| /* |
| * 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_ |