On Sat, Aug 14, 2021 at 6:06 AM Alex via ffmpeg-user <[email protected]> wrote:
> I'm using ffplay as a live preview for my capture card, and I'm trying to > use > the yadif filter in mode 1 (send_field) to deinterlace the 59.94i input to > 59.94 fps. > > Using this command works as expected: > > ffplay -f dshow -i video="SA7160 PCI, Analog 01 Capture" -vf yadif=1 > > However, if I try the same command with an audio device included, the frame > rate appears capped at 29.97 fps as if I were using mode 0 (send_frame): > > ffplay -f dshow -i video="SA7160 PCI, Analog 01 Capture":audio="SA7160 > PCI, > Analog 01 WaveIn" -vf yadif=1 > > Why does the filter only work properly when there is no audio device on the > input? Is there a workaround for this or is it a bug? > It is issue how you use device. > > Here's a screen recording as a demonstration: > https://streamable.com/p0v9rk > Console output is attached. > > Alex_______________________________________________ > 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". > _______________________________________________ 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".
