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