Questions tagged [ffmpeg]
a free software package including libraries and programs for handling multimedia data.
114
questions
1
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1answer
25 views
Streaming video+audio from Pi4 to Pi4 via ethernet
I would like to stream video & audio from one Pi4 (equipped with mic/cam) to another Pi4 (equipped with screen/speaker) via ethernet (cable connected directly between them).
I've looked around, ...
0
votes
0answers
118 views
send a MJPG stream to twitch using ffmpeg on a raspberry pi 4
I'm trying to stream the contents of my webcam (a Logitech C270) to twitch, using ffmpeg on a raspberry pi 4 with four gigabytes of RAM.
According to v4l2 (v4l2-ctl -d /dev/video0 --list-formats-ext), ...
0
votes
1answer
61 views
ImportError: librsvg-2.so.2: cannot open shared object file: No such file or directory
I am having issues with the rsvg2 library which is a dependency of ffmpeg and opencv.
I have installed ffmpeg using the standard sudo apt install ffmpeg and Python-opencv with pip install opencv-...
0
votes
1answer
1k views
How do you set hardware video encoder options with V4L2 M2M?
TL;DR When using ffmpeg and the h264_v4l2m2m hardware-accelerated codec, how do I set the encoder options such as the bitrate and key frame interval?
Details
I am using these commands to capture raw ...
0
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0answers
230 views
How to install ffserver on a Raspberry pi 4?
After searching many forums, and finding broken tutorials and outdated how-tos, I can't find the way to have ffserver installed alongside with ffmpeg.
So, as everyone seems to claim that ffserver is ...
0
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0answers
69 views
Is RPI B+ capable of ffmpeg raspivid and aac audio at speed 1x?
since a longtime I do livestream to youtube or twitch with 'copy' codec of raspivid (1280x720@25) and sound from /dev/zero
Now I try to add an audio track from chinese usb mic.
If I use copy audio ...
0
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0answers
99 views
FFMPEG [48.0K blob data]
Hello there i am using ffmpeg on my Raspberry Pi Zero W for RTSP stream.
My stream script is :
raspivid -t 0 -a 1024 -a "Camera Number" -a 12 -ae 32 -n -w 1280 -h 720 -fps 15 -o - | ffmpeg -...
0
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0answers
121 views
Live streaming camera and microphone input on a Raspberry Pi 4
I got a a Raspberry Pi camera and a USB microphone connected to the Raspberry Pi 4. All of them are working seperately. But now, I would like to stream them live and combined for accessing it in HTML. ...
0
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0answers
144 views
Stream video from USB device using a Pi Zero
A friend of mine has a bird box with a camera system setup which transmits its images to a receiver plugged into their TV.
They asked me if it would be possible to view the footage on a mobile phone ...
0
votes
1answer
73 views
Fast video recording with webcamera
I want to connect at least one webcamera to RPi3 and record smooth 1080p 30fps video. RPi camera is capable of that even on RPi Zero. But everything I tried on RPi 3 gives maximum 8 fps on 720p. Is ...
0
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0answers
687 views
I have a Logitech c930e camera, what is the highest frame rate I can get at max. resolution? (i.e. 1920x1080)
I have a c930e camera:
$ v4l2-ctl --list-devices
Logitech Webcam C930e (usb-0000:00:1d.0-1.3):
/dev/video0
I checked the capabilities like so:
$ ffmpeg -f v4l2 -list_formats all -i /dev/video0
[...
1
vote
0answers
52 views
ffmpeg on Raspberry Pi unable to stitch many photos into video
I'm working on a program in which I have a folder full of images, named in the form image0000.jpg, image00001.jpg, and so on, and I want to stitch these images together into a video.
To do this, in ...
0
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0answers
121 views
How do I disown a youtube-dl process and have it finish multiple downloads?
I am using youtube-dl to download an entire playlist of videos. I would like to do this overnight as the videos are quite long. The first video continues to download after being disowned, but the ...
6
votes
1answer
7k views
RPI 4 - ffmpeg - how to get hardware h.264 decoding to work?
I have had good success on the RPi 3 using ffmpeg to decode h.264 streams from various Ethernet video sources. However, on the RPi 4, when I include the -c:v h264_mmal directive, it appears to ...
1
vote
1answer
480 views
Omxplayer live RTSP / ffmpeg record
I have a problem on my rpi 3 b+, when i record the screen using this
ffmpeg -f x11grab -r 30 -s cif -i :0.0 /tmp/out.mpg
it was able to record it properly but when omxplayer plays RTSP.
it doesn't ...
1
vote
0answers
53 views
What's the maximum rf fm signal that i can generate using raspberry pi?
I am planning to create a raspberry pi based monitoring system where my raspberry pi acts as a transmitter. I learned that we can use pi to generate FM signals from RPiTX project.
I am planning to ...
