The Intel binary iHD driver does not support the VASurfaceAttribMemoryType, so surface allocation will fail when using it.
		
			
				
	
	
		
			111 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * Libav 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 Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#ifndef AVUTIL_HWCONTEXT_VAAPI_H
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#define AVUTIL_HWCONTEXT_VAAPI_H
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#include <va/va.h>
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/**
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 * @file
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 * API-specific header for AV_HWDEVICE_TYPE_VAAPI.
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 *
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 * Dynamic frame pools are supported, but note that any pool used as a render
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 * target is required to be of fixed size in order to be be usable as an
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 * argument to vaCreateContext().
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 *
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 * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
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 * with the data pointer set to a VASurfaceID.
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 */
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enum {
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    /**
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     * The quirks field has been set by the user and should not be detected
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     * automatically by av_hwdevice_ctx_init().
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     */
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    AV_VAAPI_DRIVER_QUIRK_USER_SET = (1 << 0),
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    /**
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     * The driver does not destroy parameter buffers when they are used by
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     * vaRenderPicture().  Additional code will be required to destroy them
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     * separately afterwards.
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     */
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    AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS = (1 << 1),
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    /**
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     * The driver does not support the VASurfaceAttribMemoryType attribute,
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     * so the surface allocation code will not try to use it.
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     */
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    AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE = (1 << 2),
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};
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/**
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 * VAAPI connection details.
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 *
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 * Allocated as AVHWDeviceContext.hwctx
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 */
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typedef struct AVVAAPIDeviceContext {
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    /**
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     * The VADisplay handle, to be filled by the user.
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     */
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    VADisplay display;
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    /**
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     * Driver quirks to apply - this is filled by av_hwdevice_ctx_init(),
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     * with reference to a table of known drivers, unless the
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     * AV_VAAPI_DRIVER_QUIRK_USER_SET bit is already present.  The user
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     * may need to refer to this field when performing any later
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     * operations using VAAPI with the same VADisplay.
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     */
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    unsigned int driver_quirks;
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} AVVAAPIDeviceContext;
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/**
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 * VAAPI-specific data associated with a frame pool.
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 *
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 * Allocated as AVHWFramesContext.hwctx.
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 */
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typedef struct AVVAAPIFramesContext {
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    /**
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     * Set by the user to apply surface attributes to all surfaces in
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     * the frame pool.  If null, default settings are used.
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     */
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    VASurfaceAttrib *attributes;
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    int           nb_attributes;
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    /**
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     * The surfaces IDs of all surfaces in the pool after creation.
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     * Only valid if AVHWFramesContext.initial_pool_size was positive.
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     * These are intended to be used as the render_targets arguments to
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     * vaCreateContext().
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     */
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    VASurfaceID     *surface_ids;
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    int           nb_surfaces;
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} AVVAAPIFramesContext;
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/**
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 * VAAPI hardware pipeline configuration details.
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 *
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 * Allocated with av_hwdevice_hwconfig_alloc().
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 */
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typedef struct AVVAAPIHWConfig {
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    /**
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     * ID of a VAAPI pipeline configuration.
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     */
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    VAConfigID config_id;
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} AVVAAPIHWConfig;
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#endif /* AVUTIL_HWCONTEXT_VAAPI_H */
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