audio_decoder_test_lib/
lc3.rs

1// Copyright 2020 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4use fidl_fuchsia_media::*;
5use stream_processor_test::*;
6
7/// Represents an LC3 elementary stream.
8pub struct Lc3Stream {
9    data: Vec<u8>,
10    oob_bytes: Vec<u8>,
11    chunk_frames: usize,
12}
13
14impl Lc3Stream {
15    /// Constructs a LC3 elementary stream from raw data.
16    pub fn from_data(data: Vec<u8>, oob_bytes: Vec<u8>, chunk_frames: usize) -> Self {
17        Lc3Stream { data, oob_bytes, chunk_frames }
18    }
19}
20
21impl ElementaryStream for Lc3Stream {
22    fn format_details(&self, version_ordinal: u64) -> FormatDetails {
23        FormatDetails {
24            format_details_version_ordinal: Some(version_ordinal),
25            mime_type: Some(String::from("audio/lc3")),
26            oob_bytes: Some(self.oob_bytes.clone()),
27            ..FormatDetails::default()
28        }
29    }
30
31    fn is_access_units(&self) -> bool {
32        false
33    }
34
35    fn stream<'a>(&'a self) -> Box<dyn Iterator<Item = ElementaryStreamChunk> + 'a> {
36        Box::new(self.data.chunks(self.chunk_frames).map(|frame| ElementaryStreamChunk {
37            start_access_unit: false,
38            known_end_access_unit: false,
39            data: frame.to_vec(),
40            significance: Significance::Audio(AudioSignificance::Encoded),
41            timestamp: None,
42        }))
43    }
44}
audio_decoder_test_lib/lc3.rs

audio_decoder_test_lib/
lc3.rs
