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      1 /*
      2  * Copyright 2017, 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 "NdkWrapper"
     19 
     20 #include <media/NdkWrapper.h>
     21 
     22 #include <android/native_window.h>
     23 #include <log/log.h>
     24 #include <media/NdkMediaCodec.h>
     25 #include <media/NdkMediaCrypto.h>
     26 #include <media/NdkMediaDrm.h>
     27 #include <media/NdkMediaFormat.h>
     28 #include <media/NdkMediaExtractor.h>
     29 #include <media/stagefright/MetaData.h>
     30 #include <media/stagefright/foundation/ABuffer.h>
     31 #include <media/stagefright/foundation/AMessage.h>
     32 #include <utils/Errors.h>
     33 
     34 // TODO: remove forward declaration when AMediaExtractor_disconnect is offcially added to NDK
     35 
     36 #ifdef __cplusplus
     37 extern "C" {
     38 #endif
     39 
     40 media_status_t AMediaExtractor_disconnect(AMediaExtractor *);
     41 
     42 #ifdef __cplusplus
     43 } // extern "C"
     44 #endif
     45 
     46 namespace android {
     47 
     48 static const size_t kAESBlockSize = 16;  // AES_BLOCK_SIZE
     49 
     50 static const char *AMediaFormatKeyGroupInt32[] = {
     51     AMEDIAFORMAT_KEY_AAC_DRC_ATTENUATION_FACTOR,
     52     AMEDIAFORMAT_KEY_AAC_DRC_BOOST_FACTOR,
     53     AMEDIAFORMAT_KEY_AAC_DRC_HEAVY_COMPRESSION,
     54     AMEDIAFORMAT_KEY_AAC_DRC_TARGET_REFERENCE_LEVEL,
     55     AMEDIAFORMAT_KEY_AAC_ENCODED_TARGET_LEVEL,
     56     AMEDIAFORMAT_KEY_AAC_MAX_OUTPUT_CHANNEL_COUNT,
     57     AMEDIAFORMAT_KEY_AAC_PROFILE,
     58     AMEDIAFORMAT_KEY_AAC_SBR_MODE,
     59     AMEDIAFORMAT_KEY_AUDIO_SESSION_ID,
     60     AMEDIAFORMAT_KEY_BITRATE_MODE,
     61     AMEDIAFORMAT_KEY_BIT_RATE,
     62     AMEDIAFORMAT_KEY_CAPTURE_RATE,
     63     AMEDIAFORMAT_KEY_CHANNEL_COUNT,
     64     AMEDIAFORMAT_KEY_CHANNEL_MASK,
     65     AMEDIAFORMAT_KEY_COLOR_FORMAT,
     66     AMEDIAFORMAT_KEY_COLOR_RANGE,
     67     AMEDIAFORMAT_KEY_COLOR_STANDARD,
     68     AMEDIAFORMAT_KEY_COLOR_TRANSFER,
     69     AMEDIAFORMAT_KEY_COMPLEXITY,
     70     AMEDIAFORMAT_KEY_FLAC_COMPRESSION_LEVEL,
     71     AMEDIAFORMAT_KEY_GRID_COLUMNS,
     72     AMEDIAFORMAT_KEY_GRID_ROWS,
     73     AMEDIAFORMAT_KEY_HEIGHT,
     74     AMEDIAFORMAT_KEY_INTRA_REFRESH_PERIOD,
     75     AMEDIAFORMAT_KEY_IS_ADTS,
     76     AMEDIAFORMAT_KEY_IS_AUTOSELECT,
     77     AMEDIAFORMAT_KEY_IS_DEFAULT,
     78     AMEDIAFORMAT_KEY_IS_FORCED_SUBTITLE,
     79     AMEDIAFORMAT_KEY_LATENCY,
     80     AMEDIAFORMAT_KEY_LEVEL,
     81     AMEDIAFORMAT_KEY_MAX_HEIGHT,
     82     AMEDIAFORMAT_KEY_MAX_INPUT_SIZE,
     83     AMEDIAFORMAT_KEY_MAX_WIDTH,
     84     AMEDIAFORMAT_KEY_PCM_ENCODING,
     85     AMEDIAFORMAT_KEY_PRIORITY,
     86     AMEDIAFORMAT_KEY_PROFILE,
     87     AMEDIAFORMAT_KEY_PUSH_BLANK_BUFFERS_ON_STOP,
     88     AMEDIAFORMAT_KEY_ROTATION,
     89     AMEDIAFORMAT_KEY_SAMPLE_RATE,
     90     AMEDIAFORMAT_KEY_SLICE_HEIGHT,
     91     AMEDIAFORMAT_KEY_STRIDE,
     92     AMEDIAFORMAT_KEY_TRACK_ID,
     93     AMEDIAFORMAT_KEY_WIDTH,
     94     AMEDIAFORMAT_KEY_DISPLAY_HEIGHT,
     95     AMEDIAFORMAT_KEY_DISPLAY_WIDTH,
     96     AMEDIAFORMAT_KEY_TEMPORAL_LAYER_ID,
     97     AMEDIAFORMAT_KEY_TILE_HEIGHT,
     98     AMEDIAFORMAT_KEY_TILE_WIDTH,
     99     AMEDIAFORMAT_KEY_TRACK_INDEX,
    100 };
    101 
    102 static const char *AMediaFormatKeyGroupInt64[] = {
    103     AMEDIAFORMAT_KEY_DURATION,
    104     AMEDIAFORMAT_KEY_REPEAT_PREVIOUS_FRAME_AFTER,
    105     AMEDIAFORMAT_KEY_TIME_US,
    106 };
    107 
    108 static const char *AMediaFormatKeyGroupString[] = {
    109     AMEDIAFORMAT_KEY_LANGUAGE,
    110     AMEDIAFORMAT_KEY_MIME,
    111     AMEDIAFORMAT_KEY_TEMPORAL_LAYERING,
    112 };
    113 
    114 static const char *AMediaFormatKeyGroupBuffer[] = {
    115     AMEDIAFORMAT_KEY_HDR_STATIC_INFO,
    116     AMEDIAFORMAT_KEY_SEI,
    117     AMEDIAFORMAT_KEY_MPEG_USER_DATA,
    118 };
    119 
    120 static const char *AMediaFormatKeyGroupCsd[] = {
    121     AMEDIAFORMAT_KEY_CSD_0,
    122     AMEDIAFORMAT_KEY_CSD_1,
    123     AMEDIAFORMAT_KEY_CSD_2,
    124 };
    125 
    126 static const char *AMediaFormatKeyGroupRect[] = {
    127     AMEDIAFORMAT_KEY_DISPLAY_CROP,
    128 };
    129 
    130 static const char *AMediaFormatKeyGroupFloatInt32[] = {
    131     AMEDIAFORMAT_KEY_FRAME_RATE,
    132     AMEDIAFORMAT_KEY_I_FRAME_INTERVAL,
    133     AMEDIAFORMAT_KEY_OPERATING_RATE,
    134 };
    135 
    136 static status_t translateErrorCode(media_status_t err) {
    137     if (err == AMEDIA_OK) {
    138         return OK;
    139     } else if (err == AMEDIA_ERROR_END_OF_STREAM) {
    140         return ERROR_END_OF_STREAM;
    141     } else if (err == AMEDIA_ERROR_IO) {
    142         return ERROR_IO;
    143     } else if (err == AMEDIACODEC_INFO_TRY_AGAIN_LATER) {
    144         return -EAGAIN;
    145     }
    146 
    147     ALOGE("ndk error code: %d", err);
    148     return UNKNOWN_ERROR;
    149 }
    150 
    151 static int32_t translateActionCode(int32_t actionCode) {
    152     if (AMediaCodecActionCode_isTransient(actionCode)) {
    153         return ACTION_CODE_TRANSIENT;
    154     } else if (AMediaCodecActionCode_isRecoverable(actionCode)) {
    155         return ACTION_CODE_RECOVERABLE;
    156     }
    157     return ACTION_CODE_FATAL;
    158 }
    159 
    160 static CryptoPlugin::Mode translateToCryptoPluginMode(cryptoinfo_mode_t mode) {
    161     CryptoPlugin::Mode ret = CryptoPlugin::kMode_Unencrypted;
    162     switch (mode) {
    163         case AMEDIACODECRYPTOINFO_MODE_AES_CTR: {
    164             ret = CryptoPlugin::kMode_AES_CTR;
    165             break;
    166         }
    167 
    168         case AMEDIACODECRYPTOINFO_MODE_AES_WV: {
    169             ret = CryptoPlugin::kMode_AES_WV;
