All Questions
Tagged with named-pipes ffmpeg
26
questions
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174
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Reading FFmpeg bytes from named pipes, extracted NAL units are bad/corrupted
I'm trying to read .mp4 file wtih ffmpeg and read bytes from the named pipe which I then want to package to RTP stream and send those packets over WebRTC.
What I learned is that H264 video consists of ...
0
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0
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707
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How to create a named pipe in Windows?
Is it possible without much effort (e.g. in command line or powershell), to create a named pipe?
My goal is to write continously to that pipe from a ffmpeg-process.
Without opening a Pipe at first the ...
2
votes
1
answer
728
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combine raw video and audio buffer and play using named pipes by ffplay
I have one video buffer and one audio buffer, I want to combine these buffers and play using ffplay as a combined entity, currently I am using this command , which obliviously doesn't work...
ffplay -...
1
vote
1
answer
600
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offloading to ffmpeg via named pipes in c#/dotnet core
I tried to break this down to the base elements so I hope this is clear. I want to take in a network stream, it may be a 1 way, it may be a protocol that requires 2 way communication, such as RTMP ...
0
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1
answer
660
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An efficient way to use Windows Named Pipe for IPC
I am using jna module to connect two processes that both perform FFMPEG commands. Send SDTOUT of FFMPEG command on the server side to NampedPipe and receive STDIN from that NampedPipe for other FFMPEG ...
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1k
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ffmpeg working with named pipes - Ubuntu 18
I am trying to work ffmpeg with name pipes but I can't get it to work as I want. My idea is simple: I have multiple segments of video and audio, I will use ffmpeg to use them as inputs and produce one ...
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2k
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Prevent FFmpeg from closing when a named pipe has been read completely
I'm doing a C++ application for a university project that takes a video file (e.g. matroska) and using FFmpeg (embedding commands inside std::system() instructions) apply these steps:
Extract chunks ...
2
votes
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123
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How Read .mp4 video and then put it in NamedPipeServerStream?
How I Might Put .mp4 readed with StreamReader and then put it into pipe?
I need to read the data and send it to the pipe. I read the .mpg4 file. Then I process it through ffmpeg. Am I trying to send ...
1
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0
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353
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make fifo pipe in java(windows), write some data into it, let other process read the pipe
My objective is to create a named pipe(fifo) in windows(java), write some data(coming from camera) into that and invoke ffmpeg command to make mp4 from that data. But I suspect that it is not opening ...
2
votes
1
answer
2k
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Working with mkfifo and transport streams, is this possible?
I want to execute a bash script that would do the following:
Application 'ffmpeg' generates a LIVE transport stream (.ts) file. I need to work on this live streaam (perform de-multiplexing, etc).
...
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1k
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Running ffmpeg with multiple pipes
Is there a way to let ffmpeg read from multiple buffers or multiple named pipes ?
Basically I want to output the first loop to different pipes instead of .jpg files, and run the video filter command ...
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192
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Vb.Net How Can I Send Video To Named Pipe?
I want to create name pipe and send all videos on my listbox to that named pipe. I can create a named pipe like this :
Dim p_to_ffmpeg As NamedPipeServerStream
p_to_ffmpeg = New ...
1
vote
0
answers
266
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Ffmpeg only receives a piece of information from the pipe
First of all - my english is not very good, i`m sorry for that.
I use ffmpeg from c# to convert images to video. To interact with ffmpeg, I use pipes.
public async Task<byte[]> ExecuteCommand(
...
1
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1
answer
1k
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Can ffmpeg resume reading from a pipe after interruption?
I couldn't decide whether this was superuser, SO or video production so my apologies if you think I got it wrong.
I've got a number of different video streams from various inputs on the computer (...
6
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1
answer
2k
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Redirect FFMPEG's output to multiple named pipes on Windows
I am trying to stream video and audio data into two separate named pipes on Windows.
ffmpeg.exe -f dshow -i video="My camera name":audio="My microphone name" -map 0:1 -ac 1 -f f32le \\.\pipe\...