2
votes
1answer
395 views
Stream camera input over 5G WiFi to multicast address using FFMpeg
I am trying to stream my Intel RealSense D435 RGB camera input to a multicast address on my network.
Please note, video streaming, encoding, is very new to me - I do not understand much, when ...
1
vote
0answers
3k views
Broadcast camera feed to network using Raspberry Pi 4 with FFMpeg
Good day all
So I have to try to stream my Intel Realsense D435 camera to my local network.
After reading up on many different sites, tutorials, etc I figured out the following:
What can I do with ...
0
votes
0answers
242 views
Untrunc / repair mp4
I have been trying all day to get untrunc installed on my Raspian (Pi 4) but have not made any headway.
https://github.com/ponchio/untrunc is what I've been following. After that compile step, I ...
2
votes
1answer
664 views
Unable to stream live on Youtube using Raspberry Pi Zero W using ffmpeg
I am trying to stream live on Youtube using a Raspberry Pi Zero W and a raspicam. I have installed ffmpeg using the instructions in this link. I am trying to start the streaming on Youtube using the ...
0
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0answers
35 views
How can I download FFMpeg git? I keep getting permission denied error
I tried many ways to download FFMpeg but to no avail. http://jollejolles.com/installing-ffmpeg-with-h264-support-on-raspberry-pi/
I used this website as reference and I managed to do everything up to ...
1
vote
0answers
51 views
minidlna ‘PIX_FMT_RGB32_1’ undeclared error with libavutil
I'm trying to compile the latest miniDLNA code from https://github.com/folhabranca/minidlna on raspbian jessie (8)
I installed libavutils and libavutils-dev from respositories
But when I make I get: ...
1
vote
1answer
73 views
Avconv streaming to URL - need help
I'm trying to learn as I go but haven't managed to come up with the answer to my issue here. I'm trying to stream to a URL using the 'pi-camera-connect' package and the 'avconv' package.
The video on ...
1
vote
3answers
10k views
Read ip camera stream video on python using opencv3
I installed opencv3 installation link on my raspberrypi 3 and i've tested this, everything is ok, but when i try to read the ipcamera video stream encountered this error
self.stream = cv2....
0
votes
0answers
28 views
Is it possible to gradually save data while recording. In order not to lose them in case of power failure?
I use the ffmpeg library to record audio and video. If a power failure occurs, the video file becomes 0 bytes. How can I record, so as not to lose data?
my ffmpeg configuration
ffmpeg \
-hide_banner ...
1
vote
0answers
328 views
Audio/Video drift when streaming to Twitch using FFMpeg
I'm trying to build a Twitch streaming box to stream from an input device.
Link to the project is:
https://github.com/jimbobbennett/RaspberryPiTwitchStreamer
My setup is:
Raspberry Pi Model 3B+
...
1
vote
0answers
123 views
How to merge the audio stream incoming from other system
The ffmpeg is running on my RPi 3B, currently.
My RPi has USB H.264 CAM and USB audio converter and is sending live stream to YouTube with rtmp.
Some case, audio source is coming about 150m far from ...
1
vote
1answer
548 views
FFMPEG Raspivid Videos are shorter than they are supposed to be
I am recording and piping my video with the following command :
raspivid -w 1920 -h 1080 -fps 25 -b 7000000 -o - -t 0 | ffmpeg -re -f h264 -framerate 25 -i - -vcodec copy -y -r 25 -strict ...
0
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0answers
152 views
SIP video call Performance issue
I'm facing performance issue during video call made between RaspberryPI3 and Laptop, the video image from RaspberryPI3 are not running smooth and the overall CPU usage consumes more than 80%. Here ...
1
vote
0answers
284 views
Cross-compiling for Raspberry Pi 0/1
I am trying to cross compile FFmpeg for a Raspberry Pi 0/1 running Raspbian Strech.
I am following this guide on the official site but I have come to a standstill.
Although I am trying to compile ...
0
votes
0answers
808 views
RPi Zero W (Jessie) ffmpeg illegal instruction
Trying to build and install ffmpeg with hardware encoder and rtsp streaming enabled. Attempted to follow instructions here: (https://github.com/KhaosT/homebridge-camera-ffmpeg/wiki/Raspberry-PI) but ...
0
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0answers
448 views
FFMPEG video rendering on raspberry pi 3b+
I'm currently planning on making a little GIF making machine.
After a button press, the rPi records a 5 seconde video from a 720p USB camera.
Then, the rPi should chroma key the video and then convert ...
1
vote
1answer
1k views
ffmpeg - Video Audio Capture with Compression
I am running ffmpeg script that captures webcam video and microphone audio and then uses video compression before saving the audio/video mp4 file. The script works on my desktop but cause error on my ...
