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Make FPS and quality mappings class attributes of VideoInfo

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MoojMidge 2024-03-29 03:13:34 +11:00
parent 287f2c39b5
commit 0768285590
1 changed files with 39 additions and 35 deletions
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74
resources/lib/youtube_plugin/youtube/helper/video_info.py
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@ -588,6 +588,40 @@ class VideoInfo(YouTubeRequestClient):
'video': {'height': 0, 'encoding': ''}}
}
INTEGER_FPS_SCALE = {
0: '{0}000/1000', # --.00 fps
24: '24000/1000', # 24.00 fps
25: '25000/1000', # 25.00 fps
30: '30000/1000', # 30.00 fps
48: '48000/1000', # 48.00 fps
50: '50000/1000', # 50.00 fps
60: '60000/1000', # 60.00 fps
},
FRACTIONAL_FPS_SCALE = {
0: '{0}000/1000', # --.00 fps
24: '24000/1001', # 23.976 fps
25: '25000/1000', # 25.00 fps
30: '30000/1001', # 29.97 fps
48: '48000/1000', # 48.00 fps
50: '50000/1000', # 50.00 fps
60: '60000/1001', # 59.94 fps
}
QUALITY_FACTOR = {
# video - order based on comparative compression ratio
'av01': 1,
'vp9': 0.75,
'vp8': 0.55,
'avc1': 0.5,
# audio - order based on preference
'vorbis': 0.75,
'mp4a': 0.9,
'opus': 1,
'ac-3': 1.1,
'ec-3': 1.2,
'dts': 1.3,
}
def __init__(self, context, access_token='', **kwargs):
self.video_id = None
self._context = context
@ -1463,41 +1497,12 @@ class VideoInfo(YouTubeRequestClient):
allow_hfr = 'hfr' in stream_features
disable_hfr_max = 'no_hfr_max' in stream_features
allow_ssa = 'ssa' in stream_features
integer_frame_rate_hint = 'no_frac_fr_hint' in stream_features
fps_map = (self.INTEGER_FPS_SCALE
if 'no_frac_fr_hint' in stream_features else
self.FRACTIONAL_FPS_SCALE)
stream_select = _settings.stream_select()
fps_scale_map = {
0: '{0}000/1000', # --.00 fps
24: '24000/1000', # 24.00 fps
25: '25000/1000', # 25.00 fps
30: '30000/1000', # 30.00 fps
48: '48000/1000', # 48.00 fps
50: '50000/1000', # 50.00 fps
60: '60000/1000', # 60.00 fps
} if integer_frame_rate_hint else {
0: '{0}000/1000', # --.00 fps
24: '24000/1001', # 23.976 fps
25: '25000/1000', # 25.00 fps
30: '30000/1001', # 29.97 fps
48: '48000/1000', # 48.00 fps
50: '50000/1000', # 50.00 fps
60: '60000/1001', # 59.94 fps
}
quality_factor_map = {
# video - order based on comparative compression ratio
'av01': 1,
'vp9': 0.75,
'vp8': 0.55,
'avc1': 0.5,
# audio - order based on preference
'vorbis': 0.75,
'mp4a': 0.9,
'opus': 1,
'ac-3': 1.1,
'ec-3': 1.2,
'dts': 1.3,
}
audio_data = {}
video_data = {}
@ -1647,8 +1652,7 @@ class VideoInfo(YouTubeRequestClient):
# map frame rates to a more common representation to lessen the
# chance of double refresh changes
if fps:
frame_rate = (fps_scale_map.get(fps)
or fps_scale_map[0].format(fps))
frame_rate = fps_map.get(fps) or fps_map[0].format(fps)
else:
frame_rate = None
@ -1687,7 +1691,7 @@ class VideoInfo(YouTubeRequestClient):
'height': height,
'label': label,
'bitrate': bitrate,
'biasedBitrate': bitrate * quality_factor_map.get(codec, 1),
'biasedBitrate': bitrate * self.QUALITY_FACTOR.get(codec, 1),
# integer round up
'duration': -(-int(stream.get('approxDurationMs', 0)) // 1000),
'fps': fps,