It's a no-op and deprecated.

URLContext is deprecated.

avcodec_decode_audio3() has been added in libavformat 52.25.0, and the
predecessor avcodec_decode_audio2() has been deprecated.

All modern distros ship 0.5, so there's no need to support old and buggy
ffmpeg versions.

Conflicts:
	NEWS
	configure.ac

Conflicts:
	NEWS
	configure.ac
	src/listen.c

There is a global despotify session, so it should not be initialized
until needed.

These fixes were mostly generated with `codespell' [0] and manually
reviewed.

[0] http://git.profusion.mobi/cgit.cgi/lucas/codespell/

For spotify playlists or tracks. Uses a spt uri, so with mpc you can
add playlists with

  mpc load spt://spotify:user:simon.kagstrom:playlist:3SUwkOe5VbVHysZcidEZtH

For Spotify tracks. Uses a spt URI, so with mpc you can play tracks
with e.g.,

  mpc add spt://spotify:track:5qENVY0YEdZ7fiuOax70x1
  mpc play

Uses the pcm_decoder_plugin for the output

Used to connect and authenticate to despotify. Provides a singleton
session and a desptoify-track-to-tags function.

Fix clang warning.

Use audio_format_mask_valid() to verify a mask.

Thanks to clang for complaining.

E.g., spotify isn't seekable.

Otherwise the song playing might go on forever.

Otherwise OGGs can't be played.

Should fix build errors for Win32.

Conflicts:
	Makefile.am
	NEWS
	configure.ac

Call print_playlist_result() instead of casting the enum implicitly.

Fixes build failure on WIN32.

Fix compiler warning.

Without the ogg_stream_reset() call, the "e_o_s" flag never gets
reset, and libogg writes EOS packets over and over.

Without the ogg_stream_reset() call, the "e_o_s" flag never gets
reset, and libogg writes EOS packets over and over.

Conflicts:
	NEWS
	configure.ac
	src/output/jack_plugin.c
	src/update.c