Questions tagged [ffmpeg]
a free software package including libraries and programs for handling multimedia data.
119
questions
0
votes
0
answers
34
views
Raspberry Pi Camera feedback freezes when moving NEMA 17 stepper motor with A4988 stepper motor driver
I have a Raspberry Pi with a camera module and a NEMA 17 stepper motor connected to it. When I run the command ffplay /dev/video0, the video runs perfectly. However, whilst the video is running, and I ...
- 101
0
votes
1
answer
2k
views
Streaming straight from libcamera-vid to RTMP on Pi Zero 2 W: FFmpeg not needed?
I was able to figure out all of my libcamera stream settings needed to stream video from my Camera Module 3 and audio from a USB microphone in my RPi Zero W 2 straight to YouTube, which is as follows:
...
0
votes
0
answers
87
views
Performances increase for ffmpeg on Raspberry Pi
Situation
I am using ffmpeg to create GIFs from MKV files, adding subtitles from SRT files. My command usually looks like this:
ffmpeg -y -ss <start_time> -to <end_time> -copyts -i <MKV ...
- 101
2
votes
0
answers
578
views
ffplay udp streaming error and quality issue
I am receiving UDP streaming through ffmpeg ffplay, but there is a problem that the video is broken.
I'm using a GoPro Hero 10 camera, but I can't receive more than three camera streams because the ...
- 21
1
vote
0
answers
727
views
Pi 4: ffmpeg can't set gop size when using h264_v4l2m2m to encode video
The Raspberry Pi 4 can encode videos using hardware acceleration by using 64 bit Raspberry Pi OS, a particular ffmpeg fork and the h264_v4l2m2m codec. Alternatively, Ubuntu and the 4.4 version of ...
- 43
2
votes
1
answer
5k
views
Video encoding on Raspberry Pi 4 via ffmpeg and h264_v4l2m2m produces corrupted video
Raspberry Pi 4, 4 GB
Rapsberry Pi OS Lite, 64 bit (2022-09-22)
Kernel 5.15.61-v8+
ffmpeg 4.3.4-0+deb11u1+rpt3
config.txt has the following relevant entry:
# Enable DRM VC4 V3D driver
dtoverlay=vc4-...
- 43
1
vote
1
answer
69
views
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
3
votes
3
answers
4k
views
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
votes
0
answers
1k
views
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 -...
1
vote
1
answer
113
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, ...
user142820
0
votes
1
answer
761
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-...
- 101
2
votes
1
answer
5k
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 ...
- 1,814
0
votes
0
answers
187
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 ...
- 119
0
votes
0
answers
383
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
votes
1
answer
504
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 ...
- 1
0
votes
1
answer
1k
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
[...
- 156
1
vote
0
answers
141
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 ...
- 111
0
votes
0
answers
213
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 ...
- 103
6
votes
1
answer
13k
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 ...
- 189
1
vote
1
answer
634
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 ...
- 11
1
vote
0
answers
67
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
1
answer
593
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 ...
- 141
2
votes
0
answers
4k
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 ...
- 141
0
votes
0
answers
462
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 ...
- 1
3
votes
1
answer
957
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 ...
- 73
0
votes
0
answers
45
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
0
answers
63
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: ...
- 111
1
vote
1
answer
88
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 ...
- 121
1
vote
3
answers
11k
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....
- 299
0
votes
0
answers
35
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
1
vote
0
answers
424
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+
...
- 111
1
vote
0
answers
168
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 ...
- 11
1
vote
1
answer
623
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 ...
- 11
0
votes
0
answers
163
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 ...
- 117
1
vote
0
answers
364
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 ...
- 11
0
votes
0
answers
868
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
votes
0
answers
553
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 ...
- 121
1
vote
1
answer
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 ...
- 75
1
vote
1
answer
896
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 ...
- 121
1
vote
1
answer
8k
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
0
answers
774
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
0
answers
655
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 ...
- 23
1
vote
0
answers
702
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/...
- 11
3
votes
1
answer
2k
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 ...
- 203
0
votes
1
answer
787
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. ...
- 21
1
vote
1
answer
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:...
- 113
0
votes
2
answers
6k
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 ...
- 125
2
votes
1
answer
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 ...
- 125
1
vote
0
answers
436
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:
...
- 11
0
votes
1
answer
709
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