| /* |
| * 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/foundation/AMessage.h> |
| #include <media/stagefright/MediaCodecList.h> |
| #include <media/IMediaCodecList.h> |
| #include <media/MediaCodecInfo.h> |
| |
| #include "android_runtime/AndroidRuntime.h" |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "android_media_Utils.h" |
| |
| using namespace android; |
| |
| static sp<IMediaCodecList> getCodecList(JNIEnv *env) { |
| sp<IMediaCodecList> mcl = MediaCodecList::getInstance(); |
| if (mcl == NULL) { |
| // This should never happen unless something is really wrong |
| jniThrowException( |
| env, "java/lang/RuntimeException", "cannot get MediaCodecList"); |
| } |
| return mcl; |
| } |
| |
| static jint android_media_MediaCodecList_getCodecCount( |
| JNIEnv *env, jobject /* thiz */) { |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return 0; |
| } |
| return mcl->countCodecs(); |
| } |
| |
| static jstring android_media_MediaCodecList_getCodecName( |
| JNIEnv *env, jobject /* thiz */, jint index) { |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return NULL; |
| } |
| |
| const sp<MediaCodecInfo> &info = mcl->getCodecInfo(index); |
| if (info == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| const char *name = info->getCodecName(); |
| return env->NewStringUTF(name); |
| } |
| |
| static jint android_media_MediaCodecList_findCodecByName( |
| JNIEnv *env, jobject /* thiz */, jstring name) { |
| if (name == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return -ENOENT; |
| } |
| |
| const char *nameStr = env->GetStringUTFChars(name, NULL); |
| if (nameStr == NULL) { |
| // Out of memory exception already pending. |
| return -ENOENT; |
| } |
| |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| env->ReleaseStringUTFChars(name, nameStr); |
| return -ENOENT; |
| } |
| |
| jint ret = mcl->findCodecByName(nameStr); |
| env->ReleaseStringUTFChars(name, nameStr); |
| return ret; |
| } |
| |
| static jboolean android_media_MediaCodecList_isEncoder( |
| JNIEnv *env, jobject /* thiz */, jint index) { |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return false; |
| } |
| |
| const sp<MediaCodecInfo> &info = mcl->getCodecInfo(index); |
| if (info == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return false; |
| } |
| |
| return info->isEncoder(); |
| } |
| |
| static jarray android_media_MediaCodecList_getSupportedTypes( |
| JNIEnv *env, jobject /* thiz */, jint index) { |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return NULL; |
| } |
| |
| const sp<MediaCodecInfo> &info = mcl->getCodecInfo(index); |
| if (info == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| Vector<AString> types; |
| info->getSupportedMimes(&types); |
| |
| 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; |
| } |
| |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return NULL; |
| } |
| |
| const sp<MediaCodecInfo> &info = mcl->getCodecInfo(index); |
| if (info == 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<MediaCodecInfo::ProfileLevel> profileLevels; |
| Vector<uint32_t> colorFormats; |
| |
| sp<AMessage> defaultFormat = new AMessage(); |
| defaultFormat->setString("mime", typeStr); |
| |
| // TODO query default-format also from codec/codec list |
| const sp<MediaCodecInfo::Capabilities> &capabilities = |
| info->getCapabilitiesFor(typeStr); |
| env->ReleaseStringUTFChars(type, typeStr); |
| typeStr = NULL; |
| if (capabilities == NULL) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| return NULL; |
| } |
| |
| capabilities->getSupportedColorFormats(&colorFormats); |
| capabilities->getSupportedProfileLevels(&profileLevels); |
| uint32_t flags = capabilities->getFlags(); |
| sp<AMessage> details = capabilities->getDetails(); |
| bool isEncoder = info->isEncoder(); |
| |
| jobject defaultFormatObj = NULL; |
| if (ConvertMessageToMap(env, defaultFormat, &defaultFormatObj)) { |
| return NULL; |
| } |
| |
| jobject infoObj = NULL; |
| if (ConvertMessageToMap(env, details, &infoObj)) { |
| env->DeleteLocalRef(defaultFormatObj); |
| return NULL; |
| } |
| |
| jclass capsClazz = |
| env->FindClass("android/media/MediaCodecInfo$CodecCapabilities"); |
| CHECK(capsClazz != NULL); |
| |
| jclass profileLevelClazz = |
| env->FindClass("android/media/MediaCodecInfo$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 MediaCodecInfo::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; |
| } |
| |
| 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); |
| } |
| |
| jmethodID capsConstructID = env->GetMethodID(capsClazz, "<init>", |
| "([Landroid/media/MediaCodecInfo$CodecProfileLevel;[IZI" |
| "Ljava/util/Map;Ljava/util/Map;)V"); |
| |
| jobject caps = env->NewObject(capsClazz, capsConstructID, |
| profileLevelArray, colorFormatsArray, isEncoder, flags, |
| defaultFormatObj, infoObj); |
| |
| env->DeleteLocalRef(profileLevelArray); |
| profileLevelArray = NULL; |
| |
| env->DeleteLocalRef(colorFormatsArray); |
| colorFormatsArray = NULL; |
| |
| env->DeleteLocalRef(defaultFormatObj); |
| defaultFormatObj = NULL; |
| |
| env->DeleteLocalRef(infoObj); |
| infoObj = NULL; |
| |
| return caps; |
| } |
| |
| static jobject android_media_MediaCodecList_getGlobalSettings(JNIEnv *env, jobject /* thiz */) { |
| sp<IMediaCodecList> mcl = getCodecList(env); |
| if (mcl == NULL) { |
| // Runtime exception already pending. |
| return NULL; |
| } |
| |
| const sp<AMessage> settings = mcl->getGlobalSettings(); |
| if (settings == NULL) { |
| jniThrowException(env, "java/lang/RuntimeException", "cannot get global settings"); |
| return NULL; |
| } |
| |
| jobject settingsObj = NULL; |
| if (ConvertMessageToMap(env, settings, &settingsObj)) { |
| return NULL; |
| } |
| |
| return settingsObj; |
| } |
| |
| static void android_media_MediaCodecList_native_init(JNIEnv* /* env */) { |
| } |
| |
| static const JNINativeMethod gMethods[] = { |
| { "native_getCodecCount", "()I", (void *)android_media_MediaCodecList_getCodecCount }, |
| { "getCodecName", "(I)Ljava/lang/String;", |
| (void *)android_media_MediaCodecList_getCodecName }, |
| { "isEncoder", "(I)Z", (void *)android_media_MediaCodecList_isEncoder }, |
| { "getSupportedTypes", "(I)[Ljava/lang/String;", |
| (void *)android_media_MediaCodecList_getSupportedTypes }, |
| |
| { "getCodecCapabilities", |
| "(ILjava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;", |
| (void *)android_media_MediaCodecList_getCodecCapabilities }, |
| |
| { "native_getGlobalSettings", |
| "()Ljava/util/Map;", |
| (void *)android_media_MediaCodecList_getGlobalSettings }, |
| |
| { "findCodecByName", "(Ljava/lang/String;)I", |
| (void *)android_media_MediaCodecList_findCodecByName }, |
| |
| { "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)); |
| } |
| |