[x265] [PATCH] Implementation for Intra-refresh
Steve Borho
steve at borho.org
Fri Sep 11 20:32:54 CEST 2015
On 09/09, santhoshini at multicorewareinc.com wrote:
> # HG changeset patch
> # User Santhoshini Sekar<santhoshini at multicorewareinc.com>
> # Date 1441783208 -19800
> # Wed Sep 09 12:50:08 2015 +0530
> # Node ID b83e67c7cc436142f0e4c370681af1ff9aa38402
> # Parent f6892dcc7f4e74af58d7f39e085aed44afba919c
> Implementation for Intra-refresh
>
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/analysis.cpp
> --- a/source/encoder/analysis.cpp Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/analysis.cpp Wed Sep 09 12:50:08 2015 +0530
> @@ -170,6 +170,9 @@
> }
> else
> {
> + bForceIntra = m_param->bIntraRefresh && m_slice->m_sliceType == P_SLICE &&
> + ctu.m_cuPelX / g_maxCUSize >= frame.m_encData->m_pir.pirStartPelX && ctu.m_cuPelX / g_maxCUSize < frame.m_encData->m_pir.pirEndPelX;
it's occurred to me that when bForceIntra is true, we can simply call
compressIntraCU() instead of compressInterCU_*(). Then bForceIntra can
be a local variable instead of a member var, and all the other changes
to this file can be discarded
> if (!m_param->rdLevel)
> {
> /* In RD Level 0/1, copy source pixels into the reconstructed block so
> @@ -828,7 +831,7 @@
> bool splitIntra = true;
> uint32_t splitRefs[4] = { 0, 0, 0, 0 };
> /* Step 1. Evaluate Merge/Skip candidates for likely early-outs */
> - if (mightNotSplit && depth >= minDepth)
> + if (mightNotSplit && depth >= minDepth && !bForceIntra)
> {
> /* Compute Merge Cost */
> md.pred[PRED_MERGE].cu.initSubCU(parentCTU, cuGeom, qp);
> @@ -909,7 +912,7 @@
> if (m_slice->m_pps->bUseDQP && depth <= m_slice->m_pps->maxCuDQPDepth && m_slice->m_pps->maxCuDQPDepth != 0)
> setLambdaFromQP(parentCTU, qp);
>
> - if (!earlyskip)
> + if (!earlyskip && !bForceIntra)
> {
> uint32_t refMasks[2];
> refMasks[0] = allSplitRefs;
> @@ -1119,7 +1122,21 @@
> }
> }
> }
> - } // !earlyskip
> + }
> + if (!earlyskip && bForceIntra)
> + {
> + ProfileCounter(parentCTU, totalIntraCU[cuGeom.depth]);
> + md.pred[PRED_INTRA].cu.initSubCU(parentCTU, cuGeom, qp);
> + checkIntra(md.pred[PRED_INTRA], cuGeom, SIZE_2Nx2N, NULL, NULL);
> + checkBestMode(md.pred[PRED_INTRA], depth);
> +
> + if (cuGeom.log2CUSize == 3 && m_slice->m_sps->quadtreeTULog2MinSize < 3)
> + {
> + md.pred[PRED_INTRA_NxN].cu.initSubCU(parentCTU, cuGeom, qp);
> + checkIntra(md.pred[PRED_INTRA_NxN], cuGeom, SIZE_NxN, NULL, NULL);
> + checkBestMode(md.pred[PRED_INTRA_NxN], depth);
> + }
> + }// !earlyskip
>
> if (m_bTryLossless)
> tryLossless(cuGeom);
> @@ -1189,23 +1206,36 @@
> {
> uint8_t* reuseDepth = &m_reuseInterDataCTU->depth[parentCTU.m_cuAddr * parentCTU.m_numPartitions];
> uint8_t* reuseModes = &m_reuseInterDataCTU->modes[parentCTU.m_cuAddr * parentCTU.m_numPartitions];
> - if (mightNotSplit && depth == reuseDepth[zOrder] && zOrder == cuGeom.absPartIdx && reuseModes[zOrder] == MODE_SKIP)
> + if (!bForceIntra)
> {
> - md.pred[PRED_SKIP].cu.initSubCU(parentCTU, cuGeom, qp);
