The Tor Browser: content/media/fmp4/demuxer/fourccs.h@a63d609f5ebe

     1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     5 #ifndef MEDIA_MP4_FOURCCS_H_

     6 #define MEDIA_MP4_FOURCCS_H_

     8 #include <string>

    10 namespace mp4_demuxer {

    12 enum FourCC {

    13   FOURCC_NULL = 0,

    14   FOURCC_AVC1 = 0x61766331,

    15   FOURCC_AVCC = 0x61766343,

    16   FOURCC_BLOC = 0x626C6F63,

    17   FOURCC_CENC = 0x63656e63,

    18   FOURCC_CO64 = 0x636f3634,

    19   FOURCC_CTTS = 0x63747473,

    20   FOURCC_DINF = 0x64696e66,

    21   FOURCC_EDTS = 0x65647473,

    22   FOURCC_ELST = 0x656c7374,

    23   FOURCC_ENCA = 0x656e6361,

    24   FOURCC_ENCV = 0x656e6376,

    25   FOURCC_ESDS = 0x65736473,

    26   FOURCC_FREE = 0x66726565,

    27   FOURCC_FRMA = 0x66726d61,

    28   FOURCC_FTYP = 0x66747970,

    29   FOURCC_HDLR = 0x68646c72,

    30   FOURCC_HINT = 0x68696e74,

    31   FOURCC_IODS = 0x696f6473,

    32   FOURCC_MDAT = 0x6d646174,

    33   FOURCC_MDHD = 0x6d646864,

    34   FOURCC_MDIA = 0x6d646961,

    35   FOURCC_MECO = 0x6d65636f,

    36   FOURCC_MEHD = 0x6d656864,

    37   FOURCC_META = 0x6d657461,

    38   FOURCC_MFHD = 0x6d666864,

    39   FOURCC_MFRA = 0x6d667261,

    40   FOURCC_MINF = 0x6d696e66,

    41   FOURCC_MOOF = 0x6d6f6f66,

    42   FOURCC_MOOV = 0x6d6f6f76,

    43   FOURCC_MP4A = 0x6d703461,

    44   FOURCC_MP4V = 0x6d703476,

    45   FOURCC_MVEX = 0x6d766578,

    46   FOURCC_MVHD = 0x6d766864,

    47   FOURCC_PASP = 0x70617370,

    48   FOURCC_PDIN = 0x7064696e,

    49   FOURCC_PRFT = 0x70726674,

    50   FOURCC_PSSH = 0x70737368,

    51   FOURCC_SAIO = 0x7361696f,

    52   FOURCC_SAIZ = 0x7361697a,

    53   FOURCC_SCHI = 0x73636869,

    54   FOURCC_SCHM = 0x7363686d,

    55   FOURCC_SDTP = 0x73647470,

    56   FOURCC_SIDX = 0x73696478,

    57   FOURCC_SINF = 0x73696e66,

    58   FOURCC_SKIP = 0x736b6970,

    59   FOURCC_SMHD = 0x736d6864,

    60   FOURCC_SOUN = 0x736f756e,

    61   FOURCC_SSIX = 0x73736978,

    62   FOURCC_STBL = 0x7374626c,

    63   FOURCC_STCO = 0x7374636f,

    64   FOURCC_STSC = 0x73747363,

    65   FOURCC_STSD = 0x73747364,

    66   FOURCC_STSS = 0x73747373,

    67   FOURCC_STSZ = 0x7374737a,

    68   FOURCC_STTS = 0x73747473,

    69   FOURCC_STYP = 0x73747970,

    70   FOURCC_TENC = 0x74656e63,

    71   FOURCC_TFDT = 0x74666474,

    72   FOURCC_TFHD = 0x74666864,

    73   FOURCC_TKHD = 0x746b6864,

    74   FOURCC_TRAF = 0x74726166,

    75   FOURCC_TRAK = 0x7472616b,

    76   FOURCC_TREX = 0x74726578,

    77   FOURCC_TRUN = 0x7472756e,

    78   FOURCC_UDTA = 0x75647461,

    79   FOURCC_UUID = 0x75756964,

    80   FOURCC_VIDE = 0x76696465,

    81   FOURCC_VMHD = 0x766d6864,

    82   FOURCC_WIDE = 0x77696465,

    83 };

    85 const inline std::string FourCCToString(FourCC fourcc) {

    86   char buf[5];

    87   buf[0] = (fourcc >> 24) & 0xff;

    88   buf[1] = (fourcc >> 16) & 0xff;

    89   buf[2] = (fourcc >> 8) & 0xff;

    90   buf[3] = (fourcc) & 0xff;

    91   buf[4] = 0;

    92   return std::string(buf);

    93 }

    95 }  // namespace mp4_demuxer

    97 #endif  // MEDIA_MP4_FOURCCS_H_

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