add donation address to reloaded, add comment in vj-performer on audio

veejay-current/veejay-client/src/vj-api.c

@@ -1599,6 +1599,7 @@ void	about_dialog()
 {
 	"You can donate cryptocoins!\n"\
 	"Bitcoin: 1PUNRsv8vDt1upTx9tTpY5sH8mHW1DTrKJ\n"
+	"or via PayPal: veejayhq@gmail.com\n"
 };
 
 	sprintf(blob, "Veejay - A visual instrument and realtime video sampler for GNU/Linux\n%s\n%s", os_str, donate );

veejay-current/veejay-server/veejay/vj-perform.c

@@ -811,6 +811,11 @@ int vj_perform_init_audio(veejay_t * info)
 	    audio_buffer[i] = lin_audio_buffer_ + (PERFORM_AUDIO_SIZE * i);
 	}
  
+	/* 
+	 * The simplest way to time stretch the audio is to resample it and then playback the waveform at the original sampling frequency
+	 * This also lowers or raises the pitch, making it just like speeding up or down a tape recording. Perfect!
+	 */
+
 	for( i = 0; i <= MAX_SPEED; i ++ )
 	{
 		int out_rate = (info->edit_list->audio_rate * (i+2));