From 544b59b7de490d4a24c18fc78ccd199c022000fe Mon Sep 17 00:00:00 2001
From: Marko Viitanen <fador@iki.fi>
Date: Mon, 8 Jul 2024 10:17:52 +0300
Subject: [PATCH] [api] Add new parameter "ref_wraparound" for motion vector
 wrapping

---
 src/cfg.c                     | 5 +++++
 src/cli.c                     | 2 ++
 src/encoder_state-bitstream.c | 2 +-
 src/uvg266.h                  | 3 +++
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/cfg.c b/src/cfg.c
index 5dfe3a83..5885e241 100644
--- a/src/cfg.c
+++ b/src/cfg.c
@@ -243,6 +243,9 @@ int uvg_config_init(uvg_config *cfg)
   cfg->ibc = 0;
 
   cfg->dep_quant = 0;
+
+  cfg->ref_wraparound = 0;
+
   return 1;
 }
 
@@ -1624,6 +1627,8 @@ int uvg_config_parse(uvg_config *cfg, const char *name, const char *value)
   }
   else if OPT("dep-quant") {
     cfg->dep_quant = (bool)atobool(value);
+  } else if OPT ("ref-wraparound") {
+    cfg->ref_wraparound = (bool)atobool(value);
   }
   else {
     return 0;
diff --git a/src/cli.c b/src/cli.c
index 6e66f77e..00237503 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -201,6 +201,8 @@ static const struct option long_options[] = {
   { "ibc",                required_argument, NULL, 0 },
   { "dep-quant",                no_argument, NULL, 0 },
   { "no-dep-quant",             no_argument, NULL, 0 },
+  { "ref-wraparound",           no_argument, NULL, 0 },
+  { "no-ref-wraparound",        no_argument, NULL, 0 },
   {0, 0, 0, 0}
 };
 
diff --git a/src/encoder_state-bitstream.c b/src/encoder_state-bitstream.c
index 2083e36f..59488197 100644
--- a/src/encoder_state-bitstream.c
+++ b/src/encoder_state-bitstream.c
@@ -612,7 +612,7 @@ static void encoder_state_write_bitstream_seq_parameter_set(bitstream_t* stream,
     WRITE_UE(stream, 0, "num_ref_pic_lists_in_sps[0]");
     WRITE_UE(stream, 0, "num_ref_pic_lists_in_sps[0]");
 
-    WRITE_U(stream, 0, 1, "sps_ref_wraparound_enabled_flag");
+    WRITE_U(stream, encoder->cfg.ref_wraparound, 1, "sps_ref_wraparound_enabled_flag");
 
 
 
diff --git a/src/uvg266.h b/src/uvg266.h
index c71a835a..b252bc73 100644
--- a/src/uvg266.h
+++ b/src/uvg266.h
@@ -553,6 +553,9 @@ typedef struct uvg_config
 
   uint8_t ibc; /* \brief Intra Block Copy parameter */
   uint8_t dep_quant;
+
+  uint8_t ref_wraparound; /* \brief MV reference wraparound */
+
 } uvg_config;
 
 /**