TotemPlParser: Totem Playlist Parser Reference Manual

## TotemPlParser TotemPlParser — playlist parser |

## Stability Level

Stable, unless otherwise indicated

## Functions

TotemPlParser * | totem_pl_parser_new ()
TotemPlParserResult | totem_pl_parser_parse ()
void | totem_pl_parser_parse_async ()
TotemPlParserResult | totem_pl_parser_parse_finish ()
TotemPlParserResult | totem_pl_parser_parse_with_base ()
void | totem_pl_parser_parse_with_base_async ()
gboolean | totem_pl_parser_save ()
void | totem_pl_parser_save_async ()
gboolean | totem_pl_parser_save_finish ()
gint64 | totem_pl_parser_parse_duration ()
guint64 | totem_pl_parser_parse_date ()
void | totem_pl_parser_add_ignored_scheme ()
void | totem_pl_parser_add_ignored_mimetype ()
void | totem_pl_parser_add_ignored_glob ()

## Types and Values

| TotemPlParser
| TotemPlParserClass
enum | TotemPlParserResult
enum | TotemPlParserType
enum | TotemPlParserError
typedef | TotemPlParserMetadata
#define | TOTEM_PL_PARSER_FIELD_URI
#define | TOTEM_PL_PARSER_FIELD_GENRE
#define | TOTEM_PL_PARSER_FIELD_TITLE
#define | TOTEM_PL_PARSER_FIELD_AUTHOR
#define | TOTEM_PL_PARSER_FIELD_ALBUM
#define | TOTEM_PL_PARSER_FIELD_BASE
#define | TOTEM_PL_PARSER_FIELD_VOLUME
#define | TOTEM_PL_PARSER_FIELD_AUTOPLAY
#define | TOTEM_PL_PARSER_FIELD_DURATION
#define | TOTEM_PL_PARSER_FIELD_DURATION_MS
#define | TOTEM_PL_PARSER_FIELD_STARTTIME
#define | TOTEM_PL_PARSER_FIELD_ENDTIME
#define | TOTEM_PL_PARSER_FIELD_COPYRIGHT
#define | TOTEM_PL_PARSER_FIELD_ABSTRACT
#define | TOTEM_PL_PARSER_FIELD_DESCRIPTION
#define | TOTEM_PL_PARSER_FIELD_SUMMARY
#define | TOTEM_PL_PARSER_FIELD_MOREINFO
#define | TOTEM_PL_PARSER_FIELD_SCREENSIZE
#define | TOTEM_PL_PARSER_FIELD_UI_MODE
#define | TOTEM_PL_PARSER_FIELD_PUB_DATE
#define | TOTEM_PL_PARSER_FIELD_FILESIZE
#define | TOTEM_PL_PARSER_FIELD_LANGUAGE
#define | TOTEM_PL_PARSER_FIELD_CONTACT
#define | TOTEM_PL_PARSER_FIELD_IMAGE_URI
#define | TOTEM_PL_PARSER_FIELD_DOWNLOAD_URI
#define | TOTEM_PL_PARSER_FIELD_ID
#define | TOTEM_PL_PARSER_FIELD_IS_PLAYLIST
#define | TOTEM_PL_PARSER_FIELD_SUBTITLE_URI
#define | TOTEM_PL_PARSER_FIELD_CONTENT_TYPE

## Includes

    #include <totem-pl-parser.h>

## Description

TotemPlParser is a general-purpose playlist parser and writer, with support for several different types of playlist. Note that totem-pl-parser requires a main loop to operate properly (e.g. for the “entry-parsed” signal to be emitted).

Example 1. Reading a Playlist

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    TotemPlParser *pl = totem_pl_parser_new ();
    g_object_set (pl, "recurse", FALSE, "disable-unsafe", TRUE, NULL);
    g_signal_connect (G_OBJECT (pl), "playlist-started", G_CALLBACK (playlist_started), NULL);
    g_signal_connect (G_OBJECT (pl), "entry-parsed", G_CALLBACK (entry_parsed), NULL);

    if (totem_pl_parser_parse (pl, "http://example.com/playlist.pls", FALSE) != TOTEM_PL_PARSER_RESULT_SUCCESS)
    	g_error ("Playlist parsing failed.");

    g_object_unref (pl);

