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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 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_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWORK_
ADAPTOR_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWORK_
ADAPTOR_CONFIG_H_ |
12 #define WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWORK_
ADAPTOR_H_ | 12 #define WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWORK_
ADAPTOR_CONFIG_H_ |
13 | 13 |
14 #include "webrtc/api/audio_codecs/audio_encoder.h" | |
15 #include "webrtc/api/optional.h" | 14 #include "webrtc/api/optional.h" |
16 | 15 |
17 namespace webrtc { | 16 namespace webrtc { |
18 | 17 |
19 struct AudioEncoderRuntimeConfig { | 18 struct AudioEncoderRuntimeConfig { |
20 AudioEncoderRuntimeConfig(); | 19 AudioEncoderRuntimeConfig(); |
21 AudioEncoderRuntimeConfig(const AudioEncoderRuntimeConfig& other); | 20 AudioEncoderRuntimeConfig(const AudioEncoderRuntimeConfig& other); |
22 ~AudioEncoderRuntimeConfig(); | 21 ~AudioEncoderRuntimeConfig(); |
23 rtc::Optional<int> bitrate_bps; | 22 rtc::Optional<int> bitrate_bps; |
24 rtc::Optional<int> frame_length_ms; | 23 rtc::Optional<int> frame_length_ms; |
25 // Note: This is what we tell the encoder. It doesn't have to reflect | 24 // Note: This is what we tell the encoder. It doesn't have to reflect |
26 // the actual NetworkMetrics; it's subject to our decision. | 25 // the actual NetworkMetrics; it's subject to our decision. |
27 rtc::Optional<float> uplink_packet_loss_fraction; | 26 rtc::Optional<float> uplink_packet_loss_fraction; |
28 rtc::Optional<bool> enable_fec; | 27 rtc::Optional<bool> enable_fec; |
29 rtc::Optional<bool> enable_dtx; | 28 rtc::Optional<bool> enable_dtx; |
30 | 29 |
31 // Some encoders can encode fewer channels than the actual input to make | 30 // Some encoders can encode fewer channels than the actual input to make |
32 // better use of the bandwidth. |num_channels| sets the number of channels | 31 // better use of the bandwidth. |num_channels| sets the number of channels |
33 // to encode. | 32 // to encode. |
34 rtc::Optional<size_t> num_channels; | 33 rtc::Optional<size_t> num_channels; |
35 }; | 34 }; |
36 | 35 |
37 // An AudioNetworkAdaptor optimizes the audio experience by suggesting a | |
38 // suitable runtime configuration (bit rate, frame length, FEC, etc.) to the | |
39 // encoder based on network metrics. | |
40 class AudioNetworkAdaptor { | |
41 public: | |
42 virtual ~AudioNetworkAdaptor() = default; | |
43 | |
44 virtual void SetUplinkBandwidth(int uplink_bandwidth_bps) = 0; | |
45 | |
46 virtual void SetUplinkPacketLossFraction( | |
47 float uplink_packet_loss_fraction) = 0; | |
48 | |
49 virtual void SetUplinkRecoverablePacketLossFraction( | |
50 float uplink_recoverable_packet_loss_fraction) = 0; | |
51 | |
52 virtual void SetRtt(int rtt_ms) = 0; | |
53 | |
54 virtual void SetTargetAudioBitrate(int target_audio_bitrate_bps) = 0; | |
55 | |
56 virtual void SetOverhead(size_t overhead_bytes_per_packet) = 0; | |
57 | |
58 virtual AudioEncoderRuntimeConfig GetEncoderRuntimeConfig() = 0; | |
59 | |
60 virtual void StartDebugDump(FILE* file_handle) = 0; | |
61 | |
62 virtual void StopDebugDump() = 0; | |
63 | |
64 virtual ANAStats GetStats() const = 0; | |
65 }; | |
66 | |
67 } // namespace webrtc | 36 } // namespace webrtc |
68 | 37 |
69 #endif // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWO
RK_ADAPTOR_H_ | 38 #endif // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_INCLUDE_AUDIO_NETWO
RK_ADAPTOR_CONFIG_H_ |
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