ABEMAのRenderScript Intrinsics Replacement Toolkit 導入事例

by Go Takahana

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ABEMAͷRenderScript Intrinsics Replacement Toolkit ಋೖࣄྫ גࣜձࣾAbemaTV ߴඓ ڷ

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ߴඓ ڷ Takahana Go • 21৽ଔͰαΠόʔΤʔδΣϯτʹೖࣾ • ABEMAͷAndroidϞόΠϧ / TVΞϓϦͷ։ൃ @go_takahana

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1. ώʔϩʔΤϦΞͷ౰ॳͷ࣮ݱํ๏ 2. ΅͔͠ը૾࡞੒ํ๏ͷબ୒ 3. ·ͱΊ

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ώʔϩʔΤϦΞͷ  ౰ॳͷ࣮ݱํ๏

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ϗʔϜͷώʔϩʔΤϦΞ • ABEMAͷࠓͷΠνΦγ࡞඼Λ঺հ͢Δ • αϜωΠϧͷഎܠ͸΅͔ͨ͠αϜωΠϧ ※ϑϦʔը૾ʹࠩ͠ସ͍͑ͯ·͢

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αϜωΠϧΛҾཱ͖ͯΔ ※ϑϦʔը૾ʹࠩ͠ସ͍͑ͯ·͢

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ΫϥΠΞϯτͰ΅͔͠ը૾Λ࡞੒͢Δ αʔόʔ ΫϥΠΞϯτ • λΠτϧ • ը૾URL

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΅͔͠ը૾࡞੒ํ๏ͷݕ౼ ํ๏ ϝϦοτ ݒ೦ ը૾ϩʔμʔͷ   #MVS5SBOTGPSNBUJPO (MJEFͱ$PJMΛར༻͍ͯ͠Δ   ͷͰಋೖ͕؆୯ 3FOEFS4DSJQUΛར༻͍ͯ͠Δ ˞$PJMͰ͸Ͱ࡟আࡁΈ αʔυύʔςΟͷ   ը૾Ճ޻ϥΠϒϥϦ ಋೖ͕؆୯ 3FOEFS4DSJQUΛར༻͍ͯ͠Δ ϝϯςͮ͠Β͍ $PNQPTFͷ.PEJ fi FSCMVS ͙͢࢖͑Δ "OESPJEҎ্Ͱ͔͠࢖͑ͳ͍ ※ϝϦοτ΍σϝϦοτ͸ABEMAΞϓϦʹ͓͚Δ΋ͷͰɺଞΞϓϦʹ͓͍ͯ͸ҟͳΔ৔߹͕͋Γ·͢ɻ

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RenderScript ͷαϙʔτऴྃ https://developer.android.com/guide/topics/renderscript/compute?hl=ja

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Coil BlurTransformation ΋࡟আࡁΈ • 2.0.0Ͱ࡟আࡁΈ • ཧ༝͸ɺRenderScript ͷαϙʔτऴ͔ྃͨ͠ΒͩͱࢥΘΕΔ ৄࡉ͸Θ͔Βͳ͔͕ͬͨɺDiscussion ͷ಺༰Λࢀߟʹ͍ͯ͠Δ • Ҿ͖ଓ͖ར༻͍ͨ͠ͳΒɺݩͷίʔυΛίϐʔ͢ΔΑ͏ʹҊ಺͕ग़͍ͯΔ https://coil-kt.github.io/coil/changelog/#200-may-10-2022 https://github.com/coil-kt/coil/discussions/1362

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Modi fi er.blur ͸ Android 12 Ҏ্Ͱར༻Մೳ https://developer.android.com/reference/kotlin/androidx/compose/ui/ Modifier#(androidx.compose.ui.Modifier).blur(androidx.compose.ui.unit.Dp,androidx.compose.ui.unit.Dp,androidx.compose.ui.draw.BlurredEdgeTreatment)

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Modi fi er.blur ͸ Android 12 Ҏ্Ͱར༻Մೳ • RenderEffect Λར༻͍ͯ͠Δ RenderEffect ͸ Android 12 Ҏ্Ͱར༻Մೳ @Stable fun Modifier.blur( radiusX: Dp, radiusY: Dp, edgeTreatment: BlurredEdgeTreatment = BlurredEdgeTreatment.Rectangle, ): Modifier { ... graphicsLayer { this.renderEffect = // Only non-zero blur radii are valid BlurEffect parameters if (horizontalBlurPixels > 0f && verticalBlurPixels > 0f) { BlurEffect(horizontalBlurPixels, verticalBlurPixels, tileMode) } else { null }

