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      1 /*
      2  * Copyright (C) 2009 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 "Utils"
     19 #include <utils/Log.h>
     20 #include <ctype.h>
     21 #include <stdio.h>
     22 #include <sys/stat.h>
     23 
     24 #include <utility>
     25 #include <vector>
     26 
     27 #include "include/ESDS.h"
     28 #include "include/HevcUtils.h"
     29 
     30 #include <cutils/properties.h>
     31 #include <media/openmax/OMX_Audio.h>
     32 #include <media/openmax/OMX_Video.h>
     33 #include <media/openmax/OMX_VideoExt.h>
     34 #include <media/stagefright/CodecBase.h>
     35 #include <media/stagefright/foundation/ABuffer.h>
     36 #include <media/stagefright/foundation/ADebug.h>
     37 #include <media/stagefright/foundation/ALookup.h>
     38 #include <media/stagefright/foundation/AMessage.h>
     39 #include <media/stagefright/foundation/ByteUtils.h>
     40 #include <media/stagefright/MetaData.h>
     41 #include <media/stagefright/MediaDefs.h>
     42 #include <media/AudioSystem.h>
     43 #include <media/MediaPlayerInterface.h>
     44 #include <media/stagefright/Utils.h>
     45 #include <media/AudioParameter.h>
     46 #include <system/audio.h>
     47 
     48 namespace android {
     49 
     50 static status_t copyNALUToABuffer(sp<ABuffer> *buffer, const uint8_t *ptr, size_t length) {
     51     if (((*buffer)->size() + 4 + length) > ((*buffer)->capacity() - (*buffer)->offset())) {
     52         sp<ABuffer> tmpBuffer = new (std::nothrow) ABuffer((*buffer)->size() + 4 + length + 1024);
     53         if (tmpBuffer.get() == NULL || tmpBuffer->base() == NULL) {
     54             return NO_MEMORY;
     55         }
     56         memcpy(tmpBuffer->data(), (*buffer)->data(), (*buffer)->size());
     57         tmpBuffer->setRange(0, (*buffer)->size());
     58         (*buffer) = tmpBuffer;
     59     }
     60 
     61     memcpy((*buffer)->data() + (*buffer)->size(), "\x00\x00\x00\x01", 4);
     62     memcpy((*buffer)->data() + (*buffer)->size() + 4, ptr, length);
     63     (*buffer)->setRange((*buffer)->offset(), (*buffer)->size() + 4 + length);
     64     return OK;
     65 }
     66 
     67 #if 0
     68 static void convertMetaDataToMessageInt32(
     69         const sp<MetaData> &meta, sp<AMessage> &msg, uint32_t key, const char *name) {
     70     int32_t value;
     71     if (meta->findInt32(key, &value)) {
     72         msg->setInt32(name, value);
     73     }
     74 }
     75 #endif
     76 
     77 static void convertMetaDataToMessageColorAspects(const sp<MetaData> &meta, sp<AMessage> &msg) {
     78     // 0 values are unspecified
     79     int32_t range = 0;
     80     int32_t primaries = 0;
     81     int32_t transferFunction = 0;
     82     int32_t colorMatrix = 0;
     83     meta->findInt32(kKeyColorRange, &range);
     84     meta->findInt32(kKeyColorPrimaries, &primaries);
     85     meta->findInt32(kKeyTransferFunction, &transferFunction);
     86     meta->findInt32(kKeyColorMatrix, &colorMatrix);
     87     ColorAspects colorAspects;
     88     memset(&colorAspects, 0, sizeof(colorAspects));
     89     colorAspects.mRange = (ColorAspects::Range)range;
     90     colorAspects.mPrimaries = (ColorAspects::Primaries)primaries;
     91     colorAspects.mTransfer = (ColorAspects::Transfer)transferFunction;
     92     colorAspects.mMatrixCoeffs = (ColorAspects::MatrixCoeffs)colorMatrix;
     93 
     94     int32_t rangeMsg, standardMsg, transferMsg;
     95     if (CodecBase::convertCodecColorAspectsToPlatformAspects(
     96             colorAspects, &rangeMsg, &standardMsg, &transferMsg) != OK) {
     97         return;
     98     }
     99 
    100     // save specified values to msg
    101     if (rangeMsg != 0) {
    102         msg->setInt32("color-range", rangeMsg);
    103     }
    104     if (standardMsg != 0) {
    105         msg->setInt32("color-standard", standardMsg);
    106     }
    107     if (transferMsg != 0) {
    108         msg->setInt32("color-transfer", transferMsg);
    109     }
    110 }
    111 
    112 static bool isHdr(const sp<AMessage> &format) {
    113     // if CSD specifies HDR transfer(s), we assume HDR. Otherwise, if it specifies non-HDR
    114     // transfers, we must assume non-HDR. This is because CSD trumps any color-transfer key
    115     // in the format.
    116     int32_t isHdr;
    117     if (format->findInt32("android._is-hdr", &isHdr)) {
    118         return isHdr;
    119     }
    120 
    121     // if user/container supplied HDR static info without transfer set, assume true
    122     if (format->contains("hdr-static-info") && !format->contains("color-transfer")) {
    123         return true;
    124     }
    125     // otherwise, verify that an HDR transfer function is set
    126     int32_t transfer;
    127     if (format->findInt32("color-transfer", &transfer)) {
    128         return transfer == ColorUtils::kColorTransferST2084
    129                 || transfer == ColorUtils::kColorTransferHLG;
    130     }
    131     return false;
    132 }
    133 
    134 static void parseAacProfileFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
    135     if (csd->size() < 2) {
    136         return;
    137     }
    138 
    139     uint16_t audioObjectType = U16_AT((uint8_t*)csd->data());
    140     if ((audioObjectType & 0xF800) == 0xF800) {
    141         audioObjectType = 32 + ((audioObjectType >> 5) & 0x3F);
    142     } else {
    143         audioObjectType >>= 11;
    144     }
    145 
    146     const static ALookup<uint16_t, OMX_AUDIO_AACPROFILETYPE> profiles {
    147         { 1,  OMX_AUDIO_AACObjectMain     },
    148         { 2,  OMX_AUDIO_AACObjectLC       },
    149         { 3,  OMX_AUDIO_AACObjectSSR      },
    150         { 4,  OMX_AUDIO_AACObjectLTP      },
    151         { 5,  OMX_AUDIO_AACObjectHE       },
    152         { 6,  OMX_AUDIO_AACObjectScalable },
    153         { 17, OMX_AUDIO_AACObjectERLC     },
    154         { 23, OMX_AUDIO_AACObjectLD       },
    155         { 29, OMX_AUDIO_AACObjectHE_PS    },
    156         { 39, OMX_AUDIO_AACObjectELD      },
    157         { 42, OMX_AUDIO_AACObjectXHE      },
    158     };
    159 
    160     OMX_AUDIO_AACPROFILETYPE profile;
    161     if (profiles.map(audioObjectType, &profile)) {
    162         format->setInt32("profile", profile);
    163     }
    164 }
    165 
    166 static void parseAvcProfileLevelFromAvcc(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
    167     if (size < 4 || ptr[0] != 1) {  // configurationVersion == 1
    168         return;
    169     }
    170     const uint8_t profile = ptr[1];
    171     const uint8_t constraints = ptr[2];
    172     const uint8_t level = ptr[3];
    173 
    174     const static ALookup<uint8_t, OMX_VIDEO_AVCLEVELTYPE> levels {
    175         {  9, OMX_VIDEO_AVCLevel1b }, // technically, 9 is only used for High+ profiles
    176         { 10, OMX_VIDEO_AVCLevel1  },
    177         { 11, OMX_VIDEO_AVCLevel11 }, // prefer level 1.1 for the value 11
    178         { 11, OMX_VIDEO_AVCLevel1b },
    179         { 12, OMX_VIDEO_AVCLevel12 },
    180         { 13, OMX_VIDEO_AVCLevel13 },
    181         { 20, OMX_VIDEO_AVCLevel2  },
    182         { 21, OMX_VIDEO_AVCLevel21 },
    183         { 22, OMX_VIDEO_AVCLevel22 },
    184         { 30, OMX_VIDEO_AVCLevel3  },
    185         { 31, OMX_VIDEO_AVCLevel31 },
    186         { 32, OMX_VIDEO_AVCLevel32 },
    187         { 40, OMX_VIDEO_AVCLevel4  },
    188         { 41, OMX_VIDEO_AVCLevel41 },
    189         { 42, OMX_VIDEO_AVCLevel42 },
    190         { 50, OMX_VIDEO_AVCLevel5  },
    191         { 51, OMX_VIDEO_AVCLevel51 },
    192         { 52, OMX_VIDEO_AVCLevel52 },
    193     };
    194     const static ALookup<uint8_t, OMX_VIDEO_AVCPROFILETYPE> profiles {
    195         { 66, OMX_VIDEO_AVCProfileBaseline },
    196         { 77, OMX_VIDEO_AVCProfileMain     },
    197         { 88, OMX_VIDEO_AVCProfileExtended },
    198         { 100, OMX_VIDEO_AVCProfileHigh    },
    199         { 110, OMX_VIDEO_AVCProfileHigh10  },
    200         { 122, OMX_VIDEO_AVCProfileHigh422 },
    201         { 244, OMX_VIDEO_AVCProfileHigh444 },
    202     };
    203 
    204     // set profile & level if they are recognized
    205     OMX_VIDEO_AVCPROFILETYPE codecProfile;
    206     OMX_VIDEO_AVCLEVELTYPE codecLevel;
    207     if (profiles.map(profile, &codecProfile)) {
    208         if (profile == 66 && (constraints & 0x40)) {
    209             codecProfile = (OMX_VIDEO_AVCPROFILETYPE)OMX_VIDEO_AVCProfileConstrainedBaseline;
    210         } else if (profile == 100 && (constraints & 0x0C) == 0x0C) {
    211             codecProfile = (OMX_VIDEO_AVCPROFILETYPE)OMX_VIDEO_AVCProfileConstrainedHigh;
    212         }
    213         format->setInt32("profile", codecProfile);
    214         if (levels.map(level, &codecLevel)) {
    215             // for 9 && 11 decide level based on profile and constraint_set3 flag
    216             if (level == 11 && (profile == 66 || profile == 77 || profile == 88)) {
    217                 codecLevel = (constraints & 0x10) ? OMX_VIDEO_AVCLevel1b : OMX_VIDEO_AVCLevel11;
    218             }
    219             format->setInt32("level", codecLevel);
    220         }
    221     }
    222 }
    223 
    224 static void parseH263ProfileLevelFromD263(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
    225     if (size < 7) {
    226         return;
    227     }
    228 
    229     const uint8_t profile = ptr[6];
    230     const uint8_t level = ptr[5];
    231 
    232     const static ALookup<uint8_t, OMX_VIDEO_H263PROFILETYPE> profiles {
    233         { 0, OMX_VIDEO_H263ProfileBaseline },
    234         { 1, OMX_VIDEO_H263ProfileH320Coding },
    235         { 2, OMX_VIDEO_H263ProfileBackwardCompatible },
    236         { 3, OMX_VIDEO_H263ProfileISWV2 },
    237         { 4, OMX_VIDEO_H263ProfileISWV3 },
    238         { 5, OMX_VIDEO_H263ProfileHighCompression },
    239         { 6, OMX_VIDEO_H263ProfileInternet },
    240         { 7, OMX_VIDEO_H263ProfileInterlace },
    241         { 8, OMX_VIDEO_H263ProfileHighLatency },
    242     };
    243 
    244     const static ALookup<uint8_t, OMX_VIDEO_H263LEVELTYPE> levels {
    245         { 10, OMX_VIDEO_H263Level10 },
    246         { 20, OMX_VIDEO_H263Level20 },
    247         { 30, OMX_VIDEO_H263Level30 },
    248         { 40, OMX_VIDEO_H263Level40 },
    249         { 45, OMX_VIDEO_H263Level45 },
    250         { 50, OMX_VIDEO_H263Level50 },
    251         { 60, OMX_VIDEO_H263Level60 },
    252         { 70, OMX_VIDEO_H263Level70 },
    253     };
    254 
    255     // set profile & level if they are recognized
    256     OMX_VIDEO_H263PROFILETYPE codecProfile;
    257     OMX_VIDEO_H263LEVELTYPE codecLevel;
    258     if (profiles.map(profile, &codecProfile)) {
    259         format->setInt32("profile", codecProfile);
    260         if (levels.map(level, &codecLevel)) {
