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halfway done with GstPad impl

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tinyzimmer
2020-10-03 09:44:47 +03:00
parent 79854aeba2
commit 02fa43822c
5 changed files with 378 additions and 57 deletions
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48
gst/cgo_exports.go
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@@ -14,51 +14,19 @@ import (
)
//export goPadProbeFunc
func goPadProbeFunc(gstPad *C.GstPad, gstProbeInfo *C.GstPadProbeInfo, userData C.gpointer) C.GstPadProbeReturn {
func goPadProbeFunc(gstPad *C.GstPad, info *C.GstPadProbeInfo, userData C.gpointer) C.GstPadProbeReturn {
cbIface := gopointer.Restore(unsafe.Pointer(userData))
cbFunc := cbIface.(PadProbeCallback)
pad := wrapPad(&glib.Object{GObject: glib.ToGObject(unsafe.Pointer(gstPad))})
probeInfo := &PadProbeInfo{
ID: uint32(gstProbeInfo.id),
Type: PadProbeType(gstProbeInfo._type),
Offset: uint64(gstProbeInfo.offset),
Size: uint64(gstProbeInfo.size),
}
populateProbeInfoData(probeInfo, gstProbeInfo.data)
return C.GstPadProbeReturn(cbFunc(pad, probeInfo))
return C.GstPadProbeReturn(cbFunc(pad, &PadProbeInfo{info}))
}
// Figures out what to populate the probe info data with based on the type.
func populateProbeInfoData(probeInfo *PadProbeInfo, data C.gpointer) {
switch probeInfo.Type {
// Buffer
case PadProbeTypeBuffer:
probeInfo.Data = wrapBuffer((*C.GstBuffer)(unsafe.Pointer(data)))
// BufferList
case PadProbeTypeBufferList:
probeInfo.Data = wrapBufferList((*C.GstBufferList)(unsafe.Pointer(data)))
// Events
case PadProbeTypeEventDownstream:
probeInfo.Data = wrapEvent((*C.GstEvent)(unsafe.Pointer(data)))
case PadProbeTypeEventUpstream:
probeInfo.Data = wrapEvent((*C.GstEvent)(unsafe.Pointer(data)))
case PadProbeTypeEventFlush:
probeInfo.Data = wrapEvent((*C.GstEvent)(unsafe.Pointer(data)))
case PadProbeTypeEventBoth:
probeInfo.Data = wrapEvent((*C.GstEvent)(unsafe.Pointer(data)))
// Queries
case PadProbeTypeQueryDownstream:
probeInfo.Data = wrapQuery((*C.GstQuery)(unsafe.Pointer(data)))
case PadProbeTypeQueryUpstream:
probeInfo.Data = wrapQuery((*C.GstQuery)(unsafe.Pointer(data)))
case PadProbeTypeQueryBoth:
probeInfo.Data = wrapQuery((*C.GstQuery)(unsafe.Pointer(data)))
}
//export goPadForwardFunc
func goPadForwardFunc(gpad *C.GstPad, userData C.gpointer) C.gboolean {
cbIface := gopointer.Restore(unsafe.Pointer(userData))
cbFunc := cbIface.(PadForwardFunc)
pad := wrapPad(&glib.Object{GObject: glib.ToGObject(unsafe.Pointer(gpad))})
return gboolean(cbFunc(pad))
}
//export goTagForEachFunc