Video is the technology of electronically manipulating still images that represent motion.

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1k views

Add an image in front of video using ffmpeg

I have many videos and I need to put an image in front of them for about 5 seconds, but adding it manually and rendering it each time would take really long, so I am asking if it is possible to do so ...
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1answer
102 views

Wireless IP Camera

At present I have a software solution that involves 4 analogue cameras connected to an encoder that is plugged into my router. My application then reads the rtsp feed from the ip address from this ...
4
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1answer
78 views

Advice on how to determine right camera equipment and set up for multi-sport court?

We are building a 65ft x 30ft multi-sport court with 13ft walls all around (similar to the one pictured) and we would like to know what video camera equipment would be the most appropriate in order to ...
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1answer
41 views

Little skip in webm videos joined with mkvmerge

I've donwloaded some youtube videos that I want to join. I joined them with mkvmerge, but in the joined video, there are ~5 seconds skips (in VLC the second counter stops and then jumps 5 seconds) at ...
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0answers
27 views

Software to allow video presenter to draw directly on the screen [duplicate]

I'm currently enrolled in a coursera.org course which has the presenter standing in front of the camera with a completely black background behind them. While presenting, he would drop directly on the ...
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2answers
34 views

Are Mini DV and Digital 8 considered film?

MiniDV is using magnectic tape as storage and use the discrete cosine transformation compression technology. Does the use of magnectic digital tapes no more film?
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2answers
38 views

QuickTime File Format (Atoms & Flags)

What is the purpose of Media Atom 'flags' within the QuickTime videos, I see for the most part they are set to zero but what does this achieve? Documentation I am reading is the following: ...
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0answers
73 views

How to detect which part of the video is using copyright audio on facebook

I am having a issue i.e: Facebook deletes the video uploaded by me and says It contains copyright audio. It is 6min video so how could I know which part is being aborted by Facebook. Thanks a ...
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2answers
187 views

ffprobe - why total bitrate is greater than sum of video and audio bitrates?

I have been working on video conversion. So, to find out video parameters I used ffprobe. However, when I run the command on an mp4 video file, I observe this: Total bitrate: 3547 Kb/s Video ...
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1answer
213 views

rendering with the video card in MeGUI

I do not know this is the right forum to ask for help. I need help to speed up rendering with the software MeGUI 2500. First I render to premiere with the help of CUDA. CUDA makes the video card ...
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1answer
82 views

Record video and sound with backtrack

Here is my use case: I want to record myself (sound and video) when I play the trumpet to a backtrack. Now if I didn't want the video I would simply: record the backtrack with a DAW record myself ...
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127 views

What is a good wireless solution for video monitoring for BlackMagic Design Cinema Cameras?

We are looking for a video monitoring solution that is portable and used with the BlackMagic Design Camera. I found a link with devices that look great. ...
2
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1answer
235 views

H264 framerate information?

Does raw H264 data (stripped from an RTP stream) contain information about the framerate? Or is the framerate derived either from RTP timestamps for stream reproduction or written the container files ...
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2answers
42 views

Does the Sampling Rate affect the syncing process to a video source?

I have recorded interviews using a point and shoot camera for the video and my android phone with Smart Recorder. The camera records in MOV and is uncompress with mono audio. Then I use my smartphone ...
2
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3answers
1k views

How to detect and extract words from audio/video stream online in a webpage itself?

I have a video (or audio, I think it is not important) stream/file which does not contain subtitles. But it has clean english speech. Is it possible to detect and extract words from it. I don't need ...
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1answer
77 views

A way to create a moving graphic annotation

imagine I have a video of a car moving from right to left, and that I want to add a graphic annotation in a specific frame at a certain time. I would like that this graphic annotation, after I have ...
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3answers
492 views

Which sensor is better for video, cropped or full frame?

