# HG changeset patch
# User Aruna Matheswaran <ar...@multicorewareinc.com>
# Date 1578656801 -19800
#      Fri Jan 10 17:16:41 2020 +0530
# Node ID 5fdecb3d4af75a9c1a788b6af8577c3bf507697e
# Parent  a28fd843b302128cff31172fe140aac19f93ce80
analysis-save/load: Validate conformance window offsets

diff -r a28fd843b302 -r 5fdecb3d4af7 source/CMakeLists.txt
--- a/source/CMakeLists.txt     Fri Jan 10 17:01:08 2020 +0530
+++ b/source/CMakeLists.txt     Fri Jan 10 17:16:41 2020 +0530
@@ -29,7 +29,7 @@
 option(STATIC_LINK_CRT "Statically link C runtime for release builds" OFF)
 mark_as_advanced(FPROFILE_USE FPROFILE_GENERATE NATIVE_BUILD)
 # X265_BUILD must be incremented each time the public API is changed
-set(X265_BUILD 187)
+set(X265_BUILD 188)
 configure_file("${PROJECT_SOURCE_DIR}/x265.def.in"
                "${PROJECT_BINARY_DIR}/x265.def")
 configure_file("${PROJECT_SOURCE_DIR}/x265_config.h.in"
diff -r a28fd843b302 -r 5fdecb3d4af7 source/common/param.cpp
--- a/source/common/param.cpp   Fri Jan 10 17:01:08 2020 +0530
+++ b/source/common/param.cpp   Fri Jan 10 17:16:41 2020 +0530
@@ -313,6 +313,10 @@
     param->log2MaxPocLsb = 8;
     param->maxSlices = 1;
 
+    /*Conformance window*/
+    param->confWinRightOffset = 0;
+    param->confWinBottomOffset = 0;
+
     param->bEmitVUITimingInfo   = 1;
     param->bEmitVUIHRDInfo      = 1;
     param->bOptQpPPS            = 0;
@@ -1783,6 +1787,8 @@
         param->bSingleSeiNal = 0;
         x265_log(param, X265_LOG_WARNING, "None of the SEI messages are 
enabled. Disabling Single SEI NAL\n");
     }
+    CHECK(param->confWinRightOffset < 0, "Conformance Window Right Offset must 
be 0 or greater");
+    CHECK(param->confWinBottomOffset < 0, "Conformance Window Bottom Offset 
must be 0 or greater");
     return check_failed;
 }
 
@@ -2197,6 +2203,7 @@
     BOOL(p->bEnableSceneCutAwareQp, "scenecut-aware-qp");
     if (p->bEnableSceneCutAwareQp)
         s += sprintf(s, " scenecut-window=%d max-qp-delta=%d", 
p->scenecutWindow, p->maxQpDelta);
+    s += sprintf(s, "conformance-window-offsets right=%d bottom=%d", 
p->confWinRightOffset, p->confWinBottomOffset);
 #undef BOOL
     return buf;
 }
@@ -2547,6 +2554,8 @@
     dst->maxQpDelta = src->maxQpDelta;
     dst->bField = src->bField;
 
+    dst->confWinRightOffset = src->confWinRightOffset;
+    dst->confWinBottomOffset = src->confWinBottomOffset;
 #ifdef SVT_HEVC
     memcpy(dst->svtHevcParam, src->svtHevcParam, 
sizeof(EB_H265_ENC_CONFIGURATION));
 #endif
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/api.cpp
--- a/source/encoder/api.cpp    Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/api.cpp    Fri Jan 10 17:16:41 2020 +0530
@@ -176,6 +176,8 @@
 
