Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
たのしいAirPlay
Search
toshi0383
March 27, 2019
Programming
1
600
たのしいAirPlay
Streaming Conference #6 での発表資料です。
https://streaming-lab.connpass.com/event/121623/
toshi0383
March 27, 2019
Tweet
Share
More Decks by toshi0383
See All by toshi0383
Sheets API使ってみた
toshi0383
2
180
visionOSについてGlobeeが取り組んでいること
toshi0383
0
330
agile20150512-150512055145-lva1-app6892.pdf
toshi0383
0
90
Profiling using Signpost
toshi0383
2
820
AVPlayer周りの設計tips
toshi0383
6
780
cmdshelf::from("Swift")
toshi0383
3
780
AbemaTV iOSのダウンロード再生機能
toshi0383
4
920
tvOSのリスト系のインデックスラベルを自作してみる
toshi0383
0
540
xcconfig pitfalls
toshi0383
0
1.3k
Other Decks in Programming
See All in Programming
RailsConf 2024: Riffing on Rails: sketch your way to better designed code
kaspth
1
220
otelcol receiver 自作RTA / Pepabo Tech Conference #22 春のSREまつり
arthur1
0
1.1k
PHPコードの実行モデルを理解する / Understanding-the-PHP-Execution-Model
shin1x1
0
1.1k
GitHub Actionsの痒いところを埋めるサードパーティーランナー
dora1998
2
280
Unlocking Potential of Property Based Testing with Ractor
ohbarye
2
140
Amazon Aurora Serverless v2が意外と高かった話と、AWS Database Migration Serviceの話
satoshi256kbyte
1
110
教えて!スクラムコーチ品質とスピードのバランスはどうすりゃいいの?
pinboro
0
150
Next.js App Router
quramy
14
2.3k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
1
130
欠陥を早期に発見するための Software Engineer in Test とその重要性 / What is Software Engineer in Test and How they works
orgachem
PRO
18
2.5k
株式会社ゼネテック
genetec
0
130
Effectで作る堅牢でスケーラブルなAPIゲートウェイ / Robust and Scalable API Gateway Built on Effect
yasaichi
7
1.2k
Featured
See All Featured
How to Ace a Technical Interview
jacobian
273
22k
Optimising Largest Contentful Paint
csswizardry
13
2.4k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
221
21k
Why Our Code Smells
bkeepers
PRO
331
56k
Done Done
chrislema
178
15k
Atom: Resistance is Futile
akmur
260
25k
Rails Girls Zürich Keynote
gr2m
91
13k
Fantastic passwords and where to find them - at NoRuKo
philnash
39
2.5k
No one is an island. Learnings from fostering a developers community.
thoeni
16
2.1k
The Cost Of JavaScript in 2023
addyosmani
21
4k
A designer walks into a library…
pauljervisheath
201
23k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
226
51k
Transcript
ͨͷ͍͠AirPlay 2019/03/27 Toshihiro Suzuki
ετϦʔϛϯάΫϥΠΞϯτ
• ΞδΣϯμ • جຊฤ • Ԡ༻ฤ(͓·͚)
جຊฤ