    170             break;
    171         }
    172 
    173         case AMEDIACODECRYPTOINFO_MODE_AES_CBC: {
    174             ret = CryptoPlugin::kMode_AES_CBC;
    175             break;
    176         }
    177 
    178         default:
    179             break;
    180     }
    181 
    182     return ret;
    183 }
    184 
    185 static cryptoinfo_mode_t translateToCryptoInfoMode(CryptoPlugin::Mode mode) {
    186     cryptoinfo_mode_t ret = AMEDIACODECRYPTOINFO_MODE_CLEAR;
    187     switch (mode) {
    188         case CryptoPlugin::kMode_AES_CTR: {
    189             ret = AMEDIACODECRYPTOINFO_MODE_AES_CTR;
    190             break;
    191         }
    192 
    193         case CryptoPlugin::kMode_AES_WV: {
    194             ret = AMEDIACODECRYPTOINFO_MODE_AES_WV;
    195             break;
    196         }
    197 
    198         case CryptoPlugin::kMode_AES_CBC: {
    199             ret = AMEDIACODECRYPTOINFO_MODE_AES_CBC;
    200             break;
    201         }
    202 
    203         default:
    204             break;
    205     }
    206 
    207     return ret;
    208 }
    209 
    210 //////////// AMediaFormatWrapper
    211 // static
    212 sp<AMediaFormatWrapper> AMediaFormatWrapper::Create(const sp<AMessage> &message) {
    213     sp<AMediaFormatWrapper> aMediaFormat = new AMediaFormatWrapper();
    214 
    215     for (size_t i = 0; i < message->countEntries(); ++i) {
    216         AMessage::Type valueType;
    217         const char *key = message->getEntryNameAt(i, &valueType);
    218 
    219         switch (valueType) {
    220             case AMessage::kTypeInt32: {
    221                 int32_t val;
    222                 if (!message->findInt32(key, &val)) {
    223                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    224                     continue;
    225                 }
    226                 aMediaFormat->setInt32(key, val);
    227                 break;
    228             }
    229 
    230             case AMessage::kTypeInt64: {
    231                 int64_t val;
    232                 if (!message->findInt64(key, &val)) {
    233                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    234                     continue;
    235                 }
    236                 aMediaFormat->setInt64(key, val);
    237                 break;
    238             }
    239 
    240             case AMessage::kTypeFloat: {
    241                 float val;
    242                 if (!message->findFloat(key, &val)) {
    243                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    244                     continue;
    245                 }
    246                 aMediaFormat->setFloat(key, val);
    247                 break;
    248             }
    249 
    250             case AMessage::kTypeDouble: {
    251                 double val;
    252                 if (!message->findDouble(key, &val)) {
    253                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    254                     continue;
    255                 }
    256                 aMediaFormat->setDouble(key, val);
    257                 break;
    258             }
    259 
    260             case AMessage::kTypeSize: {
    261                 size_t val;
    262                 if (!message->findSize(key, &val)) {
    263                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    264                     continue;
    265                 }
    266                 aMediaFormat->setSize(key, val);
    267                 break;
    268             }
    269 
    270             case AMessage::kTypeRect: {
    271                 int32_t left, top, right, bottom;
    272                 if (!message->findRect(key, &left, &top, &right, &bottom)) {
    273                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    274                     continue;
    275                 }
    276                 aMediaFormat->setRect(key, left, top, right, bottom);
    277                 break;
    278             }
    279 
    280             case AMessage::kTypeString: {
    281                 AString val;
    282                 if (!message->findString(key, &val)) {
    283                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    284                     continue;
    285                 }
    286                 aMediaFormat->setString(key, val);
    287                 break;
    288             }
    289 
    290             case AMessage::kTypeBuffer: {
    291                 sp<ABuffer> val;
    292                 if (!message->findBuffer(key, &val)) {
    293                     ALOGE("AMediaFormatWrapper::Create: error at item %zu", i);
    294                     continue;
    295                 }
    296                 aMediaFormat->setBuffer(key, val->data(), val->size());
    297                 break;
    298             }
    299 
    300             default: {
    301                 break;
    302             }
    303         }
    304     }
    305 
    306     return aMediaFormat;
    307 }
    308 
    309 AMediaFormatWrapper::AMediaFormatWrapper() {
    310     mAMediaFormat = AMediaFormat_new();
    311 }
    312 
    313 AMediaFormatWrapper::AMediaFormatWrapper(AMediaFormat *aMediaFormat)
    314     : mAMediaFormat(aMediaFormat) {
    315 }
    316 
    317 AMediaFormatWrapper::~AMediaFormatWrapper() {
    318     release();
    319 }
    320 
    321 status_t AMediaFormatWrapper::release() {
    322     if (mAMediaFormat != NULL) {
    323         media_status_t err = AMediaFormat_delete(mAMediaFormat);
    324         mAMediaFormat = NULL;
    325         return translateErrorCode(err);
    326     }
    327     return OK;
    328 }
    329 
    330 AMediaFormat *AMediaFormatWrapper::getAMediaFormat() const {
    331     return mAMediaFormat;
