| /* |
| * Copyright 2012, 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. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "MediaCodec-JNI" |
| #include <utils/Log.h> |
| |
| #include <media/stagefright/foundation/ADebug.h> |
| #include <media/stagefright/MediaCodecList.h> |
| |
| #include "android_runtime/AndroidRuntime.h" |
| #include "jni.h" |
| #include "JNIHelp.h" |
| |
| using namespace android; |
| |
| static jint android_media_MediaCodecList_getCodecCount( |
| JNIEnv *env, jobject thiz) { |
| return MediaCodecList::getInstance()->countCodecs(); |
| } |
| |
| static jstring android_media_MediaCodecList_getCodecName( |
| JNIEnv *env, jobject thiz, jint index) { |
| const char *name = MediaCodecList::getInstance()->getCodecName(index); |
| |
| if (name == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| return env->NewStringUTF(name); |
| } |
| |
| static jboolean android_media_MediaCodecList_isEncoder( |
| JNIEnv *env, jobject thiz, jint index) { |
| return MediaCodecList::getInstance()->isEncoder(index); |
| } |
| |
| static jarray android_media_MediaCodecList_getSupportedTypes( |
| JNIEnv *env, jobject thiz, jint index) { |
| Vector<AString> types; |
| status_t err = |
| MediaCodecList::getInstance()->getSupportedTypes(index, &types); |
| |
| if (err != OK) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| jclass clazz = env->FindClass("java/lang/String"); |
| CHECK(clazz != NULL); |
| |
| jobjectArray array = env->NewObjectArray(types.size(), clazz, NULL); |
| |
| for (size_t i = 0; i < types.size(); ++i) { |
| jstring obj = env->NewStringUTF(types.itemAt(i).c_str()); |
| env->SetObjectArrayElement(array, i, obj); |
| env->DeleteLocalRef(obj); |
| obj = NULL; |
| } |
| |
| return array; |
| } |
| |
| static jobject android_media_MediaCodecList_getCodecCapabilities( |
| JNIEnv *env, jobject thiz, jint index, jstring type) { |
| if (type == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| const char *typeStr = env->GetStringUTFChars(type, NULL); |
| |
| if (typeStr == NULL) { |
| // Out of memory exception already pending. |
| return NULL; |
| } |
| |
| Vector<MediaCodecList::ProfileLevel> profileLevels; |
| Vector<uint32_t> colorFormats; |
| |
| status_t err = |
| MediaCodecList::getInstance()->getCodecCapabilities( |
| index, typeStr, &profileLevels, &colorFormats); |
| |
| env->ReleaseStringUTFChars(type, typeStr); |
| typeStr = NULL; |
| |
| if (err != OK) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| jclass capsClazz = |
| env->FindClass("android/media/MediaCodecInfo$CodecCapabilities"); |
| CHECK(capsClazz != NULL); |
| |
| jobject caps = env->AllocObject(capsClazz); |
| |
| jclass profileLevelClazz = |
| env->FindClass("android/media/MediaCodecInfo$CodecProfileLevel"); |
| CHECK(profileLevelClazz != NULL); |
| |
| jobjectArray profileLevelArray = |
| env->NewObjectArray(profileLevels.size(), profileLevelClazz, NULL); |
| |
| jfieldID profileField = |
| env->GetFieldID(profileLevelClazz, "profile", "I"); |
| |
| jfieldID levelField = |
| env->GetFieldID(profileLevelClazz, "level", "I"); |
| |
| for (size_t i = 0; i < profileLevels.size(); ++i) { |
| const MediaCodecList::ProfileLevel &src = profileLevels.itemAt(i); |
| |
| jobject profileLevelObj = env->AllocObject(profileLevelClazz); |
| |
| env->SetIntField(profileLevelObj, profileField, src.mProfile); |
| env->SetIntField(profileLevelObj, levelField, src.mLevel); |
| |
| env->SetObjectArrayElement(profileLevelArray, i, profileLevelObj); |
| |
| env->DeleteLocalRef(profileLevelObj); |
| profileLevelObj = NULL; |
| } |
| |
| jfieldID profileLevelsField = env->GetFieldID( |
| capsClazz, |
| "profileLevels", |
| "[Landroid/media/MediaCodecInfo$CodecProfileLevel;"); |
| |
| env->SetObjectField(caps, profileLevelsField, profileLevelArray); |
| |
| env->DeleteLocalRef(profileLevelArray); |
| profileLevelArray = NULL; |
| |
| jintArray colorFormatsArray = env->NewIntArray(colorFormats.size()); |
| |
| for (size_t i = 0; i < colorFormats.size(); ++i) { |
| jint val = colorFormats.itemAt(i); |
| env->SetIntArrayRegion(colorFormatsArray, i, 1, &val); |
| } |
| |
| jfieldID colorFormatsField = env->GetFieldID( |
| capsClazz, "colorFormats", "[I"); |
| |
| env->SetObjectField(caps, colorFormatsField, colorFormatsArray); |
| |
| env->DeleteLocalRef(colorFormatsArray); |
| colorFormatsArray = NULL; |
| |
| return caps; |
| } |
| |
| static void android_media_MediaCodecList_native_init(JNIEnv *env) { |
| } |
| |
| static JNINativeMethod gMethods[] = { |
| { "getCodecCount", "()I", (void *)android_media_MediaCodecList_getCodecCount }, |
| { "getCodecName", "(I)Ljava/lang/String;", |
| (void *)android_media_MediaCodecList_getCodecName }, |
| { "isEncoder", "(I)Z", (void *)android_media_MediaCodecList_isEncoder }, |
| { "getSupportedTypes", "(I)[Ljava/lang/String;", |
| (void *)android_media_MediaCodecList_getSupportedTypes }, |
| |
| { "getCodecCapabilities", |
| "(ILjava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;", |
| (void *)android_media_MediaCodecList_getCodecCapabilities }, |
| |
| { "native_init", "()V", (void *)android_media_MediaCodecList_native_init }, |
| }; |
| |
| int register_android_media_MediaCodecList(JNIEnv *env) { |
| return AndroidRuntime::registerNativeMethods(env, |
| "android/media/MediaCodecList", gMethods, NELEM(gMethods)); |
| } |
| |