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
AbemaTV iOSのダウンロード再生機能
Search
toshi0383
April 25, 2018
Programming
4
980
AbemaTV iOSのダウンロード再生機能
Streaming Conference #2での発表資料です。
https://streaming-lab.connpass.com/event/79586/
toshi0383
April 25, 2018
Tweet
Share
More Decks by toshi0383
See All by toshi0383
CoreDataはじめました
toshi0383
0
160
Swiftコードバトル必勝法
toshi0383
1
290
Sheets API使ってみた
toshi0383
2
340
visionOSについてGlobeeが取り組んでいること
toshi0383
0
530
agile20150512-150512055145-lva1-app6892.pdf
toshi0383
0
220
たのしいAirPlay
toshi0383
1
720
Profiling using Signpost
toshi0383
2
960
AVPlayer周りの設計tips
toshi0383
6
880
cmdshelf::from("Swift")
toshi0383
3
890
Other Decks in Programming
See All in Programming
Jakarta EE Core Profile and Helidon - Speed, Simplicity, and AI Integration
ivargrimstad
0
140
管你要 trace 什麼、bpftrace 用下去就對了 — COSCUP 2025
shunghsiyu
0
450
画像コンペでのベースラインモデルの育て方
tattaka
3
1.8k
ライブ配信サービスの インフラのジレンマ -マルチクラウドに至ったワケ-
mirrativ
1
260
CEDEC 2025 『ゲームにおけるリアルタイム通信への QUIC導入事例の紹介』
segadevtech
3
950
AIエージェント開発、DevOps and LLMOps
ymd65536
1
320
MLH State of the League: 2026 Season
theycallmeswift
0
150
The State of Fluid (2025)
s2b
0
190
兎に角、コードレビュー
mitohato14
0
140
マイコンでもRustのtestがしたい その2/KernelVM Tokyo 18
tnishinaga
2
2.3k
GitHub Copilotの全体像と活用のヒント AI駆動開発の最初の一歩
74th
8
3.1k
Portapad紹介プレゼンテーション
gotoumakakeru
1
130
Featured
See All Featured
Git: the NoSQL Database
bkeepers
PRO
431
65k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
10
1k
We Have a Design System, Now What?
morganepeng
53
7.7k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.6k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Fashionably flexible responsive web design (full day workshop)
malarkey
407
66k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
Making the Leap to Tech Lead
cromwellryan
134
9.5k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Being A Developer After 40
akosma
90
590k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Transcript
AbemaTV iOSͷ μϯϩʔυ࠶ੜػೳ Streaming Conference #2 Apr 25, 2018 Toshihiro
Suzuki © Toshihiro Suzuki 2018 1
whoami ͱͬ͠ʔ @toshi0383 AbemaTV iOS / ৴ΫϥΠΞϯτ ࢹௌ࣭पΓͷR&D CWIP (Certified
Widevine Implementation Partner) GT SPORT, F1 © Toshihiro Suzuki 2018 2
NABShowߦ͖ͬͯ·ͨ͠ © Toshihiro Suzuki 2018 3
ΞδΣϯμ — AbemaTVͷμϯϩʔυ࠶ੜػೳͱ — AVAssetDownloadSession֓ཁ — ࣮ͷϋϚΓϙΠϯτ͍͔ͭ͘ © Toshihiro Suzuki
