Questions tagged [webvideos]
Videos on the Internet
81
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Issues in trimming a video with FFmpeg
I have a .webm video captured through a web browser. Using ffmpeg, I want to trim it into its first 30s without re-encoding and quality degradation. But I have issues doing it and ffmpeg complains ...
- 101
0
votes
0
answers
44
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Creating a 0x0 webm file
Currently, I am trying to create a video that changes size using the ffmpeg concat function. However, I want to make the video hide, and the only way to do that is to make it a line. But, I want to ...
0
votes
2
answers
522
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Convert mp4 to webm in a reasonable time
I have found this solution provided by hackerb9:
ffmpeg -i input.mp4 -b:v 0 -crf 30 -pass 1 -an -f webm -y /dev/null
ffmpeg -i input.mp4 -b:v 0 -crf 30 -pass 2 output.webm
It's works, but ...
0
votes
0
answers
18
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Confused about Bitrate
I am recording demos using a screen recorder (Wondershare DemoCreator) which will be uploaded to a video streaming website.
The website has certain recommendations for video quality like,
Codec: H.264
...
1
vote
1
answer
24
views
Are Custom Dimensions for YouTube Videos Possible?
I'm creating a video that will display in a specific zone on our home page that is not a standard 16:9 dimension, (it's 1920x539, shorter from top to bottom than usual).
Is there a way to embed this ...
- 13
0
votes
1
answer
299
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Can i use my laptop as an external recorder
Can i record 4k video from a canon mirrorless (r6) directly to my laptop hard drive just like one would do with an Atomos Ninja? I record a lot of singing events where the camera is standing in one ...
- 3
1
vote
1
answer
58
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Automatic dynamic selection of playback speed
I joined this site because this seemed to be where my question would be on topic the most. Sorry if I was wrong in my judgement.
A lot of people watch videos (e.g. recorded talks or lectures) at ...
- 111
1
vote
1
answer
16
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GIF/SVG kind of compression for Video
I am looking for a solution to compress screen recording. Imagine a coding tutorial involving mostly text and windows and almost no graphics other than icons and occasional view of the wallpaper.
...
- 111
1
vote
1
answer
25
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How do I make video tutorials of someone(s) working through a website on their computer?
The trivial way to solve this problem is just to screen record my computer, but I want it to look professional.
I don't want unprescribed mouse movements. I want them to be direct and towards the ...
- 113
2
votes
1
answer
69
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How to put a video inside text?
https://okbinteractive.studio/
Above is a brilliant website, if you scroll down slightly, you'll see they have a video playing inside some coloured text (a large UX).
Is there any one of the Adobe ...
- 21
-1
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3
answers
7k
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How I can play an Amazon Prime Video movie with Dolby Digital Plus audio using Chrome browser in my PC?
Currently my web browser Chrome (last version 80) cannot play Dolby Digital Plus audio. I know this audio is used in other devices like Apple TV, Roku, or Amazon Fire TV for example.
According to ...
2
votes
0
answers
562
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The ffmpeg webm_dash_manifest demuxer fails with webvtt subtitles
I am trying to create a DASH manifest using ffmpeg and I encounter some difficulties with the subtitles. I get the error
[webm_dash_manifest @ 0x55e19db48180] EBML header parsing failed
[...
- 21
0
votes
1
answer
39
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Is this jump video edited (time reversed)?
I'm under the impression that the jump around minute 2:35 of Aaron Johnson in the official video of R.E.M. - ÜBerlin is fake, because I believe it contradicts the physical principle of how human ...
- 121
1
vote
2
answers
992
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Is using codecs matter if Facebook re-encode all the uploaded videos?
I usually encode with libx265 and libfdk_aac to get good quality and small file size for posting in Facebook. I use ffmpeg as follows.
ffmpeg -i input.mp4 -vf -c:v libx265 -c:a libfdk_aac output.mp4
...
- 78
0
votes
2
answers
434
views
Best way to add subtitles to videos
I currently have ~200 short 30 second teaser youtube video that link to articles.
I am looking for the best way to add captions to these videos. These will eventually go out on social media. Because ...
3
votes
2
answers
362
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What it means "a royalty free alternative" to video/audio (WebM format)
The WebM format says:
WebM is an audiovisual media file format. It is primarily intended to offer a royalty-free alternative to use in the HTML5 video and the HTML5 audio elements.
