app.py

import gradio as gr
import cv2
from PIL import Image
import numpy as np
import os
import torch
import torch.nn.functional as F
from torchvision import transforms
from torchvision.transforms import Compose
import tempfile
from functools import partial
import spaces
from zipfile import ZipFile
from vincenty import vincenty
import json
from collections import Counter
import mediapy

#from depth_anything.dpt import DepthAnything
#from depth_anything.util.transform import Resize, NormalizeImage, PrepareForNet
from huggingface_hub import hf_hub_download
from depth_anything_v2.dpt import DepthAnythingV2

DEVICE = 'cuda' if torch.cuda.is_available() else 'cpu'
model_configs = {
    'vits': {'encoder': 'vits', 'features': 64, 'out_channels': [48, 96, 192, 384]},
    'vitb': {'encoder': 'vitb', 'features': 128, 'out_channels': [96, 192, 384, 768]},
    'vitl': {'encoder': 'vitl', 'features': 256, 'out_channels': [256, 512, 1024, 1024]},
    'vitg': {'encoder': 'vitg', 'features': 384, 'out_channels': [1536, 1536, 1536, 1536]}
}
encoder2name = {
    'vits': 'Small',
    'vitb': 'Base',
    'vitl': 'Large',
    'vitg': 'Giant', # we are undergoing company review procedures to release our giant model checkpoint
}

blurin = "1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1"
edge = []
gradient = None
params = { "fnum":0 }
pcolors = []
frame_selected = 0
frames = []
backups = []
depths = []
masks = []
locations = []
mesh = []
mesh_n = []
scene = None

def zip_files(files_in, files_out):
    with ZipFile("depth_result.zip", "w") as zipObj:
        for idx, file in enumerate(files_in):
            zipObj.write(file, file.split("/")[-1])
        for idx, file in enumerate(files_out):
            zipObj.write(file, file.split("/")[-1])
    return "depth_result.zip"

def create_video(frames, fps, type):
    print("building video result")
    imgs = []
    for j, img in enumerate(frames):
        imgs.append(cv2.cvtColor(cv2.imread(img).astype(np.uint8), cv2.COLOR_BGR2RGB))

    mediapy.write_video(type + "_result.mp4", imgs, fps=fps)
    return type + "_result.mp4"

@torch.no_grad()
#@spaces.GPU
def predict_depth(image, model):
    return model.infer_image(image)
    
#def predict_depth(model, image):
#    return model(image)["depth"]

def make_video(video_path, outdir='./vis_video_depth', encoder='vits', blur_data=blurin, o=1, b=32):
    if encoder not in ["vitl","vitb","vits","vitg"]:
        encoder = "vits"

    model_name = encoder2name[encoder]
    model = DepthAnythingV2(**model_configs[encoder])
    filepath = hf_hub_download(repo_id=f"depth-anything/Depth-Anything-V2-{model_name}", filename=f"depth_anything_v2_{encoder}.pth", repo_type="model")
    state_dict = torch.load(filepath, map_location="cpu")
    model.load_state_dict(state_dict)
    model = model.to(DEVICE).eval()

    #mapper = {"vits":"small","vitb":"base","vitl":"large"}
    # DEVICE = 'cuda' if torch.cuda.is_available() else 'cpu'
    # model = DepthAnything.from_pretrained('LiheYoung/depth_anything_vitl14').to(DEVICE).eval()
    # Define path for temporary processed frames
    #temp_frame_dir = tempfile.mkdtemp()
    
    #margin_width = 50
    #to_tensor_transform = transforms.ToTensor()

    #DEVICE = 'cuda' if torch.cuda.is_available() else 'cpu'
    # depth_anything = DepthAnything.from_pretrained('LiheYoung/depth_anything_{}14'.format(encoder)).to(DEVICE).eval()
    #depth_anything = pipeline(task = "depth-estimation", model=f"nielsr/depth-anything-{mapper[encoder]}")
    
    # total_params = sum(param.numel() for param in depth_anything.parameters())
    # print('Total parameters: {:.2f}M'.format(total_params / 1e6))
    
    #transform = Compose([
    #    Resize(
    #        width=518,
    #        height=518,
    #        resize_target=False,
    #        keep_aspect_ratio=True,
    #        ensure_multiple_of=14,
    #        resize_method='lower_bound',
    #        image_interpolation_method=cv2.INTER_CUBIC,
    #    ),
    #    NormalizeImage(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
    #    PrepareForNet(),
    #])

    if os.path.isfile(video_path):
        if video_path.endswith('txt'):
            with open(video_path, 'r') as f:
                lines = f.read().splitlines()
        else:
            filenames = [video_path]
    else:
        filenames = os.listdir(video_path)
        filenames = [os.path.join(video_path, filename) for filename in filenames if not filename.startswith('.')]
        filenames.sort()
    
    # os.makedirs(outdir, exist_ok=True)
    global masks
    
    for k, filename in enumerate(filenames):
        file_size = os.path.getsize(filename)/1024/1024
        if file_size > 128.0:
            print(f'File size of {filename} larger than 128Mb, sorry!')
            return filename
        print('Progress {:}/{:},'.format(k+1, len(filenames)), 'Processing', filename)
        
        raw_video = cv2.VideoCapture(filename)
        frame_width, frame_height = int(raw_video.get(cv2.CAP_PROP_FRAME_WIDTH)), int(raw_video.get(cv2.CAP_PROP_FRAME_HEIGHT))
        frame_rate = int(raw_video.get(cv2.CAP_PROP_FPS))
        if frame_rate < 1:
            frame_rate = 1
        cframes = int(raw_video.get(cv2.CAP_PROP_FRAME_COUNT))
        print(f'frames: {cframes}, fps: {frame_rate}')
        # output_width = frame_width * 2 + margin_width
        
        #filename = os.path.basename(filename)
        # output_path = os.path.join(outdir, filename[:filename.rfind('.')] + '_video_depth.mp4')
        #with tempfile.NamedTemporaryFile(delete=False, suffix='.mp4') as tmpfile:
        #    output_path = tmpfile.name
        #out = cv2.VideoWriter(output_path, cv2.VideoWriter_fourcc(*"avc1"), frame_rate, (output_width, frame_height))
        #fourcc = cv2.VideoWriter_fourcc(*'mp4v')
        #out = cv2.VideoWriter(output_path, fourcc, frame_rate, (output_width, frame_height))
        
        count = 0
        n = 0
        depth_frames = []
        orig_frames = []
        backup_frames = []
        thumbnail_old = []

        while raw_video.isOpened():
            ret, raw_frame = raw_video.read()
            if not ret:
                break
            else:
                print(count)

            frame = cv2.cvtColor(raw_frame, cv2.COLOR_BGR2RGB) / 255.0
            frame_pil = Image.fromarray((frame * 255).astype(np.uint8))
            #frame = transform({'image': frame})['image']
            #frame = torch.from_numpy(frame).unsqueeze(0).to(DEVICE)
            #raw_frame_bg = cv2.medianBlur(raw_frame, 255)

            #
            depth = predict_depth(raw_frame[:, :, ::-1], model)
            depth_gray = ((depth - depth.min()) / (depth.max() - depth.min()) * 255.0).astype(np.uint8)
            #
            
            #depth = to_tensor_transform(predict_depth(depth_anything, frame_pil))
            #depth = F.interpolate(depth[None], (frame_height, frame_width), mode='bilinear', align_corners=False)[0, 0]
            #depth = (depth - depth.min()) / (depth.max() - depth.min()) * 255.0
            #depth = depth.cpu().numpy().astype(np.uint8)
            #depth_color = cv2.applyColorMap(depth, cv2.COLORMAP_BONE)
            #depth_gray = cv2.cvtColor(depth_color, cv2.COLOR_RGBA2GRAY)

