WebRTC framework の中身がわからなくて近付くのが怖かったけど、少しだけわかりあえた話
ϛϥςΟϒͱWebRTCWebRTC framework ͷதΛ͍ͯΈΑ͏Naruki Chigira@_naru_jpn / Lib arXiv / ໌ϫΫνϯ2ճ
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WebRTC framework
https://webrtc.org
WebRTC ϛϥςΟϒͷͲ͜ͰΘΕ͍ͯΔͷ͔
ίϥϘ௨৴ऀ ࢹௌऀࢹௌऀͱձΛ͠ͳ͕Β৴͕Ͱ͖ΔΑ
ίϥϘ৴৴ऀ A ৴ऀ B৴ऀಉ࢜ͰձΛ͠ͳ͕Β৴͕Ͱ͖ΔΑ
NEW! ίϥϘϚονϯά৴ऀ A ৴ऀ Bಉ͡ήʔϜͰ৴͍ͯ͠Δਓಉ࢜ͰϚονϯά͢ΔʢҰ෦ެ։
։ൃ͢ΔதͰͪΐͬͱࠔͬͨ͜ͱ͕͋ͬͨ
৴ऀ ࢹௌऀWebRTC ͷଓ࣌ʹΞϓϦ͕όοΫάϥϯυঢ়ଶʹ͋ΔͱɺԻͷೖग़ྗ͕Ͱ͖ͳ͘ͳͬͯ͠·͏ϛϥςΟϒΞϓϦόοΫάϥϯυͰىಈத
όοΫάϥϯυͰଓػঢ়ଶΛΩϟϯηϧ͢ΔͳͲͯ͠ɺ੍ޚͰ͖ͨ
ػೳ্੍ޚͰ͖͍ͯΔ͚ͲɺͲ͏ͯͦ͠͏ͳ͍ͬͯΔͷ͔ཧղͰ͖͍ͯͳ͍ͷͰ৮Δͷ͕ා͍!
WebRTC framework ͷதΛ͍ͯΈΑ͏!
https://webrtc.googlesource.com/src/
https://webrtc.googlesource.com/src/+/refs/heads/main
Իͷ੍ޚΛ͍ͯ͠Δͱ͜ΖΛ͍ͯΈΑ͏!
https://webrtc.googlesource.com/src/+/refs/heads/main/sdk/objc/This directory contains the Obj-C SDK for WebRTC. This includes wrappers for the C++PeerConnection API and some platform specific components for iOS and macOS.
https://webrtc.googlesource.com/src/+/refs/heads/main/sdk/objc/native/src/audio/.mm ͍ͬͯ͏ͷ Objective-C++ Λද֦͢ுࢠͩΑ
https://webrtc.googlesource.com/src/+/refs/heads/main/sdk/objc/native/src/audio/voice_processing_audio_unit.mmAudioOutputUnitStart ΛݺͿͱԻͷೖग़ྗॲཧ͕͡·ΔΑvoice_processing_audio_unit.mm
https://developer.apple.com/documentation/audiotoolbox/1439763-audiooutputunitstartAudioOutputUnitStart ΛݺͿͱԻͷೖग़ྗॲཧ͕͡·ΔΑ
AudioOutputUnitStart ͷৼΔ͍ΛௐͯΈΑ͏
https://stackoverflow.com/questions/61312360/auaudiounit-cant-play-audio-in-the-background-error-code-561145187
https://developer.apple.com/documentation/avfaudio/avaudiosession/errorcode/cannotstartrecording
AudioOutputUnitStart ͕όοΫάϥϯυͰࣦഊ͢ΔͷɺOSͷ༷తʹͦ͏ͳ͍ͬͯΔΒ͍͠!
AudioOutputUnitStart ͕͍ͭݺΕ͍ͯΔͷ͔֬ೝ͓ͯ͜͠͏
https://webrtc.googlesource.com/src/+/refs/heads/main/audio/audio_state.ccWebRTC ͷଓཱ͕֬ͨ͠ޙʹ AddReceivingStream ͕ݺΕɺ StartPlayout ͷதͰ AudioOutputUnitStart ͕ݺΕΔ
ΞϓϦ͕όοΫάϥϯυঢ়ଶͩͱɺԻͷೖग़ྗॲཧͷ։࢝ʹࣦഊͯ͠͠·͏͜ͱ͕ཧղͰ͖ͨ!
·ͱΊόοΫάϥϯυͰԻͷΓͱΓ͕Ͱ͖ͳ͘ͳΔݱ͕ɺίʔυϨϕϧͰཧղͰ͖ΔΑ͏ʹͳͬͨɾݪҼ͕Θ͔ͬͯɺͳͥͳͷ͔Λઆ໌Ͱ͖ΔΑ͏ʹͳͬͨɾWebRTC framework ͱগ͚ͩ͠ྑ͘ͳΕͨ
͋Γ͕ͱ͏͍͟͝·ͨ͠!WE ARE HIRING! ੵۃ࠾༻தͩΑ!