feat:v1版本完成

android/src/main/kotlin/top/skychip/video_decode_plugin/VideoDecoder.kt

@@ -162,6 +162,7 @@ class VideoDecoder(
         // 启动渲染线程
         renderThreadRunning = true
         renderThread = Thread {
+            var hasNotifiedFlutter = false
             var renderedFrameCount = 0 // 渲染帧计数器
             while (renderThreadRunning) {
                 // 计算每帧渲染间隔
@@ -172,10 +173,10 @@ class VideoDecoder(
                     val frame = outputFrameQueue.take()
                     frame.codec.releaseOutputBuffer(frame.bufferIndex, true)
                     renderedFrameCount++
-                    // 每累计renderFps帧回调一次onFrameRendered
-                    if (renderedFrameCount >= renderFps) {
-                        // 回调到Flutter端 通知解码并渲染完81帧了
+                    // 只在首次渲染时回调Flutter
+                    if (!hasNotifiedFlutter) {
                         mainHandler.post { onFrameRendered() }
+                        hasNotifiedFlutter = true
                     }
                 } catch (e: Exception) {
                     Log.e(TAG, "[RenderThread] Exception", e)

lib/video_decode_plugin.dart

@@ -129,6 +129,7 @@ class VideoDecodePlugin {
     required int timestamp,
     required int frameSeq,
     bool splitNalFromIFrame = false,
+    int? refIFrameSeq, // P帧时可选
   }) async {
     if (splitNalFromIFrame && frameType == 0) {
       // 优先使用缓存的SPS/PPS