Danmaku mask follow the video mirror setting

xfangfang · Dec 10, 2023 · 1df6a1f · 1df6a1f
1 parent f3f17ac
commit 1df6a1f
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Showing 3 changed files with 12 additions and 4 deletions.
diff --git a/wiliwili/include/view/mpv_core.hpp b/wiliwili/include/view/mpv_core.hpp
@@ -272,6 +272,9 @@ class MPVCore : public brls::Singleton<MPVCore> {
     // 默认的音量
     inline static int VIDEO_VOLUME = 100;
 
+    // 是否镜像视频
+    inline static bool VIDEO_MIRROR = false;
+
 private:
     mpv_handle *mpv                 = nullptr;
     mpv_render_context *mpv_context = nullptr;

diff --git a/wiliwili/source/fragment/player_setting.cpp b/wiliwili/source/fragment/player_setting.cpp
@@ -173,12 +173,11 @@ void PlayerSetting::setupCommonSetting() {
                       });
 
     /// Player mirror
-    static bool videoMirror = false;
-    btnMirror->init("wiliwili/player/setting/common/mirror"_i18n, videoMirror,
+    btnMirror->init("wiliwili/player/setting/common/mirror"_i18n, MPVCore::VIDEO_MIRROR,
                     [](bool value) {
-                        videoMirror = !videoMirror;
+                        MPVCore::VIDEO_MIRROR = !MPVCore::VIDEO_MIRROR;
                         MPVCore::instance().command_async(
-                            "set", "vf", videoMirror ? "hflip" : "");
+                            "set", "vf", MPVCore::VIDEO_MIRROR ? "hflip" : "");
                     });
 
     /// Player Highlight progress bar

diff --git a/wiliwili/source/view/danmaku_core.cpp b/wiliwili/source/view/danmaku_core.cpp
@@ -314,6 +314,11 @@ void DanmakuCore::draw(NVGcontext *vg, float x, float y, float width,
         }
 
         // 设置遮罩
+        if (MPVCore::VIDEO_MIRROR) {
+            nvgSave(vg);
+            nvgTranslate(vg, width + x + x, 0);
+            nvgScale(vg, -1, 1);
+        }
         nvgBeginPath(vg);
         float drawHeight = height, drawWidth = width;
         float drawX = x, drawY = y;
@@ -333,6 +338,7 @@ void DanmakuCore::draw(NVGcontext *vg, float x, float y, float width,
 #else
         nvgStencil(vg);
 #endif
+        if (MPVCore::VIDEO_MIRROR) nvgRestore(vg);
     }
 #endif /* BOREALIS_USE_OPENGL */
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