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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_FORMATS_MP4_FOURCCS_H_
#define MEDIA_FORMATS_MP4_FOURCCS_H_
#include <string>
#include "media/media_buildflags.h"
namespace media {
namespace mp4 {
enum FourCC {
FOURCC_NULL = 0,
#if BUILDFLAG(ENABLE_PLATFORM_AC3_EAC3_AUDIO)
FOURCC_AC3 = 0x61632d33, // "ac-3"
FOURCC_EAC3 = 0x65632d33, // "ec-3"
#endif
#if BUILDFLAG(ENABLE_AV1_DECODER)
FOURCC_AV01 = 0x61763031, // "av01"
FOURCC_AV1C = 0x61763143, // "av1C"
#endif
FOURCC_AVC1 = 0x61766331,
FOURCC_AVC3 = 0x61766333,
FOURCC_AVCC = 0x61766343,
FOURCC_BLOC = 0x626C6F63,
FOURCC_CBCS = 0x63626373,
FOURCC_CENC = 0x63656e63,
FOURCC_CLLI = 0x636c6c69,
FOURCC_COLL = 0x436f4c4c, // "CoLL"
FOURCC_CO64 = 0x636f3634,
FOURCC_COLR = 0x636f6c72,
FOURCC_CTTS = 0x63747473,
FOURCC_DFLA = 0x64664c61, // "dfLa"
FOURCC_DINF = 0x64696e66,
FOURCC_DOPS = 0x644f7073, // "dOps"
#if BUILDFLAG(ENABLE_PLATFORM_DOLBY_VISION)
FOURCC_DVA1 = 0x64766131,
FOURCC_DVAV = 0x64766176,
FOURCC_DVCC = 0x64766343,
FOURCC_DVVC = 0x64767643,
#if BUILDFLAG(ENABLE_PLATFORM_HEVC)
FOURCC_DVH1 = 0x64766831,
FOURCC_DVHE = 0x64766865,
#endif
#endif
FOURCC_EDTS = 0x65647473,
FOURCC_EMSG = 0x656d7367,
FOURCC_ELST = 0x656c7374,
FOURCC_ENCA = 0x656e6361,
FOURCC_ENCV = 0x656e6376,
FOURCC_ESDS = 0x65736473,
FOURCC_FLAC = 0x664c6143, // "fLaC"
FOURCC_FREE = 0x66726565,
FOURCC_FRMA = 0x66726d61,
FOURCC_FTYP = 0x66747970,
FOURCC_HDLR = 0x68646c72,
FOURCC_HINT = 0x68696e74,
#if BUILDFLAG(ENABLE_PLATFORM_HEVC)
FOURCC_HEV1 = 0x68657631,
FOURCC_HVC1 = 0x68766331,
FOURCC_HVCC = 0x68766343,
#endif
FOURCC_ID32 = 0x49443332,
FOURCC_IODS = 0x696f6473,
FOURCC_MDAT = 0x6d646174,
FOURCC_MDCV = 0x6d646376,
FOURCC_MDHD = 0x6d646864,
FOURCC_MDIA = 0x6d646961,
FOURCC_MECO = 0x6d65636f,
FOURCC_MEHD = 0x6d656864,
FOURCC_META = 0x6d657461,
FOURCC_MFHD = 0x6d666864,
FOURCC_MFRA = 0x6d667261,
#if BUILDFLAG(ENABLE_PLATFORM_MPEG_H_AUDIO)
FOURCC_MHM1 = 0x6d686d31,
FOURCC_MHA1 = 0x6d686131,
#endif
FOURCC_MINF = 0x6d696e66,
FOURCC_MOOF = 0x6d6f6f66,
FOURCC_MOOV = 0x6d6f6f76,
FOURCC_MP4A = 0x6d703461,
FOURCC_MP4V = 0x6d703476,
FOURCC_MVEX = 0x6d766578,
FOURCC_MVHD = 0x6d766864,
FOURCC_NCLX = 0x6e636c78,
FOURCC_OPUS = 0x4f707573, // "Opus"
FOURCC_PASP = 0x70617370,
FOURCC_PDIN = 0x7064696e,
FOURCC_PRFT = 0x70726674,
FOURCC_PSSH = 0x70737368,
FOURCC_SAIO = 0x7361696f,
FOURCC_SAIZ = 0x7361697a,
FOURCC_SBGP = 0x73626770,
FOURCC_SBTL = 0x7362746c,
FOURCC_SCHI = 0x73636869,
FOURCC_SCHM = 0x7363686d,
FOURCC_SDTP = 0x73647470,
FOURCC_SEIG = 0x73656967,
FOURCC_SENC = 0x73656e63,
FOURCC_SGPD = 0x73677064,
FOURCC_SIDX = 0x73696478,
FOURCC_SINF = 0x73696e66,
FOURCC_SKIP = 0x736b6970,
FOURCC_SMDM = 0x536d446d, // "SmDm"
FOURCC_SMHD = 0x736d6864,
FOURCC_SOUN = 0x736f756e,
FOURCC_SSIX = 0x73736978,
FOURCC_STBL = 0x7374626c,
FOURCC_STCO = 0x7374636f,
FOURCC_STSC = 0x73747363,
FOURCC_STSD = 0x73747364,
FOURCC_STSS = 0x73747373,
FOURCC_STSZ = 0x7374737a,
FOURCC_STTS = 0x73747473,
FOURCC_STYP = 0x73747970,
FOURCC_SUBT = 0x73756274,
FOURCC_TENC = 0x74656e63,
FOURCC_TEXT = 0x74657874,
FOURCC_TFDT = 0x74666474,
FOURCC_TFHD = 0x74666864,
FOURCC_TKHD = 0x746b6864,
FOURCC_TRAF = 0x74726166,
FOURCC_TRAK = 0x7472616b,
FOURCC_TREX = 0x74726578,
FOURCC_TRUN = 0x7472756e,
FOURCC_UDTA = 0x75647461,
FOURCC_UUID = 0x75756964,
FOURCC_VIDE = 0x76696465,
FOURCC_VMHD = 0x766d6864,
FOURCC_VP09 = 0x76703039,
FOURCC_VPCC = 0x76706343,
FOURCC_WIDE = 0x77696465,
};
const inline std::string FourCCToString(FourCC fourcc) {
char buf[5];
buf[0] = (fourcc >> 24) & 0xff;
buf[1] = (fourcc >> 16) & 0xff;
buf[2] = (fourcc >> 8) & 0xff;
buf[3] = (fourcc) & 0xff;
buf[4] = 0;
// Return hex itself if characters can not be printed. Any character within
// the "C" locale is considered printable.
for (int i = 0; i < 4; ++i) {
if (!(buf[i] > 0x1f && buf[i] < 0x7f)) {
std::stringstream hex_string;
hex_string << "0x" << std::hex << fourcc;
return hex_string.str();
}
}
return std::string(buf);
}
} // namespace mp4
} // namespace media
#endif // MEDIA_FORMATS_MP4_FOURCCS_H_