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/*
* 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 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;
}
jint ret = MediaCodecList::getInstance()->findCodecByName(nameStr);
env->ReleaseStringUTFChars(name, nameStr);
return ret;
}
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;
uint32_t flags;
status_t err =
MediaCodecList::getInstance()->getCodecCapabilities(
index, typeStr, &profileLevels, &colorFormats, &flags);
env->ReleaseStringUTFChars(type, typeStr);
typeStr = NULL;
if (err != OK) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
return NULL;
}
jclass capsClazz =
env->FindClass("android/media/MediaCodecInfo$CodecCapabilities");
CHECK(capsClazz != NULL);
jfieldID flagsField =
env->GetFieldID(capsClazz, "flags", "I");
jobject caps = env->AllocObject(capsClazz);
jclass profileLevelClazz =
env->FindClass("android/media/MediaCodecInfo$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$CodecProfileLevel;");
env->SetObjectField(caps, profileLevelsField, profileLevelArray);
env->SetIntField(caps, flagsField, flags);
env->DeleteLocalRef(profileLevelArray);
profileLevelArray = NULL;
jintArray colorFormatsArray = env->NewIntArray(colorFormats.size());
for (size_t i = 0; i < colorFormats.size(); ++i) {
jint val = colorFormats.itemAt(i);
env->SetIntArrayRegion(colorFormatsArray, i, 1, &val);
}
jfieldID colorFormatsField = env->GetFieldID(
capsClazz, "colorFormats", "[I");
env->SetObjectField(caps, colorFormatsField, colorFormatsArray);
env->DeleteLocalRef(colorFormatsArray);
colorFormatsArray = NULL;
return caps;
}
static void android_media_MediaCodecList_native_init(JNIEnv *env) {
}
static JNINativeMethod gMethods[] = {
{ "getCodecCount", "()I", (void *)android_media_MediaCodecList_getCodecCount },
{ "getCodecName", "(I)Ljava/lang/String;",
(void *)android_media_MediaCodecList_getCodecName },
{ "isEncoder", "(I)Z", (void *)android_media_MediaCodecList_isEncoder },
{ "getSupportedTypes", "(I)[Ljava/lang/String;",
(void *)android_media_MediaCodecList_getSupportedTypes },
{ "getCodecCapabilities",
"(ILjava/lang/String;)Landroid/media/MediaCodecInfo$CodecCapabilities;",
(void *)android_media_MediaCodecList_getCodecCapabilities },
{ "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));
}
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