     // may change params for auto-detect, etc
     encoder->configure(param);
+    if (encoder->m_aborted)
+        goto fail;
     // may change rate control and CPB params
     if (!enforceLevel(*param, encoder->m_vps))
         goto fail;
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/encoder.cpp
--- a/source/encoder/encoder.cpp        Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/encoder.cpp        Fri Jan 10 17:16:41 2020 +0530
@@ -81,6 +81,7 @@
 #define MVTHRESHOLD (10*10)
 #define PU_2Nx2N 1
 #define MAX_CHROMA_QP_OFFSET 12
+#define CONF_OFFSET_BYTES (2 * sizeof(int))
 static const char* defaultAnalysisFileName = "x265_analysis.dat";
 
 using namespace X265_NS;
@@ -474,15 +475,6 @@
             m_aborted = true;
         }
     }
-    if (m_param->analysisLoad && m_param->bUseAnalysisFile)
-    {
-        m_analysisFileIn = x265_fopen(m_param->analysisLoad, "rb");
-        if (!m_analysisFileIn)
-        {
-            x265_log_file(NULL, X265_LOG_ERROR, "Analysis load: failed to open 
file %s\n", m_param->analysisLoad);
-            m_aborted = true;
-        }
-    }
 
     if (m_param->analysisMultiPassRefine || 
m_param->analysisMultiPassDistortion)
     {
@@ -1751,11 +1743,11 @@
         if (m_param->analysisLoad)
         {
             /* reads analysis data for the frame and allocates memory based on 
slicetype */
-            static int paramBytes = 0;
+            static int paramBytes = CONF_OFFSET_BYTES;
             if (!inFrame->m_poc && m_param->bAnalysisType != HEVC_INFO)
             {
-                x265_analysis_data analysisData = inputPic->analysisData;
-                paramBytes = validateAnalysisData(&analysisData, 0);
+                x265_analysis_validate saveParam = 
inputPic->analysisData.saveParam;
+                paramBytes += validateAnalysisData(&saveParam, 0);
                 if (paramBytes == -1)
                 {
                     m_aborted = true;
@@ -3775,20 +3767,66 @@
     m_conformanceWindow.topOffset = 0;
     m_conformanceWindow.bottomOffset = 0;
     m_conformanceWindow.leftOffset = 0;
+
+    uint32_t padsize = 0;
+    if (m_param->analysisLoad && m_param->bUseAnalysisFile)
+    {
+        m_analysisFileIn = x265_fopen(m_param->analysisLoad, "rb");
+        if (!m_analysisFileIn)
+        {
+            x265_log_file(NULL, X265_LOG_ERROR, "Analysis load: failed to open 
file %s\n", m_param->analysisLoad);
+            m_aborted = true;
+        }
+        else
+        {
+            if (fread(&m_conformanceWindow.rightOffset, sizeof(int), 1, 
m_analysisFileIn) != 1)
+            {
+                x265_log(NULL, X265_LOG_ERROR, "Error reading analysis data. 
Conformance window right offset missing\n");
+                m_aborted = true;
+            }
+            else if (m_conformanceWindow.rightOffset)
+            {
+                padsize = m_conformanceWindow.rightOffset * 2;
+                p->sourceWidth += padsize;
+                m_conformanceWindow.bEnabled = true;
+                m_conformanceWindow.rightOffset = padsize;
+            }
+
+            if (fread(&m_conformanceWindow.bottomOffset, sizeof(int), 1, 
m_analysisFileIn) != 1)
+            {
+                x265_log(NULL, X265_LOG_ERROR, "Error reading analysis data. 
Conformance window bottom offset missing\n");
+                m_aborted = true;
+            }
+            else if (m_conformanceWindow.bottomOffset)
+            {
+                padsize = m_conformanceWindow.bottomOffset * 2;
+                p->sourceHeight += padsize;
+                m_conformanceWindow.bEnabled = true;
+                m_conformanceWindow.bottomOffset = padsize;
+            }
+        }
+    }
+
     /* set pad size if width is not multiple of the minimum CU size */
-    if (p->scaleFactor == 2 && ((p->sourceWidth / 2) & (p->minCUSize - 1)) && 
p->analysisLoad)
-    {
-        uint32_t rem = (p->sourceWidth / 2) & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
-        p->sourceWidth += padsize * 2;
-
-        m_conformanceWindow.bEnabled = true;
-        m_conformanceWindow.rightOffset = padsize * 2;
-    }
-    else if(p->sourceWidth & (p->minCUSize - 1))
+    if (p->confWinRightOffset)
+    {
+        if ((p->sourceWidth + p->confWinRightOffset) & (p->minCUSize - 1))
+        {
+            x265_log(p, X265_LOG_ERROR, "Incompatible conformance window right 
offset."
+                                          " This when added to the source 
width should be a multiple of minCUSize\n");
+            m_aborted = true;
+        }
+        else
+        {
+            p->sourceWidth += p->confWinRightOffset;
+            m_conformanceWindow.bEnabled = true;
+            m_conformanceWindow.rightOffset = p->confWinRightOffset;
+        }
+    }
+    else if (p->sourceWidth & (p->minCUSize - 1))
     {
         uint32_t rem = p->sourceWidth & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
+        padsize = p->minCUSize - rem;
         p->sourceWidth += padsize;
 
