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

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22 views

MPEG DASH with H264 + H265

I've tried to build an MPEG-DASH stream coding some bitrates in H264 and some others in H265. In a nutshell I'm trying to code the same video with ffmpeg for the lower bitrates in H264 and the highest ...
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95 views

How to add zoom in effect to a video?

I'm working in a project where I should generate a video, from an input set of videos or images. The problem is when I generate the video I must add a zoomin effect to each input element. I solved ...
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37 views

Importer screen stays empty

I'm trying to record my old video tapes on my computer, using the Pinnacle Studio 700 PCI Card and Windows 7 Ultimate (SP1, 32 bits). The PCI card is recognized as Pinnacle AV/DV2 and the most recent ...
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27 views

How to test videos for artifacts?

I am having some issues with videos where the encoding gets choppy for a stretch: frames jumping back and forth, pixels bleeding from one frame into another. Like in this video right there. I know ...
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162 views

FFmpeg Unable to find a suitable output format for … [RPi]

I was trying to set-up ffmpeg on RPi to stream video from webcam. This is my launch script: ffserver -f /etc/ffserver.conf & ffmpeg -v verbose -r 5 -s 640x480 -f video4linux2 -i /dev/video0 ...
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80 views

How to set profile compatibility of an fMP4 using ffmpeg?

I'm using ffmpeg to generate a fragmented mp4 stream that will be consumed by an HTML5 player. I think I have a correctly formatted mp4 stream of data with an empty moov at the start and a series of ...
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30 views

How do I view an AVI file that requires GTCC codec?

I have pretty much tried every type of decoder package out there (K-lite, CCCP, Satsuki, etc.) but no luck. I used an old webcam back in the early 2000s when recording. Really need to know what this ...
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23 views

How can cut the time it takes to tag videos using Windows Explorer?

When I try to tag a video using windows explorer it takes roughly 10-20 seconds for it to complete. If I try to tag multiple videos using the same tag it takes even longer? How can I cut this time ...
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141 views

FFMpeg generated m3u8 segmented videos long delay before playback starts

I am using ffmpeg to generate a segmented list of files in order to stream them to an iOS app. The list of files is generated fine but when it comes time to play them, the video needs to be downloaded ...
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213 views

Trying to retrieve deleted Facebook videos from the cache

I viewed two videos on Facebook. Seconds before I could download them, the user deleted them. I've been trying desperately ever since to find them on my hard drive. I viewed them on Firefox. I ...
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181 views

ffmpeg add alpha channel to a video

Basically I have a video with a green background, and I mean a perfect green background (red = 0, green = 255, blue = 0) and I want to convert this to alpha (i.e add an alpha channel where 0 255 0 ...
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50 views

Higher overlay modes on Freescale i.MX 6 Dual

I am playing 1080p video on Freescale i.MX 6's IPU 0 Display 0 Background DI (/dev/video16) and want to overlay it with Qt application via Overlay DI (/dev/fb1). It works really great, but only in ...
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132 views

How can I reduce the choppiness of my ffmpeg conversions

Here are the options I'm sending ffmpeg: ffmpeg. -i input.flv -crf 18 -profile:v baseline -level 3.0 -pix_fmt yuv420p -preset veryslow output.mp4 Here's the input file: ...
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33 views

Cannot access random part of youtube video in firefox

My computer is running on fedora 19 with gnash install (installing adobe flash is not an option for me since it's proprietary.), as well as Firefox. Actually I can watch many YouTube videos using ...
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259 views

How to save udp stream to .ts files whith ffmpeg while keeping timestamp?

I need to record a live udp stream containing multiple TV programs ( up to 30 ) to .ts files .To do so i'm using FFMPEG . I have a muxer at work , but i dont go there everyday so im using a sample ...
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170 views

MPC-HC + AC3filter playing too fast with DTS-HD MA

Video plays too fast, as if fast forward was enabled. It used to happen with VFR MKV video, and was fixed with View > Render Settings > Presentation > Enable Frame Time Correction. This week this ...
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87 views

Manually add video file to Chrome cache

This might be a bit of an odd question considering most people want to do the opposite (i.e, save a video file to disk from cache), but I'm using CyTube (http://cytu.be/) to simulwatch shows with my ...
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163 views

How to disable widescreen video in Skype?

