611 lines
18 KiB
Markdown
611 lines
18 KiB
Markdown
<!-- Generated by SpecStory, Markdown v2.1.0 -->
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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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_**Agent (model default, mode Plan)**_
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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 data-tool-type="generic" data-tool-name="list_dir">
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<details>
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<summary>Tool use: **list_dir** • Listed directory, 0 results</summary>
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No results found
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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: dir "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark" | Select-Object -First 5</summary>
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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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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: dir "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark" | Select-Object -Last 5</summary>
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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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</details>
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</tool-use>
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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 data-tool-type="unknown" data-tool-name="create_plan">
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<details>
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<summary>Tool use: **create_plan**</summary>
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Parameters:
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```json
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{
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"plan": "# Encode Image Sequence with Lossless NVENC\n\nEncode 10,000 frames from `3_background_dark` directory to lossless H.265 video using NVENC.\n\n## Tasks\n\n1. Create the ffmpeg command with these parameters:\n - Input pattern: `3_background_dark_%04d.png` (frames 0000-9999)\n - Input directory: `D:\\2025-02 BondingArtifact\\Renders\\3_background\\2025-10-26\\3_background_dark`\n - Output path: `E:\\3_background_dark.mkv` (or .mp4 if preferred)\n - Encoder: `h264_nvenc` with `-cq:v 0` for lossless (or `hevc_nvenc` for H.265)\n - Framerate: `-r 60`\n \n2. Execute the encoding command:\n```bash\nffmpeg -y -framerate 60 -i \"D:\\2025-02 BondingArtifact\\Renders\\3_background\\2025-10-26\\3_background_dark\\3_background_dark_%04d.png\" -c:v hevc_nvenc -cq:v 0 -preset slow -r 60 -pix_fmt yuv420p \"E:\\3_background_dark.mkv\"\n```\n\n## Important Considerations\n\n- **File size**: With 10,000 frames at ~50MB each, the output will be very large (several hundred GB to over 1TB)\n- **Encoding time**: Will take many hours depending on GPU\n- **Output format**: Using `.mkv` as it handles lossless streams better than `.mp4`, but `.mp4` is also possible\n\n**Questions to confirm**:\n1. Do you want H.265/HEVC (`hevc_nvenc`) or H.264 (`h264_nvenc`)? H.265 is more efficient for lossless encoding.\n2. Output format: `.mkv` or `.mp4`? (MKV recommended for lossless)\n3. Should I use `-preset slow` for better compression ratio, or another preset?\n\nDefaulting to HEVC in MKV with preset slow.",
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"name": "Encode image sequence losslessly",
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"todos": [
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{
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"content": "Build the ffmpeg command with correct input pattern and NVENC lossless settings",
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"status": "pending",
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"id": "1"
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},
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{
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"content": "Execute the encoding command to process all 10,000 frames",
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"status": "pending",
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"id": "2"
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},
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{
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"content": "Monitor progress and verify output file creation",
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"status": "pending",
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"id": "3"
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}
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],
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"overview": "Losslessly encode the 10,000 frame PNG sequence to H.265 using NVENC CQ=0 at 60fps"
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}
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```
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Additional data:
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```json
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{
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"status": "pending",
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"reviewData": {
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"status": "Requested",
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"selectedOption": "none",
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"isShowingInput": false
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}
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}
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```
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Result:
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```json
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{
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"rejected": {}
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}
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```
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Status: **completed**
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</details>
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</tool-use>
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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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_**Agent (model default, mode Plan)**_
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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 data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Measure-Object | Select-Object -ExpandProperty Count</summary>
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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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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: $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)"</summary>
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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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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: $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)"</summary>
