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// Copyright 2025 LiveKit, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use crate::impl_thread_safety;
#[cxx::bridge(namespace = "livekit_ffi")]
pub mod ffi {
unsafe extern "C++" {
include!("livekit/audio_resampler.h");
type AudioResampler;
unsafe fn remix_and_resample(
self: Pin<&mut AudioResampler>,
src: *const i16,
samples_per_channel: usize,
num_channels: usize,
sample_rate: i32,
dst_num_channels: usize,
dst_sample_rate: i32,
) -> usize;
unsafe fn data(self: &AudioResampler) -> *const i16;
fn create_audio_resampler() -> UniquePtr<AudioResampler>;
}
}
impl_thread_safety!(ffi::AudioResampler, Send + Sync);