248 lines
8.9 KiB
Python
248 lines
8.9 KiB
Python
import io
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from contextlib import redirect_stderr
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import os
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from collections import Counter
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import cv2
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import glob
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import re
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import subprocess
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import argparse
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import copy
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parser = argparse.ArgumentParser()
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parser.add_argument("-i", "--input_dir", default="./", help="Input vid directory")
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parser.add_argument("-o", "--output_dir", default="./out", help="Output vid directory")
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parser.add_argument("-d", "--debug", default=False, action="store_true", help="for debugging. short output")
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args = parser.parse_args()
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def resizeCropInfo(key, cropPos, frame_width, frame_height):
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def _IsOutOfBound(_cropPos):
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w, h, x, y = _cropPos
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if (w + x) > frame_width or (h + y) > frame_height:
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return True
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if (x < 0) or (y < 0):
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return True
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if (w <= 0) or (h <= 0):
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return True
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w, h, x, y = cropPos
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# Left (Expand width)
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if key == ord('j') or key == ord('J'):
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x -= 1
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w += 2
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# Right (Shrink width)
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elif key == ord('l') or key == ord('L'):
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x += 1
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w -= 2
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# Up (Expand height)
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elif key == ord('i') or key == ord('I'):
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y -= 1
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h += 2
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# Down (Shrink height)
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elif key == ord('k') or key == ord('K'):
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y += 1
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h -= 2
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# Num 4 (Move left)
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elif key == ord('a') or key == ord('A'):
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# w -= 1
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x -= 1
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# Num 6 (Move right)
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elif key == ord('d') or key == ord('D'):
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# w += 1
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x += 1
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# Num 8 (Move upward)
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elif key == ord('w') or key == ord('W'):
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# h -= 1
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y -= 1
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# Num 2 (Move downward)
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elif key == ord('s') or key == ord('S'):
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# h += 1
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y += 1
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_cropPos = w, h, x, y
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if not _IsOutOfBound(_cropPos):
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cropPos = _cropPos
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print("Current Crop Info : ", end="")
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print(cropPos, end="\r")
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return cropPos
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def main():
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vid_types = ('*.avi', '*.mov', '*.mp4', '*.mxf')
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vid_grapped = []
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for types in vid_types :
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vid_grapped += sorted(glob.glob(os.path.join(args.input_dir, types)))
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#--------------------------------------------------------
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f = io.StringIO()
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#--------------------------------------------------------
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for fpath in vid_grapped:
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# debugging
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# fpath = "01. TRAX - PARADOX MV.avi"
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vid_name = os.path.basename(fpath)[:-4]
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print("File to detect crop: ", fpath)
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p = subprocess.Popen(["ffmpeg", "-ss", "10", "-i", fpath, "-vf", "cropdetect=limit=38",
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"-vframes", "3000", "-f", "null", "out.null"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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infos = p.stderr.read().decode('utf-8')
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# print (infos)
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allCrops = re.findall("crop=\S+", infos)
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# print ("Crop Infos : ")
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# print (allCrops)
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mostCommonCrop = Counter(allCrops).most_common(1)
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print("most common detected crop info: %s" % mostCommonCrop)
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global crop
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crop = mostCommonCrop[0][0]
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# Delete "crop=" in list cropPos
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cropPos = crop.split(":")
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cropPos[0] = cropPos[0][5:]
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cropPos = [int(x) for x in cropPos]
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with redirect_stderr(f):
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# Capture vid, Get Vid info
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capture = cv2.VideoCapture(fpath)
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frame_width = capture.get(cv2.CAP_PROP_FRAME_WIDTH)
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frame_height = capture.get(cv2.CAP_PROP_FRAME_HEIGHT)
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fps = capture.get(cv2.CAP_PROP_FPS)
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frame_pos = 0
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frame_count = 0
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target_ratio = 16 / 9
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# Crop Area even num check
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if (cropPos[0] % 2) != 0 :
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if (cropPos[0] + 1) >= frame_width:
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cropPos[0] -= 1
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else:
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cropPos[0] += 1
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if (cropPos[1] % 2) != 0 :
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if (cropPos[1] + 1) >= frame_width:
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cropPos[1] -= 1
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else:
