Added Video feature

But still have some issue
・key_color for background becomes dark

app.py

@@ -4,25 +4,35 @@ import torch.nn.functional as F
 from torchvision.transforms.functional import normalize
 from huggingface_hub import hf_hub_download
 import gradio as gr
-from gradio_imageslider import ImageSlider
+
+# from gradio_imageslider import ImageSlider
 from briarmbg import BriaRMBG
 import PIL
 from PIL import Image
 from typing import Tuple
 
-net=BriaRMBG()
+import cv2
+import os
+import shutil
+import glob
+from tqdm import tqdm
+import subprocess
+
+net = BriaRMBG()
 # model_path = "./model1.pth"
-model_path = hf_hub_download("briaai/RMBG-1.4", 'model.pth')
+model_path = hf_hub_download("briaai/RMBG-1.4", "model.pth")
 if torch.cuda.is_available():
     net.load_state_dict(torch.load(model_path))
-    net=net.cuda()
+    net = net.cuda()
+    print("GPU is available")
 else:
-    net.load_state_dict(torch.load(model_path,map_location="cpu"))
-net.eval() 
+    net.load_state_dict(torch.load(model_path, map_location="cpu"))
+    print("GPU is NOT available")
+net.eval()
+
 
-    
 def resize_image(image):
-    image = image.convert('RGB')
+    image = image.convert("RGB")
     model_input_size = (1024, 1024)
     image = image.resize(model_input_size, Image.BILINEAR)
     return image
@@ -32,28 +42,28 @@ def process(image):
 
     # prepare input
     orig_image = Image.fromarray(image)
-    w,h = orig_im_size = orig_image.size
+    w, h = orig_im_size = orig_image.size
     image = resize_image(orig_image)
     im_np = np.array(image)
-    im_tensor = torch.tensor(im_np, dtype=torch.float32).permute(2,0,1)
-    im_tensor = torch.unsqueeze(im_tensor,0)
-    im_tensor = torch.divide(im_tensor,255.0)
-    im_tensor = normalize(im_tensor,[0.5,0.5,0.5],[1.0,1.0,1.0])
+    im_tensor = torch.tensor(im_np, dtype=torch.float32).permute(2, 0, 1)
+    im_tensor = torch.unsqueeze(im_tensor, 0)
+    im_tensor = torch.divide(im_tensor, 255.0)
+    im_tensor = normalize(im_tensor, [0.5, 0.5, 0.5], [1.0, 1.0, 1.0])
     if torch.cuda.is_available():
-        im_tensor=im_tensor.cuda()
+        im_tensor = im_tensor.cuda()
 
-    #inference
-    result=net(im_tensor)
+    # inference
+    result = net(im_tensor)
     # post process
-    result = torch.squeeze(F.interpolate(result[0][0], size=(h,w), mode='bilinear') ,0)
+    result = torch.squeeze(F.interpolate(result[0][0], size=(h, w), mode="bilinear"), 0)
     ma = torch.max(result)
     mi = torch.min(result)
-    result = (result-mi)/(ma-mi)    
+    result = (result - mi) / (ma - mi)
     # image to pil
-    im_array = (result*255).cpu().data.numpy().astype(np.uint8)
+    im_array = (result * 255).cpu().data.numpy().astype(np.uint8)
     pil_im = Image.fromarray(np.squeeze(im_array))
     # paste the mask on the original image
-    new_im = Image.new("RGBA", pil_im.size, (0,0,0,0))
+    new_im = Image.new("RGBA", pil_im.size, (0, 0, 0, 0))
     new_im.paste(orig_image, mask=pil_im)
     # new_orig_image = orig_image.convert('RGBA')
 
@@ -61,46 +71,161 @@ def process(image):
     # return [new_orig_image, new_im]
 
