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plugins: improve video memory flags safety checks.

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On map, ensure we have GST_MAP_WRITE flags since this is only what we
support for now. Likewise, on unmap, make sure that the VA image is
unmapped for either read or write, while still committing it to the
VA surface if write was requested.
This commit is contained in:
Gwenole Beauchesne 2013-06-03 10:06:29 +02:00
parent 18031dc6ff
commit 33f6415696
1 changed files with 5 additions and 2 deletions
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7
gst/vaapi/gstvaapivideomemory.c
View file

@ -107,9 +107,10 @@ gst_video_meta_map_vaapi_memory(GstVideoMeta *meta, guint plane,
allocator), FALSE);
g_return_val_if_fail(mem->meta, FALSE);
if ((flags & GST_MAP_READWRITE) == GST_MAP_READ)
if ((flags & GST_MAP_READWRITE) != GST_MAP_WRITE)
goto error_unsupported_map;
/* Map for writing */
if (++mem->map_count == 1) {
if (!ensure_surface(mem))
goto error_ensure_surface;
@ -169,7 +170,9 @@ gst_video_meta_unmap_vaapi_memory(GstVideoMeta *meta, guint plane,
g_return_val_if_fail(mem->image, FALSE);
if (--mem->map_count == 0) {
gst_vaapi_image_unmap(mem->image);
/* Unmap VA image used for read/writes */
if (info->flags & GST_MAP_READWRITE)
gst_vaapi_image_unmap(mem->image);
/* Commit VA image to surface */
if ((info->flags & GST_MAP_WRITE) && !mem->use_direct_rendering) {