    261             format->setInt32("level", codecLevel);
    262         }
    263     }
    264 }
    265 
    266 static void parseHevcProfileLevelFromHvcc(const uint8_t *ptr, size_t size, sp<AMessage> &format) {
    267     if (size < 13 || ptr[0] != 1) {  // configurationVersion == 1
    268         return;
    269     }
    270 
    271     const uint8_t profile = ptr[1] & 0x1F;
    272     const uint8_t tier = (ptr[1] & 0x20) >> 5;
    273     const uint8_t level = ptr[12];
    274 
    275     const static ALookup<std::pair<uint8_t, uint8_t>, OMX_VIDEO_HEVCLEVELTYPE> levels {
    276         { { 0, 30  }, OMX_VIDEO_HEVCMainTierLevel1  },
    277         { { 0, 60  }, OMX_VIDEO_HEVCMainTierLevel2  },
    278         { { 0, 63  }, OMX_VIDEO_HEVCMainTierLevel21 },
    279         { { 0, 90  }, OMX_VIDEO_HEVCMainTierLevel3  },
    280         { { 0, 93  }, OMX_VIDEO_HEVCMainTierLevel31 },
    281         { { 0, 120 }, OMX_VIDEO_HEVCMainTierLevel4  },
    282         { { 0, 123 }, OMX_VIDEO_HEVCMainTierLevel41 },
    283         { { 0, 150 }, OMX_VIDEO_HEVCMainTierLevel5  },
    284         { { 0, 153 }, OMX_VIDEO_HEVCMainTierLevel51 },
    285         { { 0, 156 }, OMX_VIDEO_HEVCMainTierLevel52 },
    286         { { 0, 180 }, OMX_VIDEO_HEVCMainTierLevel6  },
    287         { { 0, 183 }, OMX_VIDEO_HEVCMainTierLevel61 },
    288         { { 0, 186 }, OMX_VIDEO_HEVCMainTierLevel62 },
    289         { { 1, 30  }, OMX_VIDEO_HEVCHighTierLevel1  },
    290         { { 1, 60  }, OMX_VIDEO_HEVCHighTierLevel2  },
    291         { { 1, 63  }, OMX_VIDEO_HEVCHighTierLevel21 },
    292         { { 1, 90  }, OMX_VIDEO_HEVCHighTierLevel3  },
    293         { { 1, 93  }, OMX_VIDEO_HEVCHighTierLevel31 },
    294         { { 1, 120 }, OMX_VIDEO_HEVCHighTierLevel4  },
    295         { { 1, 123 }, OMX_VIDEO_HEVCHighTierLevel41 },
    296         { { 1, 150 }, OMX_VIDEO_HEVCHighTierLevel5  },
    297         { { 1, 153 }, OMX_VIDEO_HEVCHighTierLevel51 },
    298         { { 1, 156 }, OMX_VIDEO_HEVCHighTierLevel52 },
    299         { { 1, 180 }, OMX_VIDEO_HEVCHighTierLevel6  },
    300         { { 1, 183 }, OMX_VIDEO_HEVCHighTierLevel61 },
    301         { { 1, 186 }, OMX_VIDEO_HEVCHighTierLevel62 },
    302     };
    303 
    304     const static ALookup<uint8_t, OMX_VIDEO_HEVCPROFILETYPE> profiles {
    305         { 1, OMX_VIDEO_HEVCProfileMain   },
    306         { 2, OMX_VIDEO_HEVCProfileMain10 },
    307         // use Main for Main Still Picture decoding
    308         { 3, OMX_VIDEO_HEVCProfileMain },
    309     };
    310 
    311     // set profile & level if they are recognized
    312     OMX_VIDEO_HEVCPROFILETYPE codecProfile;
    313     OMX_VIDEO_HEVCLEVELTYPE codecLevel;
    314     if (!profiles.map(profile, &codecProfile)) {
    315         if (ptr[2] & 0x40 /* general compatibility flag 1 */) {
    316             // Note that this case covers Main Still Picture too
    317             codecProfile = OMX_VIDEO_HEVCProfileMain;
    318         } else if (ptr[2] & 0x20 /* general compatibility flag 2 */) {
    319             codecProfile = OMX_VIDEO_HEVCProfileMain10;
    320         } else {
    321             return;
    322         }
    323     }
    324 
    325     // bump to HDR profile
    326     if (isHdr(format) && codecProfile == OMX_VIDEO_HEVCProfileMain10) {
    327         codecProfile = OMX_VIDEO_HEVCProfileMain10HDR10;
    328     }
    329 
    330     format->setInt32("profile", codecProfile);
    331     if (levels.map(std::make_pair(tier, level), &codecLevel)) {
    332         format->setInt32("level", codecLevel);
    333     }
    334 }
    335 
    336 static void parseMpeg2ProfileLevelFromHeader(
    337         const uint8_t *data, size_t size, sp<AMessage> &format) {
    338     // find sequence extension
    339     const uint8_t *seq = (const uint8_t*)memmem(data, size, "\x00\x00\x01\xB5", 4);
    340     if (seq != NULL && seq + 5 < data + size) {
    341         const uint8_t start_code = seq[4] >> 4;
    342         if (start_code != 1 /* sequence extension ID */) {
    343             return;
    344         }
    345         const uint8_t indication = ((seq[4] & 0xF) << 4) | ((seq[5] & 0xF0) >> 4);
    346 
    347         const static ALookup<uint8_t, OMX_VIDEO_MPEG2PROFILETYPE> profiles {
    348             { 0x50, OMX_VIDEO_MPEG2ProfileSimple  },
    349             { 0x40, OMX_VIDEO_MPEG2ProfileMain    },
    350             { 0x30, OMX_VIDEO_MPEG2ProfileSNR     },
    351             { 0x20, OMX_VIDEO_MPEG2ProfileSpatial },
    352             { 0x10, OMX_VIDEO_MPEG2ProfileHigh    },
    353         };
    354 
    355         const static ALookup<uint8_t, OMX_VIDEO_MPEG2LEVELTYPE> levels {
    356             { 0x0A, OMX_VIDEO_MPEG2LevelLL  },
    357             { 0x08, OMX_VIDEO_MPEG2LevelML  },
    358             { 0x06, OMX_VIDEO_MPEG2LevelH14 },
    359             { 0x04, OMX_VIDEO_MPEG2LevelHL  },
    360             { 0x02, OMX_VIDEO_MPEG2LevelHP  },
    361         };
    362 
    363         const static ALookup<uint8_t,
    364                 std::pair<OMX_VIDEO_MPEG2PROFILETYPE, OMX_VIDEO_MPEG2LEVELTYPE>> escapes {
    365             /* unsupported
    366             { 0x8E, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelLL  } },
    367             { 0x8D, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelML  } },
    368             { 0x8B, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelH14 } },
    369             { 0x8A, { XXX_MPEG2ProfileMultiView, OMX_VIDEO_MPEG2LevelHL  } }, */
    370             { 0x85, { OMX_VIDEO_MPEG2Profile422, OMX_VIDEO_MPEG2LevelML  } },
    371             { 0x82, { OMX_VIDEO_MPEG2Profile422, OMX_VIDEO_MPEG2LevelHL  } },
    372         };
    373 
    374         OMX_VIDEO_MPEG2PROFILETYPE profile;
    375         OMX_VIDEO_MPEG2LEVELTYPE level;
    376         std::pair<OMX_VIDEO_MPEG2PROFILETYPE, OMX_VIDEO_MPEG2LEVELTYPE> profileLevel;
    377         if (escapes.map(indication, &profileLevel)) {
    378             format->setInt32("profile", profileLevel.first);
    379             format->setInt32("level", profileLevel.second);
    380         } else if (profiles.map(indication & 0x70, &profile)) {
    381             format->setInt32("profile", profile);
    382             if (levels.map(indication & 0xF, &level)) {
    383                 format->setInt32("level", level);
    384             }
    385         }
    386     }
    387 }
    388 
    389 static void parseMpeg2ProfileLevelFromEsds(ESDS &esds, sp<AMessage> &format) {
    390     // esds seems to only contain the profile for MPEG-2
    391     uint8_t objType;
    392     if (esds.getObjectTypeIndication(&objType) == OK) {
    393         const static ALookup<uint8_t, OMX_VIDEO_MPEG2PROFILETYPE> profiles{
    394             { 0x60, OMX_VIDEO_MPEG2ProfileSimple  },
    395             { 0x61, OMX_VIDEO_MPEG2ProfileMain    },
    396             { 0x62, OMX_VIDEO_MPEG2ProfileSNR     },
    397             { 0x63, OMX_VIDEO_MPEG2ProfileSpatial },
    398             { 0x64, OMX_VIDEO_MPEG2ProfileHigh    },
    399             { 0x65, OMX_VIDEO_MPEG2Profile422     },
    400         };
    401 
    402         OMX_VIDEO_MPEG2PROFILETYPE profile;
    403         if (profiles.map(objType, &profile)) {
    404             format->setInt32("profile", profile);
    405         }
    406     }
    407 }
    408 
    409 static void parseMpeg4ProfileLevelFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
    410     const uint8_t *data = csd->data();
    411     // find visual object sequence
    412     const uint8_t *seq = (const uint8_t*)memmem(data, csd->size(), "\x00\x00\x01\xB0", 4);
    413     if (seq != NULL && seq + 4 < data + csd->size()) {
    414         const uint8_t indication = seq[4];
    415 
    416         const static ALookup<uint8_t,
    417                 std::pair<OMX_VIDEO_MPEG4PROFILETYPE, OMX_VIDEO_MPEG4LEVELTYPE>> table {
    418             { 0b00000001, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level1  } },
    419             { 0b00000010, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level2  } },
    420             { 0b00000011, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level3  } },
    421             { 0b00000100, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level4a } },
    422             { 0b00000101, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level5  } },
    423             { 0b00000110, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level6  } },
    424             { 0b00001000, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level0  } },
    425             { 0b00001001, { OMX_VIDEO_MPEG4ProfileSimple,            OMX_VIDEO_MPEG4Level0b } },
    426             { 0b00010000, { OMX_VIDEO_MPEG4ProfileSimpleScalable,    OMX_VIDEO_MPEG4Level0  } },
    427             { 0b00010001, { OMX_VIDEO_MPEG4ProfileSimpleScalable,    OMX_VIDEO_MPEG4Level1  } },
    428             { 0b00010010, { OMX_VIDEO_MPEG4ProfileSimpleScalable,    OMX_VIDEO_MPEG4Level2  } },
    429             /* unsupported
    430             { 0b00011101, { XXX_MPEG4ProfileSimpleScalableER,        OMX_VIDEO_MPEG4Level0  } },
    431             { 0b00011110, { XXX_MPEG4ProfileSimpleScalableER,        OMX_VIDEO_MPEG4Level1  } },
    432             { 0b00011111, { XXX_MPEG4ProfileSimpleScalableER,        OMX_VIDEO_MPEG4Level2  } }, */
    433             { 0b00100001, { OMX_VIDEO_MPEG4ProfileCore,              OMX_VIDEO_MPEG4Level1  } },
    434             { 0b00100010, { OMX_VIDEO_MPEG4ProfileCore,              OMX_VIDEO_MPEG4Level2  } },
    435             { 0b00110010, { OMX_VIDEO_MPEG4ProfileMain,              OMX_VIDEO_MPEG4Level2  } },
    436             { 0b00110011, { OMX_VIDEO_MPEG4ProfileMain,              OMX_VIDEO_MPEG4Level3  } },
    437             { 0b00110100, { OMX_VIDEO_MPEG4ProfileMain,              OMX_VIDEO_MPEG4Level4  } },
    438             /* deprecated
    439             { 0b01000010, { OMX_VIDEO_MPEG4ProfileNbit,              OMX_VIDEO_MPEG4Level2  } }, */
    440             { 0b01010001, { OMX_VIDEO_MPEG4ProfileScalableTexture,   OMX_VIDEO_MPEG4Level1  } },
    441             { 0b01100001, { OMX_VIDEO_MPEG4ProfileSimpleFace,        OMX_VIDEO_MPEG4Level1  } },
    442             { 0b01100010, { OMX_VIDEO_MPEG4ProfileSimpleFace,        OMX_VIDEO_MPEG4Level2  } },
    443             { 0b01100011, { OMX_VIDEO_MPEG4ProfileSimpleFBA,         OMX_VIDEO_MPEG4Level1  } },
    444             { 0b01100100, { OMX_VIDEO_MPEG4ProfileSimpleFBA,         OMX_VIDEO_MPEG4Level2  } },
    445             { 0b01110001, { OMX_VIDEO_MPEG4ProfileBasicAnimated,     OMX_VIDEO_MPEG4Level1  } },
    446             { 0b01110010, { OMX_VIDEO_MPEG4ProfileBasicAnimated,     OMX_VIDEO_MPEG4Level2  } },
    447             { 0b10000001, { OMX_VIDEO_MPEG4ProfileHybrid,            OMX_VIDEO_MPEG4Level1  } },
    448             { 0b10000010, { OMX_VIDEO_MPEG4ProfileHybrid,            OMX_VIDEO_MPEG4Level2  } },
    449             { 0b10010001, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime,  OMX_VIDEO_MPEG4Level1  } },
