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>From b7eb56503d80fc77610e1a88a3f69423e737267a Mon Sep 17 00:00:00 2001</div>
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From: AnusuyaKumarasamy <anusuya.kumarasamy@multicorewareinc.com></div>
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Date: Sun, 28 Sep 2025 20:59:31 +0530</div>
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Subject: [PATCH] Relaxing frame-thread constraint in mcstf</div>
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---</div>
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source/common/param.cpp | 5 -----</div>
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source/encoder/encoder.cpp | 2 +-</div>
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2 files changed, 1 insertion(+), 6 deletions(-)</div>
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diff --git a/source/common/param.cpp b/source/common/param.cpp</div>
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index c06862b9e..e22f51a76 100755</div>
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--- a/source/common/param.cpp</div>
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+++ b/source/common/param.cpp</div>
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@@ -1978,11 +1978,6 @@ int x265_check_params(x265_param* param)</div>
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param->bSingleSeiNal = 0;</div>
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x265_log(param, X265_LOG_WARNING, "None of the SEI messages are enabled. Disabling Single SEI NAL\n");</div>
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}</div>
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- if (param->bEnableTemporalFilter && (param->frameNumThreads != 1))</div>
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- {</div>
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- param->bEnableTemporalFilter = 0;</div>
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- x265_log(param, X265_LOG_WARNING, "MCSTF can be enabled with frame thread = 1 only. Disabling MCSTF\n");</div>
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- }</div>
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CHECK(param->confWinRightOffset < 0, "Conformance Window Right Offset must be 0 or greater");</div>
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CHECK(param->confWinBottomOffset < 0, "Conformance Window Bottom Offset must be 0 or greater");</div>
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CHECK(param->decoderVbvMaxRate < 0, "Invalid Decoder Vbv Maxrate. Value can not be less than zero");</div>
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diff --git a/source/encoder/encoder.cpp b/source/encoder/encoder.cpp</div>
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index 44a09baf3..7b919d263 100644</div>
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--- a/source/encoder/encoder.cpp</div>
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+++ b/source/encoder/encoder.cpp</div>
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@@ -1831,7 +1831,7 @@ int Encoder::encode(const x265_picture* pic_in, x265_picture* pic_out)</div>
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if (!m_pocLast)</div>
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{</div>
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/*One shot allocation of frames in OriginalPictureBuffer*/</div>
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- int numFramesinOPB = X265_MAX(m_param->bframes, (inFrame[0]->m_mcstf->m_range << 1)) + 1;</div>
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+ int numFramesinOPB = X265_MAX(m_param->bframes, m_param->frameNumThreads) + 2;</div>
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for (int i = 0; i < numFramesinOPB; i++)</div>
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{</div>
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Frame* dupFrame = new Frame;</div>
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-- </div>
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2.45.2</div>
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