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-rw-r--r--doc/APIchanges4
-rw-r--r--libavformat/asf.c8
-rw-r--r--libavformat/avformat.h48
-rw-r--r--libavformat/id3v1.c2
-rw-r--r--libavformat/id3v2.c16
-rw-r--r--libavformat/matroska.c3
-rw-r--r--libavformat/matroskadec.c2
-rw-r--r--libavformat/metadata_compat.c3
-rw-r--r--libavformat/mov.c2
-rw-r--r--libavformat/movenc.c8
-rw-r--r--libavformat/mp3.c2
-rw-r--r--libavformat/oggparsevorbis.c3
12 files changed, 72 insertions, 29 deletions
diff --git a/doc/APIchanges b/doc/APIchanges
index cf601d8a2e..339f14f75d 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -12,6 +12,10 @@ libavutil: 2009-03-08
API changes, most recent first:
+2010-02-01 - r21587 - lavf 52.50.0 - metadata API
+ Add a list of generic tag names, change 'author' -> 'artist',
+ 'year' -> 'date'.
+
2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
Add av_get_pix_fmt().
diff --git a/libavformat/asf.c b/libavformat/asf.c
index cf01e07326..e8b37d4268 100644
--- a/libavformat/asf.c
+++ b/libavformat/asf.c
@@ -129,12 +129,10 @@ const ff_asf_guid ff_asf_digital_signature = {
};
const AVMetadataConv ff_asf_metadata_conv[] = {
- { "AlbumArtist", "artist" },
+ { "AlbumArtist", "album_artist"},
{ "AlbumTitle" , "album" },
- { "Author" , "author" },
- { "Genre" , "genre" },
- { "Copyright" , "copyright" },
+ { "Author" , "artist" },
{ "TrackNumber", "track" },
- { "Year" , "year" },
+// { "Year" , "date" }, TODO: conversion year<->date
{ 0 }
};
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index fd38573816..e404fd1813 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -22,7 +22,7 @@
#define AVFORMAT_AVFORMAT_H
#define LIBAVFORMAT_VERSION_MAJOR 52
-#define LIBAVFORMAT_VERSION_MINOR 49
+#define LIBAVFORMAT_VERSION_MINOR 50
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
@@ -73,11 +73,44 @@ struct AVFormatContext;
* 2. Metadata is flat, not hierarchical; there are no subtags. If you
* want to store, e.g., the email address of the child of producer Alice
* and actor Bob, that could have key=alice_and_bobs_childs_email_address.
- * 3. A tag whose value is localized for a particular language is appended
- * with a dash character ('-') and the ISO 639-2/B 3-letter language code.
- * For example: Author-ger=Michael, Author-eng=Mike
- * The original/default language is in the unqualified "Author" tag.
- * A demuxer should set a default if it sets any translated tag.
+ * 3. Several modifiers can be applied to the tag name. This is done by
+ * appending a dash character ('-') and the modifier name in the order
+ * they appear in the list below -- e.g. foo-eng-sort, not foo-sort-eng.
+ * a) language -- a tag whose value is localized for a particular language
+ * is appended with the ISO 639-2/B 3-letter language code.
+ * For example: Author-ger=Michael, Author-eng=Mike
+ * The original/default language is in the unqualified "Author" tag.
+ * A demuxer should set a default if it sets any translated tag.
+ * b) sorting -- a modified version of a tag that should be used for
+ * sorting will have '-sort' appended. E.g. artist="The Beatles",
+ * artist-sort="Beatles, The".
+ *
+ * 4. Tag names are normally exported exactly as stored in the container to
+ * allow lossless remuxing to the same format. For container-independent
+ * handling of metadata, av_metadata_conv() can convert it to ffmpeg generic
+ * format. Follows a list of generic tag names:
+ *
+ * album -- name of the set this work belongs to
+ * album_artist -- main creator of the set/album, if different from artist.
+ * e.g. "Various Artists" for compilation albums.
+ * artist -- main creator of the work
+ * comment -- any additional description of the file.
+ * composer -- who composed the work, if different from artist.
+ * copyright -- name of copyright holder.
+ * date -- date when the work was created, preferably in ISO 8601.
+ * disc -- number of a subset, e.g. disc in a multi-disc collection.
