[feat] enable Android MediaCodec decoding and simplify tests

apps/android/native/video_picture.h

@@ -1,4 +1,11 @@
-#pragma once
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-10-02
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _VIDEO_PICTURE_H_
+#define _VIDEO_PICTURE_H_
 
 #include <minirtc.h>
 #include <climits>
@@ -14,6 +21,12 @@ struct VideoPicture {
   std::vector<uint8_t> pixels;
   std::shared_ptr<void> native_owner;
   MiniRtcCpuNv12Frame planes{};
+  MiniRtcAndroidMediaCodecFrame media_codec{};
+
+  bool IsSurface() const { return media_codec.render && native_owner; }
+  int RenderSurface(void* window) const {
+    return IsSurface() ? media_codec.render(native_owner.get(), window) : -1;
+  }
 
   const uint8_t* Y() const { return native_owner ? planes.y_plane : pixels.data(); }
   const uint8_t* UV() const { return native_owner ? planes.uv_plane : pixels.data() + size_t(width) * height; }
@@ -26,10 +39,17 @@ struct VideoPicture {
     if (!w || !h || w > 8192 || h > 8192 || (w & 1) || (h & 1) ||
         static_cast<uint64_t>(w) * h > 33554432) return std::nullopt;
     VideoPicture result{w, h, frame.captured_timestamp, frame.received_timestamp,
-                        generation, {}, {}, {}};
+                        generation, {}, {}, {}, {}};
     const auto* native = frame.native_frame;
     const bool valid_native = native && native->struct_size >= sizeof(*native) &&
         native->width == w && native->height == h && native->owner;
+    if (valid_native && native->type == MiniRtcNativeVideoFrameAndroidMediaCodec &&
+        native->retain && native->release && native->payload.android_media_codec.render) {
+      native->retain(native->owner);
+      result.native_owner = std::shared_ptr<void>(native->owner, native->release);
+      result.media_codec = native->payload.android_media_codec;
+      return result;
+    }
     if (valid_native && native->type == MiniRtcNativeVideoFrameCpuNv12 &&
         native->retain && native->release) {
       const auto& planes = native->payload.cpu_nv12;
@@ -56,3 +76,5 @@ struct VideoPicture {
   }
 };
 }  // namespace crossdesk::android_controller
+
+#endif