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cropPos[1] += 1
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print("Target Ratio : %.5f" %target_ratio)
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print("Input dir :", args.input_dir)
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key = None
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isPaused = False
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pausedFrame = None
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frame = None
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cv2.namedWindow(f'{vid_name}')
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while True:
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key = cv2.waitKeyEx(10)
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# Handle close button event
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if cv2.getWindowProperty(f'{vid_name}', cv2.WND_PROP_VISIBLE) < 1 :
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return
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if key > 0 :
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# 13 == Enter key ASCII Code
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if key == 13:
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break
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# Pause
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elif key == ord('p') or key == ord('P'):
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if isPaused :
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isPaused = False
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else :
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isPaused = True
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frame = copy.deepcopy(pausedFrame)
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# Replay
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elif key == ord('r') or key == ord('R'):
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if not isPaused:
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capture = cv2.VideoCapture(fpath)
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continue
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# Move Forward (10s)
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elif key == ord('e') or key == ord('E'):
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if not isPaused:
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capture.set(cv2.CAP_PROP_POS_FRAMES, frame_pos + (fps * 10))
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# Move Backward (10s)
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elif key == ord('q') or key == ord('Q'):
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if not isPaused:
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capture.set(cv2.CAP_PROP_POS_FRAMES, frame_pos - (fps * 10))
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else:
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# Crop Area control
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cropPos = resizeCropInfo(key, cropPos, frame_width, frame_height)
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frame_pos = capture.get(cv2.CAP_PROP_POS_FRAMES)
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frame_count = capture.get(cv2.CAP_PROP_FRAME_COUNT)
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if(frame_pos >= frame_count):
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break
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if not isPaused:
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ret, frame = capture.read()
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pausedFrame = copy.deepcopy(frame)
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cv2.rectangle(frame, (cropPos[2], cropPos[3]), (cropPos[2] + cropPos[0],
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cropPos[3] + cropPos[1]), (0, 0, 255), thickness=1, lineType=cv2.LINE_8)
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cv2.imshow(f'{vid_name}', frame)
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else :
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pausedFrame = copy.deepcopy(frame)
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cv2.rectangle(pausedFrame, (cropPos[2], cropPos[3]), (cropPos[2] + cropPos[0],
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cropPos[3] + cropPos[1]), (0, 0, 255), thickness=1, lineType=cv2.LINE_8)
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cv2.imshow(f'{vid_name}', pausedFrame)
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capture.release()
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cv2.destroyAllWindows()
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# Debugging
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# cropPos[0] = 678
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# cropPos[1] = 402
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# cropPos[2] = 20
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# cropPos[3] = 38
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# pad_arg = ""
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# ffmpeg filter args
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crop_arg = f"crop={cropPos[0]}:{cropPos[1]}:{cropPos[2]}:{cropPos[3]},"
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print(f"[CropInfo] (W : {cropPos[0]}), (H : {cropPos[1]}), (X : {cropPos[2]}), (Y : {cropPos[3]})")
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crop_ratio = cropPos[0] / cropPos[1]
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scale_arg = ""
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# # Set padding argument
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if target_ratio < crop_ratio:
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offset = (9 * cropPos[0] - 16 * cropPos[1]) / 16
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if int(offset) % 2 != 0:
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offset += 1
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tmp_height = cropPos[1] + offset
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# scale_arg = f"scale=w={cropPos[0]}:h={tmp_height},"
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pad_arg = f"pad={cropPos[0]}:{tmp_height}:(ow-iw)/2:(ih-oh)/2,"
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print(f"[PadInfo] (W : {cropPos[0]}), (H : {tmp_height})")
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else:
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offset = (16 * cropPos[1] - 9 * cropPos[0]) / 9
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if int(offset) % 2 != 0:
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offset += 1
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tmp_width = cropPos[0] + offset
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# scale_arg = f"scale=w={tmp_width}:h={cropPos[1]},"
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pad_arg = f"pad={tmp_width}:{cropPos[1]}:(ow-iw)/2:(ih-oh)/2,"
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print(f"[PadInfo] (W : {tmp_width}), (H : {cropPos[1]})")
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print("Encoding \"%s\" ..." % vid_name)
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if not os.path.exists(args.output_dir) :
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os.mkdir(args.output_dir)
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print(f'{args.output_dir} created')
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output_path = os.path.join(args.output_dir, f"{vid_name}_cropped.mp4")
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if args.debug:
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# for Debug
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p = subprocess.Popen(["ffmpeg", "-t", "15", "-ss", "30", "-i", fpath, "-vf", crop_arg + scale_arg + pad_arg + "setsar=sar=1", "-y",
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"-pix_fmt", "yuv420p", "-c:v", "libx264", "-crf", "0", "-preset", "medium", "-loglevel", "error", f"{output_path}"])
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else:
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p = subprocess.Popen(["ffmpeg", "-i", fpath, "-vf", crop_arg + scale_arg + pad_arg + "setsar=sar=1", "-y", "-pix_fmt",
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"yuv420p", "-c:v", "libx264", "-crf", "0", "-preset", "medium", "-loglevel", "error", f"{output_path}"])
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print("Encoding Done.")
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# debugging
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# return
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if __name__ == "__main__":
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main()
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