[FFmpeg-user] ddagrab

[Gyan Doshi]

On 2023-02-20 07:58 pm, Michael Koch wrote:
> Am 20.02.2023 um 15:18 schrieb Gyan Doshi:
>>
>> On 2023-02-20 07:33 pm, Michael Koch wrote:
>>> Am 20.02.2023 um 14:54 schrieb Gyan Doshi:
>>>>
>>>>
>>>> On 2023-02-20 07:15 pm, Michael Koch wrote:
>>>>> Am 20.02.2023 um 14:29 schrieb Gyan Doshi:
>>>>>>
>>>>>>
>>>>>> On 2023-02-20 06:27 pm, Michael Koch wrote:
>>>>>>> Am 20.02.2023 um 13:50 schrieb Gyan Doshi:
>>>>>>>>
>>>>>>>>
>>>>>>>> On 2023-02-20 06:03 pm, Michael Koch wrote:
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> I'm testing the ddagrab filter with the example from the 
>>>>>>>>> documentation. I did only add -t 10 -y, but that can't be the 
>>>>>>>>> problem.
>>>>>>>>>
>>>>>>>>> ffmpeg -f lavfi -i ddagrab -c:v h264_nvenc -cq 18 -t 10 -y 
>>>>>>>>> out.mp4
>>>>>>>>>
>>>>>>>>> What does this error message mean?
>>>>>>>>> [h264_nvenc @ 000001f5f7bbf980] OpenEncodeSessionEx failed: no 
>>>>>>>>> encode device (1): (no details)
>>>>>>>>
>>>>>>>> Works here. Could be a driver issue - try reverting.
>>>>>>>
>>>>>>> It did not work woth the older driver either. That's why I 
>>>>>>> updated the driver today.
>>>>>>
>>>>>> 1) Try older builds, say, a month or two older.
>>>>>
>>>>> Do you mean older builds of FFmpeg, or older Nvidia driver?
>>>>
>>>> Older ffmpeg builds.
>>>
>>> I will do that later.
>>
>> From System Information, what is the OS version?
>
> Windows 10 Home
> Version 22H2
> OS build 19045.2604
>
>
>> From dxdiag, what is the DirectX version?
>>
>
> DirectX 12

Ok, don't see any obvious issues.

One last try: run the cmd with -cq removed.

Regards,
Gyan