Am Do., 23. Mai 2019 um 20:34 Uhr schrieb Ide, Bruce (Contractor) <[email protected]>:
> This might be a better question for ffmpeg-developers, but I thought I’d ask > here, first. If you send a patch, please do not send it here but to the development mailing list. > I have a magewell HDMI capture card that provides a video4linux driver, and am > recording the output of a digital set top box to a webm file with this > command: > > ffmpeg -thread_queue_size 4096 -f v4l2 -i /dev/video0 \ > -thread_queue_size 4096 -f alsa -i hdmi_audio_0 -ac 2 -ar 48000 \ > -f webm \ > -c:v libvpx -threads 4 -speed 6 -r 15 -b:v 512 \ > -c:a libopus -ac 2 -threads 4 -ar 48000 \ > /tmp/video0.webm (Complete, uncut console output missing.) > While doing this, I navigate to the settings menu on the digital set top box > and change > the resolution from 720p to 1080p. The magewell driver and video4linux both > detect the > resolution change immediately, but the resolution of the video I’m recording > never changes. ffmpeg (the application) does not support changing output resolutions. Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