Example 2. Reading a Playlist Asynchronously

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    TotemPlParser *pl = totem_pl_parser_new ();
    g_object_set (pl, "recurse", FALSE, "disable-unsafe", TRUE, NULL);
    g_signal_connect (G_OBJECT (pl), "playlist-started", G_CALLBACK (playlist_started), NULL);
    g_signal_connect (G_OBJECT (pl), "entry-parsed", G_CALLBACK (entry_parsed), NULL);

    totem_pl_parser_parse_async (pl, "http://example.com/playlist.pls", FALSE, NULL, parse_cb, NULL);
    g_object_unref (pl);

    static void
    parse_cb (TotemPlParser *parser, GAsyncResult *result, gpointer user_data)
    {
    GError *error = NULL;
    	if (totem_pl_parser_parse_finish (parser, result, &error) != TOTEM_PL_PARSER_RESULT_SUCCESS) {
    		g_error ("Playlist parsing failed: %s", error->message);
    		g_error_free (error);
    	}
    }

Example 3. Getting Metadata from Entries

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    static void
    entry_parsed (TotemPlParser *parser, const gchar *uri, GHashTable *metadata, gpointer user_data)
    {
    	gchar *title = g_hash_table_lookup (metadata, TOTEM_PL_PARSER_FIELD_TITLE);
    	if (title != NULL)
    		g_message ("Entry title: %s", title);
    	else
    		g_message ("Entry (URI: %s) has no title.", uri);
    }

Example 4. Writing a Playlist

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    {
    	TotemPlParser *pl;
    	TotemPlPlaylist *playlist;
    	TotemPlPlaylistIter iter;
    	GFile *file;

    	pl = totem_pl_parser_new ();
    	playlist = totem_pl_playlist_new ();
    	file = g_file_new_for_path ("/tmp/playlist.pls");

    	totem_pl_playlist_append (playlist, &iter);
    	totem_pl_playlist_set (playlist, &iter,
    			       TOTEM_PL_PARSER_FIELD_URI, "file:///1.ogg",
    			       TOTEM_PL_PARSER_FIELD_TITLE, "1.ogg",
    			       NULL);

    	totem_pl_playlist_append (playlist, &iter);
    	totem_pl_playlist_set (playlist, &iter,
    			       TOTEM_PL_PARSER_FIELD_URI, "file:///2.ogg",
    			       NULL);

    	if (totem_pl_parser_save (pl, playlist, file, "Title",
    				  TOTEM_PL_PARSER_PLS, NULL) != TRUE) {
    		g_error ("Playlist writing failed.");
    	}

    	g_object_unref (playlist);
    	g_object_unref (pl);
    	g_object_unref (file);
    }

## Functions

### totem_pl_parser_new ()

    TotemPlParser *
    totem_pl_parser_new (void);

Creates a TotemPlParser object.

#### Returns

a new TotemPlParser

### totem_pl_parser_parse ()

    TotemPlParserResult
    totem_pl_parser_parse (TotemPlParser *parser,
                           const char *uri,
                           gboolean fallback);

Parses a playlist given by the absolute URI `uri` . This method is synchronous, and will block on (e.g.) network requests to slow servers. `totem_pl_parser_parse_async()` is recommended instead.

Return values are as `totem_pl_parser_parse_with_base()`.

#### Parameters

parser | a TotemPlParser |
uri | the URI of the playlist to parse |
fallback | `TRUE` if the parser should add the playlist URI to the end of the playlist on parse failure |

#### Returns

a TotemPlParserResult

### totem_pl_parser_parse_async ()

    void
    totem_pl_parser_parse_async (TotemPlParser *parser,
                                 const char *uri,
                                 gboolean fallback,
                                 GCancellable *cancellable,
                                 GAsyncReadyCallback callback,
                                 gpointer user_data);

Starts asynchronous parsing of a playlist given by the absolute URI `uri` . `parser` and `uri` are both reffed/copied when this function is called, so can safely be freed after this function returns.

For more details, see `totem_pl_parser_parse()`, which is the synchronous version of this function.

When the operation is finished, `callback` will be called. You can then call `totem_pl_parser_parse_finish()` to get the results of the operation.

