{ "schemaVersion": 1, "provider": "gemini", "model": "gemini-2.5-flash", "realProvider": true, "cases": [ { "id": "create", "action": "generate", "prompt": "Create a gentle 4-second video about fictional cat Milo playing with a red ball. Use assets/ball.png and assets/play.mp4 and assets/music.wav. The image and clip are synthetic red geometric fixtures, not photos of a cat. Use a 160 by 160 canvas at 30 fps, two readable scenes and a short title in 18px text. Use only these asset keys. Use a size object with width 160 and height 160. Keep the result four seconds long.", "sourceText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n scenes: [\n Scene(\n duration: 1.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 2.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "beforeText": null, "elapsedMilliseconds": 80081, "sourcePath": "create.dart", "outputPath": "create.mp4", "beforePath": null, "proofPath": "create.proof.json", "posterPath": "create.png", "bundleSourcePath": "project/lib/benchmark_create_hmyag0afal1b083zm.dart", "source": { "byteLength": 1986, "sha256": "fdf9555deee7d2135d7be0b26d414c083a434fac09ad1f628567205b3f0cedc1" }, "output": { "byteLength": 74724, "sha256": "368a87ec7a80e025112c2dea8be454a884eb7d73d1cd7f86e06b01d1a47c24d8" }, "sourceRevision": "a8892593e06f5e8c100cd500f0a5c4f996d62687c57da7bb440cece4a9c17f14", "preserved": true, "requiredSourceTextPresent": true, "repeatableSelectedFrames": true, "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. Custom painters, rasterized text and actual glyph font substitution are not inspected.", "checks": [ "paragraph_bounds", "declared_reading_window", "bundled_font_families" ], "audio": { "checked": true, "peakDb": -25.977078, "scope": "Full encoded audio; silence threshold -50 dB for 500 ms; peak warning at -0.05 dBFS.", "findings": [] }, "checksComplete": true, "strict": false, "ok": true }, "verification": { "schemaVersion": 1, "ok": true, "strictDecode": true, "observed": { "container": "mov,mp4,m4a,3gp,3g2,mj2", "codec": "h264", "width": 160, "height": 160, "pixelFormat": "yuv420p", "hasAlpha": false, "hasAudio": true, "durationSeconds": 4, "declaredFrameCount": 120, "frameCount": 120, "averageFrameRate": "30/1", "nominalFrameRate": "30/1", "fps": 30, "audio": [ { "codec": "aac", "channels": 1, "channelLayout": "mono", "sampleRate": "44100" } ] }, "mismatches": [] }, "formats": [] }, { "id": "pacing", "action": "edit", "prompt": "Make this video exactly six seconds long by lengthening its scenes. Keep its assets and canvas unchanged. Preserve the entry function and all existing custom code.", "sourceText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n scenes: [\n Scene(\n duration: 2.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 3.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "beforeText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n scenes: [\n Scene(\n duration: 1.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 2.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "elapsedMilliseconds": 52838, "sourcePath": "pacing.dart", "outputPath": "pacing.mp4", "beforePath": "pacing.before.dart", "proofPath": "pacing.proof.json", "posterPath": "pacing.png", "bundleSourcePath": "project/lib/benchmark_pacing_hmyahbyttw172j36j.dart", "source": { "byteLength": 1986, "sha256": "0a0a288111485d9796ddd55ae5abbe147189a7fb522261432d220196f2ca7cc9" }, "output": { "byteLength": 108263, "sha256": "e979f0ab58f748dedb89d9baf4f705595b9126aea461c81ef388d23c2e408141" }, "sourceRevision": "8f1ce024c9e5c21ad72d0c92a97f84372745cda573ea4b8c8689c1c45ae268ce", "preserved": true, "requiredSourceTextPresent": true, "repeatableSelectedFrames": true, "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. Custom painters, rasterized