    332 }
    333 
    334 sp<AMessage> AMediaFormatWrapper::toAMessage() const {
    335   sp<AMessage> msg;
    336   writeToAMessage(msg);
    337   return msg;
    338 }
    339 
    340 void AMediaFormatWrapper::writeToAMessage(sp<AMessage> &msg) const {
    341     if (mAMediaFormat == NULL) {
    342         msg = NULL;
    343     }
    344 
    345     if (msg == NULL) {
    346         msg = new AMessage;
    347     }
    348     for (auto& key : AMediaFormatKeyGroupInt32) {
    349         int32_t val;
    350         if (getInt32(key, &val)) {
    351             msg->setInt32(key, val);
    352         }
    353     }
    354     for (auto& key : AMediaFormatKeyGroupInt64) {
    355         int64_t val;
    356         if (getInt64(key, &val)) {
    357             msg->setInt64(key, val);
    358         }
    359     }
    360     for (auto& key : AMediaFormatKeyGroupString) {
    361         AString val;
    362         if (getString(key, &val)) {
    363             msg->setString(key, val);
    364         }
    365     }
    366     for (auto& key : AMediaFormatKeyGroupBuffer) {
    367         void *data;
    368         size_t size;
    369         if (getBuffer(key, &data, &size)) {
    370             sp<ABuffer> buffer = ABuffer::CreateAsCopy(data, size);
    371             msg->setBuffer(key, buffer);
    372         }
    373     }
    374     for (auto& key : AMediaFormatKeyGroupCsd) {
    375         void *data;
    376         size_t size;
    377         if (getBuffer(key, &data, &size)) {
    378             sp<ABuffer> buffer = ABuffer::CreateAsCopy(data, size);
    379             buffer->meta()->setInt32(AMEDIAFORMAT_KEY_CSD, 1);
    380             buffer->meta()->setInt64(AMEDIAFORMAT_KEY_TIME_US, 0);
    381             msg->setBuffer(key, buffer);
    382         }
    383     }
    384     for (auto& key : AMediaFormatKeyGroupRect) {
    385         int32_t left, top, right, bottom;
    386         if (getRect(key, &left, &top, &right, &bottom)) {
    387             msg->setRect(key, left, top, right, bottom);
    388         }
    389     }
    390     for (auto& key : AMediaFormatKeyGroupFloatInt32) {
    391         float valFloat;
    392         if (getFloat(key, &valFloat)) {
    393             msg->setFloat(key, valFloat);
    394         } else {
    395             int32_t valInt32;
    396             if (getInt32(key, &valInt32)) {
    397                 msg->setFloat(key, (float)valInt32);
    398             }
    399         }
    400     }
    401 }
    402 
    403 const char* AMediaFormatWrapper::toString() const {
    404     if (mAMediaFormat == NULL) {
    405         return NULL;
    406     }
    407     return AMediaFormat_toString(mAMediaFormat);
    408 }
    409 
    410 bool AMediaFormatWrapper::getInt32(const char *name, int32_t *out) const {
    411     if (mAMediaFormat == NULL) {
    412         return false;
    413     }
    414     return AMediaFormat_getInt32(mAMediaFormat, name, out);
    415 }
    416 
    417 bool AMediaFormatWrapper::getInt64(const char *name, int64_t *out) const {
    418     if (mAMediaFormat == NULL) {
    419         return false;
    420     }
    421     return AMediaFormat_getInt64(mAMediaFormat, name, out);
    422 }
    423 
    424 bool AMediaFormatWrapper::getFloat(const char *name, float *out) const {
    425     if (mAMediaFormat == NULL) {
    426         return false;
    427     }
    428     return AMediaFormat_getFloat(mAMediaFormat, name, out);
    429 }
    430 
    431 bool AMediaFormatWrapper::getDouble(const char *name, double *out) const {
    432     if (mAMediaFormat == NULL) {
    433         return false;
    434     }
    435     return AMediaFormat_getDouble(mAMediaFormat, name, out);
    436 }
    437 
    438 bool AMediaFormatWrapper::getSize(const char *name, size_t *out) const {
    439     if (mAMediaFormat == NULL) {
    440         return false;
    441     }
    442     return AMediaFormat_getSize(mAMediaFormat, name, out);
    443 }
    444 
    445 bool AMediaFormatWrapper::getRect(
    446         const char *name, int32_t *left, int32_t *top, int32_t *right, int32_t *bottom) const {
    447     if (mAMediaFormat == NULL) {
    448         return false;
    449     }
    450     return AMediaFormat_getRect(mAMediaFormat, name, left, top, right, bottom);
    451 }
    452 
    453 bool AMediaFormatWrapper::getBuffer(const char *name, void** data, size_t *outSize) const {
    454     if (mAMediaFormat == NULL) {
    455         return false;
    456     }
    457     return AMediaFormat_getBuffer(mAMediaFormat, name, data, outSize);
    458 }
    459 
    460 bool AMediaFormatWrapper::getString(const char *name, AString *out) const {
    461     if (mAMediaFormat == NULL) {
    462         return false;
    463     }
    464     const char *outChar = NULL;
    465     bool ret = AMediaFormat_getString(mAMediaFormat, name, &outChar);
    466     if (ret) {
    467         *out = AString(outChar);
    468     }
    469     return ret;
    470 }
    471 
    472 void AMediaFormatWrapper::setInt32(const char* name, int32_t value) {
    473     if (mAMediaFormat != NULL) {
    474         AMediaFormat_setInt32(mAMediaFormat, name, value);
    475     }
    476 }
    477 
    478 void AMediaFormatWrapper::setInt64(const char* name, int64_t value) {
    479     if (mAMediaFormat != NULL) {
    480         AMediaFormat_setInt64(mAMediaFormat, name, value);
    481     }
    482 }
    483 
    484 void AMediaFormatWrapper::setFloat(const char* name, float value) {
    485     if (mAMediaFormat != NULL) {
    486         AMediaFormat_setFloat(mAMediaFormat, name, value);
    487     }
    488 }
    489 
    490 void AMediaFormatWrapper::setDouble(const char* name, double value) {
    491     if (mAMediaFormat != NULL) {
    492         AMediaFormat_setDouble(mAMediaFormat, name, value);