    450             { 0b10010010, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime,  OMX_VIDEO_MPEG4Level2  } },
    451             { 0b10010011, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime,  OMX_VIDEO_MPEG4Level3  } },
    452             { 0b10010100, { OMX_VIDEO_MPEG4ProfileAdvancedRealTime,  OMX_VIDEO_MPEG4Level4  } },
    453             { 0b10100001, { OMX_VIDEO_MPEG4ProfileCoreScalable,      OMX_VIDEO_MPEG4Level1  } },
    454             { 0b10100010, { OMX_VIDEO_MPEG4ProfileCoreScalable,      OMX_VIDEO_MPEG4Level2  } },
    455             { 0b10100011, { OMX_VIDEO_MPEG4ProfileCoreScalable,      OMX_VIDEO_MPEG4Level3  } },
    456             { 0b10110001, { OMX_VIDEO_MPEG4ProfileAdvancedCoding,    OMX_VIDEO_MPEG4Level1  } },
    457             { 0b10110010, { OMX_VIDEO_MPEG4ProfileAdvancedCoding,    OMX_VIDEO_MPEG4Level2  } },
    458             { 0b10110011, { OMX_VIDEO_MPEG4ProfileAdvancedCoding,    OMX_VIDEO_MPEG4Level3  } },
    459             { 0b10110100, { OMX_VIDEO_MPEG4ProfileAdvancedCoding,    OMX_VIDEO_MPEG4Level4  } },
    460             { 0b11000001, { OMX_VIDEO_MPEG4ProfileAdvancedCore,      OMX_VIDEO_MPEG4Level1  } },
    461             { 0b11000010, { OMX_VIDEO_MPEG4ProfileAdvancedCore,      OMX_VIDEO_MPEG4Level2  } },
    462             { 0b11010001, { OMX_VIDEO_MPEG4ProfileAdvancedScalable,  OMX_VIDEO_MPEG4Level1  } },
    463             { 0b11010010, { OMX_VIDEO_MPEG4ProfileAdvancedScalable,  OMX_VIDEO_MPEG4Level2  } },
    464             { 0b11010011, { OMX_VIDEO_MPEG4ProfileAdvancedScalable,  OMX_VIDEO_MPEG4Level3  } },
    465             /* unsupported
    466             { 0b11100001, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level1  } },
    467             { 0b11100010, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level2  } },
    468             { 0b11100011, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level3  } },
    469             { 0b11100100, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level4  } },
    470             { 0b11100101, { XXX_MPEG4ProfileCoreStudio,              OMX_VIDEO_MPEG4Level1  } },
    471             { 0b11100110, { XXX_MPEG4ProfileCoreStudio,              OMX_VIDEO_MPEG4Level2  } },
    472             { 0b11100111, { XXX_MPEG4ProfileCoreStudio,              OMX_VIDEO_MPEG4Level3  } },
    473             { 0b11101000, { XXX_MPEG4ProfileCoreStudio,              OMX_VIDEO_MPEG4Level4  } },
    474             { 0b11101011, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level5  } },
    475             { 0b11101100, { XXX_MPEG4ProfileSimpleStudio,            OMX_VIDEO_MPEG4Level6  } }, */
    476             { 0b11110000, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level0  } },
    477             { 0b11110001, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level1  } },
    478             { 0b11110010, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level2  } },
    479             { 0b11110011, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level3  } },
    480             { 0b11110100, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level4  } },
    481             { 0b11110101, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level5  } },
    482             { 0b11110111, { OMX_VIDEO_MPEG4ProfileAdvancedSimple,    OMX_VIDEO_MPEG4Level3b } },
    483             /* deprecated
    484             { 0b11111000, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level0  } },
    485             { 0b11111001, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level1  } },
    486             { 0b11111010, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level2  } },
    487             { 0b11111011, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level3  } },
    488             { 0b11111100, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level4  } },
    489             { 0b11111101, { XXX_MPEG4ProfileFineGranularityScalable, OMX_VIDEO_MPEG4Level5  } }, */
    490         };
    491 
    492         std::pair<OMX_VIDEO_MPEG4PROFILETYPE, OMX_VIDEO_MPEG4LEVELTYPE> profileLevel;
    493         if (table.map(indication, &profileLevel)) {
    494             format->setInt32("profile", profileLevel.first);
    495             format->setInt32("level", profileLevel.second);
    496         }
    497     }
    498 }
    499 
    500 static void parseVp9ProfileLevelFromCsd(const sp<ABuffer> &csd, sp<AMessage> &format) {
    501     const uint8_t *data = csd->data();
    502     size_t remaining = csd->size();
    503 
    504     while (remaining >= 2) {
    505         const uint8_t id = data[0];
    506         const uint8_t length = data[1];
    507         remaining -= 2;
    508         data += 2;
    509         if (length > remaining) {
    510             break;
    511         }
    512         switch (id) {
    513             case 1 /* profileId */:
    514                 if (length >= 1) {
    515                     const static ALookup<uint8_t, OMX_VIDEO_VP9PROFILETYPE> profiles {
    516                         { 0, OMX_VIDEO_VP9Profile0 },
    517                         { 1, OMX_VIDEO_VP9Profile1 },
    518                         { 2, OMX_VIDEO_VP9Profile2 },
    519                         { 3, OMX_VIDEO_VP9Profile3 },
    520                     };
    521 
    522                     const static ALookup<OMX_VIDEO_VP9PROFILETYPE, OMX_VIDEO_VP9PROFILETYPE> toHdr {
    523                         { OMX_VIDEO_VP9Profile2, OMX_VIDEO_VP9Profile2HDR },
    524                         { OMX_VIDEO_VP9Profile3, OMX_VIDEO_VP9Profile3HDR },
    525                     };
    526 
    527                     OMX_VIDEO_VP9PROFILETYPE profile;
    528                     if (profiles.map(data[0], &profile)) {
    529                         // convert to HDR profile
    530                         if (isHdr(format)) {
    531                             toHdr.lookup(profile, &profile);
    532                         }
    533 
    534                         format->setInt32("profile", profile);
    535                     }
    536                 }
    537                 break;
    538             case 2 /* levelId */:
    539                 if (length >= 1) {
    540                     const static ALookup<uint8_t, OMX_VIDEO_VP9LEVELTYPE> levels {
    541                         { 10, OMX_VIDEO_VP9Level1  },
    542                         { 11, OMX_VIDEO_VP9Level11 },
    543                         { 20, OMX_VIDEO_VP9Level2  },
    544                         { 21, OMX_VIDEO_VP9Level21 },
    545                         { 30, OMX_VIDEO_VP9Level3  },
    546                         { 31, OMX_VIDEO_VP9Level31 },
    547                         { 40, OMX_VIDEO_VP9Level4  },
    548                         { 41, OMX_VIDEO_VP9Level41 },
    549                         { 50, OMX_VIDEO_VP9Level5  },
    550                         { 51, OMX_VIDEO_VP9Level51 },
    551                         { 52, OMX_VIDEO_VP9Level52 },
    552                         { 60, OMX_VIDEO_VP9Level6  },
    553                         { 61, OMX_VIDEO_VP9Level61 },
    554                         { 62, OMX_VIDEO_VP9Level62 },
    555                     };
    556 
    557                     OMX_VIDEO_VP9LEVELTYPE level;
    558                     if (levels.map(data[0], &level)) {
    559                         format->setInt32("level", level);
    560                     }
    561                 }
    562                 break;
    563             default:
    564                 break;
    565         }
    566         remaining -= length;
    567         data += length;
    568     }
    569 }
    570 
    571 status_t convertMetaDataToMessage(
    572         const sp<MetaData> &meta, sp<AMessage> *format) {
    573 
    574     format->clear();
    575 
    576     if (meta == NULL) {
    577         ALOGE("convertMetaDataToMessage: NULL input");
    578         return BAD_VALUE;
    579     }
    580 
    581     const char *mime;
    582     if (!meta->findCString(kKeyMIMEType, &mime)) {
    583         return BAD_VALUE;
    584     }
    585 
    586     sp<AMessage> msg = new AMessage;
    587     msg->setString("mime", mime);
    588 
    589     uint32_t type;
    590     const void *data;
    591     size_t size;
    592     if (meta->findData(kKeyCASessionID, &type, &data, &size)) {
    593         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
    594         if (buffer.get() == NULL || buffer->base() == NULL) {
    595             return NO_MEMORY;
    596         }
    597 
    598         msg->setBuffer("ca-session-id", buffer);
    599         memcpy(buffer->data(), data, size);
    600     }
    601 
    602     int32_t systemId;
    603     if (meta->findInt32(kKeyCASystemID, &systemId)) {
    604         msg->setInt32("ca-system-id", systemId);
    605     }
    606 
    607     if (!strncasecmp("video/scrambled", mime, 15)
    608             || !strncasecmp("audio/scrambled", mime, 15)) {
    609 
    610         *format = msg;
    611         return OK;
    612     }
    613 
    614     int64_t durationUs;
    615     if (meta->findInt64(kKeyDuration, &durationUs)) {
    616         msg->setInt64("durationUs", durationUs);
    617     }
    618 
    619     int32_t avgBitRate = 0;
    620     if (meta->findInt32(kKeyBitRate, &avgBitRate) && avgBitRate > 0) {
    621         msg->setInt32("bitrate", avgBitRate);
    622     }
    623 
    624     int32_t maxBitRate;
    625     if (meta->findInt32(kKeyMaxBitRate, &maxBitRate)
    626             && maxBitRate > 0 && maxBitRate >= avgBitRate) {
    627         msg->setInt32("max-bitrate", maxBitRate);
    628     }
    629 
    630     int32_t isSync;
    631     if (meta->findInt32(kKeyIsSyncFrame, &isSync) && isSync != 0) {
    632         msg->setInt32("is-sync-frame", 1);
    633     }
    634 
    635     // this only needs to be translated from meta to message as it is an extractor key
    636     int32_t trackID;
    637     if (meta->findInt32(kKeyTrackID, &trackID)) {
    638         msg->setInt32("track-id", trackID);
    639     }
    640 
    641     const char *lang;
    642     if (meta->findCString(kKeyMediaLanguage, &lang)) {
    643         msg->setString("language", lang);
    644     }
    645 
    646     if (!strncasecmp("video/", mime, 6) ||
    647             !strncasecmp("image/", mime, 6)) {
    648         int32_t width, height;
    649         if (!meta->findInt32(kKeyWidth, &width)
    650                 || !meta->findInt32(kKeyHeight, &height)) {
    651             return BAD_VALUE;
    652         }
    653 
    654         msg->setInt32("width", width);
    655         msg->setInt32("height", height);
    656 
    657         int32_t displayWidth, displayHeight;
    658         if (meta->findInt32(kKeyDisplayWidth, &displayWidth)
    659                 && meta->findInt32(kKeyDisplayHeight, &displayHeight)) {
    660             msg->setInt32("display-width", displayWidth);
