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

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1answer
66 views

Buffer only if clicked on play button in a youtube video in Chrome HTML5

To save bandwidth, is it possible to buffer a video only if play button or some other button is clicked? I basically want to open youtube pages or other embedded videos, only for seeing the comments ...
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2answers
24 views

Is it possible to merge different video formats in one on a headless Linux server?

I’ve different video formats (mostly .mkv, but also .wmv and .mp4). Is it possible to join these different formats in one video using the command line? I'm using a headless server powered by Ubuntu ...
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0answers
92 views

How to stream video by using UDP VLC player?

I am trying to stream the video and this is what I did. start C:\Progra~2\VideoLAN\VLC\vlc udp://@:60000 start C:\Progra~2\VideoLAN\VLC\vlc.exe C:\Progra~2\VideoLAN\VLC\FullDuplexRadio.3gp ...
2
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1answer
46 views

SD Card Failures

We are testing a video playing system that uses SD cards as the means of storage. The test is being conducted on 6 systems that are playing exactly the same content, all the players are the same, the ...
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0answers
31 views

PDF Reader Apps on Windows & embedded Video formats they support & play?

PDF Reader Apps on Windows & embedded Video formats they play? Which PDF programs besides Adobe Acrobat can/ do play embedded video files? I have some PDFs with inbuild video and it does not ...
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1answer
17 views

Concatenation of files with different codecs attributes?

It shows in the ffmpeg documentation the following code example: ffmpeg -i input1.mp4 -i input2.webm \ -filter_complex "[0:v:0] [0:a:0] [1:v:0] [1:a:0] concat=n=2:v=1:a=1 [v] [a]" \ -map "[v]" -map ...
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0answers
414 views

How do I trim a video using Handbrake?

I can't seem to figure out the solution to a very simple problem. I want to trim a video in Handbrake and keep the video as is (resolution, encoding, etc), just chop off the first few seconds, but I ...
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0answers
92 views

Recover unfinished mp4 file

I have a problem with a broken mp4 file. I was using livestreamer to get the YouTube live stream into VLC player and then I was saving it through Save/Convert functionality of VLC player as an ...
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0answers
44 views

Videos in Chrome are flickering and behaving weird

Since two weeks videos and web pages in Chrome are behaving weird. When my mouse comes near the player it starts flickering. When the video is fullscreen it also flickers. The flicker occurs in ...
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0answers
72 views

H.264 bitstream parser [closed]

Are there any open-source H.264 bitstream analyzers/parsers which provide slice and macroblock level information (such as motion vectors and DCT coefficients). I'm only aware of the tool called ...
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0answers
49 views

Single Queue for Multiple Streaming Video Services

I use multiple streaming video services (iTunes, Netflix, Hulu, YouTube), and I'd like to create a single, consolidated streaming queue across all services instead of having to jump from service to ...
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0answers
36 views

Fix Blank Video from Window Movie Maker on Linux?

I'm using Window Movie Maker to import DV footage from a mini DV camera, since the fire-wire card only works on windows. I want to use the files on Linux. Unfortunately, they appear to not be ...
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0answers
19 views

FFmpeg Encoding Video Avi To Avi + Watermak Audio Frame Sync Error

I get an error as it appears in the picture: How do I fix this? frame sync error Error while decoding stream #0:1: Invalid data found when processing input
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1answer
22 views

Is there a way to determine resolution of a video using its bitrate?

I have a use case where I need to determine the resolution of a video depending on its bit rate data e.g. 236k, 668k, 1299k, 1900k etc. I also have data about its dimensions e.g. 320x240, 480x360 ...
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1answer
158 views

How to set the number of B frames in FFmpeg for H.265 encoding?

I would like to re-encode an MPEG4 video into H.265 and want to manually control the number of B frames in the encoding. I tried the following command: ffmpeg -i test.avi -c:v libx265 -preset medium ...
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1answer
39 views

How do I map -vf subtitles with ffmpeg?

I'm trying to burn in subtitles from this format: 0:0 Video 0:1 English Audio 0:2 Japanese Audio 0:3 English subtitle (default) 0:4 English subtitle (translation only) Both are subrip. What I ...
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3answers
61 views

Video file from chrome cache

I have a file with no extension taken from Chrome's cache, I know it's a video but it does not play with any players. I tried the suggestions from similar questions here. Is there anything I could try ...
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1answer
47 views

Exporting VOB Subtitles in ffmpeg

Hey I've been trying to figure out a way to export image based subtitles from MKVs which have been ripped from BluRays or DVDs. The streams are there and can be hard-coded to the video, but I was ...
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0answers
60 views

H.265 and Opus in Mp4 container - is it possible?

