attempt denoise/encode composite

.specstory/history/2025-10-09_18-12Z-encode-large-image-sequence-with-ffmpeg.md

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+<!-- Generated by SpecStory -->
+
+<!-- cursor Session c94f4a58-8269-4d9c-960c-470f5a0bd4c7 (2025-10-09 18:12Z) -->
+
+# Encode large image sequence with ffmpeg (2025-10-09 18:12Z)
+
+_**User (2025-10-29 04:20Z)**_
+
+losslessly encode the freakishly large image sequence in D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark to E:\3_background_dark using ffmpeg, nvidia nvenc with CQ=0. 60fps.
+
+---
+
+_**Assistant (default)**_
+
+
+
+---
+
+
+Checking the source image sequence to identify the format and frame range.
+
+
+---
+
+Tool use: **list_dir**
+
+<details>
+            <summary>Listed directory undefined • **0** results</summary>
+        
+No results found
+</details>
+
+---
+
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+dir "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark" | Select-Object -First 5
+```
+
+```
+
+    Directory: D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark
+
+Mode                 LastWriteTime         Length Name
+----                 -------------         ------ ----
+-a---          10/26/2025  2:33 PM       49803735 3_background_dark_0000.png
+-a---          10/26/2025 12:17 PM       49803388 3_background_dark_0001.png
+-a---          10/26/2025  1:19 PM       49799657 3_background_dark_0002.png
+-a---          10/26/2025  9:56 AM       49800635 3_background_dark_0003.png
+-a---          10/26/2025  1:39 PM       49806719 3_background_dark_0004.png
+
+```
+
+---
+
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+dir "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark" | Select-Object -Last 5
+```
+
+```
+
+    Directory: D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark
+
+Mode                 LastWriteTime         Length Name
+----                 -------------         ------ ----
+-----          10/27/2025 12:37 AM       49805765 3_background_dark_9995.png
+-----          10/26/2025 11:21 PM       49805316 3_background_dark_9996.png
+-----          10/26/2025  9:46 PM       49808654 3_background_dark_9997.png
+-----          10/27/2025 12:13 AM       49806734 3_background_dark_9998.png
+-----          10/26/2025 11:34 PM       49805629 3_background_dark_9999.png
+
+```
+
+---
+
+
+
+---
+
+Image sequence goes from `0000` to `9999` (10,000 frames); each frame is ~50MB.
+
+
+---
+
+Tool use: **create_plan**
+
+---
+
+_**User (2025-10-29 04:20Z)**_
+
+No. There are 14,401 frames. I want nvenc hevc in an mp4 container. Is the preset slow, or is it 7? I forget what the exact arguments are.
+
+---
+
+_**Assistant (default)**_
+
+
+
+---
+
+
+Verifying the exact frame range and NVENC preset syntax. Updating the plan.
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Measure-Object | Select-Object -ExpandProperty Count
+```
+
+```
+14401
+
+```
+
+---
+
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+$frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png"; Write-Host "First: $($frames[0].BaseName)"; Write-Host "Last: $($frames[-1].BaseName)"
+```
+
+```
+First: 3_background_dark_0000
+Last: 3_background_dark_9999
+
+```
+
+---
+
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+$frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name; Write-Host "Start: $($frames[0].Name)"; Write-Host "End: $($frames[-1].Name)"; Write-Host "Total count: $($frames.Count)"
+```
+
+```
+Start: 3_background_dark_0000.png
+End: 3_background_dark_9999.png
+Total count: 14401
+
+```
+
+---
+
+_**User (2025-10-29 04:20Z)**_
+
+you might as well do all 14401 frames.
+
+---
+
+_**Assistant (default)**_
+
+
+
+---
+
+
+Checking ffmpeg NVENC HEVC preset syntax. Updating the plan to use the full 14,401 frames in an MP4 container.
+
+
+---
+
+Received invalid string to replace in plan
+
+---
+
+
+
+---
+
+Tool use: **create_plan**
+
+---
+
+_**User (2025-10-29 04:20Z)**_
+
+No, process all 14401 frames.
+
+---
+
+_**Assistant (default)**_
+
+
+
+---
+
+
+Command uses `%04d.png` which only captures frames 0000–9999, missing the rest. Checking for five-digit frame numbers.
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Where-Object { $_.Name -match '_\d{5}\.' } | Select-Object Name -First 10
+```
+
+```
+
+
+```
+
+---
+
+
+
+---
+
+Tool use: **run_terminal_cmd**
+
+```bash
+$frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name; Write-Host "Unique count: $($frames | Select-Object -ExpandProperty BaseName -Unique | Measure-Object | Select-Object -ExpandProperty Count)"
+```
+
+---
+
+
+
+---
+