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 #include "api/audio_codecs/builtin_audio_decoder_factory.h" 12 13 #include <memory> 14 #include <vector> 15 16 #include "api/audio_codecs/L16/audio_decoder_L16.h" 17 #include "api/audio_codecs/audio_decoder_factory_template.h" 18 #include "api/audio_codecs/g711/audio_decoder_g711.h" 19 #include "api/audio_codecs/g722/audio_decoder_g722.h" 20 #if WEBRTC_USE_BUILTIN_ILBC 21 #include "api/audio_codecs/ilbc/audio_decoder_ilbc.h" // nogncheck 22 #endif 23 #include "api/audio_codecs/isac/audio_decoder_isac.h" 24 #if WEBRTC_USE_BUILTIN_OPUS 25 #include "api/audio_codecs/opus/audio_decoder_multi_channel_opus.h" 26 #include "api/audio_codecs/opus/audio_decoder_opus.h" // nogncheck 27 #endif 28 29 namespace webrtc { 30 31 namespace { 32 33 // Modify an audio decoder to not advertise support for anything. 34 template <typename T> 35 struct NotAdvertised { 36 using Config = typename T::Config; SdpToConfigwebrtc::__anon86cc60d00111::NotAdvertised37 static absl::optional<Config> SdpToConfig( 38 const SdpAudioFormat& audio_format) { 39 return T::SdpToConfig(audio_format); 40 } AppendSupportedDecoderswebrtc::__anon86cc60d00111::NotAdvertised41 static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs) { 42 // Don't advertise support for anything. 43 } MakeAudioDecoderwebrtc::__anon86cc60d00111::NotAdvertised44 static std::unique_ptr<AudioDecoder> MakeAudioDecoder( 45 const Config& config, 46 absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt) { 47 return T::MakeAudioDecoder(config, codec_pair_id); 48 } 49 }; 50 51 } // namespace 52 CreateBuiltinAudioDecoderFactory()53rtc::scoped_refptr<AudioDecoderFactory> CreateBuiltinAudioDecoderFactory() { 54 return CreateAudioDecoderFactory< 55 56 #if WEBRTC_USE_BUILTIN_OPUS 57 AudioDecoderOpus, NotAdvertised<AudioDecoderMultiChannelOpus>, 58 #endif 59 60 AudioDecoderIsac, AudioDecoderG722, 61 62 #if WEBRTC_USE_BUILTIN_ILBC 63 AudioDecoderIlbc, 64 #endif 65 66 AudioDecoderG711, NotAdvertised<AudioDecoderL16>>(); 67 } 68 69 } // namespace webrtc 70