func sample_pinp(vsw *libvsw.Vsw, mainSrc, subSrc int) {
vsw.Cut(mainSrc)
vsw.CutSub(0) // Erase sub screen
// Scale quarter size, No cropping
vsw.PinpGeometry(0, 0, 65536/4, 65536/4, 0, 0, 65536, 65536)
vsw.PinpBorder(0x00ff00ff, 4)
vsw.SetSubMode(libvsw.SUB_MODE_PINP)
rate := 1000
vsw.MixSub(rate, subSrc) // Show sub screen slowly
time.Sleep(time.Duration(rate) * time.Millisecond)
for {
for i := 1; i < 4; i++ {
time.Sleep(time.Duration(rate) * time.Millisecond)
vsw.PinpGeometry(65536/4*i, 0, 65536/4, 65536/4, 0, 0, 65536, 65536)
}
for i := 1; i < 4; i++ {
time.Sleep(time.Duration(rate) * time.Millisecond)
vsw.PinpGeometry(65536/4*3, 65536/4*i, 65536/4, 65536/4, 0, 0, 65536, 65536)
}
for i := 2; i >= 0; i-- {
time.Sleep(time.Duration(rate) * time.Millisecond)
vsw.PinpGeometry(65536/4*i, 65536/4*3, 65536/4, 65536/4, 0, 0, 65536, 65536)
}
for i := 2; i >= 0; i-- {
time.Sleep(time.Duration(rate) * time.Millisecond)
vsw.PinpGeometry(65536/4*0, 65536/4*i, 65536/4, 65536/4, 0, 0, 65536, 65536)
}
}
}
func sample_chromakey(vsw *libvsw.Vsw) {
wait := 8000
vsw.CutSub(0)
vsw.Cut(1)
// You have to insert a writable SD card to LiveWedge.
vsw.UploadFile("greenback.jpg")
vsw.SetChromaKey(libvsw.CHROMA_KEY_GREEN)
vsw.CutSub(4)
time.Sleep(time.Duration(wait) * time.Millisecond)
vsw.CutSub(0)
vsw.UploadFile("blueback.jpg")
vsw.SetChromaKey(libvsw.CHROMA_KEY_BLUE)
vsw.MixSub(2000, 4)
time.Sleep(time.Duration(wait) * time.Millisecond)
vsw.MixSub(2000, 0)
vsw.UploadFile("purpleback.jpg")
vsw.SetChromaKey(libvsw.CHROMA_KEY_PURPLE)
vsw.CutSub(4)
time.Sleep(time.Duration(wait) * time.Millisecond)
vsw.CutSub(0)
vsw.UploadFile("redback.jpg")
vsw.SetChromaKey(libvsw.CHROMA_KEY_RED)
vsw.MixSub(2000, 4)
time.Sleep(time.Duration(wait) * time.Millisecond)
vsw.MixSub(2000, 0)
}