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2d2334afed
Handle global-alpha from GstVideoOverlayComposition API. Likewise, the same code path could also work for premultiplied-alpha but this was not tested. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
/*
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* gstvaapiutils.h - VA-API utilities
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*
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* Copyright (C) 2010-2011 Splitted-Desktop Systems
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* Copyright (C) 2011-2012 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_VAAPI_UTILS_H
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#define GST_VAAPI_UTILS_H
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#include "config.h"
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#include <glib.h>
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#include <va/va.h>
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/** Check VA status for success or print out an error */
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G_GNUC_INTERNAL
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gboolean
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vaapi_check_status(VAStatus status, const char *msg);
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/** Maps VA buffer */
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G_GNUC_INTERNAL
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void *
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vaapi_map_buffer(VADisplay dpy, VABufferID buf_id);
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/** Unmaps VA buffer */
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G_GNUC_INTERNAL
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void
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vaapi_unmap_buffer(VADisplay dpy, VABufferID buf_id, void **pbuf);
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/** Creates and maps VA buffer */
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G_GNUC_INTERNAL
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gboolean
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vaapi_create_buffer(
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VADisplay dpy,
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VAContextID ctx,
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int type,
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unsigned int size,
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gconstpointer data,
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VABufferID *buf_id,
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gpointer *mapped_data
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);
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/** Destroy VA buffer */
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G_GNUC_INTERNAL
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void
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vaapi_destroy_buffer(VADisplay dpy, VABufferID *buf_id);
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/** Return a string representation of a VAProfile */
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G_GNUC_INTERNAL
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const char *string_of_VAProfile(VAProfile profile);
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/** Return a string representation of a VAEntrypoint */
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G_GNUC_INTERNAL
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const char *string_of_VAEntrypoint(VAEntrypoint entrypoint);
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/* Return a string representation of a VADisplayAttributeType */
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G_GNUC_INTERNAL
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const char *
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string_of_VADisplayAttributeType(VADisplayAttribType attribute_type);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiSubpictureFlags(guint flags);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiSubpictureFlags(guint va_flags);
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G_GNUC_INTERNAL
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guint
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from_GstVideoOverlayFormatFlags(guint ovl_flags);
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G_GNUC_INTERNAL
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guint
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to_GstVideoOverlayFormatFlags(guint flags);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiSurfaceRenderFlags(guint flags);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiSurfaceStatus(guint va_flags);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiRotation(guint value);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiRotation(guint value);
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#endif /* GST_VAAPI_UTILS_H */
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