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

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-2
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0answers
22 views

How to find out who developed video driver for my desktop?

I'm dealing with issues in the video driver on my desktop PC. The OS is Windows 8.1 w/latest updates. Every time the screen is turned off after a period of inactivity the video driver seems to cause ...
0
votes
0answers
5 views

Megui shows error after avi upload

Hi Guys Im struggling with avi source into avisynth in Megui. I havent taken audio out but figured I could just put same file into audio input. However I read so many different solutions and I should ...
0
votes
1answer
44 views

VLC UDP network stream does not work in Windows, but does in Linux

I've got a udp stream (not accesible to the outside world) that VLC has able to play under Linux, but isn't able in Windows. Windows Firewall is turned off. In order to test the udp stream in VLC, I ...
0
votes
1answer
25 views

Combine audio and video with avconv not merging video

I am trying to combine a ripped stream from YouTube that seems to be in a weird format. Anyway, the video and audio seem to play on their own but when I tried to combine it, the file size is just a ...
3
votes
1answer
539 views

Chrome: force youtube to play video in h.264 instead of WebM/VP9

I am using Chrome as my usual browser on OS X. Since the introduction of VP9, youtube videos are now mostly streamed in VP9, requiring a lot of CPU computing to decode and killing my battery. In ...
1
vote
0answers
29 views

ffmpeg generates videos with start time greater than 0

I'm trying to cut videos with ffmpeg. I know how to do it in the "normal way": ffmpeg -i test.mp4 -ss 0 -t 6 -c:v libx264 -profile:v main -level 3.1 -preset medium -crf 20 -r 25 -b:v 1200k -minrate ...
4
votes
6answers
890 views

Video and audio in all applications unable to play past first frame/second

Update 2 : I have at long last found the source of the problem. This appears to be caused by my Logitech G35 headphones. ...
0
votes
0answers
22 views

How can I fix a choppy video (that has no codec or media damage)?

I have an old video that has been copied from a DVD. The DVD failed during the reading, and both the video and the audio got choppy/lagged, with hundreds of small "stops". However, there is no ...
0
votes
1answer
23 views

How can I get exact delay between audio and video by FFmpeg?

I know how to set delay by "-itsoffset" , But I want to know how to get exact delay time. Please help me . Thanks in advance
0
votes
0answers
13 views

Get mplayer to display current time in hours and minutes

By default mplayer displays the current location in the video in seconds, which is less than useless. Example: A:4086.2 V:4086.2 A-V: 0.000 ct: 0.039 0/ 0 17% 2% 2.1% 3 0 ^--------^----- ...
0
votes
1answer
2k views

convert RTMP streaming to HLS Streaming using FFMPEG

i am doing rtmp streaming to HLS streaming using FFMPEG , the following code is used to convert my desired option ffmpeg -v verbose -i rtmp://xxxx.com:1935/live/live1 -vcodec libx264 -acodec aac -ac ...
0
votes
0answers
24 views

How to insert external video segments into an mkv file that uses them already

I have some mkv files with subtitles. They use other mkv files in the same folder at certain points in the video. I also have other files with the exact same video track but different audio and ...
1
vote
1answer
41 views

Issues splitting a video into multiple, less than 10 second parts when using FFmpeg

I am trying to split a video into multiple parts, however, when I set segment size to less than 10 seconds, it generates segments of 10 seconds. It works if the segment size is greater than 10 ...
0
votes
1answer
31 views

How to sync splitted mkv + external srt with ffmpeg?

I want to convert MKV audio from DTS to MP3 and split the file at the same time. The problem is: I need an external .srt but when I split it, the second file is desynced from video. Example: ffmpeg ...
0
votes
0answers
29 views

ffmpeg filter_complex concat does not include audio

I've managed to put together an ffmpeg filter complex which: Scales an FBI warning (fbi.mp4) to the size ($w:$h) of a training video (train.mp4). Pads the FBI warning so it's centered. Concats the ...
3
votes
1answer
2k 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 ...
0
votes
2answers
9k views

youtube video playing without sound when downloaded?

I have been looking for this since a long long time. I have downloaded a few videos from you-tube using IDM(all mp4). When I opened the video in VLC media player,a black screen appeared and started ...
0
votes
2answers
46 views

How can I play old Final Cut Pro .mov files? (VLC only plays the audio.)

