package/go-gst
1
0
Fork 0
mirror of https://github.com/go-gst/go-gst.git synced 2025-10-05 16:06:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

port more examples over to new generated bindings

Browse Source 
plugins not yet working, examples mostly untested
This commit is contained in:
RSWilli
2025-09-16 22:36:07 +02:00
parent 9fb9393213
commit 846581a077
37 changed files with 364 additions and 3196 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
examples/queries/main.go
View File

@@ -20,29 +20,32 @@ import (
"strings"
"time"
"github.com/go-gst/go-glib/glib"
"github.com/go-gst/go-gst/examples"
"github.com/go-gst/go-gst/gst"
"github.com/diamondburned/gotk4/pkg/glib/v2"
"github.com/go-gst/go-gst/pkg/gst"
)
func queries(mainLoop *glib.MainLoop) error {
func queries() error {
if len(os.Args) < 2 {
fmt.Println("USAGE: queries <pipeline>")
os.Exit(1)
}
gst.Init(nil)
gst.Init()
mainLoop := glib.NewMainLoop(glib.MainContextDefault(), false)
// Let GStreamer create a pipeline from the parsed launch syntax on the cli.
pipelineStr := strings.Join(os.Args[1:], " ")
pipeline, err := gst.NewPipelineFromString(pipelineStr)
ret, err := gst.ParseLaunch(pipelineStr)
if err != nil {
return err
}
pipeline := ret.(gst.Binner)
// Get a reference to the pipeline bus
bus := pipeline.GetPipelineBus()
bus := pipeline.Bus()
// Start the pipeline
pipeline.SetState(gst.StatePlaying)
@@ -54,14 +57,14 @@ func queries(mainLoop *glib.MainLoop) error {
// Create a new position query and send it to the pipeline.
// This will traverse all elements in the pipeline, until one feels
// capable of answering the query.
pos := gst.NewPositionQuery(gst.FormatTime)
pos := gst.NewQueryPosition(gst.FormatTime)
if ok := pipeline.Query(pos); !ok {
fmt.Println("Failed to query position from pipeline")
}
// Create a new duration query and send it to the pipeline.
// This will traverse all elements in the pipeline, until one feels
// capable of answering the query.
dur := gst.NewDurationQuery(gst.FormatTime)
dur := gst.NewQueryDuration(gst.FormatTime)
if ok := pipeline.Query(dur); !ok {
fmt.Println("Failed to query duration from pipeline")
}
@@ -77,14 +80,14 @@ func queries(mainLoop *glib.MainLoop) error {
}
}()
bus.AddWatch(func(msg *gst.Message) bool {
bus.AddWatch(0, func(bus *gst.Bus, msg *gst.Message) bool {
switch msg.Type() {
case gst.MessageEOS:
case gst.MessageEos:
mainLoop.Quit()
case gst.MessageError:
gstErr := msg.ParseError()
fmt.Printf("Error from %s: %s\n", msg.Source(), gstErr.Error())
if debug := gstErr.DebugString(); debug != "" {
gstErr, debug := msg.ParseError()
fmt.Printf("Error from %s: %s\n", msg.Src(), gstErr.Error())
if debug != "" {
fmt.Println("go-gst-debug:", debug)
}
mainLoop.Quit()
@@ -100,5 +103,7 @@ func queries(mainLoop *glib.MainLoop) error {
}
func main() {
examples.RunLoop(queries)
if err := queries(); err != nil {
fmt.Println(err)
}
}