gst-plugins-rs/audio/audiofx/tests/hrtfrender.rs

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// Copyright (C) 2021 Tomasz Andrzejak <andreiltd@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at
// <https://mozilla.org/MPL/2.0/>.
//
// SPDX-License-Identifier: MPL-2.0
use gst::glib;
use gst::prelude::*;
use gst::glib::once_cell::sync::Lazy;
static CONFIG: Lazy<glib::Bytes> = Lazy::new(|| {
let buff = include_bytes!("test.hrir");
glib::Bytes::from_owned(buff)
});
fn init() {
use std::sync::Once;
static INIT: Once = Once::new();
INIT.call_once(|| {
gst::init().unwrap();
gstrsaudiofx::plugin_register_static().expect("Failed to register rsaudiofx plugin");
});
}
fn build_harness(src_caps: gst::Caps, sink_caps: gst::Caps) -> (gst_check::Harness, gst::Element) {
let hrtf = gst::ElementFactory::make("hrtfrender")
.property("hrir-raw", &*CONFIG)
.build()
.unwrap();
let mut h = gst_check::Harness::with_element(&hrtf, Some("sink"), Some("src"));
h.set_caps(src_caps, sink_caps);
(h, hrtf)
}
#[test]
fn test_hrtfrender_samples_in_samples_out() {
init();
let src_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(1)
.channel_mask(0x1)
.build();
let sink_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(2)
.build();
let (mut h, _) = build_harness(src_caps, sink_caps);
h.play();
let inbpf = 4;
let outbpf = 8;
let full_block = 512 * 8;
let mut buffer = gst::Buffer::with_size(full_block * inbpf + 20 * inbpf).unwrap();
let buffer_mut = buffer.get_mut().unwrap();
let full_block_time = (full_block as u64)
.mul_div_round(*gst::ClockTime::SECOND, 44_100)
.map(gst::ClockTime::from_nseconds);
buffer_mut.set_pts(gst::ClockTime::ZERO);
buffer_mut.set_duration(full_block_time);
buffer_mut.set_offset(0);
let ret = h.push(buffer);
assert!(ret.is_ok());
let buffer = h.pull().unwrap();
assert_eq!(buffer.size(), full_block * outbpf);
h.push_event(gst::event::Eos::new());
let buffer = h.pull().unwrap();
assert_eq!(buffer.size(), 20 * outbpf);
assert_eq!(buffer.offset(), full_block as u64);
assert_eq!(buffer.pts(), full_block_time);
let residue_time = 20
.mul_div_round(*gst::ClockTime::SECOND, 44_100)
.map(gst::ClockTime::from_nseconds);
assert_eq!(buffer.duration(), residue_time);
}
#[test]
fn test_hrtfrender_implicit_spatial_objects() {
init();
let src_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(8)
.channel_mask(0xc3f)
.build();
let sink_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(2)
.build();
let (mut h, hrtf) = build_harness(src_caps, sink_caps);
let objs = hrtf.property::<gst::Array>("spatial-objects");
h.play();
assert_eq!(objs.len(), 8);
}
#[test]
fn test_hrtfrender_explicit_spatial_objects() {
init();
let src_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(8)
.build();
let sink_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(2)
.build();
let (mut h, hrtf) = build_harness(src_caps, sink_caps);
let objs = (0..8)
.map(|x| {
gst::Structure::builder("application/spatial-object")
.field("x", -1f32 + x as f32 / 8f32)
.field("y", 0f32)
.field("z", 1f32)
.field("distance-gain", 0.1f32)
.build()
})
.collect::<Vec<_>>();
hrtf.set_property("spatial-objects", gst::Array::new(objs));
h.play();
let objs = hrtf.property::<gst::Array>("spatial-objects");
assert_eq!(objs.len(), 8);
}
#[test]
// Caps negotiation should fail if we have mismatch between input channels and
// of objects that we set via property. In this test case input has 6 channels
// but the number of spatial objects set is 2.
fn test_hrtfrender_caps_negotiation_fail() {
init();
let src_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(6)
.build();
let sink_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(2)
.build();
let (mut h, hrtf) = build_harness(src_caps, sink_caps);
let objs = (0..2)
.map(|_| {
gst::Structure::builder("application/spatial-object")
.field("x", 0f32)
.field("y", 0f32)
.field("z", 1f32)
.field("distance-gain", 0.1f32)
.build()
})
.collect::<Vec<_>>();
hrtf.set_property("spatial-objects", gst::Array::new(objs));
h.play();
let buffer = gst::Buffer::with_size(2048).unwrap();
assert_eq!(h.push(buffer), Err(gst::FlowError::NotNegotiated));
h.push_event(gst::event::Eos::new());
// The harness sinkpad end up not having defined caps so, the current_caps
// should be None
let current_caps = h.sinkpad().expect("harness has no sinkpad").current_caps();
assert!(current_caps.is_none());
}
#[test]
fn test_hrtfrender_multiple_instances_sharing_thread_pool() {
init();
let src_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(1)
.build();
let sink_caps = gst_audio::AudioCapsBuilder::new_interleaved()
.format(gst_audio::AUDIO_FORMAT_F32)
.rate(44_100)
.channels(2)
.build();
let (_, hrtf) = build_harness(src_caps.clone(), sink_caps.clone());
let block_length: u64 = hrtf.property::<u64>("block-length");
let steps: u64 = hrtf.property::<u64>("interpolation-steps");
let bps: u64 = 4;
drop(hrtf);
let blksz = (block_length * steps * bps) as usize;
let mut harnesses = (0..4)
.map(|_| build_harness(src_caps.clone(), sink_caps.clone()).0)
.collect::<Vec<_>>();
for h in harnesses.iter_mut() {
h.play();
let buffer = gst::Buffer::with_size(blksz).unwrap();
assert!(h.push(buffer).is_ok());
let buffer = h.pull().unwrap();
assert_eq!(buffer.size(), 2 * blksz);
h.push_event(gst::event::Eos::new());
}
}