1 /* 2 * Copyright 2015, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "android_media_SyncParams.h" 18 19 #include <nativehelper/JNIHelp.h> 20 21 namespace android { 22 23 void SyncParams::fields_t::init(JNIEnv *env) { 24 jclass lclazz = env->FindClass("android/media/SyncParams"); 25 if (lclazz == NULL) { 26 return; 27 } 28 29 clazz = (jclass)env->NewGlobalRef(lclazz); 30 if (clazz == NULL) { 31 return; 32 } 33 34 constructID = env->GetMethodID(clazz, "<init>", "()V"); 35 36 sync_source = env->GetFieldID(clazz, "mSyncSource", "I"); 37 audio_adjust_mode = env->GetFieldID(clazz, "mAudioAdjustMode", "I"); 38 tolerance = env->GetFieldID(clazz, "mTolerance", "F"); 39 frame_rate = env->GetFieldID(clazz, "mFrameRate", "F"); 40 set = env->GetFieldID(clazz, "mSet", "I"); 41 42 set_sync_source = 43 env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_SYNC_SOURCE", "I")); 44 set_audio_adjust_mode = env->GetStaticIntField( 45 clazz, env->GetStaticFieldID(clazz, "SET_AUDIO_ADJUST_MODE", "I")); 46 set_tolerance = 47 env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_TOLERANCE", "I")); 48 set_frame_rate = 49 env->GetStaticIntField(clazz, env->GetStaticFieldID(clazz, "SET_FRAME_RATE", "I")); 50 51 env->DeleteLocalRef(lclazz); 52 } 53 54 void SyncParams::fields_t::exit(JNIEnv *env) { 55 env->DeleteGlobalRef(clazz); 56 clazz = NULL; 57 } 58 59 void SyncParams::fillFromJobject(JNIEnv *env, const fields_t& fields, jobject params) { 60 sync.mSource = (AVSyncSource)env->GetIntField(params, fields.sync_source); 61 sync.mAudioAdjustMode = (AVSyncAudioAdjustMode)env->GetIntField(params, fields.audio_adjust_mode); 62 sync.mTolerance = env->GetFloatField(params, fields.tolerance); 63 frameRate = env->GetFloatField(params, fields.frame_rate); 64 int set = env->GetIntField(params, fields.set); 65 66 syncSourceSet = set & fields.set_sync_source; 67 audioAdjustModeSet = set & fields.set_audio_adjust_mode; 68 toleranceSet = set & fields.set_tolerance; 69 frameRateSet = set & fields.set_frame_rate; 70 } 71 72 jobject SyncParams::asJobject(JNIEnv *env, const fields_t& fields) { 73 jobject params = env->NewObject(fields.clazz, fields.constructID); 74 if (params == NULL) { 75 return NULL; 76 } 77 env->SetIntField(params, fields.sync_source, (jint)sync.mSource); 78 env->SetIntField(params, fields.audio_adjust_mode, (jint)sync.mAudioAdjustMode); 79 env->SetFloatField(params, fields.tolerance, (jfloat)sync.mTolerance); 80 env->SetFloatField(params, fields.frame_rate, (jfloat)frameRate); 81 env->SetIntField( 82 params, fields.set, 83 (syncSourceSet ? fields.set_sync_source : 0) 84 | (audioAdjustModeSet ? fields.set_audio_adjust_mode : 0) 85 | (toleranceSet ? fields.set_tolerance : 0) 86 | (frameRateSet ? fields.set_frame_rate : 0)); 87 88 return params; 89 } 90 91 } // namespace android 92