         m_conformanceWindow.bEnabled = true;
@@ -3989,18 +4027,25 @@
         }
     }
     /* set pad size if height is not multiple of the minimum CU size */
-    if (p->scaleFactor == 2 && ((p->sourceHeight / 2) & (p->minCUSize - 1)) && 
p->analysisLoad)
-    {
-        uint32_t rem = (p->sourceHeight / 2) & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
-        p->sourceHeight += padsize * 2;
-        m_conformanceWindow.bEnabled = true;
-        m_conformanceWindow.bottomOffset = padsize * 2;
+    if (p->confWinBottomOffset)
+    {
+        if ((p->sourceHeight + p->confWinBottomOffset) & (p->minCUSize - 1))
+        {
+            x265_log(p, X265_LOG_ERROR, "Incompatible conformance window 
bottom offset."
+                " This when added to the source height should be a multiple of 
minCUSize\n");
+            m_aborted = true;
+        }
+        else
+        {
+            p->sourceHeight += p->confWinBottomOffset;
+            m_conformanceWindow.bEnabled = true;
+            m_conformanceWindow.bottomOffset = p->confWinBottomOffset;
+        }
     }
     else if(p->sourceHeight & (p->minCUSize - 1))
     {
         uint32_t rem = p->sourceHeight & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
+        padsize = p->minCUSize - rem;
         p->sourceHeight += padsize;
         m_conformanceWindow.bEnabled = true;
         m_conformanceWindow.bottomOffset = padsize;
@@ -4835,7 +4880,7 @@
 }
 
 
-int Encoder::validateAnalysisData(x265_analysis_data* analysis, int writeFlag)
+int Encoder::validateAnalysisData(x265_analysis_validate* saveParam, int 
writeFlag)
 {
 #define X265_PARAM_VALIDATE(analysisParam, size, bytes, param, errorMsg)\
     if(!writeFlag)\
@@ -4876,11 +4921,16 @@
     }\
     count++;
 
-    x265_analysis_validate *saveParam = &analysis->saveParam;
     FILE*     fileOffset = NULL;
     int       readValue = 0;
     int       count = 0;
 
+    if (m_param->bUseAnalysisFile && writeFlag)
+    {
+        X265_PARAM_VALIDATE(saveParam->rightOffset, sizeof(int), 1, 
&m_conformanceWindow.rightOffset, right-offset);
+        X265_PARAM_VALIDATE(saveParam->bottomOffset, sizeof(int), 1, 
&m_conformanceWindow.bottomOffset, bottom-offset);
+    }
+
     X265_PARAM_VALIDATE(saveParam->intraRefresh, sizeof(int), 1, 
&m_param->bIntraRefresh, intra-refresh);
     X265_PARAM_VALIDATE(saveParam->maxNumReferences, sizeof(int), 1, 
&m_param->maxNumReferences, ref);
     X265_PARAM_VALIDATE(saveParam->keyframeMax, sizeof(int), 1, 
&m_param->keyframeMax, keyint);
@@ -5235,7 +5285,7 @@
 
     if (!analysis->poc)
     {
-        if (validateAnalysisData(analysis, 1) == -1)
+        if (validateAnalysisData(&analysis->saveParam, 1) == -1)
         {
             m_aborted = true;
             return;
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/encoder.h
--- a/source/encoder/encoder.h  Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/encoder.h  Fri Jan 10 17:16:41 2020 +0530
@@ -358,7 +358,7 @@
 
     void finishFrameStats(Frame* pic, FrameEncoder *curEncoder, 
x265_frame_stats* frameStats, int inPoc);
 
