers.launchpad.net/kazam/+question/218308 I am posting it to get some valuable suggestions from video gurus here. About ...
2
votes
0answers
480 views

Canon 800D “Movie digital IS” stabilization - cropping video shot?

I am new to DSLR video and wondering, how is actually working "Movie digital IS" stabilization of my Canon 800D. If you shoot video, there are 3 options of IS stabilization - no stabilization, IS ...
2
votes
0answers
169 views

FFMPEG drops end frames when converting a unmatted alpha .mov to .webm using ffmpeg but converts fine when alpha is premultiplied?

I am using ffmpeg to convert a straight alpha .mov to a webm so I can layer videos on top of one another for a web game however when converted the duration is the right length but the frames freeze ...
2
votes
0answers
29 views

what encoder can take advantage of 16-core setup? converting/ripping Blu-ray to mp4 format

I'm thinking of upgrading my 6-core setup (single CPU) setup to a 2x8-core/CPU setup. I'm wondering what software will allow me to fully utilize all the cores. I've been using handbrake but I do not ...
2
votes
0answers
19 views

Superwhites when grading for web

When grading solely for web, is it preferable to grade including superwhites within the tonal range rather than placing whites at 100, keeping everything within legal range? By web I mean upload to ...
2
votes
0answers
2k views

How to Merge video files having different aspect ratio and make the narrow one padded

I am using below command to merge two videos complexCommand = new String[]{"-y", "-i", file1.toString(), "-i", file2.toString(), "-strict", "experimental", "-filter_complex", "[0:v]...
2
votes
0answers
2k views

Slow ffmpeg h264 performance software and NVENC

Platform: x79 i7 3970x @4.3GHz 64gb, GTX 1060 6gb, Windows 10. I have a bunch of jpegs I need to scale and encode. ffmpeg -f concat -safe 0 -i file.list -vf scale=1920:1440 -c:v h264 -b:v 5M name....
2
votes
0answers
94 views

Show the clip-time in VLC-player, while playing

I'm recording some sports footage, and write down some notes, while the recording is going on. I would like to be able to, as fast as possible, to link my comment to the passage on the video. I ...
2
votes
0answers
2k views

ffmpeg - thread_queue_size

What is the exact reason of this warning in ffmpeg Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Im sending through the pipe yuv420 video to ffmpeg ...
2
votes
0answers
748 views

gain the highest quality with H264 at a certain bit rate

I have encoded my videos using ffmpeg and H264, and this is my ffmpeg command (2 pass encoding): ffmpeg -y -i Edited\ Clips/arsenalVScristalPalas.mp4 -movflags faststart -c:v libx264 -x264opts '...
2
votes
0answers
20 views

Tracking editor responsible for creating a video

I have videos created by me in two different editing software with the same extension. Is it possible to trace the source of these files?
2
votes
0answers
43 views

Scrolling text on video

I want to take an mp3 podcast and its transcript and create a video of the text scrolling vertically on the screen with the audio. I need to scroll 10~20 lines of text so that I don't have to sync ...
2
votes
0answers
694 views

How can I copy and paste transitions in Hitfilm 4 Express?

I'm editing a project in Hitfilm's timeline editor and was hoping there would be a faster way to apply the same transition to the beginning and end of several images. Can I copy/paste/sync/apply to ...
2
votes
0answers
5k views

Convert mp4 to webm without quality loss with ffmpeg

What is the best way to convert a mp4 file to webm without quality loss (using vp8 or vp9) with ffmpeg? If I do ffmpeg -i in.mp4 out.webm the quality is very bad. I can specify a target bitrate via -...

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