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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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27 int payload_type = 102; | 27 int payload_type = 102; |
28 int frame_size_ms = 30; // Valid values are 20, 30, 40, and 60 ms. | 28 int frame_size_ms = 30; // Valid values are 20, 30, 40, and 60 ms. |
29 // Note that frame size 40 ms produces encodings with two 20 ms frames in | 29 // Note that frame size 40 ms produces encodings with two 20 ms frames in |
30 // them, and frame size 60 ms consists of two 30 ms frames. | 30 // them, and frame size 60 ms consists of two 30 ms frames. |
31 }; | 31 }; |
32 | 32 |
33 explicit AudioEncoderIlbc(const Config& config); | 33 explicit AudioEncoderIlbc(const Config& config); |
34 explicit AudioEncoderIlbc(const CodecInst& codec_inst); | 34 explicit AudioEncoderIlbc(const CodecInst& codec_inst); |
35 ~AudioEncoderIlbc() override; | 35 ~AudioEncoderIlbc() override; |
36 | 36 |
37 size_t MaxEncodedBytes() const override; | |
38 int SampleRateHz() const override; | 37 int SampleRateHz() const override; |
39 size_t NumChannels() const override; | 38 size_t NumChannels() const override; |
40 size_t Num10MsFramesInNextPacket() const override; | 39 size_t Num10MsFramesInNextPacket() const override; |
41 size_t Max10MsFramesInAPacket() const override; | 40 size_t Max10MsFramesInAPacket() const override; |
42 int GetTargetBitrate() const override; | 41 int GetTargetBitrate() const override; |
43 EncodedInfo EncodeImpl(uint32_t rtp_timestamp, | 42 EncodedInfo EncodeImpl(uint32_t rtp_timestamp, |
44 rtc::ArrayView<const int16_t> audio, | 43 rtc::ArrayView<const int16_t> audio, |
45 rtc::Buffer* encoded) override; | 44 rtc::Buffer* encoded) override; |
46 void Reset() override; | 45 void Reset() override; |
47 | 46 |
48 private: | 47 private: |
49 size_t RequiredOutputSizeBytes() const; | 48 size_t RequiredOutputSizeBytes() const; |
50 | 49 |
51 static const size_t kMaxSamplesPerPacket = 480; | 50 static const size_t kMaxSamplesPerPacket = 480; |
52 const Config config_; | 51 const Config config_; |
53 const size_t num_10ms_frames_per_packet_; | 52 const size_t num_10ms_frames_per_packet_; |
54 size_t num_10ms_frames_buffered_; | 53 size_t num_10ms_frames_buffered_; |
55 uint32_t first_timestamp_in_buffer_; | 54 uint32_t first_timestamp_in_buffer_; |
56 int16_t input_buffer_[kMaxSamplesPerPacket]; | 55 int16_t input_buffer_[kMaxSamplesPerPacket]; |
57 IlbcEncoderInstance* encoder_; | 56 IlbcEncoderInstance* encoder_; |
58 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderIlbc); | 57 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderIlbc); |
59 }; | 58 }; |
60 | 59 |
61 } // namespace webrtc | 60 } // namespace webrtc |
62 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ | 61 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
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