I have an MKV file with HEVC video and OPUS audio. It plays great in all players. The problem is that I need it to be streamable. When VLC plays an MKV from the web, it first downloads it and then ...
0
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1answer
64 views

ffmpeg -flags2 +export_mvs … to in *.txt

I'm doing research and practices on ffmpeg, I could see the motion vectors on a video between frames through the command "fFmpeg - flags2 + export_mvs ...". Is it possible to record the change of ...
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1answer
64 views

Possible technique to send video from ffmpeg to html5 video

I am searching for a technique to stream a video to a html5 player and came across ffmpeg. It seems to be able to do that but the quality it has is extradorinary bad (I only tried streaming on a rtp ...
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0answers
24 views

How to stretch our movie on Youtube?

Here is a movie I created on Youtube https://www.youtube.com/watch?v=4-7n-gH_ZM0 but there is a problem. Its size is changed to square when i upload it on youtube which makes it difficult to read. ...
2
votes
1answer
46 views

Frames drop when it comes to the last image - Android FFMPEG

I'm using the code ffmpeg -f image2 -framerate 0.2 -pattern_type sequence -framerate 25 -i /Source_Folder/Temp/a%d.jpg Dest_Folder/name.mp4; When I execute it for a number of images, I always lose ...
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2answers
40 views

Is it possible to view a movie in 2 locations at once?

Is it possible to view a movie at the same time using my phone, while it's playing on my laptop? If possible, vlc would be my first choice, but I could use other players as well. EDIT: to make it a ...
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0answers
62 views

ffmpeg-concatenating two or more mp4 videos does not give bad output video

I am joining two or more videos using ffmpeg : ffmpeg -f concat -i mylist.txt -c copy vidname.mp4 mylist.txt file contains enteries: file '1.mp4' file '2.mp4' both videos are of same frame rate ...
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0answers
131 views

ffmpeg receiving an icecast audio stream and RTMP video stream need to re-stream to wowza

I need to combine an audio stream and rtsp video stream from a camera the addio is about 7 seconds after the video and I need to synchronise it. -rtsp_transport tcp -thread_queue_size 512 -i ...
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1answer
33 views

Having trouble rendering videos online

Couple of days ago my computer started having problems with videos specially online content from YouTube and Facebook. I start the video and it start to jump frames, freeze frames, pixels turns green, ...
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1answer
35 views

How do I stream flash video on desktop website like on mobile site?

In a bout of irony, 10 years later it seems that now videos on most websites are now easier to stream on mobile. // Background: My workplace has (rightly so) disabled flash on our computers due to ...
1
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1answer
34 views

FFmpeg multiple errors relative to path

I've got a list of videos in the directory: C:\Users\Andrew\Desktop\ffmpeg\bin\zaz\part-xxx.mov, the filelist: C:\Users\Andrew\Desktop\ffmpeg\bin\zaz\list.txt which is: file ...
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1answer
57 views

How to sync subtitle from DVD to Bluray

If i have .srt subtitle for DVDrip movie . Is there any tool or program to sync it to work properly with the same movie in bluray format ? I'm not professional in this field so i want the most ...
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1answer
227 views

FFmpeg - Error while opening encoder for output stream #0:0

What's wrong about this command? I want to convert a .avi format video to "video=h.264/.mp4, audio=.mp3" video. ffmpeg -i "C:\video.avi" -c:v libx264 -preset slow -qp 0 -pass 2 -c:a mp3 -b:a 192k ...
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0answers
9 views

Extract good/playable parts of a damaged video file?

I have recovered a video file from a defective hard disk, but some parts are unplayable. Is there an automated way to save the parts that are good to another file?
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0answers
13 views

What are the keyboard shortcuts for controlling HTML video in Chrome?

