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118 lines
3.7 KiB
118 lines
3.7 KiB
2 years ago
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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* The driver does not support surface attributes at all.
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* The surface allocation code will never pass them to surface allocation,
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* and the results of the vaQuerySurfaceAttributes() call will be faked.
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*/
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AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES = (1 << 3),
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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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