Wei Jia | 23dfee5 | 2017-01-16 10:18:15 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017, 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 | #ifndef _ANDROID_MEDIA_BUFFERING_PARAMS_H_ |
| 18 | #define _ANDROID_MEDIA_BUFFERING_PARAMS_H_ |
| 19 | |
| 20 | #include <media/BufferingSettings.h> |
| 21 | |
| 22 | namespace android { |
| 23 | |
| 24 | // This entire class is inline |
| 25 | struct BufferingParams { |
| 26 | BufferingSettings settings; |
| 27 | |
| 28 | struct fields_t { |
| 29 | jclass clazz; |
| 30 | jmethodID constructID; |
| 31 | |
Wei Jia | 49ca725 | 2017-03-10 09:52:26 -0800 | [diff] [blame] | 32 | jfieldID initial_mark_ms; |
| 33 | jfieldID resume_playback_mark_ms; |
Wei Jia | 23dfee5 | 2017-01-16 10:18:15 -0800 | [diff] [blame] | 34 | |
| 35 | void init(JNIEnv *env) { |
| 36 | jclass lclazz = env->FindClass("android/media/BufferingParams"); |
| 37 | if (lclazz == NULL) { |
| 38 | return; |
| 39 | } |
| 40 | |
| 41 | clazz = (jclass)env->NewGlobalRef(lclazz); |
| 42 | if (clazz == NULL) { |
| 43 | return; |
| 44 | } |
| 45 | |
| 46 | constructID = env->GetMethodID(clazz, "<init>", "()V"); |
| 47 | |
Wei Jia | 49ca725 | 2017-03-10 09:52:26 -0800 | [diff] [blame] | 48 | initial_mark_ms = env->GetFieldID(clazz, "mInitialMarkMs", "I"); |
| 49 | resume_playback_mark_ms = env->GetFieldID(clazz, "mResumePlaybackMarkMs", "I"); |
Wei Jia | 23dfee5 | 2017-01-16 10:18:15 -0800 | [diff] [blame] | 50 | |
| 51 | env->DeleteLocalRef(lclazz); |
| 52 | } |
| 53 | |
| 54 | void exit(JNIEnv *env) { |
| 55 | env->DeleteGlobalRef(clazz); |
| 56 | clazz = NULL; |
| 57 | } |
| 58 | }; |
| 59 | |
| 60 | void fillFromJobject(JNIEnv *env, const fields_t& fields, jobject params) { |
Wei Jia | 49ca725 | 2017-03-10 09:52:26 -0800 | [diff] [blame] | 61 | settings.mInitialMarkMs = |
| 62 | env->GetIntField(params, fields.initial_mark_ms); |
| 63 | settings.mResumePlaybackMarkMs = |
| 64 | env->GetIntField(params, fields.resume_playback_mark_ms); |
Wei Jia | 23dfee5 | 2017-01-16 10:18:15 -0800 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | jobject asJobject(JNIEnv *env, const fields_t& fields) { |
| 68 | jobject params = env->NewObject(fields.clazz, fields.constructID); |
| 69 | if (params == NULL) { |
| 70 | return NULL; |
| 71 | } |
Wei Jia | 49ca725 | 2017-03-10 09:52:26 -0800 | [diff] [blame] | 72 | env->SetIntField(params, fields.initial_mark_ms, (jint)settings.mInitialMarkMs); |
| 73 | env->SetIntField(params, fields.resume_playback_mark_ms, (jint)settings.mResumePlaybackMarkMs); |
Wei Jia | 23dfee5 | 2017-01-16 10:18:15 -0800 | [diff] [blame] | 74 | |
| 75 | return params; |
| 76 | } |
| 77 | }; |
| 78 | |
| 79 | } // namespace android |
| 80 | |
| 81 | #endif // _ANDROID_MEDIA_BUFFERING_PARAMS_H_ |