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playlist: Rework playlist modified detection and dirplay

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The modified state is now an explicit flag that has to be
set whenever a user-triggered modification occurs. This is
recorded in the control file to ensure it doesn't get lost
after resume. There may be some places I missed where the
modified flag should be set/cleared, but it seems to work
well enough right now.

Change-Id: I3bdba358fc495b4ca84e389ac6e7bcbef820c219
This commit is contained in:
Aidan MacDonald 2023-03-29 10:58:30 +01:00
parent 781f955aa2
commit 7ccbd705f4
8 changed files with 101 additions and 50 deletions
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8
apps/playlist.h
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@ -38,6 +38,9 @@
#define DEFAULT_DYNAMIC_PLAYLIST_NAME "/dynamic.m3u8"
#define PLAYLIST_FLAG_MODIFIED (1u << 0) /* playlist was manually modified */
#define PLAYLIST_FLAG_DIRPLAY (1u << 1) /* enable directory skipping */
enum playlist_command {
PLAYLIST_COMMAND_PLAYLIST,
PLAYLIST_COMMAND_ADD,
@ -47,6 +50,7 @@ enum playlist_command {
PLAYLIST_COMMAND_UNSHUFFLE,
PLAYLIST_COMMAND_RESET,
PLAYLIST_COMMAND_CLEAR,
PLAYLIST_COMMAND_FLAGS,
PLAYLIST_COMMAND_COMMENT
};
@ -64,8 +68,7 @@ struct playlist_info
{
bool utf8; /* playlist is in .m3u8 format */
bool control_created; /* has control file been created? */
bool modified; /* has playlist been modified by the user? */
bool dirplay; /* are we playing a directory directly? */
unsigned int flags; /* flags for misc. state */
int fd; /* descriptor of the open playlist file */
int control_fd; /* descriptor of the open control file */
int max_playlist_size; /* Max number of files in playlist. Mirror of
@ -161,6 +164,7 @@ int playlist_randomise(struct playlist_info* playlist, unsigned int seed,
int playlist_sort(struct playlist_info* playlist, bool start_current);
bool playlist_modified(const struct playlist_info* playlist);
void playlist_set_modified(struct playlist_info* playlist, bool modified);
bool playlist_allow_dirplay(const struct playlist_info* playlist);
int playlist_get_first_index(const struct playlist_info* playlist);
int playlist_get_seed(const struct playlist_info* playlist);
int playlist_amount_ex(const struct playlist_info* playlist);