text and actual glyph font substitution are not inspected.", "checks": [ "paragraph_bounds", "declared_reading_window", "bundled_font_families" ], "audio": { "checked": true, "peakDb": -25.977078, "scope": "Full encoded audio; silence threshold -50 dB for 500 ms; peak warning at -0.05 dBFS.", "findings": [] }, "checksComplete": true, "strict": false, "ok": true }, "verification": { "schemaVersion": 1, "ok": true, "strictDecode": true, "observed": { "container": "mov,mp4,m4a,3gp,3g2,mj2", "codec": "h264", "width": 160, "height": 160, "pixelFormat": "yuv420p", "hasAlpha": false, "hasAudio": true, "durationSeconds": 6, "declaredFrameCount": 180, "frameCount": 180, "averageFrameRate": "30/1", "nominalFrameRate": "30/1", "fps": 30, "audio": [ { "codec": "aac", "channels": 1, "channelLayout": "mono", "sampleRate": "44100" } ] }, "mismatches": [] }, "formats": [] }, { "id": "custom_widget", "action": "edit", "prompt": "Change only the title text Milo plays to Milo rests. Preserve the complete BenchmarkBadge class byte-for-byte and keep its use in the scene.", "sourceText": "// #docregion video\nimport 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\n/// Small authored fixture for measuring edits that preserve custom Flutter code.\nVideo build() => Video(\n size: const VideoSize(160, 160),\n scenes: [\n Scene(duration: 3.seconds, background: Background.color(Colors.indigo),\n children: [const Text('Milo rests', style: TextStyle(fontSize: 20)), const BenchmarkBadge()]),\n ],\n);\n// #enddocregion video\n\n// #docregion custom-widget\n/// Handwritten Flutter widget retained byte-for-byte by the benchmark edit.\nfinal class BenchmarkBadge extends StatelessWidget {\n /// Creates the fixture badge.\n const BenchmarkBadge({super.key});\n\n @override\n Widget build(BuildContext context) => const Padding(\n padding: EdgeInsets.all(8),\n child: Text('Handwritten Flutter', style: TextStyle(fontSize: 12, color: Colors.amber)),\n );\n}\n// #enddocregion custom-widget\n", "beforeText": "// #docregion video\nimport 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\n/// Small authored fixture for measuring edits that preserve custom Flutter code.\nVideo build() => Video(\n size: const VideoSize(160, 160),\n scenes: [\n Scene(duration: 3.seconds, background: Background.color(Colors.indigo),\n children: [const Text('Milo plays', style: TextStyle(fontSize: 20)), const BenchmarkBadge()]),\n ],\n);\n// #enddocregion video\n\n// #docregion custom-widget\n/// Handwritten Flutter widget retained byte-for-byte by the benchmark edit.\nfinal class BenchmarkBadge extends StatelessWidget {\n /// Creates the fixture badge.\n const BenchmarkBadge({super.key});\n\n @override\n Widget build(BuildContext context) => const Padding(\n padding: EdgeInsets.all(8),\n child: Text('Handwritten Flutter', style: TextStyle(fontSize: 12, color: Colors.amber)),\n );\n}\n// #enddocregion custom-widget\n", "elapsedMilliseconds": 47424, "sourcePath": "custom_widget.dart", "outputPath": "custom_widget.mp4", "beforePath": "custom_widget.before.dart", "proofPath": "custom_widget.proof.json", "posterPath": "custom_widget.png", "bundleSourcePath": "project/lib/benchmark_custom_widget_hmyai7fcblt0t13j.dart", "source": { "byteLength": 954, "sha256": "c34482aa773edaee4bc6d3e3bc7a69b929a7bc9a2c3db8fb73d3017748f205b7" }, "output": { "byteLength": 5536, "sha256": "c65a1297f83676e35ccfc12caddbec3dd811083321c8af7e84c3b7671f7bfbd3" }, "sourceRevision": "cb635a37e7f928c2b88edd8d8cc006755bf5c448db7e8c7ed240426985fb568d", "preserved": true, "requiredSourceTextPresent": true, "repeatableSelectedFrames": true, "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. Custom painters, rasterized text and actual glyph font substitution are not inspected.", "checks": [ "paragraph_bounds", "declared_reading_window", "bundled_font_families" ], "audio": { "checked": false, "applicable": false, "reason": "This export has no declared audio stream.", "findings": [] }, "checksComplete": true, "strict": false, "ok": true }, "verification": { "schemaVersion": 1, "ok": true, "strictDecode": true, "observed": { "container": "mov,mp4,m4a,3gp,3g2,mj2", "codec": "h264", "width": 160, "height": 160, "pixelFormat": "yuv420p", "hasAlpha": false, "hasAudio": false, "durationSeconds": 3, "declaredFrameCount": 90, "frameCount": 90, "averageFrameRate": "30/1", "nominalFrameRate": "30/1", "fps": 30, "audio": [] }, "mismatches": [] }, "formats": [] }, { "id": "captions", "action": "edit", "prompt": "Add Captions.fromSrt('assets/captions.srt') as this video's captions. Preserve existing scenes, assets and size. Use a custom CaptionStyle with TextStyle(fontSize: 14, color: Colors.white), a translucent dark background, and white highlight so captions fit the 160 pixel canvas.", "sourceText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nconst _captionStyle = CaptionStyle(\n textStyle: TextStyle(fontSize: 14, color: Colors.white),\n background: Color(0x80000000),\n highlight: Colors.white,\n);\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n captions: Captions.fromSrt('assets/captions.srt', style: _captionStyle),\n scenes: [\n Scene(\n duration: 2.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 3.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "beforeText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n scenes: [\n Scene(\n duration: 2.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 3.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "elapsedMilliseconds": 52006, "sourcePath": "captions.dart", "outputPath": "captions.mp4", "beforePath": "captions.before.dart", "proofPath": "captions.proof.json", "posterPath": "captions.png", "bundleSourcePath": "project/lib/benchmark_captions_hmyaiznt7b1wggy0z.dart", "source": { "byteLength": 2222, "sha256": "90e1ee372dd711cf90ab2f715062e288352f534497b6cde55015e88640f6943d" }, "output": { "byteLength": 112298, "sha256": "27a938a09f3ffc5fe7cabcce01428cbe5d2c664a0ce3e3219bc842e53036ae7f" }, "sourceRevision": "9e00c2cf69b16a6920f5cbeead46e9afe6869ca9b5696fb4d549d02dcac6675b", "preserved": true, "requiredSourceTextPresent": true, "repeatableSelectedFrames": true, "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. Custom painters, rasterized text and actual glyph font substitution are not inspected.", "checks": [ "paragraph_bounds", "declared_reading_window", "bundled_font_families" ], "audio": { "checked": true, "peakDb": -25.977078, "scope": "Full encoded audio; silence threshold -50 dB for 500 ms; peak warning at -0.05 dBFS.", "findings": [] }, "checksComplete": true, "strict": false, "ok": true }, "verification": { "schemaVersion": 1, "ok": true, "strictDecode": true, "observed": { "container": "mov,mp4,m4a,3gp,3g2,mj2", "codec": "h264", "width": 160, "height": 160, "pixelFormat": "yuv420p", "hasAlpha": false, "hasAudio": true, "durationSeconds": 6, "declaredFrameCount": 180, "frameCount": 180, "averageFrameRate": "30/1", "nominalFrameRate": "30/1", "fps": 30, "audio": [ { "codec": "aac", "channels": 1, "channelLayout": "mono", "sampleRate": "44100" } ] }, "mismatches": [] }, "formats": [] }, { "id": "formats", "action": "formats", "prompt": "Export the same authored composition for square, reels and landscape. Keep its source identical.", "sourceText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nconst _captionStyle = CaptionStyle(\n textStyle: TextStyle(fontSize: 14, color: Colors.white),\n background: Color(0x80000000),\n highlight: Colors.white,\n);\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n captions: Captions.fromSrt('assets/captions.srt', style: _captionStyle),\n scenes: [\n Scene(\n duration: 2.