Implement ISO BMFF support in Media Source (try 2).

media/mp4/fourccs.h

Index: media/mp4/fourccs.h
diff --git a/media/mp4/fourccs.h b/media/mp4/fourccs.h
new file mode 100644
index 0000000000000000000000000000000000000000..8092ddad77d5ebcc5ec00691dd9a6c5b4226f2d1
--- /dev/null
+++ b/media/mp4/fourccs.h
@@ -0,0 +1,98 @@
+// Copyright (c) 2012 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_MP4_FOURCCS_H_
+#define MEDIA_MP4_FOURCCS_H_
+
+#include <string>
+
+namespace media {
+namespace mp4 {
+
+enum FourCC {
+  FOURCC_NULL = 0,
+  FOURCC_AVC1 = 0x61766331,
+  FOURCC_AVCC = 0x61766343,
+  FOURCC_CENC = 0x63656e63,
+  FOURCC_CO64 = 0x636f3634,
+  FOURCC_CTTS = 0x63747473,
+  FOURCC_DINF = 0x64696e66,
+  FOURCC_EDTS = 0x65647473,
+  FOURCC_ELST = 0x656c7374,
+  FOURCC_ENCA = 0x656e6361,
+  FOURCC_ENCV = 0x656e6376,
+  FOURCC_ESDS = 0x65736473,
+  FOURCC_FREE = 0x66726565,
+  FOURCC_FRMA = 0x66726d61,
+  FOURCC_FTYP = 0x66747970,
+  FOURCC_HDLR = 0x68646c72,
+  FOURCC_HINT = 0x68696e74,
+  FOURCC_IODS = 0x696f6473,
+  FOURCC_MDAT = 0x6d646174,
+  FOURCC_MDHD = 0x6d646864,
+  FOURCC_MDIA = 0x6d646961,
+  FOURCC_MEHD = 0x6d656864,
+  FOURCC_MFHD = 0x6d666864,
+  FOURCC_MFRA = 0x6d667261,
+  FOURCC_MINF = 0x6d696e66,
+  FOURCC_MOOF = 0x6d6f6f66,
+  FOURCC_MOOV = 0x6d6f6f76,
+  FOURCC_MP4A = 0x6d703461,
+  FOURCC_MP4V = 0x6d703476,
+  FOURCC_MVEX = 0x6d766578,
+  FOURCC_MVHD = 0x6d766864,
+  FOURCC_PASP = 0x70617370,
+  FOURCC_PSSH = 0x70737368,
+  FOURCC_SAIO = 0x7361696f,
+  FOURCC_SAIZ = 0x7361697a,
+  FOURCC_SCHI = 0x73636869,
+  FOURCC_SCHM = 0x7363686d,
+  FOURCC_SDTP = 0x73647470,
+  FOURCC_SIDX = 0x73696478,
+  FOURCC_SINF = 0x73696e66,
+  FOURCC_SKIP = 0x736b6970,
+  FOURCC_SMHD = 0x736d6864,
+  FOURCC_SOUN = 0x736f756e,
+  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_TENC = 0x74656e63,
+  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_WIDE = 0x77696465,
+
+  // The following are used for testing
+  FOURCC_CHLD = 0x63686c64,
+  FOURCC_MPTY = 0x6d707479,
+  FOURCC_TEST = 0x74657374,
+};
+
+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 std::string(buf);
+}
+
+}  // namespace mp4
+}  // namespace media
+
+#endif  // MEDIA_MP4_FOURCCS_H_