Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

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27 views

Webm video flashes compression artefacts

Doing som testing on capturing video from VirtualBox for a screencasting project. VirtualBox uses webm for video and it works sort of OK. However, it has "flashes" of heavy compression artefacts. ...
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403 views

FFMPEG webcam stream to Youtube drops frames

I need to do a live videostream on Youtube using a Logitech HD Pro Webcam C920. My OS is Fedora 20, and the command I am trying to use is: ffmpeg -f v4l2 -i /dev/video0 -flags +global_header -ac 1 ...
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261 views

Split video into equal file size parts with ffmpeg

i am trying to split a video file into equal file size parts with ffmpeg. At first i get the file size of the original and divide it with the desired number of parts to get the file part's file size. ...
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269 views

stream byte arrays to a video using ffmpeg

This is what I am trying to do: I receive jpegs from an IP camera. If motion is detected I want to upload the jpeg still shot to my server. To save on bandwidth I save each jpeg to a file on my ...
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47 views

How to stream video without a Gui?

I need to set up a computer to put video on several screens at the same time (for charity related stuff). To save as many resources as I can from the original computer (which is getting old), I have ...
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84 views

How i could cut exactly frames from an avi with ffmpeg

I use the command below to cut it to frames. I want 48 frames for my video which is 7 seconds. ffmpeg -i output.avi -r 6.4 -s sxga images\\image%d.jpeg It creates me the frames but i was use it ...
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180 views

ffmpeg HLS demuxer handling of videos with overlapping timestamps

I have a HLS stream, that contains a number of arbitrary TS segments, some of which may refer to the same file. Desktop and mobile Safari plays it just fine, e.g. if I have a playlist that contains ...
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287 views

Is it possible to embed subtitles in an MP4 with the forced option in MeGui?

I want to show subtitles with my web player (it supports Flash and HTML5). I'm using the .mp4 format and I can add subtitles to the player with an external .srt file, but I want to embed subtitle to ...
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11 views

PC HD Video Card Radeon Passive Cooling No display when hardware installed

Hi guys i'm noob to computer hardware, i attached my Video card to the motherboard, but it's not displaying anything, do you guys know what i'm missing here, does this video card requires separate ...
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11 views

“Presenter view” for second monitor?

I have a laptop, which is connected to a projector. Is there any program or method, which can give me a small window on the laptop's screen, of what is displaying on the projector? Sort of a ...
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32 views

H.264 Pro Recorder Files not closed properly

I have several files that were recorded using a BlackMagic Design H.264 Pro Recorder. It would appear that somewhere in the process, the recorder did not close out the file properly when the ...
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36 views

Audio/Video Doing weird things, with new Connections

I have a Logitech G430 USB headset, and whenever I seem to plug in a USB with things on it, or with nothing on it, I will get the Ping of a new connection then ALL audio shuts off. Not only that, if I ...
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53 views

Keeping Text Sharp whilst shrinking video size - Handbrake

I've recorded a bunch of videos using a high def webcam, and with a website overlay (think of a sports broadcast, with the score on the bottom of the screen). These videos are 720p avi's, but have a ...
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51 views

Fast & Accurate trimming of small parts from mp4 files

I am looking for a method to quickly trim around 2 frames from the edges of mp4 files. Using ffmpeg I am able to do that with the following, however i'd like something faster: ffmpeg -y -i myVid.mp4 ...
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108 views

Why does FFmpeg segment_times create webm files with incorrect duration and start times?

I have a MOV file that I want to split into several smaller files (at certain timestamps in a comma-separated list). I'm simultaneously compressing the video into WEBM files. The command I'm using ...
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176 views

Why does FFmpeg append blank black video to the end of my MP4 files when compressed from MOV?