+ * encoder -- name/settings of the software/hardware that produced the file.
+ * encoded_by -- person/group who created the file.
+ * filename -- original name of the file.
+ * genre -- <self-evident>.
+ * language -- main language in which the work is performed, preferably
+ * in ISO 639-2 format.
+ * performer -- artist who performed the work, if different from artist.
+ * E.g for "Also sprach Zarathustra", artist would be "Richard
+ * Strauss" and performer "London Philharmonic Orchestra".
+ * publisher -- name of the label/publisher.
+ * title -- name of the work.
+ * track -- number of this work in the set, can be in form current/total.
*/
#define AV_METADATA_MATCH_CASE 1
@@ -122,7 +155,8 @@ int av_metadata_set2(AVMetadata **pm, const char *key, const char *value, int fl
/**
* Converts all the metadata sets from ctx according to the source and
- * destination conversion tables.
+ * destination conversion tables. If one of the tables is NULL, then
+ * tags are converted to/from ffmpeg generic tag names.
* @param d_conv destination tags format conversion table
* @param s_conv source tags format conversion table
*/
diff --git a/libavformat/id3v1.c b/libavformat/id3v1.c
index 845697f13e..b1e3dc3a62 100644
--- a/libavformat/id3v1.c
+++ b/libavformat/id3v1.c
@@ -211,7 +211,7 @@ static int parse_tag(AVFormatContext *s, const uint8_t *buf)
get_string(s, "title", buf + 3, 30);
get_string(s, "artist", buf + 33, 30);
get_string(s, "album", buf + 63, 30);
- get_string(s, "year", buf + 93, 4);
+ get_string(s, "date", buf + 93, 4);
get_string(s, "comment", buf + 97, 30);
if (buf[125] == 0 && buf[126] != 0)
av_metadata_set2(&s->metadata, "track", av_d2str(buf[126]), AV_METADATA_DONT_STRDUP_VAL);
diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c
index 7cf3b22215..f007a3c5d7 100644
--- a/libavformat/id3v2.c
+++ b/libavformat/id3v2.c
@@ -240,20 +240,26 @@ const AVMetadataConv ff_id3v2_metadata_conv[] = {
{ "TCO", "genre"},
{ "TCOP", "copyright"},
{ "TDRL", "date"},
- { "TENC", "encoder"},
- { "TEN", "encoder"},
+ { "TDRC", "date"},
+ { "TENC", "encoded_by"},
+ { "TEN", "encoded_by"},
{ "TIT2", "title"},
{ "TT2", "title"},
{ "TLAN", "language"},
{ "TPE1", "artist"},
{ "TP1", "artist"},
+ { "TPE2", "album_artist"},
+ { "TP2", "album_artist"},
+ { "TPE3", "performer"},
+ { "TP3", "performer"},
{ "TPOS", "disc"},
{ "TPUB", "publisher"},
{ "TRCK", "track"},
{ "TRK", "track"},
- { "TSOA", "albumsort"},
- { "TSOP", "authorsort"},
- { "TSOT", "titlesort"},
+ { "TSOA", "album-sort"},
+ { "TSOP", "artist-sort"},
+ { "TSOT", "title-sort"},
+ { "TSSE", "encoder"},
{ 0 }
};
diff --git a/libavformat/matroska.c b/libavformat/matroska.c
index f208e329be..1e74d2ba39 100644
--- a/libavformat/matroska.c
+++ b/libavformat/matroska.c
@@ -93,8 +93,7 @@ const CodecMime ff_mkv_mime_tags[] = {
};
const AVMetadataConv ff_mkv_metadata_conv[] = {
- { "ARTIST" , "artist" },
- { "LEAD_PERFORMER", "artist" },
+ { "LEAD_PERFORMER", "performer" },
{ "PART_NUMBER" , "track" },
{ 0 }
};
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 59dc166734..de896d7575 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1342,7 +1342,7 @@ static int matroska_read_header(AVFormatContext *s, AVFormatParameters *ap)
st->start_time = 0;
if (strcmp(track->language, "und"))
av_metadata_set(&st->metadata, "language", track->language);
- av_metadata_set(&st->metadata, "description", track->name);
+ av_metadata_set(&st->metadata, "title", track->name);
if (track->flag_default)
st->disposition |= AV_DISPOSITION_DEFAULT;
diff --git a/libavformat/metadata_compat.c b/libavformat/metadata_compat.c
