From 9b12b43b25fd5a476205bc693be0cf836c281bc1 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 21 十一月 2019 13:36:58 +0800
Subject: [PATCH] remove code not used
---
goffmpeg.go | 103 ++++++++++++++++++++++++++++++++++++++++-----------
1 files changed, 80 insertions(+), 23 deletions(-)
diff --git a/goffmpeg.go b/goffmpeg.go
index d7676d2..4353113 100644
--- a/goffmpeg.go
+++ b/goffmpeg.go
@@ -12,15 +12,42 @@
"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
+)
+
var libcffmpeg C.libcffmpeg
// InitFFmpeg init ffmepg
-func InitFFmpeg() error {
- soFile := C.CString("./runtime/libcffmpeg.so")
+func InitFFmpeg(soFileGo string) error {
+ soFile := C.CString(soFileGo)
defer C.free(unsafe.Pointer(soFile))
lib := C.init_libcffmpeg(soFile)
if lib == nil {
- fmt.Println("open libcffmpeg.so error")
+ fmt.Println("open error: ", soFileGo)
return errors.New("init ffmpeg error")
}
libcffmpeg = lib
@@ -39,16 +66,52 @@
ffmpeg C.cffmpeg
}
-// New create handle
-func New() *GoFFMPEG {
+// New 2nd new
+func New(GB, CPU bool) *GoFFMPEG {
+
+ f := C.wrap_fn_create(unsafe.Pointer(libcffmpeg))
+
+ if f == nil {
+ return nil
+ }
+ if GB {
+ C.wrap_fn_run_gb28181(unsafe.Pointer(libcffmpeg), f)
+ }
+ if CPU {
+ C.wrap_fn_use_cpu(unsafe.Pointer(libcffmpeg), f)
+ }
+
return &GoFFMPEG{
- ffmpeg: C.wrap_fn_create(),
+ ffmpeg: f,
+ }
+}
+
+// NewWithLog log
+func NewWithLog(GB, CPU bool, ffmpegLog string) *GoFFMPEG {
+ lf := C.CString(ffmpegLog)
+ defer C.free(unsafe.Pointer(lf))
+
+ f := C.wrap_fn_create2(unsafe.Pointer(libcffmpeg), lf)
+ if f == nil {
+ return nil
+ }
+ if GB {
+ C.wrap_fn_run_gb28181(unsafe.Pointer(libcffmpeg), f)
+ }
+ if CPU {
+ C.wrap_fn_use_cpu(unsafe.Pointer(libcffmpeg), f)
+ }
+
+ return &GoFFMPEG{
+ ffmpeg: f,
}
}
// Free free handle
func (h *GoFFMPEG) Free() {
- C.wrap_fn_destroy(h.ffmpeg)
+ if h.ffmpeg != nil {
+ C.wrap_fn_destroy(unsafe.Pointer(libcffmpeg), h.ffmpeg)
+ }
}
// Run ffmpeg
@@ -56,24 +119,18 @@
in := C.CString(input)
defer C.free(unsafe.Pointer(in))
- C.wrap_fn_run(h.ffmpeg, in)
+ C.wrap_fn_run(unsafe.Pointer(libcffmpeg), h.ffmpeg, in)
}
-// DecodeJPEG decode jpeg file
-func (h *GoFFMPEG) DecodeJPEG(input string) ([]byte, int, int) {
- in := C.CString(input)
- defer C.free(unsafe.Pointer(in))
+// FPS fps
+func (h *GoFFMPEG) FPS() int {
+ return int(C.wrap_fn_fps(unsafe.Pointer(libcffmpeg), h.ffmpeg))
+}
- var width C.int
- var height C.int
- p := C.wrap_fn_decode_jpeg(h.ffmpeg, in, &width, &height)
- defer C.free(p)
-
- if width > 0 && height > 0 {
- data := C.GoBytes(p, width*height*3)
- wid := int(width)
- hei := int(height)
- return data, wid, hei
+// ReleaseC release c memory
+func ReleaseC(p unsafe.Pointer) {
+ if p == nil {
+ return
}
- return nil, 0, 0
+ C.free(unsafe.Pointer(p))
}
--
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