blob: 7fdc3591b309c6ce1638cb6b05fc2ab7d74988e0 [file] [log] [blame]
/*
* Copyright (c) 2015 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 WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_
#include "webrtc/base/checks.h"
#include "webrtc/base/constructormagic.h"
#include "webrtc/modules/audio_coding/codecs/audio_decoder.h"
namespace webrtc {
class AudioDecoderPcmU final : public AudioDecoder {
public:
explicit AudioDecoderPcmU(size_t num_channels) : num_channels_(num_channels) {
RTC_DCHECK_GE(num_channels, 1u);
}
void Reset() override;
int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override;
int SampleRateHz() const override;
size_t Channels() const override;
protected:
int DecodeInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) override;
private:
const size_t num_channels_;
RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmU);
};
class AudioDecoderPcmA final : public AudioDecoder {
public:
explicit AudioDecoderPcmA(size_t num_channels) : num_channels_(num_channels) {
RTC_DCHECK_GE(num_channels, 1u);
}
void Reset() override;
int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override;
int SampleRateHz() const override;
size_t Channels() const override;
protected:
int DecodeInternal(const uint8_t* encoded,
size_t encoded_len,
int sample_rate_hz,
int16_t* decoded,
SpeechType* speech_type) override;
private:
const size_t num_channels_;
RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmA);
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_