vaapibufferpool: add gst_vaapi_video_buffer_pool_copy_buffer()

This function will inform the element if it shall copy the generated
buffer by the pool to a system allocated buffer before pushing it
to downstream.

https://bugzilla.gnome.org/show_bug.cgi?id=785054
This commit is contained in:
Víctor Manuel Jáquez Leal 2018-02-20 02:25:13 +01:00
parent ad705cc5a3
commit bcc480b70e
2 changed files with 28 additions and 0 deletions

View file

@ -49,6 +49,7 @@ struct _GstVaapiVideoBufferPoolPrivate
GstVaapiDisplay *display; GstVaapiDisplay *display;
guint options; guint options;
guint use_dmabuf_memory:1; guint use_dmabuf_memory:1;
guint forced_video_meta:1;
}; };
#define GST_VAAPI_VIDEO_BUFFER_POOL_GET_PRIVATE(obj) \ #define GST_VAAPI_VIDEO_BUFFER_POOL_GET_PRIVATE(obj) \
@ -257,6 +258,7 @@ gst_vaapi_video_buffer_pool_set_config (GstBufferPool * pool,
GST_VIDEO_INFO_PLANE_STRIDE (&new_allocation_vinfo, i) != GST_VIDEO_INFO_PLANE_STRIDE (&new_allocation_vinfo, i) !=
GST_VIDEO_INFO_PLANE_STRIDE (&priv->vmeta_vinfo, i)) { GST_VIDEO_INFO_PLANE_STRIDE (&priv->vmeta_vinfo, i)) {
priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META; priv->options |= GST_VAAPI_VIDEO_BUFFER_POOL_OPTION_VIDEO_META;
priv->forced_video_meta = TRUE;
GST_INFO_OBJECT (pool, "adding unrequested video meta"); GST_INFO_OBJECT (pool, "adding unrequested video meta");
break; break;
} }
@ -535,3 +537,25 @@ gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display)
return g_object_new (GST_VAAPI_TYPE_VIDEO_BUFFER_POOL, return g_object_new (GST_VAAPI_TYPE_VIDEO_BUFFER_POOL,
"display", display, NULL); "display", display, NULL);
} }
/**
* gst_vaapi_video_buffer_pool_copy_buffer:
* @pool: a #GstVaapiVideoBufferPool
*
* Returns if the @pool force set of #GstVideoMeta. If so, the element
* should copy the generated buffer by the pool to a system allocated
* buffer. Otherwise, downstream could not display correctly the
* frame.
*
* Returns: %TRUE if #GstVideoMeta is forced.
**/
gboolean
gst_vaapi_video_buffer_pool_copy_buffer (GstBufferPool * pool)
{
GstVaapiVideoBufferPoolPrivate *priv;
g_return_val_if_fail (GST_VAAPI_IS_VIDEO_BUFFER_POOL (pool), FALSE);
priv = GST_VAAPI_VIDEO_BUFFER_POOL_GET_PRIVATE (pool);
return priv->forced_video_meta;
}

View file

@ -134,6 +134,10 @@ G_GNUC_INTERNAL
GstBufferPool * GstBufferPool *
gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display); gst_vaapi_video_buffer_pool_new (GstVaapiDisplay * display);
G_GNUC_INTERNAL
gboolean
gst_vaapi_video_buffer_pool_copy_buffer (GstBufferPool * pool);
G_END_DECLS G_END_DECLS
#endif /* GST_VAAPI_VIDEO_BUFFER_POOL_H */ #endif /* GST_VAAPI_VIDEO_BUFFER_POOL_H */