mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-18 15:41:07 +00:00
223 lines
7.7 KiB
Rust
223 lines
7.7 KiB
Rust
// 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;
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use serde::ser::{Serialize, SerializeStruct, Serializer};
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use serde_bytes::{ByteBuf, Bytes};
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use Buffer;
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use BufferFlags;
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use BufferRef;
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use ClockTime;
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impl<'a> Serialize for BufferRef {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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let mut buffer = serializer.serialize_struct("Buffer", 6)?;
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buffer.serialize_field("pts", &self.get_pts())?;
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buffer.serialize_field("dts", &self.get_dts())?;
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buffer.serialize_field("duration", &self.get_duration())?;
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buffer.serialize_field("offset", &self.get_offset())?;
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buffer.serialize_field("offset_end", &self.get_offset_end())?;
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buffer.serialize_field("flags", &self.get_flags())?;
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{
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let data = self
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.map_readable()
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.ok_or_else(|| ser::Error::custom("Couldn't map `buffer` as readable"))?;
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buffer.serialize_field("buffer", &Bytes::new(data.as_slice()))?;
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}
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buffer.end()
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}
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}
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impl<'a> Serialize for Buffer {
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fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
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self.as_ref().serialize(serializer)
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}
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}
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#[derive(Deserialize)]
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struct BufferDe {
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pts: ClockTime,
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dts: ClockTime,
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duration: ClockTime,
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offset: u64,
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offset_end: u64,
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flags: BufferFlags,
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buffer: ByteBuf,
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}
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impl From<BufferDe> for Buffer {
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fn from(buf_de: BufferDe) -> Self {
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let mut buffer = Buffer::from_mut_slice(buf_de.buffer.to_vec()).unwrap();
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{
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let buffer = buffer.get_mut().unwrap();
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buffer.set_pts(buf_de.pts);
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buffer.set_dts(buf_de.dts);
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buffer.set_duration(buf_de.duration);
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buffer.set_offset(buf_de.offset);
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buffer.set_offset_end(buf_de.offset_end);
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buffer.set_flags(buf_de.flags);
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}
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buffer
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}
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}
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impl<'de> Deserialize<'de> for Buffer {
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fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
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BufferDe::deserialize(deserializer).map(|buffer_de| buffer_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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extern crate serde_json;
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extern crate serde_pickle;
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use Buffer;
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use BufferFlags;
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#[test]
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fn test_serialize() {
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::init().unwrap();
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let mut buffer = Buffer::from_slice(vec![1, 2, 3, 4]).unwrap();
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{
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let buffer = buffer.get_mut().unwrap();
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buffer.set_pts(1.into());
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buffer.set_offset(3);
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buffer.set_offset_end(4);
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buffer.set_duration(5.into());
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buffer.set_flags(BufferFlags::LIVE | BufferFlags::LAST);
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}
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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(&buffer, pretty_config);
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assert_eq!(
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Ok(concat!(
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"(",
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" pts: Some(1),",
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" dts: None,",
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" duration: Some(5),",
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" offset: 3,",
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" offset_end: 4,",
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" flags: (",
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" bits: 1048592,",
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" ),",
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" buffer: \"AQIDBA==\",",
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")"
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).to_owned()),
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res
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);
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let res = serde_json::to_string(&buffer).unwrap();
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assert_eq!(
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concat!(
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"{",