            # Remove white border around map:
            # define lower and upper limits of white
            #white_lo = np.array([250,250,250])
            #white_hi = np.array([255,255,255])
            # mask image to only select white
            mask = cv2.inRange(depth_gray[0:int(depth_gray.shape[0]/8*7)-1, 0:depth_gray.shape[1]], 250, 255)
            # change image to black where we found white
            depth_gray[0:int(depth_gray.shape[0]/8*7)-1, 0:depth_gray.shape[1]][mask>0] = 0

            mask = cv2.inRange(depth_gray[int(depth_gray.shape[0]/8*7):depth_gray.shape[0], 0:depth_gray.shape[1]], 192, 255)
            depth_gray[int(depth_gray.shape[0]/8*7):depth_gray.shape[0], 0:depth_gray.shape[1]][mask>0] = 192

            depth_color = cv2.cvtColor(depth_gray, cv2.COLOR_GRAY2BGR)
            # split_region = np.ones((frame_height, margin_width, 3), dtype=np.uint8) * 255
            # combined_frame = cv2.hconcat([raw_frame, split_region, depth_color])
            
            # out.write(combined_frame)
            # frame_path = os.path.join(temp_frame_dir, f"frame_{count:05d}.png")
            # cv2.imwrite(frame_path, combined_frame)

            #raw_frame = cv2.cvtColor(raw_frame, cv2.COLOR_BGR2BGRA)
            #raw_frame[:, :, 3] = 255

            if cframes < 16:
              thumbnail = cv2.cvtColor(cv2.resize(raw_frame, (16,32)), cv2.COLOR_BGR2GRAY).flatten()
              if len(thumbnail_old) > 0:
                  diff = thumbnail - thumbnail_old
                  #print(diff)
                  c = Counter(diff)
                  value, cc = c.most_common()[0]
                  if value == 0 and cc > int(16*32*0.8):
                      count += 1
                      continue
              thumbnail_old = thumbnail

            blur_frame = blur_image(raw_frame, depth_color, blur_data)

            # encoding depth within original video
            blur_frame = (round(blur_frame / 17) * 17).astype(np.uint8)
            depth_r = round(depth_gray / 17).astype(np.uint8)
            # may use green channel for 16 levels of opacity
            depth_b = depth_gray - depth_r * 17
            blur_frame[:,:,0] = blur_frame[:,:,0] + depth_r
            # blur_frame[:,:,1] = blur_frame[:,:,1] + opacity_g
            blur_frame[:,:,2] = blur_frame[:,:,2] + depth_b
            
            cv2.imwrite(f"f{count}.jpg", blur_frame)
            orig_frames.append(f"f{count}.jpg")

            cv2.imwrite(f"f{count}_.jpg", blur_frame)
            backup_frames.append(f"f{count}_.jpg")
            
            cv2.imwrite(f"f{count}_dmap.jpg", depth_color)
            depth_frames.append(f"f{count}_dmap.jpg")

            depth_gray = seg_frame(depth_gray, o, b) + 128
            #print(depth_gray[depth_gray>128]-128)

            cv2.imwrite(f"f{count}_mask.jpg", depth_gray)
            masks.append(f"f{count}_mask.jpg")            
            count += 1

        final_vid = create_video(orig_frames, frame_rate, "orig")
        depth_vid = create_video(depth_frames, frame_rate, "depth")
            
        final_zip = zip_files(orig_frames, depth_frames)
        raw_video.release()
        # out.release()
        cv2.destroyAllWindows()

        global gradient
        global frame_selected
        global depths
        global frames
        global backups 
        frames = orig_frames
        backups = backup_frames
        depths = depth_frames

        if depth_color.shape[0] == 2048: #height
            gradient = cv2.imread('./gradient_large.png').astype(np.uint8)
        elif depth_color.shape[0] == 1024:
            gradient = cv2.imread('./gradient.png').astype(np.uint8)
        else:
            gradient = cv2.imread('./gradient_small.png').astype(np.uint8)
        
        return final_vid, final_zip, frames, masks[frame_selected], depths, depth_vid #output_path

def depth_edges_mask(depth):
    """Returns a mask of edges in the depth map.
    Args:
    depth: 2D numpy array of shape (H, W) with dtype float32.
    Returns:
    mask: 2D numpy array of shape (H, W) with dtype bool.
    """
    # Compute the x and y gradients of the depth map.
    depth_dx, depth_dy = np.gradient(depth)
    # Compute the gradient magnitude.
    depth_grad = np.sqrt(depth_dx ** 2 + depth_dy ** 2)
    # Compute the edge mask.
    mask = depth_grad > 0.05
    return mask

def pano_depth_to_world_points(depth):
    """
    360 depth to world points
    given 2D depth is an equirectangular projection of a spherical image
    Treat depth as radius
    longitude : -pi to pi
    latitude : -pi/2 to pi/2
    """

    # Convert depth to radius
    radius = (255 - depth.flatten())

    lon = np.linspace(0, np.pi*2, depth.shape[1])
    lat = np.linspace(0, np.pi, depth.shape[0])
    lon, lat = np.meshgrid(lon, lat)
    lon = lon.flatten()
    lat = lat.flatten()

    pts3d = [[0,0,0]]
    uv = [[0,0]]
    nl = [[0,0,0]]
    for i in range(0, 1): #(0,2)
        for j in range(0, 1): #(0,2)
            #rnd_lon = (np.random.rand(depth.shape[0]*depth.shape[1]) - 0.5) / 8
            #rnd_lat = (np.random.rand(depth.shape[0]*depth.shape[1]) - 0.5) / 8
            d_lon = lon + i/2 * np.pi*2 / depth.shape[1]
            d_lat = lat + j/2 * np.pi / depth.shape[0]

            nx = np.cos(d_lon) * np.sin(d_lat)
            ny = np.cos(d_lat)
            nz = np.sin(d_lon) * np.sin(d_lat)
            
            # Convert to cartesian coordinates
            x = radius * nx
            y = radius * ny
            z = radius * nz

            pts = np.stack([x, y, z], axis=1)
            uvs = np.stack([lon/np.pi/2, lat/np.pi], axis=1)
            nls = np.stack([-nx, -ny, -nz], axis=1)
            
            pts3d = np.concatenate((pts3d, pts), axis=0)
            uv = np.concatenate((uv, uvs), axis=0)
            nl = np.concatenate((nl, nls), axis=0)
            #print(f'i: {i}, j: {j}')
            j = j+1
        i = i+1
        
    return [pts3d, uv, nl]

def rgb2gray(rgb):
    return np.dot(rgb[...,:3], [0.333, 0.333, 0.333])

def get_mesh(image, depth, blur_data, loadall):
    global depths
    global pcolors
    global frame_selected
    global mesh
    global mesh_n
    global scene
    if loadall == False:
        mesh = []
        mesh_n = []
    fnum = frame_selected

    #print(image[fnum][0])
    #print(depth["composite"])

    depthc = cv2.imread(depths[frame_selected], cv2.IMREAD_UNCHANGED).astype(np.uint8)
    blur_img = blur_image(cv2.imread(image[fnum][0], cv2.IMREAD_UNCHANGED).astype(np.uint8), depthc, blur_data)
    gdepth = cv2.cvtColor(depthc, cv2.COLOR_RGB2GRAY) #rgb2gray(depthc)
    
    print('depth to gray - ok')
    points = pano_depth_to_world_points(gdepth)
    pts3d = points[0]
    uv = points[1]
    nl = points[2]
    print('radius from depth - ok')

    # Create a trimesh mesh from the points
    # Each pixel is connected to its 4 neighbors
    # colors are the RGB values of the image
    uvs = uv.reshape(-1, 2)
    #print(uvs)
    #verts = pts3d.reshape(-1, 3)
    verts = [[0,0,0]]
    normals = nl.reshape(-1, 3)
    rgba = cv2.cvtColor(blur_img, cv2.COLOR_RGB2RGBA)
    colors = rgba.reshape(-1, 4)
    clrs = [[128,128,128,0]]

