Update README.md

README.md

@@ -35,3 +35,50 @@ We're excited to introduce the **CausalWan2.2 I2V A14B series**—a new line of
 
 - 8-step inference is supported.
 - Try it out on **FastVideo** — we support a wide range of GPUs from **H100** to **4090**, and also support **Mac** users!
+
+## Inference code
+
+```python
+from fastvideo import VideoGenerator, SamplingParam
+import json
+# from fastvideo.configs.sample import SamplingParam
+
+OUTPUT_PATH = "video_samples_self_forcing_causal_wan2_2_14B_i2v"
+def main():
+    # FastVideo will automatically use the optimal default arguments for the
+    # model.
+    # If a local path is provided, FastVideo will make a best effort
+    # attempt to identify the optimal arguments.
+    generator = VideoGenerator.from_pretrained(
+        "FastVideo/SFWan2.2-I2V-A14B-Preview-Diffusers",
+        # FastVideo will automatically handle distributed setup
+        num_gpus=1,
+        use_fsdp_inference=True,
+        dit_cpu_offload=True, # DiT need to be offloaded for MoE
+        dit_precision="fp32",
+        vae_cpu_offload=False,
+        text_encoder_cpu_offload=True,
+        dmd_denoising_steps=[1000, 850, 700, 550, 350, 275, 200, 125],
+        # Set pin_cpu_memory to false if CPU RAM is limited and there're no frequent CPU-GPU transfer
+        pin_cpu_memory=True,
+        # image_encoder_cpu_offload=False,
+    )
+
+    sampling_param = SamplingParam.from_pretrained("FastVideo/SFWan2.2-I2V-A14B-Preview-Diffusers")
+    sampling_param.num_frames = 73
+    sampling_param.width = 832
+    sampling_param.height = 480
+    sampling_param.seed = 1000
+
+    with open("prompts/mixkit_i2v.jsonl", "r") as f:
+        prompt_image_pairs = json.load(f)
+
+    for prompt_image_pair in prompt_image_pairs:
+        prompt = prompt_image_pair["prompt"]
+        image_path = prompt_image_pair["image_path"]
+        _ = generator.generate_video(prompt, image_path=image_path, output_path=OUTPUT_PATH, save_video=True, sampling_param=sampling_param)
+
+
+if __name__ == "__main__":
+    main()
+```