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