I was watching a you tube video on cropped sensor and they the author mentioned that for video it does not really matter whether you use cropped sensor or full frame? Does the sensor size matter for ...
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2answers
336 views

Overlay an image onto live video feed

I want to take a live video feed (say from a security camera) and overlay an image over the top of the live video. Is there hardware/software to do this realtime? I don't care about storing the data, ...
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1answer
44 views

Help with a Video streaming a Meeting and archiving it in HD using 1 camera

The Setup Sony Camcorder connected to IMAC via firewire And a PC via Component cable to HDMI on the PC Imac records Hd video using IMovie and a 2TB Harddrive Pc Streams using DaCast to Flash encoder ...
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0answers
5k views

2GB vs 4GB Graphics card Memory for playback and encoding of Videos in Adobe Premiere CC [duplicate]

While looking into buying a new graphics card for the editing, live playback and encoding of videos in the new 64bit Premiere Pro CC, I was wondering about: 1) how and when a graphics card's ...
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2answers
58 views

Best file format workflow for Final Cut Pro 7 on Maveriks

i am having problems exporting my project in Final Cut Pro 7. All the clips i am working on are mov in h.264. I want to export correctly a master file, that will be converted in web format, hd... with ...
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0answers
84 views

ffmpeg-php with fixed width and height and without stretch or squish

Hi there I googled for hours but no success to solve... This code works for me exec("ffmpeg -i $SourcePath -ar 22050 -ab 32 -f wemp -vf scale=500x400,setdar=16:9 $uploadpath1 2>&1"); but ...
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1answer
88 views

What lenses are preferred for DSLR video?

I do plenty of Macro and product photography (love the Tamron 60mm Macro). I have no idea what videographers who use DSLR like for lenses. Any advice and broadest usage appreciated. Assume camera in ...
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1answer
353 views

Playing back 1080p and 720p videos (same bitrate) on a 720p display

Suppose a high quality, uncompressed video is re-encoded twice, with almost identical encoding settings at a relatively low bitrate of 4mbps, but at different resolutions, first at 1080p, and then at ...
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1answer
83 views

Can video frame size be increased?

I have two videos that need to fit these specs: "The minimum frame size is 1280w X 720h pixels (either progressive or interlaced is acceptable)." Video A is: 480 × 640 [.mov] & Video B is: ...
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2answers
665 views

Camera features useful when recording a live high school basketball game?

What features should I be looking for in a camera (typically found in cameras less than $1000) for shooting a high school basketball game? The intent is to use the video for "Game Film" type analysis ...
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1answer
71 views

How Was This Isometric Vector-looking Video Made?

I'm dying to find out how this beautiful video was made - what program produces these semi-3D animated marketing pieces? There are flat lines curving around text content in a fixed camera view...it ...
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1answer
95 views

How to make a 3D animated video from video games as realistic as possible?

I am thinking about using The Sims game or any of the similar kind to capture video and then I would use the recording to add my own audio input. My friend and I are trying to make a kind of comedy ...
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votes
2answers
69 views

How does one recover a multiplexed video stream with missing headers?

I have some video files which were stored with the format headers in separate files. Unfortunately, the disk crashed, and the header information has been lost. I still have large chunks of stream ...
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0answers
18 views

How to make video with moving text and objects? [duplicate]

I want to make a video with moving text and objects like in the youtube video link below. ...
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1answer
71 views

Video Format Compatibility with GoPro cine studio

Can a video recorded using Edmund optics camera in mp4 format be played and edited in GoPro studio? The video I have recorded can not be imported.
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3answers
50 views

In video, can previous frames effect results seen in subsequent shots?

While watch a shot on YouTube at .25 normal speed, I noticed two distinct images of the rocket fired at the ship from (25-26s). Is this an effect of the video, the film, or the result of a video ...
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20 views

why has the aspect ratio changed on my video between programs?

I am using a Mac and have set my video to 1080 height 1920 width, this shows up on quicktime fine as well as any video sharing websites, youtube for example. However when put onto a pc using windows ...
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2answers
55 views

What is the max video fps Nikon D5100?