    #for i in range(0,1): #(0,4)
    #clrs = np.concatenate((clrs, colors), axis=0)
        #i = i+1
    #verts, clrs

    #pcd = o3d.geometry.TriangleMesh.create_tetrahedron()
    #pcd.compute_vertex_normals()
    #pcd.paint_uniform_color((1.0, 1.0, 1.0))
    #mesh.append(pcd)
    #print(mesh[len(mesh)-1])
    if not str(fnum) in mesh_n:
        mesh_n.append(str(fnum))
    print('mesh - ok')

    # Save as glb
    #glb_file = tempfile.NamedTemporaryFile(suffix='.glb', delete=False)
    #o3d.io.write_triangle_mesh(glb_file.name, pcd)
    #print('file - ok')
    return "./TriangleWithoutIndices.gltf", ",".join(mesh_n)
    

def blur_image(image, depth, blur_data):
    blur_a = blur_data.split()
    #print(f'blur data {blur_data}')

    blur_frame = image.copy()
    j = 0
    while j < 256:
        i = 255 - j
        blur_lo = np.array([i,i,i])
        blur_hi = np.array([i+1,i+1,i+1])
        blur_mask = cv2.inRange(depth, blur_lo, blur_hi)
        
        #print(f'kernel size {int(blur_a[j])}')
        blur = cv2.GaussianBlur(image, (int(blur_a[j]), int(blur_a[j])), 0)
                
        blur_frame[blur_mask>0] = blur[blur_mask>0]
        j = j + 1

    white = cv2.inRange(blur_frame, np.array([255,255,255]), np.array([255,255,255]))
    blur_frame[white>0] = (254,254,254)
    
    return blur_frame

def loadfile(f):
    return f

def show_json(txt):
    data = json.loads(txt)
    print(txt)
    i=0
    while i < len(data[2]):
        data[2][i] = data[2][i]["image"]["path"]
        data[4][i] = data[4][i]["path"]
        i=i+1
    return data[0]["video"]["path"], data[1]["path"], data[2], data[3]["background"]["path"], data[4], data[5]


def seg_frame(newmask, b, d):

    if newmask.shape[0] == 2048: #height
        gd = cv2.imread('./gradient_large.png', cv2.IMREAD_GRAYSCALE).astype(np.uint8)
    elif newmask.shape[0] == 1024:
        gd = cv2.imread('./gradient.png', cv2.IMREAD_GRAYSCALE).astype(np.uint8)
    else:
        gd = cv2.imread('./gradient_small.png', cv2.IMREAD_GRAYSCALE).astype(np.uint8)
   
    newmask[np.absolute(newmask.astype(np.int16)-gd.astype(np.int16))<16] = 0
    ret,newmask = cv2.threshold(newmask,0,255,cv2.THRESH_BINARY+cv2.THRESH_OTSU)

    #b = 1
    #d = 32
    element = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (2 * b + 1, 2 * b + 1), (b, b))
    bd = cv2.erode(newmask, element)
    element = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (2 * d + 1, 2 * d + 1), (d, d))
    bg = cv2.dilate(newmask, element)
    bg[bg.shape[0]-64:bg.shape[0],0:bg.shape[1]] = 0

    mask = np.zeros(newmask.shape[:2],np.uint8)
    # https://docs.opencv.org/4.x/d8/d83/tutorial_py_grabcut.html
    # wherever it is marked white (sure foreground), change mask=1
    # wherever it is marked black (sure background), change mask=0
    mask[bg == 255] = 3
    mask[bd == 255] = 1 #2: probable bg, 3: probable fg
    
    return mask


def select_frame(d, evt: gr.SelectData):
    global frame_selected
    global depths
    global masks
    global edge
    
    if evt.index != frame_selected:
        edge = []
        frame_selected = evt.index
        
    return depths[frame_selected], frame_selected

def switch_rows(v):
    global frames
    global depths
    if v == True:
        print(depths[0])
        return depths
    else:
        print(frames[0])
        return frames


def bincount(a):
    a2D = a.reshape(-1,a.shape[-1])
    col_range = (256, 256, 256) # generically : a2D.max(0)+1
    a1D = np.ravel_multi_index(a2D.T, col_range)
    return list(reversed(np.unravel_index(np.bincount(a1D).argmax(), col_range)))

def reset_mask(d):
    global frame_selected
    global frames
    global backups
    global masks
    global depths
    global edge

    edge = []
    backup = cv2.imread(backups[frame_selected]).astype(np.uint8)
    cv2.imwrite(frames[frame_selected], backup)

    d["layers"][0][0:d["layers"][0].shape[0], 0:d["layers"][0].shape[1]] = (0,0,0,0)

    return gr.ImageEditor(value=d)


def draw_mask(o, b, v, d, evt: gr.EventData):
    global frames
    global depths
    global params
    global frame_selected
    global masks
    global gradient
    global edge
    
    points = json.loads(v)
    pts = np.array(points, np.int32)
    pts = pts.reshape((-1,1,2))

    if len(edge) == 0 or params["fnum"] != frame_selected:
      if params["fnum"] != frame_selected:
          d["background"] = cv2.imread(depths[frame_selected]).astype(np.uint8)
          params["fnum"] = frame_selected

      bg = cv2.cvtColor(d["background"], cv2.COLOR_RGBA2GRAY)
      bg[bg==255] = 0
        
      edge = bg.copy()
    else:
      bg = edge.copy()

    x = points[len(points)-1][0]
    y = points[len(points)-1][1]

    mask = cv2.imread(masks[frame_selected], cv2.IMREAD_GRAYSCALE).astype(np.uint8)
    mask[mask==128] = 0
    print(mask[mask>0]-128)
    d["layers"][0] = cv2.cvtColor(mask, cv2.COLOR_GRAY2RGBA)

    sel = cv2.floodFill(mask, None, (x, y), 1, 2, 2, (4 | cv2.FLOODFILL_FIXED_RANGE))[2] #(4 | cv2.FLOODFILL_FIXED_RANGE | cv2.FLOODFILL_MASK_ONLY | 255 << 8)
    # 255 << 8 tells to fill with the value 255)
    sel = sel[1:sel.shape[0]-1, 1:sel.shape[1]-1]

    d["layers"][0][sel==0] = (0,0,0,0)


    mask = cv2.cvtColor(d["layers"][0], cv2.COLOR_RGBA2GRAY)
    mask[mask==0] = 128
    print(mask[mask>128]-128)
    mask, bgdModel, fgdModel = cv2.grabCut(cv2.cvtColor(d["background"], cv2.COLOR_RGBA2RGB), mask-128, None,None,None,15, cv2.GC_INIT_WITH_MASK)
    mask = np.where((mask==2)|(mask==0),0,1).astype('uint8')

    frame = cv2.imread(frames[frame_selected], cv2.IMREAD_UNCHANGED).astype(np.uint8)
    frame[mask>0] = (255,255,255)
    cv2.imwrite(frames[frame_selected], frame)
    
    switch_rows(False)
    return gr.ImageEditor(value=d)


load_model="""
async(c, o, p, d, n, m, s)=>{
  var intv = setInterval(function(){
    if (document.getElementById("model3D").getElementsByTagName("canvas")[0]) {
      try {
      if (typeof BABYLON !== "undefined" && BABYLON.Engine && BABYLON.Engine.LastCreatedScene) {
        BABYLON.Engine.LastCreatedScene.onAfterRenderObservable.add(function() { //onDataLoadedObservable

          var then = new Date().getTime();
          var now, delta;
          const interval = 1000 / 25;
          const tolerance = 0.1;
          
          BABYLON.Engine.LastCreatedScene.getEngine().stopRenderLoop();
          BABYLON.Engine.LastCreatedScene.getEngine().runRenderLoop(function () {
            now = new Date().getTime();
            delta = now - then;
            then = now - (delta % interval);
            if (delta >= interval - tolerance) {
                BABYLON.Engine.LastCreatedScene.render();
            }
          });
        
