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
990
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
310
Sheets API使ってみた
toshi0383
2
350
visionOSについてGlobeeが取り組んでいること
toshi0383
0
540
agile20150512-150512055145-lva1-app6892.pdf
toshi0383
0
230
たのしいAirPlay
toshi0383
1
730
Profiling using Signpost
toshi0383
2
980
AVPlayer周りの設計tips
toshi0383
6
890
cmdshelf::from("Swift")
toshi0383
3
900
Other Decks in Programming
See All in Programming
Six and a half ridiculous things to do with Quarkus
hollycummins
0
210
他言語経験者が Golangci-lint を最初のコーディングメンターにした話 / How Golangci-lint Became My First Coding Mentor: A Story from a Polyglot Programmer
uma31
0
340
Go言語の特性を活かした公式MCP SDKの設計
hond0413
1
480
iOSでSVG画像を扱う
kishikawakatsumi
0
160
Goで実践するドメイン駆動開発 AIと歩み始めた新規プロダクト開発の現在地
imkaoru
4
890
チームの境界をブチ抜いていけ
tokai235
0
210
monorepo の Go テストをはやくした〜い!~最小の依存解決への道のり~ / faster-testing-of-monorepos
convto
2
530
釣り地図SNSにおける有料機能の実装
nokonoko1203
0
200
バッチ処理を「状態の記録」から「事実の記録」へ
panda728
PRO
0
190
技術的負債の正体を知って向き合う
irof
0
230
Things You Thought You Didn’t Need To Care About That Have a Big Impact On Your Job
hollycummins
0
250
フロントエンド開発のためのブラウザ組み込みAI入門
masashi
7
3.4k
Featured
See All Featured
Large-scale JavaScript Application Architecture
addyosmani
514
110k
The Art of Programming - Codeland 2020
erikaheidi
56
14k
How To Stay Up To Date on Web Technology
chriscoyier
791
250k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Keith and Marios Guide to Fast Websites
keithpitt
411
23k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.6k
Git: the NoSQL Database
bkeepers
PRO
431
66k
Faster Mobile Websites
deanohume
310
31k
It's Worth the Effort
3n
187
28k
Build your cross-platform service in a week with App Engine
jlugia
233
18k
How to train your dragon (web standard)
notwaldorf
97
6.3k
How GitHub (no longer) Works
holman
315
140k
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