[FFmpeg-user] Blackmagic card issue capturing

[Roger Pack]

On 3/2/16, Christian Bianchini <max246 at gmail.com> wrote:
> I have ran with log level and this is the result when it successfully
> capture at 60 FPS:
>
> frame=  153 fps= 61 q=0.0 size=   51752kB time=00:00:02.33
> bitrate=181487.1kbits
> dshow passing through packet of type video size  4147200 timestamp 26343746
> orig
>  timestamp 26078449 graph timestamp 26343718 diff 265269 Decklink Video
> Capture
> dshow passing through packet of type video size  4147200 timestamp 26509532
> orig
>  timestamp 26245282 graph timestamp 26509509 diff 264227 Decklink Video
> Capture
> ap
>
> This is when it fails
>
>
> frame=    2 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
> dup=0 dro
> dshow passing through packet of type video size  4147200 timestamp
> 7165437108888
> 73 orig timestamp 716543716327540 graph timestamp 716543710888873 diff
> -5438667
> Decklink Video Capture
> *** dropping frame 2 from stream 0 at ts 0
> dshow passing through packet of type video size  4147200 timestamp
> 7165437108888
> 73 orig timestamp 716543716494373 graph timestamp 716543710888873 diff
> -5605500
> Decklink Video Capture
> *** dropping frame 2 from stream 0 at ts 0
> dshow passing through packet of type video size  4147200 timestamp
> 7165437108888
> 73 orig timestamp 716543716661206 graph timestamp 716543710888873 diff
> -5772333
> Decklink Video Capture
> *** dropping frame 2 from stream 0 at ts 0
> dshow passing through packet of type video size  4147200 timestamp
> 7165437108888
> 73 orig timestamp 716543716828040 graph timestamp 716543710888873 diff
> -5939167
> Decklink Video Capture
>
>
> Does it makes any sense? is this the capture card failure?

So reproducibly and reliably it always says "dropping frame 2" when it
is failing?

I don't know about vsync, it might be OK