          BABYLON.Engine.LastCreatedScene.getEngine().setHardwareScalingLevel(1.0);
          BABYLON.Engine.LastCreatedScene.clearColor = new BABYLON.Color4(255,255,255,255);
          BABYLON.Engine.LastCreatedScene.ambientColor = new BABYLON.Color4(255,255,255,255);
          //BABYLON.Engine.LastCreatedScene.autoClear = false;
          //BABYLON.Engine.LastCreatedScene.autoClearDepthAndStencil = false;
          /*for (var i=0; i<BABYLON.Engine.LastCreatedScene.getNodes().length; i++) {
            if (BABYLON.Engine.LastCreatedScene.getNodes()[i].material) {
              BABYLON.Engine.LastCreatedScene.getNodes()[i].material.pointSize = Math.ceil(Math.log2(Math.PI/document.getElementById("zoom").value));
            }
          }*/
          BABYLON.Engine.LastCreatedScene.getAnimationRatio();
        });
        
        if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
          BABYLON.Engine.LastCreatedScene.activeCamera.metadata = {
            pipeline: new BABYLON.DefaultRenderingPipeline("default", true, BABYLON.Engine.LastCreatedScene, [BABYLON.Engine.LastCreatedScene.activeCamera]) 
          }
        }
        BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.samples = 4;
        BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.contrast = 1.0;
        BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.exposure = 1.0;

        //BABYLON.Engine.LastCreatedScene.activeCamera.detachControl(document.getElementById("model3D").getElementsByTagName("canvas")[0]);
        BABYLON.Engine.LastCreatedScene.activeCamera.inertia = 0.0;
        //pan
        BABYLON.Engine.LastCreatedScene.activeCamera.panningInertia = 0.0;
        BABYLON.Engine.LastCreatedScene.activeCamera.panningDistanceLimit = 16;
        BABYLON.Engine.LastCreatedScene.activeCamera.panningSensibility = 16;
        //zoom
        BABYLON.Engine.LastCreatedScene.activeCamera.pinchDeltaPercentage = 1/256;
        BABYLON.Engine.LastCreatedScene.activeCamera.wheelDeltaPercentage = 1/256;
        BABYLON.Engine.LastCreatedScene.activeCamera.upperRadiusLimit = (1.57-0.157)*16;
        BABYLON.Engine.LastCreatedScene.activeCamera.lowerRadiusLimit = 0.0;
        //BABYLON.Engine.LastCreatedScene.activeCamera.attachControl(document.getElementById("model3D").getElementsByTagName("canvas")[0], false);
        
        BABYLON.Engine.LastCreatedScene.activeCamera.fov = document.getElementById("zoom").value;

        document.getElementById("model3D").getElementsByTagName("canvas")[0].style.filter = "blur(" + Math.ceil(Math.log2(Math.PI/document.getElementById("zoom").value))/2.0*Math.sqrt(2.0) + "px)";
        document.getElementById("model3D").getElementsByTagName("canvas")[0].oncontextmenu = function(e){e.preventDefault();}
        document.getElementById("model3D").getElementsByTagName("canvas")[0].ondrag = function(e){e.preventDefault();}

        document.getElementById("model3D").appendChild(document.getElementById("compass_box"));
        window.coords = JSON.parse(document.getElementById("coords").getElementsByTagName("textarea")[0].value);
        window.counter = 0;

        if (o.indexOf(""+n) < 0) {
          if (o != "") { o += ","; }
          o += n;
        }
        //alert(o);
        var o_ = o.split(",");
        var q = BABYLON.Engine.LastCreatedScene.meshes;
        for(i = 0; i < q.length; i++) {
          let mesh = q[i];
          mesh.dispose(false, true);
        }
        var dome = [];
        /*for (var j=0; j<o_.length; j++) {
          o_[j] = parseInt(o_[j]);
          dome[j] = new BABYLON.PhotoDome("dome"+j, p[o_[j]].image.url, 
          {
            resolution: 16,
            size: 512
          }, BABYLON.Engine.LastCreatedScene);
          var q = BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-2]._children;
          for(i = 0; i < q.length; i++) {
            let mesh = q[i];
            mesh.dispose(false, true);
          }
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].name = "dome"+j;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].scaling.z = -1;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].alphaIndex = o_.length-j;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].visibility = 0.9999;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.diffuseTexture.hasAlpha = true;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.useAlphaFromDiffuseTexture = true;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].applyDisplacementMap(m[o_[j]].url, 0, 255, function(m){try{alert(BABYLON.Engine.Version);}catch(e){alert(e);}}, null, null, true, function(e){alert(e);});
          
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotationQuaternion = null;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].position.z = coords[o_[j]].lat;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].position.x = coords[o_[j]].lng;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.y = coords[o_[j]].heading / 180 * Math.PI;
          BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.z = -coords[o_[j]].pitch / 180 * Math.PI;
        }*/

        if (s == false) {
          v_url = document.getElementById("output_video").getElementsByTagName("video")[0].src;
        } else {
          v_url = document.getElementById("depth_video").getElementsByTagName("video")[0].src;
        }
        window.videoDome = new BABYLON.VideoDome(
            "videoDome", [v_url],
            {
                resolution: 16,
                size: 512,
                clickToPlay: false,
            }, BABYLON.Engine.LastCreatedScene
        );
        var q = BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-2]._children;
        for (i = 0; i < q.length; i++) {
            let mesh = q[i];
            mesh.dispose(false, true);
        }
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotationQuaternion = null;
        //BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].position.z = coords[counter].lat;
        //BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].position.x = coords[counter].lng;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.y = coords[counter].heading / 180 * Math.PI;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].rotation.z = -coords[counter].pitch / 180 * Math.PI;
        
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].scaling.z = -1;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.diffuseTexture.hasAlpha = true;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.useAlphaFromDiffuseTexture = true;
        //BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.emissiveTexture = videoDome.videoTexture;
        //BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.emissiveTexture.hasAlpha = true;
        //BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].material.useAlphaFromEmissiveTexture = true;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].alphaIndex = 1;
        BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1].visibility = 0.9999;

        window.md = false;
        window.rd = false;
        window.compass = document.getElementById("compass");
        window.x = 0;
        window.y = 0;
        window.xold = 0;
        window.yold = 0;
        window.buffer = null;
        window.bufferCanvas = document.createElement("canvas");
        window.ctx = bufferCanvas.getContext("2d", { willReadFrequently: true });
        window.video = document.getElementById("depth_video").getElementsByTagName("video")[0];
        window.parallax = 0;
        window.xdir = new BABYLON.Vector3(1, 0, 0);
        window.rdir = new BABYLON.Vector3(0, 0, 0);
        window.videoDomeMesh = BABYLON.Engine.LastCreatedScene.meshes[BABYLON.Engine.LastCreatedScene.meshes.length-1];

