X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=qdc.cpp;h=0339e12af0ad07ba2616530b30bd1b2012258745;hb=5e1d27014149311318e97b8e04a6e05ec858e57c;hp=41ef04df00f95f3714e1617326fb4d4c4f5ddefa;hpb=79aa73c43af43f8f497e5920c83459f3e94d3612;p=narabu

diff --git a/qdc.cpp b/qdc.cpp
index 41ef04d..0339e12 100644
--- a/qdc.cpp
+++ b/qdc.cpp
@@ -235,22 +235,14 @@ public:
 		//printf("post-flush = %08x\n", rans);
 
 		uint32_t num_rans_bytes = out_end - ptr;
-#if 0
-		if (num_rans_bytes == 4) {
-			uint32_t block;
-			memcpy(&block, ptr, 4);
-
-			if (block == last_block) {
-				write_varint(0, codedfp);
-				clear();
-				return 1;
-			}
-
-			last_block = block;
+		if (num_rans_bytes == last_block.size() &&
+		    memcmp(last_block.data(), ptr, last_block.size()) == 0) {
+			write_varint(0, codedfp);
+			clear();
+			return 1;
 		} else {
-			last_block = 0;
+			last_block = string((const char *)ptr, num_rans_bytes);
 		}
-#endif
 
 		write_varint(num_rans_bytes, codedfp);
 		//fwrite(&num_rans_bytes, 1, 4, codedfp);
@@ -294,7 +286,7 @@ private:
 	RansEncSymbol esyms[NUM_SYMS];
 	uint32_t sign_bias;
 
-	uint32_t last_block = 0;  // Not a valid 4-byte rANS block (?)
+	std::string last_block;
 };
 
 static constexpr int dc_scalefac = 8;  // Matches the FDCT's gain.