    493     }
    494 }
    495 
    496 void AMediaFormatWrapper::setSize(const char* name, size_t value) {
    497     if (mAMediaFormat != NULL) {
    498         AMediaFormat_setSize(mAMediaFormat, name, value);
    499     }
    500 }
    501 
    502 void AMediaFormatWrapper::setRect(
    503         const char* name, int32_t left, int32_t top, int32_t right, int32_t bottom) {
    504     if (mAMediaFormat != NULL) {
    505         AMediaFormat_setRect(mAMediaFormat, name, left, top, right, bottom);
    506     }
    507 }
    508 
    509 void AMediaFormatWrapper::setString(const char* name, const AString &value) {
    510     if (mAMediaFormat != NULL) {
    511         AMediaFormat_setString(mAMediaFormat, name, value.c_str());
    512     }
    513 }
    514 
    515 void AMediaFormatWrapper::setBuffer(const char* name, void* data, size_t size) {
    516     if (mAMediaFormat != NULL) {
    517         AMediaFormat_setBuffer(mAMediaFormat, name, data, size);
    518     }
    519 }
    520 
    521 
    522 //////////// ANativeWindowWrapper
    523 ANativeWindowWrapper::ANativeWindowWrapper(ANativeWindow *aNativeWindow)
    524     : mANativeWindow(aNativeWindow) {
    525     if (aNativeWindow != NULL) {
    526         ANativeWindow_acquire(aNativeWindow);
    527     }
    528 }
    529 
    530 ANativeWindowWrapper::~ANativeWindowWrapper() {
    531     release();
    532 }
    533 
    534 status_t ANativeWindowWrapper::release() {
    535     if (mANativeWindow != NULL) {
    536         ANativeWindow_release(mANativeWindow);
    537         mANativeWindow = NULL;
    538     }
    539     return OK;
    540 }
    541 
    542 ANativeWindow *ANativeWindowWrapper::getANativeWindow() const {
    543     return mANativeWindow;
    544 }
    545 
    546 
    547 //////////// AMediaDrmWrapper
    548 AMediaDrmWrapper::AMediaDrmWrapper(const uint8_t uuid[16]) {
    549     mAMediaDrm = AMediaDrm_createByUUID(uuid);
    550 }
    551 
    552 AMediaDrmWrapper::AMediaDrmWrapper(AMediaDrm *aMediaDrm)
    553     : mAMediaDrm(aMediaDrm) {
    554 }
    555 
    556 AMediaDrmWrapper::~AMediaDrmWrapper() {
    557     release();
    558 }
    559 
    560 status_t AMediaDrmWrapper::release() {
    561     if (mAMediaDrm != NULL) {
    562         AMediaDrm_release(mAMediaDrm);
    563         mAMediaDrm = NULL;
    564     }
    565     return OK;
    566 }
    567 
    568 AMediaDrm *AMediaDrmWrapper::getAMediaDrm() const {
    569     return mAMediaDrm;
    570 }
    571 
    572 // static
    573 bool AMediaDrmWrapper::isCryptoSchemeSupported(
    574         const uint8_t uuid[16],
    575         const char *mimeType) {
    576     return AMediaDrm_isCryptoSchemeSupported(uuid, mimeType);
    577 }
    578 
    579 
    580 //////////// AMediaCryptoWrapper
    581 AMediaCryptoWrapper::AMediaCryptoWrapper(
    582         const uint8_t uuid[16], const void *initData, size_t initDataSize) {
    583     mAMediaCrypto = AMediaCrypto_new(uuid, initData, initDataSize);
    584 }
    585 
    586 AMediaCryptoWrapper::AMediaCryptoWrapper(AMediaCrypto *aMediaCrypto)
    587     : mAMediaCrypto(aMediaCrypto) {
    588 }
    589 
    590 AMediaCryptoWrapper::~AMediaCryptoWrapper() {
    591     release();
    592 }
    593 
    594 status_t AMediaCryptoWrapper::release() {
    595     if (mAMediaCrypto != NULL) {
    596         AMediaCrypto_delete(mAMediaCrypto);
    597         mAMediaCrypto = NULL;
    598     }
    599     return OK;
    600 }
    601 
    602 AMediaCrypto *AMediaCryptoWrapper::getAMediaCrypto() const {
    603     return mAMediaCrypto;
    604 }
    605 
    606 bool AMediaCryptoWrapper::isCryptoSchemeSupported(const uint8_t uuid[16]) {
    607     if (mAMediaCrypto == NULL) {
    608         return false;
    609     }
    610     return AMediaCrypto_isCryptoSchemeSupported(uuid);
    611 }
    612 
    613 bool AMediaCryptoWrapper::requiresSecureDecoderComponent(const char *mime) {
    614     if (mAMediaCrypto == NULL) {
    615         return false;
    616     }
    617     return AMediaCrypto_requiresSecureDecoderComponent(mime);
    618 }
    619 
    620 
    621 //////////// AMediaCodecCryptoInfoWrapper
    622 // static
    623 sp<AMediaCodecCryptoInfoWrapper> AMediaCodecCryptoInfoWrapper::Create(MetaDataBase &meta) {
    624 
    625     uint32_t type;
    626     const void *crypteddata;
    627     size_t cryptedsize;
    628 
    629     if (!meta.findData(kKeyEncryptedSizes, &type, &crypteddata, &cryptedsize)) {
    630         return NULL;
    631     }
    632 
    633     int numSubSamples = cryptedsize / sizeof(size_t);
    634 
    635     if (numSubSamples <= 0) {
    636         ALOGE("Create: INVALID numSubSamples: %d", numSubSamples);
    637         return NULL;
    638     }
    639 
    640     const void *cleardata;
    641     size_t clearsize;
    642     if (meta.findData(kKeyPlainSizes, &type, &cleardata, &clearsize)) {
    643         if (clearsize != cryptedsize) {
    644             // The two must be of the same length.
    645             ALOGE("Create: mismatch cryptedsize: %zu != clearsize: %zu", cryptedsize, clearsize);
    646             return NULL;
    647         }
    648     }
    649 
    650     const void *key;
    651     size_t keysize;
    652     if (meta.findData(kKeyCryptoKey, &type, &key, &keysize)) {
    653         if (keysize != kAESBlockSize) {
    654             // Keys must be 16 bytes in length.
    655             ALOGE("Create: Keys must be %zu bytes in length: %zu", kAESBlockSize, keysize);
    656             return NULL;
    657         }
    658     }
    659 
    660     const void *iv;
    661     size_t ivsize;
    662     if (meta.findData(kKeyCryptoIV, &type, &iv, &ivsize)) {
    663         if (ivsize != kAESBlockSize) {
    664             // IVs must be 16 bytes in length.
