[FFmpeg-devel] [PATCH] avfilter: add vf_overlay_cuda

[Alex]

My GPU is GTX 1080Ti.

--- Original message ---
From: "Timo Rothenpieler" <timo at rothenpieler.org>
Date: 1 April 2020, 16:51:27

On 01.04.2020 15:43, Alex wrote:
> Hi!Is it working? I try everything but constantly get error from overlay_cuda:
> 
> 
> ffmpeg -y -init_hw_device cuda=cuda -filter_hw_device cuda -hwaccel cuvid -c:v h264_cuvid -resize 1920x1080 -i 720p.mp4 -i watermark.png -filter_complex "[1:v]format=nv12,hwupload[img];[0:v][img]overlay_cuda=x=50:y=800[out]" -map [out] -c:v h264_nvenc -b:v 6M -an -preset fast  -y out_nvenc_overlay.mp4
> ...
> ffmpeg version git-2020-04-01-afa5e38
> ...
> [h264_cuvid @ 000001dd1b356d00] CUVID capabilities for h264_cuvid:
> [h264_cuvid @ 000001dd1b356d00] 8 bit: supported: 1, min_width: 48, max_width: 4096, min_height: 16, max_height: 4096
> [h264_cuvid @ 000001dd1b356d00] 10 bit: supported: 0, min_width: 0, max_width: 0, min_height: 0, max_height: 0
> [h264_cuvid @ 000001dd1b356d00] 12 bit: supported: 0, min_width: 0, max_width: 0, min_height: 0, max_height: 0
> Stream mapping:
>    Stream #0:0 (h264_cuvid) -> overlay_cuda:main
>    Stream #1:0 (png) -> format
>    overlay_cuda -> Stream #0:0 (h264_nvenc)
> Press [q] to stop, [?] for help
> [h264_cuvid @ 000001dd1b356d00] Formats: Original: cuda | HW: cuda | SW: nv12
> [graph 0 input from stream 1:0 @ 000001dd2e84a100] w:1894 h:302 pixfmt:rgba tb:1/25 fr:25/1 sar:11811/11811
> [graph 0 input from stream 0:0 @ 000001dd2e84ae00] w:1920 h:1080 pixfmt:cuda tb:1/24000 fr:24000/1001 sar:1/1
> [auto_scaler_0 @ 000001dd2ebf4cc0] w:iw h:ih flags:'bilinear' interl:0
> [Parsed_format_0 @ 000001dd2e849780] auto-inserting filter 'auto_scaler_0' between the filter 'graph 0 input from stream 1:0' and the filter 'Parsed_format_0'
> [auto_scaler_0 @ 000001dd2ebf4cc0] w:1894 h:302 fmt:rgba sar:11811/11811 -> w:1894 h:302 fmt:nv12 sar:1/1 flags:0x2
> [overlay_cuda @ 000001dd2ebc87c0] cu->cuModuleLoadData(&ctx->cu_module, vf_overlay_cuda_ptx) failed -> CUDA_ERROR_INVALID_IMAGE: device kernel image is invalid

Looks like your GPU does not support some of the required features of 
this filters CUDA Kernel. Which seems odd, given it's general simplicity.
What GPU is that?

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