> - md.pred[PRED_MERGE].cu.initSubCU(parentCTU, cuGeom, qp);
> - checkMerge2Nx2N_rd5_6(md.pred[PRED_SKIP], md.pred[PRED_MERGE], cuGeom, true);
> + if (mightNotSplit && depth == reuseDepth[zOrder] && zOrder == cuGeom.absPartIdx && reuseModes[zOrder] == MODE_SKIP)
> + {
> + md.pred[PRED_SKIP].cu.initSubCU(parentCTU, cuGeom, qp);
> + md.pred[PRED_MERGE].cu.initSubCU(parentCTU, cuGeom, qp);
> + checkMerge2Nx2N_rd5_6(md.pred[PRED_SKIP], md.pred[PRED_MERGE], cuGeom, true);
>
> - if (m_bTryLossless)
> - tryLossless(cuGeom);
> + if (m_bTryLossless)
> + tryLossless(cuGeom);
>
> - if (mightSplit)
> - addSplitFlagCost(*md.bestMode, cuGeom.depth);
> + if (mightSplit)
> + addSplitFlagCost(*md.bestMode, cuGeom.depth);
>
> - // increment zOrder offset to point to next best depth in sharedDepth buffer
> - zOrder += g_depthInc[g_maxCUDepth - 1][reuseDepth[zOrder]];
> + // increment zOrder offset to point to next best depth in sharedDepth buffer
> + zOrder += g_depthInc[g_maxCUDepth - 1][reuseDepth[zOrder]];
>
> - mightSplit = false;
> - mightNotSplit = false;
> + mightSplit = false;
> + mightNotSplit = false;
> + }
> + }
> + else
> + {
> + char* reusePartSizes = &m_reuseIntraDataCTU->partSizes[parentCTU.m_cuAddr * parentCTU.m_numPartitions];
> + uint8_t* reuseChromaModes = &m_reuseIntraDataCTU->chromaModes[parentCTU.m_cuAddr * parentCTU.m_numPartitions];
> + PartSize size = (PartSize)reusePartSizes[zOrder];
> + Mode& mode = size == SIZE_2Nx2N ? md.pred[PRED_INTRA] : md.pred[PRED_INTRA_NxN];
> + int ipOffset = (int)(6.0 * X265_LOG2(m_param->rc.ipFactor) + 0.5);
> + mode.cu.initSubCU(parentCTU, cuGeom, X265_MAX(mode.cu.m_qp[0] - ipOffset, QP_MIN));
> + checkIntra(mode, cuGeom, size, &reuseModes[zOrder], &reuseChromaModes[zOrder]);
> }
> }
>
> @@ -1213,7 +1243,7 @@
> bool splitIntra = true;
> uint32_t splitRefs[4] = { 0, 0, 0, 0 };
> /* Step 1. Evaluate Merge/Skip candidates for likely early-outs */
> - if (mightNotSplit)
> + if (mightNotSplit && !bForceIntra)
> {
> md.pred[PRED_SKIP].cu.initSubCU(parentCTU, cuGeom, qp);
> md.pred[PRED_MERGE].cu.initSubCU(parentCTU, cuGeom, qp);
> @@ -1282,7 +1312,7 @@
> if (m_slice->m_pps->bUseDQP && depth <= m_slice->m_pps->maxCuDQPDepth && m_slice->m_pps->maxCuDQPDepth != 0)
> setLambdaFromQP(parentCTU, qp);
>
> - if (!(foundSkip && m_param->bEnableEarlySkip))
> + if (!(foundSkip && m_param->bEnableEarlySkip) && !bForceIntra)
> {
> uint32_t refMasks[2];
> refMasks[0] = allSplitRefs;
> @@ -1389,6 +1419,20 @@
> }
> }
> }
> + if (!(foundSkip && m_param->bEnableEarlySkip) && bForceIntra)
> + {
> + ProfileCounter(parentCTU, totalIntraCU[cuGeom.depth]);
> + md.pred[PRED_INTRA].cu.initSubCU(parentCTU, cuGeom, qp);
> + checkIntra(md.pred[PRED_INTRA], cuGeom, SIZE_2Nx2N, NULL, NULL);
> + checkBestMode(md.pred[PRED_INTRA], depth);
> +
> + if (cuGeom.log2CUSize == 3 && m_slice->m_sps->quadtreeTULog2MinSize < 3)
> + {
> + md.pred[PRED_INTRA_NxN].cu.initSubCU(parentCTU, cuGeom, qp);