2018 4
AbemaTVͷμϯϩʔυ࠶ੜػೳͱ — ΦϑϥΠϯ࠶ੜ μϯϩʔυ࠶ੜ — ࠶ੜ։࢝࣌ʹϝλσʔλऔಘͱDRMͷϥΠηϯεղ ܾͳͲ — μϯϩʔμͱͯ͠AVAssetDownloadSessionΛ ༻
— iOS11+ © Toshihiro Suzuki 2018 5
AVAssetDownloadSessionͱ © Toshihiro Suzuki 2018 6
AVAssetDownloadSession֓ཁ1/2 — iOS10+ — URLSessionͷαϒΫϥε — ෳͷAVAssetDownloadTaskΛཧ — Session୯ҐͰWi-FiͷΈڐՄ͔Ͳ͏͔ࢦఆՄೳ —
όοΫάϥϯυDLʹରԠ © Toshihiro Suzuki 2018 7
AVAssetDownloadSession֓ཁ2/2 — جຊతʹλεΫฒྻʹΔ — Playback while downloading͕͍͍ײ͡Ͱ͋Δ — DLΞηοτඞཁʹԠͯࣗ͡ಈͰύʔδ͞ΕΔ —
[iOS11] AVAssetDownloadStorageManagementPolicy ͰॏཁΛઃఆՄೳ © Toshihiro Suzuki 2018 8
AbemaTVಛ༗ͷ੍ޚ — 25੍݅ݶ — FGͰॱ൪ʹDL͞ΕΔΑ͏ʹsuspend/resume => Ϣʔβ͖ͬͱݟ͍ͨॱ൪ʹDL͢Δʹҧ͍ͳ͍ — ࠷ߴը࣭DLͤͯ͞ͳ͍ master
playlistΛύʔεͯ͠720p/480pͷplaylistͲͪ Β͔ΛDL © Toshihiro Suzuki 2018 9
ॳͷ༧ © Toshihiro Suzuki 2018 10
AndroidμϯϩʔμΛϑϧεΫϥον iOSSDKͰΠʔδʔϞʔυ iOS1ϲ݄͘Β͍ૣ͘ऴΘΔͬ͠ΐ © Toshihiro Suzuki 2018 11
݁Ռ AndroidμϯϩʔμΛϑϧεΫϥονͯ͠Δ͏ͪʹ ExoPlayerʹμϯϩʔμ࣮͞ΕͨΒ݁͘͠ہͦͬͪ Λ࠾༻ ʹؔΘΒͣiOSAndroidͱಉ͘͡Β͍Ͱணɻ © Toshihiro Suzuki 2018 12
Ͳ͏ͯ͜͠͏ͳͬͨ — ઌʹ࣮͕ਐΉͱ༷ΛܾΊͳ͕ΒʹͳΔͷͰ ͕མͪΔ — AVFoundation͕ϒϥοΫϘοΫε ҙਤ௨Γಈ͔ͳ͍߹ʹσόοά͕ߤ͕ͪ͠ © Toshihiro Suzuki
2018 13
ϋϚΓϙΠϯτ © Toshihiro Suzuki 2018 14
[ϋϚΓϙΠϯτͦͷ0] URLSessionConfigurationͷύϥϝʔλػೳ͠ͳ͍ ͘͠۩ମతͳڍಈ͕ෆ໌֬ͷ͕΄ͱΜͲ - timeoutIntervalForResource ... ࣮ࡍʹtimeout͑ͯ আ͞ΕΔ͜ͱͳ͔ͬͨ - httpMaximumConnectionsPerHost
... ػೳ͠ͳ͍ © Toshihiro Suzuki 2018 15
[ϋϚΓϙΠϯτͦͷ1] 403ʹͳͬͨ߹ɺλεΫ͕runningͷ··Ԡ͠ͳ͘ ͳΔ μϯϩʔμͱͯ͠ݫີʹڍಈΛ୲อ͢Δʹɺࣄલʹ HEADϦΫΤετ͢ΔͳͲରԠ͕ඞཁͦ͏ © Toshihiro Suzuki 2018 16
[ϋϚΓϙΠϯτͦͷ2] assetTitle assetTitleʹಛఆͷจࣈΛࢦఆ͢Δͱtask͕Τϥʔʹ ͳΔorਐ·ͳ͍ # όάϨϙࡁΈ © Toshihiro Suzuki 2018
17
[ϋϚΓϙΠϯτͦͷ3] ΞϓϦΩϧ DLதʹΞϓϦΩϧ͢Δͱtask͕Ωϟϯηϧ͞ΕΔ. ෮ݩ ෆՄೳ. © Toshihiro Suzuki 2018 18
[ϋϚΓϙΠϯτͦͷ3] ΞϓϦΩϧ Apple: ʮΞϓϦΩϧͨͬͯ͜͠ͱɺλεΫΩϟϯη ϧ͍ͨͬͯ͜͠ͱͬ͠ΐʯ https://developer.apple.com/library/content/ documentation/iPhone/Conceptual/ iPhoneOSProgrammingGuide/BackgroundExecution/ BackgroundExecution.html #
όάϨϙࡁΈ © Toshihiro Suzuki 2018 19
[ϋϚΓϙΠϯτͦͷ4] iOS10 iOS10ͷΈɺಛఆͷίϯςϯπͰDL͕100%ࣦഊ͢Δ Γ͚͢Δ͕࣌ؒମແ͍ͷͰiOS10ରԠࣗମݟૹΔ ͜ͱʹ © Toshihiro Suzuki 2018 20
ࢁੵ ͍ͬͦεΫϥον͢Δํ͕ɻɻ — AVPlayer͕ϩʔΧϧύεΛड͚͚ͯ͘Εͳ͍ͨΊ ϫʔΫΞϥϯυ͕ඞཁ ͳͲͷ՝ ࠓճରԠݟૹΓ © Toshihiro Suzuki
2018 21
·ͱΊ — AVAssetDownloadSessionOSͷαϙʔτ͕ड͚ΒΕ ͯศར — ඞͣ͠ΠʔδʔϞʔυͰͳ͍͔ © Toshihiro Suzuki 2018
22
ืू Ұॹʹಇؒ͘Λืू͍ͯ͠·͢ Χʔτؒืू͍ͯ͠·͢ © Toshihiro Suzuki 2018 23
End ! © Toshihiro Suzuki 2018 24
Toshihiro Suzuki Twitter: @toshi0383 GitHub: @toshi0383 Qiita: @toshi0383 Email:
[email protected]
© Toshihiro Suzuki 2018 25