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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2answers
4k views

HTML5 video player stutters even after video is loaded

I am using jwplayer to display videos on my websites but cannot manage to make them running smoothly. They stutter, especially in full screen, although I wait for the video to fully load. I tried ...
1
vote
0answers
43 views

FPS drops when playing video in background

I am trying to understand why I experience FPS drops in demanding games when a video is playing in background and how to fix it. My particular setup (see the specs at the bottom): two monitors in ...
4
votes
2answers
4k views

How to redirect YouTube's videos URL (googlevideo.com) from HTTPS to https automatically?

I am using FireFox on Linux and I want to redirect HTTP URLs in YouTube videos to HTTPS. YouTube’s videos are from googlevideo.com so I want to use HTTPS instead of HTTP: ...
3
votes
0answers
30 views

FFMPEG / x264: Single pass: how do you raise start time bitrates?

When using single-pass mode with a VBV size specified, libx264 will initially "sandbag" the bitrate, presumably due to lack of evidence (or perhaps even a bug). (This is an ironic followup to this ...
0
votes
1answer
5k 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 ...
0
votes
1answer
32 views

Extract Y-channel of every I-frame from MPEG4 movie as loslessly as possible

I'm working on a video tracking experiment and got stuck with videos that are quite badly compressed with the MPEG4 DivX 5x/6x codec. I'm fairly new to image formats, codecs and compression, but I ...
0
votes
2answers
48 views

H.264 multi-pass encoding with FFmpeg

I would like to encode a video in H.264 with multi-pass. I tried : ffmpeg -y -ss 00:00:12.0 -i "c:\vid\example.mkv" -vframes 420 -vcodec libx264 -preset veryslow -refs 8 -b:v 1200k -an -pass 1 -f ...
1
vote
2answers
4k views

FFMPEG “Past duration 0.xxxxxx too large”

I'm recording an HLS streaming and I would like to save in a FLV Container. My ffmpeg's cmd is: /.../recorder/class/ffmpeg-2.6.1-32bit-static/./ffmpeg -i http://server/url/playlist.m3u8 -b:a 128K ...
0
votes
0answers
22 views

Moving Files From a folder into other folders

How do I move files (.mp4 .avi .mkv) from a folder on my desktop to one on an external drive. The folder map looks kind of like this: C:\Users\Zac\Desktop\Finished\Folder1 ...
1
vote
1answer
24 views

Quicktime Screen Recording Lower Frame Rate

I'm on mac, I'd like to screen record. But I want it to record a frame every second or so, or every minute or so (as opposed to 30fps). So when someone plays the video it will look sped up. Is there ...
3
votes
2answers
51 views

How to recover 1.4GB video file that can't be read (Canon) [duplicate]

I was shooting video with a Canon EOS 7D, and it was telling me the battery (I thought) was getting hot, so I opened the battery cover and it promptly shut off. It was a battery pack, and the ...
3
votes
1answer
4k views

120fps video playback issues

Unable to playback the 120FPS video downloaded from http://www.blurbusters.com/hfr-120fps-video-game-recording/ For VLC it moves at 20fps and is all pixelated (with lots of artefacts) and broken In ...
2
votes
3answers
2k views

Screen turns black for a few secs while watching full screen video

After I have changed my video card to MSI N770 TF 2GD5/OC, nVidia GeForce, GTX770 is started to blink (turn black for a few seconds) while watching full screen video (with MPC-HC). The blackouts ...
3
votes
5answers
23k views

M3U8 file to MP4 conversion?

Can an M3U8 video file be converted to MP4? I have had no luck finding a file converter that can do this since the M3U8 file is really an Audio playlist with many smaller files in a folder.
0
votes
1answer
18 views

Use ffmpeg to add audio in the middle of the video

I have a 9s no-audio mp4 video and a 5s mp3 audio. And now I want to add the mp3 in the middle in the video. I totally have no idea how I can do that. I tried ffmpeg -i input.mp4 -i input.mp3 -f ...
1
vote
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 ...
0
votes
1answer
15 views

Wrap ffmpeg for extracting audio from video in a python function

I'd like to wrap ffmpeg in a python function for extracting audio from video. I can successfully extract audio from mp4 videos on the command line. ffmpeg -i sourcevideo.mp4 -vn -acodec copy ...
0
votes
0answers
14 views

How can I tell VLC that a source video stream has non-continuous frame rate?

I'm streaming my Android device screen to my PC on which VLC should display it. The android device pushes screens as they are generated. So the framerate that VLC gets is dynamic. Sometimes there's ...
-2
votes
0answers
17 views

Limitations for video to upload to Facebook [migrated]

I frequently upload videos to Facebook recently, but I don't know whether Facebook will re-encode the video if the video doesn't meet the requirements. So, I wanna ask you guys which of the render ...
5
votes
1answer
2k views

Cut last 30 seconds off ends of videos using ffmpeg in a batch file in Windows

This is what I have so far: for i in *.mp4; do ffprobe -show_format -i "%i" // get duration, then need to somehow subtract 30 seconds, and marry these two commands ffmpeg -ss 0 -i "$i" -t ...
0
votes
1answer
27 views

ffmpeg extract lossless image from video

I have a 5s fps25 mp4 video and I use the following command to extract jpg images from the video ffmpeg -i input.mp4 -r 1 -q:v 1 output_%01d.jpg The images are extracted successfully, but jpg files ...
1
vote
1answer
31 views

What is the correct command line to convert a MKV 10b to MKV 8b with identical quality?

