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

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0
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0answers
21 views

WiFi AP for 40 users with video streaming

We are setting up a class room where 40 students can have access to a media library via Android tabs with WiFi access. My questions is how much users can a wifi ap handle? and if every student ...
0
votes
0answers
16 views

Video concatenation excruciatingly slow

I tried using OpenShot Video Editor to concatenate a few videos of a vacation I recently went on. However, the process seems to be taking forever; I really do not want to leave the computer on all day....
6
votes
3answers
5k 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?
4
votes
1answer
3k views

How to add image logo in the end of video?

Can we adding image(logo) to end of video?. I already found the way add logo 5second before video played with delayed the video? Material: video file = af.flv ( format can be changed, avi or mp4 is ...
0
votes
0answers
42 views

FFmpeg and HLS multiple audio renditions

I'm trying to use FFmpeg to produce an HLS playlist which contains multiple audio renditions, but I cannot get the audio & video tracks to sync together. Here is the scenario: Suppose I have 2 ...
0
votes
0answers
5 views

How can I create a side by side 3d video from an anaglyphic 3d in Sony Vegas Pro 11.0?

It would really help me.. I tryed nearly everything but it just didn't work. I want it for youtube but it only allows me to upload side by side videos.
1
vote
2answers
31 views

Batch extract thumbnails with ffmpeg

I need to batch extract thumbnail pic from hundreds of .mpg files using the following bat code, which works like a charm, but the only drawback is that the output png are with file name like "filename....
0
votes
1answer
13 views

Audio pitch seems to have been artificially made higher - without changing speed?

I have a 3gp video file that I'm working with. The audio in the file appears to have been artificially made higher - but without changing the speed (i.e. audio and video tracks are still in sync and ...
0
votes
0answers
6 views

Firefox and WebM - movie looks like a picture - in image boards you don't see if pic or vid in overview mode

example URL: AnonIB (NSFW) when a WebM embedded into website it looks like a picture. Is there some setting or plugin to see in first view that it's a video, not a picture? In image boards with lots ...
10
votes
3answers
9k views

What is the CORRECT way to fix keyframes in FFMPEG for DASH?

When conditioning a stream for DASH playback, random access points must be at the exact same source stream time in all streams. The usual way to do this is to force a fixed frame rate and fixed GOP ...
0
votes
2answers
4k views

Joining videos using the command line

I've had a little mishap with the external harddisk and I've had to restore some files. Now I have a bunch of video fragments that I'd like to join up again. I can play the fragments using VLC just ...
0
votes
0answers
8 views

Editing a video

I used OpenShot Video Editor to concatenate a few videos of a vacation I recently went on. However, the first 18 seconds of the video is upside down; the rest of it is fine. Even though I am using ...
0
votes
0answers
27 views

How to watermark all files in folder with ffmpeg? (Windows)

I'm using the following command to resize and watermark videos: ffmpeg -i "input video.mp4" -s 640x480 -vf "movie=watermark.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:main_h-...
-1
votes
0answers
35 views

How can I fix snapping image in MPC-HC?

It's really hard describe the problem, but here a picture which say much more then one hundred word: http://i.stack.imgur.com/IB8jk.jpg Also,you can check this image, if not clear the problem: http:/...
0
votes
1answer
14k views

Play UDP stream in VLC?

I receive an UDP video stream of which I know both the IP adresses and the incoming and outgoing ports of both computers. How can I plat his in vlc? udp:@:1234 Doesnt work for me. How to fix this?
0
votes
0answers
30 views

Why does Rendering in Premiere Pro CC 2015 crashes whole system?

I don't know if this is hardware or software problem because I've pretty good configuration and the system is crashing due to CPU overheating. For hardware, I've 16gigs RAM and an AMD FX 8320. That ...
0
votes
1answer
15k 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 ...
1
vote
1answer
5k views

GStreamer Element Dependencies: How to connect playbin to hlssink?