> + checkIntra(md.pred[PRED_INTRA_NxN], cuGeom, SIZE_NxN, NULL, NULL);
> + checkBestMode(md.pred[PRED_INTRA_NxN], depth);
> + }
> + }
>
> if (m_bTryLossless)
> tryLossless(cuGeom);
> @@ -1464,7 +1508,13 @@
> (candMvField[i][0].mv.y >= (m_param->searchRange + 1) * 4 ||
> candMvField[i][1].mv.y >= (m_param->searchRange + 1) * 4))
> continue;
> -
> + if (m_param->bIntraRefresh && m_slice->m_sliceType == P_SLICE)
> + {
> + int maxX = (m_slice->m_refFrameList[0][0]->m_encData->m_pir.pirEndPelX * 16 - 3) * 4;
> + int maxMv = maxX - 4 * 16 * candMvField[i][0].mv.x;
> + if (maxMv > 0 && tempPred->cu.m_cuPelX / g_maxCUSize < m_frame->m_encData->m_pir.pirEndPelX)
> + continue;
> + }
> tempPred->cu.m_mvpIdx[0][0] = (uint8_t)i; // merge candidate ID is stored in L0 MVP idx
> X265_CHECK(m_slice->m_sliceType == B_SLICE || !(candDir[i] & 0x10), " invalid merge for P slice\n");
> tempPred->cu.m_interDir[0] = candDir[i];
> @@ -1592,7 +1642,13 @@
> continue;
> triedBZero = true;
> }
> -
> + if (m_param->bIntraRefresh && m_slice->m_sliceType == P_SLICE)
> + {
> + int maxX = (m_slice->m_refFrameList[0][0]->m_encData->m_pir.pirEndPelX * 16 - 3) * 4;
> + int maxMv = maxX - 4 * 16 * candMvField[i][0].mv.x;
> + if (maxMv > 0 && tempPred->cu.m_cuPelX / g_maxCUSize < m_frame->m_encData->m_pir.pirEndPelX)
> + continue;
> + }
> tempPred->cu.m_mvpIdx[0][0] = (uint8_t)i; /* merge candidate ID is stored in L0 MVP idx */
> tempPred->cu.m_interDir[0] = candDir[i];
> tempPred->cu.m_mv[0][0] = candMvField[i][0].mv;
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/analysis.h
> --- a/source/encoder/analysis.h Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/analysis.h Wed Sep 09 12:50:08 2015 +0530
> @@ -110,6 +110,8 @@
>
> uint32_t m_splitRefIdx[4];
>
> + int bForceIntra; // For Periodic Intra Refresh.Supported only in P-frames
member vars always have m_ prefixes
> +
> /* full analysis for an I-slice CU */
> void compressIntraCU(const CUData& parentCTU, const CUGeom& cuGeom, uint32_t &zOrder, int32_t qp);
>
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/api.cpp
> --- a/source/encoder/api.cpp Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/api.cpp Wed Sep 09 12:50:08 2015 +0530
> @@ -245,6 +245,16 @@
> }
> }
>
> +int x265_encoder_intra_refresh(x265_encoder *enc)
> +{
> + if (!enc)
> + return -1;
> +
> + Encoder *encoder = static_cast<Encoder*>(enc);
> + encoder->m_param->bQueuedIntraRefresh = 1;
> + return 0;
> +}
> +
> void x265_cleanup(void)
> {
> if (!g_ctuSizeConfigured)
> @@ -315,6 +325,7 @@
> &x265_encoder_log,
> &x265_encoder_close,
> &x265_cleanup,
> + &x265_encoder_intra_refresh,
>
> sizeof(x265_frame_stats),
> };
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/encoder.cpp
> --- a/source/encoder/encoder.cpp Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/encoder.cpp Wed Sep 09 12:50:08 2015 +0530
> @@ -768,6 +768,43 @@
> if (m_param->rc.rateControlMode != X265_RC_CQP)
> m_lookahead->getEstimatedPictureCost(frameEnc);
>
> + if (m_param->bIntraRefresh)