Since the latest (forced) update, Skype insists on displaying my video in widescreen (16:9) format. The problem with this is that it has a lower vertical resolution: in the old 4:3 mode, the video ...
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432 views

What does the FFmpeg warning “Missing picture in access unit with size x” mean?

I've recently updated to the most recent version of ffmpeg and now everytime I edit a flv, I always get endless warnings: [Null @ 002de180] Missing Missing picture in access unit with size xxxx ...
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415 views

FFmpeg Upscaling Video

First I just want to say a bit more about my title, I am not referring to the fact that upscaling doesnt add data(as often asked when upscaling) - but something different. Example I have raw video ...
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37 views

DVD presence not detected until after Windows Update

I am running Windows 7 with Power DVD. I had a couple of DVDs and I googled to find that The Dark Knight Rises is particularly a frequent evidence the issue. When I insert the DVD into the drive, ...
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54 views

Is there multiple types of transitions in ffmpeg while merging two or more videos?

I have 3 video files. I am using ffmpeg library to merge them all. While merging them right now I am using fade In/Out transitions only. I want to enhance that feature in my site, can I do ...
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138 views

Terrible buzzing/screeching sound and frozen keyboard after playing video

I have a 3 year old PC laptop, and recently the following started to happen: When I'm watching videos online or from the hard drive, my computer freezes and makes this very unpleasant ...
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108 views

Is it possible to replace the video card in IBM Lenevo thinkpad w510

I have IBM Think PAD w510. When i turn on thwn i get 1 long beep and 2 short beeps with no display ...
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42 views

How can I select the most “steady” frames from a video with ffmpeg, where less motion occurs?

I would like to use ffmpeg to select out frames from a video to make a preview picture. In the past I selected out frames manually: I extracted 1000 frames at equidistant time and then I picked out ...
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119 views

How to check .mp4 file is corrupted or not.

I am recording two different videos in the .mp4 format using ffmpeg command and after that combining them. But sometimes one of the video is get corrupted because of that it will affecting on the ...
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402 views

Embed a Non-YouTube video in PowerPoint 2013

How can I embed a video from cnbc.com or foxnews.com in a PowerPoint 2013 presentation? I am aware of how to embed a YouTube video in PowerPoint 2013, but when I try to embed a video from any other ...
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126 views

Upscale any video-size while concatting multiple videos in ffmpeg

I already asked this question at Stack-Overflow, but they said I should post it here, so here it is: I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a ...
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481 views

Play two files in VLC dummy and give sout parameters to both of them

I want to add multiple files to VLC's web interface. And the commands below do exactly that. Two files are added to the VLC's web interface's playlist. But as you can see, that's not all I wanted - ...
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59 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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550 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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108 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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132 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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339 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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0answers
18 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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0answers
76 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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40 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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78 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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89 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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326 views

How can I reduce latency on VLC

I 'm working on a video streaming application. Server is a Linux machine (ffmpeg-ffserver) and client is a Windows machine (vlc player). There is a latency of about 6 seconds. Despite the fact that ...
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1k views

Flash player crashes in fullscreen, with white screen,

When I play a video on youtube it is crashing. On my last laptop there is no problem, on my gf there is no problem either. I bought this new laptop Chrome 33.0.1750.146 m Windows 8.1 (64-bit) Intel ...
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316 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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67 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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86 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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237 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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378 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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636 views

FFMPEG - Stream discovered after head already parsed

I am trying to live transcode an RTMP stream to another RTMP HLS stream using the following command: ffmpeg -re -i rtmp://localhost/videochat/testing -c:v libx264 -c:a:0 libfaac -b:a:0 480k -f flv ...
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251 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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147 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: ...