I'm new to GStreamer and I've been trying to build some simple pipelines using gst-launch-1.0. I'm having difficulty figuring out what elements need to go together. For example, I want to stream a ...
0
votes
1answer
6k 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 ...
-1
votes
1answer
35 views

FFMPEG: Overlay two video with audio in single Video

Hey, I am trying this command for merge two audio in single video but it merged only and i need overlay it. Here is my code: String[] complexCommand = {"ffmpeg", "-y", "-i", "/sdcard/videokit/in.mp4",...
0
votes
0answers
21 views

FFmpeg: how to output real frame number instead of sequentially added image numbers

When one is extracting images from a video file, one can change the file names to have an ascending number sequence: ffmpeg -i input.mp4 -vf fps=1/2 img%03d.png Perhaps it would be more useful to ...
0
votes
1answer
90 views

How to do ReplayGain for music videos?

I have a playlist of several music videos, but the videos have different loudness. I want to play the playlist so that the loudness of each video would be the same, without the need to manually ...
0
votes
1answer
45 views

Video Card in a laptop

I have a toshiba satellite series laptop with Intel 4000 HD graphics.with only 16mb left of VRAM.I want to know if buying a new graphic card will increase my VRAM and is it possible to add a new ...
2
votes
1answer
3k views

Disabling “System and compressed memory” (ntoskrnl.exe)

I am very exhausted by this. This program is destroying my computer. I have an ASUS G750 series laptop, which has 16gbs of RAM and a haswell i7 inside it. It is just a year old. I upgraded from ...
3
votes
2answers
4k 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 ...
0
votes
0answers
13 views

Access encoded I, P, and B frames separately using ffmpeg

I am working on a video delivery project using ffmpeg. I want to see whether it is possible to separate encoded frames based on their type (I, P, B). For example, if I encode a 5s long .yuv video ...
1
vote
1answer
378 views

FFMpeg generated m3u8 segmented videos long delay before playback starts

I am using ffmpeg to generate a segmented list of files in order to stream them to an iOS app. The list of files is generated fine but when it comes time to play them, the video needs to be downloaded ...
2
votes
3answers
4k views

Widescreen resolution on old VIA UniChrome IGP?

I hooked an old Compaq Presario running Windows XP to an Acer 20" monitor capable of 1680x1050 resolution, because I need Windows to get into work from home and I want the screen real estate. But ...
4
votes
0answers
2k views

ffmpeg minimal requirements configuration for encoding and decoding h264 files

I'm trying to compile ffmpeg with minimal requirements in order to encode/decode with h264. So far my command line configuration is : ./configure --disable-yasm --disable-everything --enable-encoder=...
0
votes
1answer
26 views

Multiplayer MMO and playback for an audience [closed]

I have an interesting challenge for the Superuser Elite. I'm setting up a 4 user LAN for an MMO in my basement. In addition to this, I'd like to mount a big screen LCD television on my wall for others ...
1
vote
1answer
3k views

Cannot embed YouTube video in PowerPoint 2010

I'm trying to embed a YouTube video in a PowerPoint 2010 presentation on 32 bit Windows 7 Professional. I've followed the Microsoft directions to pick the "Use old embed code" option on YouTube, and ...
0
votes
2answers
2k views

How to make Firefox and Chromium play video in tab instead of downloading?

I am wondering is there special plugin needed? For chrome it is fine as the video immediately play inside the tab (streaming) instead of asking me to download it.
0
votes
0answers
12 views

Open source alternatives to ubuntu-restricted-extras?

I tried to play a video file on Elementary and got the following message: "Oops! Audience can't play this file! No URI set!" Searching I found two links that says I should install ubuntu-restricted-...
1
vote
2answers
48 views

How to Split, insert and join video files together ffmpeg

I have a video 20 seconds long (00.20.00). I want split it in 20 parts (part 1, part 2, pat 3,...part 20), then I want to insert between these sections a video effect (part 1, video effect 1, part 2, ...
3
votes
4answers
2k views

Can ffmpeg encode video from frames of different sizes?

