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Ltx2.3 i2v training and sample frames with fixed fps (#1339)

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* add 2.3 i2v training scripts

* add frame resampling by fixed fps

* LoadVideo: add compatibility for not fix_frame_rate

* refactor frame resampler

* minor fix
This commit is contained in:
Hong Zhang
2026-03-09 20:32:02 +08:00
committed by GitHub
parent 7bc5611fb8
commit b272253956
12 changed files with 256 additions and 26 deletions
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diffsynth/pipelines/ltx2_audio_video.py
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@@ -436,7 +436,7 @@ class LTX2AudioVideoUnit_InputImagesEmbedder(PipelineUnit):
frame_conditions.update({"input_latents_video": input_latents_video, "denoise_mask_video": denoise_mask_video})
return frame_conditions
def process(self, pipe: LTX2AudioVideoPipeline, input_images, input_images_indexes, input_images_strength, video_latents, height, width, tiled, tile_size_in_pixels, tile_overlap_in_pixels, use_two_stage_pipeline=False):
def process(self, pipe: LTX2AudioVideoPipeline, input_images, video_latents, height, width, tiled, tile_size_in_pixels, tile_overlap_in_pixels, input_images_indexes=[0], input_images_strength=1.0, use_two_stage_pipeline=False):
if input_images is None or len(input_images) == 0:
return {}
else: