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_ILBC_AUDIO_DECODER_ILBC_H_ 12 #define MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_DECODER_ILBC_H_ 13 14 #include <stddef.h> 15 #include <stdint.h> 16 #include <vector> 17 18 #include "api/audio_codecs/audio_decoder.h" 19 #include "rtc_base/buffer.h" 20 #include "rtc_base/constructor_magic.h" 21 22 typedef struct iLBC_decinst_t_ IlbcDecoderInstance; 23 24 namespace webrtc { 25 26 class AudioDecoderIlbcImpl final : public AudioDecoder { 27 public: 28 AudioDecoderIlbcImpl(); 29 ~AudioDecoderIlbcImpl() override; 30 bool HasDecodePlc() const override; 31 size_t DecodePlc(size_t num_frames, int16_t* decoded) override; 32 void Reset() override; 33 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, 34 uint32_t timestamp) override; 35 int SampleRateHz() const override; 36 size_t Channels() const override; 37 38 protected: 39 int DecodeInternal(const uint8_t* encoded, 40 size_t encoded_len, 41 int sample_rate_hz, 42 int16_t* decoded, 43 SpeechType* speech_type) override; 44 45 private: 46 IlbcDecoderInstance* dec_state_; 47 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderIlbcImpl); 48 }; 49 50 } // namespace webrtc 51 #endif // MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_DECODER_ILBC_H_ 52