Class CustomAudioTrack

examples/custom_source.py:9–25

class CustomAudioTrack(DeferredAudioTrack):
    # A DeferredAudioTrack allows us to load metadata now, and a playback URL later.
    # This makes the DeferredAudioTrack highly efficient, particularly in cases
    # where large playlists are loaded.

    async def load(self, client):  # Load our 'actual' playback track using the metadata from this one.
        result: LoadResult = await client.get_tracks('ytsearch:{0.title} {0.author}'.format(self))  # Search for our track on YouTube.

        if result.load_type != LoadType.SEARCH or not result.tracks:  # We're expecting a 'SEARCH' due to our 'ytsearch' prefix above.
            raise LoadError

        first_track = result.tracks[0]  # Grab the first track from the results.
        base64 = first_track.track  # Extract the base64 string from the track.
        self.track = base64  # We'll store this for later, as it allows us to save making network requests
        # if this track is re-used (e.g. repeat).

        return base64


class CustomSource(Source):