Grzegorz/mpvipc-async
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Simplify user code by parsing properties ourselves

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This commit is contained in:
Emmanuel Gil Peyrot
2019-06-19 00:30:16 +02:00
parent f02b2549a0
commit 2911b9bb49
3 changed files with 74 additions and 54 deletions
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74
examples/media_player.rs
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@@ -4,6 +4,7 @@ use mpvipc::{
Event,
Mpv,
MpvDataType,
Property,
};
use std::io::{self, Write};
@@ -31,57 +32,32 @@ fn main() -> Result<(), Error> {
loop {
let event = mpv.event_listen()?;
match event {
Event::PropertyChange { name, id: _, data } => {
match name.as_ref() {
"path" => {
match data {
MpvDataType::String(value) => println!("\nPlaying: {}", value),
MpvDataType::Null => (),
_ => panic!("Wrong data type for 'path' value: {:?}", data),
Event::PropertyChange(property) => {
match property {
Property::Path(Some(value)) => println!("\nPlaying: {}", value),
Property::Path(None) => (),
Property::Pause(value) => pause = value,
Property::PlaybackTime(Some(value)) => playback_time = value,
Property::PlaybackTime(None) => playback_time = std::f64::NAN,
Property::Duration(Some(value)) => duration = value,
Property::Duration(None) => duration = std::f64::NAN,
Property::Metadata(Some(value)) => {
println!("File tags:");
if let Some(MpvDataType::String(value)) = value.get("ARTIST") {
println!(" Artist: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("ALBUM") {
println!(" Album: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("TITLE") {
println!(" Title: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("TRACK") {
println!(" Track: {}", value);
}
},
"pause" => {
match data {
MpvDataType::Bool(value) => pause = value,
_ => panic!("Wrong data type for 'pause' value: {:?}", data),
}
},
"playback-time" => {
match data {
MpvDataType::Double(value) => playback_time = value,
MpvDataType::Null => (),
_ => panic!("Wrong data type for 'playback-time' value: {:?}", data),
}
},
"duration" => {
match data {
MpvDataType::Double(value) => duration = value,
MpvDataType::Null => (),
_ => panic!("Wrong data type for 'duration' value: {:?}", data),
}
},
"metadata" => {
match data {
MpvDataType::HashMap(value) => {
println!("File tags:");
if let Some(MpvDataType::String(value)) = value.get("ARTIST") {
println!(" Artist: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("ALBUM") {
println!(" Album: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("TITLE") {
println!(" Title: {}", value);
}
if let Some(MpvDataType::String(value)) = value.get("TRACK") {
println!(" Track: {}", value);
}
},
MpvDataType::Null => (),
_ => panic!("Wrong data type for 'metadata' value: {:?}", data),
}
},
_ => panic!("Wrong property changed: {}", name),
Property::Metadata(None) => (),
Property::Unknown { name: _, id: _, data: _ } => (),
}
},
Event::Shutdown => return Ok(()),