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Added Mpv type, added Event enum, removed Command trait

This commit is contained in:
Jonas Frei 2017-06-01 19:30:52 +02:00
parent 56b3e79022
commit ed9f35ba5d
3 changed files with 236 additions and 177 deletions
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2
Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "mpvipc"
version = "1.1.1"
version = "1.1.2"
authors = ["Jonas Frei <freijon@gmail.com>"]
description = "A small library which provides bindings to control existing mpv instances through sockets."
license = "GPL-3.0"

59
src/ipc.rs
View File

@ -4,7 +4,7 @@ use std::io::BufReader;
use std::io::prelude::*;
use std::iter::Iterator;
use std::sync::mpsc::Sender;
use super::{Mpv, Error, ErrorCode};
use super::*;
#[derive(Debug)]
pub struct PlaylistEntry {
@ -33,10 +33,10 @@ impl TypeHandler for String {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
@ -59,10 +59,10 @@ impl TypeHandler for bool {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
fn as_string(&self) -> String {
@ -88,10 +88,10 @@ impl TypeHandler for f64 {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
@ -114,10 +114,10 @@ impl TypeHandler for usize {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
@ -147,10 +147,10 @@ impl TypeHandler for HashMap<String, String> {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
@ -195,10 +195,10 @@ impl TypeHandler for Vec<PlaylistEntry> {
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
@ -235,10 +235,10 @@ pub fn get_mpv_property_string(instance: &Mpv, property: &str) -> Result<String,
Err(Error(ErrorCode::MpvError(error.to_string())))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
} else {
Err(Error(ErrorCode::UnexpectedValueReceived))
Err(Error(ErrorCode::UnexpectedValue))
}
}
Err(why) => Err(Error(ErrorCode::JsonParseError(why.to_string()))),
@ -312,14 +312,33 @@ pub fn observe_mpv_property(instance: &Mpv, id: &usize, property: &str) -> Resul
/// ```
/// listen("/tmp/mpvsocket");
/// ```
pub fn listen(instance: &Mpv, tx: &Sender<String>) {
pub fn listen(instance: &Mpv, tx: &Sender<Event>) {
let mut response = String::new();
let mut reader = BufReader::new(instance);
let mut reader = BufReader::new(&instance.0);
reader.read_line(&mut response).unwrap();
match serde_json::from_str::<Value>(&response) {
Ok(e) => {
if let Value::String(ref name) = e["event"] {
tx.send(name.to_string()).unwrap();
let event: Event = match name.as_str() {
"shutdown" => Event::Shutdown,
"start-file" => Event::StartFile,
"file-loaded" => Event::FileLoaded,
"seek" => Event::Seek,
"playback-restart" => Event::PlaybackRestart,
"idle" => Event::Idle,
"tick" => Event::Tick,
"video-reconfig" => Event::VideoReconfig,
"audio-reconfig" => Event::AudioReconfig,
"tracks-changed" => Event::TracksChanged,
"track-switched" => Event::TrackSwitched,
"pause" => Event::Pause,
"unpause" => Event::Unpause,
"metadata-update" => Event::MetadataUpdate,
"chapter-change" => Event::ChapterChange,
"end-file" => Event::EndFile,
_ => Event::Unimplemented,
};
tx.send(event).unwrap();
}
}
Err(why) => panic!("{}", why.to_string()),
@ -329,14 +348,14 @@ pub fn listen(instance: &Mpv, tx: &Sender<String>) {
pub fn listen_raw(instance: &Mpv, tx: &Sender<String>) {
let mut response = String::new();
let mut reader = BufReader::new(instance);
let mut reader = BufReader::new(&instance.0);
