[FFmpeg-trac] #11335(avutil:new): av_log callback called with bad parameters (NULL AVClass)

[FFmpeg]

#11335: av_log callback called with bad parameters (NULL AVClass)
---------------------------------+--------------------------------------
             Reporter:  mibby    |                     Type:  defect
               Status:  new      |                 Priority:  normal
            Component:  avutil   |                  Version:  git-master
             Keywords:  d3d12va  |               Blocked By:
             Blocking:           |  Reproduced by developer:  0
Analyzed by developer:  0        |
---------------------------------+--------------------------------------
 RE: https://github.com/shinchiro/mpv-winbuild-cmake/issues/728

 [ffmpeg] av_log callback called with bad parameters (NULL AVClass).
 [ffmpeg] This is a bug in one of FFmpeg libraries used.
 Using hardware decoding (d3d12va-copy).

 Warning is caused by incorrect av_log usage by the d3d12 context code in
 ffmpeg.

 {{{
 diff --git a/libavutil/hwcontext_d3d12va.c b/libavutil/hwcontext_d3d12va.c
 index 6507cf69c15e..339572679001 100644
 --- a/libavutil/hwcontext_d3d12va.c
 +++ b/libavutil/hwcontext_d3d12va.c
 @@ -660,7 +660,7 @@ static int d3d12va_device_create(AVHWDeviceContext
 *hwdev, const char *device,
              DXGI_ADAPTER_DESC desc;
              hr = IDXGIAdapter2_GetDesc(pAdapter, &desc);
              if (!FAILED(hr)) {
 -                av_log(ctx, AV_LOG_INFO, "Using device %04x:%04x
 (%ls).\n",
 +                av_log(hwdev, AV_LOG_INFO, "Using device %04x:%04x
 (%ls).\n",
                         desc.VendorId, desc.DeviceId, desc.Description);
              }
          }
 @@ -668,7 +668,7 @@ static int d3d12va_device_create(AVHWDeviceContext
 *hwdev, const char *device,
          hr = priv->create_device((IUnknown *)pAdapter,
 D3D_FEATURE_LEVEL_12_0, &IID_ID3D12Device, (void **)&ctx->device);
          D3D12_OBJECT_RELEASE(pAdapter);
          if (FAILED(hr)) {
 -            av_log(ctx, AV_LOG_ERROR, "Failed to create Direct 3D 12
 device (%lx)\n", (long)hr);
 +            av_log(hwdev, AV_LOG_ERROR, "Failed to create Direct 3D 12
 device (%lx)\n", (long)hr);
              return AVERROR_UNKNOWN;
          }
      }
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11335>
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