A few years ago, I exported some .mov files from Final Cut Pro on my old Mac Pro. I am positive that I made them self-contained files, so they didn't need to reference the original footage. I backed ...
0
votes
2answers
5k views

How do I compress my video without compromising it too much

Alright, i'm down to crunch time. I have a video that I have rendered out for something I have to turn in. The submission requires that it be At Most: 200 MB and be one of the following formats: ...
1
vote
0answers
20 views

FFMPEG results in a black video from converting images

I am attempting to create an mp4 video from a sequence of images numbered 1 to 100. The problem is that I keep on getting an output video that is black. Each images is as such ...
0
votes
1answer
20 views

Are there really audio-video sync issues when playing Blu-ray movies on a pc?

I would like to buy a Blu-ray player for my next PC; it would be an internal one that I would then use with a software like PowerDVD. My monitor will be a Dell U2415, with a 16:10 aspect ratio and ...
0
votes
1answer
12 views

Unable to seek FLV video

I can not seek flv video downloaded by rtmpsuck. Tried MPlayer2 2.0-728-g2c378c7 and vlc (2.1.2-0-ga4c4876). $ mplayer2 video.flv MPlayer2 2.0-728-g2c378c7 (C) 2000-2012 MPlayer Team Playing ...
3
votes
2answers
3k views

.flv videos only play audio without image

I downloaded a pack of about 50 .flv videos, most work just fine on any software that plays .flv, but some only play audio without video. I use Ubuntu 10.04 as main OS but also tried on Windows and ...
2
votes
1answer
2k views

How to redirect YouTube's videos URL (googlevideo.com) from http to https automatically?

I want to redirect http urls in youtube videos to https. youtube's videos are from googlevideo.com so I want to use https instead of http http://r8---sn-qxau5-btqs.googlevideo.com... to ...
0
votes
0answers
7 views

Using FFMPEG on Android to crop a video into a smaller square does not crop at exact x,y [migrated]

I'm using ffmpeg -y -i in.mp4 -filter:v crop: 720:720:0:0 O -threads 5 -preset ultrafast -strict -2 out.mp4 the original video is on a Samsung S3 and I want to cut it to a square 720x720 starting at ...
0
votes
0answers
12 views

rtmpdump produce bigger output then rtmpsuck

When using rtmpsuck the video has right size according to metadata ~316MB: INFO: datasize 330537967.00 but when I use rtmpdump the output has 880MB at 35% Only important exception ...
1
vote
0answers
31 views

Start QuickTime and set camera to iPhone from command line [migrated]

I'm attempting to start QuickTime from AppleScript and select the camera of my iPhone like I do from QuickTime. I can't seem to make it change the camera. The script I have now is: tell application ...
0
votes
0answers
24 views

FFMPEG RTSP streaming and absolute time seeking

I'm using FFMPEG to stream recorded video from a video camera with onboard storage. I get an RTSP URI from the camera, which plays from the very beginning of the video stream. I know FFMPEG supports ...
1
vote
2answers
642 views

Is there a way to automatically take multiple screenshots of a video?

I want to take N screenshots equally spaced out on a video of some format(FLV, mp4, etc). Is there program or a script to a way to automate this?
1
vote
1answer
26 views

Not able to stream video from my Defender SN500-4CH security system [closed]

I have a Defender SN500-4CH v1.0 security system. For some reason I am not able to see the broadcast on it when I connect it to the world. It would ask me to login, so I put the correct user name and ...
0
votes
3answers
2k views

Not getting any output from video card or onboard- is my motherboard dead?

Probably a lost cause, but I thought I'd ask before I start replacing hardware. I have a desktop that's been boxed up for a while, and when I set it back up I wasn't getting any video output. I ...
7
votes
2answers
11k views

Convert video with vp9 codec using ffmpeg

I am trying to convert input.mp4 video to output.mkv using vp9 codec. I have install development version of ffmpeg via: brew install ffmpeg --devel. ffmpeg -i input.mp4 -vcodec vp9 output.mkv But I ...
1
vote
0answers
23 views

Configure ffmpeg and ffplay to PAL signal

I have a PAL camera and a stk1160 based video grabber, which is correctly recognised as a /dev/videoN under linux. I am able to watch the feed with vlc after setting up the video standard as a PAL: ...
-1
votes
0answers
10 views

