/* * 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
*/ typedefstruct 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.
*/ unsignedint driver_quirks;
} AVVAAPIDeviceContext;
/** * VAAPI-specific data associated with a frame pool. * * Allocated as AVHWFramesContext.hwctx.
*/ typedefstruct 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().
*/ typedefstruct AVVAAPIHWConfig { /** * ID of a VAAPI pipeline configuration.
*/
VAConfigID config_id;
} AVVAAPIHWConfig;
#endif/* AVUTIL_HWCONTEXT_VAAPI_H */
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