reader.read_line(&mut response).unwrap();
tx.send(response.clone()).unwrap();
response.clear();
}
fn send_command_sync(instance: &Mpv, command: &str) -> String {
let mut stream = instance;
let mut stream = &instance.0;
match stream.write_all(command.as_bytes()) {
Err(why) => panic!("Error: Could not write to socket: {}", why),
Ok(_) => {

352
src/lib.rs
View File

@ -9,7 +9,53 @@ use std::fmt::{self, Display};
use std::os::unix::net::UnixStream;
use std::sync::mpsc::Sender;
pub type Mpv = UnixStream;
#[derive(Debug)]
pub enum Event {
Shutdown,
// LogMessage {
// prefix: &'static str,
// level: &'static str,
// text: &'static str,
// log_level: LogLevel,
// },
// GetPropertyReply {
// name: &'static str,
// result: Result<Format<'a>>,
// reply_userdata: u32,
// },
// SetPropertyReply(Result<()>, u32),
// CommandReply(Result<()>, u32),
StartFile,
EndFile,
FileLoaded,
TracksChanged,
TrackSwitched,
Idle,
Pause,
Unpause,
Tick,
VideoReconfig,
AudioReconfig,
MetadataUpdate,
Seek,
PlaybackRestart,
// PropertyChange {
// name: &'static str,
// change: MpvDataType,
// reply_userdata: u32,
// },
ChapterChange,
Unimplemented,
}
pub enum MpvDataType {
Bool(bool),
String(String),
Double(f64),
Usize(usize),
HashMap(HashMap<String, String>),
Playlist(Playlist),
}
pub enum NumberChangeOptions {
Absolute,
@ -17,6 +63,17 @@ pub enum NumberChangeOptions {
Decrease,
}
pub enum PlaylistAddOptions {
Replace,
Append,
AppendPlay,
}
pub enum PlaylistAddTypeOptions {
File,
Playlist,
}
pub enum SeekOptions {
Relative,
Absolute,
@ -24,12 +81,6 @@ pub enum SeekOptions {
AbsolutePercent,
}
pub enum PlaylistAddOptions {
Replace,
Append,
AppendPlay,
}
pub enum Switch {
On,
Off,
@ -42,7 +93,7 @@ pub enum ErrorCode {
JsonParseError(String),
ConnectError(String),
UnexpectedResult,
UnexpectedValueReceived,
UnexpectedValue,
UnsupportedType,
ValueDoesNotContainBool,
ValueDoesNotContainF64,
@ -52,12 +103,17 @@ pub enum ErrorCode {
ValueDoesNotContainUsize,
}
pub struct Mpv(UnixStream);
pub struct Playlist(pub Vec<PlaylistEntry>);
#[derive(Debug)]
pub struct Error(pub ErrorCode);
pub trait MpvConnector {
fn connect(socket: &str) -> Result<Mpv, Error>;
impl Drop for Mpv {
fn drop(&mut self) {
self.0
.shutdown(std::net::Shutdown::Both)
.expect("stream shutdown");
}
}
impl Display for Error {
@ -75,7 +131,7 @@ impl Display for ErrorCode {
f.write_str(&format!("mpv returned an error value: {}", msg))
}
ErrorCode::UnexpectedResult => f.write_str("Unexpected result received"),
ErrorCode::UnexpectedValueReceived => f.write_str("Unexpected value received"),
ErrorCode::UnexpectedValue => f.write_str("Unexpected value received"),
ErrorCode::UnsupportedType => f.write_str("Unsupported type received"),
ErrorCode::ValueDoesNotContainBool => {
f.write_str("The received value is not of type \'std::bool\'")
@ -99,15 +155,6 @@ impl Display for ErrorCode {
}
}
impl MpvConnector for Mpv {
fn connect(socket: &str) -> Result<Mpv, Error> {
match UnixStream::connect(socket) {
Ok(stream) => Ok(stream),
Err(internal_error) => Err(Error(ErrorCode::ConnectError(internal_error.to_string()))),
}
}
}
pub trait GetPropertyTypeHandler: Sized {
fn get_property_generic(instance: &Mpv, property: &str) -> Result<Self, Error>;
}
@ -178,9 +225,27 @@ impl SetPropertyTypeHandler<usize> for usize {
}
}
pub trait Commands {
fn get_metadata(&self) -> Result<HashMap<String, String>, Error>;
fn get_playlist(&self) -> Result<Playlist, Error>;
