diff --git a/.gitignore b/.gitignore
index 6f31401..6b6cae9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 build/
 .vscode/
+bin/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 34aaa99..f049507 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,6 +9,7 @@ endif()
 include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include")
 
 set(DETOURS_LIB "${CMAKE_CURRENT_SOURCE_DIR}/lib/detours.lib")
+set(PLAYER_LIB "${CMAKE_CURRENT_SOURCE_DIR}/lib/player.lib")
 
 set(ENABLE_ICONV OFF CACHE BOOL "Libiconv is not needed.")
 add_subdirectory(utils)
@@ -39,6 +40,7 @@ add_subdirectory("libzip")
 
 add_library(jewena_patch SHARED dllmain.cpp config.hpp config.cpp vfs.hpp vfs.cpp string_replace_file.hpp string_replace_file.cpp)
 target_link_libraries(jewena_patch "${DETOURS_LIB}")
+target_link_libraries(jewena_patch "${PLAYER_LIB}")
 target_link_libraries(jewena_patch utils)
 target_link_libraries(jewena_patch zip)
 
diff --git a/config.cpp b/config.cpp
index fc84d6b..809d099 100644
--- a/config.cpp
+++ b/config.cpp
@@ -2,6 +2,8 @@
 #include "fileop.h"
 #include "file_reader.h"
 #include "malloc.h"
+#include "str_util.h"
+#include "player.h"
 
 #include <fcntl.h>
 #if _WIN32
@@ -46,3 +48,38 @@ bool Config::Load(std::string path) {
     fileop::fclose(f);
     return true;
 }
+
+bool Config::IsAppendLogging() {
+    auto re = configs.find("appendLogging");
+    if (re == configs.end()) {
+        return false;
+    }
+    return str_util::parse_bool((*re).second);  
+}
+
+int Config::LoggingLevel() {
+    auto re = configs.find("loggingLevel");
+    if (re == configs.end()) {
+        return AV_LOG_INFO;
+    }
+    std::string level = str_util::tolower((*re).second);
+    if (level == "debug") {
+        return AV_LOG_DEBUG;
+    } else if (level == "verbose") {
+        return AV_LOG_VERBOSE;
+    } else if (level == "info") {
+        return AV_LOG_INFO;
+    } else if (level == "warning") {
+        return AV_LOG_WARNING;
+    } else if (level == "error") {
+        return AV_LOG_ERROR;
+    } else if (level == "fatal") {
+        return AV_LOG_FATAL;
+    } else if (level == "trace") {
+        return AV_LOG_TRACE;
+    } else if (level == "panic") {
+        return AV_LOG_PANIC;
+    } else {
+        return AV_LOG_INFO;
+    }
+}
diff --git a/config.hpp b/config.hpp
index fd11bec..d9b9b77 100644
--- a/config.hpp
+++ b/config.hpp
@@ -7,6 +7,11 @@ class Config {
         Config() {
             configs["defaultFont"] = "微软雅黑";
             configs["stringReplaceFile"] = "";
+            configs["appendLogging"] = "false";
+            configs["loggingFile"] = "";
+            configs["loggingLevel"] = "info";
         }
         bool Load(std::string path);
+        bool IsAppendLogging();
+        int LoggingLevel();
 };
diff --git a/dllmain.cpp b/dllmain.cpp
index 8f15459..5a9de45 100644
--- a/dllmain.cpp
+++ b/dllmain.cpp
@@ -8,6 +8,7 @@
 #include "fileop.h"
 #include <fcntl.h>
 #include "string_replace_file.hpp"
+#include "player.h"
 
 static HFONT(WINAPI *TrueCreateFontW)(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCWSTR lpFaceName) = CreateFontW;
 static HFONT(WINAPI *TrueCreateFontA)(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCSTR lpFaceName) = CreateFontA;
@@ -22,10 +23,21 @@ static decltype(GetFileType) *TrueGetFileType = GetFileType;
 static decltype(GetFileAttributesW) *TrueGetFileAttributesW = GetFileAttributesW;
 static decltype(GetFileAttributesExW) *TrueGetFileAttributesExW = GetFileAttributesExW;
 
+typedef int64_t(*OpenMediaFileAndGetDuration)(DWORD* duration, const char* arcName, const char* videoName);
+typedef int64_t(*IsPlaying)();
+typedef int64_t(*IsMediaPlaying)();
+typedef int64_t(*ReleaseDirectShowGraph)();
+
 static Config config;
 static std::wstring defaultFont;
 static VFS vfs;
 static StringReplaceFile replaceFile;
+static PlayerSession* player = NULL;
+static PlayerSettings* settings = NULL;
+static OpenMediaFileAndGetDuration OpenMediaFileAndGetDurationFunc = NULL;
+static IsPlaying IsPlayingFunc = NULL;
+static IsMediaPlaying IsMediaPlayingFunc = NULL;
+static ReleaseDirectShowGraph ReleaseDirectShowGraphFunc = NULL;
 
 char* to_utf8(char* target, const char* source, UINT cp) {
     int count = MultiByteToWideChar(cp, MB_ERR_INVALID_CHARS, source, -1, NULL, 0);
@@ -73,8 +85,108 @@ PVOID GetHandle() {
     return (char*)hModule + 0xf40e0;
 }
 