        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointermove', function(evt) {
        if (md === true) {
          rdir = BABYLON.Engine.LastCreatedScene.activeCamera.getDirection(xdir);
          videoDomeMesh.position.x = parallax * rdir.x;
          videoDomeMesh.position.z = parallax * rdir.z;
          
          try {
            compass.style.transform = "rotateX(" + (BABYLON.Engine.LastCreatedScene.activeCamera.beta-Math.PI/2) + "rad) rotateZ(" + BABYLON.Engine.LastCreatedScene.activeCamera.alpha + "rad)";
          } catch(e) {alert(e);}
        }
        if (rd === true) {
          x = parseInt(evt.clientX - evt.target.getBoundingClientRect().x);
          y = parseInt(evt.clientY - evt.target.getBoundingClientRect().y);
          
          if (Math.abs(BABYLON.Engine.LastCreatedScene.activeCamera.radius) > (1.57-0.157)*16) {
            BABYLON.Engine.LastCreatedScene.activeCamera.radius = (1.57-0.157)*16;
          } else {
            BABYLON.Engine.LastCreatedScene.activeCamera.fov = BABYLON.Engine.LastCreatedScene.activeCamera.radius/16 + 0.157;
          }
          document.getElementById('zoom').value = BABYLON.Engine.LastCreatedScene.activeCamera.fov;
          document.getElementById('zoom').parentNode.childNodes[2].innerText = document.getElementById('zoom').value;
          
          xold=x;
          yold=y;
        }
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointerdown', function() {
          md = true;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointerup', function() {
          md = false;
          rd = false;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointercancel', function() {
          md = false;
          rd = false;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointerleave', function() {
          md = false;
          rd = false;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('pointerout', function() {
          md = false;
          rd = false;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('contextmenu', function() {
          rd = true;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('gesturestart', function() {
          rd = true;
        });
        document.getElementById("model3D").getElementsByTagName("canvas")[0].addEventListener('gestureend', function() {
          rd = false;
        });
        

        function requestMap() {
        try {
          ctx.drawImage(video, 0, 0, video.videoWidth, video.videoHeight);
          videoDome.videoTexture.video.pause();
          video.pause();
          if (buffer) {
            counter = parseInt(video.currentTime);
            if (!coords[counter]) {counter = coords.length-1;}
            applyDisplacementMapFromBuffer(videoDomeMesh, buffer, video.videoWidth, video.videoHeight, 0, -1, null, null, true);
          }
          buffer = ctx.getImageData(0, 0, video.videoWidth, video.videoHeight).data;
          applyDisplacementMapFromBuffer(videoDomeMesh, buffer, video.videoWidth, video.videoHeight, 0, 1, null, null, true);
        } catch(e) {alert(e)}
        }
        window.requestMap = requestMap;

        videoDome.videoTexture.video.oncanplaythrough = function () {
          document.getElementById('seek').innerHTML = '';
          for (var i=0; i<videoDome.videoTexture.video.duration; i++) {
            document.getElementById('seek').innerHTML += '<a href="#" style="position:absolute;left:'+(56+coords[i].lng/2)+'px;top:'+(56-coords[i].lat/2)+'px;" onclick="seek('+i+');">-'+i+'-</a> ';
          }
          bufferCanvas.width = video.videoWidth;
          bufferCanvas.height = video.videoHeight;
          
          videoPlay();
        };

        //var debugLayer = BABYLON.Engine.LastCreatedScene.debugLayer.show();
        
        if (document.getElementById("model")) {
          document.getElementById("model").appendChild(document.getElementById("model3D"));
          toggleDisplay("model");
        }
        
        clearInterval(intv);
      }
      } catch(e) {alert(e);}
    }
  }, 40);
}
"""

js = """
async()=>{
console.log('Hi');

const chart = document.getElementById('chart');
const blur_in = document.getElementById('blur_in').getElementsByTagName('textarea')[0];
var md = false;
var xold = 128;
var yold = 32;
var a = new Array(256);
var l;

for (var i=0; i<256; i++) {
  const hr = document.createElement('hr');
  hr.style.backgroundColor = 'hsl(0,0%,' + (100-i/256*100) + '%)';
  chart.appendChild(hr);
}

function resetLine() {
  a.fill(1);
  for (var i=0; i<256; i++) {
    chart.childNodes[i].style.height = a[i] + 'px';
    chart.childNodes[i].style.marginTop = '32px';
  }
}
resetLine();
window.resetLine = resetLine;

function pointerDown(x, y) {
  md = true;
  xold = parseInt(x - chart.getBoundingClientRect().x);
  yold = parseInt(y - chart.getBoundingClientRect().y);
  chart.title = xold + ',' + yold;
}
window.pointerDown = pointerDown;

function pointerUp() {
  md = false;
  var evt = document.createEvent('Event');
  evt.initEvent('input', true, false);
  blur_in.dispatchEvent(evt);
  chart.title = '';
}
window.pointerUp = pointerUp;

function lerp(y1, y2, mu) { return y1*(1-mu)+y2*mu; }

function drawLine(x, y) {
  x = parseInt(x - chart.getBoundingClientRect().x);
  y = parseInt(y - chart.getBoundingClientRect().y);
  if (md === true && y >= 0 && y < 64 && x >= 0 && x < 256) {
    if (y < 32) {
      a[x] = Math.abs(32-y)*2 + 1;
      chart.childNodes[x].style.height = a[x] + 'px';
      chart.childNodes[x].style.marginTop = y + 'px';

      for (var i=Math.min(xold, x)+1; i<Math.max(xold, x); i++) {
        l = parseInt(lerp( yold, y, (i-xold)/(x-xold) ));

        if (l < 32) {
          a[i] = Math.abs(32-l)*2 + 1;
          chart.childNodes[i].style.height = a[i] + 'px';
          chart.childNodes[i].style.marginTop = l + 'px';
        } else if (l < 64) {
          a[i] = Math.abs(l-32)*2 + 1;
          chart.childNodes[i].style.height = a[i] + 'px';
          chart.childNodes[i].style.marginTop = (64-l) + 'px';
        }
      }
    } else if (y < 64) {
      a[x] = Math.abs(y-32)*2 + 1;
      chart.childNodes[x].style.height = a[x] + 'px';
      chart.childNodes[x].style.marginTop = (64-y) + 'px';

      for (var i=Math.min(xold, x)+1; i<Math.max(xold, x); i++) {
        l = parseInt(lerp( yold, y, (i-xold)/(x-xold) ));

        if (l < 32) {
          a[i] = Math.abs(32-l)*2 + 1;
          chart.childNodes[i].style.height = a[i] + 'px';
          chart.childNodes[i].style.marginTop = l + 'px';
        } else if (l < 64) {
          a[i] = Math.abs(l-32)*2 + 1;
          chart.childNodes[i].style.height = a[i] + 'px';
          chart.childNodes[i].style.marginTop = (64-l) + 'px';
        }
      }
    }
    blur_in.value = a.join(' ');
    xold = x;
    yold = y;
    chart.title = xold + ',' + yold;
  }
}
window.drawLine = drawLine;


window.screenshot = false;

function snapshot() {
if (BABYLON) {
  screenshot = true;
  BABYLON.Engine.LastCreatedScene.getEngine().onEndFrameObservable.add(function() {
    if (screenshot === true) {
    screenshot = false;
    try {
    BABYLON.Tools.CreateScreenshotUsingRenderTarget(BABYLON.Engine.LastCreatedScene.getEngine(), BABYLON.Engine.LastCreatedScene.activeCamera, 
        { precision: 1.0 }, (durl) => { 
             var cnvs = document.getElementById("model3D").getElementsByTagName("canvas")[0]; //.getContext("webgl2");
             var svgd = `<svg id="svg_out" viewBox="0 0 ` + cnvs.width + ` ` + cnvs.height + `" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
                          <defs>
                            <filter id="blur" x="0" y="0" xmlns="http://www.w3.org/2000/svg">
                              <feGaussianBlur in="SourceGraphic" stdDeviation="1" />
                            </filter>
                          </defs>
                          <image filter="url(#blur)" id="svg_img" x="0" y="0" width="` + cnvs.width + `" height="` + cnvs.height + `" xlink:href=\"` + durl + `\"/>
                        </svg>`;
                        document.getElementById("cnv_out").width = cnvs.width;
                        document.getElementById("cnv_out").height = cnvs.height;
                        document.getElementById("img_out").src = "data:image/svg+xml;base64," + btoa(svgd);        
                      }
                    );
                  } catch(e) { alert(e); }
                  // https://forum.babylonjs.com/t/best-way-to-save-to-jpeg-snapshots-of-scene/17663/11
                }
          });
}
}
window.snapshot = snapshot;