impl Mpv {
pub fn connect(socket: &str) -> Result<Mpv, Error> {
match UnixStream::connect(socket) {
Ok(stream) => Ok(Mpv(stream)),
Err(internal_error) => Err(Error(ErrorCode::ConnectError(internal_error.to_string()))),
}
}
pub fn get_metadata(&self) -> Result<HashMap<String, String>, Error> {
match get_mpv_property(self, "metadata") {
Ok(map) => Ok(map),
Err(err) => Err(err),
}
}
pub fn get_playlist(&self) -> Result<Playlist, Error> {
match get_mpv_property::<Vec<PlaylistEntry>>(self, "playlist") {
Ok(entries) => Ok(Playlist(entries)),
Err(msg) => Err(msg),
}
}
/// #Description
///
@ -204,7 +269,9 @@ pub trait Commands {
/// let paused: bool = mpv.get_property("pause").unwrap();
/// let title: String = mpv.get_property("media-title").unwrap();
/// ```
fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, Error>;
pub fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, Error> {
T::get_property_generic(self, property)
}
/// #Description
///
@ -221,22 +288,41 @@ pub trait Commands {
/// let mpv = Mpv::connect("/tmp/mpvsocket").unwrap();
/// let title = mpv.get_property_string("media-title").unwrap();
/// ```
fn get_property_string(&self, property: &str) -> Result<String, Error>;
fn kill(&self) -> Result<(), Error>;
fn listen(&self, tx: &Sender<String>);
fn listen_raw(&self, tx: &Sender<String>);
fn next(&self) -> Result<(), Error>;
fn observe_property(&self, id: &usize, property: &str) -> Result<(), Error>;
fn pause(&self) -> Result<(), Error>;
fn playlist_add(&self, file: &str, option: PlaylistAddOptions) -> Result<(), Error>;
fn playlist_clear(&self) -> Result<(), Error>;
fn playlist_move_id(&self, from: usize, to: usize) -> Result<(), Error>;
fn playlist_play_id(&self, id: usize) -> Result<(), Error>;
fn playlist_play_next(&self, id: usize) -> Result<(), Error>;
fn playlist_shuffle(&self) -> Result<(), Error>;
fn playlist_remove_id(&self, id: usize) -> Result<(), Error>;
fn prev(&self) -> Result<(), Error>;
fn restart(&self) -> Result<(), Error>;
pub fn get_property_string(&self, property: &str) -> Result<String, Error> {
get_mpv_property_string(self, property)
}
pub fn kill(&self) -> Result<(), Error> {
run_mpv_command(self, "quit", &[])
}
pub fn event_listen(&self, tx: &Sender<Event>) {
listen(self, tx);
}
pub fn event_listen_raw(&self, tx: &Sender<String>) {
listen_raw(self, tx);
}
pub fn next(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-next", &[])
}
pub fn observe_property(&self, id: &usize, property: &str) -> Result<(), Error> {
observe_mpv_property(self, id, property)
}
pub fn pause(&self) -> Result<(), Error> {
set_mpv_property(self, "pause", true)
}
pub fn prev(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-prev", &[])
}
pub fn restart(&self) -> Result<(), Error> {
run_mpv_command(self, "seek", &["0", "absolute"])
}
/// #Description
///
@ -257,126 +343,60 @@ pub trait Commands {
/// //Run command 'seek' which in this case takes two arguments
/// mpv.run_command("seek", &["0", "absolute"]);
/// ```
fn run_command(&self, command: &str, args: &[&str]) -> Result<(), Error>;
fn seek(&self, seconds: f64, option: SeekOptions) -> Result<(), Error>;
fn set_loop_file(&self, option: Switch) -> Result<(), Error>;
fn set_loop_playlist(&self, option: Switch) -> Result<(), Error>;
fn set_mute(&self, option: Switch) -> Result<(), Error>;
/// #Description
///
/// Sets the mpv property _<property>_ to _<value>_.
