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Copied from oneVPL project (https://github.com/oneapi-src/oneVPL) v2022.0.3 tag at the commit of efc259f8b7ee5c334bca1a904a503186038bbbdd This is corresponding to MFX API version 2.6 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1408>
183 lines
8.6 KiB
C
183 lines
8.6 KiB
C
/*############################################################################
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# Copyright Intel Corporation
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#
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# SPDX-License-Identifier: MIT
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############################################################################*/
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#ifndef __MFX_SURFACE_POOL_H__
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#define __MFX_SURFACE_POOL_H__
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#include "mfxstructures.h"
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/*! GUID to obtain mfxSurfacePoolInterface. */
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static const mfxGUID MFX_GUID_SURFACE_POOL = {{0x35, 0x24, 0xf3, 0xda, 0x96, 0x4e, 0x47, 0xf1, 0xaf, 0xb4, 0xec, 0xb1, 0x15, 0x08, 0x06, 0xb1}};
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//*! Specifies type of pool for VPP component. */
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typedef enum {
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MFX_VPP_POOL_IN = 0, /*!< Input pool. */
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MFX_VPP_POOL_OUT = 1 /*!< Output pool. */
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} mfxVPPPoolType;
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MFX_PACK_BEGIN_USUAL_STRUCT()
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/*! The extension buffer specifies surface pool management policy.
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Absence of the attached buffer means MFX_ALLOCATION_UNLIMITED policy:
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each call of GetSurfaceForXXX leads to surface allocation.
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*/
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typedef struct {
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mfxExtBuffer Header; /*!< Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_ALLOCATION_HINTS. */
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mfxPoolAllocationPolicy AllocationPolicy; /*!< Allocation policy. */
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/*! How many surfaces to allocate during Init.
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It's applicable for any polices set by mfxPoolAllocationPolicy::AllocationPolicy
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even if the requested number exceeds recommended size of the pool. */
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mfxU32 NumberToPreAllocate;
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/*! DeltaToAllocateOnTheFly specifies how many surfaces are allocated
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in addition to NumberToPreAllocate in MFX_ALLOCATION_LIMITED mode.
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Maximum number of allocated frames will be
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NumberToPreAllocate + DeltaToAllocateOnTheFly.
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*/
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mfxU32 DeltaToAllocateOnTheFly;
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union {
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mfxVPPPoolType VPPPoolType; /*!< Defines what VPP pool is targeted - input or ouput. Ignored for other components. */
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mfxU32 reserved;
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};
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mfxU32 Wait; /*!< Time in milliseconds for GetSurfaceForXXX() and DecodeFrameAsync functions to wait until surface will be available. */
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mfxU32 reserved1[4]; /*!< Reserved for future use */
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} mfxExtAllocationHints;
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MFX_PACK_END()
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MFX_PACK_BEGIN_STRUCT_W_PTR()
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/*! Specifies the surface pool interface. */
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typedef struct mfxSurfacePoolInterface
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{
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mfxHDL Context; /*!< The context of the surface pool interface. User should not touch (change, set, null) this pointer. */
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/*! @brief
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Increments the internal reference counter of the mfxSurfacePoolInterface. The mfxSurfacePoolInterface is not destroyed until the
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mfxSurfacePoolInterface is destroyed with mfxSurfacePoolInterface::Release function. mfxSurfacePoolInterface::AddRef should be used each time a new link to the
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mfxSurfacePoolInterface is created for proper management.
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@param[in] pool Valid pool.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *AddRef)(struct mfxSurfacePoolInterface *pool);
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/*! @brief
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Decrements the internal reference counter of the mfxSurfacePoolInterface. mfxSurfacePoolInterface::Release
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should be called after using the mfxSurfacePoolInterface::AddRef function to add a mfxSurfacePoolInterface or when allocation logic requires it.
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For example, call mfxSurfacePoolInterface::Release to release a mfxSurfacePoolInterface obtained with
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the mfxFrameSurfaceInterface::QueryInterface function.
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@param[in] pool Valid pool.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNDEFINED_BEHAVIOR If Reference Counter of mfxSurfacePoolInterface is zero before call. \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *Release)(struct mfxSurfacePoolInterface *pool);
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/*! @brief
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Returns current reference counter of mfxSurfacePoolInterface structure.
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@param[in] pool Valid pool.
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@param[out] counter Sets counter to the current reference counter value.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool or counter is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *GetRefCounter)(struct mfxSurfacePoolInterface *pool, mfxU32* counter);
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/*! @brief
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The function should be called by oneVPL components or application to specify how many surfaces it will use concurrently.
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Internally, oneVPL allocates surfaces in the shared pool according to the component's policy set by mfxPoolAllocationPolicy.
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The exact moment of surfaces allocation is defined by the component and generally independent from that call.
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@param[in] pool Valid pool.
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@param[in] num_surfaces The number of surfaces required by the component.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_WRN_INCOMPATIBLE_VIDEO_PARAM If pool has MFX_ALLOCATION_UNLIMITED or MFX_ALLOCATION_LIMITED policy. \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *SetNumSurfaces)(struct mfxSurfacePoolInterface *pool, mfxU32 num_surfaces);
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/*! @brief
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The function should be called by oneVPL components when component is closed or reset and doesn't need to use pool more. It helps
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to manage memory accordingly and release redundant memory. Important to specify the same number of surfaces which is requested
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during SetNumSurfaces call, otherwise it may lead to the pipeline stalls.
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@param[in] pool Valid pool.
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@param[in] num_surfaces The number of surfaces used by the component.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_WRN_OUT_OF_RANGE If num_surfaces doesn't equal to num_surfaces requested during SetNumSurfaces call. \n
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MFX_ERR_NULL_PTR If pool is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_WRN_INCOMPATIBLE_VIDEO_PARAM If pool has MFX_ALLOCATION_UNLIMITED or MFX_ALLOCATION_LIMITED policy. \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *RevokeSurfaces)(struct mfxSurfacePoolInterface *pool, mfxU32 num_surfaces);
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/*! @brief
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Returns current allocation policy.
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@param[in] pool Valid pool.
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@param[out] policy Sets policy to the current allocation policy value.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool or policy is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *GetAllocationPolicy)(struct mfxSurfacePoolInterface *pool, mfxPoolAllocationPolicy *policy);
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/*! @brief
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Returns maximum pool size. In case of mfxPoolAllocationPolicy::MFX_ALLOCATION_UNLIMITED policy 0xFFFFFFFF will be returned.
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@param[in] pool Valid pool.
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@param[out] size Sets size to the maximum pool size value.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool or size is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *GetMaximumPoolSize)(struct mfxSurfacePoolInterface *pool, mfxU32 *size);
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/*! @brief
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Returns current pool size.
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@param[in] pool Valid pool.
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@param[out] size Sets size to the current pool size value.
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@return
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MFX_ERR_NONE If no error. \n
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MFX_ERR_NULL_PTR If pool or size is NULL. \n
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MFX_ERR_INVALID_HANDLE If mfxSurfacePoolInterface->Context is invalid (for example NULL). \n
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MFX_ERR_UNKNOWN Any internal error.
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*/
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mfxStatus (MFX_CDECL *GetCurrentPoolSize)(struct mfxSurfacePoolInterface *pool, mfxU32 *size);
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mfxHDL reserved[4]; /*!< Reserved for future use. */
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} mfxSurfacePoolInterface;
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MFX_PACK_END()
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#endif /* __MFX_SURFACE_POOL_H__ */
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