window.recorder = null;

function record_video() {
  try {
  if (BABYLON.VideoRecorder.IsSupported(BABYLON.Engine.LastCreatedScene.getEngine()) && (recorder == null || !recorder.isRecording) ) {
    if (recorder == null) {
        recorder = new BABYLON.VideoRecorder(BABYLON.Engine.LastCreatedScene.getEngine(), { mimeType:'video/mp4', fps:25, /*audioTracks: mediaStreamDestination.stream.getAudioTracks()*/ });
    }
    recorder.startRecording('video.mp4', 60*60);
  }
  } catch(e) {alert(e);}
}
window.record_video = record_video;

function stop_recording() {
  if (recorder.isRecording) {
    recorder.stopRecording();
  }
}
window.stop_recording = stop_recording;

function seek(t) {
  videoDome.videoTexture.video.currentTime = t;
  if (videoDome.videoTexture.video.currentTime > videoDome.videoTexture.video.duration) {
    videoDome.videoTexture.video.currentTime = videoDome.videoTexture.video.duration;
  } else if (videoDome.videoTexture.video.currentTime < 0) {
    videoDome.videoTexture.video.currentTime = 0;
  }
  video.currentTime = t;
  if (video.currentTime > video.duration) {
    video.currentTime = video.duration;
  } else if (video.currentTime < 0) {
    video.currentTime = 0;
  }
  requestMap();
}
window.seek = seek;

function videoPlay() {
  videoDome.videoTexture.video.oncanplaythrough = null;
  video.oncanplaythrough = null;

  videoDome.videoTexture.video.loop = true;
  video.loop = true;
  videoDome.videoTexture.video.play();
  video.play();
}
window.videoPlay = videoPlay;


    function applyDisplacementMapFromBuffer(
        mesh,
        buffer,
        heightMapWidth,
        heightMapHeight,
        minHeight,
        maxHeight,
        uvOffset,
        uvScale,
        forceUpdate
    ) {
      try {
        if (!mesh.isVerticesDataPresent(BABYLON.VertexBuffer.NormalKind)) {
            let positions = mesh.getVerticesData(BABYLON.VertexBuffer.PositionKind);
            let normals = [];
            BABYLON.VertexData.ComputeNormals(positions, mesh.getIndices(), normals, {useRightHandedSystem: true});
            mesh.setVerticesData(BABYLON.VertexBuffer.NormalKind, normals);
        }
        const positions = mesh.getVerticesData(BABYLON.VertexBuffer.PositionKind, true, true);
        const normals = mesh.getVerticesData(BABYLON.VertexBuffer.NormalKind);
        const uvs = mesh.getVerticesData(BABYLON.VertexBuffer.UVKind);

        let position = BABYLON.Vector3.Zero();
        const normal = BABYLON.Vector3.Zero();
        const uv = BABYLON.Vector2.Zero();

        uvOffset = uvOffset || BABYLON.Vector2.Zero();
        uvScale = uvScale || new BABYLON.Vector2(1, 1);

        for (let index = 0; index < positions.length; index += 3) {
            BABYLON.Vector3.FromArrayToRef(positions, index, position);
            BABYLON.Vector3.FromArrayToRef(normals, index, normal);
            BABYLON.Vector2.FromArrayToRef(uvs, (index / 3) * 2, uv);

            // Compute height
            const u = (Math.abs(uv.x * uvScale.x + (uvOffset.x % 1)) * (heightMapWidth - 1)) % heightMapWidth | 0;
            const v = (Math.abs(uv.y * uvScale.y + (uvOffset.y % 1)) * (heightMapHeight - 1)) % heightMapHeight | 0;

            const pos = (u + v * heightMapWidth) * 4;
            const r = buffer[pos] / 255.0;
            const g = buffer[pos + 1] / 255.0;
            const b = buffer[pos + 2] / 255.0;
            const a = buffer[pos + 3] / 255.0;

            const gradient = r * 0.33 + g * 0.33 + b * 0.33;
            //const gradient = a;

            normal.normalize();
            normal.scaleInPlace(minHeight + (maxHeight - minHeight) * gradient);
            position = position.add(normal);

            position.toArray(positions, index);
        }
        mesh.setVerticesData(BABYLON.VertexBuffer.PositionKind, positions);

        return mesh;
    } catch(e) {alert(e)}
    }
    window.applyDisplacementMapFromBuffer = applyDisplacementMapFromBuffer;


var intv_ = setInterval(function(){
if (document.getElementById("image_edit") && document.getElementById("image_edit").getElementsByTagName("canvas")) {
  document.getElementById("image_edit").getElementsByTagName("canvas")[0].oncontextmenu = function(e){e.preventDefault();}
  document.getElementById("image_edit").getElementsByTagName("canvas")[0].ondrag = function(e){e.preventDefault();}
            
  document.getElementById("image_edit").getElementsByTagName("canvas")[0].onclick = function(e) {
    var x = parseInt((e.clientX-e.target.getBoundingClientRect().x)*e.target.width/e.target.getBoundingClientRect().width);
    var y = parseInt((e.clientY-e.target.getBoundingClientRect().y)*e.target.height/e.target.getBoundingClientRect().height);

    var p = document.getElementById("mouse").getElementsByTagName("textarea")[0].value.slice(1, -1);
    if (p != "") { p += ", "; }
    p += "[" + x + ", " + y + "]";
    document.getElementById("mouse").getElementsByTagName("textarea")[0].value = "[" + p + "]";
              
    var evt = document.createEvent("Event");
    evt.initEvent("input", true, false);
    document.getElementById("mouse").getElementsByTagName("textarea")[0].dispatchEvent(evt);
  }
  document.getElementById("image_edit").getElementsByTagName("canvas")[0].onfocus = function(e) {
    document.getElementById("mouse").getElementsByTagName("textarea")[0].value = "[]";
  }
  document.getElementById("image_edit").getElementsByTagName("canvas")[0].onblur = function(e) {
    document.getElementById("mouse").getElementsByTagName("textarea")[0].value = "[]";
  }
  clearInterval(intv_);
}
}, 40);

}
"""

css = """
#img-display-container {
    max-height: 100vh;
    }
#img-display-input {
    max-height: 80vh;
    }
#img-display-output {
    max-height: 80vh;
    }
"""

head = """
"""

title = "# Depth Anything V2 Video"
description = """**Depth Anything V2** on full video files, intended for Google Street View panorama slideshows.   
Please refer to the [paper](https://arxiv.org/abs/2406.09414), [project page](https://depth-anything-v2.github.io), and [github](https://github.com/DepthAnything/Depth-Anything-V2) for more details."""

    
#transform = Compose([
#        Resize(
#            width=518,
#            height=518,
#            resize_target=False,
#            keep_aspect_ratio=True,
#            ensure_multiple_of=14,
#            resize_method='lower_bound',
#            image_interpolation_method=cv2.INTER_CUBIC,
#        ),
#        NormalizeImage(mean=[0.485, 0.456, 0.406], std=[0.229, 0.224, 0.225]),
#        PrepareForNet(),
#])

