From e802b6a08a6243aefcecfe6b6c6a9385d7b8d4a962c380326094cee132c0228d Mon Sep 17 00:00:00 2001
From: copecone <controld3785@gmail.com>
Date: Tue, 13 Oct 2026 15:43:29 +0900
Subject: [PATCH] Fix Odd Resolution Video Background Decoding

---
 Util/FFmpeg/FFmpegNativeDecoder.cs | 6 +++---
 Util/VideoBGPlayer.cs              | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Util/FFmpeg/FFmpegNativeDecoder.cs b/Util/FFmpeg/FFmpegNativeDecoder.cs
index e9adc68..0e67974 100644
--- a/Util/FFmpeg/FFmpegNativeDecoder.cs
+++ b/Util/FFmpeg/FFmpegNativeDecoder.cs
@@ -1125,7 +1125,7 @@ internal sealed unsafe class FFmpegNativeDecoder : IDisposable
     /// </summary>
     /// <param name="yBuffer">Pointer to destination buffer for Y plane (Width * Height bytes).</param>
     /// <param name="yStride">Row stride in bytes for Y plane.</param>
-    /// <param name="uvBuffer">Pointer to destination buffer for interleaved UV plane (Width * (Height / 2) bytes).</param>
+    /// <param name="uvBuffer">Pointer to destination buffer for interleaved UV plane (((Width + 1) / 2) * 2 * ((Height + 1) / 2) bytes).</param>
     /// <param name="uvStride">Row stride in bytes for UV plane.</param>
     /// <param name="timestamp">Timestamp of the output frame in seconds.</param>
     /// <returns>True if a frame was successfully retrieved; false on EOF.</returns>
@@ -1178,7 +1178,7 @@ internal sealed unsafe class FFmpegNativeDecoder : IDisposable
                 int w = Width;
                 int h = Height;
                 int uvH = (h + 1) / 2;
-                int uvRowBytes = (w / 2) * 2;
+                int uvRowBytes = ((w + 1) / 2) * 2;
 
                 // Copy Y plane (row by row to safely skip linesize GPU padding)
                 for (int y = 0; y < h; y++)
@@ -1239,7 +1239,7 @@ internal sealed unsafe class FFmpegNativeDecoder : IDisposable
         int w = Width;
         int h = Height;
         int uvH = (h + 1) / 2;
-        int uvRowBytes = (w / 2) * 2;
+        int uvRowBytes = ((w + 1) / 2) * 2;
 
         if (yBuffer.Length < (long)w * h || uvBuffer.Length < (long)uvRowBytes * uvH)
         {
diff --git a/Util/VideoBGPlayer.cs b/Util/VideoBGPlayer.cs
index def447a..b9ac9d1 100644
--- a/Util/VideoBGPlayer.cs
+++ b/Util/VideoBGPlayer.cs
@@ -97,7 +97,7 @@ internal class VideoBGPlayer : MonoBehaviour
                             _kernelIndex = _computeShader.FindKernel("CSMain_NV12ToRGBA");
                             
                             _textureY = new Texture2D(w, h, TextureFormat.R8, false);
-                            _textureUV = new Texture2D(w / 2, h / 2, TextureFormat.RG16, false);
+                            _textureUV = new Texture2D((w + 1) / 2, (h + 1) / 2, TextureFormat.RG16, false);
                             ConfigureTexture(_textureY);
                             ConfigureTexture(_textureUV);
 
@@ -118,8 +118,8 @@ internal class VideoBGPlayer : MonoBehaviour
                             _kernelIndex = _computeShader.FindKernel("CSMain_YUV420PToRGBA");
                             
                             _textureY = new Texture2D(w, h, TextureFormat.R8, false);
-                            _textureU = new Texture2D(w / 2, h / 2, TextureFormat.R8, false);
-                            _textureV = new Texture2D(w / 2, h / 2, TextureFormat.R8, false);
+                            _textureU = new Texture2D((w + 1) / 2, (h + 1) / 2, TextureFormat.R8, false);
+                            _textureV = new Texture2D((w + 1) / 2, (h + 1) / 2, TextureFormat.R8, false);
                             ConfigureTexture(_textureY);
                             ConfigureTexture(_textureU);
                             ConfigureTexture(_textureV);