[Errno 22] Invalid argument: 'avcodec_send_frame()'

### Custom Node Testing

- [ ] I have tried disabling custom nodes and the issue persists (see [how to disable custom nodes](https://docs.comfy.org/troubleshooting/custom-node-issues#step-1%3A-test-with-all-custom-nodes-disabled) if you need help)

### Expected Behavior

Tried to generate with the official ltx 2.3 workflow - LTX-2.3_T2V_I2V_Two_Stage_Distilled.json

### Actual Behavior

Getting audio processing errors for video generation with audio (with and video saving nodes (VHS or basic save video on):

[ERROR] !!! Exception during processing !!! [Errno 22] Invalid argument: 'avcodec_send_frame()'; last error log: [aac] Input contains (near) NaN/+-Inf

### Steps to Reproduce

try using these official workflows:
https://github.com/Lightricks/ComfyUI-LTXVideo/tree/master/example_workflows/2.3

### Debug Logs

```powershell
av.error.ValueError: [Errno 22] Invalid argument: 'avcodec_send_frame()'; last error log: [aac] Input contains (near) NaN/+-Inf

# ComfyUI Error Report
## Error Details
- **Node ID:** 4852
- **Node Type:** SaveVideo
- **Exception Type:** av.error.ValueError
- **Exception Message:** av.error.ValueError: [Errno 22] Invalid argument: 'avcodec_send_frame()'; last error log: [aac] Input contains (near) NaN/+-Inf

## Stack Trace

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\execution.py", line 542, in execute
output_data, output_ui, has_subgraph, has_pending_tasks = await get_output_data(prompt_id, unique_id, obj, input_data_all, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\execution.py", line 341, in get_output_data
return_values = await _async_map_node_over_list(prompt_id, unique_id, obj, input_data_all, obj.FUNCTION, allow_interrupt=True, execution_block_cb=execution_block_cb, pre_execute_cb=pre_execute_cb, v3_data=v3_data)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\execution.py", line 315, in _async_map_node_over_list
await process_inputs(input_dict, i)

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\execution.py", line 303, in process_inputs
result = f(**inputs)
^^^^^^^^^^^

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\comfy_api\internal\__init__.py", line 149, in wrapped_func
return method(locked_class, **inputs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\comfy_api\latest\_io.py", line 1900, in EXECUTE_NORMALIZED
to_return = cls.execute(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\comfy_extras\nodes_video.py", line 115, in execute
video.save_to(

File "A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\comfy_api\latest\_input_impl\video_types.py", line 580, in save_to
output.mux(audio_stream.encode(frame))
^^^^^^^^^^^^^^^^^^^^^^^^^^

File "av/audio/stream.py", line 18, in av.audio.stream.AudioStream.encode

File "av/audio/stream.py", line 28, in av.audio.stream.AudioStream.encode

File "av/codec/context.pyx", line 411, in av.codec.context.CodecContext.encode

File "av/codec/context.pyx", line 326, in _send_frame_and_recv

File "av/error.pyx", line 424, in av.error.err_check

## System Information
- **ComfyUI Version:** 0.26.0
- **Arguments:** ComfyUI\main.py --windows-standalone-build --listen 0.0.0.0 --port 8188 --cache-none --reserve-vram 2 --disable-async-offload --disable-cuda-malloc --use-pytorch-cross-attention
- **OS:** win32
- **Python Version:** 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)]
- **Embedded Python:** true
- **PyTorch Version:** 2.9.1+cu128
## Devices

- **Name:** cuda:0 NVIDIA GeForce RTX 5090 : native
- **Type:** cuda
- **VRAM Total:** 34190458880
- **VRAM Free:** 32475316224
- **Torch VRAM Total:** 23068672
- **Torch VRAM Free:** 14548992

## Logs

2026-06-24T18:40:35.302317 - Warning: 2026-06-24T18:40:35.302317 - `ffmpeg_bin_path` is not set in `A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\was-ns\was_suite_config.json` config file. Will attempt to use system ffmpeg binaries if available.2026-06-24T18:40:35.302317 -
2026-06-24T18:40:35.721168 - WAS Node Suite: 2026-06-24T18:40:35.721168 - Finished.2026-06-24T18:40:35.721168 - 2026-06-24T18:40:35.721168 - Loaded2026-06-24T18:40:35.721168 - 2026-06-24T18:40:35.721168 - 2202026-06-24T18:40:35.721168 - 2026-06-24T18:40:35.721168 - nodes successfully.2026-06-24T18:40:35.722164 -
2026-06-24T18:40:35.722164 -
2026-06-24T18:40:35.722164 - "Everything you've ever wanted is on the other side of fear."2026-06-24T18:40:35.722164 - - George Addair2026-06-24T18:40:35.722164 -
2026-06-24T18:40:35.722164 -
2026-06-24T18:40:35.734180 - [INFO]
Import times for custom nodes:
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI_LTX-2_VRAM_Memory_Management
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\Qwen3-TTS
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\websocket_image_save.py
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-Easy-Install
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-PainterI2V
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\Nvidia_RTX_Nodes_ComfyUI
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\crt-nodes
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\Comfyui_Comfysketch_Pro
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\HeartMuLa_ComfyUI
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-easy-padding
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-qwenmultiangle
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\qweneditutils
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\reservedvram
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-inpaint-cropandstitch
2026-06-24T18:40:35.734180 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-Env-Manager
2026-06-24T18:40:35.735174 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-mxtoolkit
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2026-06-24T18:40:35.736178 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\save-image-extended-comfyui
