first commit

video_converter.py

@@ -0,0 +1,62 @@
+from glob import glob
+import os
+import subprocess 
+
+
+base_folder = f'C:{os.sep}Users{os.sep}Zoltan{os.sep}Videos{os.sep}'
+save_file = "converted.txt"
+
+def get_video_length(filename):
+    result = subprocess.run(["ffprobe", "-v", "error", "-show_entries",
+                             "format=duration", "-of",
+                             "default=noprint_wrappers=1:nokey=1", filename],
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT)
+    return float(result.stdout)
+
+def create_temp_file_name(split):
+    return f'{split[0]}{os.sep}TEMP_{split[1]}'
+
+
+
+file_names = glob(f'{base_folder}*{os.sep}*.mp4')
+
+f = open(save_file, "r+")
+converted_files = [line.rstrip(os.linesep) for line in f]
+for file_name in file_names:
+    if(file_name not in converted_files):
+        split = file_name.rsplit(os.sep,1) 
+        temp_name = create_temp_file_name(split)
+        print(f'Convert started: {file_name}')
+        os.system(f'ffmpeg -v quiet -stats -hwaccel cuda -i \"{file_name}\" -preset veryfast -c:v libx264 -crf 18   -c:a copy \"{temp_name}\"')  
+        os.remove(file_name)
+        os.rename(temp_name,f'{split[0]}{os.sep}{split[1]}')
+        f.write(file_name+os.linesep)
+
+clips = glob(f'{base_folder}*.mp4')
+for clip in clips:
+    if(clip not in converted_files):
+        split = clip.rsplit(os.sep,1)
+        temp_name = create_temp_file_name(split)
+        file_stats = os.stat(clip)
+        duration = get_video_length(clip)
+        tries = 0
+        under_25 = False
+        while not under_25:
+            bitrate = ( 24 * 8192.0 ) / ( 1.048576 * duration ) * (1- tries*0.05)
+
+            print(f'Duration: {duration} Bitrate: {bitrate} Tries: {tries+1}')
+            print(f'Convert started: {clip}')
+
+            os.system(f'ffmpeg  -v quiet -stats -i \"{clip}\" -c:v libx264 -preset veryfast -b {bitrate:.0f}k -c:a copy \"{temp_name}\"')
+
+            temp_file_stat = os.stat(temp_name)
+            print(f'file size stats: {temp_file_stat.st_size}, ------> {(temp_file_stat.st_size / (1024 * 1024))}')
+            if(25>(temp_file_stat.st_size / (1024 * 1024))):
+                under_25 = True
+                os.remove(clip)
+                os.rename(temp_name,f'{split[0]}{os.sep}{split[1]}')
+            else:
+                tries +=1
+                os.remove(temp_name)
+        f.write(clip+os.linesep)