Questions tagged [ffmpeg]
a free software package including libraries and programs for handling multimedia data.
117
questions
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Unknow error uploading generating video thumbnail via PHP-FFMpeg
I'm running Rasbian os + PHP 7.3 on Nginx and I'm facing a problem when uploading and generating a thumbnail of a video file. I have FFMpeg on my OS, I chmod 777 the folders, I even visudo and added ...
- 111
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0
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23
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Audio and Video Recoding over RPi Zero suggestions
I want to record both audio and video to my local using rpi zero. I've been struggling with this for a long time and at the end of the day there are 2 different problems that I can't solve for 2 ...
3
votes
1
answer
599
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Hardware-encoding (h264_v4l2m2m) a MJPEG stream from a webcam
I have a 1080p webcam connected to a Raspberry Pi 4B over USB. The camera supports the following formats:
Raw : yuyv422 : YUYV 4:2:2
Compressed: mjpeg : Motion-JPEG
...
- 131
0
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0
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350
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No device available for decoder: device type vaapi needed for codec h264
I am currently trying to decode video using H/W accel on my raspberry pi 4 (Raspberry Pi OS Lite 64bit). However it throws the following error and stops decoding
$ /home/pi/bin/ffmpeg -hwaccel vaapi -...
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0
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71
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Raspberry Pi 64bit FFmpeg with x264 compilation problem
I have been using this link to compile the ffmpeg for Raspberry Pi 3B+ before.
I now upgraded my Raspberry pi to 64bit and I am having trouble compiling and upon doing the make -j4 this is the error ...
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146
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Video Streaming to web from DSLR
(Edit with latest parameters)
Good evening everyone!
I'm trying to set up a live streaming scenario as follows:
DSLR camera for capture, USB linked to
Raspberry Pi 3b+ running up-to-date Raspbian 11 (...
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1
vote
1
answer
50
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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, ...
user142820
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466
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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), ...
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0
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1
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252
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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-...
- 101
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1
answer
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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 ...
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107
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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 ...
- 119
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0
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182
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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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1
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151
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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 ...
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1
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832
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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
[...
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78
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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 ...
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156
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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 ...
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1
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9k
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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 ...
- 189
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1
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542
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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 ...
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0
answers
60
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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
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1
answer
477
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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 ...
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3k
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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 ...
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0
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306
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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 ...
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2
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1
answer
769
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 ...
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0
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0
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36
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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 ...
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0
answers
55
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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: ...
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1
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1
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77
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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 ...
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3
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11k
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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....
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30
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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 ...
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1
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0
answers
370
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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+
...
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1
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0
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133
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 ...
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1
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585
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 ...
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0
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157
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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 ...
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1
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0
answers
306
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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 ...
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0
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835
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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 ...
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479
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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 ...
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1
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1k
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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 ...
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1
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690
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 ...
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6k
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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 ...
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667
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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
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0
answers
559
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
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0
answers
620
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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/...
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3
votes
1
answer
2k
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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 ...
- 203
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599
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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. ...
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1
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3k
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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:...
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2
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5k
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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 ...
- 125
2
votes
1
answer
1k
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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 ...
- 125
1
vote
0
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393
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:
...
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0
votes
1
answer
658
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 ...
- 125
2
votes
1
answer
290
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? ...
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votes
1
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3k
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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 ...
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