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105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/*
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* Copyright (c) 2007 Moritz Grimm <mgrimm@mrsserver.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __PLAYLIST_H__
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#define __PLAYLIST_H__
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typedef struct playlist * playlist_t;
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/*
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* Initialize the playlist routines. Should be called before any of the other
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* playlist functions.
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*/
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int playlist_init(void);
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/*
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* Clean up for clean shutdowns. No-op at the moment.
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*/
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void playlist_exit(void);
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/*
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* Read a playlist file (in .M3U format), and return a new playlist handler
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* on success, or NULL on failure.
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*/
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playlist_t playlist_read(const char * /* filename */);
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/*
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* For each call to playlist_get_next(), the specified program is run. This
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* program is supposed to print one line to standard output, containing the
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* path and filename of a media file.
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*/
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playlist_t playlist_program(const char * /* program name */);
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/*
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* Free all memory used by a playlist handler that was created with
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* playlist_read().
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*/
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void playlist_free(playlist_t *);
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/*
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* Get the next item in the playlist. Returns a NUL-terminated string of a
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* playlist entry, or NULL if the end of the list has been reached.
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*/
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const char * playlist_get_next(playlist_t);
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/*
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* The functions below work on playlist handlers obtained with playlist_read()
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* and are no-ops (i.e. return failure) for playlists from playlist_program().
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*/
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/*
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* Skip the playlist item that would be played next.
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*/
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void playlist_skip_next(playlist_t);
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/*
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* Get the number of items in the playlist.
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*/
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unsigned long playlist_get_num_items(playlist_t);
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/*
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* Get the current position in the playlist.
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*/
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unsigned long playlist_get_position(playlist_t);
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/*
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* Search for a given entry in the playlist and reposition to it. Returns 1 on
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* success and 0 on failure. A subsequent call to playlist_get_next() will
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* return this list item again.
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*/
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int playlist_goto_entry(playlist_t, const char * /* name */);
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/*
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* Rewind the playlist to the beginning, so that it can be replayed. Does
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* not reread the playlist file.
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*/
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void playlist_rewind(playlist_t);
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/*
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* Reread the playlist file and rewind to the beginning. Equivalent to calling
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* playlist_free() and playlist_read(). Entries will no longer be shuffled
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* after calling this function.
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* Returns 1 on success, and 0 on error.
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*/
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int playlist_reread(playlist_t*);
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/*
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* Shuffle the entries of the playlist randomly.
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*/
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void playlist_shuffle(playlist_t);
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#endif /* __PLAYLIST_H__ */
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