dynamically linke pipeline works now

1 files changed, 49 insertions, 34 deletions

diff --git a/player/player.go b/player/player.go
index 13b1304..facf291 100644
--- a/player/player.go
+++ b/player/player.go
@@ -26,6 +26,7 @@ package player
 
 import (
 	"fmt"
+	"github.com/gotk3/gotk3/glib"
 	"github.com/spreadspace/go-gstreamer"
 	"io/ioutil"
 	"log"
@@ -203,6 +204,54 @@ func (p *Player) dispatchRequests() {
 	}
 }
 
+func (p *Player) createPipeline() (err error) {
+	if p.pipe, err = gst.PipelineNew("rhlibrary"); err != nil {
+		return
+	}
+
+	var conv1, conv2, sink *gst.Element
+	if p.src, err = gst.ElementFactoryMake("uridecodebin", "source"); err != nil {
+		return
+	}
+	if conv1, err = gst.ElementFactoryMake("audioconvert", "conv1"); err != nil {
+		return
+	}
+	if p.volume, err = gst.ElementFactoryMake("volume", "meter"); err != nil {
+		return
+	}
+	if conv2, err = gst.ElementFactoryMake("audioconvert", "conv2"); err != nil {
+		return
+	}
+	if sink, err = gst.ElementFactoryMake("autoaudiosink", "sink"); err != nil {
+		return
+	}
+
+	p.pipe.Add(p.src)
+	p.pipe.Add(conv1)
+	p.pipe.Add(p.volume)
+	p.pipe.Add(conv2)
+	p.pipe.Add(sink)
+
+	sinkpad, err := conv1.GetStaticPad("sink")
+	if err != nil {
+		return fmt.Errorf("player error getting sink pad from conv1: %s", err)
+	}
+	p.src.Connect("pad-added", func(_ *glib.Object, srcpad *gst.Pad) {
+		if ret := srcpad.Link(sinkpad); ret != gst.PAD_LINK_OK {
+			p.stdlog.Println("player error linking src with conv1 (code: %v)", ret)
+		}
+		p.dbglog.Println("player succesfully linked src with conv1")
+	})
+	conv1.Link(p.volume)
+	p.volume.Link(conv2)
+	conv2.Link(sink)
+
+	if p.bus, err = p.pipe.GetBus(); err != nil {
+		return
+	}
+	return
+}
+
 // *********************************************************
 // Public Interface
 
@@ -276,40 +325,6 @@ func (p *Player) GetInterface() *PlayerChan {
 	return ch
 }
 
-func (p *Player) createPipeline() (err error) {
-	if p.pipe, err = gst.PipelineNew("rhlibrary"); err != nil {
-		return
-	}
-
-	//	var conv1, conv2, sink *gst.Element
-	if p.src, err = gst.ElementFactoryMake("playbin", "source"); err != nil {
-		return
-	}
-	// if conv1, err = gst.ElementFactoryMake("audioconvert", "conv1"); err != nil {
-	// 	return
-	// }
-	// if p.volume, err = gst.ElementFactoryMake("volume", "meter"); err != nil {
-	// 	return
-	// }
-	// if conv2, err = gst.ElementFactoryMake("audioconvert", "conv2"); err != nil {
-	// 	return
-	// }
-	// if sink, err = gst.ElementFactoryMake("autoaudiosink", "sink"); err != nil {
-	// 	return
-	// }
-
-	p.pipe.Add(p.src)
-	// p.pipe.Add(conv1)
-	// p.pipe.Add(p.volume)
-	// p.pipe.Add(conv2)
-	// p.pipe.Add(sink)
-
-	if p.bus, err = p.pipe.GetBus(); err != nil {
-		return
-	}
-	return
-}
-
 func NewPlayer(basepath string, stdlog *log.Logger, dbglog *log.Logger) (p *Player, err error) {
 	p = &Player{}
 	p.basepath = path.Clean(basepath)