gstreamer/subprojects/gstreamer-vaapi/gst-libs/gst/vaapi/gstvaapiutils.h

178 lines
4.2 KiB
C

/*
* gstvaapiutils.h - VA-API utilities
*
* Copyright (C) 2010-2011 Splitted-Desktop Systems
* Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
* Copyright (C) 2011-2013 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPI_UTILS_H
#define GST_VAAPI_UTILS_H
#include <glib.h>
#include <gst/video/video.h>
#include <va/va.h>
/** calls vaInitialize() redirecting the logging mechanism */
G_GNUC_INTERNAL
gboolean
vaapi_initialize (VADisplay dpy);
/** Check VA status for success or print out an error */
G_GNUC_INTERNAL
gboolean
vaapi_check_status (VAStatus status, const gchar *msg);
/** Maps VA buffer */
G_GNUC_INTERNAL
gpointer
vaapi_map_buffer (VADisplay dpy, VABufferID buf_id);
/** Unmaps VA buffer */
G_GNUC_INTERNAL
void
vaapi_unmap_buffer (VADisplay dpy, VABufferID buf_id, void **pbuf);
/** Creates and maps VA buffer */
G_GNUC_INTERNAL
gboolean
vaapi_create_buffer (VADisplay dpy, VAContextID ctx, int type, guint size,
gconstpointer data, VABufferID * buf_id, gpointer * mapped_data);
G_GNUC_INTERNAL
gboolean
vaapi_create_n_elements_buffer (VADisplay dpy, VAContextID ctx, int type,
guint size, gconstpointer data, VABufferID * buf_id, gpointer * mapped_data,
int num_elements);
/** Destroy VA buffer */
G_GNUC_INTERNAL
void
vaapi_destroy_buffer (VADisplay dpy, VABufferID * buf_id);
/** Return a string representation of a VAProfile */
G_GNUC_INTERNAL
const gchar *
string_of_VAProfile (VAProfile profile);
/** Return a string representation of a VAEntrypoint */
G_GNUC_INTERNAL
const gchar *
string_of_VAEntrypoint (VAEntrypoint entrypoint);
/* Return a string representation of a VADisplayAttributeType */
G_GNUC_INTERNAL
const gchar *
string_of_VADisplayAttributeType (VADisplayAttribType attribute_type);
/* Return a string representation of a VA chroma format */
G_GNUC_INTERNAL
const gchar *
string_of_va_chroma_format (guint chroma_format);
G_GNUC_INTERNAL
const gchar *
string_of_VARateControl (guint rate_control);
G_GNUC_INTERNAL
guint
to_GstVaapiChromaType (guint va_rt_format);
G_GNUC_INTERNAL
guint
from_GstVaapiChromaType (guint chroma_type);
G_GNUC_INTERNAL
guint
from_GstVaapiSubpictureFlags (guint flags);
G_GNUC_INTERNAL
guint
to_GstVaapiSubpictureFlags (guint va_flags);
G_GNUC_INTERNAL
guint
from_GstVideoOverlayFormatFlags (guint ovl_flags);
G_GNUC_INTERNAL
guint
to_GstVideoOverlayFormatFlags (guint flags);
G_GNUC_INTERNAL
guint
from_GstVaapiSurfaceRenderFlags (guint flags);
G_GNUC_INTERNAL
guint
to_GstVaapiSurfaceStatus (guint va_flags);
G_GNUC_INTERNAL
guint
from_GstVaapiRotation (guint value);
G_GNUC_INTERNAL
guint
to_GstVaapiRotation (guint value);
G_GNUC_INTERNAL
guint
from_GstVaapiRateControl (guint value);
G_GNUC_INTERNAL
guint
to_GstVaapiRateControl (guint value);
G_GNUC_INTERNAL
guint
from_GstVaapiDeinterlaceMethod (guint value);
G_GNUC_INTERNAL
guint
from_GstVaapiDeinterlaceFlags (guint flags);
G_GNUC_INTERNAL
guint
from_GstVaapiScaleMethod (guint value);
G_GNUC_INTERNAL
guint
to_GstVaapiScaleMethod (guint flags);
G_GNUC_INTERNAL
void
from_GstVideoOrientationMethod (guint value, guint * va_mirror,
guint * va_rotation);
G_GNUC_INTERNAL
guint
from_GstVaapiBufferMemoryType (guint type);
G_GNUC_INTERNAL
guint
to_GstVaapiBufferMemoryType (guint va_type);
G_GNUC_INTERNAL
guint
from_GstVideoColorimetry (const GstVideoColorimetry *const colorimetry);
G_GNUC_INTERNAL
guint
from_GstVideoColorRange (const GstVideoColorRange value);
#endif /* GST_VAAPI_UTILS_H */