    665             ALOGE("Create: IV must be %zu bytes in length: %zu", kAESBlockSize, ivsize);
    666             return NULL;
    667         }
    668     }
    669 
    670     int32_t mode;
    671     if (!meta.findInt32(kKeyCryptoMode, &mode)) {
    672         mode = CryptoPlugin::kMode_AES_CTR;
    673     }
    674 
    675     return new AMediaCodecCryptoInfoWrapper(
    676             numSubSamples,
    677             (uint8_t*) key,
    678             (uint8_t*) iv,
    679             (CryptoPlugin::Mode)mode,
    680             (size_t*) cleardata,
    681             (size_t*) crypteddata);
    682 }
    683 
    684 AMediaCodecCryptoInfoWrapper::AMediaCodecCryptoInfoWrapper(
    685         int numsubsamples,
    686         uint8_t key[16],
    687         uint8_t iv[16],
    688         CryptoPlugin::Mode mode,
    689         size_t *clearbytes,
    690         size_t *encryptedbytes) {
    691     mAMediaCodecCryptoInfo =
    692         AMediaCodecCryptoInfo_new(numsubsamples,
    693                                   key,
    694                                   iv,
    695                                   translateToCryptoInfoMode(mode),
    696                                   clearbytes,
    697                                   encryptedbytes);
    698 }
    699 
    700 AMediaCodecCryptoInfoWrapper::AMediaCodecCryptoInfoWrapper(
    701         AMediaCodecCryptoInfo *aMediaCodecCryptoInfo)
    702     : mAMediaCodecCryptoInfo(aMediaCodecCryptoInfo) {
    703 }
    704 
    705 AMediaCodecCryptoInfoWrapper::~AMediaCodecCryptoInfoWrapper() {
    706     release();
    707 }
    708 
    709 status_t AMediaCodecCryptoInfoWrapper::release() {
    710     if (mAMediaCodecCryptoInfo != NULL) {
    711         media_status_t err = AMediaCodecCryptoInfo_delete(mAMediaCodecCryptoInfo);
    712         mAMediaCodecCryptoInfo = NULL;
    713         return translateErrorCode(err);
    714     }
    715     return OK;
    716 }
    717 
    718 AMediaCodecCryptoInfo *AMediaCodecCryptoInfoWrapper::getAMediaCodecCryptoInfo() const {
    719     return mAMediaCodecCryptoInfo;
    720 }
    721 
    722 void AMediaCodecCryptoInfoWrapper::setPattern(CryptoPlugin::Pattern *pattern) {
    723     if (mAMediaCodecCryptoInfo == NULL || pattern == NULL) {
    724         return;
    725     }
    726     cryptoinfo_pattern_t ndkPattern = {(int32_t)pattern->mEncryptBlocks,
    727                                        (int32_t)pattern->mSkipBlocks };
    728     return AMediaCodecCryptoInfo_setPattern(mAMediaCodecCryptoInfo, &ndkPattern);
    729 }
    730 
    731 size_t AMediaCodecCryptoInfoWrapper::getNumSubSamples() {
    732     if (mAMediaCodecCryptoInfo == NULL) {
    733         return 0;
    734     }
    735     return AMediaCodecCryptoInfo_getNumSubSamples(mAMediaCodecCryptoInfo);
    736 }
    737 
    738 status_t AMediaCodecCryptoInfoWrapper::getKey(uint8_t *dst) {
    739     if (mAMediaCodecCryptoInfo == NULL) {
    740         return DEAD_OBJECT;
    741     }
    742     if (dst == NULL) {
    743         return BAD_VALUE;
    744     }
    745     return translateErrorCode(
    746         AMediaCodecCryptoInfo_getKey(mAMediaCodecCryptoInfo, dst));
    747 }
    748 
    749 status_t AMediaCodecCryptoInfoWrapper::getIV(uint8_t *dst) {
    750     if (mAMediaCodecCryptoInfo == NULL) {
    751         return DEAD_OBJECT;
    752     }
    753     if (dst == NULL) {
    754         return BAD_VALUE;
    755     }
    756     return translateErrorCode(
    757         AMediaCodecCryptoInfo_getIV(mAMediaCodecCryptoInfo, dst));
    758 }
    759 
    760 CryptoPlugin::Mode AMediaCodecCryptoInfoWrapper::getMode() {
    761     if (mAMediaCodecCryptoInfo == NULL) {
    762         return CryptoPlugin::kMode_Unencrypted;
    763     }
    764     return translateToCryptoPluginMode(
    765         AMediaCodecCryptoInfo_getMode(mAMediaCodecCryptoInfo));
    766 }
    767 
    768 status_t AMediaCodecCryptoInfoWrapper::getClearBytes(size_t *dst) {
    769     if (mAMediaCodecCryptoInfo == NULL) {
    770         return DEAD_OBJECT;
    771     }
    772     if (dst == NULL) {
    773         return BAD_VALUE;
    774     }
    775     return translateErrorCode(
    776         AMediaCodecCryptoInfo_getClearBytes(mAMediaCodecCryptoInfo, dst));
    777 }
    778 
    779 status_t AMediaCodecCryptoInfoWrapper::getEncryptedBytes(size_t *dst) {
    780     if (mAMediaCodecCryptoInfo == NULL) {
    781         return DEAD_OBJECT;
    782     }
    783     if (dst == NULL) {
    784         return BAD_VALUE;
    785     }
    786     return translateErrorCode(
    787         AMediaCodecCryptoInfo_getEncryptedBytes(mAMediaCodecCryptoInfo, dst));
    788 }
    789 
    790 
    791 //////////// AMediaCodecWrapper
    792 // static
    793 sp<AMediaCodecWrapper> AMediaCodecWrapper::CreateCodecByName(const AString &name) {
    794     AMediaCodec *aMediaCodec = AMediaCodec_createCodecByName(name.c_str());
    795     return new AMediaCodecWrapper(aMediaCodec);
    796 }
    797 
    798 // static
    799 sp<AMediaCodecWrapper> AMediaCodecWrapper::CreateDecoderByType(const AString &mimeType) {
    800     AMediaCodec *aMediaCodec = AMediaCodec_createDecoderByType(mimeType.c_str());
    801     return new AMediaCodecWrapper(aMediaCodec);
    802 }
    803 
    804 // static
    805 void AMediaCodecWrapper::OnInputAvailableCB(
    806         AMediaCodec * /* aMediaCodec */,
    807         void *userdata,
    808         int32_t index) {
    809     ALOGV("OnInputAvailableCB: index(%d)", index);
    810     sp<AMessage> msg = sp<AMessage>((AMessage *)userdata)->dup();
    811     msg->setInt32("callbackID", CB_INPUT_AVAILABLE);
    812     msg->setInt32("index", index);
    813     msg->post();
    814 }
    815 
    816 // static
    817 void AMediaCodecWrapper::OnOutputAvailableCB(
    818         AMediaCodec * /* aMediaCodec */,
    819         void *userdata,
    820         int32_t index,
    821         AMediaCodecBufferInfo *bufferInfo) {
    822     ALOGV("OnOutputAvailableCB: index(%d), (%d, %d, %lld, 0x%x)",
