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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 |
11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
13 | 13 |
14 #include "webrtc/base/constructormagic.h" | 14 #include "webrtc/base/constructormagic.h" |
15 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h" | 15 #include "webrtc/modules/audio_coding/codecs/audio_encoder.h" |
16 #include "webrtc/modules/audio_coding/codecs/ilbc/ilbc.h" | 16 #include "webrtc/modules/audio_coding/codecs/ilbc/ilbc.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 struct CodecInst; | 20 struct CodecInst; |
21 | 21 |
22 class AudioEncoderIlbc final : public AudioEncoder { | 22 class AudioEncoderIlbc final : public AudioEncoder { |
23 public: | 23 public: |
| 24 using AudioEncoder::EncodeInternal; |
| 25 |
24 struct Config { | 26 struct Config { |
25 bool IsOk() const; | 27 bool IsOk() const; |
26 | 28 |
27 int payload_type = 102; | 29 int payload_type = 102; |
28 int frame_size_ms = 30; // Valid values are 20, 30, 40, and 60 ms. | 30 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 | 31 // 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. | 32 // them, and frame size 60 ms consists of two 30 ms frames. |
31 }; | 33 }; |
32 | 34 |
33 explicit AudioEncoderIlbc(const Config& config); | 35 explicit AudioEncoderIlbc(const Config& config); |
34 explicit AudioEncoderIlbc(const CodecInst& codec_inst); | 36 explicit AudioEncoderIlbc(const CodecInst& codec_inst); |
35 ~AudioEncoderIlbc() override; | 37 ~AudioEncoderIlbc() override; |
36 | 38 |
37 size_t MaxEncodedBytes() const override; | 39 size_t MaxEncodedBytes() const override; |
38 int SampleRateHz() const override; | 40 int SampleRateHz() const override; |
39 size_t NumChannels() const override; | 41 size_t NumChannels() const override; |
40 size_t Num10MsFramesInNextPacket() const override; | 42 size_t Num10MsFramesInNextPacket() const override; |
41 size_t Max10MsFramesInAPacket() const override; | 43 size_t Max10MsFramesInAPacket() const override; |
42 int GetTargetBitrate() const override; | 44 int GetTargetBitrate() const override; |
43 EncodedInfo EncodeInternal(uint32_t rtp_timestamp, | 45 EncodedInfo EncodeInternal(uint32_t rtp_timestamp, |
44 rtc::ArrayView<const int16_t> audio, | 46 rtc::ArrayView<const int16_t> audio, |
45 size_t max_encoded_bytes, | 47 rtc::Buffer* encoded) override; |
46 uint8_t* encoded) override; | |
47 void Reset() override; | 48 void Reset() override; |
48 | 49 |
49 private: | 50 private: |
50 size_t RequiredOutputSizeBytes() const; | 51 size_t RequiredOutputSizeBytes() const; |
51 | 52 |
52 static const size_t kMaxSamplesPerPacket = 480; | 53 static const size_t kMaxSamplesPerPacket = 480; |
53 const Config config_; | 54 const Config config_; |
54 const size_t num_10ms_frames_per_packet_; | 55 const size_t num_10ms_frames_per_packet_; |
55 size_t num_10ms_frames_buffered_; | 56 size_t num_10ms_frames_buffered_; |
56 uint32_t first_timestamp_in_buffer_; | 57 uint32_t first_timestamp_in_buffer_; |
57 int16_t input_buffer_[kMaxSamplesPerPacket]; | 58 int16_t input_buffer_[kMaxSamplesPerPacket]; |
58 IlbcEncoderInstance* encoder_; | 59 IlbcEncoderInstance* encoder_; |
59 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderIlbc); | 60 RTC_DISALLOW_COPY_AND_ASSIGN(AudioEncoderIlbc); |
60 }; | 61 }; |
61 | 62 |
62 } // namespace webrtc | 63 } // namespace webrtc |
63 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ | 64 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_AUDIO_ENCODER_ILBC_H_ |
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