60 lines
1.7 KiB
Rust
60 lines
1.7 KiB
Rust
// Copyright (c) 2015 T. Okubo
|
|
// This file is part of vlc-rs.
|
|
// Licensed under the MIT license, see the LICENSE file.
|
|
|
|
use vlc_sys as sys;
|
|
use crate::MediaPlayer;
|
|
use crate::TrackDescription;
|
|
use crate::tools::from_cstr;
|
|
|
|
pub trait MediaPlayerAudioEx {
|
|
fn get_mute(&self) -> Option<bool>;
|
|
fn set_mute(&self, muted: bool);
|
|
fn get_volume(&self) -> i32;
|
|
fn set_volume(&self, volume: i32) -> Result<(), ()>;
|
|
fn get_audio_track_description(&self) -> Option<Vec<TrackDescription>>;
|
|
}
|
|
|
|
impl MediaPlayerAudioEx for MediaPlayer {
|
|
fn get_mute(&self) -> Option<bool> {
|
|
let r = unsafe{ sys::libvlc_audio_get_mute(self.ptr) };
|
|
|
|
if r == 0 {
|
|
Some(false)
|
|
}else if r == -1 {
|
|
None
|
|
}else{
|
|
Some(true)
|
|
}
|
|
}
|
|
|
|
fn set_mute(&self, status: bool) {
|
|
unsafe{ sys::libvlc_audio_set_mute(self.ptr, if status { 1 }else{ 0 }) };
|
|
}
|
|
|
|
fn get_volume(&self) -> i32 {
|
|
unsafe{ sys::libvlc_audio_get_volume(self.ptr) }
|
|
}
|
|
fn set_volume(&self, volume: i32) -> Result<(), ()> {
|
|
unsafe{
|
|
if sys::libvlc_audio_set_volume(self.ptr, volume) == 0 { Ok(()) }else{ Err(()) }
|
|
}
|
|
}
|
|
fn get_audio_track_description(&self) -> Option<Vec<TrackDescription>> {
|
|
unsafe{
|
|
let p0 = sys::libvlc_audio_get_track_description(self.ptr);
|
|
if p0.is_null() { return None; }
|
|
let mut td = Vec::new();
|
|
let mut p = p0;
|
|
|
|
while !(*p).p_next.is_null() {
|
|
td.push(TrackDescription{ id: (*p).i_id, name: from_cstr((*p).psz_name) });
|
|
p = (*p).p_next;
|
|
}
|
|
sys::libvlc_track_description_list_release(p0);
|
|
Some(td)
|
|
}
|
|
}
|
|
|
|
}
|