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use super::{
Audio,
ChanneledTrack,
MonoTrack,
TrackSet,
TrackResult,
AudioCommandResult,
};
use std::{
path::Path,
cmp::Ordering,
};
pub struct AudioWrapper{
pub audio:Audio,
names:Vec<String>,
track_sets:Vec<Vec<Set>>,
}
pub struct Set{
pub index:usize,
pub channels:Vec<usize>
}
impl AudioWrapper{
fn search_track(&self,name:&str)->Option<usize>{
for (c,track_name) in self.names.iter().enumerate(){
if name.cmp(track_name)==Ordering::Equal{
return Some(c)
}
}
None
}
fn remove_track_inner(&mut self,name:&str)->Option<Vec<Set>>{
if let Some(set)=self.search_track(name){
self.names.remove(set);
Some(self.track_sets.remove(set))
}
else{
None
}
}
}
impl AudioWrapper{
pub fn new(audio:Audio)->AudioWrapper{
Self{
audio,
names:Vec::new(),
track_sets:Vec::new(),
}
}
pub fn push_track(&mut self,track:ChanneledTrack,name:String)->bool{
let sample_rate=track.sample_rate();
let mut tracks=Vec::with_capacity(track.channels());
let mut track_sets=Vec::with_capacity(track.channels());
for (data,channels) in track.into_iter(){
tracks.push(MonoTrack{data,sample_rate});
track_sets.push(Set{index:0,channels});
}
if let AudioCommandResult::Indices(indices)=self.audio.add_tracks(tracks){
for (c,index) in indices.into_iter().enumerate(){
track_sets[c].index=index
}
self.names.push(name);
self.track_sets.push(track_sets);
true
}
else{
false
}
}
pub fn load_track<P:AsRef<Path>>(&mut self,path:P,name:String)->bool{
let track=if let TrackResult::Ok(track)=ChanneledTrack::new(path){
track
}
else{
return false
};
let sample_rate=track.sample_rate();
let mut tracks=Vec::with_capacity(track.channels());
let mut track_sets=Vec::with_capacity(track.channels());
for (data,channels) in track.into_iter(){
tracks.push(MonoTrack{data,sample_rate});
track_sets.push(Set{index:0,channels});
}
if let AudioCommandResult::Indices(indices)=self.audio.add_tracks(tracks){
for (c,index) in indices.into_iter().enumerate(){
track_sets[c].index=index
}
self.names.push(name);
self.track_sets.push(track_sets);
true
}
else{
false
}
}
pub fn remove_track(&mut self,name:&str)->AudioCommandResult{
if let Some(track_sets)=self.remove_track_inner(name){
let track_indices:Vec<usize>=track_sets.into_iter().map(|set|set.index).collect();
self.audio.remove_tracks(track_indices)
}
else{
AudioCommandResult::Sent
}
}
pub fn clear_storage(&mut self)->AudioCommandResult{
self.names.clear();
self.track_sets.clear();
self.audio.clear_storage()
}
pub fn push_sets(&mut self,name:String,sets:Vec<Set>){
self.names.push(name);
self.track_sets.push(sets);
}
pub fn get_track_sets(&self,name:&str)->Option<&Vec<Set>>{
if let Some(track_sets_index)=self.search_track(name){
Some(&self.track_sets[track_sets_index])
}
else{
None
}
}
pub fn get_mut_track_sets(&mut self,name:&str)->Option<&mut Vec<Set>>{
if let Some(track_sets_index)=self.search_track(name){
Some(&mut self.track_sets[track_sets_index])
}
else{
None
}
}
}
impl AudioWrapper{
pub fn play_track(&self,name:&str,repeats:u32)->AudioCommandResult{
if let Some(track_sets_index)=self.search_track(name){
let track_sets=&self.track_sets[track_sets_index];
let mut full_track_sets=Vec::with_capacity(track_sets.len());
for set in track_sets{
let track_set=TrackSet{
index:set.index,
channels:set.channels.clone(),
repeats,
volume:1f32,
};
full_track_sets.push(track_set)
}
self.audio.play_tracks(full_track_sets)
}
else{
AudioCommandResult::NoSuchTrack
}
}
pub fn stop_track(&self,name:&str)->AudioCommandResult{
if let Some(track_sets_index)=self.search_track(name){
let track_sets=&self.track_sets[track_sets_index];
let track_indices:Vec<usize>=track_sets.iter().map(|set|set.index).collect();
self.audio.stop_tracks_storage(track_indices)
}
else{
AudioCommandResult::NoSuchTrack
}
}
pub fn play(&self)->AudioCommandResult{
self.audio.play()
}
pub fn pause(&self)->AudioCommandResult{
self.audio.pause()
}
pub fn unpause_track(&self,name:&str)->AudioCommandResult{
if let Some(track_sets_index)=self.search_track(name){
let track_sets=&self.track_sets[track_sets_index];
let track_indices:Vec<usize>=track_sets.iter().map(|set|set.index).collect();
self.audio.unpause_tracks_storage(track_indices)
}
else{
AudioCommandResult::NoSuchTrack
}
}
pub fn pause_track(&self,name:&str)->AudioCommandResult{
if let Some(track_sets_index)=self.search_track(name){
let track_sets=&self.track_sets[track_sets_index];
let track_indices:Vec<usize>=track_sets.iter().map(|set|set.index).collect();
self.audio.pause_tracks_storage(track_indices)
}
else{
AudioCommandResult::NoSuchTrack
}
}
pub fn clear_playlist(&self)->AudioCommandResult{
self.audio.clear_playlist()
}
}
impl AudioWrapper{
pub fn set_track_volume(&self,name:&str,volume:f32)->AudioCommandResult{
if let Some(track_sets_index)=self.search_track(name){
let tracks:Vec<usize>=self.track_sets[track_sets_index].iter().map(|set|set.index).collect();
self.audio.set_tracks_volume_storage(tracks,volume)
}
else{
AudioCommandResult::NoSuchTrack
}
}
pub fn set_general_volume(&self,volume:f32)->AudioCommandResult{
self.audio.set_general_volume(volume)
}
}