Stack Overflow
Stack Overflow

Questions tagged [ffplay]

36 questions
0
votes
0 answers

Receiving low-latency video stream from Raspberry Pi and displaying in a GUI application

I have a Raspberry Pi which is streaming video feed from the camera via TCP using libcamera module. I want to write a Python application on another device that receives this stream and displays it in a GUI window. The most important part is low…
J R
  • 227
  • 3
  • 8
0
votes
0 answers

Ubuntu Desktop Launcher behaving differently than in Terminal

I run a small interactive script, that at its end, plays a very long video stream using ffplay. Since this is a very long video stream, the user usually closes the terminal windows that the script runs from. The relevant part of the script looks…
rfl
  • 1
0
votes
0 answers

How to cut video, add audio and burn subtitle while cropping video all in one command - ffmpeg

Currently I have the following code, which cuts the video, adds audio and burns subtitle into the video. -ss 00:00:30 -t -i video.mp4 -i audio.wav -vcodec copy -acodec copy -map 0:0 -map 1:0 -vf subtitles=subtitle.srt but I need to crop the video…
constantlyFlagged
  • 360
  • 1
  • 19
0
votes
1 answer

Issues with adding the current timestamp of a video when using FFPLAY

Hi i am trying to add to display the current time of the video as an overlay. i have tried to do follow the answer of this previous post: https://superuser.com/questions/968685/how-to-display-current-time-with-the-ffplay-exe but with no luck. This…
lalelarsen1
  • 3
  • 2
0
votes
0 answers

Use ffplay to output video to framebuffer

What would the command be to play a video (.avi/MPEG4) to the FrameBuffer using ffplay? Device is an i.MX6ULL running Linux.
Dane
  • 121
  • 6
0
votes
0 answers

trying to read .smp stream using ffmpeg over windows cmd

Am trying to read the stream over windows CMD using ffmpeg. I am able to stream the same link to VLC Player but Cmd showing bellow error. The camera used here is : **Hanwha ** So when i run this command, there is error "Invalid data found when…
Moayad Rayyan
  • 89
  • 7
0
votes
1 answer

How to ffplay reversed audio?

How can I play the audio backwards with ffplay? ffplay -af reverse file.mp3 gives the error "Media type mismatch between the 'ffplay_abuffer' filter output pad 0 (audio) and the 'Parsed_reverse_0' filter input pad 0 (video)"
theonlygusti
  • 11,032
  • 11
  • 64
  • 119
0
votes
1 answer

ffmpeg/ffplay/libav: how to play out a muxed RTP/RTCP stream using an SDP file?

I'm trying to play out an incoming RTP audio stream using ffplay (or, alternatively, by using my own code which uses libav). The incoming stream is muxing RTP and RTCP packets. The playout works, but two local UDP ports are used: The port I'm…
Roel
  • 329
  • 1
  • 4
  • 14
0
votes
0 answers

How to get FFPLAY to stop/exit after set time of showing streaming?

I am playing streaming from an IP camera with FFPLAY, using a Raspberry Pi with an HDMI monitor connected to it. Everything goes well (window placing, resizing, etc), except that I need FFPLAY to stop afer N seconds. I have tried a few things,…
PiBer2
  • 159
  • 10
0
votes
0 answers

FFPLAY Error in running RTSP stream from IP Webcam on Ubuntu

I am unable to run FFPLAY using rtsp stream of my IP webcam on ubuntu. It runs perfectly on windows 10 command prompt. ffplay -rtsp_transport tcp rtsp://xxx.xxx.x.xx:8080/h264_noaudio.sdp ffplay version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2003-2021…
SagarKaushik
  • 1
  • 1
0
votes
0 answers

Different audio output devices for simultaneous processes (Python + ffplay)

I have two mp3 files: audio1.mp3 and audio2.mp3. I am currently able to play them both at the same time by using Python subprocess and ffplay. (Using Windows' PowerShell currently, but answers regarding a Linux systems are also…
Pedro Rossi
  • 15
  • 4
0
votes
1 answer

Problem with ffplay from webcam stream using complex filters

I'm trying to stream video from a webcam (at /dev/video2) through ffplay to scale and recolor it, add some text, and then reduce the number of colors with palettes. I don't get any errors, but running the ffplay command: ffplay -i /dev/video2 -vf…
efelbar
  • 13
  • 1
  • 1
0
votes
0 answers

FFPlay: How to manually select video quality during playing the mpd stream?

I used ffplay to play mpd stream and successed, Here the MPD file:
Brian_wu
  • 53
  • 4
0
votes
1 answer

play encrypted video and add watermark using ffplay in electron (or nodejs)

I'm using electron(you can consider it as nodejs) for making a player for playing encrypted videos. using code below I'm able to encypt videos exec( ffmpeg -i "${file}" -encryption_scheme cenc-aes-ctr -encryption_key ${encryptionKey}…
Aliking66
  • 31
  • 7
-1
votes
0 answers

how to let ffplay process whats happening?

my ffplay is trying to hard to process something. I sped up my voice in real-time with ffmpeg and I am using ffplay. ffplay is trying to process my voice fast but isn't able to because it cant go past time. someone told me to use -re before -i but…
boplip
  • 1
1
2
3