Merge branch 'master' of ssh://192.168.5.5:29418/valib/goffmpeg

chenshijun

2019-12-03 f29f269d999fc4bb8a9bfa85629f08b89971a2ef

 goffmpeg.go

@@ -12,6 +12,39 @@
   "unsafe"
)

const (
   // ScaleNone self add no scale raw frame data
   ScaleNone = 0
   // ScaleFastBilinear SWS_FAST_BILINEAR
   ScaleFastBilinear = 1
   // ScaleBilinear SWS_BILINEAR
   ScaleBilinear = 2
   // ScaleBicubic SWS_BICUBIC
   ScaleBicubic = 4
   // ScaleX SWS_X
   ScaleX = 8
   // ScalePoint SWS_POINT
   ScalePoint = 0x10
   // ScaleArea SWS_AREA
   ScaleArea = 0x20
   // ScaleBicublin SWS_BICUBLIN
   ScaleBicublin = 0x40
   // ScaleGauss SWS_GAUSS
   ScaleGauss = 0x80
   // ScaleSinc SWS_SINC
   ScaleSinc = 0x100
   // ScaleLancZos SWS_LANCZOS
   ScaleLancZos = 0x200
   // ScaleSpline SWS_SPLINE
   ScaleSpline = 0x400
)

// SrcFormat format NV
const SrcFormat = 23

// DstFormat format
const DstFormat = 3

var libcffmpeg C.libcffmpeg

// InitFFmpeg init ffmepg
@@ -100,6 +133,14 @@
   return int(C.wrap_fn_fps(unsafe.Pointer(libcffmpeg), h.ffmpeg))
}

// ReleaseC release c memory
func ReleaseC(p unsafe.Pointer) {
   if p == nil {
      return
   }
   C.free(unsafe.Pointer(p))
}

// GetGBJpg Get GB28181 Jpg
func GetGBJpg(rtspUrl string) []byte {
    rtsp := C.CString(rtspUrl)