def concat_videos_reencode(in_paths: List[str],
out_path: str,
debug: bool = False) -> bool:
if len(in_paths) == 0:
return False
elif len(in_paths) == 1:
sh.cp(in_paths[0], out_path)
return path.exists(out_path)
cmd = 'ffmpeg -y'
for path_ in in_paths:
cmd += ' -i ' + sh.path(path_)
cmd += ' -filter_complex "'
for i in range(len(in_paths)):
cmd += '[{}:v] [{}:a] '.format(i, i)
cmd += 'concat=n={}:v=1:a=1 [v] [a]" -map "[v]" -map "[a]" '.format(
len(in_paths)) + sh.path(out_path)
sh.sh(cmd, debug=debug)
return path.exists(out_path)
def concat_videos_copy(in_paths: List[str],
out_path: str,
debug: bool = False) -> bool:
if len(in_paths) == 0:
return False
elif len(in_paths) == 1:
sh.cp(in_paths[0], out_path)
return True
temp_txt_path = path.join(kpath.folder_path_of_file(out_path),
'__temp_list.txt')
temp_txt_content = ''
for in_path in in_paths:
if len(temp_txt_content) > 0:
temp_txt_content += '\n'
temp_txt_content += 'file \'' + in_path + '\''
with open(temp_txt_path, 'w') as f:
f.write(temp_txt_content)
sh.sh('ffmpeg -y -f concat -safe 0 -i ' + sh.path(temp_txt_path) +
' -c copy ' + sh.path(out_path),
debug=debug)
kpath.remove(temp_txt_path)
return path.exists(out_path)
def convert_video_to_16_9(in_path: str,
out_path: str,
debug: bool = False) -> bool:
w, h = ffprobe.video_resolution(in_path)
if h is None or w is None:
return False
if h == 1080 and w == 1920:
sh.cp(in_path, out_path)
return True
if w / h < 16 / 9:
sh.sh(
'ffmpeg -y -i ' + sh.path(in_path) +
" -vf 'split[original][copy];[copy]scale=1920:-1,setsar=1:1,crop=h=1080,gblur=sigma=75[blurred];[original]scale=-1:1080[original_resized];[blurred][original_resized]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2' "
+ sh.path(out_path),
debug=debug)
else:
sh.sh(
'ffmpeg -y -i ' + sh.path(in_path) +
" -vf 'split[original][copy];[copy]scale=-1:1080,setsar=1:1,crop=w=1920,gblur=sigma=75[blurred];[original]scale=1920:-1[original_resized];[blurred][original_resized]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2' "
+ sh.path(out_path),
debug=debug)
return path.exists(out_path)
def create_video_from_image_paths(image_paths: List[str],
output_file_path: str,
seconds_per_image: float = 3.0,
temp_folder_path: Optional[str] = None,
debug: bool = False) -> bool:
temp_folder_path = temp_folder_path or path.join(
kpath.folder_path_of_file(), '.__ffmpeg_images_temp')
import os
os.makedirs(temp_folder_path, exist_ok=True)
file_base_name = 'image'
i = 1
file_extension = kpath.extension(image_paths[0], include_dot=True)
for image_path in image_paths:
new_image_path = path.join(
temp_folder_path,
file_base_name + '{:03d}'.format(i) + file_extension)
sh.cp(image_path, new_image_path)
i += 1
res = create_video_from_images(temp_folder_path,
output_file_path,
seconds_per_image=seconds_per_image,
file_base_name=file_base_name,
file_extension=file_extension,
debug=debug)
kpath.remove(temp_folder_path)
return res
def rotate_video(path_in: str,
path_out: str,
times_90_degrees: int,
debug: bool = False) -> bool:
times_90_degrees = times_90_degrees % 4
rot_val = 1 if times_90_degrees > 0 else 2
if times_90_degrees == 0:
sh.cp(path_in, path_out)
else:
sh.sh('ffmpeg -y -i {} -vf "{}" {}'.format(
sh.path(path_in), ','.join([
'transpose={}'.format(rot_val) for _ in range(times_90_degrees)
]), sh.path(path_out)),
debug=debug)
return path.exists(path_out)
def concat_videos_loop(in_paths: List[str],
out_path: str,
video_duration: float,
randomize_videos: Optional[bool] = False,
debug: bool = False) -> bool:
if len(in_paths) == 0:
return False
elif len(in_paths) == 1:
sh.cp(in_paths[0], out_path)
return True
temp_txt_path = path.join(kpath.folder_path_of_file(out_path),
'__temp_video_paths.txt')
current_video_duration = 0
final_text = ''
while current_video_duration < video_duration:
if randomize_videos:
random.shuffle(in_paths)
for vid_path in in_paths:
final_text += 'file ' + '\'' + vid_path + '\'\n'
subvid_duration = ffprobe.get_duration(vid_path)
current_video_duration += subvid_duration
if current_video_duration >= video_duration:
with open(temp_txt_path, 'w') as f:
f.write(final_text)
break
sh.sh('ffmpeg -y -f concat -safe 0 -i ' + sh.path(temp_txt_path) +
' -c copy ' + sh.path(out_path),
debug=debug)
kpath.remove(temp_txt_path)
return path.exists(out_path)