    661             msg->setInt32("display-height", displayHeight);
    662         }
    663 
    664         int32_t sarWidth, sarHeight;
    665         if (meta->findInt32(kKeySARWidth, &sarWidth)
    666                 && meta->findInt32(kKeySARHeight, &sarHeight)) {
    667             msg->setInt32("sar-width", sarWidth);
    668             msg->setInt32("sar-height", sarHeight);
    669         }
    670 
    671         if (!strncasecmp("image/", mime, 6)) {
    672             int32_t tileWidth, tileHeight, gridRows, gridCols;
    673             if (meta->findInt32(kKeyTileWidth, &tileWidth)
    674                     && meta->findInt32(kKeyTileHeight, &tileHeight)
    675                     && meta->findInt32(kKeyGridRows, &gridRows)
    676                     && meta->findInt32(kKeyGridCols, &gridCols)) {
    677                 msg->setInt32("tile-width", tileWidth);
    678                 msg->setInt32("tile-height", tileHeight);
    679                 msg->setInt32("grid-rows", gridRows);
    680                 msg->setInt32("grid-cols", gridCols);
    681             }
    682             int32_t isPrimary;
    683             if (meta->findInt32(kKeyTrackIsDefault, &isPrimary) && isPrimary) {
    684                 msg->setInt32("is-default", 1);
    685             }
    686         }
    687 
    688         int32_t colorFormat;
    689         if (meta->findInt32(kKeyColorFormat, &colorFormat)) {
    690             msg->setInt32("color-format", colorFormat);
    691         }
    692 
    693         int32_t cropLeft, cropTop, cropRight, cropBottom;
    694         if (meta->findRect(kKeyCropRect,
    695                            &cropLeft,
    696                            &cropTop,
    697                            &cropRight,
    698                            &cropBottom)) {
    699             msg->setRect("crop", cropLeft, cropTop, cropRight, cropBottom);
    700         }
    701 
    702         int32_t rotationDegrees;
    703         if (meta->findInt32(kKeyRotation, &rotationDegrees)) {
    704             msg->setInt32("rotation-degrees", rotationDegrees);
    705         }
    706 
    707         uint32_t type;
    708         const void *data;
    709         size_t size;
    710         if (meta->findData(kKeyHdrStaticInfo, &type, &data, &size)
    711                 && type == 'hdrS' && size == sizeof(HDRStaticInfo)) {
    712             ColorUtils::setHDRStaticInfoIntoFormat(*(HDRStaticInfo*)data, msg);
    713         }
    714 
    715         convertMetaDataToMessageColorAspects(meta, msg);
    716     } else if (!strncasecmp("audio/", mime, 6)) {
    717         int32_t numChannels, sampleRate;
    718         if (!meta->findInt32(kKeyChannelCount, &numChannels)
    719                 || !meta->findInt32(kKeySampleRate, &sampleRate)) {
    720             return BAD_VALUE;
    721         }
    722 
    723         msg->setInt32("channel-count", numChannels);
    724         msg->setInt32("sample-rate", sampleRate);
    725 
    726         int32_t channelMask;
    727         if (meta->findInt32(kKeyChannelMask, &channelMask)) {
    728             msg->setInt32("channel-mask", channelMask);
    729         }
    730 
    731         int32_t delay = 0;
    732         if (meta->findInt32(kKeyEncoderDelay, &delay)) {
    733             msg->setInt32("encoder-delay", delay);
    734         }
    735         int32_t padding = 0;
    736         if (meta->findInt32(kKeyEncoderPadding, &padding)) {
    737             msg->setInt32("encoder-padding", padding);
    738         }
    739 
    740         int32_t isADTS;
    741         if (meta->findInt32(kKeyIsADTS, &isADTS)) {
    742             msg->setInt32("is-adts", isADTS);
    743         }
    744 
    745         int32_t aacProfile = -1;
    746         if (meta->findInt32(kKeyAACAOT, &aacProfile)) {
    747             msg->setInt32("aac-profile", aacProfile);
    748         }
    749 
    750         int32_t pcmEncoding;
    751         if (meta->findInt32(kKeyPcmEncoding, &pcmEncoding)) {
    752             msg->setInt32("pcm-encoding", pcmEncoding);
    753         }
    754     }
    755 
    756     int32_t maxInputSize;
    757     if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) {
    758         msg->setInt32("max-input-size", maxInputSize);
    759     }
    760 
    761     int32_t maxWidth;
    762     if (meta->findInt32(kKeyMaxWidth, &maxWidth)) {
    763         msg->setInt32("max-width", maxWidth);
    764     }
    765 
    766     int32_t maxHeight;
    767     if (meta->findInt32(kKeyMaxHeight, &maxHeight)) {
    768         msg->setInt32("max-height", maxHeight);
    769     }
    770 
    771     int32_t rotationDegrees;
    772     if (meta->findInt32(kKeyRotation, &rotationDegrees)) {
    773         msg->setInt32("rotation-degrees", rotationDegrees);
    774     }
    775 
    776     int32_t fps;
    777     if (meta->findInt32(kKeyFrameRate, &fps) && fps > 0) {
    778         msg->setInt32("frame-rate", fps);
    779     }
    780 
    781     if (meta->findData(kKeyAVCC, &type, &data, &size)) {
    782         // Parse the AVCDecoderConfigurationRecord
    783 
    784         const uint8_t *ptr = (const uint8_t *)data;
    785 
    786         if (size < 7 || ptr[0] != 1) {  // configurationVersion == 1
    787             ALOGE("b/23680780");
    788             return BAD_VALUE;
    789         }
    790 
    791         parseAvcProfileLevelFromAvcc(ptr, size, msg);
    792 
    793         // There is decodable content out there that fails the following
    794         // assertion, let's be lenient for now...
    795         // CHECK((ptr[4] >> 2) == 0x3f);  // reserved
    796 
    797         size_t lengthSize __unused = 1 + (ptr[4] & 3);
    798 
    799         // commented out check below as H264_QVGA_500_NO_AUDIO.3gp
    800         // violates it...
    801         // CHECK((ptr[5] >> 5) == 7);  // reserved
    802 
    803         size_t numSeqParameterSets = ptr[5] & 31;
    804 
    805         ptr += 6;
    806         size -= 6;
    807 
    808         sp<ABuffer> buffer = new (std::nothrow) ABuffer(1024);
    809         if (buffer.get() == NULL || buffer->base() == NULL) {
    810             return NO_MEMORY;
    811         }
    812         buffer->setRange(0, 0);
    813 
    814         for (size_t i = 0; i < numSeqParameterSets; ++i) {
    815             if (size < 2) {
    816                 ALOGE("b/23680780");
    817                 return BAD_VALUE;
    818             }
    819             size_t length = U16_AT(ptr);
    820 
    821             ptr += 2;
    822             size -= 2;
    823 
    824             if (size < length) {
    825                 return BAD_VALUE;
    826             }
    827             status_t err = copyNALUToABuffer(&buffer, ptr, length);
    828             if (err != OK) {
    829                 return err;
    830             }
    831 
    832             ptr += length;
    833             size -= length;
    834         }
    835 
    836         buffer->meta()->setInt32("csd", true);
    837         buffer->meta()->setInt64("timeUs", 0);
    838 
    839         msg->setBuffer("csd-0", buffer);
    840 
    841         buffer = new (std::nothrow) ABuffer(1024);
    842         if (buffer.get() == NULL || buffer->base() == NULL) {
    843             return NO_MEMORY;
    844         }
    845         buffer->setRange(0, 0);
    846 
    847         if (size < 1) {
    848             ALOGE("b/23680780");
    849             return BAD_VALUE;
    850         }
    851         size_t numPictureParameterSets = *ptr;
    852         ++ptr;
    853         --size;
    854 
    855         for (size_t i = 0; i < numPictureParameterSets; ++i) {
    856             if (size < 2) {
    857                 ALOGE("b/23680780");
    858                 return BAD_VALUE;
    859             }
    860             size_t length = U16_AT(ptr);
    861 
    862             ptr += 2;
    863             size -= 2;
    864 
    865             if (size < length) {
    866                 return BAD_VALUE;
    867             }
    868             status_t err = copyNALUToABuffer(&buffer, ptr, length);
    869             if (err != OK) {
    870                 return err;
    871             }
    872 
    873             ptr += length;
    874             size -= length;
    875         }
    876 
    877         buffer->meta()->setInt32("csd", true);
    878         buffer->meta()->setInt64("timeUs", 0);
    879         msg->setBuffer("csd-1", buffer);
    880     } else if (meta->findData(kKeyHVCC, &type, &data, &size)) {
    881         const uint8_t *ptr = (const uint8_t *)data;
    882 
    883         if (size < 23 || ptr[0] != 1) {  // configurationVersion == 1
    884             ALOGE("b/23680780");
    885             return BAD_VALUE;
    886         }
    887 
    888         const size_t dataSize = size; // save for later
    889         ptr += 22;
    890         size -= 22;
    891 
    892         size_t numofArrays = (char)ptr[0];
    893         ptr += 1;
    894         size -= 1;
    895         size_t j = 0, i = 0;
    896 
    897         sp<ABuffer> buffer = new (std::nothrow) ABuffer(1024);
    898         if (buffer.get() == NULL || buffer->base() == NULL) {
    899             return NO_MEMORY;
    900         }
    901         buffer->setRange(0, 0);
    902 
    903         HevcParameterSets hvcc;
    904 
    905         for (i = 0; i < numofArrays; i++) {
    906             if (size < 3) {
    907                 ALOGE("b/23680780");
    908                 return BAD_VALUE;
    909             }
    910             ptr += 1;
    911             size -= 1;
    912 
    913             //Num of nals
    914             size_t numofNals = U16_AT(ptr);
    915 
    916             ptr += 2;
    917             size -= 2;
    918 
    919             for (j = 0; j < numofNals; j++) {
    920                 if (size < 2) {
    921                     ALOGE("b/23680780");
    922                     return BAD_VALUE;
    923                 }
    924                 size_t length = U16_AT(ptr);
    925 
    926                 ptr += 2;
    927                 size -= 2;
    928 
    929                 if (size < length) {
    930                     return BAD_VALUE;
    931                 }
    932                 status_t err = copyNALUToABuffer(&buffer, ptr, length);
    933                 if (err != OK) {
    934                     return err;
    935                 }
    936                 (void)hvcc.addNalUnit(ptr, length);
    937 
    938                 ptr += length;
    939                 size -= length;
    940             }
    941         }
    942         buffer->meta()->setInt32("csd", true);
    943         buffer->meta()->setInt64("timeUs", 0);
    944         msg->setBuffer("csd-0", buffer);
    945 
    946         // if we saw VUI color information we know whether this is HDR because VUI trumps other
    947         // format parameters for HEVC.