Connecting DVR to router

Sir i am using Binatone router in one our office.DVR have been connected to so that i can access cc camera videos of that office from my head office or from any where through internet.I have been ...
0
votes
0answers
25 views

Adding audio to video without re encoding

I am looking to add audio to a video without having to re encode the two pieces. I have looked at a few questions on stack overflow followed the answers and i still cant seemed to get it to work, if ...
0
votes
0answers
30 views

Play video on Atom Netbook

I have choppy effect during play video on Atom Assus EEE PC flare series 1025 with Ubuntu Linux. I was trying to play with default player and VLC one. The same net book plays the same video under ...
5
votes
4answers
119 views

How to automatically create Windows thumbnails recursively?

I am using Windows 8.1 with Windows Explorer. The image cache ("thumbs.db") is created when I visit a folder containing video, photo, or other such files. I have a problem with this because I have ...
7
votes
2answers
4k views

Drop every even or odd frames using FFmpeg?

Is there an accurate way to take raw video and extract from it a new video that contains only odd frames or even frames (by choice)? For example: I have "blah.yuv" with 400 frames (0-399). I want to ...
2
votes
3answers
824 views

What do I need to be able to convert analog video (VHS, or an old camcorder) on a Mac?

I have a number of old VHS tapes, as well as some analog 8mm tapes. I still have a working VCR, as well as the camcorder that recorded the tapes. I'd like to convert these on a Mac (MacBook Pro) - ...
2
votes
1answer
191 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 ...
0
votes
1answer
32 views

How to get the duration of multiple video files in Mac OS X 10.10 (Yosmite)

A folder of 10 video files, how to get the total duration of them? BTW, I have tried (Command+Control+I) and it doesn’t show the total duration.
0
votes
2answers
2k views

Is there a command analogous to afinfo for videos on a Mac OS X?

Mac OS X has the command afinfo to fetch audio file info. Is there a similar command to fetch video file info for videos (.mov, .m4v) other than the mdls command?
0
votes
0answers
31 views

Flash player seek not working when ffmpeg encoded with gop(-g) = 1

I am trying to deliver video content with frame-by-frame viewing via the SMP Flash player. For encoding, I am using FFMPEG with the x264 video codec for files with .mp4 containers. I am using the ...
0
votes
1answer
29 views

ffmpeg: video is not creating for uneven pixel ratio images

I am using ffmpeg to create a video using images, its creating video for uniform images (ie all the images should be same pixel ratio). It doesn't work for images that vary in frame size: it is ...
2
votes
1answer
80 views

Hardcoding FFMPEG subtitles on MP4 / MKV

I am using FFMPEG to hard code subs into a video. Having read many posts on the best approach, and whether to use mkv or mp4, but am still none the wiser. The code below uses an mp4 file. The ...
0
votes
1answer
7k views

Remote Video Share using teamviewer

I'm using teamviewer 8. I've a remote computer to monitor and teamviewer is doing a excellent job since 2012. But the only problem i face, if i need to see the video (cam) of the remote PC somebody ...
0
votes
0answers
13 views

ffmpeg Adding water mark to my Videos [duplicate]

I have a problem here, here is the code i use to make video clips with my audio files and an Image, my only problem is that i want to add a water mark to bottom-center of clips ( a png file 1056x90 ) ...
0
votes
0answers
38 views

Seeking FFPLAY command for LIVE Decklink audio input to AVectorScope filters live on screen

My first superuser question. Using FFPlay or FFMPEG I'd like to be able to have visual monitoring of live audio (level meters, vectorscope) real-time on screen from a BlackMagicDesigns Decklink ...
0
votes
1answer
185 views

Chrome youtube doesn't play/Twitch plays with no sound

I have OS X Yosemite, Chrome version 40.0.2214.115 (64-bit) When I open youtube video it loads but I can't play the video. I didn't download any extensions before youtube stopped working correctly ...
0
votes
1answer
101 views

How to convert a Voluson 4D ultrasound scan (.V00 file) to a video?

I have here a "4D volume cine" ultrascound scan (time series of 3D scans) created with a machine from GE Healthcare Voluson. The file is in their older, proprietary .V00 format. I want to create a ...