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_ISAC_AUDIO_DECODER_ISAC_T_H_
12 #define MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_DECODER_ISAC_T_H_
13 
14 #include <vector>
15 
16 #include "absl/types/optional.h"
17 #include "api/audio_codecs/audio_decoder.h"
18 #include "api/scoped_refptr.h"
19 #include "rtc_base/constructor_magic.h"
20 
21 namespace webrtc {
22 
23 template <typename T>
24 class AudioDecoderIsacT final : public AudioDecoder {
25  public:
26   struct Config {
27     bool IsOk() const;
28     int sample_rate_hz = 16000;
29   };
30   explicit AudioDecoderIsacT(const Config& config);
31   virtual ~AudioDecoderIsacT() override;
32 
33   bool HasDecodePlc() const override;
34   size_t DecodePlc(size_t num_frames, int16_t* decoded) override;
35   void Reset() override;
36   int ErrorCode() override;
37   int SampleRateHz() const override;
38   size_t Channels() const override;
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   typename T::instance_type* isac_state_;
47   int sample_rate_hz_;
48 
49   RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderIsacT);
50 };
51 
52 }  // namespace webrtc
53 
54 #endif  // MODULES_AUDIO_CODING_CODECS_ISAC_AUDIO_DECODER_ISAC_T_H_
55