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- // Copyright 2015 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "media/midi/midi_input_port_android.h"
- #include "base/android/jni_array.h"
- #include "base/time/time.h"
- #include "media/midi/midi_jni_headers/MidiInputPortAndroid_jni.h"
- using base::android::JavaParamRef;
- namespace midi {
- MidiInputPortAndroid::MidiInputPortAndroid(JNIEnv* env,
- jobject raw,
- Delegate* delegate)
- : raw_port_(env, raw), delegate_(delegate) {}
- MidiInputPortAndroid::~MidiInputPortAndroid() {
- Close();
- }
- bool MidiInputPortAndroid::Open() {
- JNIEnv* env = base::android::AttachCurrentThread();
- return Java_MidiInputPortAndroid_open(env, raw_port_,
- reinterpret_cast<jlong>(this));
- }
- void MidiInputPortAndroid::Close() {
- JNIEnv* env = base::android::AttachCurrentThread();
- Java_MidiInputPortAndroid_close(env, raw_port_);
- }
- void MidiInputPortAndroid::OnData(JNIEnv* env,
- const JavaParamRef<jbyteArray>& data,
- jint offset,
- jint size,
- jlong timestamp) {
- std::vector<uint8_t> bytes;
- base::android::JavaByteArrayToByteVector(env, data, &bytes);
- if (size == 0) {
- return;
- }
- // TimeTick's internal value is in microseconds, |timestamp| is in
- // nanoseconds. Both are monotonic.
- base::TimeTicks timestamp_to_pass = base::TimeTicks::FromInternalValue(
- timestamp / base::TimeTicks::kNanosecondsPerMicrosecond);
- delegate_->OnReceivedData(this, &bytes[offset], size, timestamp_to_pass);
- }
- } // namespace midi
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