mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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168 lines
6.4 KiB
Rust
168 lines
6.4 KiB
Rust
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// Copyright (C) 2018 François Laignel <fengalin@free.fr>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use serde::de::{Deserialize, Deserializer};
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use serde::ser::{Serialize, Serializer, SerializeStruct};
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use Format;
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use GenericFormattedValue;
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use Segment;
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use SegmentFlags;
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impl<'a> Serialize for Segment {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let mut datetime = serializer.serialize_struct("Segment", 11)?;
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datetime.serialize_field("flags", &self.get_flags())?;
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datetime.serialize_field("rate", &self.get_rate())?;
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datetime.serialize_field("applied_rate", &self.get_applied_rate())?;
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datetime.serialize_field("format", &self.get_format())?;
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datetime.serialize_field("base", &self.get_base().get_value())?;
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datetime.serialize_field("offset", &self.get_offset().get_value())?;
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datetime.serialize_field("start", &self.get_start().get_value())?;
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datetime.serialize_field("stop", &self.get_stop().get_value())?;
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datetime.serialize_field("time", &self.get_time().get_value())?;
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datetime.serialize_field("position", &self.get_position().get_value())?;
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datetime.serialize_field("duration", &self.get_duration().get_value())?;
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datetime.end()
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}
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}
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#[derive(Deserialize)]
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struct SegmentDe {
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flags: SegmentFlags,
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rate: f64,
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applied_rate: f64,
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format: Format,
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base: i64,
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offset: i64,
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start: i64,
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stop: i64,
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time: i64,
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position: i64,
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duration: i64,
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}
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impl From<SegmentDe> for Segment {
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fn from(segment_de: SegmentDe) -> Self {
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let mut segment = Segment::new();
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segment.set_flags(segment_de.flags);
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segment.set_rate(segment_de.rate);
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segment.set_applied_rate(segment_de.applied_rate);
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segment.set_format(segment_de.format);
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segment.set_base(GenericFormattedValue::new(segment_de.format, segment_de.base));
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segment.set_offset(GenericFormattedValue::new(segment_de.format, segment_de.offset));
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segment.set_start(GenericFormattedValue::new(segment_de.format, segment_de.start));
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segment.set_stop(GenericFormattedValue::new(segment_de.format, segment_de.stop));
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segment.set_time(GenericFormattedValue::new(segment_de.format, segment_de.time));
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segment.set_position(GenericFormattedValue::new(segment_de.format, segment_de.position));
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segment.set_duration(GenericFormattedValue::new(segment_de.format, segment_de.duration));
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segment
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}
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}
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impl<'de> Deserialize<'de> for Segment {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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SegmentDe::deserialize(deserializer)
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.and_then(|segment_de| Ok(segment_de.into()))
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}
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}
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#[cfg(test)]
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mod tests {
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extern crate ron;
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use ClockTime;
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use Format;
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use GenericFormattedValue;
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use Segment;
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use SegmentFlags;
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#[test]
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fn test_serialize() {
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::init().unwrap();
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let mut segment = Segment::new();
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segment.set_flags(SegmentFlags::RESET | SegmentFlags::SEGMENT);
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segment.set_rate(1f64);
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segment.set_applied_rate(0.9f64);
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segment.set_format(Format::Time);
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segment.set_base(GenericFormattedValue::Time(ClockTime::from_nseconds(123)));
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segment.set_offset(GenericFormattedValue::Time(ClockTime::from_nseconds(42)));
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segment.set_start(GenericFormattedValue::Time(ClockTime::from_nseconds(1024)));
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segment.set_stop(GenericFormattedValue::Time(ClockTime::from_nseconds(2048)));
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segment.set_time(GenericFormattedValue::Time(ClockTime::from_nseconds(1042)));
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segment.set_position(GenericFormattedValue::Time(ClockTime::from_nseconds(256)));
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segment.set_duration(GenericFormattedValue::Time(ClockTime::none()));
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let mut pretty_config = ron::ser::PrettyConfig::default();
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pretty_config.new_line = "".to_string();
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let res = ron::ser::to_string_pretty(&segment, pretty_config);
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assert_eq!(
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Ok(
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concat!(
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"(",
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" flags: (",
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" bits: 9,",
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" ),",
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" rate: 1,",
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" applied_rate: 0.9,",
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" format: Time,",
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" base: 123,",
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" offset: 42,",
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" start: 1024,",
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" stop: 2048,",
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" time: 1042,",
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" position: 256,",
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" duration: -1,",
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")"
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)
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.to_owned()
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),
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res,
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);
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}
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#[test]
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fn test_deserialize() {
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::init().unwrap();
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let segment_ron = r#"
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(
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flags: (
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bits: 9,
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),
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rate: 1,
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applied_rate: 0.9,
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format: Time,
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base: 123,
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offset: 42,
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start: 1024,
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stop: 2048,
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time: 1042,
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position: 256,
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duration: -1,
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)
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"#;
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let segment: Segment = ron::de::from_str(segment_ron).unwrap();
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assert_eq!(segment.get_flags(), SegmentFlags::RESET | SegmentFlags::SEGMENT);
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assert_eq!(segment.get_rate(), 1f64);
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assert_eq!(segment.get_applied_rate(), 0.9f64);
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assert_eq!(segment.get_format(), Format::Time);
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assert_eq!(segment.get_base(), GenericFormattedValue::Time(ClockTime::from_nseconds(123)));
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assert_eq!(segment.get_offset(), GenericFormattedValue::Time(ClockTime::from_nseconds(42)));
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assert_eq!(segment.get_start(), GenericFormattedValue::Time(ClockTime::from_nseconds(1024)));
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assert_eq!(segment.get_stop(), GenericFormattedValue::Time(ClockTime::from_nseconds(2048)));
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assert_eq!(segment.get_time(), GenericFormattedValue::Time(ClockTime::from_nseconds(1042)));
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assert_eq!(segment.get_position(), GenericFormattedValue::Time(ClockTime::from_nseconds(256)));
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assert_eq!(segment.get_duration(), GenericFormattedValue::Time(ClockTime::none()));
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}
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}
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