From 86903c93aa86051cac41329165762102ca334f5e Mon Sep 17 00:00:00 2001
From: SummerTail <1525249038@noreply.localhost>
Date: Sun, 14 Apr 2024 14:40:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=9B=BE=E5=83=8F=E6=A0=A1?=
 =?UTF-8?q?=E9=AA=8C?=
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---
 avs2bdnxml.c | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/avs2bdnxml.c b/avs2bdnxml.c
index 178fc35..2122f09 100644
--- a/avs2bdnxml.c
+++ b/avs2bdnxml.c
@@ -160,6 +160,7 @@
 #include "sup.h"
 #include "ass.h"
 #include "abstract_lists.h"
+#include <emmintrin.h> // 包含SSE指令集的头文件
 
 /* AVIS input code taken from muxers.c from the x264 project (GPLv2 or later).
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
@@ -545,10 +546,33 @@ int detect_sse2 ()
 
 int is_identical (stream_info_t *s_info, char *img, char *img_old)
 {
-	if (detect_sse2())
-		return asm_is_identical_sse2(s_info, img, img_old);
-	else
-		return is_identical_c(s_info, img, img_old);
+
+    // 按128位加载两个图像数据
+    __m128i* ptr1 = (__m128i*)img1;
+    __m128i* ptr2 = (__m128i*)img2;
+    
+    // 计算比较的次数（以128位为单位）
+    int num_iterations = size / 16;
+
+    // 逐一比较图像数据，使用SSE指令进行并行比较
+    for (int i = 0; i < num_iterations; ++i) {
+        __m128i xmm1 = _mm_load_si128(ptr1 + i); // 加载128位数据
+        __m128i xmm2 = _mm_load_si128(ptr2 + i); // 加载128位数据
+        
+        // 比较两个128位数据是否相等
+        __m128i cmp_result = _mm_cmpeq_epi8(xmm1, xmm2);
+        
+        // 判断比较结果是否全为1
+        int result_mask = _mm_movemask_epi8(cmp_result);
+        
+        // 如果存在不相等的元素，返回0
+        if (result_mask != 0xFFFF) {
+            return 0;
+        }
+    }
+
+    // 如果所有元素都相等，返回1
+    return 1;
 }
 
 int is_empty (stream_info_t *s_info, char *img)