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| | |
| | | /* |
| | | * This file is part of FFmpeg. |
| | | * |
| | | * FFmpeg 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. |
| | | * |
| | | * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| | | */ |
| | | |
| | | #ifndef AVUTIL_HWCONTEXT_VAAPI_H |
| | | #define AVUTIL_HWCONTEXT_VAAPI_H |
| | | |
| | | #include <va/va.h> |
| | | |
| | | /** |
| | | * @file |
| | | * API-specific header for AV_HWDEVICE_TYPE_VAAPI. |
| | | * |
| | | * Dynamic frame pools are supported, but note that any pool used as a render |
| | | * target is required to be of fixed size in order to be be usable as an |
| | | * argument to vaCreateContext(). |
| | | * |
| | | * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs |
| | | * with the data pointer set to a VASurfaceID. |
| | | */ |
| | | |
| | | enum { |
| | | /** |
| | | * The quirks field has been set by the user and should not be detected |
| | | * automatically by av_hwdevice_ctx_init(). |
| | | */ |
| | | AV_VAAPI_DRIVER_QUIRK_USER_SET = (1 << 0), |
| | | /** |
| | | * The driver does not destroy parameter buffers when they are used by |
| | | * vaRenderPicture(). Additional code will be required to destroy them |
| | | * separately afterwards. |
| | | */ |
| | | AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS = (1 << 1), |
| | | |
| | | /** |
| | | * The driver does not support the VASurfaceAttribMemoryType attribute, |
| | | * so the surface allocation code will not try to use it. |
| | | */ |
| | | AV_VAAPI_DRIVER_QUIRK_ATTRIB_MEMTYPE = (1 << 2), |
| | | |
| | | /** |
| | | * The driver does not support surface attributes at all. |
| | | * The surface allocation code will never pass them to surface allocation, |
| | | * and the results of the vaQuerySurfaceAttributes() call will be faked. |
| | | */ |
| | | AV_VAAPI_DRIVER_QUIRK_SURFACE_ATTRIBUTES = (1 << 3), |
| | | }; |
| | | |
| | | /** |
| | | * VAAPI connection details. |
| | | * |
| | | * Allocated as AVHWDeviceContext.hwctx |
| | | */ |
| | | typedef struct AVVAAPIDeviceContext { |
| | | /** |
| | | * The VADisplay handle, to be filled by the user. |
| | | */ |
| | | VADisplay display; |
| | | /** |
| | | * Driver quirks to apply - this is filled by av_hwdevice_ctx_init(), |
| | | * with reference to a table of known drivers, unless the |
| | | * AV_VAAPI_DRIVER_QUIRK_USER_SET bit is already present. The user |
| | | * may need to refer to this field when performing any later |
| | | * operations using VAAPI with the same VADisplay. |
| | | */ |
| | | unsigned int driver_quirks; |
| | | } AVVAAPIDeviceContext; |
| | | |
| | | /** |
| | | * VAAPI-specific data associated with a frame pool. |
| | | * |
| | | * Allocated as AVHWFramesContext.hwctx. |
| | | */ |
| | | typedef struct AVVAAPIFramesContext { |
| | | /** |
| | | * Set by the user to apply surface attributes to all surfaces in |
| | | * the frame pool. If null, default settings are used. |
| | | */ |
| | | VASurfaceAttrib *attributes; |
| | | int nb_attributes; |
| | | /** |
| | | * The surfaces IDs of all surfaces in the pool after creation. |
| | | * Only valid if AVHWFramesContext.initial_pool_size was positive. |
| | | * These are intended to be used as the render_targets arguments to |
| | | * vaCreateContext(). |
| | | */ |
| | | VASurfaceID *surface_ids; |
| | | int nb_surfaces; |
| | | } AVVAAPIFramesContext; |
| | | |
| | | /** |
| | | * VAAPI hardware pipeline configuration details. |
| | | * |
| | | * Allocated with av_hwdevice_hwconfig_alloc(). |
| | | */ |
| | | typedef struct AVVAAPIHWConfig { |
| | | /** |
| | | * ID of a VAAPI pipeline configuration. |
| | | */ |
| | | VAConfigID config_id; |
| | | } AVVAAPIHWConfig; |
| | | |
| | | #endif /* AVUTIL_HWCONTEXT_VAAPI_H */ |