From 4eab3ca9bf020df2bb53fa2a36aa4f57d684225c Mon Sep 17 00:00:00 2001 From: zhangmeng <775834166@qq.com> Date: 星期三, 07 八月 2019 17:25:03 +0800 Subject: [PATCH] add rec notify, try catch --- goffmpeg.go | 218 +++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 206 insertions(+), 12 deletions(-) diff --git a/goffmpeg.go b/goffmpeg.go index 3b4bfa9..d79d0ba 100644 --- a/goffmpeg.go +++ b/goffmpeg.go @@ -7,35 +7,96 @@ */ import "C" import ( + "errors" "fmt" "unsafe" ) -// GoFFMPEG handle for c -type GoFFMPEG struct { - lib C.libcffmpeg - ffmpeg C.cffmpeg -} +const ( + // 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 +) -// New create handle -func New() *GoFFMPEG { - soFile := C.CString("./lib/libcffmpeg.so") +var libcffmpeg C.libcffmpeg + +// 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) + } +} + +// Config config +type Config struct { + Scale int + Width int + Height int + GB bool + CPU bool +} + +// GoFFMPEG handle for c +type GoFFMPEG struct { + ffmpeg C.cffmpeg +} + +// New 2nd new +func New(conf Config) *GoFFMPEG { + f := C.wrap_fn_create() + if f == nil { return nil } + if conf.Scale != 0 && conf.Width != 0 && conf.Height != 0 { + C.wrap_fn_scale(f, C.int(conf.Width), C.int(conf.Height), C.int(conf.Scale)) + } + if conf.GB { + C.wrap_fn_run_gb28181(f) + } + if conf.CPU { + C.wrap_fn_use_cpu(f) + } + return &GoFFMPEG{ - lib: lib, - ffmpeg: C.wrap_fn_create(), + ffmpeg: f, } } // Free free handle func (h *GoFFMPEG) Free() { C.wrap_fn_destroy(h.ffmpeg) - C.release_libcffmpeg(h.lib) } // Run ffmpeg @@ -64,3 +125,136 @@ } return nil, 0, 0 } + +// FireRecorder fire recorder +func (h *GoFFMPEG) FireRecorder(sid string, id int64) { + csid := C.CString(sid) + defer C.free(unsafe.Pointer(csid)) + C.wrap_fn_fire_recorder(h.ffmpeg, csid, C.long(id)) +} + +// BuildRecorder build recorder +func (h *GoFFMPEG) BuildRecorder(sid, output string, mind, maxd int) { + out := C.CString(output) + defer C.free(unsafe.Pointer(out)) + csid := C.CString(sid) + defer C.free(unsafe.Pointer(csid)) + + C.wrap_fn_recorder(h.ffmpeg, csid, out, C.int(mind), C.int(maxd)) +} + +// GetInfoRecorder info +func (h *GoFFMPEG) GetInfoRecorder() (int, string) { + var i C.int = -1 + var l C.int + + p := C.wrap_fn_info_recorder(h.ffmpeg, &i, &l) + // if p == nil { + // return -1, "" + // } + path := C.GoString(p) + C.free(unsafe.Pointer(p)) + + // fmt.Println("Go get info : ", path, " len: ", l) + + return int(i), path +} + +// GetRecID get rec id +func (h *GoFFMPEG) GetRecID(p string) string { + pt := C.CString(p) + defer C.free(unsafe.Pointer(pt)) + var i C.int + + cid := C.wrap_fn_rec_id(h.ffmpeg, pt, &i) + + id := C.GoString(cid) + C.free(unsafe.Pointer(cid)) + + return id +} + +// BuildDecoder build decoder +func (h *GoFFMPEG) BuildDecoder() { + C.wrap_fn_decoder(h.ffmpeg) +} + +// GetPicDecoder get pic from decoder +func (h *GoFFMPEG) GetPicDecoder() ([]byte, int, int, int64) { + var width C.int + var height C.int + var fid C.long + + p := C.wrap_fn_decoder_pic(h.ffmpeg, &width, &height, &fid) + if width == 0 && height == 0 { + return nil, 0, 0, 0 + } + defer C.free(unsafe.Pointer(p)) + d := C.GoBytes(p, width*height*3) + wid := int(width) + hei := int(height) + gfid := int64(fid) + return d, wid, hei, gfid +} + +//GetAVPacket get AVPacket +func (h *GoFFMPEG) GetAVPacket() ([]byte, int, int) { + var key C.int + var size C.int + + p := C.wrap_fn_get_avpacket(h.ffmpeg, &size, &key) + if size <= 0 { + return nil, 0, -1 + } + defer C.free(unsafe.Pointer(p)) + d := C.GoBytes(p, size) + s := int(size) + k := int(key) + + return d, s, k +} + +///////////////for encoder + +// GoEncoder encoder +type GoEncoder struct { + enc C.cencoder +} + +// NewEncoder encoder +func NewEncoder(w, h, fps, br, sFlag, gi int) *GoEncoder { + if w <= 0 || h <= 0 { + return nil + } + + return &GoEncoder{ + enc: C.wrap_fn_create_encoder(C.int(w), C.int(h), C.int(fps), C.int(br), C.int(sFlag), C.int(gi)), + } +} + +// Free free +func (e *GoEncoder) Free() { + C.wrap_fn_destroy_encoder(e.enc) +} + +// Encode pic +func (e *GoEncoder) Encode(in []byte, w, h int) ([]byte, int, bool) { + + var size C.int + var key C.int + cin := C.CBytes(in) + defer C.free(cin) + + p := C.wrap_fn_encode(e.enc, cin, C.int(w), C.int(h), &size, &key) + defer C.free(p) + if p != nil && size > 0 { + b := C.GoBytes(p, size) + + isKey := false + if key > 0 { + isKey = true + } + return b, int(size), isKey + } + return nil, 0, false +} -- Gitblit v1.8.0