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

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24 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 ^--------^----- ...
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0answers
32 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
56 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
42 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 ...
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0answers
60 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 ...
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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
1answer
62 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 ...
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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: ...
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1answer
25 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
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1answer
27 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 ...
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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 ...
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0answers
22 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 ...
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0answers
56 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 ...
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2answers
679 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
33 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 ...
1
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0answers
36 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: ...
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0answers
42 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 ...
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0answers
32 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 ...
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4answers
178 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
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3answers
844 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
206 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
61 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.
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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?
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0answers
48 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
37 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
127 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 ...
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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
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0answers
65 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
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1answer
485 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
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1answer
191 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 ...
0
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1answer
49 views

How/where does a GoPro camera store HiLight tags?

My Question in a Nutshell How/where does a GoPro camera store HiLight tags? Where I have Looked for the HiLight Tags I have already tried to find the created tags in the following locations – to no ...
0
votes
1answer
899 views

How do I split a WebM file without re-encoding?

I have this WebM file that I need to split, but I'd like to do it without re-encoding. Putting it in an MKV container doesn't work, because the point where I need to split it is not a keyframe, so it ...
1
vote
1answer
56 views

How to add external library to Homebrew ffmpeg install?

I successfully installed ffmpeg through Homebrew. I want to add additional libraries/codecs. FFmpeg can be hooked up with a number of external libraries to add support for more formats. None of ...
1
vote
1answer
88 views

Proper DVD rip for serving via UPnP

I am a happy user of minidlna (version 1.0.24) on an old Mac Mini G4. It does work quite well in my environment. Since minidlna does not allow transcoding, I would like to rip a set of DVDs (mostly ...
0
votes
0answers
28 views

Video playback from remote filesystem lag on Ubuntu

I have laptop running Ubuntu 14.10 and used for watching movies from my server. I've installed vlc player but faced with the bug: At approximately 40 minute (can ve different for various videofiles) ...
3
votes
7answers
2k views

How do I convert Quicktime to Windows Media Video?

How do I convert a Quicktime file to a Windows Media Video file on Windows 7? What is the cheapest method? What is the the best method, regardless of cost?
1
vote
1answer
37 views

Erroneous volume level shifts using ffmpeg to convert AC3 in M2TS to WAV

I using ffmpeg to extract audio from non-commercial bluray m2ts video files, for subsequent loudness analysis in AudioLeak or Dolby Media Meter. The m2ts sometimes have AC3 audio and sometimes have ...
3
votes
2answers
45k views

Black screen issue playing videos in youtube on Google Chrome

when i play a video in youtube there is a black screen, see - http://prntscr.com/2wzrmn, altough i can use the interactions and hear the audio, i can't see the video. There is enough space in my C ...
0
votes
2answers
171 views

Change framerate on MKV container

I got a problem with playback of some MKV containers (89 items, totalling 196,3 GB). The audio+video are encoded in 25 fps, but the subs are totally out of sync - these are encoded on 23.976 fps. My ...
2
votes
2answers
1k views

Can I make ffmpeg stop if integrity check encounters an error?

Is there a way to stop ffmpeg from processing if an error was encountered? I'm using ffmpeg to check video integrity by using: ffmpeg -v error -i file.avi -f null - 2>error.log However, I'd ...
1
vote
0answers
22 views

Video card not working only on one computer

I got this weird problem. My girlfriends computer suddenly just stopped displaying any picture oon the screen. Video card is Nvidia GF9400GT, which is originally silent, but I've added one 60mm fan to ...
3
votes
2answers
312 views

Tool to fix audio sync for small portion of video file

I am trying to fix an audio sync issue for a video file that is off by a second from the 25th-26th minutes of a 30 minute file. I have looked at a few different tools such as avidemux etc. I see ...
0
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1answer
8 views

How do I cut clips using its position from a video?

I have a lot of clip positions that I have to extract from a single video, how can I automate the whole process? As of now I have to manually cut each clip using its position, but as my number of ...
0
votes
1answer
144 views

how to join ts files together into mp4 with ffmpeg?

I download a lot of streams since the internet speed is too slow to watch high definition. When I download a stream I find the .m3u8 file which points to the TS files. Then I use the following ...
3
votes
2answers
986 views

Does resolution matter in projectors if watching movies?

I can see the difference when projecting a computer screen (e.g., Windows desktop, start menu, etc) in a 800x600 Vs. 1280x800 resolution for example. But when watching movies is there going to be a ...
0
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0answers
12 views

Join two matroska videos without re-encoding

I have two videos in mkv format, one 50mb (2 minute) and the other 1.4 Gb(2hr 23 min). I'd like to just join the two without going through a 30 hr long encoding process. Is there a way? PS: I tried ...
0
votes
1answer
71 views

Avoid ffmpeg re encode using complex filter

I have a list of ts files that will be concatenated to being trim later and encode it in mp4. All of it is working ok... however the problem I have right now is the file is re-encoded... and that is ...
1
vote
1answer
281 views

Windows 8.1 DirectDraw and compatibility with older games

I’m trying to run an old game (Nascar Heat 2002) on my Windows 8.1 laptop. The problem I am having is that the game crashes before startup, and in the logs it reports that no video ram is available. ...
8
votes
10answers
34k views

How do I embed video in PowerPoint with relative paths?

I'm using PowerPoint 2003. Does anyone know how to embed a video in a PowerPoint presentation in such a way that it can be moved to another computer? Possible solutions I'm considering: Actually ...