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d3d11: Protect ID3D11VideoContext with lock

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Likewise d3d11 immediate context (i.e., ID3D11DeviceContext),
ID3D11VideoContext API is not thread safe. It must be protected therefore.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1856>
This commit is contained in:
Seungha Yang 2020-12-04 03:40:17 +09:00
parent cc44634422
commit 22990bb9ea
2 changed files with 11 additions and 8 deletions
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2
sys/d3d11/gstd3d11colorconvert.c
View file

@ -1523,6 +1523,7 @@ gst_d3d11_convert_set_info (GstD3D11BaseFilter * filter,
gboolean hardware = FALSE;
GstD3D11VideoProcessor *processor = NULL;
gst_d3d11_device_lock (filter->device);
g_object_get (filter->device, "hardware", &hardware, NULL);
if (hardware) {
processor = gst_d3d11_video_processor_new (filter->device,
@ -1566,6 +1567,7 @@ gst_d3d11_convert_set_info (GstD3D11BaseFilter * filter,
}
self->processor = processor;
gst_d3d11_device_unlock (filter->device);
}
#endif

17
sys/d3d11/gstd3d11window.cpp
View file

@ -544,11 +544,8 @@ gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width,
GST_ERROR_OBJECT (window, "Cannot create swapchain");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create swapchain");
gst_d3d11_device_unlock (window->device);
return FALSE;
goto error;
}
gst_d3d11_device_unlock (window->device);
/* this rect struct will be used to calculate render area */
window->render_rect.left = 0;
@ -737,8 +734,7 @@ gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width,
GST_ERROR_OBJECT (window, "Cannot create converter");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create converter");
return FALSE;
goto error;
}
window->compositor =
@ -747,9 +743,9 @@ gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width,
GST_ERROR_OBJECT (window, "Cannot create overlay compositor");
g_set_error (error, GST_RESOURCE_ERROR, GST_RESOURCE_ERROR_FAILED,
"Cannot create overlay compositor");
return FALSE;
goto error;
}
gst_d3d11_device_unlock (window->device);
/* call resize to allocated resources */
klass->on_resize (window, display_width, display_height);
@ -761,6 +757,11 @@ gst_d3d11_window_prepare (GstD3D11Window * window, guint display_width,
GST_DEBUG_OBJECT (window, "New swap chain 0x%p created", window->swap_chain);
return TRUE;
error:
gst_d3d11_device_unlock (window->device);
return FALSE;
}
void