From 18a05d269516a5e33d8460291c2f93e73d95adce Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期二, 26 十二月 2023 10:45:31 +0800
Subject: [PATCH] GetYUV format is NV12
---
goffmpeg.go | 157 ++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 132 insertions(+), 25 deletions(-)
diff --git a/goffmpeg.go b/goffmpeg.go
index 0a2e4ee..485e568 100644
--- a/goffmpeg.go
+++ b/goffmpeg.go
@@ -13,6 +13,8 @@
)
const (
+ // ScaleNone self add no scale raw frame data
+ ScaleNone = 0
// ScaleFastBilinear SWS_FAST_BILINEAR
ScaleFastBilinear = 1
// ScaleBilinear SWS_BILINEAR
@@ -37,15 +39,21 @@
ScaleSpline = 0x400
)
+// SrcFormat format NV
+const SrcFormat = 23
+
+// DstFormat format
+const DstFormat = 3
+
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
@@ -64,19 +72,101 @@
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,
}
}
-// NewWithScale scale out pic
-func NewWithScale(w, h int, flag int) *GoFFMPEG {
- f := C.wrap_fn_create()
- if f != nil {
- C.wrap_fn_scale(f, C.int(w), C.int(h), C.int(flag))
+// NewWithDevID 2nd new
+func NewWithDevID(GB, CPU bool, devID int) *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)
+ } else if devID > -1 {
+ r := C.wrap_fn_set_devid(unsafe.Pointer(libcffmpeg), f, C.int(devID))
+ if r != 0 {
+ if f != nil {
+ C.wrap_fn_destroy(unsafe.Pointer(libcffmpeg), f)
+ }
+ FreeFFmpeg()
+ return nil
+ }
+ }
+
+ return &GoFFMPEG{
+ ffmpeg: f,
+ }
+}
+
+// NewWithLogAndDevID log
+func NewWithLogAndDevID(GB, CPU bool, devID int, 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)
+ } else if devID > -1 {
+ r := C.wrap_fn_set_devid(unsafe.Pointer(libcffmpeg), f, C.int(devID))
+ if r != 0 {
+ if f != nil {
+ C.wrap_fn_destroy(unsafe.Pointer(libcffmpeg), f)
+ }
+ FreeFFmpeg()
+ return nil
+ }
+ }
+
+ return &GoFFMPEG{
+ 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,
}
@@ -84,7 +174,9 @@
// 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
@@ -92,24 +184,39 @@
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) {
+// Run2 ffmpeg
+func (h *GoFFMPEG) Run2(input string, minDuration 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)
+ C.wrap_fn_run(unsafe.Pointer(libcffmpeg), h.ffmpeg, in)
+}
- if width > 0 && height > 0 {
- data := C.GoBytes(p, width*height*3)
- wid := int(width)
- hei := int(height)
- return data, wid, hei
+// FPS fps
+func (h *GoFFMPEG) FPS() int {
+ return int(C.wrap_fn_fps(unsafe.Pointer(libcffmpeg), h.ffmpeg))
+}
+
+// ReleaseC release c memory
+func ReleaseC(p unsafe.Pointer) {
+ if p == nil {
+ return
}
- return nil, 0, 0
+ C.free(unsafe.Pointer(p))
+}
+
+// GetGBJpg Get GB28181 Jpg
+func GetGBJpg(rtspURL string, maxTry int) []byte {
+ rtsp := C.CString(rtspURL)
+ defer C.free(unsafe.Pointer(rtsp))
+ var jpgLen C.int
+
+ pic := C.wrap_fn_get_gb28181_pic(unsafe.Pointer(libcffmpeg), rtsp, &jpgLen, C.int(maxTry))
+ defer C.free(unsafe.Pointer(pic))
+
+ retJpg := C.GoBytes(unsafe.Pointer(pic), jpgLen)
+ return retJpg
}
--
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