[FFmpeg-devel] [PATCH v2] avcodec/d3d12va_decode: don't change the resource state if the referenced frame is the same as the current frame

[Wu, Tong1]

>From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of Wu
>Jianhua
>Sent: Wednesday, December 27, 2023 9:44 PM
>To: FFmpeg development discussions and patches <ffmpeg-
>devel at ffmpeg.org>
>Subject: [FFmpeg-devel] [PATCH v2] avcodec/d3d12va_decode: don't change
>the resource state if the referenced frame is the same as the current frame
>
>This commit removes the follow warning and error:
>
>    D3D12 WARNING: ID3D12CommandList::ResourceBarrier: Called on the
>same subresource(s) of
>    Resource(0x000002236E0E00D0:'Unnamed ID3D12Resource Object') in
>separate Barrier Descs
>    which is inefficient and likely unintentional. Desc[0] and Desc[1] on
>(subresource :
>    4294967295). [RESOURCE_MANIPULATION WARNING #1008:
>RESOURCE_BARRIER_DUPLICATE_SUBRESOURCE_TRANSITIONS]
>
>    D3D12 ERROR: ID3D12CommandList::ResourceBarrier: Before state (0x0:
>D3D12_RESOURCE_STATE_[COMMON|PRESENT])
>    of resource (0x000002236E0E00D0:'Unnamed ID3D12Resource Object')
>(subresource: 0) specified
>    by transition barrier does not match with the state (0x20000:
>D3D12_RESOURCE_STATE_VIDEO_DECODE_WRITE)
>    specified in the previous call to ResourceBarrier [RESOURCE_MANIPULATION
>ERROR #527:
>    RESOURCE_BARRIER_BEFORE_AFTER_MISMATCH]
>
>Patch attached

Tested. It worked for me. Thx.