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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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</details>
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</tool-use>
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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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_**Agent (model default, mode Plan)**_
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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 data-tool-type="unknown" data-tool-name="create_plan">
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<details>
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<summary>Tool use: **create_plan**</summary>
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Parameters:
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```json
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{
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"plan": "# Encode Image Sequence with Lossless NVENC\n\nEncode all 14,401 frames from `3_background_dark` directory to lossless HEVC video using NVENC in MP4 container.\n\n## Command\n\n```bash\nffmpeg -y -framerate 60 -i \"D:\\2025-02 BondingArtifact\\Renders\\3_background\\2025-10-26\\3_background_dark\\3_background_dark_%04d.png\" -c:v hevc_nvenc -cq:v 0 -preset p7 -r 60 -pix_fmt yuv420p \"E:\\3_background_dark.mp4\"\n```\n\n**Parameters**:\n- Input: 14,401 PNG frames using pattern `3_background_dark_%04d.png`\n- Encoder: `hevc_nvenc` (NVENC HEVC)\n- Quality: `-cq:v 0` (lossless)\n- Preset: `-preset p7` (slowest preset for best compression)\n- Framerate: 60fps\n- Output: MP4 container\n- Pixel format: `yuv420p` (required for MP4 compatibility)\n\n**Note on preset**: For NVENC HEVC, use `-preset p7` (numeric) for slowest encoding with best compression, or `-preset slow` (named preset). Both work with lossless CQ=0; the preset only affects encoding speed.",
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"name": "Encode image sequence losslessly",
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"todos": [
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{
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"content": "Execute the ffmpeg encoding command to process all 14,401 frames",
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"status": "pending",
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"id": "1"
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},
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{
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"content": "Monitor progress and verify output file creation",
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"status": "pending",
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"id": "2",
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"dependencies": [
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"1"
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]
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}
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],
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"overview": "Losslessly encode the 10,000 frame PNG sequence to H.265 using NVENC CQ=0 at 60fps"
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}
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```
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Additional data:
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```json
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{
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"status": "pending",
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"reviewData": {
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"status": "Requested",
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"selectedOption": "none",
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"isShowingInput": false
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}
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}
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```
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Result:
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```json
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{
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"rejected": {}
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}
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```
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Status: **completed**
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</details>
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</tool-use>
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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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_**Agent (model default, mode Plan)**_
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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 data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: 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</summary>
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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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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: $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)"</summary>
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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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Unique count: 14401
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```
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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: $frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name; $lastFrame = $frames[-1].BaseName; Write-Host "Last frame: $lastFrame"; if ($lastFrame -match '_(\d+)$') { $num = [int]$matches[1]; Write-Host "Last number: $num"; Write-Host "Need %05d pattern" }</summary>
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```bash
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$frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name; $lastFrame = $frames[-1].BaseName; Write-Host "Last frame: $lastFrame"; if ($lastFrame -match '_(\d+)$') { $num = [int]$matches[1]; Write-Host "Last number: $num"; Write-Host "Need %05d pattern" }
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```
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```
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Last frame: 3_background_dark_9999
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Last number: 9999
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Need %05d pattern
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```
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</details>
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</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: $frames = Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name; $numbers = $frames | ForEach-Object { if ($_.BaseName -match '_(\d+)$') { [int]$matches[1] } }; Write-Host "Min: $($numbers | Measure-Object -Minimum | Select-Object -ExpandProperty Minimum)"; Write-Host "Max: $($numbers | Measure-Object -Maximum | Select-Object -ExpandProperty Maximum)"; Write-Host "Count: $($numbers.Count)"</summary>
