Warning fixes. Don't clamp readsize to reported file size.

Core/HLE/AtracCtx.h

@@ -258,7 +258,7 @@ public:
 
 	u8 *BufferStart();
 
-	AtracStatus BufferState() const {
+	AtracStatus BufferState() const override {
 		return bufferState_;
 	}
 

Core/HLE/AtracCtx2.cpp

@@ -131,7 +131,7 @@ int Atrac2::RemainingFrames() const {
 
 	// Handle the easy cases first.
 	switch (info.state) {
-	case 0:
+	case ATRAC_STATUS_UNINITIALIZED:
 	case ATRAC_STATUS_NO_DATA:
 		return 0;
 	case ATRAC_STATUS_ALL_DATA_LOADED:
@@ -838,9 +838,7 @@ int Atrac2::SetData(const Track &track, u32 bufferAddr, u32 readSize, u32 buffer
 	context_->codec.inBuf = bufferAddr;
 
 	if (readSize > track.fileSize) {
-		// This is seen in Tekken 6.
-		WARN_LOG(Log::ME, "readSize %d > track_.fileSize", readSize, track.fileSize);
-		readSize = track.fileSize;
+		INFO_LOG(Log::ME, "readSize (%d) > track_.fileSize (%d)", readSize, track.fileSize);
 	}
 
 	if (bufferSize >= track.fileSize) {

Core/HLE/AtracCtx2.h

@@ -12,7 +12,7 @@ public:
 		delete[] decodeTemp_;
 	}
 
-	AtracStatus BufferState() const {
+	AtracStatus BufferState() const override {
 		return context_->info.state;
 	}
 

Core/HLE/sceAtrac.h

@@ -34,6 +34,8 @@ constexpr u32 ATRAC3PLUS_MAX_SAMPLES = 0x800;   // 2048
 
 // The "state" member of SceAtracIdInfo.
 enum AtracStatus : u8 {
+	ATRAC_STATUS_UNINITIALIZED = 0,  // bad state
+
 	ATRAC_STATUS_NO_DATA = 1,
 
 	// The entire file is loaded into memory, no further file access needed.

Core/HW/Atrac3Standalone.cpp

@@ -166,7 +166,6 @@ private:
 	int channels_ = 0;
 	int blockAlign_ = 0;
 
-	int srcPos_ = 0;
 	float *buffers_[2]{};
 
 	bool codecOpen_ = false;