{ "measured_at": "2026-11-02T13:21:32.578191+00:00", "python": "3.12.14", "pillow": "12.3.0", "ffmpeg_version": "ffmpeg version N-126374-g089a48eb36-20260831 Copyright (c) 2000-2026 the FFmpeg developers", "inputs": [ { "file": "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\ascending.ico", "bytes": 972, "sha256": "1f4828ba087f0beafd27b44eadd6234e0524c9647d8e8c718d867641b457412a", "sizes": [ [ 32, 32 ], [ 64, 64 ], [ 256, 256 ] ], "local_reader_default": [ 256, 256 ], "source": "locally generated controlled nonprivate fixture; not third-party conversion" }, { "file": "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\descending.ico", "bytes": 972, "sha256": "53aed5dfd3eb556a140c46bd2eaf33bf9277389f686fe5126ed1865b17caa1cf", "sizes": [ [ 32, 32 ], [ 64, 64 ], [ 256, 256 ] ], "local_reader_default": [ 256, 256 ], "source": "locally generated controlled nonprivate fixture; not third-party conversion" }, { "file": "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\single-32.ico", "bytes": 147, "sha256": "7375ce00f6d8d69f4ea35b867bb99b0ba5c0ca08bf12403a09c42bfe1a73d704", "sizes": [ [ 32, 32 ] ], "local_reader_default": [ 32, 32 ], "source": "locally generated controlled nonprivate fixture; not third-party conversion" } ], "runs": [ { "input": "ascending.ico", "route": "pillow-default", "started_at": "2026-11-02T13:21:28.840811+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\ascending.ico", "default", "save PNG" ], "exit_code": 0, "stderr": "" }, { "input": "ascending.ico", "route": "ffmpeg-default", "started_at": "2026-11-02T13:21:28.925104+00:00", "command": [ "C:\\Users\\Administrator\\AppData\\Local\\Microsoft\\WinGet\\Packages\\yt-dlp.FFmpeg_Microsoft.Winget.Source_8wekyb3d8bbwe\\ffmpeg-N-126374-g089a48eb36-win64-gpl\\bin\\ffmpeg.EXE", "-hide_banner", "-loglevel", "info", "-y", "-i", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\ascending.ico", "-frames:v", "1", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\ascending-ffmpeg-default.png" ], "exit_code": 0, "stderr": "Input #0, ico, from 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\ascending.ico':\n Duration: N/A, bitrate: N/A\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown), 32x32, 90k tbr, 90k tbn\n Stream #0:1: Video: png, rgba(pc, gbr/unknown/unknown), 64x64, 90k tbr, 90k tbn\n Stream #0:2: Video: png, rgba(pc, gbr/unknown/unknown), 256x256, 90k tbr, 90k tbn\nStream mapping:\n Stream #0:2 -> #0:0 (png (native) -> png (native))\nPress [q] to stop, [?] for help\nOutput #0, image2, to 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\ascending-ffmpeg-default.png':\n Metadata:\n encoder : Lavf63.6.100\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown, progressive), 256x256, q=2-31, 200 kb/s, 90k fps, 90k tbn\n Metadata:\n encoder : Lavc63.9.100 png\n[image2 @ 0000022d4ccdb800] The specified filename 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\ascending-ffmpeg-default.png' does not contain an image sequence pattern or a pattern is invalid.\n[image2 @ 0000022d4ccdb800] Use a pattern such as %03d for an image sequence or use the -update option (with -frames:v 1 if needed) to write a single image.\n[out#0/image2 @ 0000022d4cc8fcc0] video:1KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown\nframe= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=4.86e-05x elapsed=0:00:00.22 \n" }, { "input": "ascending.ico", "route": "pillow-explicit-32", "started_at": "2026-11-02T13:21:31.958474+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\ascending.ico", "ico.getimage((32,32))", "save PNG" ], "exit_code": 0, "stderr": "" }, { "input": "descending.ico", "route": "pillow-default", "started_at": "2026-11-02T13:21:31.979692+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\descending.ico", "default", "save PNG" ], "exit_code": 0, "stderr": "" }, { "input": "descending.ico", "route": "ffmpeg-default", "started_at": "2026-11-02T13:21:32.028114+00:00", "command": [ "C:\\Users\\Administrator\\AppData\\Local\\Microsoft\\WinGet\\Packages\\yt-dlp.FFmpeg_Microsoft.Winget.Source_8wekyb3d8bbwe\\ffmpeg-N-126374-g089a48eb36-win64-gpl\\bin\\ffmpeg.EXE", "-hide_banner", "-loglevel", "info", "-y", "-i", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\descending.ico", "-frames:v", "1", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\descending-ffmpeg-default.png" ], "exit_code": 