mirror of
https://github.com/zergon321/reisen.git
synced 2025-09-26 20:01:14 +08:00
b1ffeb627a
This fixes build on the recent Mac OS installations where HomeBrew doesn't have libav anymore.
62 lines
1.9 KiB
Go
62 lines
1.9 KiB
Go
package reisen
|
|
|
|
// #cgo pkg-config: libswscale
|
|
// #include <libswscale/swscale.h>
|
|
import "C"
|
|
|
|
// InterpolationAlgorithm is used when
|
|
// we scale a video frame in a different resolution.
|
|
type InterpolationAlgorithm int
|
|
|
|
const (
|
|
InterpolationFastBilinear InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_FAST_BILINEAR)
|
|
InterpolationBilinear InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_BILINEAR)
|
|
InterpolationBicubic InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_BICUBIC)
|
|
InterpolationX InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_X)
|
|
InterpolationPoint InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_POINT)
|
|
InterpolationArea InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_AREA)
|
|
InterpolationBicubicBilinear InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_BICUBLIN)
|
|
InterpolationGauss InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_GAUSS)
|
|
InterpolationSinc InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_SINC)
|
|
InterpolationLanczos InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_LANCZOS)
|
|
InterpolationSpline InterpolationAlgorithm = InterpolationAlgorithm(C.SWS_SPLINE)
|
|
)
|
|
|
|
// String returns the name of the interpolation algorithm.
|
|
func (interpolationAlg InterpolationAlgorithm) String() string {
|
|
switch interpolationAlg {
|
|
case InterpolationFastBilinear:
|
|
return "fast bilinear"
|
|
|
|
case InterpolationBilinear:
|
|
return "bilinear"
|
|
|
|
case InterpolationBicubic:
|
|
return "bicubic"
|
|
|
|
case InterpolationX:
|
|
return "x"
|
|
|
|
case InterpolationPoint:
|
|
return "point"
|
|
|
|
case InterpolationArea:
|
|
return "area"
|
|
|
|
case InterpolationBicubicBilinear:
|
|
return "bicubic bilinear"
|
|
|
|
case InterpolationSinc:
|
|
return "sinc"
|
|
|
|
case InterpolationLanczos:
|
|
return "lanczos"
|
|
|
|
case InterpolationSpline:
|
|
return "spline"
|
|
|
|
default:
|
|
return ""
|
|
}
|
|
}
|