Théo Monnom
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*
|
|
* Copyright 2023 LiveKit
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
|
|
#include "api/audio/audio_frame.h"
|
|
#include "api/data_channel_interface.h"
|
|
#include "common_audio/resampler/include/push_resampler.h"
|
|
#include "livekit/webrtc.h"
|
|
#include "rust/cxx.h"
|
|
|
|
namespace livekit {
|
|
|
|
class AudioResampler {
|
|
public:
|
|
size_t remix_and_resample(const int16_t* src,
|
|
size_t samples_per_channel,
|
|
size_t num_channels,
|
|
int sample_rate_hz,
|
|
size_t dest_num_channels,
|
|
int dest_sample_rate_hz);
|
|
|
|
const int16_t* data() const;
|
|
|
|
private:
|
|
webrtc::AudioFrame frame_;
|
|
webrtc::PushResampler<int16_t> resampler_;
|
|
};
|
|
|
|
std::unique_ptr<AudioResampler> create_audio_resampler();
|
|
|
|
} // namespace livekit
|