I am not too ...
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2
votes
1
answer
3k
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How to choose the right bitrate, H.264 profile and level for Web Video presentation?
I want to start producing videos and looking around the internet for usual bitrate ranges (VBR) and H.264 profiles and levels for Web Video exports.
I found some guides with Vimeo and YouTube and ...
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1
vote
1
answer
56
views
Method of pasting "smoothly-typed" text for demo videos?
I often see in demo videos, whenever text is required to be filled in (such as when filling out forms), that the text is entered smoothly, not actually typed by the person shooting the video.
...
- 111
0
votes
1
answer
498
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Should I rather be shooting 1080/50i or 720/50p for 25fps web use?
The camera here is a Samsung HMX-Q10P (P likely stands for PAL: the N model would have 60fps instead).
The videos I upload usually are 25fps either way, but strictly speaking 1080/50i will never give ...
user21930
5
votes
2
answers
85
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Is there an online video server that can show paneable extremely large videos?
I want to turn a set of high-resolution satellite images of the Earth (10,000x10,000 pixels) into a time-lapse video. But instead of downsizing the images, I would like that people could zoom into ...
- 101
1
vote
1
answer
47
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Compact Camera for nighttime live streaming?
We recently adopted a pet hamster for our office, and are interested in setting up a live feed for evenings and weekends so that employees and customers can tune in to the lil guy during his most ...
- 11
0
votes
1
answer
512
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Template based video storage / online programmatic video editing tool?
Is it any template based video format? Wants to create an animation video able to use for Facebook ads. Aim is to do direct marketing with videos, so video content is based on the target audience. The ...
- 101
1
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0
answers
179
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Optimizing HTML5 video for best quality
I have a 3 minute video I'd like to embed on a web page. The problem is that despite best efforts, the file size of the video ends up being over 30 mb. I would like the size to be near 10 mb. I have ...
- 121
0
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1
answer
35
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Video style where multiple videos play as one video
There are a few videos I've seen where the same person, or multiple people, record their portion of the video and all videos get played back simultaneously often times in some grid usually 3x3. Most ...
- 101
5
votes
1
answer
1k
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What is the colour range of most videos?
Colour range (Limited, Expanded) is something I've only thought of recently, and I'm worried I may have introduced colour banding into some of my videos.
When doing a standard MP4 export from ffmpeg, ...
- 181
2
votes
0
answers
416
views
FFMPEG drops end frames when converting a unmatted alpha .mov to .webm using ffmpeg but converts fine when alpha is premultiplied?
I am using ffmpeg to convert a straight alpha .mov to a webm so I can layer videos on top of one another for a web game however when converted the duration is the right length but the frames freeze ...
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3
votes
1
answer
2k
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Why can't my video play from where I drag the playback bar?
I am stuck and really do not know how to explain it in correct manner. Thus I put it in the layman details.
I have two 30~ second length mp4 videos saved in cloud storage.
video1 is generated by ...
- 153
2
votes
1
answer
47
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Find a video and sounds
I am looking for a video which start at the top of ocean surface for few seconds and then beginning to go under the surface. There should be no people on the video. But fish and other sea creatures ...
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1
vote
2
answers
4k
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What are the best codecs and encoding options for a image sequence video?
I am trying to make a video out of an image sequence - Where each frame lasts for a second.
The image sequence contains the same object shot from different distances.
I'm guessing most default ...
- 111
1
vote
0
answers
132
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Use my own server to stream 360 videos
YouTube seems to limit the quality / resolution / data size of 360 videos that can be uploaded. If I want to serve higher quality content, what do I need to do?
Requirements:
Must work with mobile ...
- 111
1
vote
1
answer
3k
views
How do I make a YouTube video with text-only?
I want to make a YouTube video showing text-only. Like this one.
- 111
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votes
1
answer
63
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About Video Formats and prevention of download of videos
I have created a educational website in wordpress where I want to put videos for students. I have the following questions regarding this matter [I need help as I do not have technical background ...
- 11
4
votes
1
answer
832
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How to find videos that have free reuse license types on the web?
