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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_INTERFACE_AUDIO_ENCODER_ILBC_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_H_ |
13 | 13 |
14 #include "webrtc/base/scoped_ptr.h" | 14 #include "webrtc/base/scoped_ptr.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/audio_encoder_mutable_impl.h" | |
17 #include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h" | 16 #include "webrtc/modules/audio_coding/codecs/ilbc/interface/ilbc.h" |
18 | 17 |
19 namespace webrtc { | 18 namespace webrtc { |
20 | 19 |
| 20 struct CodecInst; |
| 21 |
21 class AudioEncoderIlbc final : public AudioEncoder { | 22 class AudioEncoderIlbc final : public AudioEncoder { |
22 public: | 23 public: |
23 struct Config { | 24 struct Config { |
24 Config() : payload_type(102), frame_size_ms(30) {} | |
25 bool IsOk() const; | 25 bool IsOk() const; |
26 | 26 |
27 int payload_type; | 27 int payload_type = 102; |
28 int frame_size_ms; // 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 ~AudioEncoderIlbc() override; | 35 ~AudioEncoderIlbc() override; |
35 | 36 |
| 37 size_t MaxEncodedBytes() const override; |
36 int SampleRateHz() const override; | 38 int SampleRateHz() const override; |
37 int NumChannels() const override; | 39 int NumChannels() const override; |
38 size_t MaxEncodedBytes() const override; | |
39 size_t Num10MsFramesInNextPacket() const override; | 40 size_t Num10MsFramesInNextPacket() const override; |
40 size_t Max10MsFramesInAPacket() const override; | 41 size_t Max10MsFramesInAPacket() const override; |
41 int GetTargetBitrate() const override; | 42 int GetTargetBitrate() const override; |
42 EncodedInfo EncodeInternal(uint32_t rtp_timestamp, | 43 EncodedInfo EncodeInternal(uint32_t rtp_timestamp, |
43 const int16_t* audio, | 44 const int16_t* audio, |
44 size_t max_encoded_bytes, | 45 size_t max_encoded_bytes, |
45 uint8_t* encoded) override; | 46 uint8_t* encoded) override; |
| 47 void Reset() override; |
46 | 48 |
47 private: | 49 private: |
48 size_t RequiredOutputSizeBytes() const; | 50 size_t RequiredOutputSizeBytes() const; |
49 | 51 |
50 static const size_t kMaxSamplesPerPacket = 480; | 52 static const size_t kMaxSamplesPerPacket = 480; |
51 const int payload_type_; | 53 const Config config_; |
52 const size_t num_10ms_frames_per_packet_; | 54 const size_t num_10ms_frames_per_packet_; |
53 size_t num_10ms_frames_buffered_; | 55 size_t num_10ms_frames_buffered_; |
54 uint32_t first_timestamp_in_buffer_; | 56 uint32_t first_timestamp_in_buffer_; |
55 int16_t input_buffer_[kMaxSamplesPerPacket]; | 57 int16_t input_buffer_[kMaxSamplesPerPacket]; |
56 IlbcEncoderInstance* encoder_; | 58 IlbcEncoderInstance* encoder_; |
57 }; | 59 }; |
58 | 60 |
59 struct CodecInst; | |
60 | |
61 class AudioEncoderMutableIlbc | |
62 : public AudioEncoderMutableImpl<AudioEncoderIlbc> { | |
63 public: | |
64 explicit AudioEncoderMutableIlbc(const CodecInst& codec_inst); | |
65 }; | |
66 | |
67 } // namespace webrtc | 61 } // namespace webrtc |
68 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_
H_ | 62 #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ILBC_INTERFACE_AUDIO_ENCODER_ILBC_
H_ |
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