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d3dvideosinnk: check d3d device exists before creating overlay vertex buffer

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This commit is contained in:
Aaron Boxer 2019-12-06 23:16:05 -06:00
parent 8710eb0656
commit 51f823c98a
1 changed files with 9 additions and 0 deletions
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9
sys/d3dvideosink/gstd3d9overlay.c
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@ -54,6 +54,11 @@ GST_DEBUG_CATEGORY_EXTERN (gst_d3dvideosink_debug);
goto end; \ goto end; \
} }
#define CHECK_D3D_DEVICE(klass, sink, goto_label) \
if(!klass->d3d.d3d || !klass->d3d.device.d3d_device) { \
GST_ERROR_OBJECT(sink, "Direct3D device or object does not exist"); \
goto goto_label; \
}
typedef struct _textured_vertex typedef struct _textured_vertex
{ {
@ -362,6 +367,7 @@ gst_d3d9_overlay_init_vb (GstD3DVideoSink * sink,
GST_ERROR_OBJECT (sink, "Failed to release D3D vertex buffer"); GST_ERROR_OBJECT (sink, "Failed to release D3D vertex buffer");
} }
} }
CHECK_D3D_DEVICE (klass, sink, error);
hr = IDirect3DDevice9_CreateVertexBuffer (klass->d3d.device.d3d_device, byte_count, /* Length */ hr = IDirect3DDevice9_CreateVertexBuffer (klass->d3d.device.d3d_device, byte_count, /* Length */
D3DUSAGE_WRITEONLY, /* Usage */ D3DUSAGE_WRITEONLY, /* Usage */
tri_fvf, /* FVF */ tri_fvf, /* FVF */
@ -403,6 +409,9 @@ gst_d3d9_overlay_init_vb (GstD3DVideoSink * sink,
} }
return D3D_OK; return D3D_OK;
error:
return hr;
} }
gboolean gboolean