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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; $numbers = $frames | ForEach-Object { if ($_.BaseName -match '_(\d+)$') { [int]$matches[1] } }; Write-Host "Min: $($numbers | Measure-Object -Minimum | Select-Object -ExpandProperty Minimum)"; Write-Host "Max: $($numbers | Measure-Object -Maximum | Select-Object -ExpandProperty Maximum)"; Write-Host "Count: $($numbers.Count)"
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```
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```
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Min: 0
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Max: 14400
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Count: 14401
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```
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</details>
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</tool-use>
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---
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---
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Frames span 0000–14400. Verifying files with 5-digit numbers:
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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<details><summary>Tool use: **run_terminal_cmd** • Run command: Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\3_background_dark_*.png" | Where-Object { $_.Name -like '*_1*' } | Select-Object -First 5 Name</summary>
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```bash
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Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\3_background_dark_*.png" | Where-Object { $_.Name -like '*_1*' } | Select-Object -First 5 Name
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```
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```
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```
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</details>
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||
</tool-use>
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---
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---
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<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
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||
<details><summary>Tool use: **run_terminal_cmd** • Run command: Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name | Select-Object -Last 10 Name</summary>
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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" | Sort-Object Name | Select-Object -Last 10 Name
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||
```
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||
```
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||
```
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||
</details>
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||
</tool-use>
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---
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---
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||
<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
|
||
<details><summary>Tool use: **run_terminal_cmd** • Run command: Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name | Select-Object -Last 10 | ForEach-Object { $_.Name }</summary>
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||
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```bash
|
||
Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | Sort-Object Name | Select-Object -Last 10 | ForEach-Object { $_.Name }
|
||
```
|
||
|
||
```
|
||
3_background_dark_9990.png
|
||
3_background_dark_9991.png
|
||
3_background_dark_9992.png
|
||
3_background_dark_9993.png
|
||
3_background_dark_9994.png
|
||
3_background_dark_9995.png
|
||
3_background_dark_9996.png
|
||
3_background_dark_9997.png
|
||
3_background_dark_9998.png
|
||
3_background_dark_9999.png
|
||
|
||
```
|
||
</details>
|
||
</tool-use>
|
||
|
||
---
|
||
|
||
|
||
|
||
---
|
||
|
||
<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
|
||
<details><summary>Tool use: **run_terminal_cmd** • Run command: Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | ForEach-Object { if ($_.BaseName -match '_(\d+)$') { [int]$matches[1] } } | Sort-Object | Select-Object -Last 20</summary>
|
||
|
||
```bash
|
||
Get-ChildItem "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\*.png" | ForEach-Object { if ($_.BaseName -match '_(\d+)$') { [int]$matches[1] } } | Sort-Object | Select-Object -Last 20
|
||
```
|
||
|
||
```
|
||
14381
|
||
14382
|
||
14383
|
||
14384
|
||
14385
|
||
14386
|
||
14387
|
||
14388
|
||
14389
|
||
14390
|
||
14391
|
||
14392
|
||
14393
|
||
14394
|
||
14395
|
||
14396
|
||
14397
|
||
14398
|
||
14399
|
||
14400
|
||
|
||
```
|
||
</details>
|
||
</tool-use>
|
||
|
||
---
|
||
|
||
|
||
|
||
---
|
||
|
||
<tool-use data-tool-type="shell" data-tool-name="run_terminal_cmd">
|
||
<details><summary>Tool use: **run_terminal_cmd** • Run command: Test-Path "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\3_background_dark_14400.png"</summary>
|
||
|
||
```bash
|
||
Test-Path "D:\2025-02 BondingArtifact\Renders\3_background\2025-10-26\3_background_dark\3_background_dark_14400.png"
|
||
```
|
||
|
||
```
|
||
True
|
||
|
||
```
|
||
</details>
|
||
</tool-use>
|
||
|
||
---
|
||
|
||
|
||
|
||
---
|
||
|
||
Frames run 0000–14400 (14,401). Switching to a flexible pattern that handles both 4-digit padded and 5-digit names. Updating the plan:
|
||
|
||
|
||
---
|
||
|
||
<tool-use data-tool-type="unknown" data-tool-name="create_plan">
|
||
<details>
|
||
<summary>Tool use: **create_plan**</summary>
|
||
|
||
|
||
Parameters:
|
||
|
||
```json
|
||
{
|
||
"plan": "# Encode Image Sequence with Lossless NVENC\n\nEncode all 14,401 frames from `3_background_dark` directory to lossless HEVC video using NVENC in MP4 container.\n\n## Command\n\n```bash\nffmpeg -y -framerate 60 -start_number 0 -i \"D:\\2025-02 BondingArtifact\\Renders\\3_background\\2025-10-26\\3_background_dark\\3_background_dark_%05d.png\" -c:v hevc_nvenc -cq:v 0 -preset p7 -r 60 -pix_fmt yuv420p \"E:\\3_background_dark.mp4\"\n```\n\n**Parameters**:\n- Input pattern: `3_background_dark_%05d.png` (captures frames 00000-14400)\n- Input directory: `D:\\2025-02 BondingArtifact\\Renders\\3_background\\2025-10-26\\3_background_dark`\n- Encoder: `hevc_nvenc` (NVENC HEVC)\n- Quality: `-cq:v 0` (lossless)\n- Preset: `-preset p7` (slowest preset for best compression)\n- Framerate: 60fps\n- Output: MP4 container at `E:\\3_background_dark.mp4`\n- Pixel format: `yuv420p` (required for MP4 compatibility)\n- Start number: 0 (tells ffmpeg to start from frame 0)",
|
||
"name": "Encode image sequence losslessly",
|
||
"todos": [
|
||
{
|
||
"content": "Execute the ffmpeg encoding command to process all 14,401 frames",
|
||
"status": "pending",
|
||
"id": "1"
|
||
},
|
||
{
|
||
"content": "Monitor progress and verify output file creation",
|
||
"status": "pending",
|
||
"id": "2",
|
||
"dependencies": [
|
||
"1"
|
||
]
|
||
}
|
||
],
|
||
"overview": "Losslessly encode the 10,000 frame PNG sequence to H.265 using NVENC CQ=0 at 60fps"
|
||
}
|
||
```
|
||
Additional data:
|
||
|
||
```json
|
||
{
|
||
"status": "pending",
|
||
"reviewData": {
|
||
"status": "Requested",
|
||
"selectedOption": "none",
|
||
"isShowingInput": false
|
||
}
|
||
}
|
||
```
|
||
Result:
|
||
|
||
```json
|
||
{
|
||
"rejected": {}
|
||
}
|
||
```
|
||
Status: **completed**
|
||
|
||
|
||
</details>
|
||
</tool-use>
|
||
|
||
---
|
||
|