Google Image Search provides a very handy method for isolating specific license types:
Is there anything like this for videos? I've been shooting blanks so far...
- 207
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2
answers
163
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How do I setup a camera in a fixed position?
Im interested in creating a video stream channel. There are cases where say I'm building a computer that I want to place a WebCam in a fixed position above my head. Or say doing a car repair, I will ...
- 103
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2
answers
402
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Convert 29.970030 fps .mp4 to 29.970000
I'm working on web project where the position of the user's mouse triggers a video to play forward and backwards.
Here's my problem: The code I'm using to achieve this requires the video file to be ...
- 101
1
vote
1
answer
26
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Request for Camcorder and Tripod Recommendations for Occasional Amatuer Usage, With Emphasis on Good Sound Quality
The title just about tells all about my question, but for a few more specifics, I want to record some monologue rehearsals (of myself) in an empty hall, and will later probably have some live ...
1
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2
answers
2k
views
Is CPU speed important for uploading a youtube video
I know CPU and GPU speed are important for rendering and editing videos. My question is: is CPU speed always important for uploading a youtube video? and actually how much important? I've searched on ...
0
votes
1
answer
64
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By which software/website this animated video was created?
I'm looking for a software or online website that creates animated videos that supports the integration of a business logo.
Example - Facebook Video
I found many online services that create animated ...
- 101
2
votes
1
answer
110
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Create time-lapse gif centering point of interest
My wife is currently very pregnant and I have taken a photo every week of her bump. I now want to make a gif or something similar showing the bump growing. I used the first free gif maker I found (...
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votes
1
answer
61
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Does anybody know any movies or stock footage with 1800's docks?
For my school project I need footage of an 1800s dock with old-fashoined sailing ships at it. I've been searching for at least 2 hours already, but I found nothing useful. Does anybody know any good ...
1
vote
1
answer
396
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Live-stream HD camera to stream on one's own Wordpress website
I was wondering if someone could help me with this project with live-stream cameras. I am not sure what the best camera / broadcast transmitter or internet package I should purchase to ensure that it ...
- 11
2
votes
1
answer
2k
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ffmpeg trying to convert AVI to MP4 but not playing
I'm trying to convert a video file from AVI to MP4 but it doesn't seem to play, my code:
exec("ffmpeg -i ".$video." -c:v libx264 -pix_fmt yuv420p -movflags faststart ".$withoutExt.".mp4")
Even plain ...
- 121
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1
answer
103
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exporting video from flash for html5 video changes colors
I'm exporting video from Flash CC 2015 to video - it renders a quicktime (.mov) file which seems to retain the quality and color palette of my original flash file, but then when I use adobe media ...
- 103
5
votes
1
answer
1k
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Encode video for html5 and javascript controlled playback
I want to create something like Apples Mac Pro product page http://www.apple.com/de/mac-pro/ where html5 video playback is being controlled via javascript (by manually setting the currentTime ...
- 153
4
votes
4
answers
167
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What PC software offers speeding up video & sound together at 20x+?
I'm new to video editing, and I'm trying to find the right software to fit my needs. I am interesting in creating videos where I want to speed up both the video and the sound together to rates of ...
- 141
2
votes
3
answers
115
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Royalty Free Videos?
I have seen free images and music, but is there any site out there that gives out free non-copyrighted movie clips that can be used?
I want to be able to search and look for movie or video clips ...
user11835
1
vote
1
answer
539
views
best tool to use for vine production on windows
I want to create a vine on my laptop bit not sure which software to download to do it as most of the ones I have come across look spammy and don't want to kill my computer with virus's.
- 11
4
votes
1
answer
825
views
How to compress videos for a website?
I want to start a website in which there are some videos. When I searched Google regarding this video website I came to know that for the proper working of the videos we should compress the videos. ...
- 41
2
votes
1
answer
114
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Endless video chat?
Looking to create a video conferencing experience between 2 offices. Want to make it like a window where people can just walk up to the camera/screen/mic and see who is there. Is there a cheap way to ...
2
votes
1
answer
1k
views
ffmpeg encoded videos are not playing on mobile browser
I have set up a server to upload and play videos. I used django/python as the scripting language, and nginx and gunicorn as the webserver. I am using videojs as the video player.
For h264 mp4 I tried ...
- 175