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1 /* | 1 /* |
2 * Copyright (c) 2017 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_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ | 11 #ifndef WEBRTC_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ |
12 #define WEBRTC_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ | 12 #define WEBRTC_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ |
13 | 13 |
14 #include <memory> | 14 #include <memory> |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "webrtc/api/audio_codecs/audio_encoder.h" | 17 #include "webrtc/api/audio_codecs/audio_encoder.h" |
18 #include "webrtc/api/audio_codecs/audio_format.h" | 18 #include "webrtc/api/audio_codecs/audio_format.h" |
19 #include "webrtc/rtc_base/optional.h" | 19 #include "webrtc/api/optional.h" |
20 | 20 |
21 namespace webrtc { | 21 namespace webrtc { |
22 | 22 |
23 // L16 encoder API for use as a template parameter to | 23 // L16 encoder API for use as a template parameter to |
24 // CreateAudioEncoderFactory<...>(). | 24 // CreateAudioEncoderFactory<...>(). |
25 // | 25 // |
26 // NOTE: This struct is still under development and may change without notice. | 26 // NOTE: This struct is still under development and may change without notice. |
27 struct AudioEncoderL16 { | 27 struct AudioEncoderL16 { |
28 struct Config { | 28 struct Config { |
29 bool IsOk() const { | 29 bool IsOk() const { |
30 return (sample_rate_hz == 8000 || sample_rate_hz == 16000 || | 30 return (sample_rate_hz == 8000 || sample_rate_hz == 16000 || |
31 sample_rate_hz == 32000 || sample_rate_hz == 48000) && | 31 sample_rate_hz == 32000 || sample_rate_hz == 48000) && |
32 num_channels >= 1 && frame_size_ms > 0 && frame_size_ms <= 120 && | 32 num_channels >= 1 && frame_size_ms > 0 && frame_size_ms <= 120 && |
33 frame_size_ms % 10 == 0; | 33 frame_size_ms % 10 == 0; |
34 } | 34 } |
35 int sample_rate_hz = 8000; | 35 int sample_rate_hz = 8000; |
36 int num_channels = 1; | 36 int num_channels = 1; |
37 int frame_size_ms = 10; | 37 int frame_size_ms = 10; |
38 }; | 38 }; |
39 static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format); | 39 static rtc::Optional<Config> SdpToConfig(const SdpAudioFormat& audio_format); |
40 static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs); | 40 static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs); |
41 static AudioCodecInfo QueryAudioEncoder(const Config& config); | 41 static AudioCodecInfo QueryAudioEncoder(const Config& config); |
42 static std::unique_ptr<AudioEncoder> MakeAudioEncoder(const Config& config, | 42 static std::unique_ptr<AudioEncoder> MakeAudioEncoder(const Config& config, |
43 int payload_type); | 43 int payload_type); |
44 }; | 44 }; |
45 | 45 |
46 } // namespace webrtc | 46 } // namespace webrtc |
47 | 47 |
48 #endif // WEBRTC_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ | 48 #endif // WEBRTC_API_AUDIO_CODECS_L16_AUDIO_ENCODER_L16_H_ |
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