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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 |
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28 | 28 |
29 int payload_type = 9; | 29 int payload_type = 9; |
30 int frame_size_ms = 20; | 30 int frame_size_ms = 20; |
31 size_t num_channels = 1; | 31 size_t num_channels = 1; |
32 }; | 32 }; |
33 | 33 |
34 explicit AudioEncoderG722(const Config& config); | 34 explicit AudioEncoderG722(const Config& config); |
35 explicit AudioEncoderG722(const CodecInst& codec_inst); | 35 explicit AudioEncoderG722(const CodecInst& codec_inst); |
36 ~AudioEncoderG722() override; | 36 ~AudioEncoderG722() override; |
37 | 37 |
38 size_t MaxEncodedBytes() const override; | |
39 int SampleRateHz() const override; | 38 int SampleRateHz() const override; |
40 size_t NumChannels() const override; | 39 size_t NumChannels() const override; |
41 int RtpTimestampRateHz() const override; | 40 int RtpTimestampRateHz() const override; |
42 size_t Num10MsFramesInNextPacket() const override; | 41 size_t Num10MsFramesInNextPacket() const override; |
43 size_t Max10MsFramesInAPacket() const override; | 42 size_t Max10MsFramesInAPacket() const override; |
44 int GetTargetBitrate() const override; | 43 int GetTargetBitrate() const override; |
45 void Reset() override; | 44 void Reset() override; |
46 | 45 |
47 protected: | 46 protected: |
48 EncodedInfo EncodeImpl(uint32_t rtp_timestamp, | 47 EncodedInfo EncodeImpl(uint32_t rtp_timestamp, |
49 rtc::ArrayView<const int16_t> audio, | 48 rtc::ArrayView<const int16_t> audio, |
50 rtc::Buffer* encoded) override; | 49 rtc::Buffer* encoded) override; |
51 | 50 |
52 private: | 51 private: |
53 // The encoder state for one channel. | 52 // The encoder state for one channel. |
54 struct EncoderState { | 53 struct EncoderState { |
55 G722EncInst* encoder; | 54 G722EncInst* encoder; |
56 std::unique_ptr<int16_t[]> speech_buffer; // Queued up for encoding. | 55 std::unique_ptr<int16_t[]> speech_buffer; // Queued up for encoding. |
57 rtc::Buffer encoded_buffer; // Already encoded. | 56 rtc::Buffer encoded_buffer; // Already encoded. |
58 EncoderState(); | 57 EncoderState(); |
59 ~EncoderState(); | 58 ~EncoderState(); |
60 }; | 59 }; |
61 | 60 |
62 size_t SamplesPerChannel() const; | 61 size_t SamplesPerChannel() const; |
63 | 62 |
64 const size_t num_channels_; | 63 const size_t num_channels_; |
65 const int payload_type_; | 64 const int payload_type_; |
66 const size_t num_10ms_frames_per_packet_; | 65 const size_t num_10ms_frames_per_packet_; |
67 size_t num_10ms_frames_buffered_; | 66 size_t num_10ms_frames_buffered_; |
68 uint32_t first_timestamp_in_buffer_; | 67 uint32_t first_timestamp_in_buffer_; |
69 const std::unique_ptr<EncoderState[]> encoders_; | 68 const std::unique_ptr<EncoderState[]> encoders_; |
70 rtc::Buffer interleave_buffer_; | 69 rtc::Buffer interleave_buffer_; |
71 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderG722); | 70 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderG722); |
72 }; | 71 }; |
73 | 72 |
74 } // namespace webrtc | 73 } // namespace webrtc |
75 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G722_AUDIO_ENCODER_G722_H_ | 74 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_G722_AUDIO_ENCODER_G722_H_ |
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