͍ํ ίϯτϩʔϧηϯλʔ AirPlayϘλϯ(MPVolumeView) ҎԼͷμΠΞϩά࣮͢Δඞཁͳ͠ʢͰ͖ͳ͍ʣ
AirPlay࠶ੜͱ • AppleTVΛհͨ͠ɺ֎෦σΟεϓϨΠଆͰͷϑϧεΫϦʔϯ࠶ੜ • ϛϥʔϦϯάͱҟͳΔ
AirPlay != ϛϥʔϦϯά ίϯτϩʔϧηϯλʔ Lightning => HDMIίωΫλ
AirPlay != ϛϥʔϦϯά AirPlay Mirroring ϑϧεΫϦʔϯಈը࠶ੜ ಈըʹؔͳ͘*1ɺ iPhoneͷը໘͕ͦͷ··දࣔ͞ΕΔ͚ͩ iPhoneଆͰ࠶ੜ͞Εͳ͍ɻ *1
DRMͷ߹ಈը͚͕ͩදࣔ͞Εͳ͍ͷOS੍ޚ͕ೖΔ
੍ݶ͢Δϑϥά • AVPlayer.allowsExternalPlayback • AVPlayer.usesExternalPlaybackWhileExternalScreenIsActive ֎෦σΟεϓϨΠͰͷ࠶ੜΛڐՄ͢Δ͔Ͳ͏͔ ֎෦σΟεϓϨΠ͕͋Δ࣌ʹAirPlay࠶ੜΛࣗಈͰ։࢝͢Δ͔Ͳ͏͔
AVPlayer allowsExternalPlayback • True: AirPlayHDMIܦ༝ͰͷಈըɾԻ࠶ੜ͕Մೳ • False: AirPlayHDMIܦ༝Ͱͷಈը࠶ੜ͕ېࢭ͞ΕΔ
AVPlayer allowsExternalPlayback • True: AirPlayHDMIܦ༝ͰͷಈըɾԻ࠶ੜ͕Մೳ • False: AirPlayHDMIܦ༝Ͱͷಈը࠶ੜ͕ېࢭ͞ΕΔ
AVPlayer allowsExternalPlayback: False Իૹ৴͞Εͯ͠·͏ • ༷ɻ • ࢀߟ: ະղܾͷSO: https://stackoverflow.com/questions/
43041220/disable-airplay-with-allowsexternalplayback- but-audio-is-still-playing
AVPlayer usesExternalPlaybackWhileExternalScree nIsActive • ֎෦σΟεϓϨΠ͕͋Δ࣌ʹAirPlay࠶ੜΛࣗಈͰ։࢝͢Δ ͔Ͳ͏͔
ϛϥʔϦϯά + ಈը࠶ੜத ͷ݅ͰউखʹAirPlay͢Δ͔Ͳ͏͔ AirPlay Mirroring ϑϧεΫϦʔϯಈը࠶ੜ ಈըʹؔͳ͘*1ɺ iPhoneͷը໘͕ͦͷ··දࣔ͞ΕΔ͚ͩ iPhoneଆͰ࠶ੜ͞Εͳ͍ɻ
=>
ঢ়ଶΛऔಘ͢Δ • AVPlayer.isExternalPlaybackActive • ಈը࠶ੜʹ͔͔ΘΒͣɺAirPlayதɺMirroringதͷݕʁ ֎෦σΟεϓϨΠͰͦͷಈը͕࠶ੜத͔Ͳ͏͔ ૉͳAPIͳ͍
AirPlay / Mirroringݕͷ࡞Γํ
AirPlay / Mirroringݕͷ࡞Γํ ·ͣࣗલͷϑϥάΛ༻ҙ͠·͢ɻ NSNotificationKVOΛىͱ͢Δ
AirPlay / Mirroringݕͷ࡞Γํ ࣮ػͰಈ࡞֬ೝͯ͠ϚτϦΫεʹ͠·͢ɻ
AirPlay / Mirroringݕͷ࡞Γํ ϑϥά͕ݕ͍ͨ͠ঢ়ଶʹͳͬͨ࣌ʹॲཧΛ͢Δɻ ྫ: AppleTVʹAirPlayଓ͍ͯ͠Δ࣌GoogleCastϘλϯΛදࣔ͠ͳ͍ɺͳͲɻ
• AirPlayଓத: isAirPlaying:true && isMirroring:false • AirPlay࠶ੜத: AirPlayଓத && isExternalPlaybackActive
• ϛϥʔϦϯάଓத: isMirroring:true usesExternalPlaybackWhileExternalScreenIsActive:falseͷ߹ ͳΜͱ͔ͳΓͦ͏
• AirPlayଓத: isAirPlaying:true && isMirroring:false • AirPlay࠶ੜத: AirPlayଓத && isExternalPlaybackActive
• ϛϥʔϦϯάଓத: isMirroring:true usesExternalPlaybackWhileExternalScreenIsActive:falseͷ߹ ͳΜͱ͔ͳΓͦ͏ ͨͩ͠
AirPlay / Mirroringݕͷҙ ֤ϑϥά͙͢ʹΓସΘΓ·ͤΜɻ ޡݕΛ͙ͨΊɺ࠷0.5ඵఔͭඞཁ͕͋Γ·͢ɻ
AirPlay / Mirroringݕͷ࡞Γํ օ͞Μͥͻ͓͏ͪͰ࡞ͬͯΈͯͶ
͜͜Ͱɺ abema-iosͷࠓճͷରԠʹ͍ͭͯ • ΞϓϦʹAirPlayϘλϯͷ࣮ͳ͔ͬͨɻ • ֎෦ग़ྗ(allowsExternalPlayback)ېࢭ͍ͯ͠ͳ͔ͬͨͨΊɺ ίϯτϩʔϧηϯλʔ͔ΒAirPlay࠶ੜͰ͖ͨɻ • ͱΓ͋͑ͣAirPlayϘλϯ͚ͩग़ͦ͏ɻ
αΫοͱ࣮ ઌ΄Ͳͷϑϥάͷ࣮ʹΑͬͯɺϘλϯͷग़͠Θ ͚tintͷมߋ͕όονϦܾ·͍ͬͯΔɻ
αΫοͱ࣮ ઌ΄Ͳͷϑϥάͷ࣮ʹΑͬͯɺϘλϯͷग़͠Θ ͚tintͷมߋ͕όονϦܾ·͍ͬͯΔɻ LGTM
͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠
͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠ ͋Εʁ
͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠ ࢹௌϩάऔΕͯͳ͘ͳ͍ʁ
͝੩ௌ͋Γ͕ͱ͏͟͝ ͍·ͨ͠ ͦΜͳͣ..
