Start adapting new streamforward to Android

pkg/recoder/libav/recoder_factory.go

@@ -0,0 +1,34 @@
+package libav
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/xaionaro-go/streamctl/pkg/recoder"
+	"github.com/xaionaro-go/streamctl/pkg/recoder/libav/saferecoder"
+)
+
+type RecoderFactory struct{}
+
+var _ recoder.Factory = (*RecoderFactory)(nil)
+
+func NewRecoderFactory() *RecoderFactory {
+	return &RecoderFactory{}
+}
+
+func (RecoderFactory) New(ctx context.Context, cfg recoder.Config) (recoder.Recoder, error) {
+	process, err := saferecoder.NewProcess(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("unable to initialize the process: %w", err)
+	}
+
+	recoderInstance, err := process.NewRecoder(cfg)
+	if err != nil {
+		return nil, fmt.Errorf("unable to initialize the recoder: %w", err)
+	}
+
+	return &Recoder{
+		Process: process,
+		Recoder: recoderInstance,
+	}, nil
+}