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

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1
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1answer
62 views

What do I need for VLC to play mp4 video?

I'm trying to set up a Raspberry Pi as a media box that can stream from torrents using Peerflix. To test, I've set up a local tracker and one torrent containing an mp4 video. Peerflix is working ...
22
votes
7answers
11k views

How can I disable HTML5 content in popular browsers like Firefox and Chrome?

The bad thing about Flash video was that it required a third-party plugin to play the content. The good thing was I could select which content to play; using the click-to-play feature in Firefox and ...
3
votes
2answers
2k 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
2answers
266 views

Concatinating mp4 files to a single mp4 file

I have some mp4 video files with me and i need to concatenate them one by one and make a single MP4 video file. I came to know about FFMPEG through which we can concat files. I tried doing ffmpeg ...
2
votes
0answers
21 views

Any empirical length limits or caveats about MP4's of 7400 seconds?

I was investigating a curious issue I have with the playback of certain MP4 files on my BluRay player; in particular, it seemed files over two hours simply would not play (player locked up). As I ...
0
votes
1answer
39 views

Skip parts of video while converting it to images with ffmpeg

I use this command on ffmpeg to convert a video into images: ffmpeg -i video.mp4 -q:v 1 -r 1 -f image2 frame-03d%.jpg What I want to do is to skip the first x seconds and the last y seconds of the ...
0
votes
1answer
3k 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
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0answers
38 views

How do I play video that can speed up, slow down, & play backwards?

I have the problem of needing to play a video while being able to arbitrarily increase or decrease the playback speed, as well as being able to have negative playback speeds (watching the video ...
1
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0answers
28 views

FFmpeg - Seek to pkt_pos?

I know that FFmpeg can start seek in terms of PTS/DTS, and that there is a limitation regarding seeking in frame number, but is there a way to seek in terms of pkt_pos? I'd also like to be able to ...
0
votes
0answers
12 views

Video Codec Problems

I have been having a problem with a file with the PRDY and undf video codecs. Is there any way to open them? thanks Brett 2010 iMac VLC version 2.2.1
4
votes
2answers
4k views

Solutions for videos and subtitles in Mac OS X

What is the best way to merge a .srt subtitles file with a Movie, and have it subtitled online. I have a mp4 file and I've already made the subtitles in a .srt file. I've used the SubMerge software, ...
0
votes
0answers
14 views

Issues streaming movies with VLC from my debian server

I am trying to stream movies from my linux server that I connect to via SSH. I go to VLC and networking and I use SFTP to get to my server and my file. ...
7
votes
4answers
2k views

Automatically split large .mov video files into smaller files at black frames (scene changes)?

I have 65 .mov video files named tape_01.mov, tape_02.mov, ..., tape_65.mov. Each is about 2.5 hours long and takes up many gigabytes. They are digital copies of what were VHS tapes (my family's ...
0
votes
2answers
2k views

Is it possible to increase the audio volume on a streamed video?

Is it possible to increase the audio volume on a streamed video? Playback from files is fine, I am always able to increase past 100% using VLC but playback from streamed source, such as iPlayer, is ...
0
votes
3answers
2k views

Not getting any output from video card or onboard- is my motherboard dead?

Probably a lost cause, but I thought I'd ask before I start replacing hardware. I have a desktop that's been boxed up for a while, and when I set it back up I wasn't getting any video output. I ...
0
votes
1answer
53 views

Prevent Blur in Gameplay .mov

So I've been uploading videos of Hyrule Total War onto Youtube, but keep experiencing a bunch of blurring of my video when I move the camera. After recording in FRAPS, the raw footage looks perfect, ...
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votes
0answers
28 views

How to convert video audio codec with ffmpeg

I am trying this command but it fails I need to convert audio track of 17gb movie file with fastest way So i only need to convert audio and leave video file alone Here the command But it fails It ...
4
votes
1answer
649 views

How can I convert an m4v video to a widely viewable format using ffmpeg?