+HWND* GetHwndPointer() {
+    HMODULE hModule = GetModuleHandleA(NULL);
+    return (HWND*)((char*)hModule + 0x1e1620);
+}
+
+OpenMediaFileAndGetDuration GetOpenMediaFileAndGetDuration() {
+    HMODULE hModule = GetModuleHandleA(NULL);
+    return (OpenMediaFileAndGetDuration)((char*)hModule + 0xed3d0);
+}
+
+IsPlaying GetIsPlaying() {
+    HMODULE hModule = GetModuleHandleA(NULL);
+    return (IsPlaying)((char*)hModule + 0xed810);
+}
+
+IsMediaPlaying GetIsMediaPlaying() {
+    HMODULE hModule = GetModuleHandleA(NULL);
+    return (IsMediaPlaying)((char*)hModule + 0xed2f0);
+}
+
+ReleaseDirectShowGraph GetReleaseDirectShowGraph() {
+    HMODULE hModule = GetModuleHandleA(NULL);
+    return (ReleaseDirectShowGraph)((char*)hModule + 0xed610);
+}
+
 static PVOID h = nullptr;
 
+int64_t HookedOpenMediaFileAndGetDuration(DWORD* duration, const char* arcName, const char* videoName) {
+    player_free(&player);
+    player_log(AV_LOG_INFO, "BGI: Open Video: %s, %s\n", arcName, videoName);
+    int64_t ok = 0;
+    if (fileop::exists(videoName)) {
+        player_log(AV_LOG_INFO, "Video file exists: %s\n", videoName);
+        if (!settings) {
+            settings = player_settings_init();
+            if (!settings) {
+                player_log(AV_LOG_ERROR, "Failed to initialize player settings.\n");
+                goto end;
+            }
+        }
+        player_settings_set_hWnd(settings, (void**)GetHwndPointer());
+        if (player_create2(videoName, &player, settings)) {
+            player_log(AV_LOG_ERROR, "Failed to create player session.\n");
+            goto end;
+        }
+        if (wait_player_inited(player)) {
+            player_log(AV_LOG_ERROR, "Failed to initialize player.\n");
+            goto end;
+        }
+        if (player_play(player)) {
+            player_log(AV_LOG_ERROR, "Failed to play video.\n");
+            goto end;
+        }
+        int64_t dur;
+        if (!player_get_duration(player, &dur)) {
+            if (duration) {
+                *duration = dur / 1000;
+            }
+        } else {
+            player_log(AV_LOG_WARNING, "Failed to get video duration.\n");
+        }
+        goto works;
+    }
+end:
+    ok = OpenMediaFileAndGetDurationFunc(duration, arcName, videoName);
+works:
+    if (duration) {
+        char tmp[32];
+        int64_t dur = *duration * 1000;
+        player_ts_make_string(tmp, dur);
+        player_log(AV_LOG_INFO, "Video duration: %s\n", tmp);
+    }
+    return ok;
+}
+
+int64_t HookedIsPlaying() {
+    if (player) {
+        return player_is_playing(player);
+    }
+    return IsPlayingFunc();
+}
+
+int64_t HookedIsMediaPlaying() {
+    if (player) {
+        int64_t re = player_is_playing(player);
+        // 释放播放器，BGI在播放完毕后不会手动释放
+        if (!re) {
+            player_log(AV_LOG_INFO, "Auto Close\n");
+            player_free(&player);
+        }
+        return re;
+    }
+    int64_t re = IsMediaPlayingFunc();
+    return re;
+}
+
+int64_t HookedReleaseDirectShowGraph() {
+    player_log(AV_LOG_INFO, "BGI: Close\n");
+    player_free(&player);
+    return ReleaseDirectShowGraphFunc();
+}
+
 HFONT WINAPI HookedCreateFontW(int nHeight, int nWidth, int nEscapement, int nOrientation, int fnWeight, DWORD dwItalic, DWORD dwUnderline, DWORD dwStrikeOut, DWORD dwCharSet, DWORD dwOutPrecision, DWORD dwClipPrecision, DWORD dwQuality, DWORD dwPitchAndFamily, LPCWSTR lpFaceName) {