 
-# block = gr.Blocks().queue()
+def process_video(video, key_color):
+    workspace = "./temp"
+    original_video_name_without_ext = os.path.splitext(os.path.basename(video))[0]
+
+    os.makedirs(workspace, exist_ok=True)
+    os.makedirs(f"{workspace}/frames", exist_ok=True)
+    os.makedirs(f"{workspace}/result", exist_ok=True)
+
+    video_file = cv2.VideoCapture(video)
+    fps = video_file.get(cv2.CAP_PROP_FPS)
+
+    # まず、videoを読み込んで、./frames/にフレームを保存する
+    # fase, load video and save frames to ./frames/
+    def extract_frames():
+        success, frame = video_file.read()
+        frame_num = 0
+        with tqdm(
+            total=None,
+            desc="Extracting frames",
+        ) as pbar:
+            while success:
+                file_name = f"{workspace}/frames/{frame_num:015d}.png"
+                cv2.imwrite(file_name, frame)
+                success, frame = video_file.read()
+                frame_num += 1
+                pbar.update(1)
+        video_file.release()
+        return
+
+    extract_frames()
+
+    # それぞれのフレームに対して処理を行う
+    # process each frame
+    def process_frame(frame_file):
+        image = cv2.imread(frame_file)
+        image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
+        new_image = process(image)
+        # key_colorを背景にする
+        # set key_color as background
+        key_back_image = Image.new("RGBA", new_image.size, key_color)
+        new_image = Image.alpha_composite(key_back_image, new_image)
+        new_image.save(frame_file)
+
+    frame_files = sorted(glob.glob(f"{workspace}/frames/*.png"))
+    with tqdm(total=len(frame_files), desc="Processing frames") as pbar:
+        for file in frame_files:
+            process_frame(file)
+            pbar.update(1)
+
+    # frameからvideoを作成
+    # create video from frames
+    # first_frame = cv2.imread(frame_files[0])
+    # h, w, _ = first_frame.shape
+    # fourcc = cv2.VideoWriter_fourcc(*"avc1")
+    # new_video = cv2.VideoWriter(f"{workspace}/result/video.mp4", fourcc, fps, (w, h))
+
+    # for file in frame_files:
+    #     image = cv2.imread(file)
+    #     new_video.write(image)
+    # new_video.release()
+
+    # 上のコードをffmpegで置き換え
+    # replace the above code with ffmpeg
+    subprocess.run(
+        f'ffmpeg -r {fps} -i {workspace}/frames/%015d.png -c:v libx264 -vf "fps={fps},format=yuv420p" {workspace}/result/video.mp4 -hide_banner -loglevel error -y',
+        shell=True,
+        check=True,
+    )
+    # issue
+    # なぜかkey_colorの背景色が暗くなる
+    # idk why but key_color background color becomes dark
 
-# with block:
-#     gr.Markdown("## BRIA RMBG 1.4")
-#     gr.HTML('''
-#       <p style="margin-bottom: 10px; font-size: 94%">
-#         This is a demo for BRIA RMBG 1.4 that using
-#         <a href="https://huggingface.co/briaai/RMBG-1.4" target="_blank">BRIA RMBG-1.4 image matting model</a> as backbone. 
-#       </p>
-#     ''')
-#     with gr.Row():
-#         with gr.Column():
-#             input_image = gr.Image(sources=None, type="pil") # None for upload, ctrl+v and webcam
-#             # input_image = gr.Image(sources=None, type="numpy") # None for upload, ctrl+v and webcam
-#             run_button = gr.Button(value="Run")
-            
-#         with gr.Column():
-#             result_gallery = gr.Gallery(label='Output', show_label=False, elem_id="gallery", columns=[1], height='auto')
-#     ips = [input_image]
-#     run_button.click(fn=process, inputs=ips, outputs=[result_gallery])
+    subprocess.run(
+        f'ffmpeg -i {workspace}/result/video.mp4 -i "{video}" -c:v copy -c:a aac -strict experimental -map 0:v:0 -map 1:a:0 -shortest "./video_result/{original_video_name_without_ext}_BGremoved.mp4" -hide_banner -loglevel error -y',
+        shell=True,
+        check=True,
+    )
 
