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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 MODULES_AUDIO_CODING_CODECS_OPUS_AUDIO_DECODER_MULTI_CHANNEL_OPUS_IMPL_H_
#define MODULES_AUDIO_CODING_CODECS_OPUS_AUDIO_DECODER_MULTI_CHANNEL_OPUS_IMPL_H_
#include <stddef.h>
#include <memory>
#include <vector>
#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 "modules/audio_coding/codecs/opus/opus_interface.h"
#include "rtc_base/buffer.h"
#include "rtc_base/constructor_magic.h"
namespace webrtc {
class AudioDecoderMultiChannelOpusImpl final : public AudioDecoder {
public:
static std::unique_ptr<AudioDecoderMultiChannelOpusImpl> MakeAudioDecoder(
AudioDecoderMultiChannelOpusConfig config);
~AudioDecoderMultiChannelOpusImpl() override;
std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload,
uint32_t timestamp) override;
void Reset() override;
int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override;
int PacketDurationRedundant(const uint8_t* encoded,
size_t encoded_len) const override;
bool PacketHasFec(const uint8_t* encoded, size_t encoded_len) const override;
int SampleRateHz() const override;
size_t Channels() const override;
static absl::optional<AudioDecoderMultiChannelOpusConfig> SdpToConfig(
const SdpAudioFormat& format);
protected:
int DecodeInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) override;
int DecodeRedundantInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) override;
private:
AudioDecoderMultiChannelOpusImpl(OpusDecInst* dec_state,
AudioDecoderMultiChannelOpusConfig config);
OpusDecInst* dec_state_;
const AudioDecoderMultiChannelOpusConfig config_;
RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderMultiChannelOpusImpl);
};
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_CODECS_OPUS_AUDIO_DECODER_MULTI_CHANNEL_OPUS_IMPL_H_
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