///
/// ##Supported types
/// - String
/// - bool
/// - f64
/// - usize
///
/// ##Input arguments
///
/// - **property** defines the mpv property that should be retrieved
/// - **value** defines the value of the given mpv property _<property>_
///
/// #Example
/// ```
/// let mpv = Mpv::connect("/tmp/mpvsocket").unwrap();
/// mpv.set_property("pause", true);
/// ```
fn set_property<T: SetPropertyTypeHandler<T>>(&self,
property: &str,
value: T)
-> Result<(), Error>;
fn set_speed(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), Error>;
fn set_volume(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), Error>;
fn stop(&self) -> Result<(), Error>;
fn toggle(&self) -> Result<(), Error>;
}
impl Commands for Mpv {
fn get_metadata(&self) -> Result<HashMap<String, String>, Error> {
match get_mpv_property(self, "metadata") {
Ok(map) => Ok(map),
Err(err) => Err(err),
}
}
fn get_playlist(&self) -> Result<Playlist, Error> {
match get_mpv_property::<Vec<PlaylistEntry>>(self, "playlist") {
Ok(entries) => Ok(Playlist(entries)),
Err(msg) => Err(msg),
}
}
fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, Error> {
T::get_property_generic(self, property)
}
fn get_property_string(&self, property: &str) -> Result<String, Error> {
get_mpv_property_string(self, property)
}
fn kill(&self) -> Result<(), Error> {
run_mpv_command(self, "quit", &[])
}
fn listen(&self, tx: &Sender<String>) {
listen(self, tx);
}
fn listen_raw(&self, tx: &Sender<String>) {
listen_raw(self, tx);
}
fn next(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-next", &[])
}
fn observe_property(&self, id: &usize, property: &str) -> Result<(), Error> {
observe_mpv_property(self, id, property)
}
fn pause(&self) -> Result<(), Error> {
set_mpv_property(self, "pause", true)
}
fn prev(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-prev", &[])
}
fn restart(&self) -> Result<(), Error> {
run_mpv_command(self, "seek", &["0", "absolute"])
}
fn run_command(&self, command: &str, args: &[&str]) -> Result<(), Error> {
pub fn run_command(&self, command: &str, args: &[&str]) -> Result<(), Error> {
run_mpv_command(self, command, args)
}
fn playlist_add(&self, file: &str, option: PlaylistAddOptions) -> Result<(), Error> {
match option {
PlaylistAddOptions::Replace => run_mpv_command(self, "loadfile", &[file, "replace"]),
PlaylistAddOptions::Append => run_mpv_command(self, "loadfile", &[file, "append"]),
PlaylistAddOptions::AppendPlay => {
run_mpv_command(self, "loadfile", &[file, "append-play"])
pub fn playlist_add(&self,
file: &str,
file_type: PlaylistAddTypeOptions,
option: PlaylistAddOptions)
-> Result<(), Error> {
match file_type {
PlaylistAddTypeOptions::File => {
match option {
PlaylistAddOptions::Replace => {
run_mpv_command(self, "loadfile", &[file, "replace"])
}
PlaylistAddOptions::Append => {
run_mpv_command(self, "loadfile", &[file, "append"])
}
PlaylistAddOptions::AppendPlay => {
run_mpv_command(self, "loadfile", &[file, "append-play"])
}
}
}
PlaylistAddTypeOptions::Playlist => {
match option {
PlaylistAddOptions::Replace => {
run_mpv_command(self, "loadlist", &[file, "replace"])
}
PlaylistAddOptions::Append |
PlaylistAddOptions::AppendPlay => {
run_mpv_command(self, "loadlist", &[file, "append"])
}
}
}
}
}
fn playlist_clear(&self) -> Result<(), Error> {
pub fn playlist_clear(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-clear", &[])
}
fn playlist_move_id(&self, from: usize, to: usize) -> Result<(), Error> {
pub fn playlist_move_id(&self, from: usize, to: usize) -> Result<(), Error> {
run_mpv_command(self,
"playlist-remove",
&[&from.to_string(), &to.to_string()])
