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surface: add support for GEM buffer imports.
Add support for GEM buffer imports. This is useful for VA/EGL interop with legacy Mesa implementations, or when it is desired or required to support outbound textures for instance. https://bugzilla.gnome.org/show_bug.cgi?id=736718
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2 changed files with 43 additions and 0 deletions
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@ -150,3 +150,41 @@ gst_vaapi_surface_new_with_dma_buf_handle (GstVaapiDisplay * display,
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gst_vaapi_buffer_proxy_unref (proxy);
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return surface;
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}
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/**
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* gst_vaapi_surface_new_with_dma_buf_handle:
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* @display: a #GstVaapiDisplay
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* @name: the DRM GEM buffer name
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* @size: the underlying DRM buffer size
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* @format: the desired surface format
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* @width: the desired surface width in pixels
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* @height: the desired surface height in pixels
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* @offset: the offsets to each plane
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* @stride: the pitches for each plane
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*
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* Creates a new #GstVaapiSurface with an external DRM GEM buffer
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* name. The newly created VA surfaces owns the supplied buffer
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* handle.
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*
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* Return value: the newly allocated #GstVaapiSurface object, or %NULL
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* if creation from DRM PRIME fd failed, or is not supported
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*/
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GstVaapiSurface *
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gst_vaapi_surface_new_with_gem_buf_handle (GstVaapiDisplay * display,
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guint32 name, guint size, GstVideoFormat format, guint width, guint height,
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gsize offset[GST_VIDEO_MAX_PLANES], gint stride[GST_VIDEO_MAX_PLANES])
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{
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GstVaapiBufferProxy *proxy;
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GstVaapiSurface *surface;
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GstVideoInfo vi;
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proxy = gst_vaapi_buffer_proxy_new ((guintptr) name,
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GST_VAAPI_BUFFER_MEMORY_TYPE_GEM_BUF, size, NULL, NULL);
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if (!proxy)
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return NULL;
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fill_video_info (&vi, format, width, height, offset, stride);
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surface = gst_vaapi_surface_new_from_buffer_proxy (display, proxy, &vi);
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gst_vaapi_buffer_proxy_unref (proxy);
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return surface;
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}
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@ -39,6 +39,11 @@ gst_vaapi_surface_new_with_dma_buf_handle (GstVaapiDisplay * display,
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gint fd, guint size, GstVideoFormat format, guint width, guint height,
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gsize offset[GST_VIDEO_MAX_PLANES], gint stride[GST_VIDEO_MAX_PLANES]);
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GstVaapiSurface *
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gst_vaapi_surface_new_with_gem_buf_handle (GstVaapiDisplay * display,
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guint32 name, guint size, GstVideoFormat format, guint width, guint height,
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gsize offset[GST_VIDEO_MAX_PLANES], gint stride[GST_VIDEO_MAX_PLANES]);
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G_END_DECLS
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#endif /* GST_VAAPI_SURFACE_DRM_H */
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