#### Parameters

parser | a TotemPlParser |
uri | the URI of the playlist to parse |
fallback | `TRUE` if the parser should add the playlist URI to the end of the playlist on parse failure |
cancellable | optional GCancellable object, or `NULL`. | [allow-none]
callback | a GAsyncReadyCallback to call when parsing is finished. | [allow-none]
user_data | data to pass to the `callback` function |

### totem_pl_parser_parse_finish ()

    TotemPlParserResult
    totem_pl_parser_parse_finish (TotemPlParser *parser,
                                  GAsyncResult *async_result,
                                  GError **error);

Finishes an asynchronous playlist parsing operation started with `totem_pl_parser_parse_async()` or `totem_pl_parser_parse_with_base_async()`.

If parsing of the playlist is cancelled part-way through, `TOTEM_PL_PARSER_RESULT_CANCELLED` is returned when this function is called.

#### Parameters

parser | a TotemPlParser |
async_result | a GAsyncResult |
error | a GError, or `NULL` |

#### Returns

a TotemPlParserResult

### totem_pl_parser_parse_with_base ()

    TotemPlParserResult
    totem_pl_parser_parse_with_base (TotemPlParser *parser,
                                     const char *uri,
                                     const char *base,
                                     gboolean fallback);

Parses a playlist given by the absolute URI `uri` , using `base` to resolve relative paths where appropriate.

#### Parameters

parser | a TotemPlParser |
uri | the URI of the playlist to parse |
base | the base path for relative filenames, or `NULL`. | [allow-none]
fallback | `TRUE` if the parser should add the playlist URI to the end of the playlist on parse failure |

#### Returns

a TotemPlParserResult

### totem_pl_parser_parse_with_base_async ()

    void
    totem_pl_parser_parse_with_base_async (TotemPlParser *parser,
                                           const char *uri,
                                           const char *base,
                                           gboolean fallback,
                                           GCancellable *cancellable,
                                           GAsyncReadyCallback callback,
                                           gpointer user_data);

Starts asynchronous parsing of a playlist given by the absolute URI `uri` , using `base` to resolve relative paths where appropriate. `parser` and `uri` are both reffed/copied when this function is called, so can safely be freed after this function returns.

For more details, see `totem_pl_parser_parse_with_base()`, which is the synchronous version of this function.

When the operation is finished, `callback` will be called. You can then call `totem_pl_parser_parse_finish()` to get the results of the operation.

#### Parameters

parser | a TotemPlParser |
uri | the URI of the playlist to parse |
base | the base path for relative filenames, or `NULL`. | [allow-none]
fallback | `TRUE` if the parser should add the playlist URI to the end of the playlist on parse failure |
cancellable | optional GCancellable object, or `NULL`. | [allow-none]
callback | a GAsyncReadyCallback to call when parsing is finished. | [allow-none]
user_data | data to pass to the `callback` function |

### totem_pl_parser_save ()

    gboolean
    totem_pl_parser_save (TotemPlParser *parser,
                          TotemPlPlaylist *playlist,
                          GFile *dest,
                          const gchar *title,
                          TotemPlParserType type,
                          GError **error);

Writes the playlist held by `parser` and `playlist` out to the path pointed by `dest` . The playlist is written in the format `type` and is given the title `title` .

If the `output` file is a directory the G_IO_ERROR_IS_DIRECTORY error will be returned, and if the file is some other form of non-regular file then a G_IO_ERROR_NOT_REGULAR_FILE error will be returned. Some file systems don't allow all file names, and may return a G_IO_ERROR_INVALID_FILENAME error, and if the name is too long, G_IO_ERROR_FILENAME_TOO_LONG will be returned. Other errors are possible too, and depend on what kind of filesystem the file is on.

In extreme cases, a G_IO_ERROR_INVALID_ARGUMENT error can be returned, if parts of the playlist to be written are too long.

If writing a PLA playlist and there is an error converting a URI's encoding, a code from GConvertError will be returned.

#### Parameters

parser | a TotemPlParser |
playlist | a TotemPlPlaylist |
dest | output GFile |
title | the playlist title |
type | a TotemPlParserType for the outputted playlist |
error | return location for a GError, or `NULL` |

#### Returns

`TRUE` on success

### totem_pl_parser_save_async ()

    void
    totem_pl_parser_save_async (TotemPlParser *parser,
                                TotemPlPlaylist *playlist,
                                GFile *dest,
                                const gchar *title,
                                TotemPlParserType type,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Starts asynchronous version of `totem_pl_parser_save()`. For more details see `totem_pl_parser_save()`.

