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

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11 views

VLC snapshot with full time index

I'm trying to manually thumbnail a bunch of videos, basically picking multiple thumbnails at key points in the video. I need the thumbnail to have the full timestamp of the video, e.g. something like ...
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1answer
19 views

How do I use the normalize video filter with FFMPEG?

I am trying to run a video processing command with the normalize filter with FFMPEG: ffmpeg -y -i input.mp4 -vf normalize=blackpt=black:whitept=white:smoothing=0 output.mp4but I am getting this ...
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1answer
13 views

Replace keyframes with custom ones in a video stream

Is it possible to use ffmpeg to extract all keyframes from a video stream (H.264 for example) and then (after I do some changes to them) inject them back into the same positions, retaining the other ...
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12 views

Overlaying Multiple image Overlay within second

I am trying to acheive the overlay images over the video so this command work but facing 2 issues1. Size of the image and position, it is match the video size2. Image Overlay Within second of ...
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0answers
16 views

Fastest HEVC decoder? [on hold]

Which is fastest HEVC decoder (free/paid)? I've very weak CPU. Any another better method to play HEVC (like best format to convert into) is also welcomed. I can play 1080 H.264 pretty well.
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1answer
17 views

What is the difference between the EXIF tags CreateDate, CreationDate, etc.?

When using exiftool to analyze some videos that I have, I noticed many date tags inherent to the creation of the video itself (so not dates like the last access or modification dates). Namely, here ...
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0answers
79 views

How to make video and audio timecodes start from zero?

This question will probably require the knowledge of the matroska format. When I mux video and audio together, audio packets start with timecode 0, and video starts with timecode 7. Should a 30fps ...
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1answer
42 views

How to avoid being deadlocked between FFMPEG 3.3.5 bug and needed feature?

A project requires an optional FFMPEG feature available in v3.3.5. A command sample is:ffmpeg -y -i original.mp4 -f lavfi -i color=c=black:s=960x540 \-filter_complex "[0:v]scale=-1:540[scaled], \...
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20 views

How to convert AVI-XVid to AVI-H264

I have a number of AVI movies with CoDec XVid-Mpeg-4; my Sony TV (KDL50W805C) will not play these.Other AVI movies with CoDec x264vfw-H264-Mpeg4-AVC are accepted and play perfectly.Can I convert ...
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1answer
50 views

Can VLC be set to enable subtitles by default?

I am looking for a way to set VLC so that by default it will enable a specific subtitle track (some people prefer to have these on by default just for ease of watching if there are multiple things ...
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1answer
44 views

What is wrong with my ffmpeg command?

I use this command to try to transcode a video file (video h264 high 10 to h264 high and copy all the rest) but it keeps giving me the error Unable to find a suitable output format for 'copy'copy: ...
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38 views

having problems running ffmpeg

I'm trying to download an r18 stream using ffmpeg with this command:ffmpeg -i http://limst-video3.r18.com:80/vodstreaming/r18/amlst:vod-1:xSDT2AKWfZwjUeMCjwpSlmgLCqC8KMcTGeShen-f6qPt6ol%2Bwg-8ygij-...
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0answers
70 views

PC shuts down when rendering a 1440p video using FFmpeg

I am rendering a video using a program that uses FFmpeg and every time I try rendering it shuts down my PC, no errors no messages, just shut down and starts up again without a message at all, not ...
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1answer
43 views

Crop video stream using ffmpeg

We need to rebroadcast rtsp stream to rtmp and it is working OK, but now we need to crop about 10 pixels from each side. We are using the below parameters, but it is not working: ffmpeg -i rtsp://...
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26 views

Bitrate data on RTMP stream

When I check the RTMP stream with ffprobe and rtmpdump, Some streams are show the audio and video bitrate data. But some others not. What cause this happen?And, I'm using the wowza as the origin ...

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