From d0418793c134fe943098f5f0700ae87fcd4c8557 Mon Sep 17 00:00:00 2001
From: ashok2013 <ashok@multicorewareinc.com>
Date: Tue, 4 Aug 2026 15:24:26 +0530
Subject: [PATCH] Foveated encode fix

---
 source/abrEncApp.cpp | 23 +++++++++++++++++++----
 source/x265cli.cpp   |  2 +-
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/source/abrEncApp.cpp b/source/abrEncApp.cpp
index e45d9e34f..d9b2cedec 100644
--- a/source/abrEncApp.cpp
+++ b/source/abrEncApp.cpp
@@ -883,13 +883,28 @@ namespace X265_NS {
 
                     if (m_foveaGazeFileFP)
                     {
-                        /* Try to read gaze for this frame; reuse previous on failure */
+                        /* Try to read gaze for this frame; reuse previous on failure.
+                         * The frame number lets the gaze track resynchronize with the
+                         * video (e.g. after --seek, or if the track has gaps): entries
+                         * behind the current frame are stale and dropped, and an entry
+                         * for a future frame is pushed back until its frame arrives. */
                         int frameNum;
                         float fx, fy;
-                        if (fscanf(m_foveaGazeFileFP, "%d %f %f", &frameNum, &fx, &fy) == 3)
+                        int curFrame = (int)(m_cliopt.seek + inFrameCount) - 1;
+                        long linePos;
+                        while ((linePos = ftell(m_foveaGazeFileFP)),
+                               fscanf(m_foveaGazeFileFP, "%d %f %f", &frameNum, &fx, &fy) == 3)
                         {
-                            gazeX = fx;
-                            gazeY = fy;
+                            if (frameNum < curFrame)
+                                continue;
+                            if (frameNum > curFrame)
+                                fseek(m_foveaGazeFileFP, linePos, SEEK_SET);
+                            else
+                            {
+                                gazeX = fx;
+                                gazeY = fy;
+                            }
+                            break;
                         }
                     }
                     else
diff --git a/source/x265cli.cpp b/source/x265cli.cpp
index 992333afb..b8d314332 100755
--- a/source/x265cli.cpp
+++ b/source/x265cli.cpp
@@ -489,7 +489,7 @@ namespace X265_NS {
             output->release();
         output = NULL;
 
-        if (param->foveaGazeFile)
+        if (param && param->foveaGazeFile)
             free(param->foveaGazeFile);
 
         if (param && api)