I want to convert a MKV 10b to MKV 8b, with identical quality of sound and video. I uses the following command line: ffmpeg -i -c my_file.mkv: libx264 v -profile -crf 18 -PRESET medium high -level ...
1
vote
1answer
18 views

Record IP Camera w/o motion detection or transcoding?

I have a Hikvision IP camera (DS-2CD2332-I: 3MP, IR, h.264 stream) mounted on the front of my house, and I'd like to record its stream, so that it can be later watched - for example, if there is a ...
0
votes
1answer
30 views

How to recover damaged video file on an External hard drive

So I have a lot of video on an external HDD and most of the videos run fine. However, with some during the video it becomes very laggy and skips over some bits. When I have tried moving the files or ...
0
votes
0answers
17 views

How to fix Video that is unable to be read

So I have a lot of video on an external HDD and most of the videos run fine. However, with some during the video it becomes very laggy and skips over some bits. When I have tried moving the files or ...
0
votes
0answers
12 views

Clarification on streaming media

I currently have a point to point, local topology set up with a Darwin Streaming Server and a client. The server has a media file with a bit rate of 1019 kilobits per second. The client on the other ...
0
votes
1answer
7k 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?
1
vote
1answer
3k 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
0answers
39 views

Can a 7Gb video file be only 512 kbps?

Windows is telling me that the bit rate of a 7 Gb video I have downloaded is only 64 kbps. I have read I need to multiply by 8 to get the actual bit rate. Still it's only 512 kbps, which seems very ...
0
votes
1answer
30 views

How to use ffmpeg to add jpeg image before and after the video

I am using the latest version 2.8.5 ffmpeg on Windows and I want to add 5s intro jpeg frame at the beginning of the video starts, and a 5s jpeg end frame at the end of the video. I found a lot of ...
0
votes
1answer
37 views

How can I use a PC's monitor output as an input in anoter PC?

I would like to make some real time video mixing setup where there will be multiple PCs creating CGI/graphic output and many cameras creating real life output that should be connected to a mixer PC ...
2
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 ...
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
1answer
32 views

Rotate AVI video by 90 degree

I used to apply this command to transcode videos of my mobile phone to AVI: ffmpeg -i Input.mov -s 640x360 -sameq -vcodec msmpeg4v2 -acodec libmp3lame Output.avi Now I'd like to rotate some videos ...
11
votes
4answers
4k views

Speedup a Video on linux

I dont want to use player like vlc to speedup the playback. I want to actually speedup playback in the original file. Its like I want video to be played 2 times faster.
0
votes
1answer
40 views

Scaling a video fails

I am using avconv to scale a video to a lower size. I just want to make video width smaller, and allow height to adjust automatically with the width to keep proportions same. After the command, a file ...
11
votes
5answers
34k views

Can dual monitors make my PC slower?

I've noticed my PC (win-xp) seems to be running slower. (e.g., I'm getting jitter when watching video) Recently, I upgraded a monitor (larger) and expanded the size of the desktop to take advantage ...
0
votes
3answers
3k 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 ...
1
vote
1answer
881 views

ffmpeg merging mp3, mp4, no sound with copy codec

I am using ffmpeg to create a video. The source is a set of png images (one per frame) and an mp3 file. I want to create an mp4 with sound. I am doing it in two stages for now. Step one converts the ...
0
votes
0answers
39 views

OSX | Fullscreen videos creating separate desktop 10.11.3 | Multi-Monitor

Does anyone with a multi-monitor setup watch YouTube videos or Amazon, Hulu..etc. in fullscreen, using the video player controls to do so? Have you noticed a change since 10.11.3? I for one have. It ...
0
votes
0answers
29 views

ffmpeg keeps crashing while playing with ffserver. Can anyone fix this?

So here's the deal. I'm running into multiple errors between ffmpeg and ffserver. The videos are in great shape, far as I can tell, and they stream fine, individually. But when I use a list, well, ...
0
votes
2answers
491 views

Set a custom preset for HandbrakeCLI?

I'm at a very long task at converting 800+ small files to mp4, and I'm using Handbrake at the moment. Its fast, but since there are many files, it takes a lot of time. I created a automator workflow ...
0
votes
0answers
25 views

Cut and Compress 4K Video?

I have a 20 second video which size in 4K which size is 125 MB. It is only about a defective electronic component so accuracy is not important. I want it much smaller. I have these options in VLC ...
0
votes
0answers
19 views

Ffmpeg, error adding mp3 audio track to mp4

I have an mp4 which I created by stitching together 4 images and I need to add audio to it from an mp3. Per this question: How to apply audio track to a mute h264/mp4-video losslessly? I used: " -i ...
3
votes
1answer
3k views

FFMPEG webcam stream to Youtube drops frames

I need to do a live videostream on Youtube using a Logitech HD Pro Webcam C920. My OS is Fedora 20, and the command I am trying to use is: ffmpeg -f v4l2 -i /dev/video0 -flags +global_header -ac 1 ...
0
votes
1answer
30 views

FFMPEG under Windows 7(64 bit) - creating timelaps video from jpg

My goal is to create a video from a bunch of jpg files. I have chosen FFMPEG (Windows 64) to solve this task The task I have more than 4k jpg files in a directory, all following the naming ...
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
13k 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
0answers
27 views

vimeo.com shows Access Denied

Last few days I have noticed that, I can not access https://vimeo.com Whenever I go to vimeo it responds with a blank page stating "Access Denied". I have tried different methods to overcome this ...
0
votes
0answers
10 views

Movies are corrupted/ending in the middle

I watch movies in Media Player Classic Home Cinema. This is the third movie that the same issue happens. In the middle of it, the movie stops. When I go see what happened, it just jumps to the end ...