I have several large MOV files that I want to compress to MP4. Unfortunately, when I use FFmpeg, it appends lots of black (blank) video at the end. (The destination file is longer than the source ...
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48 views

Quicktime killed my AVCHD file

I have a Sony DSC-HX50V photo camera. The system I have been using for video storage is this AVCHD thing, which consists of a big file storing all the videos. Using Quicktime under Mac OS 10.9.2, it ...
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392 views

Flux Disabling it for specific Windows/Monitors (VLC hardware overlay?)

F.lux is some color management application. My problem, with multiple monitors, is that I multitask. There are not distinct movie watching times, and coding/working/browser times; It is just all at ...
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42 views

Rotating display from the Linux kernel

I have a Freescale i.MX6 ARM development computer with a display I would like to mount in portrait mode. The display accepts a DVI input, which I'm driving with an HDMI output from the computer. I ...
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137 views

Possible to black out/dim second screen while using multiple displays in VLC 2.1.3 fullscreen mode?

Pardon if this is a duplicate, but I searched and could only find the reverse of my question. I remember VLC used to have an option to "not" black out the second screen when playing a video in ...
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189 views

Does VLC Player run on multi core machine?

I notice that in the VLC web page, it mention that it can: With faster decoding on multi-core, GPU, and mobile hardware and the ability to open more formats, notably professional, HD and 10bits ...
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83 views

Setting up an Ubuntu Linux scalable web video cluster

I'm in the process of setting up what I hope will be a robust and scalable video processing cluster for a website I'm creating. Currently, I am processing video uploads with FFMPEG on the same web ...
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157 views

Switch Flash Player / HTML5 to use front camera

I have a Lenovo Helix which has 2 cameras, front and rear. I need to take a picture of myself for a security verification on a site with a Flash player object to perform the capture. It's a similar ...
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75 views

Seekbar not working in Chrome

I have uploaded a video to my Windows Storage and noticed, that the seekbar (of the default Chrome's html5 player) is not working. Url of that video is: ...
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93 views

Bookmark manager for local (offline) video files

I have a directory with several video files and subdirectories with more video files. In this case, they are photoshop tutorials, but that's not entirely relevant. I need to bookmark several videos ...
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440 views

FFmpeg audio and video out of sync

I know there's a ton of questions on here about video and audio being out of sync when using ffmpeg, however I couldn't find a single one that solved my problem, so I'm hoping you all can help. I'm ...
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198 views

compressing video with ffmpeg while maintaining high frame rate

Update: I watched the output video on a different machine and it was fine. The issue must've been with the program I was using to watch the video. Nevermind. I'm trying to compress videos taken with ...
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1k views

How to play RTSP live video streams on VLC player?

How can I play RTSP live video streams on VLC player? (v2.1.2 Rincewind, on Windows 7) I can play RTMP live video streams, but not the RTSP streams. I always get errors like this: Connection ...
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81 views

Join AVI and WMV into an AVI

I have a WMV files and two AVI files I need to concatenate into one video file as an AVI file. What the quickest and easiest way to do this on OSX?
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60 views

How do I get Windows 7 Explorer to respect the iOS rotate flag in photos and videos?

When I copy the photos/videos off an iOS device onto my Windows box, some of them are upside down, when viewed in the Explorer. I imagine that is because Explorer doesn't respect the Rotate flag in ...
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520 views

ffmpeg minimal requirements configuration for encoding and decoding h264 files

I'm trying to compile ffmpeg with minimal requirements in order to encode/decode with h264. So far my command line configuration is : ./configure --disable-yasm --disable-everything ...
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193 views

Use an audio/video file from a Linux laptop via USB to be played by Magic Sing ET-23H

I am one of the technical directors of a regular karaoke contest event. For the karaoke contest itself, due to tight budget, we are using what one of the sponsors are providing - Magic Sing ET-23H . ...
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133 views

YouTube style linking inside HTML5 Video player

After a video has played on YouTube, often there will be a follow up link after the video has finished playing in the form of related videos. I'm looking to implement similar into my HTML5 Video. It ...
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314 views

