renamed rhrdlibrary to rhlibrary

2 files changed, 185 insertions, 0 deletions

diff --git a/src/rhlibrary/main.go b/src/rhlibrary/main.go
new file mode 100644
index 0000000..85e5b8a
--- /dev/null
+++ b/src/rhlibrary/main.go
@@ -0,0 +1,112 @@
+//
+//  rhlibrary
+//
+//  The Radio Helsinki Rivendell Library
+//
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of rhlibrary.
+//
+//  rhlibrary is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  rhlibrary is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with rhlibrary. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"code.helsinki.at/rhrd-go/rddb"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/signal"
+	"sync"
+)
+
+var (
+	rhl  = log.New(os.Stderr, "[rhlibrary]\t", log.LstdFlags)
+	rhdl = log.New(ioutil.Discard, "[rhlibrary-dbg]\t", log.LstdFlags)
+)
+
+func init() {
+	//	if _, exists := os.LookupEnv("RHRDLIBRARY_DEBUG"); exists {
+	rhdl.SetOutput(os.Stderr)
+	//	}
+}
+
+type envStringValue string
+
+func newEnvStringValue(key, dflt string) *envStringValue {
+	if envval, exists := os.LookupEnv(key); exists {
+		return (*envStringValue)(&envval)
+	} else {
+		return (*envStringValue)(&dflt)
+	}
+}
+
+func (s *envStringValue) Set(val string) error {
+	*s = envStringValue(val)
+	return nil
+}
+
+func (s *envStringValue) Get() interface{} { return string(*s) }
+
+func (s *envStringValue) String() string { return fmt.Sprintf("%s", *s) }
+
+func main() {
+	rdconf := newEnvStringValue("RHRDLIBRARY_RD_CONF", "/etc/rd.conf")
+	flag.Var(rdconf, "rdconf", "path to the Rivendell config file (environment: RHRDLIBRARY_RD_CONF)")
+	help := flag.Bool("help", false, "show usage")
+
+	flag.Parse()
+	if *help {
+		flag.Usage()
+		return
+	}
+
+	db, err := rddb.NewDB(rdconf.Get().(string))
+	if err != nil {
+		rhl.Println("Error initializing Rivdenll DB:", err)
+		return
+	}
+	defer db.Cleanup()
+
+	player, _ := NewPlayer("/home/equinox/helsinki/rivenhell/contrib/rhlibrary/snd")
+
+	var wg sync.WaitGroup
+
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		player.Play(1, 1)
+	}()
+
+	alldone := make(chan bool)
+	go func() {
+		defer func() { alldone <- true }()
+		wg.Wait()
+	}()
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+
+	select {
+	case <-c:
+		rhl.Println("received interrupt, shutdown")
+		return
+	case <-alldone:
+		return
+	}
+}
diff --git a/src/rhlibrary/player.go b/src/rhlibrary/player.go
new file mode 100644
index 0000000..3e4211c
--- /dev/null
+++ b/src/rhlibrary/player.go
@@ -0,0 +1,73 @@
+//
+//  rhlibrary
+//
+//  The Radio Helsinki Rivendell Library
+//
+//
+//  Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
+//
+//  This file is part of rhlibrary.
+//
+//  rhlibrary is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  any later version.
+//
+//  rhlibrary is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with rhlibrary. If not, see <http://www.gnu.org/licenses/>.
+//
+
+package main
+
+import (
+	"fmt"
+	"github.com/revmischa/gst"
+	"github.com/ziutek/glib"
+	"path"
+)
+
+type Player struct {
+	pipe     *gst.Element
+	bus      *gst.Bus
+	basepath string
+}
+
+func (p *Player) onMessage(bus *gst.Bus, msg *gst.Message) {
+	switch msg.GetType() {
+	case gst.MESSAGE_EOS:
+		rhdl.Printf("EOS reached!")
+		p.pipe.SetState(gst.STATE_NULL)
+	case gst.MESSAGE_ERROR:
+		p.pipe.SetState(gst.STATE_NULL)
+		_, errstr := msg.ParseError()
+		rhdl.Printf("Error: %s\n", errstr)
+	}
+}
+
+func (p *Player) Play(cart, cut uint) (err error) {
+	filename := path.Join(p.basepath, fmt.Sprintf("%06d_%03d.wav", cart, cut))
+	rhdl.Printf("trying to play file: %s", filename)
+
+	p.pipe.SetProperty("uri", "file://"+filename)
+	p.pipe.SetState(gst.STATE_PLAYING)
+	glib.NewMainLoop(nil).Run()
+	return
+}
+
+func NewPlayer(basepath string) (p *Player, err error) {
+	p = &Player{}
+	p.basepath = path.Clean(basepath)
+
+	p.pipe = gst.ElementFactoryMake("playbin", "autoplay")
+	p.bus = p.pipe.GetBus()
+
+	p.bus.AddSignalWatch()
+	p.bus.Connect("message", (*Player).onMessage, p)
+
+	return
+}