FFmpeg Metadata - Revision history

Multimedia Mike: /* QuickTime/MOV/MP4/M4A/et al. */ update the MOV/MP4 metadata keys

2025-11-30T19:55:01Z

QuickTime/MOV/MP4/M4A/et al.: update the MOV/MP4 metadata keys

2019-07-08T18:38:18Z

add table for ID3v2.2/2.3/2.4 metadata fields from source code

2018-02-06T05:20:17Z

MP3: update the MP3 metadata information

@@ Line 195: / Line 195: @@
 == MP3 ==
-FFmpeg's mp3 muxer honors the following metadata keys:
+FFmpeg's MP3 muxer creates an [https://en.wikipedia.org/wiki/ID3 ID3v2 tag] compatible with either v2.3 or v2.4. The muxer honors the following metadata keys:
-* “title”
+{| class="wikitable"
-* “author”
+!FFmpeg metadata tag
-* “album”
+!ID3v2 tag
-* “year”
+|-
-* “comment”
+|"album"
-* “track”
+|TALB
-* “genre”
+|-
 == MPEG Transport Streams ==

2012-03-06T20:42:41Z

Matroska: MKV muxer accepts free-form key/value pairs

← Older revision		Revision as of 13:42, 6 March 2012
Line 191:		Line 191:
	* “description”		* “description”
	* “language”		* “language”

			Beyond these keys, the Matroska muxer also accepts free-form key/value metadata pairs.

	== MP3 ==		== MP3 ==

2012-03-06T20:15:02Z

ASF/WMV/WMA: updated key information

← Older revision		Revision as of 13:15, 6 March 2012
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	* “comment”		* “comment”
	* "rating"		* "rating"

			Beyond these keys, the ASF muxer accepts free-form key/value metadata keys to be encoded into the header. Further, libavformat encodes its version using the key "WM/EncodingSettings".

	== AVI ==		== AVI ==

2012-03-06T20:05:18Z

AVI: updated metadata keys

← Older revision		Revision as of 13:05, 6 March 2012
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	== AVI ==		== AVI ==
	FFmpeg’s AVI muxer honors the following metadata keys ~~and maps~~ them ~~to these FourCCs~~ in the file header:		FFmpeg’s AVI muxer honors the following metadata keys, writing them into FourCC chunks in the file header:

	* ~~“Title” -> “INAM”~~		* "IARL"
	* ~~“Artist” or “Author” -> “IART”~~		* "IART", "artist"
	* ~~“Copyright”~~ -~~> “ICOP”~~		* "ICMS"
	* ~~“Comment” -> “ICMT”~~		* "ICMT", "comment"
	* ~~“Album” -> “IPRD”~~		* "ICOP", "copyright"
	* ~~“Genre” -> “IGNR”~~		* "ICRD", "date"
	* ~~“Track” -> “IPRT”~~		* "ICRP"
			* "IDIM"
			* "IDPI"
			* "IENG"
			* "IGNR", "genre"
			* "IKEY"
			* "ILGT"
			* "ILNG", "language"
			* "IMED"
			* "INAM", "title"
			* "IPLT"
			* "IPRD", "album"
			* "IPRT", "track"
			* "ISBJ"
			* "ISFT", "encoder" - note that this is automatically filled in by libavformat
			* "ISHP"
			* "ISRC"
			* "ISRF"
			* "ITCH", "encoded_by"

	== FLV ==		== FLV ==

2011-05-10T17:36:32Z

FLV: muxer, not demuxer

← Older revision		Revision as of 10:36, 10 May 2011
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	FFmpeg's FLV muxer generates an onMetaData tag when creating a FLV file. This tag may contain free-form metadata key/value pairs. These key/value pairs are presented to the [[Adobe Flash Player]] through the onMetaData event when loading the FLV.		FFmpeg's FLV muxer generates an onMetaData tag when creating a FLV file. This tag may contain free-form metadata key/value pairs. These key/value pairs are presented to the [[Adobe Flash Player]] through the onMetaData event when loading the FLV.

	In addition to user-specified key/value metadata pairs, FFmpeg's FLV ~~demuxer~~ also encodes the following metadata fields:		In addition to user-specified key/value metadata pairs, FFmpeg's FLV muxer also encodes the following metadata fields:

	* 'duration'		* 'duration'

2011-05-05T00:32:04Z

remove the warranty about how current the information is

← Older revision		Revision as of 17:32, 4 May 2011
Line 1:		Line 1:
	This page documents all of the metadata keys that [[FFmpeg]] honors, depending on the format being encoded~~. This information is current as of FFmpeg 0.6~~.		This page documents all of the metadata keys that [[FFmpeg]] honors, depending on the format being encoded.

	== Basic Usage ==		== Basic Usage ==

2011-05-05T00:12:42Z

FLV: FLV muxer also humbly mentions itself in the metadata

2011-05-05T00:09:06Z

FLV metadata muxing also works

@@ Line 143: / Line 143: @@
 * “Genre” -> “IGNR”
 * “Track” -> “IPRT”
 == Matroska ==