> + {
> + Slice* slice = frameEnc->m_encData->m_slice;
> + if (slice->m_sliceType == I_SLICE)
> + {
> + frameEnc->m_encData->m_pir.framesSinceLastPir = 0;
> + m_param->bQueuedIntraRefresh = 0;
> + /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
> + * the whole frame and counts as an intra refresh. */
> + frameEnc->m_encData->m_pir.position = frameEnc->m_lowres.maxBlocksInRow;
> + }
> + else if (slice->m_sliceType == P_SLICE)
> + {
> + Frame* ref = frameEnc->m_encData->m_slice->m_refFrameList[0][0];
> + int pocdiff = (frameEnc->m_poc - ref->m_poc);
> + float increment = X265_MAX(((float)frameEnc->m_lowres.maxBlocksInRow - 1) / m_param->keyframeMax, 1);
> + frameEnc->m_encData->m_pir.position = ref->m_encData->m_pir.position;
> + frameEnc->m_encData->m_pir.framesSinceLastPir = ref->m_encData->m_pir.framesSinceLastPir + pocdiff;
> + if (frameEnc->m_encData->m_pir.framesSinceLastPir >= m_param->keyframeMax ||
> + (m_param->bQueuedIntraRefresh && frameEnc->m_encData->m_pir.position + 0.5 >= frameEnc->m_lowres.maxBlocksInRow))
> + {
> + frameEnc->m_encData->m_pir.position = 0;
> + frameEnc->m_encData->m_pir.framesSinceLastPir = 0;
> + m_param->bQueuedIntraRefresh = 0;
> + frameEnc->m_lowres.bKeyframe = 1;
> + }
> + frameEnc->m_encData->m_pir.pirStartPelX = (uint32_t)(frameEnc->m_encData->m_pir.position + 0.5);
> + frameEnc->m_encData->m_pir.position += increment * pocdiff;
> + frameEnc->m_encData->m_pir.pirEndPelX = (uint32_t)(frameEnc->m_encData->m_pir.position + 0.5);
> + /* If our intra refresh has reached the right side of the frame, we're done. */
> + if (frameEnc->m_encData->m_pir.pirEndPelX >= frameEnc->m_lowres.maxBlocksInRow - 1)
> + {
> + frameEnc->m_encData->m_pir.position = frameEnc->m_lowres.maxBlocksInRow;
> + frameEnc->m_encData->m_pir.pirEndPelX = frameEnc->m_lowres.maxBlocksInRow - 1;
> + }
> + }
> + }
> /* Allow FrameEncoder::compressFrame() to start in the frame encoder thread */
> if (!curEncoder->startCompressFrame(frameEnc))
> m_aborted = true;
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/search.cpp
> --- a/source/encoder/search.cpp Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/search.cpp Wed Sep 09 12:50:08 2015 +0530
> @@ -1923,6 +1923,26 @@
> return costs[0] <= costs[1] ? 0 : 1;
> }
>
> +void Search::clipMvPIR(const CUData& cu, MV& outMV) const
> +{
> + const uint32_t mvshift = 2;
> + uint32_t offset = 8;
> +
> + int16_t xmax = (int16_t)((m_slice->m_sps->picWidthInLumaSamples + offset - cu.m_cuPelX - 1) << mvshift);
> + int16_t xmin = -(int16_t)((g_maxCUSize + offset + cu.m_cuPelX - 1) << mvshift);
> +
> + int16_t ymax = (int16_t)((m_slice->m_sps->picHeightInLumaSamples + offset - cu.m_cuPelY - 1) << mvshift);
> + int16_t ymin = -(int16_t)((g_maxCUSize + offset + cu.m_cuPelY - 1) << mvshift);
> +
> + int maxX = (m_slice->m_refFrameList[0][0]->m_encData->m_pir.pirEndPelX * 16 - 3) << mvshift;
> + int maxMv = maxX - 4* 16 * outMV.x;
what are these 16's for? should they be CU size or g_maxCUSize?
