1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_AUDIO_CODING_CODECS_PCM16B_AUDIO_DECODER_PCM16B_H_ 12 #define MODULES_AUDIO_CODING_CODECS_PCM16B_AUDIO_DECODER_PCM16B_H_ 13 14 #include <stddef.h> 15 #include <stdint.h> 16 17 #include <vector> 18 19 #include "api/audio_codecs/audio_decoder.h" 20 #include "rtc_base/buffer.h" 21 #include "rtc_base/constructor_magic.h" 22 23 namespace webrtc { 24 25 class AudioDecoderPcm16B final : public AudioDecoder { 26 public: 27 AudioDecoderPcm16B(int sample_rate_hz, size_t num_channels); 28 void Reset() override; 29 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, 30 uint32_t timestamp) override; 31 int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; 32 int SampleRateHz() const override; 33 size_t Channels() const override; 34 35 protected: 36 int DecodeInternal(const uint8_t* encoded, 37 size_t encoded_len, 38 int sample_rate_hz, 39 int16_t* decoded, 40 SpeechType* speech_type) override; 41 42 private: 43 const int sample_rate_hz_; 44 const size_t num_channels_; 45 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcm16B); 46 }; 47 48 } // namespace webrtc 49 50 #endif // MODULES_AUDIO_CODING_CODECS_PCM16B_AUDIO_DECODER_PCM16B_H_ 51