-    int validateAnalysisData(x265_analysis_data* analysis, int readWriteFlag);
+    int validateAnalysisData(x265_analysis_validate* param, int readWriteFlag);
 
     void readUserSeiFile(x265_sei_payload& seiMsg, int poc);
 
diff -r a28fd843b302 -r 5fdecb3d4af7 source/x265.h
--- a/source/x265.h     Fri Jan 10 17:01:08 2020 +0530
+++ b/source/x265.h     Fri Jan 10 17:16:41 2020 +0530
@@ -132,6 +132,8 @@
     int     chunkEnd;
     int     cuTree;
     int     ctuDistortionRefine;
+    int     rightOffset;
+    int     bottomOffset;
 }x265_analysis_validate;
 
 /* Stores intra analysis data for a single frame. This struct needs better 
packing */
@@ -1877,6 +1879,28 @@
     * analysis information reused in analysis-load. Higher the refine level 
higher
     * the information reused. Default is 5 */
     int       analysisLoadReuseLevel;
+
+    /* Conformance window right offset specifies the padding offset to the
+    * right side of the internal copy of the input pictures in the library.
+    * The decoded picture will be cropped based on conformance window right 
offset
+    * signaled in the SPS before output. Default is 0.
+    * Recommended to set this during non-file based analysis-load to inform
+    * it about the conformace window right offset to be added to match the 
+    * number of CUs across the width for which analysis info is available
+    * from the corresponding analysis-save. */
+
+    int       confWinRightOffset;
+
+    /* Conformance window bottom offset specifies the padding offset to the
+    * bottom side of the internal copy of the input pictures in the library.
+    * The decoded picture will be cropped based on conformance window bottom 
offset
+    * signaled in the SPS before output. Default is 0. 
+    * Recommended to set this during non-file based analysis-load to inform
+    * it about the conformace window bottom offset to be added to match the
+    * number of CUs across the height for which analysis info is available
+    * from the corresponding analysis-save. */
+
+    int      confWinBottomOffset;
 } x265_param;
 
 /* x265_param_alloc:
# HG changeset patch
# User Aruna Matheswaran <ar...@multicorewareinc.com>
# Date 1578656801 -19800
#      Fri Jan 10 17:16:41 2020 +0530
# Node ID 5fdecb3d4af75a9c1a788b6af8577c3bf507697e
# Parent  a28fd843b302128cff31172fe140aac19f93ce80
analysis-save/load: Validate conformance window offsets

diff -r a28fd843b302 -r 5fdecb3d4af7 source/CMakeLists.txt
--- a/source/CMakeLists.txt	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/CMakeLists.txt	Fri Jan 10 17:16:41 2020 +0530
@@ -29,7 +29,7 @@
 option(STATIC_LINK_CRT "Statically link C runtime for release builds" OFF)
 mark_as_advanced(FPROFILE_USE FPROFILE_GENERATE NATIVE_BUILD)
 # X265_BUILD must be incremented each time the public API is changed
-set(X265_BUILD 187)
+set(X265_BUILD 188)
 configure_file("${PROJECT_SOURCE_DIR}/x265.def.in"
                "${PROJECT_BINARY_DIR}/x265.def")
 configure_file("${PROJECT_SOURCE_DIR}/x265_config.h.in"
diff -r a28fd843b302 -r 5fdecb3d4af7 source/common/param.cpp
--- a/source/common/param.cpp	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/common/param.cpp	Fri Jan 10 17:16:41 2020 +0530
@@ -313,6 +313,10 @@
     param->log2MaxPocLsb = 8;
     param->maxSlices = 1;
 
+    /*Conformance window*/
+    param->confWinRightOffset = 0;
+    param->confWinBottomOffset = 0;
+
     param->bEmitVUITimingInfo   = 1;
     param->bEmitVUIHRDInfo      = 1;
     param->bOptQpPPS            = 0;
@@ -1783,6 +1787,8 @@
         param->bSingleSeiNal = 0;
         x265_log(param, X265_LOG_WARNING, "None of the SEI messages are enabled. Disabling Single SEI NAL\n");
     }
+    CHECK(param->confWinRightOffset < 0, "Conformance Window Right Offset must be 0 or greater");
+    CHECK(param->confWinBottomOffset < 0, "Conformance Window Bottom Offset must be 0 or greater");
     return check_failed;
 }
 