-# block.launch(debug = True)
+    # 本当は透過の動画が良かったけど互換性がないのでボツ
+    # I wanted to make a transparent video, but it's not compatible, so I gave up
+    # subprocess.run(
+    #     f'ffmpeg -framerate {fps} -i {workspace}/frames/%015d.png -auto-alt-ref 0 -c:v libvpx "./video_result/{original_video_name_without_ext}_BGremoved.webm" -hide_banner -loglevel error -y',
+    #     shell=True,
+    #     check=True,
+    # )
+    # クロマキー用なので音声いらないじゃん
+    # audio is not needed
+
+    # subprocess.run(
+    #     f'ffmpeg -i "./video_result/{original_video_name_without_ext}_BGremoved.webm" -c:v libx264 -c:a aac -strict experimental -b:a 192k ./demo/demo.mp4 -hide_banner -loglevel error -y',
+    #     shell=True,
+    #     check=True,
+    # )
+
+    # ゴミ削除
+    # remove garbage
+    shutil.rmtree(workspace)
+
+    return f"./video_result/{original_video_name_without_ext}_BGremoved.mp4"
 
-# block = gr.Blocks().queue()
 
 gr.Markdown("## BRIA RMBG 1.4")
-gr.HTML('''
+gr.HTML(
+    """
   <p style="margin-bottom: 10px; font-size: 94%">
     This is a demo for BRIA RMBG 1.4 that using
     <a href="https://huggingface.co/briaai/RMBG-1.4" target="_blank">BRIA RMBG-1.4 image matting model</a> as backbone. 
   </p>
-''')
+"""
+)
 title = "Background Removal"
 description = r"""Background removal model developed by <a href='https://BRIA.AI' target='_blank'><b>BRIA.AI</b></a>, trained on a carefully selected dataset and is available as an open-source model for non-commercial use.<br> 
 For test upload your image and wait. Read more at model card <a href='https://huggingface.co/briaai/RMBG-1.4' target='_blank'><b>briaai/RMBG-1.4</b></a>.<br>
 """
-examples = [['./input.jpg'],]
+examples = [
+    ["./input.jpg"],
+]
+
+title2 = "Background Removal For Video"
+description2 = r"""Background removal model developed by <a href='https://BRIA.AI' target='_blank'><b>BRIA.AI</b></a>, trained on a carefully selected dataset and is available as an open-source model for non-commercial use.<br> 
+For test upload your image and wait. Read more at model card <a href='https://huggingface.co/briaai/RMBG-1.4' target='_blank'><b>briaai/RMBG-1.4</b></a>.<br>
+Also, you can remove the background from the video.
+You may have to wait a little longer for the video to process as each frame in video will be processed, so using strong GPU is recommended.
+You need <b>ffmpeg</b> installed to use this feature.
+"""
+
 # output = ImageSlider(position=0.5,label='Image without background', type="pil", show_download_button=True)
 # demo = gr.Interface(fn=process,inputs="image", outputs=output, examples=examples, title=title, description=description)
-demo = gr.Interface(fn=process,inputs="image", outputs="image", examples=examples, title=title, description=description)
+demo1 = gr.Interface(
+    fn=process,
+    inputs="image",
+    outputs="image",
+    title=title,
+    description=description,
+    examples=examples,
+    api_name="demo1",
+)
+
+
+demo2 = gr.Interface(
+    fn=process_video,
+    inputs=[
+        gr.Video(label="Video"),
+        gr.ColorPicker(label="Key Color(Background color)"),
+    ],
+    outputs="video",
+    title=title2,
+    description=description2,
+    api_name="demo2",
+)
+
+demo = gr.TabbedInterface(
+    interface_list=[demo1, demo2],
+    tab_names=["Image", "Video"],
+)
 
 if __name__ == "__main__":
     demo.launch(share=False)