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// Copyright (c) 2019-2020 Intel Corporation
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#ifndef __MFXBRC_H__
#define __MFXBRC_H__
#include "mfxvstructures.h"
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
/* Extended Buffer Ids */
enum {
MFX_EXTBUFF_BRC = MFX_MAKEFOURCC('E','B','R','C')
};
MFX_PACK_BEGIN_STRUCT_W_PTR()
typedef struct {
#if (MFX_VERSION >= 1026)
mfxU32 reserved[23];
mfxU16 SceneChange; // Frame is Scene Chg frame
mfxU16 LongTerm; // Frame is long term refrence
mfxU32 FrameCmplx; // Frame Complexity
#else
mfxU32 reserved[25];
#endif
mfxU32 EncodedOrder; // Frame number in a sequence of reordered frames starting from encoder Init()
mfxU32 DisplayOrder; // Frame number in a sequence of frames in display order starting from last IDR
mfxU32 CodedFrameSize; // Size of frame in bytes after encoding
mfxU16 FrameType; // See FrameType enumerator
mfxU16 PyramidLayer; // B-pyramid or P-pyramid layer, frame belongs to
mfxU16 NumRecode; // Number of recodings performed for this frame
mfxU16 NumExtParam;
mfxExtBuffer** ExtParam;
} mfxBRCFrameParam;
MFX_PACK_END()
MFX_PACK_BEGIN_STRUCT_W_PTR()
typedef struct {
mfxI32 QpY; // Frame-level Luma QP
#if (MFX_VERSION >= 1029)
mfxU32 InitialCpbRemovalDelay;
mfxU32 InitialCpbRemovalOffset;
mfxU32 reserved1[7];
mfxU32 MaxFrameSize; // Max frame size in bytes (used for rePak)
mfxU8 DeltaQP[8]; // deltaQP[i] is adding to QP value while i-rePak
mfxU16 MaxNumRepak; // Max number of rePak to provide MaxFrameSize (from 0 to 8)
mfxU16 NumExtParam;
mfxExtBuffer** ExtParam; // extension buffer list
#else
mfxU32 reserved1[13];
mfxHDL reserved2;
#endif
} mfxBRCFrameCtrl;
MFX_PACK_END()
/* BRCStatus */
enum {
MFX_BRC_OK = 0, // CodedFrameSize is acceptable, no further recoding/padding/skip required
MFX_BRC_BIG_FRAME = 1, // Coded frame is too big, recoding required
MFX_BRC_SMALL_FRAME = 2, // Coded frame is too small, recoding required
MFX_BRC_PANIC_BIG_FRAME = 3, // Coded frame is too big, no further recoding possible - skip frame
MFX_BRC_PANIC_SMALL_FRAME = 4 // Coded frame is too small, no further recoding possible - required padding to MinFrameSize
};
MFX_PACK_BEGIN_STRUCT_W_PTR()
typedef struct {
mfxU32 MinFrameSize; // Size in bytes, coded frame must be padded to when Status = MFX_BRC_PANIC_SMALL_FRAME
mfxU16 BRCStatus; // See BRCStatus enumerator
mfxU16 reserved[25];
mfxHDL reserved1;
} mfxBRCFrameStatus;
MFX_PACK_END()
/* Structure contains set of callbacks to perform external bit-rate control.
Can be attached to mfxVideoParam structure during encoder initialization.
Turn mfxExtCodingOption2::ExtBRC option ON to make encoder use external BRC instead of native one. */
MFX_PACK_BEGIN_STRUCT_W_PTR()
typedef struct {
mfxExtBuffer Header;
mfxU32 reserved[14];
mfxHDL pthis; // Pointer to user-defined BRC instance. Will be passed to each mfxExtBRC callback.
// Initialize BRC. Will be invoked during encoder Init(). In - pthis, par.
mfxStatus (MFX_CDECL *Init) (mfxHDL pthis, mfxVideoParam* par);
// Reset BRC. Will be invoked during encoder Reset(). In - pthis, par.
mfxStatus (MFX_CDECL *Reset) (mfxHDL pthis, mfxVideoParam* par);
// Close BRC. Will be invoked during encoder Close(). In - pthis.
mfxStatus (MFX_CDECL *Close) (mfxHDL pthis);
// Obtain from BRC controls required for frame encoding.
// Will be invoked BEFORE encoding of each frame. In - pthis, par; Out - ctrl.
mfxStatus (MFX_CDECL *GetFrameCtrl) (mfxHDL pthis, mfxBRCFrameParam* par, mfxBRCFrameCtrl* ctrl);
// Update BRC state and return command to continue/recode frame/do padding/skip frame.
// Will be invoked AFTER encoding of each frame. In - pthis, par, ctrl; Out - status.
mfxStatus (MFX_CDECL *Update) (mfxHDL pthis, mfxBRCFrameParam* par, mfxBRCFrameCtrl* ctrl, mfxBRCFrameStatus* status);
mfxHDL reserved1[10];
} mfxExtBRC;
MFX_PACK_END()
#ifdef __cplusplus
} // extern "C"
#endif /* __cplusplus */
#endif