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libs: surface: add gst_vaapi_surface_{set,peek}_buffer_proxy()

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These functions are useful when a dmabuf-based memory is instantiated in
order to relate the generated buffer @proxy with the processed @surface.

https://bugzilla.gnome.org/show_bug.cgi?id=755072
This commit is contained in:
Julien Isorce 2016-10-19 15:09:34 +01:00 committed by Víctor Manuel Jáquez Leal
parent 7fc1b70ff6
commit 4f037a036b
2 changed files with 40 additions and 0 deletions
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33
gst-libs/gst/vaapi/gstvaapisurface.c
View file

@ -1039,3 +1039,36 @@ gst_vaapi_surface_set_subpictures_from_composition (GstVaapiSurface * surface,
}
return TRUE;
}
/**
* gst_vaapi_surface_set_buffer_proxy:
* @surface: a #GstVaapiSurface
* @proxy: an external #GstVaapiBufferProxy
*
* Replaces the external buffer proxy in @surface with @proxy.
*
* This is useful when a dmabuf-based memory is instantiated in order
* to relate the generated buffer @proxy with the processed @surface.
**/
void
gst_vaapi_surface_set_buffer_proxy (GstVaapiSurface * surface,
GstVaapiBufferProxy * proxy)
{
gst_vaapi_buffer_proxy_replace (&surface->extbuf_proxy, proxy);
}
/**
* gst_vaapi_surface_peek_buffer_proxy:
* @surface: a #GstVaapiSurface
*
* This is useful when a dmabuf-based memory is instantiated in order
* to relate the generated buffer @proxy with the processed @surface.
*
* Returns: (transfer none): the associated external
* #GstVaapiBufferProxy
**/
GstVaapiBufferProxy *
gst_vaapi_surface_peek_buffer_proxy (GstVaapiSurface * surface)
{
return surface->extbuf_proxy;
}

7
gst-libs/gst/vaapi/gstvaapisurface.h
View file

@ -233,6 +233,13 @@ gboolean
gst_vaapi_surface_set_subpictures_from_composition (GstVaapiSurface * surface,
GstVideoOverlayComposition * composition, gboolean propagate_context);
void
gst_vaapi_surface_set_buffer_proxy (GstVaapiSurface * surface,
GstVaapiBufferProxy * proxy);
GstVaapiBufferProxy *
gst_vaapi_surface_peek_buffer_proxy (GstVaapiSurface * surface);
G_END_DECLS
#endif /* GST_VAAPI_SURFACE_H */