# @torch.no_grad()
# def predict_depth(model, image):
#     return model(image)

with gr.Blocks(css=css, js=js, head=head) as demo:
    gr.Markdown(title)
    gr.Markdown(description)
    gr.Markdown("### Video Depth Prediction demo")

    with gr.Row():
        with gr.Column():
            with gr.Group():
              input_json = gr.Textbox(elem_id="json_in", value="{}", label="JSON", interactive=False)
              input_url = gr.Textbox(elem_id="url_in", value="./examples/streetview.mp4", label="URL")
              input_video = gr.Video(label="Input Video", format="mp4")
              input_url.input(fn=loadfile, inputs=[input_url], outputs=[input_video])
              submit = gr.Button("Submit")
            with gr.Group():
              output_frame = gr.Gallery(label="Frames", preview=True, columns=8192, interactive=False)
              output_switch = gr.Checkbox(label="Show depths")
              output_switch.input(fn=switch_rows, inputs=[output_switch], outputs=[output_frame])
              selected = gr.Number(label="Selected frame", visible=False, elem_id="fnum", value=0, minimum=0, maximum=256, interactive=False)
              with gr.Accordion(label="Depths", open=False):
                output_depth = gr.Files(label="Depth files", interactive=False)
            with gr.Group():
              output_mask = gr.ImageEditor(layers=False, sources=('clipboard'), show_download_button=True, type="numpy", interactive=True, transforms=(None,), eraser=gr.Eraser(), brush=gr.Brush(default_size=0, colors=['black', '#505050', '#a0a0a0', 'white']), elem_id="image_edit")
              with gr.Accordion(label="Border", open=False):
                boffset = gr.Slider(label="Inner", value=1, maximum=256, minimum=0, step=1)
                bsize = gr.Slider(label="Outer", value=32, maximum=256, minimum=0, step=1)
                mouse = gr.Textbox(label="Mouse x,y", elem_id="mouse", value="""[]""", interactive=False)
              reset = gr.Button("Reset", size='sm')
              mouse.input(fn=draw_mask, show_progress="minimal", inputs=[boffset, bsize, mouse, output_mask], outputs=[output_mask])
              reset.click(fn=reset_mask, inputs=[output_mask], outputs=[output_mask])

        with gr.Column():
          model_type = gr.Dropdown([("small", "vits"), ("base", "vitb"), ("large", "vitl"), ("giant", "vitg")], type="value", value="vits", label='Model Type')
          processed_video = gr.Video(label="Output Video", format="mp4", elem_id="output_video", interactive=False)
          processed_zip = gr.File(label="Output Archive", interactive=False)
          depth_video = gr.Video(label="Depth Video", format="mp4", elem_id="depth_video", interactive=False, visible=True)
          result = gr.Model3D(label="3D Mesh", clear_color=[0.5, 0.5, 0.5, 0.0], camera_position=[0, 90, 512], zoom_speed=2.0, pan_speed=2.0, interactive=True, elem_id="model3D")
          with gr.Accordion(label="Embed in website", open=False):
            embed_model = gr.Textbox(elem_id="embed_model", label="Include this wherever the model is to appear on the page", interactive=False, value="""
              
            """)
            
          with gr.Tab("Blur"):
            chart_c = gr.HTML(elem_id="chart_c", value="""<div id='chart' onpointermove='window.drawLine(event.clientX, event.clientY);' onpointerdown='window.pointerDown(event.clientX, event.clientY);' onpointerup='window.pointerUp();' onpointerleave='window.pointerUp();' onpointercancel='window.pointerUp();' onclick='window.resetLine();'></div>
            <style>
  * {
    user-select: none;
  }
  html, body {
    user-select: none;
  }
  #model3D canvas {
    user-select: none;
  }
  #chart hr {
    width: 1px;
    height: 1px;
    clear: none;
    border: 0;
    padding:0;
    display: inline-block;
    position: relative;
    vertical-align: top;
    margin-top:32px;
  }
  #chart {
    padding:0;
    margin:0;
    width:256px;
    height:64px;
    background-color:#808080;
    touch-action: none;
  }
    #compass_box {
      position:absolute;
	  top:2em;
	  right:3px;
	  border:1px dashed gray;
	  border-radius: 50%;
	  width:1.5em;
	  height:1.5em;
	  padding:0;
	  margin:0;
	}
	#compass {
	  position:absolute;
	  transform:rotate(0deg);
	  border:1px solid black;
	  border-radius: 50%;
	  width:100%;
	  height:100%;
	  padding:0;
	  margin:0;
	  line-height:1em;
	  letter-spacing:0;
	}
    #compass b {
      margin-top:-1px;
    }
            </style>
            """)
            average = gr.HTML(value="""<label for='average'>Average</label><input id='average' type='range' style='width:256px;height:1em;' value='1' min='1' max='15' step='2' onclick='
              var pts_a = document.getElementById(\"blur_in\").getElementsByTagName(\"textarea\")[0].value.split(\" \");
              for (var i=0; i<256; i++) {
                var avg = 0;
                var div = this.value;
                for (var j = i-parseInt(this.value/2); j <= i+parseInt(this.value/2); j++) {
                  if (pts_a[j]) {
                    avg += parseInt(pts_a[j]);
                  } else if (div > 1) {
                    div--;
                  }
                }
                pts_a[i] = Math.round((avg / div - 1) / 2) * 2 + 1;

                document.getElementById(\"chart\").childNodes[i].style.height = pts_a[i] + \"px\";
                document.getElementById(\"chart\").childNodes[i].style.marginTop = (64-pts_a[i])/2 + \"px\";
              }
              document.getElementById(\"blur_in\").getElementsByTagName(\"textarea\")[0].value = pts_a.join(\" \");

              var evt = document.createEvent(\"Event\");
              evt.initEvent(\"input\", true, false);
              document.getElementById(\"blur_in\").getElementsByTagName(\"textarea\")[0].dispatchEvent(evt);
            ' oninput='
              this.parentNode.childNodes[2].innerText = this.value;
            ' onchange='this.click();'/><span>1</span>""")
            with gr.Accordion(label="Levels", open=False):
              blur_in = gr.Textbox(elem_id="blur_in", label="Kernel size", show_label=False, interactive=False, value=blurin)
          with gr.Group():
            with gr.Accordion(label="Locations", open=False):
              output_frame.select(fn=select_frame, inputs=[output_mask], outputs=[output_mask, selected])
              example_coords = """[
                  {"lat": 50.07379596793083, "lng": 14.437146122950555, "heading": 152.70303, "pitch": 2.607833999999997}, 
                  {"lat": 50.073799567020004, "lng": 14.437146774240507, "heading": 151.12973, "pitch": 2.8672300000000064}, 
                  {"lat": 50.07377647505558, "lng": 14.437161000659017, "heading": 151.41025, "pitch": 3.4802200000000028}, 
                  {"lat": 50.07379496839027, "lng": 14.437148958238538, "heading": 151.93391, "pitch": 2.843050000000005}, 
                  {"lat": 50.073823157821664, "lng": 14.437124189538856, "heading": 152.95769, "pitch": 4.233024999999998}
                ]"""
              coords = gr.Textbox(elem_id="coords", value=example_coords, label="Coordinates", interactive=False)
              mesh_order = gr.Textbox(elem_id="order", value="", label="Order", interactive=False)
            load_all = gr.Checkbox(label="Load all")

          with gr.Group():
            camera = gr.HTML(value="""<div style='width:128px;height:128px;border:1px dotted gray;padding:0;margin:0;float:left;clear:none;' id='seek'></div>
            <span style='max-width:50%;float:right;clear:none;text-align:right;'>
            <a href='#' id='reset_cam' style='float:right;clear:none;color:white' onclick='
              if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                BABYLON.Engine.LastCreatedScene.activeCamera.metadata = { 
                  screenshot: true,
                  pipeline: new BABYLON.DefaultRenderingPipeline(\"default\", true, BABYLON.Engine.LastCreatedScene, [BABYLON.Engine.LastCreatedScene.activeCamera]) 
                }
              } 
              BABYLON.Engine.LastCreatedScene.activeCamera.radius = 0;
              BABYLON.Engine.LastCreatedScene.activeCamera.alpha = 0;
              BABYLON.Engine.LastCreatedScene.activeCamera.beta = Math.PI / 2;
    
