[Libav-user] HW Decode d3d11va Failing for VP9/AV1 Videos

[Sebastiaan Geus]

Hi,

I am using d3d11va hardware acceleration for decoding video's in Unity I use the d3d11 pix_fmt to directly copy the output texture to unity.
This now works fine for h264 /h265 video's but both vp9 and av1 video's produce : Static surface pool size exceeded. & get_buffer() failed on decode.

Here is a log that I save from my application lines with a @ prefix are from the av_log_set_callback.

Query available decoder id.
Decoder does not exist.
Using d3d11va HWDecoder
config loading success.
USE_TCP=false
BUFF_VIDEO_MAX=18
BUFF_AUDIO_MAX=128
SEEK_ANY=false
@ Opening 'C:\FFmpeg\bin\Download\out9.webm' for reading
@ Setting default whitelist 'file,crypto,data'
@ Probing h263 score:25 size:2048
@ Probing matroska,webm score:100 size:2048
@ Format matroska,webm probed with size=2048 and score=100
@ st:0 removing common factor 1000000 from timebase
Opened file: (C:\FFmpeg\bin\Download\out9.webm).
@ Before avformat_find_stream_info() pos: 319 bytes read:32768 seeks:0 nb_streams:1
@ Format yuv420p chosen by get_format().
@ All info found
@ stream 0: start_time: 0 duration: NOPTS
@ format: start_time: 0 duration: 9.92 (estimate from stream) bitrate=144 kb/s
@ After avformat_find_stream_info() pos: 5130 bytes read:32768 seeks:0 frames:1
duration= 9920000.000000
decoding video using vp9
Using d3d11 as the HW pixel format
Using d3d11va as the HW Device Type
HW Decoder initializing!
@ Selecting d3d11va adapter 0
@ Using device 10de:1e07 (NVIDIA GeForce RTX 2080 Ti).
audio stream not found.
Initialization of decoders complete!
nativeIsVideoEnabled: true
nativeIsAudioEnabled: false
@ Format d3d11 chosen by get_format().
@ Format d3d11 requires hwaccel initialisation.
@ Decoder GUIDs reported as supported:
@ {86695f12-340e-4f04-9fd3-9253dd327460}@  103@  106@
@ {ee27417f-5e28-4e65-beea-1d26b508adc9}@  103@  106@
@ {6f3ec719-3735-42cc-8063-65cc3cb36616}@  103@  106@
@ {1b81bea4-a0c7-11d3-b984-00c04f2e73c5}@  103@  106@
@ {1b81bea3-a0c7-11d3-b984-00c04f2e73c5}@  103@  106@
@ {32fcfe3f-de46-4a49-861b-ac71110649d5}@  103@  106@
@ {d79be8da-0cf1-4c81-b82a-69a4e236f43d}@  103@  106@
@ {f9aaccbb-c2b6-4cfc-8779-5707b1760552}@  103@  106@
@ {1b81be68-a0c7-11d3-b984-00c04f2e73c5}@  103@  106@
@ {5b11d51b-2f4c-4452-bcc3-09f2a1160cc0}@  103@  106@
@ {107af0e0-ef1a-4d19-aba8-67a163073d13}@  104@  106@
@ {20bb8b0a-97aa-4571-8e99-64e60606c1a6}@  104@  106@
@ {15df9b21-06c4-47f1-841e-a67c97d7f312}@  103@  106@
@ {efd64d74-c9e8-41d7-a5e9-e9b0e39fa319}@  103@  106@
@ {ed418a9f-010d-4eda-9ae3-9a65358d8d2e}@  103@  106@
@ {9947ec6f-689b-11dc-a320-0019dbbc4184}@  103@  106@
@ {33fcfe41-de46-4a49-861b-ac71110649d5}@  103@  106@  107@
@ {463707f8-a1d0-4585-876d-83aa6d60b89e}@  103@  106@
@ {a4c749ef-6ecf-48aa-8448-50a7a1165ff7}@  104@  106@
@ {dda19dc7-93b5-49f5-a9b3-2bda28a2ce6e}@  104@  106@
@ {6affd11e-1d96-42b1-a215-93a31f09a53d}@  103@  106@
@ {914c84a3-4078-4fa9-984c-e2f262cb5c9c}@  103@  106@
@ {8a1a1031-29bc-46d0-a007-e9b092ca6767}@  103@  106@
@ Static surface pool size exceeded.
@ get_buffer() failed
Sendpacket produced Cannot allocate memory
Av Error
@ Static surface pool size exceeded.
@ get_buffer() failed
Sendpacket produced Cannot allocate memory
Av Error
@ Static surface pool size exceeded.

Errors persist on using latest shared build or release 6.1

Can someone point me in a direction of how to fix this?

Greetings,
Sebastiaan Geus
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