    823           index, bufferInfo->offset, bufferInfo->size,
    824           (long long)bufferInfo->presentationTimeUs, bufferInfo->flags);
    825     sp<AMessage> msg = sp<AMessage>((AMessage *)userdata)->dup();
    826     msg->setInt32("callbackID", CB_OUTPUT_AVAILABLE);
    827     msg->setInt32("index", index);
    828     msg->setSize("offset", (size_t)(bufferInfo->offset));
    829     msg->setSize("size", (size_t)(bufferInfo->size));
    830     msg->setInt64("timeUs", bufferInfo->presentationTimeUs);
    831     msg->setInt32("flags", (int32_t)(bufferInfo->flags));
    832     msg->post();
    833 }
    834 
    835 // static
    836 void AMediaCodecWrapper::OnFormatChangedCB(
    837         AMediaCodec * /* aMediaCodec */,
    838         void *userdata,
    839         AMediaFormat *format) {
    840     sp<AMediaFormatWrapper> formatWrapper = new AMediaFormatWrapper(format);
    841     sp<AMessage> outputFormat = formatWrapper->toAMessage();
    842     ALOGV("OnFormatChangedCB: format(%s)", outputFormat->debugString().c_str());
    843 
    844     sp<AMessage> msg = sp<AMessage>((AMessage *)userdata)->dup();
    845     msg->setInt32("callbackID", CB_OUTPUT_FORMAT_CHANGED);
    846     msg->setMessage("format", outputFormat);
    847     msg->post();
    848 }
    849 
    850 // static
    851 void AMediaCodecWrapper::OnErrorCB(
    852         AMediaCodec * /* aMediaCodec */,
    853         void *userdata,
    854         media_status_t err,
    855         int32_t actionCode,
    856         const char *detail) {
    857     ALOGV("OnErrorCB: err(%d), actionCode(%d), detail(%s)", err, actionCode, detail);
    858     sp<AMessage> msg = sp<AMessage>((AMessage *)userdata)->dup();
    859     msg->setInt32("callbackID", CB_ERROR);
    860     msg->setInt32("err", translateErrorCode(err));
    861     msg->setInt32("actionCode", translateActionCode(actionCode));
    862     msg->setString("detail", detail);
    863     msg->post();
    864 }
    865 
    866 AMediaCodecWrapper::AMediaCodecWrapper(AMediaCodec *aMediaCodec)
    867     : mAMediaCodec(aMediaCodec) {
    868 }
    869 
    870 AMediaCodecWrapper::~AMediaCodecWrapper() {
    871     release();
    872 }
    873 
    874 status_t AMediaCodecWrapper::release() {
    875     if (mAMediaCodec != NULL) {
    876         AMediaCodecOnAsyncNotifyCallback aCB = {};
    877         AMediaCodec_setAsyncNotifyCallback(mAMediaCodec, aCB, NULL);
    878         mCallback = NULL;
    879 
    880         media_status_t err = AMediaCodec_delete(mAMediaCodec);
    881         mAMediaCodec = NULL;
    882         return translateErrorCode(err);
    883     }
    884     return OK;
    885 }
    886 
    887 AMediaCodec *AMediaCodecWrapper::getAMediaCodec() const {
    888     return mAMediaCodec;
    889 }
    890 
    891 status_t AMediaCodecWrapper::getName(AString *outComponentName) const {
    892     if (mAMediaCodec == NULL) {
    893         return DEAD_OBJECT;
    894     }
    895     char *name = NULL;
    896     media_status_t err = AMediaCodec_getName(mAMediaCodec, &name);
    897     if (err != AMEDIA_OK) {
    898         return translateErrorCode(err);
    899     }
    900 
    901     *outComponentName = AString(name);
    902     AMediaCodec_releaseName(mAMediaCodec, name);
    903     return OK;
    904 }
    905 
    906 status_t AMediaCodecWrapper::configure(
    907     const sp<AMediaFormatWrapper> &format,
    908     const sp<ANativeWindowWrapper> &nww,
    909     const sp<AMediaCryptoWrapper> &crypto,
    910     uint32_t flags) {
    911     if (mAMediaCodec == NULL) {
    912         return DEAD_OBJECT;
    913     }
    914 
    915     media_status_t err = AMediaCodec_configure(
    916             mAMediaCodec,
    917             format->getAMediaFormat(),
    918             (nww == NULL ? NULL : nww->getANativeWindow()),
    919             crypto == NULL ? NULL : crypto->getAMediaCrypto(),
    920             flags);
    921 
    922     return translateErrorCode(err);
    923 }
    924 
    925 status_t AMediaCodecWrapper::setCallback(const sp<AMessage> &callback) {
    926     if (mAMediaCodec == NULL) {
    927         return DEAD_OBJECT;
    928     }
    929 
    930     mCallback = callback;
    931 
    932     AMediaCodecOnAsyncNotifyCallback aCB = {
    933         OnInputAvailableCB,
    934         OnOutputAvailableCB,
    935         OnFormatChangedCB,
    936         OnErrorCB
    937     };
    938 
    939     return translateErrorCode(
    940             AMediaCodec_setAsyncNotifyCallback(mAMediaCodec, aCB, callback.get()));
    941 }
    942 
    943 status_t AMediaCodecWrapper::releaseCrypto() {
    944     if (mAMediaCodec == NULL) {
    945         return DEAD_OBJECT;
    946     }
    947     return translateErrorCode(AMediaCodec_releaseCrypto(mAMediaCodec));
    948 }
    949 
    950 status_t AMediaCodecWrapper::start() {
    951     if (mAMediaCodec == NULL) {
    952         return DEAD_OBJECT;
    953     }
    954     return translateErrorCode(AMediaCodec_start(mAMediaCodec));
    955 }
    956 
    957 status_t AMediaCodecWrapper::stop() {
    958     if (mAMediaCodec == NULL) {
    959         return DEAD_OBJECT;
    960     }
    961     return translateErrorCode(AMediaCodec_stop(mAMediaCodec));
    962 }
    963 
    964 status_t AMediaCodecWrapper::flush() {
    965     if (mAMediaCodec == NULL) {
    966         return DEAD_OBJECT;
    967     }
    968     return translateErrorCode(AMediaCodec_flush(mAMediaCodec));
    969 }
    970 
    971 uint8_t* AMediaCodecWrapper::getInputBuffer(size_t idx, size_t *out_size) {
    972     if (mAMediaCodec == NULL) {
    973         return NULL;
    974     }
    975     return AMediaCodec_getInputBuffer(mAMediaCodec, idx, out_size);
    976 }
    977 
    978 uint8_t* AMediaCodecWrapper::getOutputBuffer(size_t idx, size_t *out_size) {
    979     if (mAMediaCodec == NULL) {
    980         return NULL;
    981     }
    982     return AMediaCodec_getOutputBuffer(mAMediaCodec, idx, out_size);
    983 }
    984 
    985 status_t AMediaCodecWrapper::queueInputBuffer(
    986         size_t idx,