timedMetadataऔΕͳ͍ • AppleTV 4th Gen.(20193݄࣌Ͱ࠷৽ܕ)ͰɺAirPlayதʹ timedMetadata͕औΕͳ͍ɻ • 3rd Gen.ͳΒऔΕΔɻ(ͦΕҎલͷόʔδϣϯະݕূͰෆ໌) •
ʮόά͚ͩͲ͢༧ఆࠓͷͱ͜Ζ͋Γ·ͤΜʯ ࢹௌϩάɺ࠶ੜதͷίϯςϯπλΠτϧͷදࣔɺ൪એCMதͷ ࢹௌ༧ػೳͳͲɺଟ͘ͷػೳ͕timedMetadataґଘɻ
ऴΘͬͨ
ͨͷ͍͠AirPlay جຊฤ͓ΘΓ
Ԡ༻ฤ(͓·͚)
εΫϦʔϯϨίʔσΟϯά • iOS11~ • UIScreen.isCapturedϛϥʔϦϯάͰ Ԡ͢Δʹҙɻ • AirPlay࠶ੜத֎෦σΟεϓϨΠଆ͕ը ͞ΕΔ͜ͱͳ͔ͬͨɻ •
ΞϓϦଆͰ࠶ੜ͞Εͳ͍ͨΊɺAirPlay࠶ ੜதͷըڐՄͯ͠ͳ͍ͣɻ
όοΫάϥϯυ࠶ੜͰAirPlay ܧଓͰ͖Δͷʁ • Ͱ͖·͢ɻ • AVPlayer.usesExternalPlaybackWhileExternalScreenIsA ctive: True ͩͱ͏·͍͔͘ͳ͔ͬͨͨΊҙɻ
FairPlay • DRMͷ߹جຊతʹOSଆͰ֎෦ग़ྗ੍ݶ͞ΕΔɻΞ ϓϦଆ੍ޚ͢Δඞཁ͕ͳ͍͘͠Ͱ͖ͳ͍ɻ • AirPlayͱΓସ͑Δͱ࠶ੜηογϣϯͱͯ͠ผѻ͍ʹͳ Δ༷ͰɺFairPlayͷ༷ͰΩʔͷ࠶औಘ͕࣮ߦ͞ΕΔɻͦ ͷͨΊAirPlayͱ௨ৗ࠶ੜͰckcσʔλʢ෮߸ΩʔʣΛ͍ ճ͢͜ͱෆՄೳɻʢ͍ճͨ͠ͱͯ͠࠶ੜΤϥʔͱͳ Δʣ
FairPlay • AirPlayωοτϫʔΫ͕͋Δલఏͷ ͨΊ͔ɺPersistent Content Key ར༻ෆՄɻ • persistentContentKey͕͑Δલఏ Ͱ࣮͍ͯ͠ΔͱDRMίϯςϯπ
͕࠶ੜΤϥʔʹͳΔͨΊҙɻ
ഒ࠶ੜͱAppleTV Remote • AppleTV Remote͔Βpause=>play͢Δͱ rate:1.0ʹͬͯ͠·͍ɺ࠶ੜ͕ΞϓϦͷ දࣔͱ৯͍ҧ͏ঢ়ଶʹͳΔ • YouTube, dTVΛ֬ೝͨ͠ͱ͜ΖಛʹରԠͯ͠
͓ΒͣɺϢʔβ͕࠶࠶ੜΛઃఆ͢͠ ඞཁ͕͋Δɻ • ͜ͷέʔεΛݕͯ͠࠶rateΛηοτ͢͠ ͜ͱͰղܾͰ͖Δ͕ɺҰॠrate:1.0ͷ··࠶ੜ ͞ΕΔͷճආͰ͖ͳ͍ɻ
AirPlayͨͷ͍͠ • AirPlay != ϛϥʔϦϯά • ϑϥάྨͷཧ͕ҙ֎ͱࡶͳͷͰɺؾΛ͚ͭ·͠ΐ͏ɻ • timedMetadataऔΕ·ͤΜɻ
͓͠·͍
ϝϯόʔ΅͠Ύ͏ • ετϦʔϛϯάΫϥΠΞϯτ • ৴αʔόʔ • ίϯςϯπϚωδϝϯτ • etc.. ͨͷ͍͠՝͕͍ͬͺ͍ʂ