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      1 /*
      2  * Copyright (C) 2014 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 //#define LOG_NDEBUG 0
     18 #define LOG_TAG "NdkMediaMuxer"
     19 
     20 
     21 #include <media/NdkMediaMuxer.h>
     22 #include <media/NdkMediaCodec.h>
     23 #include "NdkMediaFormatPriv.h"
     24 
     25 
     26 #include <utils/Log.h>
     27 #include <utils/StrongPointer.h>
     28 #include <media/stagefright/foundation/ABuffer.h>
     29 #include <media/stagefright/foundation/AMessage.h>
     30 #include <media/stagefright/MediaMuxer.h>
     31 #include <media/IMediaHTTPService.h>
     32 #include <android_runtime/AndroidRuntime.h>
     33 #include <android_util_Binder.h>
     34 
     35 #include <jni.h>
     36 
     37 using namespace android;
     38 
     39 static media_status_t translate_error(status_t err) {
     40     if (err == OK) {
     41         return AMEDIA_OK;
     42     }
     43     ALOGE("sf error code: %d", err);
     44     return AMEDIA_ERROR_UNKNOWN;
     45 }
     46 
     47 struct AMediaMuxer {
     48     sp<MediaMuxer> mImpl;
     49 
     50 };
     51 
     52 extern "C" {
     53 
     54 EXPORT
     55 AMediaMuxer* AMediaMuxer_new(int fd, OutputFormat format) {
     56     ALOGV("ctor");
     57     AMediaMuxer *mData = new AMediaMuxer();
     58     mData->mImpl = new MediaMuxer(fd, (android::MediaMuxer::OutputFormat)format);
     59     return mData;
     60 }
     61 
     62 EXPORT
     63 media_status_t AMediaMuxer_delete(AMediaMuxer *muxer) {
     64     ALOGV("dtor");
     65     delete muxer;
     66     return AMEDIA_OK;
     67 }
     68 
     69 EXPORT
     70 media_status_t AMediaMuxer_setLocation(AMediaMuxer *muxer, float latitude, float longtitude) {
     71     return translate_error(muxer->mImpl->setLocation(latitude * 10000, longtitude * 10000));
     72 }
     73 
     74 EXPORT
     75 media_status_t AMediaMuxer_setOrientationHint(AMediaMuxer *muxer, int degrees) {
     76     return translate_error(muxer->mImpl->setOrientationHint(degrees));
     77 }
     78 
     79 EXPORT
     80 ssize_t AMediaMuxer_addTrack(AMediaMuxer *muxer, const AMediaFormat *format) {
     81     sp<AMessage> msg;
     82     AMediaFormat_getFormat(format, &msg);
     83     ssize_t ret = muxer->mImpl->addTrack(msg);
     84     return (ret >= 0) ? ret : translate_error(ret);
     85 }
     86 
     87 EXPORT
     88 media_status_t AMediaMuxer_start(AMediaMuxer *muxer) {
     89     return translate_error(muxer->mImpl->start());
     90 }
     91 
     92 EXPORT
     93 media_status_t AMediaMuxer_stop(AMediaMuxer *muxer) {
     94     return translate_error(muxer->mImpl->stop());
     95 }
     96 
     97 EXPORT
     98 media_status_t AMediaMuxer_writeSampleData(AMediaMuxer *muxer,
     99         size_t trackIdx, const uint8_t *data, const AMediaCodecBufferInfo *info) {
    100     sp<ABuffer> buf = new ABuffer((void*)(data + info->offset), info->size);
    101     return translate_error(
    102             muxer->mImpl->writeSampleData(buf, trackIdx, info->presentationTimeUs, info->flags));
    103 }
    104 
    105 
    106 } // extern "C"
    107 
    108