    987         size_t offset,
    988         size_t size,
    989         uint64_t time,
    990         uint32_t flags) {
    991     if (mAMediaCodec == NULL) {
    992         return DEAD_OBJECT;
    993     }
    994     return translateErrorCode(
    995         AMediaCodec_queueInputBuffer(mAMediaCodec, idx, offset, size, time, flags));
    996 }
    997 
    998 status_t AMediaCodecWrapper::queueSecureInputBuffer(
    999         size_t idx,
   1000         size_t offset,
   1001         sp<AMediaCodecCryptoInfoWrapper> &codecCryptoInfo,
   1002         uint64_t time,
   1003         uint32_t flags) {
   1004     if (mAMediaCodec == NULL) {
   1005         return DEAD_OBJECT;
   1006     }
   1007     return translateErrorCode(
   1008         AMediaCodec_queueSecureInputBuffer(
   1009             mAMediaCodec,
   1010             idx,
   1011             offset,
   1012             codecCryptoInfo->getAMediaCodecCryptoInfo(),
   1013             time,
   1014             flags));
   1015 }
   1016 
   1017 sp<AMediaFormatWrapper> AMediaCodecWrapper::getOutputFormat() {
   1018     if (mAMediaCodec == NULL) {
   1019         return NULL;
   1020     }
   1021     return new AMediaFormatWrapper(AMediaCodec_getOutputFormat(mAMediaCodec));
   1022 }
   1023 
   1024 sp<AMediaFormatWrapper> AMediaCodecWrapper::getInputFormat() {
   1025     if (mAMediaCodec == NULL) {
   1026         return NULL;
   1027     }
   1028     return new AMediaFormatWrapper(AMediaCodec_getInputFormat(mAMediaCodec));
   1029 }
   1030 
   1031 status_t AMediaCodecWrapper::releaseOutputBuffer(size_t idx, bool render) {
   1032     if (mAMediaCodec == NULL) {
   1033         return DEAD_OBJECT;
   1034     }
   1035     return translateErrorCode(
   1036         AMediaCodec_releaseOutputBuffer(mAMediaCodec, idx, render));
   1037 }
   1038 
   1039 status_t AMediaCodecWrapper::setOutputSurface(const sp<ANativeWindowWrapper> &nww) {
   1040     if (mAMediaCodec == NULL) {
   1041         return DEAD_OBJECT;
   1042     }
   1043     return translateErrorCode(
   1044         AMediaCodec_setOutputSurface(mAMediaCodec,
   1045                                      (nww == NULL ? NULL : nww->getANativeWindow())));
   1046 }
   1047 
   1048 status_t AMediaCodecWrapper::releaseOutputBufferAtTime(size_t idx, int64_t timestampNs) {
   1049     if (mAMediaCodec == NULL) {
   1050         return DEAD_OBJECT;
   1051     }
   1052     return translateErrorCode(
   1053         AMediaCodec_releaseOutputBufferAtTime(mAMediaCodec, idx, timestampNs));
   1054 }
   1055 
   1056 status_t AMediaCodecWrapper::setParameters(const sp<AMediaFormatWrapper> &params) {
   1057     if (mAMediaCodec == NULL) {
   1058         return DEAD_OBJECT;
   1059     }
   1060     return translateErrorCode(
   1061         AMediaCodec_setParameters(mAMediaCodec, params->getAMediaFormat()));
   1062 }
   1063 
   1064 //////////// AMediaExtractorWrapper
   1065 
   1066 AMediaExtractorWrapper::AMediaExtractorWrapper(AMediaExtractor *aMediaExtractor)
   1067     : mAMediaExtractor(aMediaExtractor) {
   1068 }
   1069 
   1070 AMediaExtractorWrapper::~AMediaExtractorWrapper() {
   1071     release();
   1072 }
   1073 
   1074 status_t AMediaExtractorWrapper::release() {
   1075     if (mAMediaExtractor != NULL) {
   1076         media_status_t err = AMediaExtractor_delete(mAMediaExtractor);
   1077         mAMediaExtractor = NULL;
   1078         return translateErrorCode(err);
   1079     }
   1080     return OK;
   1081 }
   1082 
   1083 status_t AMediaExtractorWrapper::disconnect() {
   1084     if (mAMediaExtractor != NULL) {
   1085         media_status_t err = AMediaExtractor_disconnect(mAMediaExtractor);
   1086         return translateErrorCode(err);
   1087     }
   1088     return DEAD_OBJECT;
   1089 }
   1090 
   1091 AMediaExtractor *AMediaExtractorWrapper::getAMediaExtractor() const {
   1092     return mAMediaExtractor;
   1093 }
   1094 
   1095 status_t AMediaExtractorWrapper::setDataSource(int fd, off64_t offset, off64_t length) {
   1096     if (mAMediaExtractor == NULL) {
   1097         return DEAD_OBJECT;
   1098     }
   1099     return translateErrorCode(AMediaExtractor_setDataSourceFd(
   1100             mAMediaExtractor, fd, offset, length));
   1101 }
   1102 
   1103 status_t AMediaExtractorWrapper::setDataSource(const char *location) {
   1104     if (mAMediaExtractor == NULL) {
   1105         return DEAD_OBJECT;
   1106     }
   1107     return translateErrorCode(AMediaExtractor_setDataSource(mAMediaExtractor, location));
   1108 }
   1109 
   1110 status_t AMediaExtractorWrapper::setDataSource(AMediaDataSource *source) {
   1111     if (mAMediaExtractor == NULL) {
   1112         return DEAD_OBJECT;
   1113     }
   1114     return translateErrorCode(AMediaExtractor_setDataSourceCustom(mAMediaExtractor, source));
   1115 }
   1116 
   1117 size_t AMediaExtractorWrapper::getTrackCount() {
   1118     if (mAMediaExtractor == NULL) {
   1119         return 0;
   1120     }
   1121     return AMediaExtractor_getTrackCount(mAMediaExtractor);
   1122 }
   1123 
   1124 sp<AMediaFormatWrapper> AMediaExtractorWrapper::getFormat() {
   1125     if (mAMediaExtractor == NULL) {
   1126         return NULL;
   1127     }
   1128     return new AMediaFormatWrapper(AMediaExtractor_getFileFormat(mAMediaExtractor));
   1129 }
   1130 
   1131 sp<AMediaFormatWrapper> AMediaExtractorWrapper::getTrackFormat(size_t idx) {
   1132     if (mAMediaExtractor == NULL) {
   1133         return NULL;
   1134     }
   1135     return new AMediaFormatWrapper(AMediaExtractor_getTrackFormat(mAMediaExtractor, idx));
   1136 }
   1137 
   1138 status_t AMediaExtractorWrapper::selectTrack(size_t idx) {
   1139     if (mAMediaExtractor == NULL) {
   1140         return DEAD_OBJECT;
   1141     }
   1142     return translateErrorCode(AMediaExtractor_selectTrack(mAMediaExtractor, idx));
   1143 }
   1144 
   1145 status_t AMediaExtractorWrapper::unselectTrack(size_t idx) {
   1146     if (mAMediaExtractor == NULL) {
   1147         return DEAD_OBJECT;
   1148     }
   1149     return translateErrorCode(AMediaExtractor_unselectTrack(mAMediaExtractor, idx));
