search for: yuv4mpegpip

I am using theora_encode along with ffmpeg: ffmpeg -an -s 1920x1080 -r 24 -i bigbuckbunny.mp4 -vcodec rawvideo \ -pix_fmt yuv420p -f rawvideo - 2>/dev/null \ | ffmpeg -an -f rawvideo -s 1920x1080 -r 24 -i - -f yuv4mpegpipe - 2>/dev/null \ |* theora_encode /dev/stdin 2>/dev/null *| ffmpeg -y -f ogg -i - \ -f mp4 -i bigbuckbunny.mp4 -map 0:0 -map 1:1 -vcodec copy \ -acodec libvorbis -ab 256000 -f ogg bigbuckbunny.ogv I am running Linux x86_64, and I got theora_encode from the package theora-tools. Here's t...

...upport the <video> tag. The URL is here: http://media.basilgohar.com/stream/ There's been a lot of talk about live streaming and low bitrate streams. Here is my command line (I've posted this before): time ffmpeg -f video4linux2 -s 640x480 -r 15 -i /dev/video0 -pix_fmt yuv420p -f yuv4mpegpipe - 2>/dev/null | ~/packages/theora/examples/encoder_example --video-rate-target 150 --soft-target - | tee /home/basil.gohar/Videos/webcam-capture-`date +%F-%T`.ogv | oggfwd -d 'Live webcam view of me at work' -g 'Webcam' -n 'Basil at work' aalimraan.hidayahonline.net 8000...

https://roundup.ffmpeg.org/roundup/ffmpeg/issue1197 I had originally encountered this problem using ffmpeg2theora. I switched to ffmpeg proper in an attempt to identify where the problem was at, and found that the problem persisted. As a result I had thought this was a problem with ffmpeg, but the ffmpeg folks seem to indicate that this is specific to Theora (too much finger pointing I think.) I

Theora-devs: I am in seek of a theora (but possibly vorbis/ogg/ffmpeg) dev to optimize the encoding in a realtime software product. We do live encoding and transcode into ogg/theora/vorbis at various resolutions and frame rates. The higher resolutions cannot process in realtime and we are pushing the boundaries of hardware (cpu) encoding with the existing theora/ffmpeg. Right now we have to

...-target along with --video-quality to get a minimum video quality, which might be the key to what I am asking. Anyone else have some thoughts on this? For those that are interested, here are my command-line: > time ffmpeg -f video4linux2 -s 640x480 -r 15 -i /dev/video0 -pix_fmt > yuv420p -f yuv4mpegpipe - 2>/dev/null | > ~/packages/theora/examples/encoder_example --video-rate-target 150 > --soft-target - | tee /home/basil.gohar/Videos/webcam-capture-`date > +%Y%m%d`.ogv | oggfwd -d 'Live webcam view of me at work' -g 'Webcam' > -n 'Basil at work' aalimraan.h...