Questions tagged [ffplay]
36 questions
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Using libav, how to force RTSP stream over TCP?
By using ffmpeg or ffplay you may specify "-rtsp_transport tcp" switch to force the rtsp stream be opened via tcp. In programming, I'm using libav to open the rtsp stream with the following code:
AVDictionary *options = NULL;
av_dict_set(&options,…

hamidi
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1 answer
Projecting camera feed with a delay
I'm working on a project which involves capturing output from a camera via HDMI (Sony Alpha A7 IV), and projecting it via a laser/lamp projector, but the catch is that the stream which is going into the projector should be delayed by ~4 minutes. (If…

Viktor Vošček
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1 answer
How to Combine two Live Streams(mjpeg + pcm) for ffmpeg or ffplay playback?
What's the correct command to combine two live streams (mjpeg + pcm) for playback?
Currently, I have to playback them separately via ffplay. Is it possible to combine them as one for playback?
//video stream mjpeg
ffplay…

sharimken
- 169
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1 answer
A ffplay Error :"Failed to set value 'yuv420p' for option 'pix_fmt': Option not found"
I was trying to play a video by ffplay. Here’s my command:
ffplay -f rawvideo -pix_fmt yuv420p -video_size 640x360 Resources/video.h264
but I got this error:
Failed to set value 'yuv420p’ for option 'pix_fmt: Option not found
So l used another…

DavisTao
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votes
1 answer
How can I clean the sound of aplay received by a caputre card
I am trying to setup my linux desktop to be able to view and listent to the device connected to my capture card. I wrote this 2 liner script to be able to do that however my sound is out of tone and a bit distorted, how could I clean it up?
arecord…

didentifier
- 29
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votes
1 answer
ffplay - route incoming audio stream to specific channels / convert channel layout
i need to play a mp3 stream (stereo) via ffplay and send it to specific output channels on my multichannel audio hardware.
stream (stereo) -> output 3 & 4
while doing that the unused channels should stay silent, as i want to send to them from other…

miasma
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