I have a m4v video generated by iMovie. I want to use ffmpeg to generate a widely viewable video on Windows. I cannot assume that the viewer will have VLC (or any other sophisticated viewer). It needs ...
0
votes
1answer
36 views

How to preselect audio tracks in VLC when the language name is not in the track name?

I have a number of videos that have been provided to me in multiple languages. Unfortunately the first track is in Spanish and the second track is in English. These audio tracks simply named Track 1 ...
0
votes
1answer
34 views

FFmpeg – Keep original video orientation

I'm converting 3gp video to mp4 format and that is working. But I have one issue: original video orientation is not kept. I know about rotate, flip and other commands, but I'm converting video ...
0
votes
2answers
9k views

youtube video playing without sound when downloaded?

I have been looking for this since a long long time. I have downloaded a few videos from you-tube using IDM(all mp4). When I opened the video in VLC media player,a black screen appeared and started ...
0
votes
1answer
2k views

YouTube video turns black after few seconds

I am trying to watch YouTube videos, but after a few seconds the video area turns black even though it keeps on playing. Any tips why? I use latest Chrome on Windows 7, and a Lenovo Thinkpad.
1
vote
2answers
1k views

Jagged edges on HD HTML5 videos

For some reason, videos which have higher resolution than my monitor end up having jagged edges on HTML5 videos (on Vimeo, YouTube etc.). This does not seem to occur if the video is being played ...
2
votes
1answer
691 views

Audio out of sync in multiple parts of one video, how to fix?

I have a video which has various audio out of sync at different times. For example, from 2:00 to 4:30, the audio delay is 6 seconds, and 3:00 to 6:00, the audio delay is 8 seconds & 38 min ti 42 ...
0
votes
0answers
43 views

FFmpeg - Transcode video and keep original EXIF metadata in the transcoded file?

I am trying to transcode a video from a .mov (recorded with the iPhone) and add the original metadata (EXIF) to transcoded file, how can I achieve that? The original video contains EXIF metadata, etc. ...
13
votes
3answers
13k views

How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG

How can I create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG? I used this command to convert an input.avi file to a series of PNG frames: ffmpeg -y -i input.avi -an ...
0
votes
1answer
7k 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
59 views

What specs should I consider for playing/streaming 4K to 8K video perfectly? [closed]

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
0
votes
0answers
21 views

Enabling fullscreen on videos goes to secondary monitor

For some reason when I try to go fullscreen while watching videos (HTML5 and Flash), it always initially goes fullscreen on my secondary monitor. When I undo the fullscreen and move the monitor back ...
-2
votes
1answer
68 views

Analyzing h264 100GB video stream

I have a big file, an h264 stream video of a CCTV. I analyze this file with ffprobe and the result is this: [h264 @ 0000000002d24480] no frame! [h264 @ 0000000002d24480] non-existing PPS 0 referenced ...
0
votes
1answer
1k views

FFMPEG H264 split demux a stream video

I've got an H264 video (Stored in an 264 file). With ffplay i see that: [NULL @ 00000000003454a0] start time for stream 0 is not set in estimate_timings _from_pts [mpeg @ 0000000000344560] Could not ...
0
votes
1answer
58 views

ffmpeg changes audio bitrate when transcoding from MKV to FLV

I have one file - sample.mkv ========================================================= File: sample.mkv Width: 854 pixels Height: 480 pixels Aspect ...
0
votes
1answer
323 views

Running vlc qt4 interface with Bumblebee on Debian

I am running Debian Jessie on a laptop with 2 video cards. I use Bumblebee to switch between cards. The optirun command initializes a new x server, that runs on the faster but more power consuming ...
1
vote
1answer
33 views

Segmenting video to X seconds parts with ffmpeg

I have one video with duration of one minute and 35 seconds. I am able to split it into multiple 30 second segments (I am fully aware of other ways to split a video but chose this for a particular ...
2
votes
5answers
8k views

How to play a folders worth of music/video in VLC media player

In VLC media player, I can use vlc -LZ <file 1> <file 2> <file 3> for example to play various files on repeat and shuffled. Is it possible to specify a whole directory and play all ...
0
votes
0answers
13 views

MPlayer Extended rev. 15 won't play some video_ts files under OS X

My MPlayer Extended rev. 15 won't play some video_ts files under OS X. I put in one DVD which played fine when I opened the video_ts file, but it isn't working for any of my other dvds. I open the ...
0
votes
1answer
26 views

How to play an original dvd (.vob file) in VLC?