@@ -2197,6 +2203,7 @@
     BOOL(p->bEnableSceneCutAwareQp, "scenecut-aware-qp");
     if (p->bEnableSceneCutAwareQp)
         s += sprintf(s, " scenecut-window=%d max-qp-delta=%d", p->scenecutWindow, p->maxQpDelta);
+    s += sprintf(s, "conformance-window-offsets right=%d bottom=%d", p->confWinRightOffset, p->confWinBottomOffset);
 #undef BOOL
     return buf;
 }
@@ -2547,6 +2554,8 @@
     dst->maxQpDelta = src->maxQpDelta;
     dst->bField = src->bField;
 
+    dst->confWinRightOffset = src->confWinRightOffset;
+    dst->confWinBottomOffset = src->confWinBottomOffset;
 #ifdef SVT_HEVC
     memcpy(dst->svtHevcParam, src->svtHevcParam, sizeof(EB_H265_ENC_CONFIGURATION));
 #endif
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/api.cpp
--- a/source/encoder/api.cpp	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/api.cpp	Fri Jan 10 17:16:41 2020 +0530
@@ -176,6 +176,8 @@
 
     // may change params for auto-detect, etc
     encoder->configure(param);
+    if (encoder->m_aborted)
+        goto fail;
     // may change rate control and CPB params
     if (!enforceLevel(*param, encoder->m_vps))
         goto fail;
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/encoder.cpp
--- a/source/encoder/encoder.cpp	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/encoder.cpp	Fri Jan 10 17:16:41 2020 +0530
@@ -81,6 +81,7 @@
 #define MVTHRESHOLD (10*10)
 #define PU_2Nx2N 1
 #define MAX_CHROMA_QP_OFFSET 12
+#define CONF_OFFSET_BYTES (2 * sizeof(int))
 static const char* defaultAnalysisFileName = "x265_analysis.dat";
 
 using namespace X265_NS;
@@ -474,15 +475,6 @@
             m_aborted = true;
         }
     }
-    if (m_param->analysisLoad && m_param->bUseAnalysisFile)
-    {
-        m_analysisFileIn = x265_fopen(m_param->analysisLoad, "rb");
-        if (!m_analysisFileIn)
-        {
-            x265_log_file(NULL, X265_LOG_ERROR, "Analysis load: failed to open file %s\n", m_param->analysisLoad);
-            m_aborted = true;
-        }
-    }
 