}
fn playlist_play_id(&self, id: usize) -> Result<(), Error> {
pub fn playlist_play_id(&self, id: usize) -> Result<(), Error> {
set_mpv_property(self, "playlist-pos", id)
}
fn playlist_play_next(&self, id: usize) -> Result<(), Error> {
pub fn playlist_play_next(&self, id: usize) -> Result<(), Error> {
match get_mpv_property::<usize>(self, "playlist-pos") {
Ok(current_id) => {
run_mpv_command(self,
@ -387,15 +407,15 @@ impl Commands for Mpv {
}
}
fn playlist_remove_id(&self, id: usize) -> Result<(), Error> {
pub fn playlist_remove_id(&self, id: usize) -> Result<(), Error> {
run_mpv_command(self, "playlist-remove", &[&id.to_string()])
}
fn playlist_shuffle(&self) -> Result<(), Error> {
pub fn playlist_shuffle(&self) -> Result<(), Error> {
run_mpv_command(self, "playlist-shuffle", &[])
}
fn seek(&self, seconds: f64, option: SeekOptions) -> Result<(), Error> {
pub fn seek(&self, seconds: f64, option: SeekOptions) -> Result<(), Error> {
match option {
SeekOptions::Absolute => {
run_mpv_command(self, "seek", &[&seconds.to_string(), "absolute"])
@ -412,7 +432,7 @@ impl Commands for Mpv {
}
}
fn set_loop_file(&self, option: Switch) -> Result<(), Error> {
pub fn set_loop_file(&self, option: Switch) -> Result<(), Error> {
let mut enabled = false;
match option {
Switch::On => enabled = true,
@ -436,7 +456,7 @@ impl Commands for Mpv {
set_mpv_property(self, "loop-file", enabled)
}
fn set_loop_playlist(&self, option: Switch) -> Result<(), Error> {
pub fn set_loop_playlist(&self, option: Switch) -> Result<(), Error> {
let mut enabled = false;
match option {
Switch::On => enabled = true,
@ -460,7 +480,7 @@ impl Commands for Mpv {
set_mpv_property(self, "loop-playlist", enabled)
}
fn set_mute(&self, option: Switch) -> Result<(), Error> {
pub fn set_mute(&self, option: Switch) -> Result<(), Error> {
let mut enabled = false;
match option {
Switch::On => enabled = true,
@ -477,14 +497,34 @@ impl Commands for Mpv {
set_mpv_property(self, "mute", enabled)
}
fn set_property<T: SetPropertyTypeHandler<T>>(&self,
property: &str,
value: T)
-> Result<(), Error> {
/// #Description
///
/// Sets the mpv property _<property>_ to _<value>_.
///
/// ##Supported types
/// - String
/// - bool
/// - f64
/// - usize
///
/// ##Input arguments
///
/// - **property** defines the mpv property that should be retrieved
/// - **value** defines the value of the given mpv property _<property>_
///
/// #Example
/// ```
/// let mpv = Mpv::connect("/tmp/mpvsocket").unwrap();
/// mpv.set_property("pause", true);
/// ```
pub fn set_property<T: SetPropertyTypeHandler<T>>(&self,
property: &str,
value: T)
-> Result<(), Error> {
T::set_property_generic(self, property, value)
}
fn set_speed(&self, input_speed: f64, option: NumberChangeOptions) -> Result<(), Error> {
pub fn set_speed(&self, input_speed: f64, option: NumberChangeOptions) -> Result<(), Error> {
match get_mpv_property::<f64>(self, "speed") {
Ok(speed) => {
match option {
@ -503,7 +543,7 @@ impl Commands for Mpv {
}
}
fn set_volume(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), Error> {
pub fn set_volume(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), Error> {
match get_mpv_property::<f64>(self, "volume") {
Ok(volume) => {
match option {
@ -522,11 +562,11 @@ impl Commands for Mpv {
}
}
fn stop(&self) -> Result<(), Error> {
pub fn stop(&self) -> Result<(), Error> {
run_mpv_command(self, "stop", &[])
}
fn toggle(&self) -> Result<(), Error> {
pub fn toggle(&self) -> Result<(), Error> {
match get_mpv_property::<bool>(self, "pause") {
Ok(paused) => set_mpv_property(self, "pause", !paused),
Err(msg) => Err(msg),