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