When the operation is finished, `callback` will be called. You can then call `totem_pl_parser_save_finish()` to get the results of the operation.

#### Parameters

parser | a TotemPlParser |
playlist | a TotemPlPlaylist |
dest | output GFile |
title | the playlist title |
type | a TotemPlParserType for the outputted playlist |
cancellable | a GCancellable, or `NULL`. | [allow-none]
callback | a GAsyncReadyCallback to call when saving has finished. | [allow-none]
user_data | data to pass to the `callback` function |

### totem_pl_parser_save_finish ()

    gboolean
    totem_pl_parser_save_finish (TotemPlParser *parser,
                                 GAsyncResult *async_result,
                                 GError **error);

Finishes an asynchronous playlist saving operation started with `totem_pl_parser_save_async()`.

If saving of the playlist is cancelled part-way through, `G_IO_ERROR_CANCELLED` will be returned when this function is called.

#### Parameters

parser | a TotemPlParser |
async_result | a GAsyncResult |
error | a GError, or `NULL` |

#### Returns

`TRUE` on success, `FALSE` on failure.

### totem_pl_parser_parse_duration ()

    gint64
    totem_pl_parser_parse_duration (const char *duration,
                                    gboolean debug);

Parses the given duration string and returns it as a gint64 denoting the duration in seconds.

#### Parameters

duration | the duration string to parse |
debug | `TRUE` if debug statements should be printed |

#### Returns

the duration in seconds, or -1 on error

### totem_pl_parser_parse_date ()

    guint64
    totem_pl_parser_parse_date (const char *date_str,
                                gboolean debug);

Parses the given date string and returns it as a gint64 denoting the date in seconds since the UNIX Epoch.

#### Parameters

date_str | the date string to parse |
debug | `TRUE` if debug statements should be printed |

#### Returns

the date in seconds, or -1 on error

### totem_pl_parser_add_ignored_scheme ()

    void
    totem_pl_parser_add_ignored_scheme (TotemPlParser *parser,
                                        const char *scheme);

Adds a scheme to the list of schemes to ignore, so that any URI using that scheme is ignored during playlist parsing.

#### Parameters

parser | a TotemPlParser |
scheme | the scheme to ignore |

### totem_pl_parser_add_ignored_mimetype ()

    void
    totem_pl_parser_add_ignored_mimetype (TotemPlParser *parser,
                                          const char *mimetype);

Adds a mimetype to the list of mimetypes to ignore, so that any URI of that mimetype is ignored during playlist parsing.

#### Parameters

parser | a TotemPlParser |
mimetype | the mimetype to ignore |

### totem_pl_parser_add_ignored_glob ()

    void
    totem_pl_parser_add_ignored_glob (TotemPlParser *parser,
                                      const char *glob);

Adds a glob to the list of mimetypes to ignore, so that any URI of that glob is ignored during playlist parsing.

#### Parameters

parser | a TotemPlParser |
glob | a glob to ignore |

Since: 3.26.4

## Types and Values

### TotemPlParser

    typedef struct {
    	GObject parent;
    	TotemPlParserPrivate *priv;
    } TotemPlParser;

All the fields in the TotemPlParser structure are private and should never be accessed directly.

### TotemPlParserClass

    typedef struct {
    	GObjectClass parent_class;

    	/* signals */
    	void (*entry_parsed) (TotemPlParser *parser,
    			      const char *uri,
    			      GHashTable *metadata);
    	void (*playlist_started) (TotemPlParser *parser,
    				  const char *uri,
    				  GHashTable *metadata);
    	void (*playlist_ended) (TotemPlParser *parser,
    				const char *uri);
    } TotemPlParserClass;

The class structure for the TotemPlParser type.

#### Members

`entry_parsed` () | the generic signal handler for the “entry-parsed” signal, which can be overridden by inheriting classes |
`playlist_started` () | the generic signal handler for the “playlist-started” signal, which can be overridden by inheriting classes |
`playlist_ended` () | the generic signal handler for the “playlist-ended” signal, which can be overridden by inheriting classes |

### enum TotemPlParserResult

Gives the result of parsing a playlist.

