Hi,
I'm trying my luck with a gpu-only chain for stabilizing a video with
deshake_opencl. Sounds easy enough right? This is the command line I'm using:
ffmpeg -init_hw_device vaapi=va:/dev/dri/renderD128 \
-init_hw_device opencl=oc@va \
-filter_hw_device oc \
-vaapi_device /dev/dri/renderD128 \
-hwaccel vaapi -hwaccel_output_format vaapi \
-i test.mp4 \
-vf
"hwmap=derive_device=opencl,deshake_opencl,hwmap=derive_device=vaapi:reverse=1"
\
-c:a copy -c:v h264_vaapi -y test_deshake.mp4
The filter chain is assembled without problem so it seems to be valid, but when
it starts I get the following runtime error:
[out#0/mp4 @ 0x20ddbd00] Starting thread...
[hwmap @ 0x7ff69c003280] Filter input: vaapi, 1920x1080 (512).
[AVHWFramesContext @ 0x7ff6980ab800] Map surface 0x2.
[AVHWFramesContext @ 0x7ff6980ab800] Map QSV/VAAPI surface 0x2 to OpenCL.
[h264 @ 0x20ece040] nal_unit_type: 1(Coded slice of a non-IDR picture),
nal_ref_idc: 1
[h264 @ 0x20ece040] Param buffer (type 0, 672 bytes) is 0x3.
[h264 @ 0x20ece040] Param buffer (type 1, 240 bytes) is 0x2.
[h264 @ 0x20ece040] Slice 0 param buffer (3128 bytes) is 0x1.
[h264 @ 0x20ece040] Slice 0 data buffer (104301 bytes) is 0.
[h264 @ 0x20ece040] Decode to surface 0.
[hwmap @ 0x7ff69c003280] Filter output: opencl, 1920x1080 (512).
[h264_vaapi @ 0x20d93540] Input frame: 1920x1080 (0).
[h264_vaapi @ 0x20d93540] Pick nothing to encode next - need more input for
timestamps.
[vf#0:0 @ 0x20d85c80] Error while filtering: Cannot allocate memory
[vf#0:0 @ 0x20d85c80] Task finished with error code: -12 (Cannot allocate
memory)
I've tried the usual tricks, like limiting the number of extra frames, reducing
the amount of threads
but it doesn't help.
Are there any additional tricks I could try?
Regards,
Matthias
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