0, "stderr": "Input #0, ico, from 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\descending.ico':\n Duration: N/A, bitrate: N/A\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown), 256x256, 90k tbr, 90k tbn\n Stream #0:1: Video: png, rgba(pc, gbr/unknown/unknown), 64x64, 90k tbr, 90k tbn\n Stream #0:2: Video: png, rgba(pc, gbr/unknown/unknown), 32x32, 90k tbr, 90k tbn\nStream mapping:\n Stream #0:0 -> #0:0 (png (native) -> png (native))\nPress [q] to stop, [?] for help\nOutput #0, image2, to 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\descending-ffmpeg-default.png':\n Metadata:\n encoder : Lavf63.6.100\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown, progressive), 256x256, q=2-31, 200 kb/s, 90k fps, 90k tbn\n Metadata:\n encoder : Lavc63.9.100 png\n[image2 @ 0000018cafe10c80] The specified filename 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\descending-ffmpeg-default.png' does not contain an image sequence pattern or a pattern is invalid.\n[image2 @ 0000018cafe10c80] Use a pattern such as %03d for an image sequence or use the -update option (with -frames:v 1 if needed) to write a single image.\n[out#0/image2 @ 0000018cafd8f4c0] video:1KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown\nframe= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=0.00029x elapsed=0:00:00.03 \n" }, { "input": "descending.ico", "route": "pillow-explicit-32", "started_at": "2026-11-02T13:21:32.358888+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\descending.ico", "ico.getimage((32,32))", "save PNG" ], "exit_code": 0, "stderr": "" }, { "input": "single-32.ico", "route": "pillow-default", "started_at": "2026-11-02T13:21:32.368902+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\single-32.ico", "default", "save PNG" ], "exit_code": 0, "stderr": "" }, { "input": "single-32.ico", "route": "ffmpeg-default", "started_at": "2026-11-02T13:21:32.376639+00:00", "command": [ "C:\\Users\\Administrator\\AppData\\Local\\Microsoft\\WinGet\\Packages\\yt-dlp.FFmpeg_Microsoft.Winget.Source_8wekyb3d8bbwe\\ffmpeg-N-126374-g089a48eb36-win64-gpl\\bin\\ffmpeg.EXE", "-hide_banner", "-loglevel", "info", "-y", "-i", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\single-32.ico", "-frames:v", "1", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\single-32-ffmpeg-default.png" ], "exit_code": 0, "stderr": "Input #0, ico, from 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\single-32.ico':\n Duration: N/A, bitrate: N/A\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown), 32x32, 90k tbr, 90k tbn\nStream mapping:\n Stream #0:0 -> #0:0 (png (native) -> png (native))\nPress [q] to stop, [?] for help\nOutput #0, image2, to 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\single-32-ffmpeg-default.png':\n Metadata:\n encoder : Lavf63.6.100\n Stream #0:0: Video: png, rgba(pc, gbr/unknown/unknown, progressive), 32x32, q=2-31, 200 kb/s, 90k fps, 90k tbn\n Metadata:\n encoder : Lavc63.9.100 png\n[image2 @ 000001ca4f94e6c0] The specified filename 'C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\local-conversion-benchmark\\single-32-ffmpeg-default.png' does not contain an image sequence pattern or a pattern is invalid.\n[image2 @ 000001ca4f94e6c0] Use a pattern such as %03d for an image sequence or use the -update option (with -frames:v 1 if needed) to write a single image.\n[out#0/image2 @ 000001ca4f8ff000] video:0KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown\nframe= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=0.000233x elapsed=0:00:00.04 \n" }, { "input": "single-32.ico", "route": "pillow-explicit-32", "started_at": "2026-11-02T13:21:32.566612+00:00", "command": [ "Pillow Image.open", "C:\\Users\\Administrator\\WorkBuddy AI\\day8-lab\\ico-png-next-20261102\\controlled-inputs\\single-32.ico", "ico.getimage((32,32))", "save PNG" ], "exit_code": 0, "stderr": "" } ], "outputs": [ { "input": "ascending.ico", "route": "pillow-default", "output": "ascending-pillow-default.png", "bytes": 621, "width": 256, "height": 256, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 49152, "semitransparent_pixels": 16384, "opaque_pixels": 0, "center_rgba": [ 20, 180, 90, 128 ], "sha256": "dc97981f9b57496d7a6b306f79e549243019f902ab12b675e12df658fa19943a", "rgba_sha256": "9f05ad680ae6174fa1cf81b453bfa0f47f7f700d46528518e43740ace5621e3e", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "ascending.ico", "route": "ffmpeg-default", "output": "ascending-ffmpeg-default.png", "bytes": 902, "width": 256, "height": 256, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 49152, "semitransparent_pixels": 16384, "opaque_pixels": 0, "center_rgba": [ 20, 180, 90, 128 ], "sha256": "3b1ebfdaf24f4b70be388e694874dff16d57c2aba0670c088a529093a8cdacfc", "rgba_sha256": "9f05ad680ae6174fa1cf81b453bfa0f47f7f700d46528518e43740ace5621e3e", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "ascending.ico", "route": "pillow-explicit-32", "output": "ascending-pillow-explicit-32.png", "bytes": 125, "width": 32, "height": 32, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 768, "semitransparent_pixels": 256, "opaque_pixels": 0, "center_rgba": [ 220, 30, 45, 128 ], "sha256": "eca0c13372112082a048b23e5276d79c1de8fa6b782693f4b570bf3df0a5a8f0", "rgba_sha256": "07e0056e38ea3a208a970148e091eb09b79b47aa079d8fd187148e853af27a0c", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "descending.ico", "route": "pillow-default", "output": "descending-pillow-default.png", "bytes": 621, "width": 256, "height": 256, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 49152, "semitransparent_pixels": 16384, "opaque_pixels": 0, "center_rgba": [ 20, 180, 90, 128 ], "sha256": "dc97981f9b57496d7a6b306f79e549243019f902ab12b675e12df658fa19943a", "rgba_sha256": "9f05ad680ae6174fa1cf81b453bfa0f47f7f700d46528518e43740ace5621e3e", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "descending.ico", "route": "ffmpeg-default", "output": "descending-ffmpeg-default.png", "bytes": 902, "width": 256, "height": 256, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 49152, "semitransparent_pixels": 16384, "opaque_pixels": 0, "center_rgba": [ 20, 180, 90, 128 ], "sha256": "3b1ebfdaf24f4b70be388e694874dff16d57c2aba0670c088a529093a8cdacfc", "rgba_sha256": "9f05ad680ae6174fa1cf81b453bfa0f47f7f700d46528518e43740ace5621e3e", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "descending.ico", "route": "pillow-explicit-32", "output": "descending-pillow-explicit-32.png", "bytes": 125, "width": 32, "height": 32, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 768, "semitransparent_pixels": 256, "opaque_pixels": 0, "center_rgba": [ 220, 30, 45, 128 ], "sha256": "eca0c13372112082a048b23e5276d79c1de8fa6b782693f4b570bf3df0a5a8f0", "rgba_sha256": "07e0056e38ea3a208a970148e091eb09b79b47aa079d8fd187148e853af27a0c", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "single-32.ico", "route": "pillow-default", "output": "single-32-pillow-default.png", "bytes": 125, "width": 32, "height": 32, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 768, "semitransparent_pixels": 256, "opaque_pixels": 0, "center_rgba": [ 220, 30, 45, 128 ], "sha256": "eca0c13372112082a048b23e5276d79c1de8fa6b782693f4b570bf3df0a5a8f0", "rgba_sha256": "07e0056e38ea3a208a970148e091eb09b79b47aa079d8fd187148e853af27a0c", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "single-32.ico", "route": "ffmpeg-default", "output": "single-32-ffmpeg-default.png", "bytes": 148, "width": 32, "height": 32, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 768, "semitransparent_pixels": 256, "opaque_pixels": 0, "center_rgba": [ 220, 30, 45, 128 ], "sha256": "52f36eadb56453979968a9719159925fcbc3df28fda9bd52db745754efb6f4c4", "rgba_sha256": "07e0056e38ea3a208a970148e091eb09b79b47aa079d8fd187148e853af27a0c", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" }, { "input": "single-32.ico", "route": "pillow-explicit-32", "output": "single-32-pillow-explicit-32.png", "bytes": 125, "width": 32, "height": 32, "mode": "RGBA", "has_alpha_channel": true, "alpha_min": 0, "alpha_max": 128, "transparent_pixels": 768, "semitransparent_pixels": 256, "opaque_pixels": 0, "center_rgba": [ 220, 30, 45, 128 ], "sha256": "eca0c13372112082a048b23e5276d79c1de8fa6b782693f4b570bf3df0a5a8f0", "rgba_sha256": "07e0056e38ea3a208a970148e091eb09b79b47aa079d8fd187148e853af27a0c", "different_pixels_from_matching_input": 0, "edge_blur_measure": "Zero pixel differences proves no pixel/edge change at matching size; visual browser test not performed" } ] }