| /* | |
| * 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 | |
| */ | |
| /** | |
| * @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; | |