From a7da23c6da411442dc4ef6af91447820d0b0e517 Mon Sep 17 00:00:00 2001
From: James Taylor <user234683@users.noreply.github.com>
Date: Mon, 23 Aug 2021 19:50:57 -0700
Subject: Add video quality selector
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Jesús <heckyel@hyperbola.info>
---
 youtube/watch.py | 39 +++++++++++++++++++++++++++++++--------
 1 file changed, 31 insertions(+), 8 deletions(-)

(limited to 'youtube/watch.py')

diff --git a/youtube/watch.py b/youtube/watch.py
index 3ca39ad..b879c37 100644
--- a/youtube/watch.py
+++ b/youtube/watch.py
@@ -46,6 +46,7 @@ def get_video_sources(info):
         if fmt['acodec'] and fmt['vcodec']:
             source = {
                 'type': 'video/' + fmt['ext'],
+                'quality_string': short_video_quality_string(fmt),
             }
             source.update(fmt)
             uni_sources.append(source)
@@ -59,6 +60,7 @@ def get_video_sources(info):
             source = {
                 'type': 'audio/' + fmt['ext'],
                 'bitrate': fmt['audio_bitrate'],
+                'quality_string': audio_quality_string(fmt),
             }
             source.update(fmt)
             source['mime_codec'] = (source['type'] + '; codecs="'
@@ -68,6 +70,7 @@ def get_video_sources(info):
         elif all(fmt[attr] for attr in ('vcodec', 'quality', 'width')):
             source = {
                 'type': 'video/' + fmt['ext'],
+                'quality_string': short_video_quality_string(fmt),
             }
             source.update(fmt)
             source['mime_codec'] = (source['type'] + '; codecs="'
@@ -415,15 +418,24 @@ def video_quality_string(format):
     return '?'
 
 
-def audio_quality_string(format):
-    if format['acodec']:
-        result = str(format['audio_bitrate'] or '?') + 'k'
-        if format['audio_sample_rate']:
-            result += ' ' + str(format['audio_sample_rate']) + ' Hz'
+def short_video_quality_string(fmt):
+    result = str(fmt['quality'] or '?') + 'p'
+    if fmt['fps']:
+        result += ' ' + str(fmt['fps']) + 'fps'
+    return result
+
+
+def audio_quality_string(fmt):
+    if fmt['acodec']:
+        if fmt['audio_bitrate']:
+            result = '%d' % fmt['audio_bitrate'] + 'k'
+        else:
+            result = '?k'
+        if fmt['audio_sample_rate']:
+            result += ' ' + '%.3G' % (fmt['audio_sample_rate']/1000) + 'kHz'
         return result
-    elif format['vcodec']:
+    elif fmt['vcodec']:
         return 'video only'
-
     return '?'
 
 
@@ -551,13 +563,23 @@ def get_watch_page(video_id=None):
         })
 
     source_info = get_video_sources(info)
-    uni_idx = source_info['uni_idx']
+    uni_sources = source_info['uni_sources']
+    pair_sources = source_info['pair_sources']
+    uni_idx, pair_idx = source_info['uni_idx'], source_info['pair_idx']
     video_height = yt_data_extract.deep_get(source_info, 'uni_sources',
                                             uni_idx, 'height',
                                             default=360)
     video_width = yt_data_extract.deep_get(source_info, 'uni_sources',
                                            uni_idx, 'width',
                                            default=640)
+
+    pair_quality = yt_data_extract.deep_get(pair_sources, pair_idx, 0,
+                                            'quality')
+    uni_quality = yt_data_extract.deep_get(uni_sources, uni_idx, 'quality')
+    using_pair_sources = (
+        pair_sources and (not uni_sources or pair_quality != uni_quality)
+    )
+
     # 1 second per pixel, or the actual video width
     theater_video_target_width = max(640, info['duration'] or 0, video_width)
 
@@ -642,6 +664,7 @@ def get_watch_page(video_id=None):
         },
         font_family=youtube.font_choices[settings.font],
         **source_info,
+        using_pair_sources = using_pair_sources,
     )
 
 
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