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NUT fourcc/codec_id convention
SHOULD be made of alphanumerical chars
the exact values are outside of the scope this spec
if a codec specifies a prefered identifer which fits within the
constraints of this syntax element then it SHOULD be used, if a codec
is commonly using a identifer which fits within the constraints of this
syntax element in another container format then that identifer SHOULD be
used
if there are several possible values to choose from then the one used
in the source file if any SHOULD be prefered, if there are still several
options left then the one with the most descriptive name SHOULD be
preferred
NUT codec list
Video
tag length |
tag id |
Codec Name
|
4 |
"h263" |
H.263
|
4 |
"mp4v" |
MPEG-4 Part 2
|
4 |
"h264" |
MPEG-4 Part 10/H.264
|
4 |
"snow" |
Snow
|
4 |
"drac" |
Dirac/Schroedinger
|
4 |
"vc1 " |
VC-1
|
Audio
tag length |
tag id |
Codec Name
|
4 |
"vrbs" |
Xiph.org Vorbis
|
4 |
"mp2 " |
MP2
|
4 |
"mp3 " |
MP3
|
4 |
"ac3 " |
AC3
|
4 |
"aac " |
AAC/MPEG-4 Part 3
|
4 |
"eac3" |
EAC3
|
4 |
"flac" |
Free Lossless Audio Codec
|
4 |
"wavp" |
WavPack
|