libbpg/x265/source/common/framedata.h
2015-10-27 11:46:00 +01:00

152 lines
5.4 KiB
C++

/*****************************************************************************
* Copyright (C) 2013 x265 project
*
* Author: Steve Borho <steve@borho.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#ifndef X265_FRAMEDATA_H
#define X265_FRAMEDATA_H
#include "common.h"
#include "slice.h"
#include "cudata.h"
namespace X265_NS {
// private namespace
class PicYuv;
class JobProvider;
#define INTER_MODES 4 // 2Nx2N, 2NxN, Nx2N, AMP modes
#define INTRA_MODES 3 // DC, Planar, Angular modes
/* Current frame stats for 2 pass */
struct FrameStats
{
int mvBits; /* MV bits (MV+Ref+Block Type) */
int coeffBits; /* Texture bits (DCT coefs) */
int miscBits;
int intra8x8Cnt;
int inter8x8Cnt;
int skip8x8Cnt;
/* CU type counts stored as percentage */
double percent8x8Intra;
double percent8x8Inter;
double percent8x8Skip;
double avgLumaDistortion;
double avgChromaDistortion;
double avgPsyEnergy;
double avgResEnergy;
double percentIntraNxN;
double percentSkipCu[NUM_CU_DEPTH];
double percentMergeCu[NUM_CU_DEPTH];
double percentIntraDistribution[NUM_CU_DEPTH][INTRA_MODES];
double percentInterDistribution[NUM_CU_DEPTH][3]; // 2Nx2N, RECT, AMP modes percentage
uint64_t cntIntraNxN;
uint64_t totalCu;
uint64_t totalCtu;
uint64_t lumaDistortion;
uint64_t chromaDistortion;
uint64_t psyEnergy;
uint64_t resEnergy;
uint64_t cntSkipCu[NUM_CU_DEPTH];
uint64_t cntMergeCu[NUM_CU_DEPTH];
uint64_t cntInter[NUM_CU_DEPTH];
uint64_t cntIntra[NUM_CU_DEPTH];
uint64_t cuInterDistribution[NUM_CU_DEPTH][INTER_MODES];
uint64_t cuIntraDistribution[NUM_CU_DEPTH][INTRA_MODES];
FrameStats()
{
memset(this, 0, sizeof(FrameStats));
}
};
/* Per-frame data that is used during encodes and referenced while the picture
* is available for reference. A FrameData instance is attached to a Frame as it
* comes out of the lookahead. Frames which are not being encoded do not have a
* FrameData instance. These instances are re-used once the encoded frame has
* no active references. They hold the Slice instance and the 'official' CTU
* data structures. They are maintained in a free-list pool along together with
* a reconstructed image PicYuv in order to conserve memory. */
class FrameData
{
public:
Slice* m_slice;
SAOParam* m_saoParam;
const x265_param* m_param;
FrameData* m_freeListNext;
PicYuv* m_reconPic;
bool m_bHasReferences; /* used during DPB/RPS updates */
int m_frameEncoderID; /* the ID of the FrameEncoder encoding this frame */
JobProvider* m_jobProvider;
CUDataMemPool m_cuMemPool;
CUData* m_picCTU;
/* Rate control data used during encode and by references */
struct RCStatCU
{
uint32_t totalBits; /* total bits to encode this CTU */
uint32_t vbvCost; /* sum of lowres costs for 16x16 sub-blocks */
uint32_t intraVbvCost; /* sum of lowres intra costs for 16x16 sub-blocks */
uint64_t avgCost[4]; /* stores the avg cost of CU's in frame for each depth */
uint32_t count[4]; /* count and avgCost only used by Analysis at RD0..4 */
double baseQp; /* Qp of Cu set from RateControl/Vbv (only used by frame encoder) */
};
struct RCStatRow
{
uint32_t numEncodedCUs; /* ctuAddr of last encoded CTU in row */
uint32_t encodedBits; /* sum of 'totalBits' of encoded CTUs */
uint32_t satdForVbv; /* sum of lowres (estimated) costs for entire row */
uint32_t intraSatdForVbv; /* sum of lowres (estimated) intra costs for entire row */
uint32_t diagSatd;
uint32_t diagIntraSatd;
double diagQp;
double diagQpScale;
double sumQpRc;
double sumQpAq;
};
RCStatCU* m_cuStat;
RCStatRow* m_rowStat;
FrameStats m_frameStats; // stats of current frame for multi-pass encodes
double m_avgQpRc; /* avg QP as decided by rate-control */
double m_avgQpAq; /* avg QP as decided by AQ in addition to rate-control */
double m_rateFactor; /* calculated based on the Frame QP */
FrameData();
bool create(const x265_param& param, const SPS& sps);
void reinit(const SPS& sps);
void destroy();
inline CUData* getPicCTU(uint32_t ctuAddr) { return &m_picCTU[ctuAddr]; }
};
}
#endif // ifndef X265_FRAMEDATA_H