     if (m_param->analysisMultiPassRefine || m_param->analysisMultiPassDistortion)
     {
@@ -1751,11 +1743,11 @@
         if (m_param->analysisLoad)
         {
             /* reads analysis data for the frame and allocates memory based on slicetype */
-            static int paramBytes = 0;
+            static int paramBytes = CONF_OFFSET_BYTES;
             if (!inFrame->m_poc && m_param->bAnalysisType != HEVC_INFO)
             {
-                x265_analysis_data analysisData = inputPic->analysisData;
-                paramBytes = validateAnalysisData(&analysisData, 0);
+                x265_analysis_validate saveParam = inputPic->analysisData.saveParam;
+                paramBytes += validateAnalysisData(&saveParam, 0);
                 if (paramBytes == -1)
                 {
                     m_aborted = true;
@@ -3775,20 +3767,66 @@
     m_conformanceWindow.topOffset = 0;
     m_conformanceWindow.bottomOffset = 0;
     m_conformanceWindow.leftOffset = 0;
+
+    uint32_t padsize = 0;
+    if (m_param->analysisLoad && m_param->bUseAnalysisFile)
+    {
+        m_analysisFileIn = x265_fopen(m_param->analysisLoad, "rb");
+        if (!m_analysisFileIn)
+        {
+            x265_log_file(NULL, X265_LOG_ERROR, "Analysis load: failed to open file %s\n", m_param->analysisLoad);
+            m_aborted = true;
+        }
+        else
+        {
+            if (fread(&m_conformanceWindow.rightOffset, sizeof(int), 1, m_analysisFileIn) != 1)
+            {
+                x265_log(NULL, X265_LOG_ERROR, "Error reading analysis data. Conformance window right offset missing\n");
+                m_aborted = true;
+            }
+            else if (m_conformanceWindow.rightOffset)
+            {
+                padsize = m_conformanceWindow.rightOffset * 2;
+                p->sourceWidth += padsize;
+                m_conformanceWindow.bEnabled = true;
+                m_conformanceWindow.rightOffset = padsize;
+            }
+
+            if (fread(&m_conformanceWindow.bottomOffset, sizeof(int), 1, m_analysisFileIn) != 1)
+            {
+                x265_log(NULL, X265_LOG_ERROR, "Error reading analysis data. Conformance window bottom offset missing\n");
+                m_aborted = true;
+            }
+            else if (m_conformanceWindow.bottomOffset)
+            {
+                padsize = m_conformanceWindow.bottomOffset * 2;
+                p->sourceHeight += padsize;
+                m_conformanceWindow.bEnabled = true;
+                m_conformanceWindow.bottomOffset = padsize;
+            }
+        }
+    }
+
     /* set pad size if width is not multiple of the minimum CU size */
-    if (p->scaleFactor == 2 && ((p->sourceWidth / 2) & (p->minCUSize - 1)) && p->analysisLoad)
-    {
-        uint32_t rem = (p->sourceWidth / 2) & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
-        p->sourceWidth += padsize * 2;
-
-        m_conformanceWindow.bEnabled = true;
-        m_conformanceWindow.rightOffset = padsize * 2;
-    }
-    else if(p->sourceWidth & (p->minCUSize - 1))
+    if (p->confWinRightOffset)
+    {
+        if ((p->sourceWidth + p->confWinRightOffset) & (p->minCUSize - 1))
+        {
+            x265_log(p, X265_LOG_ERROR, "Incompatible conformance window right offset."
+                                          " This when added to the source width should be a multiple of minCUSize\n");
+            m_aborted = true;
+        }
+        else
+        {
+            p->sourceWidth += p->confWinRightOffset;
+            m_conformanceWindow.bEnabled = true;
+            m_conformanceWindow.rightOffset = p->confWinRightOffset;
+        }
+    }
+    else if (p->sourceWidth & (p->minCUSize - 1))
     {
         uint32_t rem = p->sourceWidth & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
+        padsize = p->minCUSize - rem;
         p->sourceWidth += padsize;
 
         m_conformanceWindow.bEnabled = true;
@@ -3989,18 +4027,25 @@
         }
     }
     /* set pad size if height is not multiple of the minimum CU size */
-    if (p->scaleFactor == 2 && ((p->sourceHeight / 2) & (p->minCUSize - 1)) && p->analysisLoad)
-    {
-        uint32_t rem = (p->sourceHeight / 2) & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
-        p->sourceHeight += padsize * 2;
-        m_conformanceWindow.bEnabled = true;
-        m_conformanceWindow.bottomOffset = padsize * 2;
+    if (p->confWinBottomOffset)
+    {
+        if ((p->sourceHeight + p->confWinBottomOffset) & (p->minCUSize - 1))
+        {
+            x265_log(p, X265_LOG_ERROR, "Incompatible conformance window bottom offset."
+                " This when added to the source height should be a multiple of minCUSize\n");
+            m_aborted = true;
+        }
+        else
+        {
+            p->sourceHeight += p->confWinBottomOffset;
+            m_conformanceWindow.bEnabled = true;
+            m_conformanceWindow.bottomOffset = p->confWinBottomOffset;
+        }
     }
     else if(p->sourceHeight & (p->minCUSize - 1))
     {
         uint32_t rem = p->sourceHeight & (p->minCUSize - 1);
-        uint32_t padsize = p->minCUSize - rem;
+        padsize = p->minCUSize - rem;
         p->sourceHeight += padsize;
         m_conformanceWindow.bEnabled = true;
         m_conformanceWindow.bottomOffset = padsize;
@@ -4835,7 +4880,7 @@
 }
 
