From dc65b072a13994ff02cc7b54f3b00ba087e7f86a Mon Sep 17 00:00:00 2001 From: zhangmeng <775834166@qq.com> Date: 星期三, 20 十一月 2019 14:05:52 +0800 Subject: [PATCH] add zerocopy --- gostream.go | 21 ++++++++++++++++++++- 1 files changed, 20 insertions(+), 1 deletions(-) diff --git a/gostream.go b/gostream.go index dc94166..7ae6636 100644 --- a/gostream.go +++ b/gostream.go @@ -14,13 +14,32 @@ var size C.int p := C.wrap_fn_get_avpacket(unsafe.Pointer(libcffmpeg), h.ffmpeg, &size, &key) + defer C.free(unsafe.Pointer(p)) 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 } + +//GetAVPacket2 get AVPacket +func (h *GoFFMPEG) GetAVPacket2() (unsafe.Pointer, []byte, int, int) { + var key C.int + var size C.int + + p := C.wrap_fn_get_avpacket(unsafe.Pointer(libcffmpeg), h.ffmpeg, &size, &key) + if size <= 0 { + return nil, nil, 0, -1 + } + + const maxLen = 0x7fffffff + length := int(size) + data := (*[maxLen]byte)(unsafe.Pointer(p))[:length:length] + + k := int(key) + + return p, data, length, k +} -- Gitblit v1.8.0