From cd3fe8cc1ae9028acb4f630ed16c12f4fb327f3c Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期四, 10 十月 2019 17:35:12 +0800
Subject: [PATCH] add interface out
---
goffmpeg.go | 94 +++++++++++++++++++++++++++++++----------------
1 files changed, 62 insertions(+), 32 deletions(-)
diff --git a/goffmpeg.go b/goffmpeg.go
index b497fac..dedb2bf 100644
--- a/goffmpeg.go
+++ b/goffmpeg.go
@@ -7,35 +7,84 @@
*/
import "C"
import (
+ "errors"
"fmt"
"unsafe"
)
-// GoFFMPEG handle for c
-type GoFFMPEG struct {
- lib C.libcffmpeg
- ffmpeg C.cffmpeg
-}
+var libcffmpeg C.libcffmpeg
-// New create handle
-func New() *GoFFMPEG {
- soFile := C.CString("./runtime/libcffmpeg.so")
+// InitFFmpeg init ffmepg
+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
+ return nil
+}
+
+// FreeFFmpeg free ffmpeg
+func FreeFFmpeg() {
+ if libcffmpeg != nil {
+ C.release_libcffmpeg(libcffmpeg)
+ }
+}
+
+// GoFFMPEG handle for c
+type GoFFMPEG struct {
+ ffmpeg C.cffmpeg
+}
+
+// New 2nd new
+func New(GB, CPU bool) *GoFFMPEG {
+
+ f := C.wrap_fn_create()
+
+ if f == nil {
return nil
}
+ if GB {
+ C.wrap_fn_run_gb28181(f)
+ }
+ if CPU {
+ C.wrap_fn_use_cpu(f)
+ }
+
return &GoFFMPEG{
- lib: lib,
- 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(lf)
+ if f == nil {
+ return nil
+ }
+ if GB {
+ C.wrap_fn_run_gb28181(f)
+ }
+ if CPU {
+ C.wrap_fn_use_cpu(f)
+ }
+
+ return &GoFFMPEG{
+ ffmpeg: f,
}
}
// Free free handle
func (h *GoFFMPEG) Free() {
- C.wrap_fn_destroy(h.ffmpeg)
- C.release_libcffmpeg(h.lib)
+ if h.ffmpeg != nil {
+ C.wrap_fn_destroy(h.ffmpeg)
+ }
}
// Run ffmpeg
@@ -44,23 +93,4 @@
defer C.free(unsafe.Pointer(in))
C.wrap_fn_run(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))
-
- 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
- }
- return nil, 0, 0
}
--
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