#! /usr/bin/python
# Sample code for pyalsa Sequencer binding
# by Aldrin Martoq <amartoq@dcc.uchile.cl>
# version 2008012401 (UTC: 1201153962 secs since the epoch)
#
# This code is in the public domain,
# use it as base for creating your pyalsa
# sequencer application.

import sys
sys.path.insert(0, '../pyalsa')
del sys
from alsamemdebug import debuginit, debug, debugdone
import alsaseq


def dump_portinfo(dict):
    def dl(dict, key):
        if dict.has_key(key):
            return "'" + str(dict[key]) + "'"
        return "N/A"
    def da(dict, key, search):
        tmp = None
        if dict.has_key(key):
            for k in search:
                if k & dict[key]:
                    if tmp == None:
                        tmp = str(search[k])
                    else:
                        tmp += " " + str(search[k])
            if tmp == None:
                tmp = "UNKNOWN(%d)" % (dict[key])
        else:
            tmp = "N/A"
        return tmp

    return "name=%s capability=%s type=%s" % (dl(dict, 'name'), da(dict, 'capability', alsaseq._dportcap), da(dict, 'type', alsaseq._dporttype))

def dump_list(connections, simple=True):
    for clientports in connections:
        clientname, clientid, portlist = clientports
        print "    client: %3d    %s" % (clientid, clientname),
        if not simple:
            clientinfo = sequencer.get_client_info(clientid)
            print "\t[%s]" % clientinfo
        else:
            print
        for port in portlist:
            portname, portid, connections = port
            print "      port: %3d:%-2d +-%s" % (clientid, portid, portname),
            if not simple:
                portinfo = sequencer.get_port_info(portid, clientid)
                print "\t[%s]" % (dump_portinfo(portinfo))
            else:
                print
            readconn, writeconn = connections
            for c,p,i in readconn:
                if not simple:
                    print "        connection   to: %d:%d %s" % (c,p, i)
                else:
                    print "        connection   to: %d:%d" % (c,p)
            for c,p,i in writeconn:
                if not simple:
                    print "        connection   to: %d:%d %s" % (c,p, i)
                else:
                    print "        connection   to: %d:%d" % (c,p)


debuginit()

print "01:Creating Sequencer =============================="
sequencer = alsaseq.Sequencer()
# other examples:
# sequencer = alsaseq.Sequencer("hw", "myfancyapplication", alsaseq.SEQ_OPEN_INPUT, alsaseq.SEQ_BLOCK)
# sequencer = alsaseq.Sequencer(clientname='python-test', streams=alsaseq.SEQ_OPEN_OUTPUT)
print "    sequencer:  %s" % sequencer
print "    name:       %s" % sequencer.name
print "    clientname: %s" % sequencer.clientname
print "    streams:    %d (%s)" % (sequencer.streams, str(sequencer.streams))
print "    mode:       %d (%s)" % (sequencer.mode, str(sequencer.mode))
print "    client_id:  %s" % sequencer.client_id
print

print "02:Changing some parameters ========================"
sequencer.clientname = 'pepito'
sequencer.mode = alsaseq.SEQ_BLOCK
print "    clientname: %s" % sequencer.clientname
print "    mode:       %d (%s)" % (sequencer.mode, str(sequencer.mode))
print

print "03:Creating simple port ============================"
port_id = sequencer.create_simple_port("myport", alsaseq.SEQ_PORT_TYPE_APPLICATION,alsaseq.SEQ_PORT_CAP_WRITE | alsaseq.SEQ_PORT_CAP_SUBS_WRITE)
print "    port_id:    %s" % port_id
print

print "04:Getting port info ==============================="
port_info = sequencer.get_port_info(port_id)
print "      -->       %s" % dump_portinfo(port_info)
print "      -->       %s" % port_info
print

print "05:Retrieving clients and connections (as list) ===="
connections = sequencer.connection_list()
print "  %s" % (connections)
print

print "06:Retrieving clients and connections (detailed) ==="
connections = sequencer.connection_list()
dump_list(connections, False)
print

print "07:Connecting 'arbitrary' ports... ================="
source = (alsaseq.SEQ_CLIENT_SYSTEM, alsaseq.SEQ_PORT_SYSTEM_ANNOUNCE)
dest = (sequencer.client_id, port_id)
print "%s ---> %s" % (str(source), str(dest))
sequencer.connect_ports(source, dest)
print

print "08:Retrieving clients and connections (simple) ====="
connections = sequencer.connection_list()
dump_list(connections)
print

print "09:Disconnecting previous 'arbitrary' port ========="
print "%s -X-> %s" % (str(source), str(dest))
sequencer.disconnect_ports(source, dest)
print

print "10:Retrieving clients and connections (simple) ====="
connections = sequencer.connection_list()
dump_list(connections)
print

print "11:Listing known streams constants ================="
print "%s" % alsaseq._dstreams.values()
print

print "12:Listing known mode constants ===================="
print "%s" % alsaseq._dmode.values()
print

print "13:Listing known queue constants ==================="
print "%s" % alsaseq._dqueue.values()
print

print "14:Listing known client type constants ============="
print "%s" % alsaseq._dclienttype.values()
print

print "15:Listing known port caps constants ==============="
print "%s" % alsaseq._dportcap.values()
print

print "16:Listing known port types constants =============="
print "%s" % alsaseq._dporttype.values()
print

print "17:Listing known event type constants =============="
print "%s" % alsaseq._deventtype.values()
print

print "18:Listing known event timestamp constants ========="
print "%s" % alsaseq._deventtimestamp.values()
print

print "19:Listing known event timemode constants =========="
print "%s" % alsaseq._deventtimemode.values()
print

print "20:Listing known client addresses constants ========"
print "%s" % alsaseq._dclient.values()
print

print "21:Listing known port addresses constants =========="
print "%s" % alsaseq._dport.values()
print


print "98:Removing sequencer =============================="
debug([sequencer])
del sequencer
print

print "99:Listing sequencer (using new one) ==============="
dump_list(alsaseq.Sequencer().connection_list())
print

debugdone()
print "seqtest1.py done."