1 /* 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_ 12 #define API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_ 13 14 #include <memory> 15 #include <vector> 16 17 #include "absl/types/optional.h" 18 #include "api/audio_codecs/audio_codec_pair_id.h" 19 #include "api/audio_codecs/audio_encoder.h" 20 #include "api/audio_codecs/audio_format.h" 21 #include "api/audio_codecs/opus/audio_encoder_opus_config.h" 22 #include "rtc_base/system/rtc_export.h" 23 24 namespace webrtc { 25 26 // Opus encoder API for use as a template parameter to 27 // CreateAudioEncoderFactory<...>(). 28 struct RTC_EXPORT AudioEncoderOpus { 29 using Config = AudioEncoderOpusConfig; 30 static absl::optional<AudioEncoderOpusConfig> SdpToConfig( 31 const SdpAudioFormat& audio_format); 32 static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs); 33 static AudioCodecInfo QueryAudioEncoder(const AudioEncoderOpusConfig& config); 34 static std::unique_ptr<AudioEncoder> MakeAudioEncoder( 35 const AudioEncoderOpusConfig& config, 36 int payload_type, 37 absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt); 38 }; 39 40 } // namespace webrtc 41 42 #endif // API_AUDIO_CODECS_OPUS_AUDIO_ENCODER_OPUS_H_ 43