From a338cd531c460c0b3e829217f1f91f0156bcc6a7 Mon Sep 17 00:00:00 2001
From: houxiao <houxiao@454eff88-639b-444f-9e54-f578c98de674>
Date: 星期三, 12 四月 2017 13:20:30 +0800
Subject: [PATCH] new getFaceImages api

---
 VisitFace/RtspNativeCodec/app/src/main/cpp/CameraWrapper.cpp |   56 +++++++++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 45 insertions(+), 11 deletions(-)

diff --git a/VisitFace/RtspNativeCodec/app/src/main/cpp/CameraWrapper.cpp b/VisitFace/RtspNativeCodec/app/src/main/cpp/CameraWrapper.cpp
index 5a88d00..20290c2 100644
--- a/VisitFace/RtspNativeCodec/app/src/main/cpp/CameraWrapper.cpp
+++ b/VisitFace/RtspNativeCodec/app/src/main/cpp/CameraWrapper.cpp
@@ -47,12 +47,13 @@
 
 	PL_AndroidMediaCodecDecoder* amcDecoder = (PL_AndroidMediaCodecDecoder*)pipeLine->push_elem("PL_AndroidMediaCodecDecoder");
 	ret = amcDecoder->init(&amcdConfig);
-	if (!ret)
+		if (!ret)
 	{
 		LOG_ERROR << "amcDecoder.init error" << LOG_ENDL;
 		return  false;
 	}
-	
+
+#ifdef USE_ST_SDK
 	PL_SensetimeFaceTrack* sfTrack = (PL_SensetimeFaceTrack*)pipeLine->push_elem("PL_SensetimeFaceTrack");
 	ret = sfTrack->init(&sftConfig);
 	if (!ret)
@@ -60,8 +61,42 @@
 		LOG_ERROR << "sfTrack.init error" << LOG_ENDL;
 		return  false;
 	}
+#endif
 
 	return true;
+}
+
+static void java_mt_callback() {
+
+}
+
+static void invokeCallback(CameraWrapper& cameraWrapper, int faceCount)
+{
+    //jni thread may not able to invoke java callback
+    // double check it's all ok
+    int getEnvStat = cameraWrapper.javaVM->GetEnv((void **)&(cameraWrapper.javaEnv), JNI_VERSION_1_6);
+    if (getEnvStat == JNI_EDETACHED)
+    {
+        //LOG_WARN << "GetEnv: not attached" << std::endl;
+        if (cameraWrapper.javaVM->AttachCurrentThread(&(cameraWrapper.javaEnv), NULL) != 0)
+            LOG_WARN << "Failed to attach" << LOG_ENDL;
+        else
+            getEnvStat = JNI_OK;
+    }
+    else if (getEnvStat == JNI_OK)
+    {
+    }
+    else if (getEnvStat == JNI_EVERSION)
+        LOG_WARN << "GetEnv: version not supported" << LOG_ENDL;
+    else if (getEnvStat == JNI_ERR)
+        LOG_WARN << "GetEnv: JNI_ERR" << LOG_ENDL;
+
+    cameraWrapper.javaEnv->CallStaticVoidMethod(cameraWrapper.faceCallbackClazz, cameraWrapper.faceCallbackFunc, cameraWrapper.cameraIdx, faceCount);
+
+    if (cameraWrapper.javaEnv->ExceptionCheck())
+        cameraWrapper.javaEnv->ExceptionDescribe();
+
+    cameraWrapper.javaVM->DetachCurrentThread();
 }
 
 /*static*/ void* CameraWrapper::live_daemon_thd(void* arg)
@@ -82,19 +117,18 @@
 		if (cameraWrapper.faceCacheLocked)
 			continue;
 		
-		PipeMaterial pm;
+#ifdef USE_ST_SDK
+        PipeMaterial pm;
 		ret = last->gain(pm);
-		
+
 		if (!ret)
 			continue;
-		
+
 		int faceCount = cameraWrapper.faceCache.cachePm(pm);
-		
-		if (faceCount != 0 && cameraWrapper.faceCallback != 0)
-		{
-			// #todo jni thread may not able to invoke java callback
-			//env->CallVoidMethod(obj, callback, cameraIdx , faceCount);
-		}
+
+		if (faceCount > 0 && cameraWrapper.faceCallbackFunc != 0)
+            invokeCallback(cameraWrapper, faceCount);
+#endif
 	}
 	
 	LOG_INFO << "CameraWrapper::live_daemon_thd stop, ret=" << LOG_ENDL;

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