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2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-blender
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-Multiband
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-segment-anything-2
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\tripleksampler
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2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-GIMM-VFI
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2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI_VNCCS_Utils
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-mickmumpitz-nodes
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-Video-Depth-Anything
2026-06-24T18:40:35.737176 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-VoxCPMTTS
2026-06-24T18:40:35.738178 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-QwenVL
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2026-06-24T18:40:35.738178 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-LTXVideo
2026-06-24T18:40:35.738178 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-MiniMax-Remover
2026-06-24T18:40:35.738178 - [INFO] 0.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\efficiency-nodes-comfyui
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2026-06-24T18:40:35.738178 - [INFO] 0.6 seconds (IMPORT FAILED): A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-Hunyuan3d-2-1
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2026-06-24T18:40:35.738178 - [INFO] 0.9 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\was-ns
2026-06-24T18:40:35.738178 - [INFO] 0.9 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\cocotools_io
2026-06-24T18:40:35.738178 - [INFO] 1.0 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\Comfyui-ergouzi-Nodes
2026-06-24T18:40:35.738178 - [INFO] 1.3 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfyui-depthcrafter-nodes
2026-06-24T18:40:35.738178 - [INFO] 2.9 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\comfy-mtb
2026-06-24T18:40:35.738178 - [INFO] 11.2 seconds: A:\ComfyUI\ComfyUI-Easy-Install\ComfyUI\custom_nodes\ComfyUI-DepthAnythingV3
2026-06-24T18:40:35.738178 - [INFO]
2026-06-24T18:40:35.741698 - [INFO] Context impl SQLiteImpl.
2026-06-24T18:40:35.741698 - [INFO] Will assume non-transactional DDL.
2026-06-24T18:40:35.854747 - [INFO] Disabling intermediate node cache.
2026-06-24T18:40:35.855748 - [INFO] Starting server

2026-06-24T18:40:35.855748 - [INFO] To see the GUI go to: http://0.0.0.0:8188
2026-06-24T18:40:37.313609 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /scripts/ui/components/buttonGroup.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:37.314609 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /scripts/ui.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:37.316613 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /extensions/core/clipspace.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:37.317614 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /extensions/core/groupNode.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:37.317614 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /extensions/core/widgetInputs.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:38.680636 - FETCH ComfyRegistry Data: 10/1552026-06-24T18:40:38.680636 -
2026-06-24T18:40:42.254845 - FETCH ComfyRegistry Data: 15/1552026-06-24T18:40:42.254845 -
2026-06-24T18:40:43.727526 - [WARNING] [DEPRECATION WARNING] Detected import of deprecated legacy API: /scripts/ui/components/button.js. This is likely caused by a custom node extension using outdated APIs. Please update your extensions or contact the extension author for an updated version.
2026-06-24T18:40:45.817422 - FETCH ComfyRegistry Data: 20/1552026-06-24T18:40:45.817422 -
2026-06-24T18:40:49.572446 - FETCH ComfyRegistry Data: 25/1552026-06-24T18:40:49.573445 -
2026-06-24T18:40:51.046237 - [INFO] got prompt
2026-06-24T18:40:51.270339 - [INFO] VAE load device: cuda:0, offload device: cpu, dtype: torch.float32
2026-06-24T18:40:51.602749 - [INFO] model weight dtype torch.bfloat16, manual cast: None
2026-06-24T18:40:51.612286 - [INFO] model_type FLUX
2026-06-24T18:40:52.055332 - [INFO] VAE load device: cuda:0, offload device: cpu, dtype: torch.bfloat16
2026-06-24T18:40:52.056834 - [WARNING] no CLIP/text encoder weights in checkpoint, the text encoder model will not be loaded.
2026-06-24T18:40:52.130786 - [INFO] Found quantization metadata version 1
2026-06-24T18:40:52.133786 - [INFO] Using MixedPrecisionOps for text encoder
2026-06-24T18:40:52.901861 - [INFO] CLIP/text encoder model load device: cuda:0, offload device: cpu, current: cpu, dtype: torch.float16
2026-06-24T18:40:52.908150 - [INFO] Requested to load LTXAVTEModel_
2026-06-24T18:40:52.985277 - [INFO] Model LTXAVTEModel_ prepared for dynamic VRAM loading. 14784MB Staged. 0 patches attached. Force pre-loaded 400 weights: 1745 KB.
2026-06-24T18:40:53.716115 - FETCH ComfyRegistry Data: 30/1552026-06-24T18:40:53.717110 -
2026-06-24T18:40:56.451033 - [INFO] Model LTXAVTEModel_ prepared for dynamic VRAM loading. 14784MB Staged. 0 patches attached. Force pre-loaded 400 weights: 1745 KB.
2026-06-24T18:40:57.356718 - [INFO] Requested to load LTXAV
2026-06-24T18:40:57.559231 - [INFO] Model LTXAV prepared for dynamic VRAM loading. 40050MB Staged. 1660 patches attached. Force pre-loaded 608 weights: 3303 KB.
2026-06-24T18:40:57.737155 - FETCH ComfyRegistry Data: 35/1552026-06-24T18:40:57.737155 -
2026-06-24T18:40:59.041433 -
0%| | 0/8 [00:00

Start with comfy_extras/nodes_video.py and comfy_api/latest/_input_impl/video_types.py, especially the SaveVideo path that calls audio_stream.encode(frame). Reproduce the failure with the official LTX-2.3 workflows and inspect the reported AAC NaN/+-Inf error; done means video generation with audio completes without the avcodec_send_frame exception.

Written by the indexing model from the issue text.