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

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

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 ...
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0answers
2 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
4 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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1answer
11 views

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

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 ...
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0answers
24 views

How does video compression work? [on hold]

I wonder how video compression works. According to my calculations a RAW UHD(3840*2160) @ 30 FPS (24 bit color depth) would be insane 0.7 GBps. (3840*2160) * 24 / 8 = 24883200 bytes per frame... ...
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0answers
10 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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7 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 ...
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1answer
17 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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20 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 ...
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0answers
17 views

Upload/publish video from new Google Drive to YouTube?

I am struggling to find a way to upload/publish video from the new Google Drive to (Google's) YouTube. I am trying to avoid downloading the file to my local disk and uploading it again - it's already ...
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0answers
12 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 ) ...
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0answers
11 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 ...
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0answers
4 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 ...
1
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1answer
16 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 ...
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0answers
8 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
22 views

Pixelated video (from scaling?) with video playback

I've noticed that when watching Netflix on my computer, the video seems pixelated. The video pixelation isn't limited to Netflix, it also happens with YouTube (both in Chrome). The problem also ...
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0answers
18 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) ...
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1answer
56 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 ...
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0answers
15 views

How can I link to a specific time in a dailymotion video? [closed]

I know how to link to a specific time in a youtube video. Is there a way to do it for dailymotion as well?
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0answers
9 views

Error 2124 while opening videos using proxy server [closed]

I am trying to open site using proxy server, but Error number 2124 is appearing while opening videos at the site
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1answer
13 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 ...
0
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1answer
81 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 ...
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0answers
21 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 ...
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0answers
21 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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1answer
7 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 ...
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0answers
29 views

Dell Latitude D520 and PD01X Extended D-Dock — video card w/ internal monitor?

I've recently purchased a used Dell Latitude D520 and also bought the PD01X Extended D-Dock (includes a modular bay and an internal PCI slot that can accept a short full height card, possibly a full ...
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2answers
922 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 ...
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0answers
10 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 ...
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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
1answer
56 views

M3U8 file to MP4 conversion?

Can an M3U8 video file be converted to MP4? I have had no luck finding a file converter that can do this since the M3U8 file is really an Audio playlist with many smaller files in a folder.
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1answer
28 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 ...
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0answers
5 views

Enable onboard video on Intel DH55HC with Ati Radeon HD4650 on PCI-e [duplicate]

I am currently using dual monitors on an ATI Radeon HD 4650. I have an extra monitor that I would like to add using the on-board video. I can switch from on-board to PCI-e video in the Bios, But I ...
2
votes
1answer
46 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
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1answer
31 views

Is it possible to use HDMI for audio and VGA for video on one computer?

I have a professional Yamaha home theater system that I plug up to my windows 7 pc (via HDMI) for playing audio. My tv is broken and I can only use my monitor to display video. This monitor does not ...
0
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1answer
20 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 ...
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3answers
47 views

MP4 files I download look pale and have colors misplaced [closed]

Ok, first things first: here's a screenshot from a recap I've downloaded. I guess if Neil Patrick Harris would host the ceremony back in 70s it'd look like that. There's this obvious offset of the ...
0
votes
1answer
27 views

Skipping a frame without re-encoding H.264 video

I have an mp4/h.264 video which only contains I-Frames. I want to skip one of those I-frame without re-encoding the entire video. I tried this: ffmpeg -i "file.mp4" -vf select='not(eq(n\,10))' ...
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votes
0answers
15 views

Change webcam stream?

I want to tweak the color balance and saturation of what is streamed from my webcam during a Skype call. The reason is that the lighting in the room I work in looks awful (it's TL light). I am on ...
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0answers
32 views

Crossfading Video AND Audio with ffmpeg

This Super User answer crossfade between 2 videos using ffmpeg has got me so far, but now that I have tried many solutions and seen every SO link out there, it's time to ask you all for help. I am ...
0
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1answer
27 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 ...
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0answers
51 views

Viewing HTML5 video in Firefox on Windows 7 without WMP

I have Windows 7 but without WMP, because the license I purchased didn't include it and I've never used it anyway. However, it seems that HTML5 videos won't play in Firefox unless I install WMP. It ...
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0answers
19 views

Extract frames from video and set timestamp on images

I want to extract frames every 10 seconds from a video and geotag these frames using a GPX track. On my Windows 8 computer I have tools to extract the frames (FFMPEG), set image timestamps (ExifTool) ...
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0answers
25 views

Can someone explain what “video acceleration” is?

Basically, a user came to me complaining that when she opened a certain video file in VLC, she received an error saying: "Your video output acceleration driver does not support the required ...
1
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1answer
141 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. ...
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0answers
20 views

YouTube throughput problems (gaming channels)

Sometimes I get YouTube throughput and buffering problems, even though I use YouTube center to disable DASH playback. For example, right now featured videos on the front page of YouTube work fine for ...
0
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1answer
21 views

Does OS matter?

Using a computer, I am downloading videos from youtube using YTD and converting videos to mp3 tru google. Then, I am copying it using a flashdrive and transfering the files on my laptop. But on my ...
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1answer
36 views

create video from single jpg and no audio

For a time lapse video project I want to create a header (with some title text). The header is just one still image which I give as jpg. I have seen other answers that produce still image video from a ...
0
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0answers
18 views

Lowest possible CPU/GPU use for screensaver encode for mac (with handbreak or other free / cheap video encoders)

Similar to What video codec puts the CPU/GPU under the least possible load while decoding? I want to know what is the best option for a 2014 15 retina mac pro. I tried MPEG 2 and it won't go as a S/S ...
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0answers
24 views

Correct configuration of VLAN for second network

I have a problem with setting up VLAN for correctly working internet connection through one cable. My ISP have Data and Video connection which are basically separated: Data is used for normal ...
0
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0answers
28 views

StageVideo vs embedded video for desktop AIR application

My question is in regards to performance. According to the documentation http://www.adobe.com/devnet/flashplayer/articles/stage_video.html If you are using a a GPU accelerated codec (H.264), the GPU ...