     std::wstring name(lpFaceName);
     if (name == L"Meiryo") {
@@ -183,11 +295,24 @@ extern "C" __declspec(dllexport) void Attach() {
     if (defaultFont.empty()) {
         defaultFont = L"微软雅黑";
     }
-    vfs.AddArchiveWithErrorMsg("jewena-chs.dat");
+    auto loggingFile = config.configs["loggingFile"];
+    if (!loggingFile.empty()) {
+        set_player_log_file(loggingFile.c_str(), config.IsAppendLogging() ? 1 : 0, config.LoggingLevel());
+    }
+    vfs.AddArchive("jewena-chs.dat");
+    vfs.AddArchive("video.dat");
     DetourTransactionBegin();
     DetourUpdateThread(GetCurrentThread());
     h = GetHandle();
     DetourAttach(&h, (PVOID)jis_to_utf8);
+    OpenMediaFileAndGetDurationFunc = GetOpenMediaFileAndGetDuration();
+    DetourAttach(&OpenMediaFileAndGetDurationFunc, HookedOpenMediaFileAndGetDuration);
+    IsPlayingFunc = GetIsPlaying();
+    DetourAttach(&IsPlayingFunc, HookedIsPlaying);
+    IsMediaPlayingFunc = GetIsMediaPlaying();
+    DetourAttach(&IsMediaPlayingFunc, HookedIsMediaPlaying);
+    ReleaseDirectShowGraphFunc = GetReleaseDirectShowGraph();
+    DetourAttach(&ReleaseDirectShowGraphFunc, HookedReleaseDirectShowGraph);
     DetourAttach(&TrueCreateFontW, HookedCreateFontW);
     DetourAttach(&TrueCreateFontA, HookedCreateFontA);
     DetourAttach(&TrueCreateFileW, HookedCreateFileW);
diff --git a/include/player.h b/include/player.h
new file mode 100644
index 0000000..f34a979
--- /dev/null
+++ b/include/player.h
@@ -0,0 +1,170 @@
+#ifndef _PLAYER_H
+#define _PLAYER_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+#if _WIN32
+#if BUILD_PLAYER
+#define PLAYER_API __declspec(dllexport)
+#else
+#define PLAYER_API __declspec(dllimport)
+#endif
+#elif defined(__GNUC__)
+#define PLAYER_API __attribute__((visibility("default")))
+#else
+#define PLAYER_API 
+#endif
+
+typedef struct PlayerSession PlayerSession;
+typedef struct PlayerSettings PlayerSettings;
+
+#ifndef BUILD_PLAYER
+#define AV_LOG_QUIET    -8
+#define AV_LOG_PANIC     0
+#define AV_LOG_FATAL     8
+#define AV_LOG_ERROR    16
+#define AV_LOG_WARNING  24
+#define AV_LOG_INFO     32
+#define AV_LOG_VERBOSE  40
+#define AV_LOG_DEBUG    48
+#define AV_LOG_TRACE    56
+#endif
+
+#define PLAYER_ERR_OK 0
+#define PLAYER_ERR_NULLPTR 1
+#define PLAYER_ERR_SDL 2
+#define PLAYER_ERR_OOM 3
+#define PLAYER_ERR_NO_STREAM_OR_DECODER 4
+#define PLAYER_ERR_UNKNOWN_AUDIO_SAMPLE_FMT 5
+#define PLAYER_ERR_FAILED_CREATE_MUTEX 6
+#define PLAYER_ERR_WAIT_MUTEX_FAILED 7
+#define PLAYER_ERR_FAILED_CREATE_THREAD 8
+#define PLAYER_ERR_NO_DURATION 9
+
+PLAYER_API const char* player_version_str();
+PLAYER_API int32_t player_version();
+/**
+ * @brief 设置播放器日志文件
+ * 
+ * 如果之前设置过日志文件，会关闭之前的日志文件。
+ * @param filename 日志文件路径，如果为NULL则关闭之前的设置的日志文件
+ * @param append 是否追加到文件末尾
+ * @param max_level 最大日志级别，小于等于这个级别的日志会被记录
+*/
+PLAYER_API void set_player_log_file(const char* filename, unsigned char append, int max_level);
+/**
+ * @brief 记录播放器日志
+ * @param level 日志级别
+ * @param fmt 日志格式
+*/
+PLAYER_API void player_log(int level, const char* fmt, ...);
+PLAYER_API size_t player_ts_max_string_size();
+/**
+ * @brief 将时间戳转换为字符串
+ * @param buf 用于接收字符串的缓冲区，至少需要 player_ts_max_string_size() 大小
+ * @param ts 时间戳（单位：微秒）
+ * @return 字符串指针
+*/
+PLAYER_API char* player_ts_make_string(char* buf, int64_t ts);
