From 68a19a73681301c6712e10d55bc64324716dbd24 Mon Sep 17 00:00:00 2001 From: zhangmeng <775834166@qq.com> Date: 星期三, 09 十月 2019 15:38:47 +0800 Subject: [PATCH] split scale --- goffmpeg.go | 215 ++--------------------------------------------------- 1 files changed, 10 insertions(+), 205 deletions(-) diff --git a/goffmpeg.go b/goffmpeg.go index d23bf80..dedb2bf 100644 --- a/goffmpeg.go +++ b/goffmpeg.go @@ -12,31 +12,6 @@ "unsafe" ) -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 -) - var libcffmpeg C.libcffmpeg // InitFFmpeg init ffmepg @@ -59,35 +34,23 @@ } } -// 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 { +func New(GB, CPU bool) *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 { + if GB { C.wrap_fn_run_gb28181(f) } - if conf.CPU { + if CPU { C.wrap_fn_use_cpu(f) } @@ -97,21 +60,18 @@ } // NewWithLog log -func NewWithLog(conf Config, logfile string) *GoFFMPEG { - lf := C.CString(logfile) +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 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 { + if GB { C.wrap_fn_run_gb28181(f) } - if conf.CPU { + if CPU { C.wrap_fn_use_cpu(f) } @@ -122,7 +82,9 @@ // Free free handle func (h *GoFFMPEG) Free() { - C.wrap_fn_destroy(h.ffmpeg) + if h.ffmpeg != nil { + C.wrap_fn_destroy(h.ffmpeg) + } } // Run ffmpeg @@ -131,161 +93,4 @@ defer C.free(unsafe.Pointer(in)) C.wrap_fn_run(h.ffmpeg, in) -} - -// 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, audio bool) { - out := C.CString(output) - defer C.free(unsafe.Pointer(out)) - csid := C.CString(sid) - defer C.free(unsafe.Pointer(csid)) - - a := 0 - if audio { - a = 1 - } - C.wrap_fn_recorder(h.ffmpeg, csid, out, C.int(mind), C.int(maxd), C.int(a)) -} - -// GetInfoRecorder info -func (h *GoFFMPEG) GetInfoRecorder() (string, int, string) { - var i C.int = -1 - - var id *C.char - var idl C.int - - var p *C.char - var pl C.int - - C.wrap_fn_info_recorder(h.ffmpeg, &i, &id, &idl, &p, &pl) - // if p == nil { - // return -1, "" - // } - gID := C.GoString(id) - C.free(unsafe.Pointer(id)) - path := C.GoString(p) - C.free(unsafe.Pointer(p)) - - // fmt.Println("Go get info : ", path, " len: ", l) - - return gID, int(i), path -} - -// 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 decoder - -// Decode decode jpeg file -// return val: -1 open error; -2, find stream error; -3, converter create error -func Decode(input string, gb bool) ([]byte, int, int) { - in := C.CString(input) - defer C.free(unsafe.Pointer(in)) - - withGB := 0 - if gb { - withGB = 1 - } - - var width C.int - var height C.int - p := C.wrap_fn_decode(in, C.int(withGB), &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, int(width), int(height) -} - -///////////////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