#### Members

TOTEM_PL_PARSER_RESULT_UNHANDLED | The playlist could not be handled. |
TOTEM_PL_PARSER_RESULT_ERROR | There was an error parsing the playlist. |
TOTEM_PL_PARSER_RESULT_SUCCESS | The playlist was parsed successfully. |
TOTEM_PL_PARSER_RESULT_IGNORED | The playlist was ignored due to its scheme or MIME type (see `totem_pl_parser_add_ignored_scheme()` and `totem_pl_parser_add_ignored_mimetype()`). |
TOTEM_PL_PARSER_RESULT_CANCELLED | Parsing of the playlist was cancelled part-way through. |

### enum TotemPlParserType

The type of playlist a TotemPlParser will parse.

#### Members

TOTEM_PL_PARSER_PLS | PLS parser |
TOTEM_PL_PARSER_M3U | M3U parser |
TOTEM_PL_PARSER_M3U_DOS | M3U (DOS linebreaks) parser |
TOTEM_PL_PARSER_XSPF | XSPF parser |
TOTEM_PL_PARSER_IRIVER_PLA | iRiver PLA parser |

### enum TotemPlParserError

Allows you to differentiate between different errors occurring during file operations in a TotemPlParser.

#### Members

TOTEM_PL_PARSER_ERROR_NO_DISC | Error attempting to open a disc device when no disc is present |
TOTEM_PL_PARSER_ERROR_MOUNT_FAILED | An attempted mount operation failed |
TOTEM_PL_PARSER_ERROR_EMPTY_PLAYLIST | Playlist to be saved is empty |

### TotemPlParserMetadata

    typedef GHashTable TotemPlParserMetadata;

An alias for GHashTable, used in the “entry-parsed” and “playlist-started” signals due to GHashTable not being a boxed type when totem-pl-parser was originally written.

The hash table is a mapping from field names (such as `TOTEM_PL_PARSER_FIELD_ALBUM`) to their associated values.

It is safe to use GHashTable instead of TotemPlParserMetadata everywhere.

### TOTEM_PL_PARSER_FIELD_URI

    #define TOTEM_PL_PARSER_FIELD_URI		"url"

Metadata field for an entry's URI.

Since: 2.26

### TOTEM_PL_PARSER_FIELD_GENRE

    #define TOTEM_PL_PARSER_FIELD_GENRE		"genre"

Metadata field for an entry's genre.

### TOTEM_PL_PARSER_FIELD_TITLE

    #define TOTEM_PL_PARSER_FIELD_TITLE		"title"

Metadata field for an entry's displayable title.

### TOTEM_PL_PARSER_FIELD_AUTHOR

    #define TOTEM_PL_PARSER_FIELD_AUTHOR		"author"

Metadata field for an entry's author/composer/director.

### TOTEM_PL_PARSER_FIELD_ALBUM

    #define TOTEM_PL_PARSER_FIELD_ALBUM		"album"

Metadata field for an entry's album.

### TOTEM_PL_PARSER_FIELD_BASE

    #define TOTEM_PL_PARSER_FIELD_BASE		"base"

Metadata field for an entry's base path.

### TOTEM_PL_PARSER_FIELD_VOLUME

    #define TOTEM_PL_PARSER_FIELD_VOLUME		"volume"

Metadata field for an entry's playback volume.

### TOTEM_PL_PARSER_FIELD_AUTOPLAY

    #define TOTEM_PL_PARSER_FIELD_AUTOPLAY		"autoplay"

Metadata field for an entry's "autoplay" flag, which is `TRUE` if the entry should play automatically.

### TOTEM_PL_PARSER_FIELD_DURATION

    #define TOTEM_PL_PARSER_FIELD_DURATION		"duration"

Metadata field for an entry's playback duration, which should be parsed using `totem_pl_parser_parse_duration()`.

### TOTEM_PL_PARSER_FIELD_DURATION_MS

    #define TOTEM_PL_PARSER_FIELD_DURATION_MS "duration-ms"

Metadata field for an entry's playback duration, in milliseconds. It's only used when an entry's duration is available in that format, so one would get either the `TOTEM_PL_PARSER_FIELD_DURATION` or `TOTEM_PL_PARSER_FIELD_DURATION_MS` as metadata.

### TOTEM_PL_PARSER_FIELD_STARTTIME

    #define TOTEM_PL_PARSER_FIELD_STARTTIME		"starttime"

Metadata field for an entry's playback start time, which should be parsed using `totem_pl_parser_parse_duration()`.