    948         HevcParameterSets::Info info = hvcc.getInfo();
    949         if (info & hvcc.kInfoHasColorDescription) {
    950             msg->setInt32("android._is-hdr", (info & hvcc.kInfoIsHdr) != 0);
    951         }
    952 
    953         parseHevcProfileLevelFromHvcc((const uint8_t *)data, dataSize, msg);
    954     } else if (meta->findData(kKeyESDS, &type, &data, &size)) {
    955         ESDS esds((const char *)data, size);
    956         if (esds.InitCheck() != (status_t)OK) {
    957             return BAD_VALUE;
    958         }
    959 
    960         const void *codec_specific_data;
    961         size_t codec_specific_data_size;
    962         esds.getCodecSpecificInfo(
    963                 &codec_specific_data, &codec_specific_data_size);
    964 
    965         sp<ABuffer> buffer = new (std::nothrow) ABuffer(codec_specific_data_size);
    966         if (buffer.get() == NULL || buffer->base() == NULL) {
    967             return NO_MEMORY;
    968         }
    969 
    970         memcpy(buffer->data(), codec_specific_data,
    971                codec_specific_data_size);
    972 
    973         buffer->meta()->setInt32("csd", true);
    974         buffer->meta()->setInt64("timeUs", 0);
    975         msg->setBuffer("csd-0", buffer);
    976 
    977         if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG4)) {
    978             parseMpeg4ProfileLevelFromCsd(buffer, msg);
    979         } else if (!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_MPEG2)) {
    980             parseMpeg2ProfileLevelFromEsds(esds, msg);
    981             if (meta->findData(kKeyStreamHeader, &type, &data, &size)) {
    982                 parseMpeg2ProfileLevelFromHeader((uint8_t*)data, size, msg);
    983             }
    984         } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AAC)) {
    985             parseAacProfileFromCsd(buffer, msg);
    986         }
    987 
    988         uint32_t maxBitrate, avgBitrate;
    989         if (esds.getBitRate(&maxBitrate, &avgBitrate) == OK) {
    990             if (!meta->hasData(kKeyBitRate)
    991                     && avgBitrate > 0 && avgBitrate <= INT32_MAX) {
    992                 msg->setInt32("bitrate", (int32_t)avgBitrate);
    993             } else {
    994                 (void)msg->findInt32("bitrate", (int32_t*)&avgBitrate);
    995             }
    996             if (!meta->hasData(kKeyMaxBitRate)
    997                     && maxBitrate > 0 && maxBitrate <= INT32_MAX && maxBitrate >= avgBitrate) {
    998                 msg->setInt32("max-bitrate", (int32_t)maxBitrate);
    999             }
   1000         }
   1001     } else if (meta->findData(kTypeD263, &type, &data, &size)) {
   1002         const uint8_t *ptr = (const uint8_t *)data;
   1003         parseH263ProfileLevelFromD263(ptr, size, msg);
   1004     } else if (meta->findData(kKeyVorbisInfo, &type, &data, &size)) {
   1005         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
   1006         if (buffer.get() == NULL || buffer->base() == NULL) {
   1007             return NO_MEMORY;
   1008         }
   1009         memcpy(buffer->data(), data, size);
   1010 
   1011         buffer->meta()->setInt32("csd", true);
   1012         buffer->meta()->setInt64("timeUs", 0);
   1013         msg->setBuffer("csd-0", buffer);
   1014 
   1015         if (!meta->findData(kKeyVorbisBooks, &type, &data, &size)) {
   1016             return -EINVAL;
   1017         }
   1018 
   1019         buffer = new (std::nothrow) ABuffer(size);
   1020         if (buffer.get() == NULL || buffer->base() == NULL) {
   1021             return NO_MEMORY;
   1022         }
   1023         memcpy(buffer->data(), data, size);
   1024 
   1025         buffer->meta()->setInt32("csd", true);
   1026         buffer->meta()->setInt64("timeUs", 0);
   1027         msg->setBuffer("csd-1", buffer);
   1028     } else if (meta->findData(kKeyOpusHeader, &type, &data, &size)) {
   1029         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
   1030         if (buffer.get() == NULL || buffer->base() == NULL) {
   1031             return NO_MEMORY;
   1032         }
   1033         memcpy(buffer->data(), data, size);
   1034 
   1035         buffer->meta()->setInt32("csd", true);
   1036         buffer->meta()->setInt64("timeUs", 0);
   1037         msg->setBuffer("csd-0", buffer);
   1038 
   1039         if (!meta->findData(kKeyOpusCodecDelay, &type, &data, &size)) {
   1040             return -EINVAL;
   1041         }
   1042 
   1043         buffer = new (std::nothrow) ABuffer(size);
   1044         if (buffer.get() == NULL || buffer->base() == NULL) {
   1045             return NO_MEMORY;
   1046         }
   1047         memcpy(buffer->data(), data, size);
   1048 
   1049         buffer->meta()->setInt32("csd", true);
   1050         buffer->meta()->setInt64("timeUs", 0);
   1051         msg->setBuffer("csd-1", buffer);
   1052 
   1053         if (!meta->findData(kKeyOpusSeekPreRoll, &type, &data, &size)) {
   1054             return -EINVAL;
   1055         }
   1056 
   1057         buffer = new (std::nothrow) ABuffer(size);
   1058         if (buffer.get() == NULL || buffer->base() == NULL) {
   1059             return NO_MEMORY;
   1060         }
   1061         memcpy(buffer->data(), data, size);
   1062 
   1063         buffer->meta()->setInt32("csd", true);
   1064         buffer->meta()->setInt64("timeUs", 0);
   1065         msg->setBuffer("csd-2", buffer);
   1066     } else if (meta->findData(kKeyFlacMetadata, &type, &data, &size)) {
   1067         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
   1068         if (buffer.get() == NULL || buffer->base() == NULL) {
   1069             return NO_MEMORY;
   1070         }
   1071         memcpy(buffer->data(), data, size);
   1072 
   1073         buffer->meta()->setInt32("csd", true);
   1074         buffer->meta()->setInt64("timeUs", 0);
   1075         msg->setBuffer("csd-0", buffer);
   1076     } else if (meta->findData(kKeyVp9CodecPrivate, &type, &data, &size)) {
   1077         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
   1078         if (buffer.get() == NULL || buffer->base() == NULL) {
   1079             return NO_MEMORY;
   1080         }
   1081         memcpy(buffer->data(), data, size);
   1082 
   1083         buffer->meta()->setInt32("csd", true);
   1084         buffer->meta()->setInt64("timeUs", 0);
   1085         msg->setBuffer("csd-0", buffer);
   1086 
   1087         parseVp9ProfileLevelFromCsd(buffer, msg);
   1088     }
   1089 
   1090     // TODO expose "crypto-key"/kKeyCryptoKey through public api
   1091     if (meta->findData(kKeyCryptoKey, &type, &data, &size)) {
   1092         sp<ABuffer> buffer = new (std::nothrow) ABuffer(size);
   1093         msg->setBuffer("crypto-key", buffer);
   1094         memcpy(buffer->data(), data, size);
   1095     }
   1096 
   1097     *format = msg;
   1098 
   1099     return OK;
   1100 }
   1101 
   1102 const uint8_t *findNextNalStartCode(const uint8_t *data, size_t length) {
   1103     uint8_t *res = NULL;
   1104     if (length > 4) {
   1105         // minus 1 as to not match NAL start code at end
   1106         res = (uint8_t *)memmem(data, length - 1, "\x00\x00\x00\x01", 4);
   1107     }
   1108     return res != NULL && res < data + length - 4 ? res : &data[length];
   1109 }
   1110 
   1111 static size_t reassembleAVCC(const sp<ABuffer> &csd0, const sp<ABuffer> &csd1, char *avcc) {
   1112     avcc[0] = 1;        // version
   1113     avcc[1] = 0x64;     // profile (default to high)
   1114     avcc[2] = 0;        // constraints (default to none)
   1115     avcc[3] = 0xd;      // level (default to 1.3)
   1116     avcc[4] = 0xff;     // reserved+size
   1117 
   1118     size_t i = 0;
   1119     int numparams = 0;
   1120     int lastparamoffset = 0;
   1121     int avccidx = 6;
   1122     do {
   1123         i = findNextNalStartCode(csd0->data() + i, csd0->size() - i) - csd0->data();
   1124         ALOGV("block at %zu, last was %d", i, lastparamoffset);
   1125         if (lastparamoffset > 0) {
   1126             const uint8_t *lastparam = csd0->data() + lastparamoffset;
   1127             int size = i - lastparamoffset;
   1128             if (size > 3) {
   1129                 if (numparams && memcmp(avcc + 1, lastparam + 1, 3)) {
   1130                     ALOGW("Inconsisted profile/level found in SPS: %x,%x,%x vs %x,%x,%x",
   1131                             avcc[1], avcc[2], avcc[3], lastparam[1], lastparam[2], lastparam[3]);
   1132                 } else if (!numparams) {
   1133                     // fill in profile, constraints and level
   1134                     memcpy(avcc + 1, lastparam + 1, 3);
   1135                 }
   1136             }
   1137             avcc[avccidx++] = size >> 8;
   1138             avcc[avccidx++] = size & 0xff;
   1139             memcpy(avcc+avccidx, lastparam, size);
   1140             avccidx += size;
   1141             numparams++;
   1142         }
   1143         i += 4;
   1144         lastparamoffset = i;
   1145     } while(i < csd0->size());
   1146     ALOGV("csd0 contains %d params", numparams);
   1147 
   1148     avcc[5] = 0xe0 | numparams;
   1149     //and now csd-1
   1150     i = 0;
   1151     numparams = 0;
   1152     lastparamoffset = 0;
   1153     int numpicparamsoffset = avccidx;
   1154     avccidx++;
   1155     do {
   1156         i = findNextNalStartCode(csd1->data() + i, csd1->size() - i) - csd1->data();
   1157         ALOGV("block at %zu, last was %d", i, lastparamoffset);
   1158         if (lastparamoffset > 0) {
   1159             int size = i - lastparamoffset;
   1160             avcc[avccidx++] = size >> 8;
   1161             avcc[avccidx++] = size & 0xff;
   1162             memcpy(avcc+avccidx, csd1->data() + lastparamoffset, size);
   1163             avccidx += size;
   1164             numparams++;
   1165         }
   1166         i += 4;
   1167         lastparamoffset = i;
   1168     } while(i < csd1->size());
   1169     avcc[numpicparamsoffset] = numparams;
   1170     return avccidx;
   1171 }
   1172 
   1173 static void reassembleESDS(const sp<ABuffer> &csd0, char *esds) {
   1174     int csd0size = csd0->size();
   1175     esds[0] = 3; // kTag_ESDescriptor;
   1176     int esdescriptorsize = 26 + csd0size;
   1177     CHECK(esdescriptorsize < 268435456); // 7 bits per byte, so max is 2^28-1
   1178     esds[1] = 0x80 | (esdescriptorsize >> 21);
   1179     esds[2] = 0x80 | ((esdescriptorsize >> 14) & 0x7f);
   1180     esds[3] = 0x80 | ((esdescriptorsize >> 7) & 0x7f);
   1181     esds[4] = (esdescriptorsize & 0x7f);
   1182     esds[5] = esds[6] = 0; // es id
   1183     esds[7] = 0; // flags
   1184     esds[8] = 4; // kTag_DecoderConfigDescriptor
   1185     int configdescriptorsize = 18 + csd0size;
   1186     esds[9] = 0x80 | (configdescriptorsize >> 21);
   1187     esds[10] = 0x80 | ((configdescriptorsize >> 14) & 0x7f);
   1188     esds[11] = 0x80 | ((configdescriptorsize >> 7) & 0x7f);
   1189     esds[12] = (configdescriptorsize & 0x7f);
   1190     esds[13] = 0x40; // objectTypeIndication
   1191     // bytes 14-25 are examples from a real file. they are unused/overwritten by muxers.
