changes from another guy

https://github.com/ahamlinman/rtwatch/commit/eb91a43eeccc5959ea981dbc6eef10978d5179fb

1 files changed, 23 insertions, 1 deletions

diff --git a/gst/gst.go b/gst/gst.go
index f8a5385..7282aab 100644
--- a/gst/gst.go
+++ b/gst/gst.go
@@ -31,9 +31,31 @@ type Pipeline struct {
 var pipeline = &Pipeline{}
 var pipelinesLock sync.Mutex
 
+var pipelineFmtStr = `
+filesrc location="%s"
+! decodebin name=demux
+
+demux.
+! queue
+! videoconvert
+! videoscale
+! video/x-raw,width=800,height=600
+! x264enc bframes=0 speed-preset=veryfast key-int-max=60
+! video/x-h264,stream-format=byte-stream
+! appsink name=video
+
+demux.
+! queue
+! audioconvert
+! audioresample
+! audio/x-raw,rate=48000
+! opusenc bitrate=128000
+! appsink name=audio
+`
+
 // CreatePipeline creates a GStreamer Pipeline
 func CreatePipeline(containerPath string, audioTrack, videoTrack *webrtc.Track) *Pipeline {
-	pipelineStr := fmt.Sprintf("filesrc location=\"%s\" ! decodebin name=demux ! queue ! x264enc bframes=0 speed-preset=veryfast key-int-max=60 ! video/x-h264,stream-format=byte-stream ! appsink name=video demux. ! queue ! audioconvert ! audioresample ! opusenc ! appsink name=audio", containerPath)
+	pipelineStr := fmt.Sprintf(pipelineFmtStr, containerPath)
 
 	pipelineStrUnsafe := C.CString(pipelineStr)
 	defer C.free(unsafe.Pointer(pipelineStrUnsafe))