audio_decoder_multi_channel_opus.h

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/*

 *  Copyright (c) 2019 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_DECODER_MULTI_CHANNEL_OPUS_H_

#define API_AUDIO_CODECS_OPUS_AUDIO_DECODER_MULTI_CHANNEL_OPUS_H_

#include <memory>

#include <optional>

#include <vector>

#include "api/audio_codecs/audio_codec_pair_id.h"

#include "api/audio_codecs/audio_decoder.h"

#include "api/audio_codecs/audio_format.h"

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

#include "api/field_trials_view.h"

#include "rtc_base/system/rtc_export.h"

namespace webrtc {

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

// CreateAudioDecoderFactory<...>().

struct RTC_EXPORT AudioDecoderMultiChannelOpus {

  using Config = AudioDecoderMultiChannelOpusConfig;

  static std::optional<AudioDecoderMultiChannelOpusConfig> SdpToConfig(

      const SdpAudioFormat& audio_format);

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

  static std::unique_ptr<AudioDecoder> MakeAudioDecoder(

      AudioDecoderMultiChannelOpusConfig config,

      std::optional<AudioCodecPairId> codec_pair_id = std::nullopt,

      const FieldTrialsView* field_trials = nullptr);

};

}  // namespace webrtc

#endif  // API_AUDIO_CODECS_OPUS_AUDIO_DECODER_MULTI_CHANNEL_OPUS_H_