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vaapivideomemory: load VA Image when mapping to write
When calling gst_video_frame_map() with GST_MAP_WRITE flag, it doesn't call ensure_image_is_current(), which means it doesn't guarentee VAImage is valid in this case. https://bugzilla.gnome.org/show_bug.cgi?id=766978
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1 changed files with 4 additions and 2 deletions
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@ -208,8 +208,10 @@ gst_video_meta_map_vaapi_memory (GstVideoMeta * meta, guint plane,
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if (!ensure_image (mem))
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goto error_ensure_image;
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// Load VA image from surface
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if ((flags & GST_MAP_READ) && !ensure_image_is_current (mem))
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/* Load VA image from surface only on read OR write, not both.
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* Refer to bugs #704078 and #704083 */
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if (((flags & GST_MAP_READWRITE) != GST_MAP_READWRITE)
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&& !ensure_image_is_current (mem))
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goto error_no_current_image;
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if (!gst_vaapi_image_map (mem->image))
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