+/**
+ * @brief 返回错误代码对应的错误消息
+ * @param err 错误代码
+ * @return 错误消息，需要调用free释放内存
+*/
+PLAYER_API char* player_get_err_msg(int err);
+/**
+ * @brief 返回错误代码对应的错误消息
+ * @param err 错误代码（仅处理>=0的错误）
+ * @return 错误消息
+*/
+PLAYER_API const char* player_get_err_msg2(int err);
+
+/**
+ * @brief 创建一个播放器会话
+ * @param url 要播放的文件路径
+ * @param session 用于接收会话指针的指针
+ * @return 错误代码
+*/
+PLAYER_API int player_create(const char* url, PlayerSession** session);
+
+/**
+ * @brief 创建一个播放器会话
+ * @param url 要播放的文件路径
+ * @param session 用于接收会话指针的指针
+ * @param settings 播放器设置，如果为NULL会使用默认设置。注意，传入的settings需要在session销毁前保持有效，需要手动调用 player_settings_free 。
+ * @return 错误代码
+*/
+PLAYER_API int player_create2(const char* url, PlayerSession** session, PlayerSettings* settings);
+/**
+ * @brief 等待播放器初始化完成
+ * @param session 播放器会话指针
+ * @return 错误代码
+ */
+PLAYER_API int wait_player_inited(PlayerSession* session);
+/**
+ * @brief 开始播放
+ * @param session 播放器会话指针
+ * @return 错误代码
+*/
+PLAYER_API int player_play(PlayerSession* session);
+/**
+ * @brief 暂停播放
+ * @param session 播放器会话指针
+ * @return 错误代码
+*/
+PLAYER_API int player_pause(PlayerSession* session);
+/**
+ * @brief 判断播放器是否正在播放
+ * @param session 播放器会话指针
+ * @return 是否正在播放
+*/
+PLAYER_API int player_is_playing(PlayerSession* session);
+/**
+ * @brief 获取当前播放时间
+ * @param session 播放器会话指针
+ * @param pos 用于接收当前播放时间的指针（单位：微秒）
+ * @return 错误代码
+*/
+PLAYER_API int player_get_duration(PlayerSession* session, int64_t* duration);
+PLAYER_API void player_free(PlayerSession** session);
+
+/**
+ * @brief 初始化播放器设置，会自动设置为默认值
+ * @return 播放器设置指针
+*/
+PLAYER_API PlayerSettings* player_settings_init();
+/**
+ * @brief 将播放器设置重置为默认值
+ * @param settings 播放器设置指针
+*/
+PLAYER_API void player_settings_default(PlayerSettings* settings);
+/**
+ * @brief 设置是否自动调整窗口大小
+ * @param settings 播放器设置指针
+ * @param resize 是否自动调整窗口大小
+*/
+PLAYER_API void player_settings_set_resize(PlayerSettings* settings, unsigned char resize);
+/**
+ * @brief 设置窗口句柄
+ * @param settings 播放器设置指针
+ * @param hWnd 指向窗口句柄的指针
+*/
+PLAYER_API void player_settings_set_hWnd(PlayerSettings* settings, void** hWnd);
+PLAYER_API void player_settings_free(PlayerSettings** settings);
+
+/**
+ * @brief 直接播放一个文件，会创建一个新的窗口并自动播放，播放结束后自动销毁。
+ * 
+ * 会阻塞当前线程。
+ * @param filename 要播放的文件路径
+ * @param hWnd 指向窗口句柄的指针（可选）
+ */
+PLAYER_API void play(const char* filename, void** hWnd);
+
+#ifdef __cplusplus
+}
+#endif
+#endif
diff --git a/include/player_version.h b/include/player_version.h
new file mode 100644
index 0000000..55934e4
--- /dev/null
+++ b/include/player_version.h
@@ -0,0 +1,9 @@
+#ifndef _PLAYER_VERSION_H
+#define _PLAYER_VERSION_H
+#define PLAYER_VERSION_MAJOR 0
+#define PLAYER_VERSION_MINOR 0
+#define PLAYER_VERSION_MICRO 1
+#define PLAYER_VERSION_REV 0
+#define PLAYER_VERSION "0.0.1.0"
+#define PLAYER_VERSION_INT (((int32_t)PLAYER_VERSION_MAJOR << 24) | ((int32_t)PLAYER_VERSION_MINOR << 16) | ((int32_t)PLAYER_VERSION_MICRO << 8) | (int32_t)PLAYER_VERSION_REV)
+#endif
diff --git a/lib/player.lib b/lib/player.lib
new file mode 100644
index 0000000..f8ceeb5
Binary files /dev/null and b/lib/player.lib differ
diff --git a/utils b/utils
index 5fde5e6..252c20d 160000
--- a/utils
+++ b/utils
@@ -1 +1 @@
-Subproject commit 5fde5e6e521bfbc74da3ec7144910e750b201b82
+Subproject commit 252c20d0688a84d59227c9934ade5085dd63d291