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΅͔͠ը૾࡞੒ํ๏ͷݕ౼ʢ࠶ܝʣ ํ๏ ϝϦοτ ݒ೦ ը૾ϩʔμʔͷ   #MVS5SBOTGPSNBUJPO (MJEFͱ$PJMΛར༻͍ͯ͠Δ   ͷͰಋೖ͕؆୯ 3FOEFS4DSJQUΛར༻͍ͯ͠Δ ˞$PJMͰ͸Ͱ࡟আࡁΈ αʔυύʔςΟͷ   ը૾Ճ޻ϥΠϒϥϦ ಋೖ͕؆୯ 3FOEFS4DSJQUΛར༻͍ͯ͠Δ ϝϯςͮ͠Β͍ $PNQPTFͷ.PEJ fi FSCMVS ͙͢࢖͑Δ "OESPJEҎ্Ͱ͔͠࢖͑ͳ͍ ※ϝϦοτ΍σϝϦοτ͸ABEMAΞϓϦʹ͓͚Δ΋ͷͰɺଞΞϓϦʹ͓͍ͯ͸ҟͳΔ৔߹͕͋Γ·͢ɻ ❌ ❌ ❌

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ࣗલͰ࣮૷͠Α͏💪

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΅͔͠ը૾࡞੒ํ๏ͷબ୒

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ߟྀ͢΂͖఺ • αϙʔτόʔδϣϯ ΞϓϦ͸ API 21 (Android 5.0) Ҏ্Λαϙʔτ • ύϑΥʔϚϯε͕ѱ͘ͳΒͳ͍͔ جຊతʹը૾ॲཧ͸ॏ͍ͨ

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ݕ౼ͨ͠બ୒ࢶ ํ๏ αϙʔτ7FS ಋೖͷ͠΍͢͞ ύϑΥʔϚϯε උߟ 3FOEFS& ff FDU ˚ ˓ ʁ 3FOEFS4DSJQU*OUSJOTJDT 3FQMBDFNFOU5PPMLJU ˓ ˚ ˕ 3FOEFS4DSJQUͷ୅ସπʔϧɻ 3FOEFS4DSJQUͷഒͷ   ύϑΥʔϚϯε͕ݟࠐΊΔɻ˞ ࣗલͰը૾ॲཧ ˓ ˓ ˚ ˞IUUQTEFWFMPQFSBOESPJEDPNHVJEFUPQJDTSFOEFSTDSJQUNJHSBUF IMKBTDSJQUT ΋͠RenderScriptͷύϑΥʔϚϯε͕ྑ͚Ε͹ɺ Android 12 Ҏ্Ͱ͸RenderEffectɺͦΕະຬͰ͸ Toolkit Λར༻͢Ε͹ྑ͍͔΋͠Εͳ͍ɻ

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Macrobenchmark ͰύϑΥʔϚϯεܭଌ • FrameTimingMetrics Λར༻ ϑϨʔϜੜ੒ʹ͔͔͕ͬͨ࣌ؒΘ͔Δ • ςετΞϓϦͰ΅͔͠ը૾͕දࣔ͞ΕΔ·Ͱͷ ظؒΛܭଌ

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ܭଌ݁Ռ (Pixel 7) • P50 ~ P99 .. ύʔηϯλΠϧɻσʔλΛখ͍͞ॱʹฒ΂ͯɺॳΊ͔Β਺͑ͯԿ%·Ͱ͔ɻ • frameDurationCpsMs … ϑϨʔϜͷੜ੒ʹ͔͔ͬͨ࣌ؒ • (60fps) 16.67ms Ҏ্ͳΒ੺৭ɺ(90fps) 11.11ms Ҏ্ͳΒԫ৭ • frameOverrunMs … ʢਖ਼ͷ஋ʣͲΕ͘Β͍ϑϨʔϜੜ੒͕஗Ε͔ͨɺʢෛͷ஋ʣͲΕ͚ͩϑϨʔϜੜ੒͕ૣ͔͔ͬͨ • ෛͷ஋ͳΒ੨৭ • ࢼߦճ਺ 20ճ

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AndroidViewͷํ͕ϑϨʔϜੜ੒͕ૣ͍܏޲͋Γ • ಉ͘͡ RenderEffect Λ࢖͍ͬͯͯ΋ɺAndroidViewͷํ͕ૣ͍܏޲͋Γ • AndroidViewʹ͓͍ͯ͸ɺRenderEffect ͩͱ60fpsͰϑϨʔϜམͪ͢Δέʔ ε͕͋ͬͨ ※ࢲ෺ͷ Pixel 7 ʹ͓͍ͯ

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AndroidView × Toolkit Λબ୒ • ࠓճͷௐࠪͰ͸ɺ࠷΋ϑϨʔϜམ͕ͪগͳ͔ͬͨͨΊɻ

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·ͱΊ

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·ͱΊ • RenderScript ͸αϙʔτ͕ऴ͍ྃͯ͠Δ • ͦͷ୅ସͱͯ͠ɺRenderScript Intrinsics Replacement Toolkit ͕͋Δ • ࠓճͷௐࠪͰ͸ɺAndroidView × Toolkit ͕ϑϨʔϜམ͕ͪগͳ͔ͬͨ ABEMAͷAndroidΞϓϦͰ Toolkit Λ࠾༻

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͋Γ͕ͱ͏͍͟͝·ͨ͠