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Questions tagged [h264]

h264 is a widely used video compression codec standard

9 questions with no upvoted or accepted answers
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670 views

ffmpeg slideshow on raspberry pi raspbian

I'm trying to make a slideshow video from few (in this case 3) .jpgs. To do this, I'm using ffmpeg -r 1/5 -i bat%03d.jpg -c:v libx264 -r 30 -pix_fmt yuv420p proba12.mp4 and actually it works on ...
2
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0answers
1k views

omxplayer ignores --fps option when playing h264 file

I made a video using the Raspberry Pi camera that came with a .h264 extension. I know that this file doesn't have the fps metadata associated with it. I found that playing it with omxplayer like this: ...
1
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0answers
72 views

Strange segfault after several hours of running program

I created a program fairly closely related to hello_pi/hello_video.c. And for some reason after several hours of running the program I get these very strange segfaults that I cannot for the life of me ...
1
vote
0answers
71 views

Is it possible to run H.264 hardware encoding on video from a monochrome ArduCam module?

I am early in the design phase for a camera array of ~12 units. Each unit will be comprised of an ArduCam camera module (possibly the OV9281) and a Raspberry Pi to compress the video data and send it ...
1
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0answers
303 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/...
1
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0answers
1k views

Video streaming over Bluetooth from RPi3 to android app

I'm building a robot that is controlled using a Android app by sending commands over Bluetooth. I would like to also get a video over bluetooth to my android app from RPi3. My question here is, did ...
1
vote
0answers
2k views

OpenCV VideoWriter and Hardware h264

I'm working on a python/pygame application, and i'm facing some difficulties when I try to capture a video from a usb camera (640x480) to a h264 encoded file, through OpenCV. Everything work fine with ...
0
votes
0answers
123 views

VLC cannot read mjpeg video produced over USB webcam

I'm trying to use vlc to transcode a mjpeg stream from a USB camera connected to a raspberry pi 3B+, however VLC seems unable to read the mjpeg video stream from the camera, I already checked the v4l2-...
0
votes
1answer
371 views

Omxplayer doesn't play videos when OpenGL enabled

Today I setup my new RPI3 B+ with raspbian stretch as a desktop (OpenGL enabled 128 mem split). I use RPIs for some time as servers but not as desktop. I tried to play video (with avc codec) with ...