关于征集“2015绿色公路发展年会”论文的通知
78 questions
1
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2
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Is this a problem in my command, the stream, or FFMPEG itself?
I am not sure if this is the correct Stack Exchange site for this question. I originally posted it on Stackoverflow, but looks like it will be closed there as "off-topic".
I am trying to ...
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1
vote
1
answer
128
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Webpage as a stream overlay using ffmpeg
Probably this is a dumb question but I haven't found anything talking about a way to display as overlay an active webpage.
I use to stream volleyball match using rtmp from my mobilephone to ossrs ...
0
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1
answer
174
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Generate HLS streams from pre-encoded videos without re-encoding using ffmpeg
I have three videos: low.mp4, mid.mp4 and high.mp4, all of which were generated from the same source file using ffmpeg with the following command:
ffmpeg -y -i source.mp4 -c:v libx264 -crf SOMEVALUE -...
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0
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0
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34
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How to modify video framing while encoding at runtime?
I'm developing a webapp to direct volleyball matches from the gym taking score, scouting and live stream integrating all these features in a single panel rendered on a mobile phone screen.
My issue is ...
0
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1
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890
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ffmpeg dash output for multiple resolutions to be in the same mpd file
I am using ffmpeg to convert an input stream into multiple resolutions and creating an mpd for each resolution.
So far, so good.
But I am trying to find a way to create a single mpd for all ...
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1
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136
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Pink and green color on overlay logo
I ran into such a problem with hls streaming, adding filters to the overlay logo, but it was smeared with pink and green stripes. Has anyone come across this.
ffmpeg -f concat -safe 0 -re -i <(for ...
0
votes
0
answers
180
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Offsets in HLS video segments
I am streaming video from a camera to a process that monitors the stream for specific events. I am able to connect to the camera, download the m3u8 playlist, fetch the individual AVI video segments ...
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1
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0
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95
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Green screen on RTSP stream from USB camera using mediamtx (ffmpeg)
I need to cast a stream from a USB camera via RTSP as stable as possible (at any moment i need to be able to get a static picture on a remote host, reflecting the real state of affairs in front of the ...
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0
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1
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2k
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restreaming rtsp using ffmpeg delay problem
I have ip and usb cameras. I try restream rtsp from camera using ffmpeg and mediamtx (rtsp simple server). For usb camera it works fine without any delay:
mediamtx output:
anton@anton:~$ ...
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0
votes
1
answer
464
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What video container formats are similar to MPEG-TS?
I have been looking to live video streaming where a client can join the stream of bytes and play the video automatically. I have recently found MPEG-TS which seems to work pretty well, and I noticed ...
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2
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1
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2k
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Can I inject subtitles into a live stream with FFmpeg?
In my live streaming scenario I need to grab a video source and inject subtitles that I generate algorithmically during the stream (i.e. I do not know the subtitles upfront), and publish the streams ...
- 121
1
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1
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886
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FFMPEG: FIFO buffer to smoothen bandwidth requirements?
I'm trying to achieve something pretty simple, but it's very hard to describe:
There is a live video stream which uses h264 for it's video, and m4a for it's audio. This stream is not mine, and I have ...
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5
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1
answer
60k
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RTMP server using ffmpeg
I'd like to use a Teradek Cube connected to a broadcast camera to push to a server running ffmpeg with an open RTMP port, and have ffmpeg re-stream that feed to a decoder using RTMP or RTSP.
...
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2
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1
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682
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Trouble combining audio and video streams
I have two streams, one audio and the other video. I'm trying to combine them using this command:
ffmpeg -y -i audio.m3u8 -i video.m3u8 -c copy Video.mp4
I found this syntax here:
http://video....
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0
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1
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4k
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I have .mpd file with video and audio data downloaded, how can I play it for offline use?
I want to ask that I have downloaded data which contains audio and video data separately like 1.mp4, 2.mp4 etc in both audio and video folders.
Video/Audio folder content :-
I also have it's .mpd ...
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