92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
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/*
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* Copyright 2015, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "android_media_SyncParams.h"
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#include <nativehelper/JNIHelp.h>
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namespace android {
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void SyncParams::fields_t::init(JNIEnv *env) {
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jclass lclazz = env->FindClass("android/media/SyncParams");
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if (lclazz == NULL) {
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return;
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}
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clazz = (jclass)env->NewGlobalRef(lclazz);
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if (clazz == NULL) {
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return;
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}
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constructID = env->GetMethodID(clazz, "<init>", "()V");
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sync_source = env->GetFieldID(clazz, "mSyncSource", "I");
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audio_adjust_mode = env->GetFieldID(clazz, "mAudioAdjustMode", "I");
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tolerance = env->GetFieldID(clazz, "mTolerance", "F");
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frame_rate = env->GetFieldID(clazz, "mFrameRate", "F");
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set = env->GetFieldID(clazz, "mSet", "I");
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set_sync_source =
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env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_SYNC_SOURCE", "I"));
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set_audio_adjust_mode = env->GetStaticIntField(
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clazz, env->GetStaticFieldID(clazz, "SET_AUDIO_ADJUST_MODE", "I"));
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set_tolerance =
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env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_TOLERANCE", "I"));
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set_frame_rate =
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env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_FRAME_RATE", "I"));
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env->DeleteLocalRef(lclazz);
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}
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void SyncParams::fields_t::exit(JNIEnv *env) {
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env->DeleteGlobalRef(clazz);
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clazz = NULL;
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}
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void SyncParams::fillFromJobject(JNIEnv *env, const fields_t& fields, jobject params) {
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sync.mSource = (AVSyncSource)env->GetIntField(params, fields.sync_source);
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sync.mAudioAdjustMode = (AVSyncAudioAdjustMode)env->GetIntField(params, fields.audio_adjust_mode);
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sync.mTolerance = env->GetFloatField(params, fields.tolerance);
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frameRate = env->GetFloatField(params, fields.frame_rate);
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int set = env->GetIntField(params, fields.set);
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syncSourceSet = set & fields.set_sync_source;
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audioAdjustModeSet = set & fields.set_audio_adjust_mode;
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toleranceSet = set & fields.set_tolerance;
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frameRateSet = set & fields.set_frame_rate;
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}
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jobject SyncParams::asJobject(JNIEnv *env, const fields_t& fields) {
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jobject params = env->NewObject(fields.clazz, fields.constructID);
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if (params == NULL) {
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return NULL;
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}
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env->SetIntField(params, fields.sync_source, (jint)sync.mSource);
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env->SetIntField(params, fields.audio_adjust_mode, (jint)sync.mAudioAdjustMode);
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env->SetFloatField(params, fields.tolerance, (jfloat)sync.mTolerance);
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env->SetFloatField(params, fields.frame_rate, (jfloat)frameRate);
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env->SetIntField(
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params, fields.set,
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(syncSourceSet ? fields.set_sync_source : 0)
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| (audioAdjustModeSet ? fields.set_audio_adjust_mode : 0)
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| (toleranceSet ? fields.set_tolerance : 0)
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| (frameRateSet ? fields.set_frame_rate : 0));
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return params;
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}
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} // namespace android
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