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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ |
13 | 13 |
14 #include "webrtc/base/checks.h" | 14 #include "webrtc/base/checks.h" |
15 #include "webrtc/base/constructormagic.h" | 15 #include "webrtc/base/constructormagic.h" |
16 #include "webrtc/modules/audio_coding/codecs/audio_decoder.h" | 16 #include "webrtc/modules/audio_coding/codecs/audio_decoder.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 class AudioDecoderPcmU final : public AudioDecoder { | 20 class AudioDecoderPcmU final : public AudioDecoder { |
21 public: | 21 public: |
22 explicit AudioDecoderPcmU(size_t num_channels) : num_channels_(num_channels) { | 22 explicit AudioDecoderPcmU(size_t num_channels) : num_channels_(num_channels) { |
23 RTC_DCHECK_GE(num_channels, 1u); | 23 RTC_DCHECK_GE(num_channels, 1); |
24 } | 24 } |
25 void Reset() override; | 25 void Reset() override; |
26 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, | 26 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, |
27 uint32_t timestamp) override; | 27 uint32_t timestamp) override; |
28 int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; | 28 int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; |
29 int SampleRateHz() const override; | 29 int SampleRateHz() const override; |
30 size_t Channels() const override; | 30 size_t Channels() const override; |
31 | 31 |
32 protected: | 32 protected: |
33 int DecodeInternal(const uint8_t* encoded, | 33 int DecodeInternal(const uint8_t* encoded, |
34 size_t encoded_len, | 34 size_t encoded_len, |
35 int sample_rate_hz, | 35 int sample_rate_hz, |
36 int16_t* decoded, | 36 int16_t* decoded, |
37 SpeechType* speech_type) override; | 37 SpeechType* speech_type) override; |
38 | 38 |
39 private: | 39 private: |
40 const size_t num_channels_; | 40 const size_t num_channels_; |
41 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmU); | 41 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmU); |
42 }; | 42 }; |
43 | 43 |
44 class AudioDecoderPcmA final : public AudioDecoder { | 44 class AudioDecoderPcmA final : public AudioDecoder { |
45 public: | 45 public: |
46 explicit AudioDecoderPcmA(size_t num_channels) : num_channels_(num_channels) { | 46 explicit AudioDecoderPcmA(size_t num_channels) : num_channels_(num_channels) { |
47 RTC_DCHECK_GE(num_channels, 1u); | 47 RTC_DCHECK_GE(num_channels, 1); |
48 } | 48 } |
49 void Reset() override; | 49 void Reset() override; |
50 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, | 50 std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload, |
51 uint32_t timestamp) override; | 51 uint32_t timestamp) override; |
52 int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; | 52 int PacketDuration(const uint8_t* encoded, size_t encoded_len) const override; |
53 int SampleRateHz() const override; | 53 int SampleRateHz() const override; |
54 size_t Channels() const override; | 54 size_t Channels() const override; |
55 | 55 |
56 protected: | 56 protected: |
57 int DecodeInternal(const uint8_t* encoded, | 57 int DecodeInternal(const uint8_t* encoded, |
58 size_t encoded_len, | 58 size_t encoded_len, |
59 int sample_rate_hz, | 59 int sample_rate_hz, |
60 int16_t* decoded, | 60 int16_t* decoded, |
61 SpeechType* speech_type) override; | 61 SpeechType* speech_type) override; |
62 | 62 |
63 private: | 63 private: |
64 const size_t num_channels_; | 64 const size_t num_channels_; |
65 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmA); | 65 RTC_DISALLOW_COPY_AND_ASSIGN(AudioDecoderPcmA); |
66 }; | 66 }; |
67 | 67 |
68 } // namespace webrtc | 68 } // namespace webrtc |
69 | 69 |
70 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ | 70 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G711_AUDIO_DECODER_PCM_H_ |
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