   1192     esds[14] = 0x15; // streamType(5), upStream(0),
   1193     esds[15] = 0x00; // 15-17: bufferSizeDB (6KB)
   1194     esds[16] = 0x18;
   1195     esds[17] = 0x00;
   1196     esds[18] = 0x00; // 18-21: maxBitrate (64kbps)
   1197     esds[19] = 0x00;
   1198     esds[20] = 0xfa;
   1199     esds[21] = 0x00;
   1200     esds[22] = 0x00; // 22-25: avgBitrate (64kbps)
   1201     esds[23] = 0x00;
   1202     esds[24] = 0xfa;
   1203     esds[25] = 0x00;
   1204     esds[26] = 5; // kTag_DecoderSpecificInfo;
   1205     esds[27] = 0x80 | (csd0size >> 21);
   1206     esds[28] = 0x80 | ((csd0size >> 14) & 0x7f);
   1207     esds[29] = 0x80 | ((csd0size >> 7) & 0x7f);
   1208     esds[30] = (csd0size & 0x7f);
   1209     memcpy((void*)&esds[31], csd0->data(), csd0size);
   1210     // data following this is ignored, so don't bother appending it
   1211 }
   1212 
   1213 static size_t reassembleHVCC(const sp<ABuffer> &csd0, uint8_t *hvcc, size_t hvccSize, size_t nalSizeLength) {
   1214     HevcParameterSets paramSets;
   1215     uint8_t* data = csd0->data();
   1216     if (csd0->size() < 4) {
   1217         ALOGE("csd0 too small");
   1218         return 0;
   1219     }
   1220     if (memcmp(data, "\x00\x00\x00\x01", 4) != 0) {
   1221         ALOGE("csd0 doesn't start with a start code");
   1222         return 0;
   1223     }
   1224     size_t prevNalOffset = 4;
   1225     status_t err = OK;
   1226     for (size_t i = 1; i < csd0->size() - 4; ++i) {
   1227         if (memcmp(&data[i], "\x00\x00\x00\x01", 4) != 0) {
   1228             continue;
   1229         }
   1230         err = paramSets.addNalUnit(&data[prevNalOffset], i - prevNalOffset);
   1231         if (err != OK) {
   1232             return 0;
   1233         }
   1234         prevNalOffset = i + 4;
   1235     }
   1236     err = paramSets.addNalUnit(&data[prevNalOffset], csd0->size() - prevNalOffset);
   1237     if (err != OK) {
   1238         return 0;
   1239     }
   1240     size_t size = hvccSize;
   1241     err = paramSets.makeHvcc(hvcc, &size, nalSizeLength);
   1242     if (err != OK) {
   1243         return 0;
   1244     }
   1245     return size;
   1246 }
   1247 
   1248 #if 0
   1249 static void convertMessageToMetaDataInt32(
   1250         const sp<AMessage> &msg, sp<MetaData> &meta, uint32_t key, const char *name) {
   1251     int32_t value;
   1252     if (msg->findInt32(name, &value)) {
   1253         meta->setInt32(key, value);
   1254     }
   1255 }
   1256 #endif
   1257 
   1258 static void convertMessageToMetaDataColorAspects(const sp<AMessage> &msg, sp<MetaData> &meta) {
   1259     // 0 values are unspecified
   1260     int32_t range = 0, standard = 0, transfer = 0;
   1261     (void)msg->findInt32("color-range", &range);
   1262     (void)msg->findInt32("color-standard", &standard);
   1263     (void)msg->findInt32("color-transfer", &transfer);
   1264 
   1265     ColorAspects colorAspects;
   1266     memset(&colorAspects, 0, sizeof(colorAspects));
   1267     if (CodecBase::convertPlatformColorAspectsToCodecAspects(
   1268             range, standard, transfer, colorAspects) != OK) {
   1269         return;
   1270     }
   1271 
   1272     // save specified values to meta
   1273     if (colorAspects.mRange != 0) {
   1274         meta->setInt32(kKeyColorRange, colorAspects.mRange);
   1275     }
   1276     if (colorAspects.mPrimaries != 0) {
   1277         meta->setInt32(kKeyColorPrimaries, colorAspects.mPrimaries);
   1278     }
   1279     if (colorAspects.mTransfer != 0) {
   1280         meta->setInt32(kKeyTransferFunction, colorAspects.mTransfer);
   1281     }
   1282     if (colorAspects.mMatrixCoeffs != 0) {
   1283         meta->setInt32(kKeyColorMatrix, colorAspects.mMatrixCoeffs);
   1284     }
   1285 }
   1286 
   1287 void convertMessageToMetaData(const sp<AMessage> &msg, sp<MetaData> &meta) {
   1288     AString mime;
   1289     if (msg->findString("mime", &mime)) {
   1290         meta->setCString(kKeyMIMEType, mime.c_str());
   1291     } else {
   1292         ALOGW("did not find mime type");
   1293     }
   1294 
   1295     int64_t durationUs;
   1296     if (msg->findInt64("durationUs", &durationUs)) {
   1297         meta->setInt64(kKeyDuration, durationUs);
   1298     }
   1299 
   1300     int32_t isSync;
   1301     if (msg->findInt32("is-sync-frame", &isSync) && isSync != 0) {
   1302         meta->setInt32(kKeyIsSyncFrame, 1);
   1303     }
   1304 
   1305     int32_t avgBitrate = 0;
   1306     int32_t maxBitrate;
   1307     if (msg->findInt32("bitrate", &avgBitrate) && avgBitrate > 0) {
   1308         meta->setInt32(kKeyBitRate, avgBitrate);
   1309     }
   1310     if (msg->findInt32("max-bitrate", &maxBitrate) && maxBitrate > 0 && maxBitrate >= avgBitrate) {
   1311         meta->setInt32(kKeyMaxBitRate, maxBitrate);
   1312     }
   1313 
   1314     AString lang;
   1315     if (msg->findString("language", &lang)) {
   1316         meta->setCString(kKeyMediaLanguage, lang.c_str());
   1317     }
   1318 
   1319     if (mime.startsWith("video/") || mime.startsWith("image/")) {
   1320         int32_t width;
   1321         int32_t height;
   1322         if (msg->findInt32("width", &width) && msg->findInt32("height", &height)) {
   1323             meta->setInt32(kKeyWidth, width);
   1324             meta->setInt32(kKeyHeight, height);
   1325         } else {
   1326             ALOGW("did not find width and/or height");
   1327         }
   1328 
   1329         int32_t sarWidth, sarHeight;
   1330         if (msg->findInt32("sar-width", &sarWidth)
   1331                 && msg->findInt32("sar-height", &sarHeight)) {
   1332             meta->setInt32(kKeySARWidth, sarWidth);
   1333             meta->setInt32(kKeySARHeight, sarHeight);
   1334         }
   1335 
   1336         int32_t displayWidth, displayHeight;
   1337         if (msg->findInt32("display-width", &displayWidth)
   1338                 && msg->findInt32("display-height", &displayHeight)) {
   1339             meta->setInt32(kKeyDisplayWidth, displayWidth);
   1340             meta->setInt32(kKeyDisplayHeight, displayHeight);
   1341         }
   1342 
   1343         if (mime.startsWith("image/")){
   1344             int32_t isPrimary;
   1345             if (msg->findInt32("is-default", &isPrimary) && isPrimary) {
   1346                 meta->setInt32(kKeyTrackIsDefault, 1);
   1347             }
   1348             int32_t tileWidth, tileHeight, gridRows, gridCols;
   1349             if (msg->findInt32("tile-width", &tileWidth)) {
   1350                 meta->setInt32(kKeyTileWidth, tileWidth);
   1351             }
   1352             if (msg->findInt32("tile-height", &tileHeight)) {
   1353                 meta->setInt32(kKeyTileHeight, tileHeight);
   1354             }
   1355             if (msg->findInt32("grid-rows", &gridRows)) {
   1356                 meta->setInt32(kKeyGridRows, gridRows);
   1357             }
   1358             if (msg->findInt32("grid-cols", &gridCols)) {
   1359                 meta->setInt32(kKeyGridCols, gridCols);
   1360             }
   1361         }
   1362 
   1363         int32_t colorFormat;
   1364         if (msg->findInt32("color-format", &colorFormat)) {
   1365             meta->setInt32(kKeyColorFormat, colorFormat);
   1366         }
   1367 
   1368         int32_t cropLeft, cropTop, cropRight, cropBottom;
   1369         if (msg->findRect("crop",
   1370                           &cropLeft,
   1371                           &cropTop,
   1372                           &cropRight,
   1373                           &cropBottom)) {
   1374             meta->setRect(kKeyCropRect, cropLeft, cropTop, cropRight, cropBottom);
   1375         }
   1376 
   1377         int32_t rotationDegrees;
   1378         if (msg->findInt32("rotation-degrees", &rotationDegrees)) {
   1379             meta->setInt32(kKeyRotation, rotationDegrees);
   1380         }
   1381 
   1382         if (msg->contains("hdr-static-info")) {
   1383             HDRStaticInfo info;
   1384             if (ColorUtils::getHDRStaticInfoFromFormat(msg, &info)) {
   1385                 meta->setData(kKeyHdrStaticInfo, 'hdrS', &info, sizeof(info));
   1386             }
   1387         }
   1388 
   1389         convertMessageToMetaDataColorAspects(msg, meta);
   1390 
   1391         AString tsSchema;
   1392         if (msg->findString("ts-schema", &tsSchema)) {
   1393             unsigned int numLayers = 0;
   1394             unsigned int numBLayers = 0;
   1395             char dummy;
   1396             int tags = sscanf(tsSchema.c_str(), "android.generic.%u%c%u%c",
   1397                     &numLayers, &dummy, &numBLayers, &dummy);
   1398             if ((tags == 1 || (tags == 3 && dummy == '+'))
   1399                     && numLayers > 0 && numLayers < UINT32_MAX - numBLayers
   1400                     && numLayers + numBLayers <= INT32_MAX) {
   1401                 meta->setInt32(kKeyTemporalLayerCount, numLayers + numBLayers);
   1402             }
   1403         }
   1404     } else if (mime.startsWith("audio/")) {
   1405         int32_t numChannels;
   1406         if (msg->findInt32("channel-count", &numChannels)) {
   1407             meta->setInt32(kKeyChannelCount, numChannels);
   1408         }
   1409         int32_t sampleRate;
   1410         if (msg->findInt32("sample-rate", &sampleRate)) {
   1411             meta->setInt32(kKeySampleRate, sampleRate);
   1412         }
   1413         int32_t channelMask;
   1414         if (msg->findInt32("channel-mask", &channelMask)) {
   1415             meta->setInt32(kKeyChannelMask, channelMask);
   1416         }
   1417         int32_t delay = 0;
   1418         if (msg->findInt32("encoder-delay", &delay)) {
   1419             meta->setInt32(kKeyEncoderDelay, delay);
   1420         }
   1421         int32_t padding = 0;
   1422         if (msg->findInt32("encoder-padding", &padding)) {
   1423             meta->setInt32(kKeyEncoderPadding, padding);
   1424         }
   1425 
   1426         int32_t isADTS;
