audio_encoder_opus.h

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/*

 *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_

#define API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_

#include <memory>

#include <optional>

#include <vector>

#include "api/audio_codecs/audio_encoder.h"

#include "api/audio_codecs/audio_encoder_factory.h"

#include "api/audio_codecs/audio_format.h"

#include "api/audio_codecs/opus/audio_encoder_opus_config.h"

#include "api/environment/environment.h"

#include "rtc_base/system/rtc_export.h"

namespace webrtc {

// Opus encoder API for use as a template parameter to

// CreateAudioEncoderFactory<...>().

struct RTC_EXPORT AudioEncoderOpus {

  using Config = AudioEncoderOpusConfig;

  static std::optional<AudioEncoderOpusConfig> SdpToConfig(

      const SdpAudioFormat& audio_format);

  static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs);

  static AudioCodecInfo QueryAudioEncoder(const AudioEncoderOpusConfig& config);

  static std::unique_ptr<AudioEncoder> MakeAudioEncoder(

      const Environment& env,

      const AudioEncoderOpusConfig& config,

      const AudioEncoderFactory::Options& options);

};

}  // namespace webrtc

#endif  // API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_