Project import generated by Copybara.

GitOrigin-RevId: a6e7ccd12eb2ad9da2f723eb344658295ed85d46

mediapipe/calculators/tflite/tflite_inference_calculator.cc

@@ -23,9 +23,9 @@
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/port/ret_check.h"
 
-#if !defined(__EMSCRIPTEN__)
+#if !defined(__EMSCRIPTEN__) || defined(__EMSCRIPTEN_PTHREADS__)
 #include "mediapipe/util/cpu_util.h"
-#endif  // !__EMSCRIPTEN__
+#endif  // !__EMSCRIPTEN__ || __EMSCRIPTEN_PTHREADS__
 
 #include "mediapipe/util/resource_util.h"
 #include "tensorflow/lite/error_reporter.h"
@@ -121,7 +121,7 @@ struct GPUData {
 
 // Returns number of threads to configure XNNPACK delegate with.
 // (Equal to user provided value if specified.  Otherwise, it returns number of
-// high cores (hard-coded to 1 for __EMSCRIPTEN__))
+// high cores (hard-coded to 1 for Emscripten without Threads extension))
 int GetXnnpackNumThreads(
     const mediapipe::TfLiteInferenceCalculatorOptions& opts) {
   static constexpr int kDefaultNumThreads = -1;
@@ -129,11 +129,11 @@ int GetXnnpackNumThreads(
       opts.delegate().xnnpack().num_threads() != kDefaultNumThreads) {
     return opts.delegate().xnnpack().num_threads();
   }
-#if !defined(__EMSCRIPTEN__)
+#if !defined(__EMSCRIPTEN__) || defined(__EMSCRIPTEN_PTHREADS__)
   return InferHigherCoreIds().size();
 #else
   return 1;
-#endif  // !__EMSCRIPTEN__
+#endif  // !__EMSCRIPTEN__ || __EMSCRIPTEN_PTHREADS__
 }
 
 // Calculator Header Section

mediapipe/docs/android_archive_library.md

@@ -32,13 +32,14 @@ project.
 2.  Run the Bazel build command to generate the AAR.
 
     ```bash
-    bazel build -c opt --fat_apk_cpu=arm64-v8a,armeabi-v7a //path/to/the/aar/build/file:aar_name
+    bazel build -c opt --host_crosstool_top=@bazel_tools//tools/cpp:toolchain --fat_apk_cpu=arm64-v8a,armeabi-v7a \
+        //path/to/the/aar/build/file:aar_name
     ```
 
     For the face detection AAR target we made in the step 1, run:
 
     ```bash
-    bazel build -c opt --fat_apk_cpu=arm64-v8a,armeabi-v7a \
+    bazel build -c opt --host_crosstool_top=@bazel_tools//tools/cpp:toolchain --fat_apk_cpu=arm64-v8a,armeabi-v7a \
         //mediapipe/examples/android/src/java/com/google/mediapipe/apps/aar_example:mp_face_detection_aar
 
     # It should print:

mediapipe/framework/calculator_graph_test.cc

@@ -527,7 +527,7 @@ REGISTER_CALCULATOR(Modulo3SourceCalculator);
 // calculator.
 class OutputAllSourceCalculator : public CalculatorBase {
  public:
-  static const int kNumOutputPackets = 100;
+  static constexpr int kNumOutputPackets = 100;
 
   static ::mediapipe::Status GetContract(CalculatorContract* cc) {
     cc->Outputs().Index(0).Set<int>();
@@ -550,7 +550,7 @@ REGISTER_CALCULATOR(OutputAllSourceCalculator);
 // progress.
 class OutputOneAtATimeSourceCalculator : public CalculatorBase {
  public:
-  static const int kNumOutputPackets = 1000;
+  static constexpr int kNumOutputPackets = 1000;
 
   static ::mediapipe::Status GetContract(CalculatorContract* cc) {
     cc->Outputs().Index(0).Set<int>();
@@ -577,7 +577,7 @@ REGISTER_CALCULATOR(OutputOneAtATimeSourceCalculator);
 // input stream connected to this calculator can become full.
 class DecimatorCalculator : public CalculatorBase {
  public:
-  static const int kDecimationRatio = 101;
+  static constexpr int kDecimationRatio = 101;
 
   static ::mediapipe::Status GetContract(CalculatorContract* cc) {
     cc->Inputs().Index(0).SetAny();

