[FFmpeg-user] ddagrab

[Michael Koch]

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.

FFmpeg build from December 15th has the same problem, but one more error 
message at the end:

C:\Users\astro\Desktop\test_333>ffmpeg -f lavfi -i ddagrab -c:v 
h264_nvenc -v 40 -cq 18 -t 10 -y out.mp4
ffmpeg version 2022-12-15-git-9adf02247c-full_build-www.gyan.dev 
Copyright (c) 2000-2022 the FFmpeg developers
   built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
   configuration: --enable-gpl --enable-version3 --enable-static 
--disable-w32threads --disable-autodetect --enable-fontconfig 
--enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp 
--enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib 
--enable-librist --enable-libsrt --enable-libssh --enable-libzmq 
--enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 
--enable-libaribb24 --enable-libdav1d --enable-libdavs2 
--enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 
--enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg 
--enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r 
--enable-libfreetype --enable-libfribidi --enable-liblensfun 
--enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf 
--enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec 
--enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libvpl 
--enable-libshaderc --enable-vulkan --enable-libplacebo --enable-opencl 
--enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt 
--enable-libopencore-amrwb --enable-libmp3lame --enable-libshine 
--enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc 
--enable-libilbc --enable-libgsm --enable-libopencore-amrnb 
--enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa 
--enable-libbs2b --enable-libflite --enable-libmysofa 
--enable-librubberband --enable-libsoxr --enable-chromaprint
   libavutil      57. 43.100 / 57. 43.100
   libavcodec     59. 55.100 / 59. 55.100
   libavformat    59. 34.102 / 59. 34.102
   libavdevice    59.  8.101 / 59.  8.101
   libavfilter     8. 52.100 /  8. 52.100
   libswscale      6.  8.112 /  6.  8.112
   libswresample   4.  9.100 /  4.  9.100
   libpostproc    56.  7.100 / 56.  7.100
[Parsed_ddagrab_0 @ 000001849a735440] Created internal hw_device_ctx
[Parsed_ddagrab_0 @ 000001849a735440] Opened dxgi output 0 with 
dimensions 1920x1080
[Parsed_ddagrab_0 @ 000001849a735440] Updated pointer shape texture
[Parsed_ddagrab_0 @ 000001849a735440] Probed 8 bit RGB frame format
Input #0, lavfi, from 'ddagrab':
   Duration: N/A, start: 0.000001, bitrate: N/A
   Stream #0:0: Video: wrapped_avframe, 1 reference frame, d3d11, 
1920x1080 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 1000k tbn
Stream mapping:
   Stream #0:0 -> #0:0 (wrapped_avframe (native) -> h264 (h264_nvenc))
Press [q] to stop, [?] for help
[graph 0 input from stream 0:0 @ 000001849a7a4840] w:1920 h:1080 
pixfmt:d3d11 tb:1/1000000 fr:30/1 sar:1/1
[h264_nvenc @ 000001849a73f880] Using input frames context (format 
d3d11) with h264_nvenc encoder.
[h264_nvenc @ 000001849a73f880] Loaded Nvenc version 12.0
[h264_nvenc @ 000001849a73f880] Nvenc initialized successfully
[h264_nvenc @ 000001849a73f880] OpenEncodeSessionEx failed: no encode 
device (1): (no details)
[h264_nvenc @ 000001849a73f880] Nvenc unloaded
Error initializing output stream 0:0 -- Error while opening encoder for 
output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, 
width or height
[AVIOContext @ 000001849a79afc0] Statistics: 0 bytes written, 0 seeks, 0 
writeouts
Terminating demuxer thread 0
Conversion failed!