   1150 }
   1151 
   1152 status_t AMediaExtractorWrapper::selectSingleTrack(size_t idx) {
   1153     if (mAMediaExtractor == NULL) {
   1154         return DEAD_OBJECT;
   1155     }
   1156     for (size_t i = 0; i < AMediaExtractor_getTrackCount(mAMediaExtractor); ++i) {
   1157         if (i == idx) {
   1158             media_status_t err = AMediaExtractor_selectTrack(mAMediaExtractor, i);
   1159             if (err != AMEDIA_OK) {
   1160                 return translateErrorCode(err);
   1161             }
   1162         } else {
   1163             media_status_t err = AMediaExtractor_unselectTrack(mAMediaExtractor, i);
   1164             if (err != AMEDIA_OK) {
   1165                 return translateErrorCode(err);
   1166             }
   1167         }
   1168     }
   1169     return OK;
   1170 }
   1171 
   1172 ssize_t AMediaExtractorWrapper::readSampleData(const sp<ABuffer> &buffer) {
   1173     if (mAMediaExtractor == NULL) {
   1174         return -1;
   1175     }
   1176     return AMediaExtractor_readSampleData(mAMediaExtractor, buffer->data(), buffer->capacity());
   1177 }
   1178 
   1179 ssize_t AMediaExtractorWrapper::getSampleSize() {
   1180     if (mAMediaExtractor == NULL) {
   1181         return 0;
   1182     }
   1183     return AMediaExtractor_getSampleSize(mAMediaExtractor);
   1184 }
   1185 
   1186 uint32_t AMediaExtractorWrapper::getSampleFlags() {
   1187     if (mAMediaExtractor == NULL) {
   1188         return 0;
   1189     }
   1190     return AMediaExtractor_getSampleFlags(mAMediaExtractor);
   1191 }
   1192 
   1193 int AMediaExtractorWrapper::getSampleTrackIndex() {
   1194     if (mAMediaExtractor == NULL) {
   1195         return -1;
   1196     }
   1197     return AMediaExtractor_getSampleTrackIndex(mAMediaExtractor);
   1198 }
   1199 
   1200 int64_t AMediaExtractorWrapper::getSampleTime() {
   1201     if (mAMediaExtractor == NULL) {
   1202         return -1;
   1203     }
   1204     return AMediaExtractor_getSampleTime(mAMediaExtractor);
   1205 }
   1206 
   1207 status_t AMediaExtractorWrapper::getSampleFormat(sp<AMediaFormatWrapper> &formatWrapper) {
   1208     if (mAMediaExtractor == NULL) {
   1209         return DEAD_OBJECT;
   1210     }
   1211     AMediaFormat *format = AMediaFormat_new();
   1212     formatWrapper = new AMediaFormatWrapper(format);
   1213     return translateErrorCode(AMediaExtractor_getSampleFormat(mAMediaExtractor, format));
   1214 }
   1215 
   1216 int64_t AMediaExtractorWrapper::getCachedDuration() {
   1217     if (mAMediaExtractor == NULL) {
   1218         return -1;
   1219     }
   1220     return AMediaExtractor_getCachedDuration(mAMediaExtractor);
   1221 }
   1222 
   1223 bool AMediaExtractorWrapper::advance() {
   1224     if (mAMediaExtractor == NULL) {
   1225         return false;
   1226     }
   1227     return AMediaExtractor_advance(mAMediaExtractor);
   1228 }
   1229 
   1230 status_t AMediaExtractorWrapper::seekTo(int64_t seekPosUs, MediaSource::ReadOptions::SeekMode mode) {
   1231     if (mAMediaExtractor == NULL) {
   1232         return DEAD_OBJECT;
   1233     }
   1234 
   1235     SeekMode aMode;
   1236     switch (mode) {
   1237         case MediaSource::ReadOptions::SEEK_PREVIOUS_SYNC: {
   1238             aMode = AMEDIAEXTRACTOR_SEEK_PREVIOUS_SYNC;
   1239             break;
   1240         }
   1241         case MediaSource::ReadOptions::SEEK_NEXT_SYNC: {
   1242             aMode = AMEDIAEXTRACTOR_SEEK_NEXT_SYNC;
   1243             break;
   1244         }
   1245         default: {
   1246             aMode = AMEDIAEXTRACTOR_SEEK_CLOSEST_SYNC;
   1247             break;
   1248         }
   1249     }
   1250     return AMediaExtractor_seekTo(mAMediaExtractor, seekPosUs, aMode);
   1251 }
   1252 
   1253 PsshInfo* AMediaExtractorWrapper::getPsshInfo() {
   1254     if (mAMediaExtractor == NULL) {
   1255         return NULL;
   1256     }
   1257     return AMediaExtractor_getPsshInfo(mAMediaExtractor);
   1258 }
   1259 
   1260 sp<AMediaCodecCryptoInfoWrapper> AMediaExtractorWrapper::getSampleCryptoInfo() {
   1261     if (mAMediaExtractor == NULL) {
   1262         return NULL;
   1263     }
   1264     return new AMediaCodecCryptoInfoWrapper(AMediaExtractor_getSampleCryptoInfo(mAMediaExtractor));
   1265 }
   1266 
   1267 ssize_t AMediaDataSourceWrapper::AMediaDataSourceWrapper_getSize(void *userdata) {
   1268     DataSource *source = static_cast<DataSource *>(userdata);
   1269     off64_t size = -1;
   1270     source->getSize(&size);
   1271     return size;
   1272 }
   1273 
   1274 ssize_t AMediaDataSourceWrapper::AMediaDataSourceWrapper_readAt(void *userdata, off64_t offset, void * buf, size_t size) {
   1275     DataSource *source = static_cast<DataSource *>(userdata);
   1276     return source->readAt(offset, buf, size);
   1277 }
   1278 
   1279 void AMediaDataSourceWrapper::AMediaDataSourceWrapper_close(void *userdata) {
   1280     DataSource *source = static_cast<DataSource *>(userdata);
   1281     source->close();
   1282 }
   1283 
   1284 AMediaDataSourceWrapper::AMediaDataSourceWrapper(const sp<DataSource> &dataSource)
   1285     : mDataSource(dataSource),
   1286       mAMediaDataSource(AMediaDataSource_new()) {
   1287     ALOGV("setDataSource (source: %p)", dataSource.get());
   1288     AMediaDataSource_setUserdata(mAMediaDataSource, dataSource.get());
   1289     AMediaDataSource_setReadAt(mAMediaDataSource, AMediaDataSourceWrapper_readAt);
   1290     AMediaDataSource_setGetSize(mAMediaDataSource, AMediaDataSourceWrapper_getSize);
   1291     AMediaDataSource_setClose(mAMediaDataSource, AMediaDataSourceWrapper_close);
   1292 }
   1293 
   1294 AMediaDataSourceWrapper::~AMediaDataSourceWrapper() {
   1295     if (mAMediaDataSource == NULL) {
   1296         return;
   1297     }
   1298     AMediaDataSource_delete(mAMediaDataSource);
   1299     mAMediaDataSource = NULL;
   1300 }
   1301 
   1302 AMediaDataSource* AMediaDataSourceWrapper::getAMediaDataSource() {
   1303     return mAMediaDataSource;
   1304 }
   1305 
   1306 }  // namespace android
   1307