When I play an original DVD in VLC, it does not play properly. i.e. it sticks too much, while on the other hand it plays smoothly in Windows Media Player (though it doesn't allow seeking). The video ...
0
votes
0answers
13 views

avconv: remove audio stream, keep sync [migrated]

I have an AVI file with one video and three audio streams. I would like to discard two of the audio streams, keeping only one. I tried to do so using avconv (v11.3-6): avconv -i in.avi -map 0:0 -map ...
2
votes
2answers
2k views

How to get SubEdit under Windows 7 working?

I need SubEdit Player to run under Windows 7. But every time I try to start I get "Class not registered" error. Yes, I tried to install the Vista Patch, but doesn't work under Win 7. Anybody got any ...
1
vote
2answers
109 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 ...
4
votes
1answer
7k views

ffmpeg: Could not find codec parameters for stream 0 (Video: h264) unspecified size

I try to convert a video from .raw to .mp4. For this reason I did download, build and install both x264 and ffmpeg. However, command: ffmpeg -f h264 -i output.raw -vcodec copy output.mp4 fails with ...
38
votes
16answers
78k views

How can I combine 30,000 images into a timelapse movie?

I have taken 30,000 still images that I want to combine into a timelapse movie. I have tried QuickTime Pro, TimeLapse 3, and Windows Movie Maker, but with such a huge amount of images, each of the ...
0
votes
0answers
13 views

Video shows a short length but contains a hour of content based on the file size. Can FFMPEG see past the error?

I have a 3 hour file that I shot... the file size is consistent with that length (100 gigs)... but when i play the file it only plays the first 12 min. VLC player says the file is 3 hours but only ...
2
votes
5answers
75k views

Can’t play Vine/Instagram videos in Chrome

I installed Chrome because I have a new laptop. But now when I want to play Vine/Instagram videos, it doesn’t display them—I only get the sound. These videos are .mp4 I guess. What could be the ...
0
votes
1answer
219 views

How can I merge ordered chapters in MKVs?

I've got a lot of videos with the opening and endings cut out from each episode. They use ordered chapters and quite a few players do not play nice with these. I would like to merge them into a file. ...
0
votes
0answers
42 views

FFMPEG / libx264: How to specify a variable frame rate but with a maximum?

Instead of providing a fixed frame rate to FFMPEG/libx264 (-r/-framerate), I would like to specify a variable frame rate with a MAXIMUM value, and allow libx264 to down the frame rate as it sees fit. ...
1
vote
0answers
19 views

FFMPEG set a upper limit to bitrate only a a interval of video

How i can define a variable bitrate from 500k to 1024k between 0~1min30, between 1min30~3min up it to 2048 to 4096 and from 3min until end down it to 500~1024 again?
0
votes
0answers
22 views

How to record video into circular buffer?

I want to build low cost IP camera with storage out of webcam, OpenWRT router and flash drive (or probably hard drive). It's not difficult to do, but I would like to store like last 24 hours, ...
0
votes
0answers
15 views

Play 2 media files synchronously with one set of controls for both

I have 2 media files: Video+(2x)audio (Movie). Audio (Commentary). Commentary audio track starts with an offset before the movie starts.* I need to be able to(simultaneously): See the video ...
0
votes
1answer
17 views

Corrupt video file - HEX trails off to zeors

Have an mp4 mov file that is 3.32GB and should be 5+ min long. Filmed with GH4 cam. The file is on the computer and the SD card cannot be restored because it was formatted and used about 20 times ...