Questions tagged [nvenc]
7 questions
1
vote
1 answer
ffmpeg using multiple GPUs of same model and performance, but different usage
OS Ubuntu 22.04.1
ffmpeg version N-109649-gab8cde6efa
I installed the GPU drivers from an official source.
wget https://international.download.nvidia.com/XFree86/Linux-x86_64/525.78.01/NVIDIA-Linux-x86_64-525.78.01.run
chmod +x…
kobaltz
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2 answers
FFMPEG - Failed locking bitstream buffer: not enough buffer (14): .35x Video encoding failed
I'm trying to use FFmpeg for converting several video files from AVC to HEVC using hevc_nvenc and after it converts the file at the last moment, it gives me this error:
[hevc_nvenc @ 00000293155d5880] Failed locking bitstream buffer: not enough…
DeDifferentOne
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1 answer
Convert ffmpeg encoding from libx264 to h264_nvenc
The video hosting website LBRY suggests users try the following command to compress their uploads:
ffmpeg -i input.avi -c:v libx264 -crf 21 -preset faster -pix_fmt yuv420p -maxrate 5000K -bufsize 5000K -vf…
Iain
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Is it possible to do a lossless colorspace HEVC NVENC encoding without hwdownload?
I need to capture bit-perfect lossless videos of the whole screen at a certain framerate (at least 30 fps). I am currently using Windows 10 and an up-to-date version of FFmpeg. Given that the resolution in which the video has to be recorded is…
ksb496
- 101
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Size difference of output files from FFMPEG and NVENC rendering
For this:
NVEncC64.exe --avhw -i "PATH\FILE (SRC).MP4" -c "av1" --cbr 1500 --audio-codec aac --audio-bitrate 64 -o "PATH\FILE (AV1).MP4"
I used the NVEncC (x64) -Encoder Version 7.21,
but for this:
ffmpeg -i "PATH\FILE (SRC).MP4" -c:v av1_nvenc…
user1806529
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ffmpeg: filter frame using cuda
Is it possible to filter frames on nvidia GPU side?
For intel qsv it looks like
[sprites_src]vpp_qsv=framerate=1/10,scale_qsv=-1:160:mode=$mode:format=rgb32,hwdownload,format=rgb32[sprites_out];
For nvidia I have to use software…
Hett
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nvenc scale_npp causes FFmpeg to fail to launch HLS nginx
After updating my graphics card from a 680 to a 1650, I am now able to encode multiple bitrates of my HLS stream using NVENC. However, I am stumped with the following issue, if I attempt to add the argument for scaling -vf scale_npp=1280:720, FFmpeg…