mediapipe/java/com/google/mediapipe/framework/jni/register_natives.cc

@@ -56,6 +56,19 @@ void AddJNINativeMethod(std::vector<JNINativeMethodStrings> *methods,
 
 void RegisterNativesVector(JNIEnv *env, jclass cls,
                            const std::vector<JNINativeMethodStrings> &methods) {
+  // A client Java project may not use some methods and classes that we attempt
+  // to register and could be removed by Proguard. In that case, we want to
+  // avoid triggering a crash due to ClassNotFoundException, so we are trading
+  // safety check here in exchange for flexibility to list out all registrations
+  // without worrying about usage subset by client Java projects.
+  if (!cls || methods.empty()) {
+    LOG(INFO) << "Skipping registration and clearing exception. Class or "
+                 "native methods not found, may be unused and/or trimmed by "
+                 "Proguard.";
+    env->ExceptionClear();
+    return;
+  }
+
   JNINativeMethod *methods_array = new JNINativeMethod[methods.size()];
   for (int i = 0; i < methods.size(); i++) {
     JNINativeMethod jniNativeMethod{
@@ -97,6 +110,13 @@ void RegisterGraphNatives(JNIEnv *env) {
                      (void *)&GRAPH_METHOD(nativeStartRunningGraph));
   AddJNINativeMethod(&graph_methods, graph, "nativeSetParentGlContext", "(JJ)V",
                      (void *)&GRAPH_METHOD(nativeSetParentGlContext));
+  AddJNINativeMethod(&graph_methods, graph, "nativeCloseAllPacketSources",
+                     "(J)V",
+                     (void *)&GRAPH_METHOD(nativeCloseAllPacketSources));
+  AddJNINativeMethod(&graph_methods, graph, "nativeWaitUntilGraphDone", "(J)V",
+                     (void *)&GRAPH_METHOD(nativeWaitUntilGraphDone));
+  AddJNINativeMethod(&graph_methods, graph, "nativeReleaseGraph", "(J)V",
+                     (void *)&GRAPH_METHOD(nativeReleaseGraph));
   RegisterNativesVector(env, graph_class, graph_methods);
 }
 

mediapipe/java/com/google/mediapipe/mediapipe_aar.bzl

@@ -130,11 +130,11 @@ cat > $(OUTS) <<EOF
             "//third_party:androidx_legacy_support_v4",
             "//third_party:camerax_core",
             "//third_party:camera2",
-            "@com_google_code_findbugs//jar",
-            "@com_google_common_flogger//jar",
-            "@com_google_common_flogger_system_backend//jar",
-            "@com_google_guava_android//jar",
-            "@androidx_lifecycle//jar",
+            "@maven//:com_google_code_findbugs_jsr305",
+            "@maven//:com_google_flogger_flogger",
+            "@maven//:com_google_flogger_flogger_system_backend",
+            "@maven//:com_google_guava_guava",
+            "@maven//:androidx_lifecycle_lifecycle_common",
         ],
     )
 
@@ -144,18 +144,16 @@ def _proto_java_src_generator(name, proto_src, java_lite_out, srcs = []):
     native.genrule(
         name = name + "_proto_java_src_generator",
         srcs = srcs + [
-            "@com_google_protobuf_javalite//:well_known_protos",
+            "@com_google_protobuf//:well_known_protos",
         ],
         outs = [java_lite_out],
-        cmd = "$(location @com_google_protobuf_javalite//:protoc) " +
-              "--plugin=protoc-gen-javalite=$(location @com_google_protobuf_javalite//:protoc_gen_javalite) " +
+        cmd = "$(location @com_google_protobuf//:protoc) " +
               "--proto_path=. --proto_path=$(GENDIR) " +
-              "--proto_path=$$(pwd)/external/com_google_protobuf_javalite/src " +
-              "--javalite_out=$(GENDIR) " + proto_src + " && " +
+              "--proto_path=$$(pwd)/external/com_google_protobuf/src " +
+              "--java_out=lite:$(GENDIR) " + proto_src + " && " +
               "mv $(GENDIR)/" + java_lite_out + " $$(dirname $(location " + java_lite_out + "))",
         tools = [
-            "@com_google_protobuf_javalite//:protoc",
-            "@com_google_protobuf_javalite//:protoc_gen_javalite",
+            "@com_google_protobuf//:protoc",
         ],
     )