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/*
* Copyright (C) 2014 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 "NdkMediaExtractor"
#include "NdkMediaExtractor.h"
#include "NdkMediaFormatPriv.h"
#include <utils/Log.h>
#include <utils/StrongPointer.h>
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/NuMediaExtractor.h>
#include <media/IMediaHTTPService.h>
#include <android_runtime/AndroidRuntime.h>
#include <android_util_Binder.h>
#include <jni.h>
using namespace android;
static int translate_error(status_t err) {
if (err == OK) {
return OK;
}
ALOGE("sf error code: %d", err);
return -1000;
}
struct AMediaExtractor {
sp<NuMediaExtractor> mImpl;
};
extern "C" {
AMediaExtractor* AMediaExtractor_new() {
ALOGV("ctor");
AMediaExtractor *mData = new AMediaExtractor();
mData->mImpl = new NuMediaExtractor();
return mData;
}
int AMediaExtractor_delete(AMediaExtractor *mData) {
ALOGV("dtor");
delete mData;
return OK;
}
int AMediaExtractor_setDataSourceFd(AMediaExtractor *mData, int fd, off64_t offset, off64_t length) {
ALOGV("setDataSource(%d, %lld, %lld)", fd, offset, length);
mData->mImpl->setDataSource(fd, offset, length);
return 0;
}
int AMediaExtractor_setDataSource(AMediaExtractor *mData, const char *location) {
ALOGV("setDataSource(%s)", location);
// TODO: add header support
JNIEnv *env = AndroidRuntime::getJNIEnv();
jobject service = NULL;
if (env == NULL) {
ALOGE("setDataSource(path) must be called from Java thread");
env->ExceptionClear();
return -1;
}
jclass mediahttpclass = env->FindClass("android/media/MediaHTTPService");
if (mediahttpclass == NULL) {
ALOGE("can't find MediaHttpService");
env->ExceptionClear();
return -1;
}
jmethodID mediaHttpCreateMethod = env->GetStaticMethodID(mediahttpclass,
"createHttpServiceBinderIfNecessary", "(Ljava/lang/String;)Landroid/os/IBinder;");
if (mediaHttpCreateMethod == NULL) {
ALOGE("can't find method");
env->ExceptionClear();
return -1;
}
jstring jloc = env->NewStringUTF(location);
service = env->CallStaticObjectMethod(mediahttpclass, mediaHttpCreateMethod, jloc);
env->DeleteLocalRef(jloc);
sp<IMediaHTTPService> httpService;
if (service != NULL) {
sp<IBinder> binder = ibinderForJavaObject(env, service);
httpService = interface_cast<IMediaHTTPService>(binder);
}
mData->mImpl->setDataSource(httpService, location, NULL);
env->ExceptionClear();
return 0;
}
int AMediaExtractor_getTrackCount(AMediaExtractor *mData) {
return mData->mImpl->countTracks();
}
AMediaFormat* AMediaExtractor_getTrackFormat(AMediaExtractor *mData, size_t idx) {
sp<AMessage> format;
mData->mImpl->getTrackFormat(idx, &format);
return AMediaFormat_fromMsg(&format);
}
int AMediaExtractor_selectTrack(AMediaExtractor *mData, size_t idx) {
ALOGV("selectTrack(%z)", idx);
return translate_error(mData->mImpl->selectTrack(idx));
}
int AMediaExtractor_unselectTrack(AMediaExtractor *mData, size_t idx) {
ALOGV("unselectTrack(%z)", idx);
return translate_error(mData->mImpl->unselectTrack(idx));
}
bool AMediaExtractor_advance(AMediaExtractor *mData) {
//ALOGV("advance");
return mData->mImpl->advance();
}
int AMediaExtractor_readSampleData(AMediaExtractor *mData, uint8_t *buffer, size_t capacity) {
//ALOGV("readSampleData");
sp<ABuffer> tmp = new ABuffer(buffer, capacity);
if (mData->mImpl->readSampleData(tmp) == OK) {
return tmp->size();
}
return -1;
}
int AMediaExtractor_getSampleFlags(AMediaExtractor *mData) {
int sampleFlags = 0;
sp<MetaData> meta;
status_t err = mData->mImpl->getSampleMeta(&meta);
if (err != OK) {
return -1;
}
int32_t val;
if (meta->findInt32(kKeyIsSyncFrame, &val) && val != 0) {
sampleFlags |= NuMediaExtractor::SAMPLE_FLAG_SYNC;
}
uint32_t type;
const void *data;
size_t size;
if (meta->findData(kKeyEncryptedSizes, &type, &data, &size)) {
sampleFlags |= NuMediaExtractor::SAMPLE_FLAG_ENCRYPTED;
}
return sampleFlags;
}
int AMediaExtractor_getSampleTrackIndex(AMediaExtractor *mData) {
size_t idx;
if (mData->mImpl->getSampleTrackIndex(&idx) != OK) {
return -1;
}
return idx;
}
int64_t AMediaExtractor_getSampletime(AMediaExtractor *mData) {
int64_t time;
if (mData->mImpl->getSampleTime(&time) != OK) {
return -1;
}
return time;
}
} // extern "C"
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