[FFmpeg-user] ddagrab

Michael Koch astroelectronic at t-online.de
Mon Feb 20 15:45:22 EET 2023


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?

> 2) Paste full log of working gdigrab command.

C:\Users\astro\Desktop\test_333>ffmpeg -f gdigrab -i desktop -c:v 
h264_nvenc -t 10 -y out.mp4
ffmpeg version 2023-02-19-git-2aec86695a-full_build-www.gyan.dev 
Copyright (c) 2000-2023 the FFmpeg developers
   built with gcc 12.2.0 (Rev10, 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      58.  3.100 / 58.  3.100
   libavcodec     60.  4.100 / 60.  4.100
   libavformat    60.  4.100 / 60.  4.100
   libavdevice    60.  2.100 / 60.  2.100
   libavfilter     9.  4.100 /  9.  4.100
   libswscale      7.  2.100 /  7.  2.100
   libswresample   4. 11.100 /  4. 11.100
   libpostproc    57.  2.100 / 57.  2.100
[gdigrab @ 0000017397686300] Capturing whole desktop as 1920x1080x32 at 
(0,0)
[gdigrab @ 0000017397686300] Stream #0: not enough frames to estimate 
rate; consider increasing probesize
Input #0, gdigrab, from 'desktop':
   Duration: N/A, start: 1676900136.382457, bitrate: 1988680 kb/s
   Stream #0:0: Video: bmp, bgra, 1920x1080, 1988680 kb/s, 29.97 fps, 
1000k tbr, 1000k tbn
Stream mapping:
   Stream #0:0 -> #0:0 (bmp (native) -> h264 (h264_nvenc))
Press [q] to stop, [?] for help
Output #0, mp4, to 'out.mp4':
   Metadata:
     encoder         : Lavf60.4.100
   Stream #0:0: Video: h264 (Main) (avc1 / 0x31637661), 
bgra(progressive), 1920x1080, q=2-31, 2000 kb/s, 29.97 fps, 30k tbn
     Metadata:
       encoder         : Lavc60.4.100 h264_nvenc
     Side data:
       cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 4000000 
vbv_delay: N/A
frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 
bitrate=  -0.0kbits/s dup=1 drop=0 sframe=   48 fps= 25 q=36.0 size=     
256kB time=00:00:01.50 bitrate=1397.0kbits/s dup=44 drop=1 speeframe=   
63 fps= 26 q=35.0 size=     256kB time=00:00:02.00 bitrate=1047.7kbits/s 
dup=44 drop=4 speeframe=   79 fps= 27 q=32.0 size=     256kB 
time=00:00:02.53 bitrate= 827.1kbits/s dup=44 drop=4 speeframe=   94 
fps= 27 q=27.0 size=     256kB time=00:00:03.03 bitrate= 690.8kbits/s 
dup=44 drop=4 speeframe=  110 fps= 27 q=25.0 size=     512kB 
time=00:00:03.57 bitrate=1174.9kbits/s dup=44 drop=4 speeframe=  125 
fps= 28 q=20.0 size=     512kB time=00:00:04.07 bitrate=1030.5kbits/s 
dup=44 drop=4 speeframe=  141 fps= 28 q=19.0 size=     512kB 
time=00:00:04.60 bitrate= 911.0kbits/s dup=44 drop=4 speeframe=  156 
fps= 28 q=20.0 size=     512kB time=00:00:05.10 bitrate= 821.7kbits/s 
dup=44 drop=4 speeframe=  172 fps= 28 q=26.0 size=     768kB 
time=00:00:05.63 bitrate=1115.8kbits/s dup=44 drop=4 speeframe=  186 
fps= 28 q=19.0 size=     768kB time=00:00:06.10 bitrate=1030.4kbits/s 
dup=44 drop=4 speeframe=  202 fps= 28 q=14.0 size=     768kB 
time=00:00:06.63 bitrate= 947.6kbits/s dup=44 drop=4 speeframe=  217 
fps= 28 q=14.0 size=     768kB time=00:00:07.14 bitrate= 881.2kbits/s 
dup=44 drop=4 speeframe=  233 fps= 29 q=10.0 size=     768kB 
time=00:00:07.67 bitrate= 819.9kbits/s dup=44 drop=4 speeframe=  248 
fps= 29 q=19.0 size=    1024kB time=00:00:08.17 bitrate=1026.2kbits/s 
dup=44 drop=4 speeframe=  263 fps= 29 q=17.0 size=    1280kB 
time=00:00:08.67 bitrate=1208.7kbits/s dup=44 drop=4 speeframe=  279 
fps= 29 q=16.0 size=    1280kB time=00:00:09.20 bitrate=1138.7kbits/s 
dup=44 drop=4 speeframe=  300 fps= 30 q=16.0 Lsize=    1493kB 
time=00:00:09.87 bitrate=1238.0kbits/s dup=44 drop=4 speed=0.992x
video:1488kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB 
muxing overhead: 0.293777%




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