I have a toolchain that produces frames that are usually 1920x1080, but occasionally 1919x1080 or 1920x1079. (Yes, this is a bug. Please read on.) When ffmpeg encodes a video from it, with a ...
1
vote
1answer
56 views

How to delete a single metadata item from an MP4 file

Context and question I recorded a video with my MotoG3 phone Android phone and the resulting video (perhaps due to shaking the phone) plays rotated, that is, vertically, which is not something that I ...
7
votes
5answers
76k views

Thumbnails for video files are not showing in Windows 7

When I open my video folder, the thumbnails aren't showing. Instead, the default VLC icon was being displayed. Other files and image thumbnails are being displayed properly, only the videos have ...
0
votes
1answer
760 views

Media Player Classic plays everything stretched/zoomed

The program sudenly started playing all videos very stretched or zoomed, not even changing the pan/scan, zoom and the like works. I re-installed my video drivers, CCCP and MPC-HC. But it persists. The ...
1
vote
1answer
3k views

Flash player crashes in fullscreen, with white screen,

When I play a video on youtube it is crashing. On my last laptop there is no problem, on my gf there is no problem either. I bought this new laptop Chrome 33.0.1750.146 m Windows 8.1 (64-bit) Intel ...
0
votes
0answers
18 views

VLC or MPC-HC open video folder and wait for video selection

In VLC or MPC-HC is there a way (native ou a plug-in) to open the player pointing to a specified folder, and show all videos (thumbnails preferrably) waiting for the user to choose one to see... If ...
0
votes
0answers
16 views

How to create a video with slide transition from images using ffmpeg

Have two or three images, want to create slide left , slide up , slide right and slide down transitions using ffmpeg Fade in and out i found from the link Create video with 5 images with fadeIn/out ...
0
votes
0answers
20 views

How to animate boxblur radius in FFmpeg?

I am running the following FFmpeg command which converts a single image to a 10 second slow-zoom into the center of the photo. As you can see, I currently have the boxblur looking how I would like it,...
0
votes
0answers
17 views

FFmpeg Clip part of a video with screenshot

I need to clip part a of a video using FFMPEG, which is installed on a server and I do this using PHP. In fact I am building a website for this. I know the command that does this. As it has been ...
0
votes
1answer
22 views

How do I remux selected audio tracks and subtitles using ffmpeg?

so I have a video (could be MKV or MP4) with multiple audio tracks and multiple subtitles (different languages). What I want is to remux into a new video and: selecting just 1 or 2 audio tracks ...
0
votes
1answer
31 views

framerate issue with ffmpeg zoompan filter

with a lot of searching on this board, I've been able to put the following ffmpeg command together. It creates a clip of an image scaling from 1.00 -> 1.12x over 240 frames @ 24p (10 seconds). ...
0
votes
0answers
22 views

Video file no matter the format stops playing after 3 minutes

I have a video file that I saved to a flash drive. The video was in a wmv format. The video shows that the file is 12 minutes (which is the original length) however the file only plays about 3 minutes ...
1
vote
1answer
3k views

Video taken on iPhone showing up as black when opened in Quicktime, but fine when opened in VLC?

I took a video on my iPhone 4S upside down. I searched around the Internet and found a post stating that Apple's QuickTime Pro can losslessly rotate/flip videos. First of all, is this definitely the ...
0
votes
1answer
53 views

Replace parts of video with another video with ffmpeg

I have a few hours long MP4 video (h264+AAC) and I need to replace small parts of it with another video (or audio only). The reason is that the file is a recording of a live session and I need to ...
0
votes
0answers
16 views

Linux USB device customized numbering

Under Linux/Yocto, I'd like to have my USB cams to be mapped device numbered from /dev/video5 and on and not to start at /dev/video0-4. I'll have those (video0-4) for other video driver use. Now I'...
0
votes
1answer
30 views

What video resolution is best? [closed]

I shot video's on my Samsung Galaxy S7 Edge (in vertical mode, not landscape) and paid no mind to what the video resolution was. I then converted the mp4 videos to avi and burnt them to dvd disc but ...