Add a resolution field and improve general --list-formats output

youtube_dl/YoutubeDL.py

@@ -1007,13 +1007,15 @@ class YoutubeDL(object):
     def format_resolution(format, default='unknown'):
         if format.get('vcodec') == 'none':
             return 'audio only'
-        if format.get('_resolution') is not None:
+        if format.get('resolution') is not None:
-            return format['_resolution']
+            return format['resolution']
         if format.get('height') is not None:
             if format.get('width') is not None:
                 res = u'%sx%s' % (format['width'], format['height'])
             else:
                 res = u'%sp' % format['height']
+        elif format.get('width') is not None:
+            res = u'?x%d' % format['width']
         else:
             res = default
         return res
@@ -1025,11 +1027,11 @@ class YoutubeDL(object):
                 res += fdict['format_note'] + u' '
             if (fdict.get('vcodec') is not None and
                     fdict.get('vcodec') != 'none'):
-                res += u'%-5s' % fdict['vcodec']
+                res += u'%-5s@' % fdict['vcodec']
-            elif fdict.get('vbr') is not None:
+            elif fdict.get('vbr') is not None and fdict.get('abr') is not None:
-                res += u'video'
+                res += u'video@'
             if fdict.get('vbr') is not None:
-                res += u'@%4dk' % fdict['vbr']
+                res += u'%4dk' % fdict['vbr']
             if fdict.get('acodec') is not None:
                 if res:
                     res += u', '
@@ -1064,7 +1066,7 @@ class YoutubeDL(object):
 
         header_line = line({
             'format_id': u'format code', 'ext': u'extension',
-            '_resolution': u'resolution', 'format_note': u'note'}, idlen=idlen)
+            'resolution': u'resolution', 'format_note': u'note'}, idlen=idlen)
         self.to_screen(u'[info] Available formats for %s:\n%s\n%s' %
                        (info_dict['id'], header_line, u"\n".join(formats_s)))
 

youtube_dl/extractor/common.py

@@ -37,10 +37,12 @@ class InfoExtractor(object):
     id:             Video identifier.
     title:          Video title, unescaped.
 
-    Additionally, it must contain either a formats entry or url and ext:
+    Additionally, it must contain either a formats entry or a url one:
 
-    formats:        A list of dictionaries for each format available, it must
+    formats:        A list of dictionaries for each format available, ordered
-                    be ordered from worst to best quality. Potential fields:
+                    from worst to best quality.
+
+                    Potential fields:
                     * url        Mandatory. The URL of the video file
                     * ext        Will be calculated from url if missing
                     * format     A human-readable description of the format
@@ -53,12 +55,17 @@ class InfoExtractor(object):
                                  ("3D" or "DASH video")
                     * width      Width of the video, if known
                     * height     Height of the video, if known
+                    * resolution Textual description of width and height
                     * abr        Average audio bitrate in KBit/s
                     * acodec     Name of the audio codec in use
                     * vbr        Average video bitrate in KBit/s
                     * vcodec     Name of the video codec in use
                     * filesize   The number of bytes, if known in advance
                     * player_url SWF Player URL (used for rtmpdump).
+                    * preference Order number of this format. If this field is
+                                 present, the formats get sorted by this field.
+                                 -1 for default (order by other properties),
+                                 -2 or smaller for less than default.
     url:            Final video URL.
     ext:            Video filename extension.
     format:         The video format, defaults to ext (used for --get-format)