[FFmpeg-user] ddagrab

Michael Koch astroelectronic at t-online.de
Mon Feb 20 16:50:22 EET 2023


Am 20.02.2023 um 15:46 schrieb 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.

same problem.

Michael



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