Added AV example

Author: djthorpe

writer_test.go

@@ -43,3 +43,38 @@ func Test_writer_001(t *testing.T) {
 		return nil, nil
 	})
 }
+
+func Test_writer_002(t *testing.T) {
+	assert := assert.New(t)
+	manager, err := NewManager(OptLog(true, func(v string) {
+		t.Log(strings.TrimSpace(v))
+	}))
+	if !assert.NoError(err) {
+		t.SkipNow()
+	}
+
+	// Write file with both audio and video
+	filename := filepath.Join(t.TempDir(), t.Name()+".mp4")
+	audio, err := manager.AudioParameters("mono", "fltp", 22050)
+	if !assert.NoError(err) {
+		t.SkipNow()
+	}
+	video, err := manager.VideoParameters(1280, 720, "yuv420p")
+	if !assert.NoError(err) {
+		t.SkipNow()
+	}
+
+	writer, err := manager.Create(filename, nil, nil, audio, video)
+	if !assert.NoError(err) {
+		t.SkipNow()
+	}
+	defer writer.Close()
+
+	t.Log(writer, "=>", filename)
+
+	// Perform muxing of packets
+	writer.Mux(context.Background(), func(stream int) (Packet, error) {
+		t.Log("Muxing packet for stream", stream)
+		return nil, nil
+	})
+}