> + if (maxMv > 0 && cu.m_cuPelX / g_maxCUSize < m_frame->m_encData->m_pir.pirStartPelX)
> + xmax = X265_MIN(xmax, (int16_t)maxX);
> +
> + outMV.x = X265_MIN(xmax, X265_MAX(xmin, outMV.x));
> + outMV.y = X265_MIN(ymax, X265_MAX(ymin, outMV.y));
> +}
> +
> void Search::PME::processTasks(int workerThreadId)
> {
> #if DETAILED_CU_STATS
> @@ -2088,6 +2108,11 @@
> mvc[numMvc++] = lmv;
>
> setSearchRange(cu, mvp, m_param->searchRange, mvmin, mvmax);
> + if (m_param->bIntraRefresh && m_slice->m_sliceType == P_SLICE)
> + {
> + clipMvPIR(cu, mvmin);
> + clipMvPIR(cu, mvmax);
> + }
> int satdCost = m_me.motionEstimate(&slice->m_mref[list][ref], mvmin, mvmax, mvp, numMvc, mvc, m_param->searchRange, outmv);
>
> /* Get total cost of partition, but only include MV bit cost once */
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/search.h
> --- a/source/encoder/search.h Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/search.h Wed Sep 09 12:50:08 2015 +0530
> @@ -449,6 +449,7 @@
>
> /* inter/ME helper functions */
> int selectMVP(const CUData& cu, const PredictionUnit& pu, const MV amvp[AMVP_NUM_CANDS], int list, int ref);
> + void clipMvPIR(const CUData& cu, MV& outMV) const; // used only for Periodic Intra refresh
> const MV& checkBestMVP(const MV amvpCand[2], const MV& mv, int& mvpIdx, uint32_t& outBits, uint32_t& outCost) const;
> void setSearchRange(const CUData& cu, const MV& mvp, int merange, MV& mvmin, MV& mvmax) const;
> uint32_t mergeEstimation(CUData& cu, const CUGeom& cuGeom, const PredictionUnit& pu, int puIdx, MergeData& m);
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/encoder/slicetype.cpp
> --- a/source/encoder/slicetype.cpp Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/encoder/slicetype.cpp Wed Sep 09 12:50:08 2015 +0530
> @@ -774,6 +774,7 @@
> for (uint32_t cnt = 0; cnt < scale && lowresRow < heightInLowresCu; lowresRow++, cnt++)
> {
> sum = 0; intraSum = 0;
> + int diff = 0;
> lowresCuIdx = lowresRow * widthInLowresCu;
> for (lowresCol = 0; lowresCol < widthInLowresCu; lowresCol++, lowresCuIdx++)
> {
> @@ -781,14 +782,18 @@
> if (qp_offset)
> {
> lowresCuCost = (uint16_t)((lowresCuCost * x265_exp2fix8(qp_offset[lowresCuIdx]) + 128) >> 8);
> - int32_t intraCuCost = curFrame->m_lowres.intraCost[lowresCuIdx];
> + int32_t intraCuCost = curFrame->m_lowres.intraCost[lowresCuIdx];
> curFrame->m_lowres.intraCost[lowresCuIdx] = (intraCuCost * x265_exp2fix8(qp_offset[lowresCuIdx]) + 128) >> 8;
> }
> + if (m_param->bIntraRefresh && slice->m_sliceType == X265_TYPE_P)
> + for (uint32_t x = curFrame->m_encData->m_pir.pirStartPelX; x <= curFrame->m_encData->m_pir.pirEndPelX; x++)
> + diff += curFrame->m_lowres.intraCost[lowresCuIdx] - lowresCuCost;
> curFrame->m_lowres.lowresCostForRc[lowresCuIdx] = lowresCuCost;
> sum += lowresCuCost;
> intraSum += curFrame->m_lowres.intraCost[lowresCuIdx];
> }
> curFrame->m_encData->m_rowStat[row].satdForVbv += sum;
> + curFrame->m_encData->m_rowStat[row].satdForVbv += diff;
> curFrame->m_encData->m_rowStat[row].intraSatdForVbv += intraSum;
> }
> }
> @@ -900,8 +905,7 @@
> x265_log(m_param, X265_LOG_WARNING, "B-ref at frame %d incompatible with B-pyramid and %d reference frames\n",
> frm.sliceType, m_param->maxNumReferences);
> }
> -
> - if (/* (!param->intraRefresh || frm.frameNum == 0) && */ frm.frameNum - m_lastKeyframe >= m_param->keyframeMax)
> + if ((!m_param->bIntraRefresh || frm.frameNum == 0) && frm.frameNum - m_lastKeyframe >= m_param->keyframeMax)
