Commit 9c9d8391 for libheif

commit 9c9d839132f8846652ecadceaa8dcf23d1ff3e4c
Author: Joachim Bauch <bauch@struktur.de>
Date:   Wed Apr 8 10:23:34 2026 +0200

    Add patch to fix building against SVT-AV1 4.1.0

diff --git a/libheif/plugins/encoder_svt.cc b/libheif/plugins/encoder_svt.cc
index 393748e9..3e614908 100644
--- a/libheif/plugins/encoder_svt.cc
+++ b/libheif/plugins/encoder_svt.cc
@@ -838,7 +838,19 @@ static heif_error svt_start_sequence_encoding_intern(void* encoder_raw, const he
     // svt_config.force_key_frames = true; TODO: this does not seem to work (see all [1])

 #if 1
-#if SVT_AV1_CHECK_VERSION(4, 0, 0)
+#if SVT_AV1_CHECK_VERSION(4, 1, 0)
+    switch (options->gop_structure) {
+      case heif_sequence_gop_structure_intra_only:
+        //svt_config.pred_structure = 1; // LOW_DELAY
+        break;
+      case heif_sequence_gop_structure_lowdelay:
+        //svt_config.pred_structure = 1; // LOW_DELAY
+        break;
+      case heif_sequence_gop_structure_unrestricted:
+        svt_config.pred_structure = PredStructure::RANDOM_ACCESS;
+        break;
+    }
+#elif SVT_AV1_CHECK_VERSION(4, 0, 0)
     switch (options->gop_structure) {
       case heif_sequence_gop_structure_intra_only:
         //svt_config.pred_structure = 1; // LOW_DELAY