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async def voice_cb(message):
    global player, ytqueue
    if ytqueue:
        return
    if player:
        if player.is_playing():
            return
    to_say = codecs.encode(message.clean_content[len(prefix + "speak "):], 'ascii', 'replace')
    # await client.send_message(message.channel, to_say)
    if client.is_voice_connected():
        # await client.send_message(message.channel, "Now saying: " + to_say)
        cur_params = []
        for k, v in tts_params.items():
            cur_params += ["-" + k, v]
        O = subprocess.run(['espeak', '-k', '20'] + cur_params + [to_say, '-w', 'temp.wav'])
        player = VC.create_ffmpeg_player("temp.wav")
        player.start()
    else:
        await client.send_message(message.channel, "Voice client is not connected.")
 
async def next_video_cb(message):
    global ytqueue
    if len(ytqueue) == 0:
        await client.send_message(message.channel, "Nothing to skip.")
        return
    next_video()
    if len(ytqueue) == 0:
        await client.send_message(message.channel, "Skipped video. Reached end of queue")
    else:
        await client.send_message(message.channel, "Skipped video. Now playing: " + ytqueue[0].title)
 
def next_video():
    global ytqueue
    if len(ytqueue) > 0:
        ytplayer = ytqueue.pop(0)
        try_stop_player(ytplayer)
        if len(ytqueue) > 0:
            ytqueue[0].start()
 
async def youtube_cb(message):
    global player, ytqueue
    if player:
        if player.is_playing():
            return
 
    if client.is_voice_connected():
        vidhash = message.content.split()[1]
        url = "http://youtu.be/" + vidhash
        for attempt in range(3):
            try:
                ytplayer = await VC.create_ytdl_player(url, after = next_video)
            except:
                pass
            else:
                break
        else:
            await client.send_message(message.channel, "Whoops! I couldn't get that video for you.  Try another?")
            return
        if len(ytqueue) == 0:
            await client.send_message(message.channel, "Now playing: " + ytplayer.title)
            ytplayer.start()
        else:
            await client.send_message(message.channel, "Queued: " + ytplayer.title)
        ytplayer.message = message
        ytqueue.append(ytplayer)
    else:
        await client.send_message(message.channel, "Voice client is not connected.")
 
def try_stop_player(player_ob):
    if not player_ob:
        return
    while player_ob.is_playing():
        try:
            player_ob.stop()
        except:
            pass
 
async def stop_player_cb(message):
    global player, ytqueue
    try_stop_player(player)
    if len(ytqueue) > 0:
        try_stop_player(ytqueue[0])
        ytqueue = []