 
-int Encoder::validateAnalysisData(x265_analysis_data* analysis, int writeFlag)
+int Encoder::validateAnalysisData(x265_analysis_validate* saveParam, int writeFlag)
 {
 #define X265_PARAM_VALIDATE(analysisParam, size, bytes, param, errorMsg)\
     if(!writeFlag)\
@@ -4876,11 +4921,16 @@
     }\
     count++;
 
-    x265_analysis_validate *saveParam = &analysis->saveParam;
     FILE*     fileOffset = NULL;
     int       readValue = 0;
     int       count = 0;
 
+    if (m_param->bUseAnalysisFile && writeFlag)
+    {
+        X265_PARAM_VALIDATE(saveParam->rightOffset, sizeof(int), 1, &m_conformanceWindow.rightOffset, right-offset);
+        X265_PARAM_VALIDATE(saveParam->bottomOffset, sizeof(int), 1, &m_conformanceWindow.bottomOffset, bottom-offset);
+    }
+
     X265_PARAM_VALIDATE(saveParam->intraRefresh, sizeof(int), 1, &m_param->bIntraRefresh, intra-refresh);
     X265_PARAM_VALIDATE(saveParam->maxNumReferences, sizeof(int), 1, &m_param->maxNumReferences, ref);
     X265_PARAM_VALIDATE(saveParam->keyframeMax, sizeof(int), 1, &m_param->keyframeMax, keyint);
@@ -5235,7 +5285,7 @@
 
     if (!analysis->poc)
     {
-        if (validateAnalysisData(analysis, 1) == -1)
+        if (validateAnalysisData(&analysis->saveParam, 1) == -1)
         {
             m_aborted = true;
             return;
diff -r a28fd843b302 -r 5fdecb3d4af7 source/encoder/encoder.h
--- a/source/encoder/encoder.h	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/encoder/encoder.h	Fri Jan 10 17:16:41 2020 +0530
@@ -358,7 +358,7 @@
 
     void finishFrameStats(Frame* pic, FrameEncoder *curEncoder, x265_frame_stats* frameStats, int inPoc);
 
-    int validateAnalysisData(x265_analysis_data* analysis, int readWriteFlag);
+    int validateAnalysisData(x265_analysis_validate* param, int readWriteFlag);
 
     void readUserSeiFile(x265_sei_payload& seiMsg, int poc);
 
diff -r a28fd843b302 -r 5fdecb3d4af7 source/x265.h
--- a/source/x265.h	Fri Jan 10 17:01:08 2020 +0530
+++ b/source/x265.h	Fri Jan 10 17:16:41 2020 +0530
@@ -132,6 +132,8 @@
     int     chunkEnd;
     int     cuTree;
     int     ctuDistortionRefine;
+    int     rightOffset;
+    int     bottomOffset;
 }x265_analysis_validate;
 
 /* Stores intra analysis data for a single frame. This struct needs better packing */
@@ -1877,6 +1879,28 @@
     * analysis information reused in analysis-load. Higher the refine level higher
     * the information reused. Default is 5 */
     int       analysisLoadReuseLevel;
+
+    /* Conformance window right offset specifies the padding offset to the
+    * right side of the internal copy of the input pictures in the library.
+    * The decoded picture will be cropped based on conformance window right offset
+    * signaled in the SPS before output. Default is 0.
+    * Recommended to set this during non-file based analysis-load to inform
+    * it about the conformace window right offset to be added to match the 
+    * number of CUs across the width for which analysis info is available
+    * from the corresponding analysis-save. */
+
+    int       confWinRightOffset;
+
+    /* Conformance window bottom offset specifies the padding offset to the
+    * bottom side of the internal copy of the input pictures in the library.
+    * The decoded picture will be cropped based on conformance window bottom offset
+    * signaled in the SPS before output. Default is 0. 
+    * Recommended to set this during non-file based analysis-load to inform
+    * it about the conformace window bottom offset to be added to match the
+    * number of CUs across the height for which analysis info is available
+    * from the corresponding analysis-save. */
+
+    int      confWinBottomOffset;
 } x265_param;
 
 /* x265_param_alloc:
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