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examples compiling again

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This commit is contained in:
RSWilli
2025-09-16 22:36:07 +02:00
parent ca3249e47b
commit e1b00764a8
55 changed files with 7642 additions and 1654 deletions
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39
examples/requestpad/main.go
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@@ -1,6 +1,7 @@
package main
import (
"context"
"errors"
"fmt"
"os"
@@ -10,7 +11,7 @@ import (
)
type workflow struct {
*gst.Pipeline
gst.Pipeline
}
func (w *workflow) newSrc() {
@@ -27,26 +28,26 @@ func (w *workflow) newSrc() {
src.Link(caps)
// Get a sink pad on compositor
mixer := w.ByName("mixer")
mixer := w.GetByName("mixer")
pad := mixer.GetRequestPad("sink_%u")
pad.SetObjectProperty("xpos", 640)
pad.SetObjectProperty("ypos", 0)
caps.StaticPad("src").Link(pad)
caps.GetStaticPad("src").Link(pad)
caps.SyncStateWithParent()
src.SyncStateWithParent()
}
func (w *workflow) delSrc() {
mixer := w.ByName("mixer")
mixer := w.GetByName("mixer")
src := w.ByName("src2")
src := w.GetByName("src2")
caps := w.ByName("caps2")
caps := w.GetByName("caps2")
pad := mixer.StaticPad("sink_1")
pad := mixer.GetStaticPad("sink_1")
if pad == nil {
fmt.Printf("pad is null\n")
return
@@ -60,7 +61,7 @@ func (w *workflow) delSrc() {
mixer.ReleaseRequestPad(pad)
}
func createPipeline() (*gst.Pipeline, error) {
func createPipeline() (gst.Pipeline, error) {
gst.Init()
ret, err := gst.ParseLaunch("videotestsrc ! video/x-raw , capsfilter caps=width=640,height=360 name=caps1 ! compositor name=mixer ! autovideosink")
@@ -70,7 +71,7 @@ func createPipeline() (*gst.Pipeline, error) {
var w workflow
w.Pipeline = ret.(*gst.Pipeline)
w.Pipeline = ret.(gst.Pipeline)
go func() {
time.Sleep(time.Second)
@@ -83,12 +84,12 @@ func createPipeline() (*gst.Pipeline, error) {
return w.Pipeline, nil
}
func runPipeline(loop *glib.MainLoop, pipeline *gst.Pipeline) error {
func runPipeline(pipeline gst.Pipeline) error {
// Start the pipeline
pipeline.SetState(gst.StatePlaying)
// Add a message watch to the bus to quit on any error
pipeline.Bus().AddWatch(0, func(bus *gst.Bus, msg *gst.Message) bool {
for msg := range pipeline.GetBus().Messages(context.Background()) {
var err error
// If the stream has ended or any element posts an error to the
@@ -99,7 +100,7 @@ func runPipeline(loop *glib.MainLoop, pipeline *gst.Pipeline) error {
case gst.MessageError:
// The parsed error implements the error interface, but also
// contains additional debug information.
gerr, debug := msg.ParseError()
debug, gerr := msg.ParseError()
fmt.Println("go-gst-debug:", debug)
err = gerr
}
@@ -107,24 +108,18 @@ func runPipeline(loop *glib.MainLoop, pipeline *gst.Pipeline) error {
// If either condition triggered an error, log and quit
if err != nil {
fmt.Println("ERROR:", err.Error())
loop.Quit()
return false
return err
}
}
return true
})
// Block on the main loop
return loop.RunError()
panic("unreachable")
}
func main() {
loop := glib.NewMainLoop(glib.MainContextDefault(), false)
pipeline, err := createPipeline()
if err != nil {
os.Exit(2)
}
runPipeline(loop, pipeline)
runPipeline(pipeline)
}