package goffmpeg

/*
#include <stdlib.h>
*/
import "C"
import (
	"unsafe"
)

// RecorderFunc C function pointer GO
type RecorderFunc func(*string, *int)

// DecoderFunc C func pointer go
type DecoderFunc func(*[]byte, *int, *int)

var (
	funcRecorder RecorderFunc
	funcDecoder  DecoderFunc
)

//export cb_rec_proxy
func cb_rec_proxy(path *C.char, index C.int) {
	if funcRecorder != nil {
		p := C.GoString(path)
		i := int(index)
		funcRecorder(&p, &i)
	}
}

//export cb_dec_proxy
func cb_dec_proxy(data *C.uchar, w, h C.int) {
	if funcDecoder != nil {
		d := C.GoBytes(unsafe.Pointer(data), w*h*3)
		C.free(unsafe.Pointer(data))
		wid := int(w)
		hei := int(h)
		funcDecoder(&d, &wid, &hei)
	}
}