I have been trying to get ffv1_vulkan to encode since it was first added.
My machine is running Arch Linux, a 7800XT using Mesa drivers and at
time of testing/writing "ffmpeg version N-118193-g5f38c82536"
Currently when running a basic encode I get a hand full of errors:
`ffmpeg -hwaccel vulkan -hwaccel_output_format vulkan -i x264-video.mp4
-c:v ffv1_vulkan test.avi`
I get this output:
```
[ffv1_vulkan @ 0x5c6e5c559a80] format nv12 not supported
[vost#0:0/ffv1_vulkan @ 0x5c6e5c5ca700] [enc:ffv1_vulkan @
0x5c6e5c5565c0] Error while opening encoder - maybe incorrect parameters
such as bit_rate, rate, width or height.
[vf#0:0 @ 0x5c6e5c559e40] Error sending frames to consumers: Function
not implemented
[vf#0:0 @ 0x5c6e5c559e40] Task finished with error code: -38 (Function
not implemented)
[vf#0:0 @ 0x5c6e5c559e40] Terminating thread with return code -38
(Function not implemented)
[vost#0:0/ffv1_vulkan @ 0x5c6e5c5ca700] [enc:ffv1_vulkan @
0x5c6e5c5565c0] Could not open encoder before EOF
[vost#0:0/ffv1_vulkan @ 0x5c6e5c5ca700] Task finished with error code:
-22 (Invalid argument)
[vost#0:0/ffv1_vulkan @ 0x5c6e5c5ca700] Terminating thread with return
code -22 (Invalid argument)
[out#0/avi @ 0x5c6e5c55aa40] Nothing was written into output file,
because at least one of its streams received no packets.
```
if I try it as `ffmpeg -init_hw_device vulkan=vk:0 -filter_hw_device vk
-i x264-video.mp4 -c:v ffv1_vulkan test.avi` then I get a second kind of
error:
```
Impossible to convert between the formats supported by the filter
'Parsed_null_0' and the filter 'auto_scale_0'
[vf#0:0 @ 0x58c7e1705d80] Error reinitializing filters!
[vf#0:0 @ 0x58c7e1705d80] Task finished with error code: -38 (Function
not implemented)
[vf#0:0 @ 0x58c7e1705d80] Terminating thread with return code -38
(Function not implemented)
[vost#0:0/ffv1_vulkan @ 0x58c7e16a8b80] [enc:ffv1_vulkan @
0x58c7e17a8d00] Could not open encoder before EOF
[vost#0:0/ffv1_vulkan @ 0x58c7e16a8b80] Task finished with error code:
-22 (Invalid argument)
[vost#0:0/ffv1_vulkan @ 0x58c7e16a8b80] Terminating thread with return
code -22 (Invalid argument)
[out#0/avi @ 0x58c7e16a7f40] Nothing was written into output file,
because at least one of its streams received no packets.
```
if I use both `-init_hw_device vulkan=vk:0 -filter_hw_device vk` and
`-hwaccel vulkan -hwaccel_output_format vulkan` together I get the first
error again,
and finally trying to add `-vf "hwmap=derive_device=vulkan"` I get this
final error:
```
[Parsed_hwmap_0 @ 0x7ff2c8004c40] Failed to map frame: -38.
[vf#0:0 @ 0x5d5327742040] Error while filtering: Function not implemented
[vf#0:0 @ 0x5d5327742040] Task finished with error code: -38 (Function
not implemented)
[vf#0:0 @ 0x5d5327742040] Terminating thread with return code -38
(Function not implemented)
[vost#0:0/ffv1_vulkan @ 0x5d53278b9440] [enc:ffv1_vulkan @
0x5d53277ef2c0] Could not open encoder before EOF
[vost#0:0/ffv1_vulkan @ 0x5d53278b9440] Task finished with error code:
-22 (Invalid argument)
[vost#0:0/ffv1_vulkan @ 0x5d53278b9440] Terminating thread with return
code -22 (Invalid argument)
[out#0/avi @ 0x5d53278f6fc0] Nothing was written into output file,
because at least one of its streams received no packets.
```
Can I get some guidance on getting this to work, I am at a loss
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