1
vote
1answer
577 views
FFMpeg doesn't have tools/zmqsend
We are trying to use zmqsend (it's part of the ffmpeg repository) to communicate with a ffmpeg instance. On Raspbian, ffmpeg is configured with --enable-libzmq, and libzmq-dev is installed, but ...
1
vote
1answer
5k views
How to increase usb webcam fps?
To record video from my USB webcam I use ffmpeg with v4l2 driver (command below).
ffmpeg -f v4l2 -r 30 -s 640x480 -an -sn -i /dev/video0 -f avi temp
Unfortunately fps is too low for 640x480 (around ...
0
votes
0answers
608 views
raspicam TCP video streaming over ssh - almost there.... but need help
I am trying to pipe raspivid over ssh to my main computer, and then via gstreamer send the stream to a dummy video device (thanks to V4l2loopback)
environment :
v4l2loopback version: 0.12.0
kernel ...
0
votes
0answers
498 views
Getting low FPS while using x11grab ffmpeg
Question : Why I am getting ~7 FPS even I have specified 30 ?
I am using raspberry pi 3 and compiled latest soruce code from the GIT and still getting low fps(~7) while using below ffmpeg command ...
1
vote
0answers
606 views
Low video quality with h264_omx encoder
I have a Logitech C922 webcam and I'm recording using ffmpeg with this settings:
ffmpeg -thread_queue_size 1024 -f alsa -r 16000 -i hw:1,0 -f video4linux2 -thread_queue_size 512 -s 1920x1080 -i /dev/...
2
votes
1answer
1k views
Raspberry Pi Zero hardware based video encoding
I'm trying to build a dashcam with a Raspberry Pi Zero with an official Raspberry Pi Camera (version 2) in an official Raspberry Pi Zero case mounted with a old GPS device cradle. I installed motion ...
0
votes
1answer
532 views
Retroactive audio recording/continuously record audio, save last X minutes on command?
I'm trying to set up my Raspberry Pi to continuously record the last X minutes of audio until given the command to save it to a file. The only comparison I can make is an NVIDIA Shadowplay for audio. ...
1
vote
1answer
3k views
Pi3 B+ FFMPEG encode x265 very slow
I just bought a RPI3 B+ with the hopes of using it as a media encoding box. I built ffmpeg, and use the following to transcode media from h264 to h265
ffmpeg -i "$i" -c:v libx265 -crf 28 -c:a aac -b:...
0
votes
2answers
5k views
Installing MPV with FFmpeg + MMAL: Could not create EGL surface!
I would like to build mpv from source for the raspberry pi. This is turning out to be quite difficult.
Error
pi@raspberrypi:~ $ ./mpv-build/mpv/build/mpv --hwdec=mmal --vo=rpi --log-file=~/mpv.log ...
2
votes
1answer
1k views
MPV with MMAL does not open application window
I've built mpv on the raspberry pi 3b+ (stretch-2018-06-27) using the following procedure from:
No OpenGL hardware rendering using
mpv
Quick & Easy: Hardware Accelerated MPV on Raspberry Pi 1/2/3 ...
1
vote
0answers
361 views
Audioinjector streaming over RTP input errors: "hw:0,0: Protocol not found", "Unknown input format: 'alsa'"
Using a RPI 3B running Debian Jessie, I've been trying to get a simple stream of the "flatmax" audioinjector's onboard mic over RTP to a VLC player. I've tried many different commands such as:
...
0
votes
1answer
628 views
mpv error - could not get dispmanx
I've tried to install mpv for raspberry pi using mpv-build (with maal, 256 graphics mem) because I would like to modify the code.
it seemed like it was finally a success until I tried to run ...
2
votes
1answer
263 views
What is ffmpeg "rpt1" version?
When I run apt-cache show ffmpeg, there are two versions available. One of them has "rpt1" on the end of the version number. I can't find any info about this; what is the difference between the two? ...
3
votes
1answer
2k views
Streaming RTSP feed over DLNA
I have a 'smart' TV that has a very limited set of functions, one of them being it can stream videos from any DLNA server on the LAN.
I have an RTSP stream on the network that I would like to view on ...
2
votes
0answers
2k views
Streaming audio on the Raspberry Pi Zero W with ffmpeg
I have a problem with ffmpeg giving no audio when recording using alsa.
Does anyone know how to get a Raspberry Pi Zero W to record and stream audio with ffmpeg using alsa?
I have a project where I ...
1
vote
0answers
2k views
How to stream low latency camera feed to RTMP server
Are there any optimizations or recommended techniques for streaming a camera feed from a raspberry pi to an RTMP server. Currently I get a 1-2 second lag when I run:
raspivid -n -t 0 -w 1280 -h 720 -...
0
votes
1answer
821 views
Straming Raspberry camera to own Apache Server - Command not found
I am planning to implement a camera video stream from the Raspberry Pi to its own Apache server. I trying to solve this for a week now and i am pretty frustrated by now. I came across this tutorial ...