              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.samples = 4; 
              BABYLON.Engine.LastCreatedScene.activeCamera.fov = document.getElementById(\"zoom\").value;
              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.contrast = document.getElementById(\"contrast\").value;
              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.exposure = document.getElementById(\"exposure\").value;
              
              document.getElementById(\"model3D\").getElementsByTagName(\"canvas\")[0].style.filter = \"blur(\" + Math.ceil(Math.log2(Math.PI/document.getElementById(\"zoom\").value))/2.0*Math.sqrt(2.0) + \"px)\";
              document.getElementById(\"model3D\").getElementsByTagName(\"canvas\")[0].oncontextmenu = function(e){e.preventDefault();}
              document.getElementById(\"model3D\").getElementsByTagName(\"canvas\")[0].ondrag = function(e){e.preventDefault();}
            '>Reset camera</a><br/>
            <span><label for='zoom' style='width:8em'>Zoom</label><input id='zoom' type='range' style='width:128px;height:1em;' value='0.8' min='0.157' max='1.57' step='0.001' oninput='
              if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                var evt = document.createEvent(\"Event\");
                evt.initEvent(\"click\", true, false);
                document.getElementById(\"reset_cam\").dispatchEvent(evt);
              } 
              BABYLON.Engine.LastCreatedScene.activeCamera.fov = this.value;
              this.parentNode.childNodes[2].innerText = BABYLON.Engine.LastCreatedScene.activeCamera.fov;

              document.getElementById(\"model3D\").getElementsByTagName(\"canvas\")[0].style.filter = \"blur(\" + BABYLON.Engine.LastCreatedScene.getNodes()[parseInt(document.getElementById(\"fnum\").getElementsByTagName(\"input\")[0].value)+1].material.pointSize/2.0*Math.sqrt(2.0) + \"px)\";
            '/><span>0.8</span></span><br/>
            <span><label for='pan' style='width:8em'>Pan</label><input id='pan' type='range' style='width:128px;height:1em;' value='0' min='-16' max='16' step='0.001' oninput='
              if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                var evt = document.createEvent(\"Event\");
                evt.initEvent(\"click\", true, false);
                document.getElementById(\"reset_cam\").dispatchEvent(evt);
              }
              parallax = this.value;
              rdir = BABYLON.Engine.LastCreatedScene.activeCamera.getDirection(xdir);
              videoDomeMesh.position.x = parallax * rdir.x;
              videoDomeMesh.position.z = parallax * rdir.z;
              this.parentNode.childNodes[2].innerText = parallax;
            '/><span>0.0</span></span><br/>
            <span><label for='contrast' style='width:8em'>Contrast</label><input id='contrast' type='range' style='width:128px;height:1em;' value='1.0' min='0' max='2' step='0.001' oninput='
              if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                var evt = document.createEvent(\"Event\");
                evt.initEvent(\"click\", true, false);
                document.getElementById(\"reset_cam\").dispatchEvent(evt);
              } 
              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.contrast = this.value;
              this.parentNode.childNodes[2].innerText = BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.contrast;
            '/><span>1.0</span></span><br/>
            <span><label for='exposure' style='width:8em'>Exposure</label><input id='exposure' type='range' style='width:128px;height:1em;' value='1.0' min='0' max='2' step='0.001' oninput='
              if (!BABYLON.Engine.LastCreatedScene.activeCamera.metadata) {
                var evt = document.createEvent(\"Event\");
                evt.initEvent(\"click\", true, false);
                document.getElementById(\"reset_cam\").dispatchEvent(evt);
              } 
              BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.exposure = this.value;
              this.parentNode.childNodes[2].innerText = BABYLON.Engine.LastCreatedScene.activeCamera.metadata.pipeline.imageProcessing.exposure;
            '/><span>1.0</span></span><br/>
              <a href='#' onclick='snapshot();'>Screenshot</a>
              <a href='#' onclick='record_video();'>Record</a>
              <a href='#' onclick='stop_recording();'>Stop rec.</a>
              <a href='#' onclick='videoPlay();'>Play</a></span>""")
            snapshot = gr.HTML(value="""<img src='' id='img_out' onload='var ctxt = document.getElementById(\"cnv_out\").getContext(\"2d\");ctxt.drawImage(this, 0, 0);'/><br/>
              <canvas id='cnv_out'></canvas>
              <div id='compass_box'><div id='compass'><a id='fullscreen' onclick='
                const model3D = document.getElementById(\"model3D\");
                if (model3D.parentNode.tagName != \"BODY\") {
                  window.modelContainer = model3D.parentNode.id;
                  document.body.appendChild(model3D);
                  model3D.style.position = \"fixed\";
                  model3D.style.left = \"0\";
                  model3D.style.top = \"0\";
                  model3D.style.zIndex = \"100\";
                  document.getElementById(\"compass_box\").style.zIndex = \"101\";
                } else {
                  document.getElementById(window.modelContainer).appendChild(model3D);
                  model3D.style.position = \"relative\";
                  model3D.style.left = \"0\";
                  model3D.style.top = \"0\";
                  model3D.style.zIndex = \"initial\";
                  document.getElementById(\"compass_box\").style.zIndex = \"initial\";
                }'><b style='color:blue;'>◅</b>𝍠<b style='color:red;'>▻</b></a></div>
              </div>
            """)
            render = gr.Button("Render")
            input_json.input(show_json, inputs=[input_json], outputs=[processed_video, processed_zip, output_frame, output_mask, output_depth, coords])

    
    def on_submit(uploaded_video,model_type,blur_in,boffset,bsize,coordinates):
        global locations
        locations = []
        avg = [0, 0]
        
        locations = json.loads(coordinates)
        for k, location in enumerate(locations):
            if "tiles" in locations[k]:
                locations[k]["heading"] = locations[k]["tiles"]["originHeading"]
                locations[k]["pitch"] = locations[k]["tiles"]["originPitch"]
            elif not "heading" in locations[k] or not "pitch" in locations[k]:
                locations[k]["heading"] = 0.0
                locations[k]["pitch"] = 0.0

            if "location" in locations[k]:
                locations[k] = locations[k]["location"]["latLng"]
            elif not "lat" in locations[k] or not "lng" in locations[k]:
                locations[k]["lat"] = 0.0
                locations[k]["lng"] = 0.0
                
            avg[0] = avg[0] + locations[k]["lat"]
            avg[1] = avg[1] + locations[k]["lng"]
                
        if len(locations) > 0:
            avg[0] = avg[0] / len(locations)
            avg[1] = avg[1] / len(locations)
            
        for k, location in enumerate(locations):
            lat = vincenty((location["lat"], 0), (avg[0], 0)) * 1000
            lng = vincenty((0, location["lng"]), (0, avg[1])) * 1000
            locations[k]["lat"] = float(lat / 2.5 * 111 * np.sign(location["lat"]-avg[0]))
            locations[k]["lng"] = float(lng / 2.5 * 111 * np.sign(location["lng"]-avg[1]))
        print(locations)
        # 2.5m is height of camera on google street view car, 
        # distance from center of sphere to pavement roughly 255 - 144 = 111 units
            
        # Process the video and get the path of the output video
        output_video_path = make_video(uploaded_video,encoder=model_type,blur_data=blurin,o=boffset,b=bsize)

        return output_video_path + (json.dumps(locations),)

    submit.click(on_submit, inputs=[input_video, model_type, blur_in, boffset, bsize, coords], outputs=[processed_video, processed_zip, output_frame, output_mask, output_depth, depth_video, coords])
    render.click(None, inputs=[coords, mesh_order, output_frame, output_mask, selected, output_depth, output_switch], outputs=None, js=load_model)
    render.click(partial(get_mesh), inputs=[output_frame, output_mask, blur_in, load_all], outputs=[result, mesh_order])

    example_files = [["./examples/streetview.mp4", "vits", blurin, 1, 32, example_coords]]
    examples = gr.Examples(examples=example_files, fn=on_submit, cache_examples=True, inputs=[input_video, model_type, blur_in, boffset, bsize, coords], outputs=[processed_video, processed_zip, output_frame, output_mask, output_depth, depth_video, coords])
    

if __name__ == '__main__':
    demo.queue().launch()