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