rip-py: Support overriding the quality

This is a backup from 2021-01-01 which adds the `--quality` option to
the `all` and `single` commands.

rip-py/rip.py

@@ -64,7 +64,7 @@ def _get_audio_map(title=None, mpv_output=None, device=None):
 
 @with_fifo
 def _rip_title(title, output_dir, fifo_path, device=None, media_type=None,
-               keep_audio=False):
+               keep_audio=False, quality=18):
     out_file = os.path.join(output_dir, '{}.mkv'.format(title))
 
     mpv_cmd = ['mpv', '--quiet', '--stream-dump={}'.format(fifo_path),
@@ -82,7 +82,7 @@ def _rip_title(title, output_dir, fifo_path, device=None, media_type=None,
                   #'-c:a', 'flac',
                   '-c:a', 'copy',
                   '-c:v', 'h264',
-                  '-crf', '18',
+                  '-crf', '{}'.format(quality),
                   '-pix_fmt', 'yuv420p',
                   #'-x264-params', 'keyint=240:min-keyint=20',
                   '-preset:v', 'slower',
@@ -192,11 +192,12 @@ def _get_dvd_titles(device=None):
 @click.option('-d', '--device', type=DEVICE_OR_DIRECTORY_TYPE)
 @click.option('--media-type', type=click.Choice(['film', 'animation']))
 @click.option('--keep-audio', is_flag=True)
-def all(output_dir, device=None, media_type=None, keep_audio=False):
+@click.option('--quality', type=click.INT)
+def all(output_dir, device=None, media_type=None, keep_audio=False, quality=18):
     titles = _get_dvd_titles(device=device)
     for title in range(0, titles):
         _rip_title(title, output_dir, device=device, media_type=media_type,
-                   keep_audio=keep_audio)
+                   keep_audio=keep_audio, quality=quality)
 
 
 @cli.command()
@@ -205,9 +206,11 @@ def all(output_dir, device=None, media_type=None, keep_audio=False):
 @click.option('-d', '--device', type=DEVICE_OR_DIRECTORY_TYPE)
 @click.option('--media-type', type=click.Choice(['film', 'animation']))
 @click.option('--keep-audio', is_flag=True)
-def single(title, output_dir, device=None, media_type=None, keep_audio=False):
+@click.option('--quality', type=click.INT)
+def single(title, output_dir, device=None, media_type=None, keep_audio=False,
+        quality=18):
     _rip_title(title, output_dir, device=device, media_type=media_type,
-               keep_audio=keep_audio)
+               keep_audio=keep_audio, quality=quality)
 
 
 @cli.command('get-chapters')