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Extend MPMedia implementation to handle 'seek'

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This commit is contained in:
zackslash
2023-10-20 18:04:05 +01:00
parent 6aeaf07611
commit cc85b79f79
3 changed files with 53 additions and 13 deletions
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backend/mpmediabridge.m
+28 -8
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@@ -8,32 +8,40 @@
void register_os_remote_commands() {
MPRemoteCommandCenter *commandCenter = [MPRemoteCommandCenter sharedCommandCenter];
[commandCenter.playCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(PLAY);
os_remote_command_callback(PLAY, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.pauseCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(PAUSE);
os_remote_command_callback(PAUSE, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.togglePlayPauseCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(TOGGLE);
os_remote_command_callback(TOGGLE, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.stopCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(STOP);
os_remote_command_callback(STOP, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.nextTrackCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(NEXT_TRACK);
os_remote_command_callback(NEXT_TRACK, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.previousTrackCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
os_remote_command_callback(PREVIOUS_TRACK);
os_remote_command_callback(PREVIOUS_TRACK, 0);
return MPRemoteCommandHandlerStatusSuccess;
}];
[commandCenter.changePlaybackPositionCommand addTargetWithHandler:^MPRemoteCommandHandlerStatus(MPRemoteCommandEvent * _Nonnull event) {
MPChangePlaybackPositionCommandEvent *positionChangeEvent = (MPChangePlaybackPositionCommandEvent *)event;
double posSecDouble = positionChangeEvent.positionTime;
int posSeconds = (int)posSecDouble;
os_remote_command_callback(SEEK, posSeconds);
return MPRemoteCommandHandlerStatusSuccess;
}];
}
@@ -41,7 +49,7 @@ void register_os_remote_commands() {
/**
* C bridge setting "Now Playing" information on macOS for media playback using the native APIs.
*/
void set_os_now_playing_info(const char *title, const char *artist, const char *coverArtFileURL) {
void set_os_now_playing_info(const char *title, const char *artist, const char *coverArtFileURL, double trackDuration) {
NSString *coverArtLocationString = [NSString stringWithUTF8String:coverArtFileURL];
NSURL *coverArtURL = [NSURL URLWithString:coverArtLocationString];
NSImage *coverArtImage = [[NSImage alloc] initWithContentsOfURL:coverArtURL];
@@ -54,12 +62,24 @@ void set_os_now_playing_info(const char *title, const char *artist, const char *
NSDictionary *nowPlayingInfo = @{
MPMediaItemPropertyTitle: [NSString stringWithUTF8String:title],
MPMediaItemPropertyArtist: [NSString stringWithUTF8String:artist],
MPMediaItemPropertyArtwork: coverArt
MPMediaItemPropertyArtwork: coverArt,
MPMediaItemPropertyPlaybackDuration: @(trackDuration) // Expects 'NSNumber'
};
infoCenter.nowPlayingInfo = nowPlayingInfo;
}
/**
* C bridge updating the OS playback position.
* creates a mutable copy of the immutable dictionary and writes it back with updated position.
*/
void update_os_now_playing_info_position(double positionSeconds) {
MPNowPlayingInfoCenter *infoCenter = [MPNowPlayingInfoCenter defaultCenter];
NSMutableDictionary *updatedInfo = [infoCenter.nowPlayingInfo mutableCopy];
updatedInfo[MPNowPlayingInfoPropertyElapsedPlaybackTime] = @(positionSeconds);
infoCenter.nowPlayingInfo = [updatedInfo copy];
}
/**
* C bridge setting the OS playback state to 'playing'.
*/