feat(sound): sound player release function

src/kiwano-audio/SoundPlayer.cpp

@@ -155,6 +155,11 @@ void SoundPlayer::StopAll()
     }
 }
 
+void SoundPlayer::ReleaseSound(size_t id)
+{
+    sound_cache_.erase(id);
+}
+
 void SoundPlayer::ClearCache()
 {
     sound_cache_.clear();

src/kiwano-audio/SoundPlayer.h

@@ -40,6 +40,8 @@ KGE_DECLARE_SMART_PTR(SoundPlayer);
 class KGE_API SoundPlayer : public ObjectBase
 {
 public:
+    using SoundMap = Map<size_t, SoundPtr>;
+
     SoundPlayer();
 
     ~SoundPlayer();
@@ -120,6 +122,15 @@ public:
     /// @brief 停止所有音频
     void StopAll();
 
+    /// \~chinese
+    /// @brief 释放音乐对象缓存
+    /// @param id 音频标识符
+    void ReleaseSound(size_t id);
+
+    /// \~chinese
+    /// @brief 获取缓存
+    const SoundMap& GetCache() const;
+
     /// \~chinese
     /// @brief 清除缓存
     void ClearCache();
@@ -127,10 +138,15 @@ public:
 private:
     float volume_;
 
-    using SoundMap = Map<size_t, SoundPtr>;
     SoundMap sound_cache_;
 };
 
 /** @} */
+
+inline const SoundPlayer::SoundMap& SoundPlayer::GetCache() const
+{
+    return sound_cache_;
+}
+
 }  // namespace audio
 }  // namespace kiwano