[FFmpeg-user] DeckLink@ cannot enable video input

[Tung Tran]

Thank you for your pointing out my missing Mr.Marton
Its working now.

Best regards,


---
Best regards,

*Tung Tran*



On Thu, Apr 27, 2017 at 4:03 PM, Marton Balint <cus at passwd.hu> wrote:

>
> On Thu, 27 Apr 2017, Tung Tran wrote:
>
> Dear All
>>
>> I am running into an issue if ffmpeg cannout enable video input on
>> decklink
>> card,
>>
>> Here is the console output
>>
>> [root at localhost ffmpeg]# ffmpeg -f decklink -i 'DeckLink SDI' -vf
>> scale=1280:720 -vcodec libx264 -pix_fmt yuv420p -tune zerolatency -preset
>> ultrafast -f mpegts udp://236.0.0.1:2000
>>
>
> You seem to be missing the -format_code option to select the input format.
>
> Check the examples in the docs:
>
> https://www.ffmpeg.org/ffmpeg-devices.html#Examples-1
>
> [decklink @ 0x46fd3c0] Supported formats for 'DeckLink SDI':
>>        format_code     description
>>        ntsc            720x486 at 30000/1001 fps (interlaced, lower field
>> first)
>>        nt23            720x486 at 24000/1001 fps
>>        pal             720x576 at 25000/1000 fps (interlaced, upper field
>> first)
>>        23ps            1920x1080 at 24000/1001 fps
>>        24ps            1920x1080 at 24000/1000 fps
>>        Hp25            1920x1080 at 25000/1000 fps
>>        Hp29            1920x1080 at 30000/1001 fps
>>        Hp30            1920x1080 at 30000/1000 fps
>>        Hi50            1920x1080 at 25000/1000 fps (interlaced, upper
>> field first)
>>        Hi59            1920x1080 at 30000/1001 fps (interlaced, upper
>> field first)
>>        Hi60            1920x1080 at 30000/1000 fps (interlaced, upper
>> field first)
>>        hp50            1280x720 at 50000/1000 fps
>>        hp59            1280x720 at 60000/1001 fps
>>        hp60            1280x720 at 60000/1000 fps
>> DeckLink SDI: Immediate exit requested
>>
>
> Format codes are right there.
>
> Regards,
> Marton
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