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https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2024-12-11 04:36:32 +00:00
80 lines
2.7 KiB
Rust
80 lines
2.7 KiB
Rust
// Copyright (C) 2020 Philippe Normand <philn@igalia.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
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// If a copy of the MPL was not distributed with this file, You can obtain one at
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// <https://mozilla.org/MPL/2.0/>.
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//
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// SPDX-License-Identifier: MPL-2.0
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use byte_slice_cast::*;
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fn init() {
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use std::sync::Once;
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static INIT: Once = Once::new();
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INIT.call_once(|| {
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gst::init().unwrap();
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gstrsaudiofx::plugin_register_static().expect("Failed to register rsaudiofx plugin");
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});
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}
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#[test]
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fn test_rnnoise_silence_big_buffers() {
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init();
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let audio_info = gst_audio::AudioInfo::builder(gst_audio::AUDIO_FORMAT_F32, 48000, 2)
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.build()
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.unwrap();
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test_rnnoise(&audio_info, 4096);
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}
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#[test]
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fn test_rnnoise_silence_small_buffers() {
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init();
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let audio_info = gst_audio::AudioInfo::builder(gst_audio::AUDIO_FORMAT_F32, 48000, 2)
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.build()
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.unwrap();
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test_rnnoise(&audio_info, 1024);
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}
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fn test_rnnoise(audio_info: &gst_audio::AudioInfo, buffer_size: usize) {
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let filter = gst::ElementFactory::make("audiornnoise").build().unwrap();
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let mut h = gst_check::Harness::with_element(&filter, Some("sink"), Some("src"));
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let sink_caps = audio_info.to_caps().unwrap();
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let src_caps = sink_caps.clone();
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h.set_caps(src_caps, sink_caps);
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h.play();
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let buffer = {
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let mut buffer = gst::Buffer::with_size(buffer_size * audio_info.bpf() as usize).unwrap();
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{
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let format_info = audio_info.format_info();
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let buffer_mut = buffer.get_mut().unwrap();
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let mut omap = buffer_mut.map_writable().unwrap();
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let odata = omap.as_mut_slice_of::<u8>().unwrap();
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format_info.fill_silence(odata);
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}
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buffer
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};
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let num_buffers = 5;
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let mut total_processed = 0;
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for _ in 0..num_buffers {
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let result = h.push_and_pull(buffer.clone()).unwrap();
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let map = result.into_mapped_buffer_readable().unwrap();
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let output = map.as_slice().as_slice_of::<f64>().unwrap();
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// all samples in the output buffers must value 0
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assert!(output.iter().all(|sample| *sample as u16 == 0u16));
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total_processed += output.len();
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}
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h.push_event(gst::event::Eos::new());
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let last_buffer = h.pull().unwrap();
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let map = last_buffer.into_mapped_buffer_readable().unwrap();
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let output = map.as_slice().as_slice_of::<f64>().unwrap();
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total_processed += output.len();
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// The total amount of samples pushed into the element shall be equal to the
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// total amount of samples pulled from it.
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assert_eq!(total_processed, num_buffers * buffer_size);
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}
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