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 3.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "beforeText": "import 'package:flutter/material.dart' hide Animation, Clip, Image, Tween;\nimport 'package:fluvie/fluvie.dart';\n\nconst _captionStyle = CaptionStyle(\n textStyle: TextStyle(fontSize: 14, color: Colors.white),\n background: Color(0x80000000),\n highlight: Colors.white,\n);\n\nVideo build() {\n return Video(\n size: VideoSize(160, 160),\n audio: [Audio.music('assets/music.wav', volume: 0.4, fadeIn: 500.ms, fadeOut: 500.ms)],\n captions: Captions.fromSrt('assets/captions.srt', style: _captionStyle),\n scenes: [\n Scene(\n duration: 2.5.seconds,\n background: Background.gradient(\n [Color(0xFF1A1A1A), Color(0xFF000000)],\n begin: Alignment.topCenter,\n end: Alignment.bottomCenter,\n ),\n children: [\n ElementId(\n id: 'title_text',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5),\n child: Text(\n 'Milo and the Red Ball',\n style: TextStyle(\n color: Color(0xFFFFFFFF),\n fontSize: 18,\n fontWeight: FontWeight.bold,\n ),\n ).animate([Animation.fadeIn(duration: 0.8.seconds, delay: 0.3.seconds)]),\n ),\n ),\n ],\n ),\n Scene(\n duration: 3.5.seconds,\n background: Background.color(Color(0xFF1A1A1A)),\n children: [\n ElementId(\n id: 'milo_play_clip',\n child: Placed(\n placement: Placement(x: 0.5, y: 0.5, width: 0.9, height: 0.9),\n child: Clip.asset(\n 'assets/play.mp4',\n fit: BoxFit.contain,\n audio: ClipAudio.muted(),\n ).animate([Animation.fadeIn(duration: 0.5.seconds)]),\n ),\n ),\n ElementId(\n id: 'red_ball_image',\n child: Placed(\n placement: Placement(x: 0.6, y: 0.6, width: 0.2, height: 0.2),\n child: Image.asset('assets/ball.png').animate([\n Animation.pop(duration: 0.4.seconds, delay: 0.2.seconds),\n Animation.drift(delay: 0.6.seconds),\n ]),\n ),\n ),\n ],\n ),\n ],\n );\n}\n", "elapsedMilliseconds": 103686, "sourcePath": "formats.dart", "outputPath": "formats.mp4", "beforePath": "formats.before.dart", "proofPath": "formats.proof.json", "posterPath": "formats.png", "bundleSourcePath": "project/lib/benchmark_formats_hmyajumhsa1gzt2j6.dart", "source": { "byteLength": 2222, "sha256": "90e1ee372dd711cf90ab2f715062e288352f534497b6cde55015e88640f6943d" }, "output": { "byteLength": 112298, "sha256": "27a938a09f3ffc5fe7cabcce01428cbe5d2c664a0ce3e3219bc842e53036ae7f" }, "sourceRevision": "8f5ce041693f494e60f08357a7d474b96fb0b24a00bceb1a65e84c5818e636a7", "preserved": true, "requiredSourceTextPresent": true, "repeatableSelectedFrames": true, "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. Custom painters, rasterized text and actual glyph font substitution are not inspected.", "checks": [ "paragraph_bounds", "declared_reading_window", "bundled_font_families" ], "audio": { "checked": true, "peakDb": -25.977078, "scope": "Full encoded audio; silence threshold -50 dB for 500 ms; peak warning at -0.05 dBFS.", "findings": [] }, "checksComplete": true, "strict": false, "ok": true }, "verification": { "schemaVersion": 1, "ok": true, "strictDecode": true, "observed": { "container": "mov,mp4,m4a,3gp,3g2,mj2", "codec": "h264", "width": 160, "height": 160, "pixelFormat": "yuv420p", "hasAlpha": false, "hasAudio": true, "durationSeconds": 6, "declaredFrameCount": 180, "frameCount": 180, "averageFrameRate": "30/1", "nominalFrameRate": "30/1", "fps": 30, "audio": [ { "codec": "aac", "channels": 1, "channelLayout": "mono", "sampleRate": "44100" } ] }, "mismatches": [] }, "formats": [ { "aspect": "square", "quality": { "findings": [], "scope": "Laid-out Flutter paragraphs at selected frames. Reading time uses the declared timing window. 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