mpv-visualizer: pass in vo/ao pads as substitutions

marcan · marcan · commit c2fbe3a30570 · 2020-10-30T19:20:20.000+09:00
This is intended for an experiment with overlaying the visualizer on
backgrounds, but I'm leaving that for later since I'm running into
ffmpeg issues...
diff --git a/blitzloop/mpvplayer.py b/blitzloop/mpvplayer.py
@@ -130,7 +130,9 @@ def load_song(self, song):
             self.mpv.set_property("vid", "no")
             if self.opts.mpv_visualizer:
                 self.mpv.set_property("lavfi-complex", self.opts.mpv_visualizer % {
-                    "volume": song.volume
+                    "volume": song.volume,
+                    "vo": "vo",
+                    "ao": "ao"
                 })
                 self.mpv.set_property("keepaspect", False)
                 # dim visualization a bit
diff --git a/blitzloop/util.py b/blitzloop/util.py
@@ -63,7 +63,7 @@ def init_argparser():
         '--mpv-hwdec', default=None,
         help='Hardware decoding mode for libmpv (try --mpv-hwdec=vaapi)')
     parser.add_argument(
-        '--mpv-visualizer', default="[aid1]asplit=2[ao][a1]; [a1]volume=volume=%(volume)f * 3.0,showcqt=bar_v=8:count=1:basefreq=120:csp=bt709:s=128x72:axis=0:fps=60:sono_h=0:bar_g=3:cscheme=0.5|1|0|0|0.5|1,format=pix_fmts=rgb24,split[c1][c2]; [c2]vflip,hflip[c3]; [c1][c3]blend=all_mode=addition[vo]",
+        '--mpv-visualizer', default="[aid1]asplit=2[%(ao)s][a1]; [a1]volume=volume=%(volume)f * 3.0,showcqt=bar_v=8:count=1:basefreq=120:csp=bt709:s=128x72:axis=0:fps=60:sono_h=0:bar_g=3:cscheme=0.5|1|0|0|0.5|1,format=pix_fmts=rgb24,split[c1][c2]; [c2]vflip,hflip[c3]; [c1][c3]blend=all_mode=addition[%(vo)s]",
         help='Visualizer filter for no-video songs')
     parser.add_argument(
         '--fps', default="60", type=int,
