Questions tagged [ffmpeg]

a free software package including libraries and programs for handling multimedia data.

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21 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-...
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1answer
207 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 ...
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86 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After searching many forums, and finding broken tutorials and outdated how-tos, I can't find the way to have ffserver installed alongside with ffmpeg.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 ...
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45 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 ...
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63 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 -...
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70 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. ...
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104 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 ...
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178 views

How do I make omxplayer playing /dev/video0 on raspberry pi

I am using the following script to play an HDMI video capture input connected to one of the usb ports of PI. #!/bin/bash rm /tmp/vbuf mkfifo /tmp/vbuf ffmpeg -loglevel -8 -y -f v4l2 -input_format ...
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0answers
107 views

How to access a ffserver stream from an external network?

I am using Gphoto2 library to get live preview from a DSLR, encoding it to a feed using FFmpeg, and am using a FFserver to create an SWF stream. The stream works perfectly on my raspberry pi and I am ...
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1answer
43 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 ...
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598 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 [...
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0answers
49 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 ...
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100 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 ...
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1answer
6k 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
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1answer
432 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 ...
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0answers
48 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
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1answer
343 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 ...
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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 ...
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234 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
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1answer
580 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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33 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 ...
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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: ...
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1answer
68 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 ...
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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....
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27 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 ...
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0answers
317 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+ ...
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0answers
119 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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1answer
505 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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0answers
149 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 ...
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0answers
268 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 ...
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0answers
790 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 ...
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0answers
440 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
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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
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1answer
520 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
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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 ...
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0answers
569 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 ...
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0answers
467 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 ...
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0answers
591 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/...
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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
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1answer
504 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
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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:...
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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
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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
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0answers
341 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
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1answer
618 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
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1answer
247 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
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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
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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 ...
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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
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1answer
794 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 ...