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Add GPU (NVENC AV1) webm format and save_latent toggle to FastAbsoluteSaver

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- nvenc_av1-webm: GPU-encoded webm via av1_nvenc (NVENC has no VP9
  encoder); uses libopus since webm rejects AAC audio.
- save_latent boolean gates the latent sidecar write while keeping the
  latent passthrough intact.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Ethanfel
2026-07-09 13:41:06 +02:00
co-authored by Claude Opus 4.8
parent 39997b1d34
commit 04be690a15
2 changed files with 23 additions and 5 deletions
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fast_saver.py
+10 -4
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@@ -139,6 +139,10 @@ VIDEO_FORMATS = {
"nvenc_av1-mp4": {"ext": ".mp4", "codec": ["-c:v", "av1_nvenc"],
"quality": "bitrate", "color_mgmt": True, "acodec": "aac",
"extra": ["-movflags", "+faststart"]},
# GPU webm: NVENC has no VP9 encoder, so use AV1 (a valid WebM codec) on the GPU.
# WebM containers only allow Opus/Vorbis audio, not AAC.
"nvenc_av1-webm":{"ext": ".webm", "codec": ["-c:v", "av1_nvenc"],
"quality": "bitrate", "color_mgmt": True, "acodec": "libopus"},
}
@@ -164,7 +168,8 @@ class FastAbsoluteSaver:
# --- FORMAT SWITCH ---
"save_format": (["png", "webp", "mp4", "webm", "h265-mp4", "av1-mp4", "gif",
"ffv1-mkv", "prores-mov", "nvenc_h264-mp4", "nvenc_hevc-mp4", "nvenc_av1-mp4"], ),
"ffv1-mkv", "prores-mov", "nvenc_h264-mp4", "nvenc_hevc-mp4", "nvenc_av1-mp4",
"nvenc_av1-webm"], ),
# --- NAMING CONTROL ---
"use_timestamp": ("BOOLEAN", {"default": False, "label": "Add Timestamp (Unique)"}),
@@ -176,6 +181,7 @@ class FastAbsoluteSaver:
"metadata_key": ("STRING", {"default": "sharpness_score"}),
"save_workflow_metadata": ("BOOLEAN", {"default": False, "label": "Save ComfyUI Workflow (Graph)"}),
"save_metadata_png": ("BOOLEAN", {"default": False, "label": "Embed Workflow in PNG (sidecar or first file)"}),
"save_latent": ("BOOLEAN", {"default": True, "label": "Save Latent Sidecar"}),
# --- PERFORMANCE ---
"max_threads": ("INT", {"default": 0, "min": 0, "max": 128, "step": 1, "label": "Max Threads (0=Auto)"}),
@@ -504,7 +510,7 @@ class FastAbsoluteSaver:
return out_file
def save_images_fast(self, images, output_path, filename_prefix, save_format, use_timestamp, auto_increment, counter_digits,
max_threads, filename_with_score, metadata_key, save_workflow_metadata, save_metadata_png,
max_threads, filename_with_score, metadata_key, save_workflow_metadata, save_metadata_png, save_latent,
webp_lossless, webp_quality, webp_method,
video_fps, video_crf, video_pixel_format,
video_bitrate, prores_profile, gif_dither,
@@ -538,7 +544,7 @@ class FastAbsoluteSaver:
extra_data=extra_pnginfo,
bitrate=video_bitrate, prores_profile=prores_profile,
gif_dither=gif_dither, audio=audio)
if latent is not None:
if latent is not None and save_latent:
self._save_latent_sidecar(latent, out_file)
# Save metadata sidecar PNG next to the video file
if save_metadata_png:
@@ -612,7 +618,7 @@ class FastAbsoluteSaver:
if future.result():
saved_image_paths.append(full_path)
if latent is not None:
if latent is not None and save_latent:
for image_path in saved_image_paths:
self._save_latent_sidecar(latent, image_path)