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"\"pts\":1,",
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"\"dts\":null,",
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"\"duration\":5,",
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"\"offset\":3,",
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"\"offset_end\":4,",
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"\"flags\":{\"bits\":1048592},",
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"\"buffer\":[1,2,3,4]",
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"}"
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).to_owned(),
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res
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);
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let res = serde_pickle::to_vec(&buffer, true).unwrap();
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assert_eq!(
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vec![
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128, 3, 125, 40, 88, 3, 0, 0, 0, 112, 116, 115, 74, 1, 0, 0, 0, 88, 3, 0, 0, 0,
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100, 116, 115, 78, 88, 8, 0, 0, 0, 100, 117, 114, 97, 116, 105, 111, 110, 74, 5, 0,
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0, 0, 88, 6, 0, 0, 0, 111, 102, 102, 115, 101, 116, 74, 3, 0, 0, 0, 88, 10, 0, 0,
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0, 111, 102, 102, 115, 101, 116, 95, 101, 110, 100, 74, 4, 0, 0, 0, 88, 5, 0, 0, 0,
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102, 108, 97, 103, 115, 125, 40, 88, 4, 0, 0, 0, 98, 105, 116, 115, 74, 16, 0, 16,
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0, 117, 88, 6, 0, 0, 0, 98, 117, 102, 102, 101, 114, 67, 4, 1, 2, 3, 4, 117, 46,
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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 buffer_ron = r#"
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(
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pts: Some(1),
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dts: None,
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duration: Some(5),
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offset: 3,
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offset_end: 4,
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flags: (
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bits: 1048592,
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),
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buffer: "AQIDBA==",
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)
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"#;
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let buffer: Buffer = ron::de::from_str(buffer_ron).unwrap();
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assert_eq!(buffer.get_pts(), 1.into());
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assert_eq!(buffer.get_dts(), None.into());
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assert_eq!(buffer.get_offset(), 3);
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assert_eq!(buffer.get_offset_end(), 4);
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assert_eq!(buffer.get_duration(), 5.into());
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assert_eq!(buffer.get_flags(), BufferFlags::LIVE | BufferFlags::LAST);
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{
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let data = buffer.map_readable().unwrap();
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assert_eq!(data.as_slice(), vec![1, 2, 3, 4].as_slice());
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}
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let buffer_json = r#"
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{
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"pts":1,
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"dts":null,
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"duration":5,
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"offset":3,
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"offset_end":4,
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"flags":{"bits":1048592},
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"buffer":[1,2,3,4]
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}
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"#;
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let buffer: Buffer = serde_json::from_str(buffer_json).unwrap();
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assert_eq!(buffer.get_pts(), 1.into());
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assert_eq!(buffer.get_dts(), None.into());
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assert_eq!(buffer.get_offset(), 3);
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assert_eq!(buffer.get_offset_end(), 4);
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assert_eq!(buffer.get_duration(), 5.into());
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assert_eq!(buffer.get_flags(), BufferFlags::LIVE | BufferFlags::LAST);
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{
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let data = buffer.map_readable().unwrap();
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assert_eq!(data.as_slice(), vec![1, 2, 3, 4].as_slice());
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}
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let buffer_pickle: &[u8] = &[
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128, 3, 125, 40, 88, 3, 0, 0, 0, 112, 116, 115, 74, 1, 0, 0, 0, 88, 3, 0, 0, 0, 100,
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116, 115, 78, 88, 8, 0, 0, 0, 100, 117, 114, 97, 116, 105, 111, 110, 74, 5, 0, 0, 0,
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88, 6, 0, 0, 0, 111, 102, 102, 115, 101, 116, 74, 3, 0, 0, 0, 88, 10, 0, 0, 0, 111,
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102, 102, 115, 101, 116, 95, 101, 110, 100, 74, 4, 0, 0, 0, 88, 5, 0, 0, 0, 102, 108,
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97, 103, 115, 125, 40, 88, 4, 0, 0, 0, 98, 105, 116, 115, 74, 16, 0, 16, 0, 117, 88, 6,
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0, 0, 0, 98, 117, 102, 102, 101, 114, 67, 4, 1, 2, 3, 4, 117, 46,
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];
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let buffer: Buffer = serde_pickle::from_slice(buffer_pickle).unwrap();
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assert_eq!(buffer.get_pts(), 1.into());
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assert_eq!(buffer.get_dts(), None.into());
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assert_eq!(buffer.get_offset(), 3);
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assert_eq!(buffer.get_offset_end(), 4);
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assert_eq!(buffer.get_duration(), 5.into());
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assert_eq!(buffer.get_flags(), BufferFlags::LIVE | BufferFlags::LAST);
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{
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let data = buffer.map_readable().unwrap();
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assert_eq!(data.as_slice(), vec![1, 2, 3, 4].as_slice());
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}
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}
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}
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