I want to play around with slo-mo videos but don't have proper gear for it. Is there a way to get my D5100 to shoot at a high fps (maybe by reducing the video res)?
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1answer
95 views

How do I make a space themed video intro?

I am new to video editing. I have been using iMovie and there is a preset video intro with a space-theme that I like but i want to edit the intro itself which the iMovie software won't allow me to do. ...
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2answers
253 views

How to add a scoreboard to a pre-recorded video file

I have a pre-recorded video file of a sport game and I need to add a scoreboard on top of it. Imagine a basketball game where the score is changing dynamically and quite often so there are a lot of ...
3
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1answer
67 views

In cartoons, what is created first - video or sounds?

In some modern cartoons the animation of face, particularly mouth, is very realistic - most of vowels are mimicked correctly and on-time by mouth movements. (Particularly I'm talking about Family Guy ...
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1answer
78 views

How to create a video like this?

How do I create a video like this? If I want to create such videos, I want to know Type of instruments to be used(including camera, etc.) Light settings After effects Software suggestions if any ...
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3answers
4k views

Adobe Premiere Pro CC - Crop a video and export at the exact cropped size

I have a video that has 4 up-down-left-right black borders of different sizes. I want to get rid of these black borders so the exported file has teh exact size of the cropped area. To start doing ...
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1answer
2k views

Reduce File Size of Dxtory Video Without Causing Lag

I'm making videos while playing on my computer. Everything is working well, however 15 minutes of video consumes 50GB, which is too much space. I use Dxtory with Lagarith Lossless Codec. If I use the ...
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0answers
106 views

How do I make a news-like lower third in kdenlive?

With the composite transition in kdenlive I am already able to let the the lower third (with the name and a line of additional information, just like in the news) appear. Now I want it to fade in (or ...
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0answers
40 views

Filter commentary from AC3 stream in MKV

a question from a a total non-expert in video/audio editing. I have an MKV file (let's call it X) which contains an AC3 file which has some constant and unnecessary (for me) comments for visually ...
3
votes
2answers
87 views

Will remote shutter releases stop and start video?

I'm trying to figure out how I can remotely stop and start video from my Canon Rebel t3i. Is this possible at all? I know there are shutter releases that will snap off pictures, but will the same ...
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2answers
52 views

What is the optimal codec and encoding parameters to encode Video Podcast?

I've got recorded PowerPoint presentation (video podcast) - static slides, mainly texts, some static infographics with voice of the presenter (speech only). It lasts about 1 hour and encoded to .avi ...
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1answer
56 views

Free Software for Drawing Overlays

I'm trying to draw some geometric shapes on a video as overlay, e.g. draw a box around a part of a video to emphasize. I've seen many videos on youtube that do this, and I'm sure I can do it using ...
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1answer
235 views

Wirecast recording lagging from a video file source

I have a recorded video in HD format with the source file being about 2GB for 30 minutes of footage. I added it as a new Video Shot in WireCast intending to edit it, however, I got two problems. ...
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2answers
41 views

Optimal pace of speech

I am applying to a scholarship, where I need to answer some questions in a one minute long video. I would like to push as much information as I can, but I wouldn't like to make it over-crowded... so ...
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0answers
41 views

Choppy slide titles animation in Premiere

Look at what I mean: Youtube link Titles slide to the center all choppy, laggy, like they are skipping frames... I tried with better quality 1920 etc... but all that does is enlarge my picture which ...
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2answers
723 views

Adobe premiere is lagging in preview window

Video in source preview is lagging but it plays fine in video players. What may cause this? Why premiere is not using standard codecs for source preview? Specs: Video is: h264 2704x1536 @29.97fps ...
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2answers
94 views

Line between photographer and video

Just been reading an article on dpreview about the panasonic gh4. The newest hyrbid that almost seems like a crossover product between photography and videography. The 4k video sounds pretty cool. 30 ...