### TOTEM_PL_PARSER_FIELD_ENDTIME

    #define TOTEM_PL_PARSER_FIELD_ENDTIME		"endtime"

Metadata field for an entry's playback end time.

### TOTEM_PL_PARSER_FIELD_COPYRIGHT

    #define TOTEM_PL_PARSER_FIELD_COPYRIGHT		"copyright"

Metadata field for an entry's copyright line.

### TOTEM_PL_PARSER_FIELD_ABSTRACT

    #define TOTEM_PL_PARSER_FIELD_ABSTRACT		"abstract"

Metadata field for an entry's abstract text.

### TOTEM_PL_PARSER_FIELD_DESCRIPTION

    #define TOTEM_PL_PARSER_FIELD_DESCRIPTION "description"

Metadata field for an entry's description.

### TOTEM_PL_PARSER_FIELD_SUMMARY

    #define TOTEM_PL_PARSER_FIELD_SUMMARY		TOTEM_PL_PARSER_FIELD_DESCRIPTION

Metadata field for an entry's summary. (In practice, identical to `TOTEM_PL_PARSER_FIELD_DESCRIPTION`.)

### TOTEM_PL_PARSER_FIELD_MOREINFO

    #define TOTEM_PL_PARSER_FIELD_MOREINFO		"moreinfo"

Metadata field for an entry's "more info" URI.

### TOTEM_PL_PARSER_FIELD_SCREENSIZE

    #define TOTEM_PL_PARSER_FIELD_SCREENSIZE "screensize"

Metadata field for an entry's preferred screen size.

### TOTEM_PL_PARSER_FIELD_UI_MODE

    #define TOTEM_PL_PARSER_FIELD_UI_MODE		"ui-mode"

Metadata field for an entry's preferred UI mode.

### TOTEM_PL_PARSER_FIELD_PUB_DATE

    #define TOTEM_PL_PARSER_FIELD_PUB_DATE		"publication-date"

Metadata field for an entry's publication date, which should be parsed using `totem_pl_parser_parse_date()`.

### TOTEM_PL_PARSER_FIELD_FILESIZE

    #define TOTEM_PL_PARSER_FIELD_FILESIZE		"filesize"

Metadata field for an entry's filesize in bytes. This is only advisory, and can sometimes not match the actual filesize of the stream.

### TOTEM_PL_PARSER_FIELD_LANGUAGE

    #define TOTEM_PL_PARSER_FIELD_LANGUAGE		"language"

Metadata field for an entry's audio language.

### TOTEM_PL_PARSER_FIELD_CONTACT

    #define TOTEM_PL_PARSER_FIELD_CONTACT		"contact"

Metadata field for an entry's contact details for the webmaster.

### TOTEM_PL_PARSER_FIELD_IMAGE_URI

    #define TOTEM_PL_PARSER_FIELD_IMAGE_URI		"image-url"

Metadata field for an entry's thumbnail image URI.

Since: 2.26

### TOTEM_PL_PARSER_FIELD_DOWNLOAD_URI

    #define TOTEM_PL_PARSER_FIELD_DOWNLOAD_URI "download-url"

Metadata field for an entry's download URI. Only used if an alternate download location is available for the entry.

Since: 2.26

### TOTEM_PL_PARSER_FIELD_ID

    #define TOTEM_PL_PARSER_FIELD_ID		"id"

Metadata field for an entry's identifier. Its use is dependent on the format of the playlist parsed, and its origin.

### TOTEM_PL_PARSER_FIELD_IS_PLAYLIST

    #define TOTEM_PL_PARSER_FIELD_IS_PLAYLIST "is-playlist"

Metadata field used to tell the calling code that the parsing of a playlist started. It is only `TRUE` for the metadata passed to “playlist-started” or “playlist-ended” signal handlers.

### TOTEM_PL_PARSER_FIELD_SUBTITLE_URI

    #define TOTEM_PL_PARSER_FIELD_SUBTITLE_URI "subtitle-uri"

The URI of the entry's subtitle file.

### TOTEM_PL_PARSER_FIELD_CONTENT_TYPE

    #define TOTEM_PL_PARSER_FIELD_CONTENT_TYPE "content-type"

Metadata field for an entry's content-type (usually a mime-type coming from a web server).