| /* |
| * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_API_AUDIO_CODECS_G711_AUDIO_ENCODER_G711_H_ |
| #define WEBRTC_API_AUDIO_CODECS_G711_AUDIO_ENCODER_G711_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "webrtc/api/audio_codecs/audio_encoder.h" |
| #include "webrtc/api/audio_codecs/audio_format.h" |
| #include "webrtc/api/optional.h" |
| |
| namespace webrtc { |
| |
| // G711 encoder API for use as a template parameter to |
| // CreateAudioEncoderFactory<...>(). |
| // |
| // NOTE: This struct is still under development and may change without notice. |
| struct AudioEncoderG711 { |
| struct Config { |
| enum class Type { kPcmU, kPcmA }; |
| bool IsOk() const { |
| return (type == Type::kPcmU || type == Type::kPcmA) && |
| frame_size_ms > 0 && frame_size_ms % 10 == 0 && num_channels >= 1; |
| } |
| Type type = Type::kPcmU; |
| int num_channels = 1; |
| int frame_size_ms = 20; |
| }; |
| static rtc::Optional<AudioEncoderG711::Config> SdpToConfig( |
| const SdpAudioFormat& audio_format); |
| static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs); |
| static AudioCodecInfo QueryAudioEncoder(const Config& config); |
| static std::unique_ptr<AudioEncoder> MakeAudioEncoder(const Config& config, |
| int payload_type); |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_API_AUDIO_CODECS_G711_AUDIO_ENCODER_G711_H_ |