index b05fb04bce..9869a1733a 100644
--- a/libavformat/metadata_compat.c
+++ b/libavformat/metadata_compat.c
@@ -45,8 +45,11 @@ static const struct {
{ "creator", SIZE_OFFSET(author) },
{ "written_by", SIZE_OFFSET(author) },
{ "lead_performer", SIZE_OFFSET(author) },
+ { "composer", SIZE_OFFSET(author) },
+ { "performer", SIZE_OFFSET(author) },
{ "description", SIZE_OFFSET(comment) },
{ "albumtitle", SIZE_OFFSET(album) },
+ { "date", SIZE_OFFSET(year) },
{ "date_written", SIZE_OFFSET(year) },
{ "date_released", SIZE_OFFSET(year) },
{ "tracknumber", SIZE_OFFSET(track) },
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 4765f18f00..c5e3ec0196 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -113,7 +113,7 @@ static int mov_read_udta_string(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
case MKTAG(0xa9,'c','m','t'):
case MKTAG(0xa9,'i','n','f'): key = "comment"; break;
case MKTAG(0xa9,'a','l','b'): key = "album"; break;
- case MKTAG(0xa9,'d','a','y'): key = "year"; break;
+ case MKTAG(0xa9,'d','a','y'): key = "date"; break;
case MKTAG(0xa9,'g','e','n'): key = "genre"; break;
case MKTAG(0xa9,'t','o','o'):
case MKTAG(0xa9,'e','n','c'): key = "encoder"; break;
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 9273458a67..ecabd8e140 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1437,7 +1437,7 @@ static int mov_write_ilst_tag(ByteIOContext *pb, MOVMuxContext *mov,
mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
- mov_write_string_metadata(s, pb, "\251day", "year" , 1);
+ mov_write_string_metadata(s, pb, "\251day", "date" , 1);
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
@@ -1511,7 +1511,7 @@ static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
put_be16(pb, language_code("eng")); /* language */
put_buffer(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
if (!strcmp(tag, "albm") &&
- (t = av_metadata_get(s->metadata, "year", NULL, 0)))
+ (t = av_metadata_get(s->metadata, "date", NULL, 0)))
put_byte(pb, atoi(t->value));
}
return updateSize(pb, pos);
@@ -1540,12 +1540,12 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
- mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "year");
+ mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
} else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
- mov_write_string_metadata(s, pb_buf, "\251day", "year" , 0);
+ mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
mov_write_string_tag(pb_buf, "\251enc", LIBAVFORMAT_IDENT, 0, 0);
mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
diff --git a/libavformat/mp3.c b/libavformat/mp3.c
index 7d3458c751..d8742b5ef2 100644
--- a/libavformat/mp3.c
+++ b/libavformat/mp3.c
@@ -214,7 +214,7 @@ static int id3v1_create_tag(AVFormatContext *s, uint8_t *buf)
count += id3v1_set_string(s, "title", buf + 3, 30);
count += id3v1_set_string(s, "author", buf + 33, 30);
count += id3v1_set_string(s, "album", buf + 63, 30);
- count += id3v1_set_string(s, "year", buf + 93, 4);
+ count += id3v1_set_string(s, "date", buf + 93, 4);
count += id3v1_set_string(s, "comment", buf + 97, 30);
if ((tag = av_metadata_get(s->metadata, "track", NULL, 0))) {
buf[125] = 0;
diff --git a/libavformat/oggparsevorbis.c b/libavformat/oggparsevorbis.c
index 6222962019..2e8ea72129 100644
--- a/libavformat/oggparsevorbis.c
+++ b/libavformat/oggparsevorbis.c
@@ -36,8 +36,7 @@
* http://xiph.org/vorbis/doc/v-comment.html
*/
const AVMetadataConv ff_vorbiscomment_metadata_conv[] = {
- { "ARTIST" , "author" },
- { "DATE" , "year" },
+ { "ALBUMARTIST", "album_artist"},
{ "TRACKNUMBER", "track" },
{ 0 }
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 14:28:09 +0000