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169 lines
4 KiB
C
169 lines
4 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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* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
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* Copyright (C) 2011-2013 Intel Corporation
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* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
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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 <glib.h>
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#include <va/va.h>
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/** calls vaInitialize() redirecting the logging mechanism */
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G_GNUC_INTERNAL
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gboolean
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vaapi_initialize (VADisplay dpy);
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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 gchar *msg);
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/** Maps VA buffer */
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G_GNUC_INTERNAL
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gpointer
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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 (VADisplay dpy, VAContextID ctx, int type, guint size,
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gconstpointer data, VABufferID * buf_id, gpointer * mapped_data);
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G_GNUC_INTERNAL
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gboolean
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vaapi_create_n_elements_buffer (VADisplay dpy, VAContextID ctx, int type,
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guint size, gconstpointer data, VABufferID * buf_id, gpointer * mapped_data,
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int num_elements);
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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 gchar *
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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 gchar *
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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 gchar *
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string_of_VADisplayAttributeType (VADisplayAttribType attribute_type);
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/* Return a string representation of a VA chroma format */
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G_GNUC_INTERNAL
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const gchar *
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string_of_va_chroma_format (guint chroma_format);
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G_GNUC_INTERNAL
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const gchar *
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string_of_VARateControl (guint rate_control);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiChromaType (guint va_rt_format);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiChromaType (guint chroma_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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G_GNUC_INTERNAL
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guint
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from_GstVaapiRateControl (guint value);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiRateControl (guint value);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiDeinterlaceMethod (guint value);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiDeinterlaceFlags (guint flags);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiScaleMethod (guint value);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiScaleMethod (guint flags);
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G_GNUC_INTERNAL
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void
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from_GstVideoOrientationMethod (guint value, guint * va_mirror,
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guint * va_rotation);
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G_GNUC_INTERNAL
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guint
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from_GstVaapiBufferMemoryType (guint type);
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G_GNUC_INTERNAL
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guint
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to_GstVaapiBufferMemoryType (guint va_type);
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#endif /* GST_VAAPI_UTILS_H */
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