I know you can stop and play a native video in Chrome with Space. What are the shortcuts for fast forward, rewinding, full screen, etc.?
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1answer
82 views

FFmpeg - scale and pad

I have a video that I want to upscale but I don't want to lose the aspect ratio of the original video. My source file resolution is 864 x 692 and I want to upscale it to 1280 x 720 I found this on ...
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1answer
155 views

PC firefox play youtube video on samsung smart tv youtube app

From my android phone I can play any YouTube video on my Samsung Smart TV or my Chromecast. I would like to play YouTube videos from my PC with Firefox on other smart devices, too. Scenario: I ...
2
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0answers
37 views

Desktop Hyperlink to Specific time in a video

Using a Spreadsheet, I pasted this URL in: file://localhost/Volumes/Macintosh HD/Users/username/Tutorials/Photoshop/Using Layers.mp4 When I click on it, it opens up the video in VLC and it ...
1
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1answer
78 views

ffmpeg: Removing parts with silence: Efficiently remove several parts of a Video

I'm trying to remove parts of a video, where there is no (or little) audio. For this I use audacity (Analyze->Sound finder) and export the Label Track. This results in something like this: 0.000000 ...
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0answers
83 views

Split MP4 video with chapters into seperate files

I´ve got a few videos which I already converted (with HandBrake) into m4v (ready for iOS devices - sources are deleted) each 2,5 hours long with chapter marks and I want to cut them into seperate ...
2
votes
1answer
53 views

How define subtitle color in mencoder?

I use this command on Ubuntu to burn subtitle to video: mencoder mysub.mp4 -sub myvideo.srt -subcp utf8 -subfont-text-scale 3 -subfont-outline 2 -font ~/.mplayer/sans-bold.ttf -ovc xvid -oac ...
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0answers
56 views

Complex editing with ffmpeg - Adobe Premiere replacement

I do a lot of video editing in Adobe Premiere and a certain branch of the work is very repetitive, so I was thinking maybe I could make a script to automate the process with ffmpeg. After tying ...
1
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1answer
33 views

Batch extract images from *.mts every 30 seconds?

Forgive me as I am just getting started with ffmpeg. I have a folder of *.mts videos (titles are sort of wonky, lots of spaces and characters and numbers---not sure if this is affecting it) and I need ...
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0answers
66 views

Video is choppy but audio is fine (Windows 10)

I recently recorded my computer playing a full screen video for around 3.5 hours. I then restarted my computer and went to play it back. The audio is fine and runs smoothly, there is no issue. The ...
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1answer
33 views

Control of CPU performance, possibly P-state, for TV recording

The problem: I am trying to record TV using a Toshiba Satellite Pro (2GHz, dual core, 4GB RAM, 250GB SSD, W7/32 SP1, PCTV 292e USB receiver, Argus TV recording s/w), but am having recording dropouts, ...
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0answers
38 views

cutting and merging video and audio with different audio configs

I have two videos which I want to cut and concatenate together but they have different audio configurations. Clip1 has: video, mono, mono, mono, mono, mono, mono, stereo. Clip2 has: video, stereo, ...
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1answer
262 views

Force Flash Player instead of HTML5 Player Chrome

There are certain media websites for example : www.ytpak.com www.djmaza.com which when I try to play the Video/Audio in Google Chrome Version 46.0.2490.71 m (64-bit) installed Windows 10 HTML5 ...
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0answers
77 views

LibreOffice Impress presentation should play video on click, complains about no browser?

I have a LibreOffice Impress presentation, and one of the slides contains an image with an action: upon being clicked, it is supposed to play a video. Note that the video is just an external, local ...
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1answer
48 views

Video compression size s and codecs from JPEG

I am building a data logger with 3 cameras which output as jpeg frames (o.79MB/jpeg @24bit/pixel) at 24 frames per second. I want to take these images and convert it to a video. Each For the video I ...
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0answers
23 views

Limit area of screen which my monitor displays (27'' --> 21.5'')

I have Dell U2713HM (27'') and I am having some issues playing specific games. The problem - screen is to big to focus on everything what's going on, and I'd like to limit it somehow. I'd like to add ...
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0answers
35 views

Win10 Film and TV App does not search for additional content

Windows 10 has a Film and TV app on the start menu. It has three main categories Films, TV, Videos, with the first two being store based. Within settings there is the option to Choose we look for ...
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0answers
58 views

Strange video behaviour

I have a video made by my mobile phone (Huawei Honor - Android 2.3). I haven't problems with them some time ago. Unfortunately, I have now and I don't know why. I'm using Linux Mint 17. When trying ...