   1427         if (msg->findInt32("is-adts", &isADTS)) {
   1428             meta->setInt32(kKeyIsADTS, isADTS);
   1429         }
   1430 
   1431         int32_t pcmEncoding;
   1432         if (msg->findInt32("pcm-encoding", &pcmEncoding)) {
   1433             meta->setInt32(kKeyPcmEncoding, pcmEncoding);
   1434         }
   1435     }
   1436 
   1437     int32_t maxInputSize;
   1438     if (msg->findInt32("max-input-size", &maxInputSize)) {
   1439         meta->setInt32(kKeyMaxInputSize, maxInputSize);
   1440     }
   1441 
   1442     int32_t maxWidth;
   1443     if (msg->findInt32("max-width", &maxWidth)) {
   1444         meta->setInt32(kKeyMaxWidth, maxWidth);
   1445     }
   1446 
   1447     int32_t maxHeight;
   1448     if (msg->findInt32("max-height", &maxHeight)) {
   1449         meta->setInt32(kKeyMaxHeight, maxHeight);
   1450     }
   1451 
   1452     int32_t fps;
   1453     float fpsFloat;
   1454     if (msg->findInt32("frame-rate", &fps) && fps > 0) {
   1455         meta->setInt32(kKeyFrameRate, fps);
   1456     } else if (msg->findFloat("frame-rate", &fpsFloat)
   1457             && fpsFloat >= 1 && fpsFloat <= INT32_MAX) {
   1458         // truncate values to distinguish between e.g. 24 vs 23.976 fps
   1459         meta->setInt32(kKeyFrameRate, (int32_t)fpsFloat);
   1460     }
   1461 
   1462     // reassemble the csd data into its original form
   1463     sp<ABuffer> csd0, csd1, csd2;
   1464     if (msg->findBuffer("csd-0", &csd0)) {
   1465         int csd0size = csd0->size();
   1466         if (mime == MEDIA_MIMETYPE_VIDEO_AVC) {
   1467             sp<ABuffer> csd1;
   1468             if (msg->findBuffer("csd-1", &csd1)) {
   1469                 std::vector<char> avcc(csd0size + csd1->size() + 1024);
   1470                 size_t outsize = reassembleAVCC(csd0, csd1, avcc.data());
   1471                 meta->setData(kKeyAVCC, kKeyAVCC, avcc.data(), outsize);
   1472             }
   1473         } else if (mime == MEDIA_MIMETYPE_AUDIO_AAC || mime == MEDIA_MIMETYPE_VIDEO_MPEG4) {
   1474             std::vector<char> esds(csd0size + 31);
   1475             // The written ESDS is actually for an audio stream, but it's enough
   1476             // for transporting the CSD to muxers.
   1477             reassembleESDS(csd0, esds.data());
   1478             meta->setData(kKeyESDS, kKeyESDS, esds.data(), esds.size());
   1479         } else if (mime == MEDIA_MIMETYPE_VIDEO_HEVC ||
   1480                    mime == MEDIA_MIMETYPE_IMAGE_ANDROID_HEIC) {
   1481             std::vector<uint8_t> hvcc(csd0size + 1024);
   1482             size_t outsize = reassembleHVCC(csd0, hvcc.data(), hvcc.size(), 4);
   1483             meta->setData(kKeyHVCC, kKeyHVCC, hvcc.data(), outsize);
   1484         } else if (mime == MEDIA_MIMETYPE_VIDEO_VP9) {
   1485             meta->setData(kKeyVp9CodecPrivate, 0, csd0->data(), csd0->size());
   1486         } else if (mime == MEDIA_MIMETYPE_AUDIO_OPUS) {
   1487             meta->setData(kKeyOpusHeader, 0, csd0->data(), csd0->size());
   1488             if (msg->findBuffer("csd-1", &csd1)) {
   1489                 meta->setData(kKeyOpusCodecDelay, 0, csd1->data(), csd1->size());
   1490             }
   1491             if (msg->findBuffer("csd-2", &csd2)) {
   1492                 meta->setData(kKeyOpusSeekPreRoll, 0, csd2->data(), csd2->size());
   1493             }
   1494         } else if (mime == MEDIA_MIMETYPE_AUDIO_VORBIS) {
   1495             meta->setData(kKeyVorbisInfo, 0, csd0->data(), csd0->size());
   1496             if (msg->findBuffer("csd-1", &csd1)) {
   1497                 meta->setData(kKeyVorbisBooks, 0, csd1->data(), csd1->size());
   1498             }
   1499         }
   1500     }
   1501 
   1502     int32_t timeScale;
   1503     if (msg->findInt32("time-scale", &timeScale)) {
   1504         meta->setInt32(kKeyTimeScale, timeScale);
   1505     }
   1506 
   1507     // XXX TODO add whatever other keys there are
   1508 
   1509 #if 0
   1510     ALOGI("converted %s to:", msg->debugString(0).c_str());
   1511     meta->dumpToLog();
   1512 #endif
   1513 }
   1514 
   1515 AString MakeUserAgent() {
   1516     AString ua;
   1517     ua.append("stagefright/1.2 (Linux;Android ");
   1518 
   1519 #if (PROPERTY_VALUE_MAX < 8)
   1520 #error "PROPERTY_VALUE_MAX must be at least 8"
   1521 #endif
   1522 
   1523     char value[PROPERTY_VALUE_MAX];
   1524     property_get("ro.build.version.release", value, "Unknown");
   1525     ua.append(value);
   1526     ua.append(")");
   1527 
   1528     return ua;
   1529 }
   1530 
   1531 status_t sendMetaDataToHal(sp<MediaPlayerBase::AudioSink>& sink,
   1532                            const sp<MetaData>& meta)
   1533 {
   1534     int32_t sampleRate = 0;
   1535     int32_t bitRate = 0;
   1536     int32_t channelMask = 0;
   1537     int32_t delaySamples = 0;
   1538     int32_t paddingSamples = 0;
   1539 
   1540     AudioParameter param = AudioParameter();
   1541 
   1542     if (meta->findInt32(kKeySampleRate, &sampleRate)) {
   1543         param.addInt(String8(AUDIO_OFFLOAD_CODEC_SAMPLE_RATE), sampleRate);
   1544     }
   1545     if (meta->findInt32(kKeyChannelMask, &channelMask)) {
   1546         param.addInt(String8(AUDIO_OFFLOAD_CODEC_NUM_CHANNEL), channelMask);
   1547     }
   1548     if (meta->findInt32(kKeyBitRate, &bitRate)) {
   1549         param.addInt(String8(AUDIO_OFFLOAD_CODEC_AVG_BIT_RATE), bitRate);
   1550     }
   1551     if (meta->findInt32(kKeyEncoderDelay, &delaySamples)) {
   1552         param.addInt(String8(AUDIO_OFFLOAD_CODEC_DELAY_SAMPLES), delaySamples);
   1553     }
   1554     if (meta->findInt32(kKeyEncoderPadding, &paddingSamples)) {
   1555         param.addInt(String8(AUDIO_OFFLOAD_CODEC_PADDING_SAMPLES), paddingSamples);
   1556     }
   1557 
   1558     ALOGV("sendMetaDataToHal: bitRate %d, sampleRate %d, chanMask %d,"
   1559           "delaySample %d, paddingSample %d", bitRate, sampleRate,
   1560           channelMask, delaySamples, paddingSamples);
   1561 
   1562     sink->setParameters(param.toString());
   1563     return OK;
   1564 }
   1565 
   1566 struct mime_conv_t {
   1567     const char* mime;
   1568     audio_format_t format;
   1569 };
   1570 
   1571 static const struct mime_conv_t mimeLookup[] = {
   1572     { MEDIA_MIMETYPE_AUDIO_MPEG,        AUDIO_FORMAT_MP3 },
   1573     { MEDIA_MIMETYPE_AUDIO_RAW,         AUDIO_FORMAT_PCM_16_BIT },
   1574     { MEDIA_MIMETYPE_AUDIO_AMR_NB,      AUDIO_FORMAT_AMR_NB },
   1575     { MEDIA_MIMETYPE_AUDIO_AMR_WB,      AUDIO_FORMAT_AMR_WB },
   1576     { MEDIA_MIMETYPE_AUDIO_AAC,         AUDIO_FORMAT_AAC },
   1577     { MEDIA_MIMETYPE_AUDIO_VORBIS,      AUDIO_FORMAT_VORBIS },
   1578     { MEDIA_MIMETYPE_AUDIO_OPUS,        AUDIO_FORMAT_OPUS},
   1579     { MEDIA_MIMETYPE_AUDIO_AC3,         AUDIO_FORMAT_AC3},
   1580     { MEDIA_MIMETYPE_AUDIO_FLAC,        AUDIO_FORMAT_FLAC},
   1581     { 0, AUDIO_FORMAT_INVALID }
   1582 };
   1583 
   1584 status_t mapMimeToAudioFormat( audio_format_t& format, const char* mime )
   1585 {
   1586 const struct mime_conv_t* p = &mimeLookup[0];
   1587     while (p->mime != NULL) {
   1588         if (0 == strcasecmp(mime, p->mime)) {
   1589             format = p->format;
   1590             return OK;
   1591         }
   1592         ++p;
   1593     }
   1594 
   1595     return BAD_VALUE;
   1596 }
   1597 
   1598 struct aac_format_conv_t {
   1599     OMX_AUDIO_AACPROFILETYPE eAacProfileType;
   1600     audio_format_t format;
   1601 };
   1602 
   1603 static const struct aac_format_conv_t profileLookup[] = {
   1604     { OMX_AUDIO_AACObjectMain,        AUDIO_FORMAT_AAC_MAIN},
   1605     { OMX_AUDIO_AACObjectLC,          AUDIO_FORMAT_AAC_LC},
   1606     { OMX_AUDIO_AACObjectSSR,         AUDIO_FORMAT_AAC_SSR},
   1607     { OMX_AUDIO_AACObjectLTP,         AUDIO_FORMAT_AAC_LTP},
   1608     { OMX_AUDIO_AACObjectHE,          AUDIO_FORMAT_AAC_HE_V1},
   1609     { OMX_AUDIO_AACObjectScalable,    AUDIO_FORMAT_AAC_SCALABLE},
   1610     { OMX_AUDIO_AACObjectERLC,        AUDIO_FORMAT_AAC_ERLC},
   1611     { OMX_AUDIO_AACObjectLD,          AUDIO_FORMAT_AAC_LD},
   1612     { OMX_AUDIO_AACObjectHE_PS,       AUDIO_FORMAT_AAC_HE_V2},
   1613     { OMX_AUDIO_AACObjectELD,         AUDIO_FORMAT_AAC_ELD},
   1614     { OMX_AUDIO_AACObjectXHE,         AUDIO_FORMAT_AAC_XHE},
   1615     { OMX_AUDIO_AACObjectNull,        AUDIO_FORMAT_AAC},
   1616 };
   1617 
   1618 void mapAACProfileToAudioFormat( audio_format_t& format, uint64_t eAacProfile)
   1619 {
   1620 const struct aac_format_conv_t* p = &profileLookup[0];
   1621     while (p->eAacProfileType != OMX_AUDIO_AACObjectNull) {
   1622         if (eAacProfile == p->eAacProfileType) {
   1623             format = p->format;
   1624             return;
   1625         }
   1626         ++p;
   1627     }
   1628     format = AUDIO_FORMAT_AAC;
   1629     return;
   1630 }
   1631 
   1632 bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo,
   1633                       bool isStreaming, audio_stream_type_t streamType)
   1634 {
   1635     const char *mime;
   1636     if (meta == NULL) {
   1637         return false;
   1638     }
   1639     CHECK(meta->findCString(kKeyMIMEType, &mime));
   1640 
   1641     audio_offload_info_t info = AUDIO_INFO_INITIALIZER;
   1642 
   1643     info.format = AUDIO_FORMAT_INVALID;
   1644     if (mapMimeToAudioFormat(info.format, mime) != OK) {
   1645         ALOGE(" Couldn't map mime type \"%s\" to a valid AudioSystem::audio_format !", mime);
   1646         return false;
   1647     } else {
   1648         ALOGV("Mime type \"%s\" mapped to audio_format %d", mime, info.format);
   1649     }
   1650 
   1651     if (AUDIO_FORMAT_INVALID == info.format) {
   1652         // can't offload if we don't know what the source format is
   1653         ALOGE("mime type \"%s\" not a known audio format", mime);
   1654         return false;
   1655     }
   1656 
   1657     // Redefine aac format according to its profile
   1658     // Offloading depends on audio DSP capabilities.
