| /* |
| * Copyright (c) 2019 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. |
| */ |
| |
| #include "api/audio_codecs/opus_audio_encoder_factory.h" |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "api/audio_codecs/audio_encoder_factory_template.h" |
| #include "api/audio_codecs/opus/audio_encoder_multi_channel_opus.h" |
| #include "api/audio_codecs/opus/audio_encoder_opus.h" |
| |
| namespace webrtc { |
| namespace { |
| |
| // Modify an audio encoder to not advertise support for anything. |
| template <typename T> |
| struct NotAdvertised { |
| using Config = typename T::Config; |
| static absl::optional<Config> SdpToConfig( |
| const SdpAudioFormat& audio_format) { |
| return T::SdpToConfig(audio_format); |
| } |
| static void AppendSupportedEncoders(std::vector<AudioCodecSpec>* specs) { |
| // Don't advertise support for anything. |
| } |
| static AudioCodecInfo QueryAudioEncoder(const Config& config) { |
| return T::QueryAudioEncoder(config); |
| } |
| static std::unique_ptr<AudioEncoder> MakeAudioEncoder( |
| const Config& config, |
| int payload_type, |
| absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt, |
| const FieldTrialsView* field_trials = nullptr) { |
| return T::MakeAudioEncoder(config, payload_type, codec_pair_id, |
| field_trials); |
| } |
| }; |
| |
| } // namespace |
| |
| rtc::scoped_refptr<AudioEncoderFactory> CreateOpusAudioEncoderFactory() { |
| return CreateAudioEncoderFactory< |
| AudioEncoderOpus, NotAdvertised<AudioEncoderMultiChannelOpus>>(); |
| } |
| |
| } // namespace webrtc |