xref: /expo/packages/expo-av/android/src/main/cpp/JPlayerData.cpp (revision e712b0bc)

// Copyright © 2021-present 650 Industries, Inc. (aka Expo)

#include "JPlayerData.h"

#include <jni.h>
#include <fbjni/fbjni.h>

#include <memory>
#include <string>

namespace expo {
  namespace av {

    namespace jni = facebook::jni;

    jni::local_ref<JPlayerData::jhybriddata>
    JPlayerData::initHybrid(jni::alias_ref<jhybridobject> jThis) {
      return makeCxxInstance(jThis);
    }

    void JPlayerData::registerNatives() {
      registerHybrid({
                       makeNativeMethod("initHybrid", JPlayerData::initHybrid),
                       makeNativeMethod("sampleBufferCallback", JPlayerData::sampleBufferCallback),
                     });
    }

    void JPlayerData::sampleBufferCallback(jni::alias_ref<jni::JArrayByte> sampleBuffer,
                                           jdouble positionSeconds) {
      if (sampleBufferCallback_ == nullptr) {
        __android_log_write(ANDROID_LOG_WARN, TAG, "Sample Buffer Callback is null!");
        setEnableSampleBufferCallback(false);
        return;
      }

      auto sampleBufferStrong = make_local(sampleBuffer);
      try {
        sampleBufferCallback_(sampleBufferStrong, positionSeconds);
      } catch (const std::exception &exception) {
        auto message = "Sample Buffer Callback threw an error! " + std::string(exception.what());
        __android_log_write(ANDROID_LOG_ERROR, TAG, message.c_str());
      }
    }

    void JPlayerData::setEnableSampleBufferCallback(bool enable) {
      if (enable) {
        __android_log_write(ANDROID_LOG_INFO, TAG, "Enabling Sample Buffer Callback...");
      } else {
        __android_log_write(ANDROID_LOG_INFO, TAG, "Disabling Sample Buffer Callback...");
      }
      static const auto javaMethod = javaPart_->getClass()->getMethod<void(bool)>(
        "setEnableSampleBufferCallback");
      javaMethod(javaPart_.get(), enable);
    }

    void JPlayerData::setSampleBufferCallback(const SampleBufferCallback &&sampleBufferCallback) {
      sampleBufferCallback_ = sampleBufferCallback;
      setEnableSampleBufferCallback(true);
    }

    void JPlayerData::unsetSampleBufferCallback() {
      sampleBufferCallback_ = nullptr;
      setEnableSampleBufferCallback(false);
    }

  } // namespace av
} // namespace expo