   1659     int32_t aacaot = -1;
   1660     if (meta->findInt32(kKeyAACAOT, &aacaot)) {
   1661         mapAACProfileToAudioFormat(info.format,(OMX_AUDIO_AACPROFILETYPE) aacaot);
   1662     }
   1663 
   1664     int32_t srate = -1;
   1665     if (!meta->findInt32(kKeySampleRate, &srate)) {
   1666         ALOGV("track of type '%s' does not publish sample rate", mime);
   1667     }
   1668     info.sample_rate = srate;
   1669 
   1670     int32_t cmask = 0;
   1671     if (!meta->findInt32(kKeyChannelMask, &cmask)) {
   1672         ALOGV("track of type '%s' does not publish channel mask", mime);
   1673 
   1674         // Try a channel count instead
   1675         int32_t channelCount;
   1676         if (!meta->findInt32(kKeyChannelCount, &channelCount)) {
   1677             ALOGV("track of type '%s' does not publish channel count", mime);
   1678         } else {
   1679             cmask = audio_channel_out_mask_from_count(channelCount);
   1680         }
   1681     }
   1682     info.channel_mask = cmask;
   1683 
   1684     int64_t duration = 0;
   1685     if (!meta->findInt64(kKeyDuration, &duration)) {
   1686         ALOGV("track of type '%s' does not publish duration", mime);
   1687     }
   1688     info.duration_us = duration;
   1689 
   1690     int32_t brate = -1;
   1691     if (!meta->findInt32(kKeyBitRate, &brate)) {
   1692         ALOGV("track of type '%s' does not publish bitrate", mime);
   1693     }
   1694     info.bit_rate = brate;
   1695 
   1696 
   1697     info.stream_type = streamType;
   1698     info.has_video = hasVideo;
   1699     info.is_streaming = isStreaming;
   1700 
   1701     // Check if offload is possible for given format, stream type, sample rate,
   1702     // bit rate, duration, video and streaming
   1703     return AudioSystem::isOffloadSupported(info);
   1704 }
   1705 
   1706 AString uriDebugString(const AString &uri, bool incognito) {
   1707     if (incognito) {
   1708         return AString("<URI suppressed>");
   1709     }
   1710 
   1711     if (property_get_bool("media.stagefright.log-uri", false)) {
   1712         return uri;
   1713     }
   1714 
   1715     // find scheme
   1716     AString scheme;
   1717     const char *chars = uri.c_str();
   1718     for (size_t i = 0; i < uri.size(); i++) {
   1719         const char c = chars[i];
   1720         if (!isascii(c)) {
   1721             break;
   1722         } else if (isalpha(c)) {
   1723             continue;
   1724         } else if (i == 0) {
   1725             // first character must be a letter
   1726             break;
   1727         } else if (isdigit(c) || c == '+' || c == '.' || c =='-') {
   1728             continue;
   1729         } else if (c != ':') {
   1730             break;
   1731         }
   1732         scheme = AString(uri, 0, i);
   1733         scheme.append("://<suppressed>");
   1734         return scheme;
   1735     }
   1736     return AString("<no-scheme URI suppressed>");
   1737 }
   1738 
   1739 HLSTime::HLSTime(const sp<AMessage>& meta) :
   1740     mSeq(-1),
   1741     mTimeUs(-1ll),
   1742     mMeta(meta) {
   1743     if (meta != NULL) {
   1744         CHECK(meta->findInt32("discontinuitySeq", &mSeq));
   1745         CHECK(meta->findInt64("timeUs", &mTimeUs));
   1746     }
   1747 }
   1748 
   1749 int64_t HLSTime::getSegmentTimeUs() const {
   1750     int64_t segmentStartTimeUs = -1ll;
   1751     if (mMeta != NULL) {
   1752         CHECK(mMeta->findInt64("segmentStartTimeUs", &segmentStartTimeUs));
   1753 
   1754         int64_t segmentFirstTimeUs;
   1755         if (mMeta->findInt64("segmentFirstTimeUs", &segmentFirstTimeUs)) {
   1756             segmentStartTimeUs += mTimeUs - segmentFirstTimeUs;
   1757         }
   1758 
   1759         // adjust segment time by playlist age (for live streaming)
   1760         int64_t playlistTimeUs;
   1761         if (mMeta->findInt64("playlistTimeUs", &playlistTimeUs)) {
   1762             int64_t playlistAgeUs = ALooper::GetNowUs() - playlistTimeUs;
   1763 
   1764             int64_t durationUs;
   1765             CHECK(mMeta->findInt64("segmentDurationUs", &durationUs));
   1766 
   1767             // round to nearest whole segment
   1768             playlistAgeUs = (playlistAgeUs + durationUs / 2)
   1769                     / durationUs * durationUs;
   1770 
   1771             segmentStartTimeUs -= playlistAgeUs;
   1772             if (segmentStartTimeUs < 0) {
   1773                 segmentStartTimeUs = 0;
   1774             }
   1775         }
   1776     }
   1777     return segmentStartTimeUs;
   1778 }
   1779 
   1780 bool operator <(const HLSTime &t0, const HLSTime &t1) {
   1781     // we can only compare discontinuity sequence and timestamp.
   1782     // (mSegmentTimeUs is not reliable in live streaming case, it's the
   1783     // time starting from beginning of playlist but playlist could change.)
   1784     return t0.mSeq < t1.mSeq
   1785             || (t0.mSeq == t1.mSeq && t0.mTimeUs < t1.mTimeUs);
   1786 }
   1787 
   1788 void writeToAMessage(const sp<AMessage> &msg, const AudioPlaybackRate &rate) {
   1789     msg->setFloat("speed", rate.mSpeed);
   1790     msg->setFloat("pitch", rate.mPitch);
   1791     msg->setInt32("audio-fallback-mode", rate.mFallbackMode);
   1792     msg->setInt32("audio-stretch-mode", rate.mStretchMode);
   1793 }
   1794 
   1795 void readFromAMessage(const sp<AMessage> &msg, AudioPlaybackRate *rate /* nonnull */) {
   1796     *rate = AUDIO_PLAYBACK_RATE_DEFAULT;
   1797     CHECK(msg->findFloat("speed", &rate->mSpeed));
   1798     CHECK(msg->findFloat("pitch", &rate->mPitch));
   1799     CHECK(msg->findInt32("audio-fallback-mode", (int32_t *)&rate->mFallbackMode));
   1800     CHECK(msg->findInt32("audio-stretch-mode", (int32_t *)&rate->mStretchMode));
   1801 }
   1802 
   1803 void writeToAMessage(const sp<AMessage> &msg, const AVSyncSettings &sync, float videoFpsHint) {
   1804     msg->setInt32("sync-source", sync.mSource);
   1805     msg->setInt32("audio-adjust-mode", sync.mAudioAdjustMode);
   1806     msg->setFloat("tolerance", sync.mTolerance);
   1807     msg->setFloat("video-fps", videoFpsHint);
   1808 }
   1809 
   1810 void readFromAMessage(
   1811         const sp<AMessage> &msg,
   1812         AVSyncSettings *sync /* nonnull */,
   1813         float *videoFps /* nonnull */) {
   1814     AVSyncSettings settings;
   1815     CHECK(msg->findInt32("sync-source", (int32_t *)&settings.mSource));
   1816     CHECK(msg->findInt32("audio-adjust-mode", (int32_t *)&settings.mAudioAdjustMode));
   1817     CHECK(msg->findFloat("tolerance", &settings.mTolerance));
   1818     CHECK(msg->findFloat("video-fps", videoFps));
   1819     *sync = settings;
   1820 }
   1821 
   1822 void writeToAMessage(const sp<AMessage> &msg, const BufferingSettings &buffering) {
   1823     msg->setInt32("init-ms", buffering.mInitialMarkMs);
   1824     msg->setInt32("resume-playback-ms", buffering.mResumePlaybackMarkMs);
   1825 }
   1826 
   1827 void readFromAMessage(const sp<AMessage> &msg, BufferingSettings *buffering /* nonnull */) {
   1828     int32_t value;
   1829     if (msg->findInt32("init-ms", &value)) {
   1830         buffering->mInitialMarkMs = value;
   1831     }
   1832     if (msg->findInt32("resume-playback-ms", &value)) {
   1833         buffering->mResumePlaybackMarkMs = value;
   1834     }
   1835 }
   1836 
   1837 AString nameForFd(int fd) {
   1838     const size_t SIZE = 256;
   1839     char buffer[SIZE];
   1840     AString result;
   1841     snprintf(buffer, SIZE, "/proc/%d/fd/%d", getpid(), fd);
   1842     struct stat s;
   1843     if (lstat(buffer, &s) == 0) {
   1844         if ((s.st_mode & S_IFMT) == S_IFLNK) {
   1845             char linkto[256];
   1846             int len = readlink(buffer, linkto, sizeof(linkto));
   1847             if(len > 0) {
   1848                 if(len > 255) {
   1849                     linkto[252] = '.';
   1850                     linkto[253] = '.';
   1851                     linkto[254] = '.';
   1852                     linkto[255] = 0;
   1853                 } else {
   1854                     linkto[len] = 0;
   1855                 }
   1856                 result.append(linkto);
   1857             }
   1858         } else {
   1859             result.append("unexpected type for ");
   1860             result.append(buffer);
   1861         }
   1862     } else {
   1863         result.append("couldn't open ");
   1864         result.append(buffer);
   1865     }
   1866     return result;
   1867 }
   1868 
   1869 }  // namespace android
   1870 
   1871