> {
> if (frm.sliceType == X265_TYPE_AUTO || frm.sliceType == X265_TYPE_I)
> frm.sliceType = m_param->bOpenGOP && m_lastKeyframe >= 0 ? X265_TYPE_I : X265_TYPE_IDR;
> @@ -1184,7 +1188,7 @@
> frames[framecnt + 1] = NULL;
>
> keyintLimit = m_param->keyframeMax - frames[0]->frameNum + m_lastKeyframe - 1;
> - origNumFrames = numFrames = X265_MIN(framecnt, keyintLimit);
> + origNumFrames = numFrames = m_param->bIntraRefresh ? framecnt : X265_MIN(framecnt, keyintLimit);
>
> if (bIsVbvLookahead)
> numFrames = framecnt;
> @@ -1384,12 +1388,12 @@
> if (m_param->rc.cuTree)
> cuTree(frames, X265_MIN(numFrames, m_param->keyframeMax), bKeyframe);
>
> - // if (!param->bIntraRefresh)
> - for (int j = keyintLimit + 1; j <= numFrames; j += m_param->keyframeMax)
> - {
> - frames[j]->sliceType = X265_TYPE_I;
> - resetStart = X265_MIN(resetStart, j + 1);
> - }
> + if (!m_param->bIntraRefresh)
> + for (int j = keyintLimit + 1; j <= numFrames; j += m_param->keyframeMax)
> + {
> + frames[j]->sliceType = X265_TYPE_I;
> + resetStart = X265_MIN(resetStart, j + 1);
> + }
>
> if (bIsVbvLookahead)
> vbvLookahead(frames, numFrames, bKeyframe);
> @@ -1504,7 +1508,7 @@
> {
> if (m_param->keyframeMin == m_param->keyframeMax)
> threshMin = threshMax;
> - if (gopSize <= m_param->keyframeMin / 4)
> + if (gopSize <= m_param->keyframeMin / 4 || m_param->bIntraRefresh)
> bias = threshMin / 4;
> else if (gopSize <= m_param->keyframeMin)
> bias = threshMin * gopSize / m_param->keyframeMin;
> diff -r f6892dcc7f4e -r b83e67c7cc43 source/x265.h
> --- a/source/x265.h Wed Sep 09 14:52:35 2015 +0530
> +++ b/source/x265.h Wed Sep 09 12:50:08 2015 +0530
> @@ -707,6 +707,8 @@
> * big keyframe, the keyframe is "spread" over many frames. */
> int bIntraRefresh;
>
> + int bQueuedIntraRefresh;
> +
> /*== Coding Unit (CU) definitions ==*/
>
> /* Maximum CU width and height in pixels. The size must be 64, 32, or 16.
> @@ -1378,6 +1380,22 @@
> * close an encoder handler */
> void x265_encoder_close(x265_encoder *);
>
> +/* x265_encoder_intra_refresh:
> + * If an intra refresh is not in progress, begin one with the next P-frame.
> + * If an intra refresh is in progress, begin one as soon as the current one finishes.
> + * Requires bIntraRefresh to be set.
> + *
> + * Useful for interactive streaming where the client can tell the server that packet loss has
> + * occurred. In this case, keyint can be set to an extremely high value so that intra refreshes
> + * occur only when calling x265_encoder_intra_refresh.
> + *
> + * In multi-pass encoding, if x265_encoder_intra_refresh is called differently in each pass,
> + * behavior is undefined.
> + *
> + * Should not be called during an x265_encoder_encode. */
> +
> +int x265_encoder_intra_refresh(x265_encoder *);
> +
> /* x265_cleanup:
> * release library static allocations, reset configured CTU size */
> void x265_cleanup(void);
> @@ -1423,6 +1441,7 @@
> void (*encoder_log)(x265_encoder*, int, char**);
> void (*encoder_close)(x265_encoder*);
> void (*cleanup)(void);
> + int (*encoder_intra_refresh)(x265_encoder*);
>
> int sizeof_frame_stats; /* sizeof(x265_frame_stats) */
> /* add new pointers to the end, or increment X265_MAJOR_VERSION */
> _______________________________________________
> x265-devel mailing list
> x265-devel at videolan.org
> https://mailman.videolan.org/listinfo/x265-devel
--
Steve Borho
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