Switch LTXVPreprocess to libx264 (Comfy-Org#7776)

comfyanonymous · web-flow · commit 5acb7058577c · 2025-04-24T13:58:31.000-04:00
diff --git a/comfy_extras/nodes_lt.py b/comfy_extras/nodes_lt.py
@@ -385,7 +385,7 @@ def encode_single_frame(output_file, image_array: np.ndarray, crf):
     container = av.open(output_file, "w", format="mp4")
     try:
         stream = container.add_stream(
-            "h264", rate=1, options={"crf": str(crf), "preset": "veryfast"}
+            "libx264", rate=1, options={"crf": str(crf), "preset": "veryfast"}
         )
         stream.height = image_array.shape[0]
         stream.width = image_array.shape[1]

Original file line number	Diff line number	Diff line change
`@@ -385,7 +385,7 @@ def encode_single_frame(output_file, image_array: np.ndarray, crf):`
`385`	`385`	`container = av.open(output_file, "w", format="mp4")`
`386`	`386`	`try:`
`387`	`387`	`stream = container.add_stream(`
`388`		`- "h264", rate=1, options={"crf": str(crf), "preset": "veryfast"}`
	`388`	`+ "libx264", rate=1, options={"crf": str(crf), "preset": "veryfast"}`
`389`	`389`	`)`
`390`	`390`	`stream.height = image_array.shape[0]`
`391`	`391`	`stream.width = image_array.shape[1]`