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//
// rhrdlibrary
//
// The Radio Helsinki Rivendell Library
//
//
// Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of rhrdlibrary.
//
// rhrdlibrary 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.
//
// rhrdlibrary 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 rhrdlibrary. 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
}
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