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)
}
func sample_trans(vsw *libvsw.Vsw, src1, src2 int) {
log.Printf("sample_trans: Cut to input %d.\n", src1)
vsw.Cut(src1)
time.Sleep(3 * time.Second)
rate := 1000
log.Printf("sample_trans: Mix to input %d at rate %d msec.\n", src2, rate)
vsw.Mix(rate, src2)
time.Sleep(3 * time.Second)
}
func sample_wipe(vsw *libvsw.Vsw, src1, src2 int) {
log.Printf("wipeTest src1=%d src2=%d\n", src1, src2)
vsw.Cut(src1)
for wipe_type := 0; wipe_type < libvsw.WIPE_TYPE_NUM; wipe_type++ {
log.Printf("wipe_type=%d\n", wipe_type)
vsw.Wipe(rate, src2, wipe_type)
time.Sleep((rate + wait) * time.Millisecond)
vsw.Wipe(rate, src1, wipe_type)
time.Sleep((rate + wait) * time.Millisecond)
}
}
func loop(vsw *libvsw.Vsw, pa Params, notify chan Params) {
index := 0
for {
select {
case pa = <-notify:
log.Printf("got from chan\n")
saveParams(pa)
if pa.StartLiveBroadcast {
vsw.ChangeLiveBroadcastState(1)
} else {
vsw.ChangeLiveBroadcastState(0)
}
if pa.UploadStillPicture {
vsw.UploadFile(pa.Picture)
}
case <-time.After(time.Second * time.Duration(pa.Interval)):
log.Printf("periodic timer\n")
}
index = (index + 1) % 4
i := 0
for ; i < 4; i++ {
if pa.Input[i] == true {
break
}
}
if i == 4 {
// no input checked
pa.Interval = 1000000
continue
}
for pa.Input[index] == false {
index = (index + 1) % 4
}
switch pa.Trans & 0xff {
case 0:
vsw.Cut(index + 1)
case 1:
vsw.Mix(pa.Rate, index+1)
case 2:
vsw.Dip(pa.Rate, index+1, ((pa.Trans>>8)&3)+1)
case 255:
vsw.Wipe(pa.Rate, index+1, random(0, libvsw.WIPE_TYPE_NUM-1))
default:
vsw.Wipe(pa.Rate, index+1, pa.Trans-libvsw.TRANSITION_TYPE_WIPE)
}
}
}