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/*
* Copyright 2017, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ANDROID_MEDIA_BUFFERING_PARAMS_H_
#define _ANDROID_MEDIA_BUFFERING_PARAMS_H_
#include <media/BufferingSettings.h>
namespace android {
// This entire class is inline
struct BufferingParams {
BufferingSettings settings;
struct fields_t {
jclass clazz;
jmethodID constructID;
jfieldID initial_buffering_mode;
jfieldID rebuffering_mode;
jfieldID initial_watermark_ms;
jfieldID initial_watermark_kb;
jfieldID rebuffering_watermark_low_ms;
jfieldID rebuffering_watermark_high_ms;
jfieldID rebuffering_watermark_low_kb;
jfieldID rebuffering_watermark_high_kb;
void init(JNIEnv *env) {
jclass lclazz = env->FindClass("android/media/BufferingParams");
if (lclazz == NULL) {
return;
}
clazz = (jclass)env->NewGlobalRef(lclazz);
if (clazz == NULL) {
return;
}
constructID = env->GetMethodID(clazz, "<init>", "()V");
initial_buffering_mode = env->GetFieldID(clazz, "mInitialBufferingMode", "I");
rebuffering_mode = env->GetFieldID(clazz, "mRebufferingMode", "I");
initial_watermark_ms = env->GetFieldID(clazz, "mInitialWatermarkMs", "I");
initial_watermark_kb = env->GetFieldID(clazz, "mInitialWatermarkKB", "I");
rebuffering_watermark_low_ms = env->GetFieldID(clazz, "mRebufferingWatermarkLowMs", "I");
rebuffering_watermark_high_ms = env->GetFieldID(clazz, "mRebufferingWatermarkHighMs", "I");
rebuffering_watermark_low_kb = env->GetFieldID(clazz, "mRebufferingWatermarkLowKB", "I");
rebuffering_watermark_high_kb = env->GetFieldID(clazz, "mRebufferingWatermarkHighKB", "I");
env->DeleteLocalRef(lclazz);
}
void exit(JNIEnv *env) {
env->DeleteGlobalRef(clazz);
clazz = NULL;
}
};
void fillFromJobject(JNIEnv *env, const fields_t& fields, jobject params) {
settings.mInitialBufferingMode =
(BufferingMode)env->GetIntField(params, fields.initial_buffering_mode);
settings.mRebufferingMode =
(BufferingMode)env->GetIntField(params, fields.rebuffering_mode);
settings.mInitialWatermarkMs =
env->GetIntField(params, fields.initial_watermark_ms);
settings.mInitialWatermarkKB =
env->GetIntField(params, fields.initial_watermark_kb);
settings.mRebufferingWatermarkLowMs =
env->GetIntField(params, fields.rebuffering_watermark_low_ms);
settings.mRebufferingWatermarkHighMs =
env->GetIntField(params, fields.rebuffering_watermark_high_ms);
settings.mRebufferingWatermarkLowKB =
env->GetIntField(params, fields.rebuffering_watermark_low_kb);
settings.mRebufferingWatermarkHighKB =
env->GetIntField(params, fields.rebuffering_watermark_high_kb);
}
jobject asJobject(JNIEnv *env, const fields_t& fields) {
jobject params = env->NewObject(fields.clazz, fields.constructID);
if (params == NULL) {
return NULL;
}
env->SetIntField(params, fields.initial_buffering_mode, (jint)settings.mInitialBufferingMode);
env->SetIntField(params, fields.rebuffering_mode, (jint)settings.mRebufferingMode);
env->SetIntField(params, fields.initial_watermark_ms, (jint)settings.mInitialWatermarkMs);
env->SetIntField(params, fields.initial_watermark_kb, (jint)settings.mInitialWatermarkKB);
env->SetIntField(params, fields.rebuffering_watermark_low_ms, (jint)settings.mRebufferingWatermarkLowMs);
env->SetIntField(params, fields.rebuffering_watermark_high_ms, (jint)settings.mRebufferingWatermarkHighMs);
env->SetIntField(params, fields.rebuffering_watermark_low_kb, (jint)settings.mRebufferingWatermarkLowKB);
env->SetIntField(params, fields.rebuffering_watermark_high_kb, (jint)settings.mRebufferingWatermarkHighKB);
return params;
}
};
} // namespace android
#endif // _ANDROID_MEDIA_BUFFERING_PARAMS_H_