Find out rotation metadata from video in ffmpeg

If I use: ffmpeg -i in.mov -vf "transpose=1" out.mov all .mov files are getting rotated, but what I need is to automatically detect just the rotated videos and change orientation for just those ...
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87 views

error while merging videos with ffmpeg

I am trying to concat videos with different resolutions using ffmpeg and I am encountering this error shown below while that the video resizes when playing the videos I merge them using ffmpeg with ...
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758 views

Metadata editor for quicktime (.mov) files

My photo camera records video as .mov files. They have some metadata (in the XMP format?), which I can read using exiftool. For example, to get only the metadata related to dates/times I can do: $ ...
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247 views

ffmpeg not adding all images when creating video

I am creating a video from 38,179 images. ffmpeg successfully creates a video but only includes the first 20,998 images. It does not include the last 17xxx images. I am running Windows 7 64-bit. The ...
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318 views

FFmpeg x264 Encode Settings

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
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884 views

Read DTH recorded video in laptop

I was confused where to ask this question, hence if not relevant please ignore I live in INDIA and use dth recorder for TV. I can record video from set top box in pen drive but pen drive is not ...
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315 views

YouTube video won't play, shows zero length

A while ago I've uploaded a video that's about a minute long to YouTube. It's only accessible to those that have the URL. It used to play just fine. Now, when I go to play it, it immediately goes to ...
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116 views

Youtube & Network - sometime jumping in videos stop loading and cannot connect to internet unless reboot

Declare, not a duplicate of this since I don't use wireless: Youtube breaks my internet connection I use Firefox. Sometimes watching Youtube videos, I jump from my position to a not yet loaded ...
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211 views

The sound of any video, from youtube or from any media player, stops randomly after seconds or minutes

The sound of any video from YouTube or from any media player stops randomly after seconds or minutes. I searched the Internet and saw similar problem blaming Flash Player for the problem. I tried ...
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152 views

FFmpeg amerge with itsoffset on only one audio stream

I'm facing a situation which I spent the whole day trying to get this working but unfortunately I'm running out of ideas and I thought you gyus might help me out. I have two streams, one audio stream ...
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189 views

Invalid sample format error while converting a DVD iso file to Mp4

I get the following error when I convert a ISO file to MP4. The ISO file contains a VIDEO_TS directory with the video files: ffmpeg -i DieRelativeringVanMenswees.iso DieRelativeringVanMenswees.mp4 ...
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0answers
47 views

Final cut auto split on black frames

i'm new to Final Cut Pro X. I'm wondering if there's a function that automatically splits a clip into pieces every time there's a black scene. It's quite common to cover the camera after each scene. ...
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121 views

Adding audio to video being created with image2pipe option

I am creating a video in mp4 format from a sequence of images and an MP3 audio file. For performance reasons I switched from image2 option to image2pipe option and now video is creating OK but without ...
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547 views

YouTube video stops/skips at advertisement

I'm recently experiencing that all of my YouTube videos stops downloading (and playing) whenever the Ad should come (it stops every time I get to the "yellow" sign). If it's in a playlist, right after ...
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107 views

Recording game footage with ffmpeg - issues

I'm trying to create a script to record windowed games with ffmpeg. This is what I have so far: #!/bin/sh INFO=$(xwininfo -frame) WIN_GEO=$(echo $INFO | grep -oEe 'geometry [0-9]+x[0-9]+' | grep ...
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112 views

Is there a way to globally limit Flash Player frame rate to release CPU resources?

On modern PC, with quad cores you sometimes can't just watch simple video normally. The reason is, that for example ad banner in another browser tab can kill flash efficiency (with is ...
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62 views

Preserve text readability while encoding game screencasts

I have a bunch of (almost lossless) 3d game screencasts which now occupy considerable amount of my hdd space. I would like to reduce their size. Overall image quality isn't of great concern, except ...