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
---
goconv.go | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/goconv.go b/goconv.go
index 311bdd4..cbf48af 100644
--- a/goconv.go
+++ b/goconv.go
@@ -124,4 +124,28 @@
return c.ConvToPicture(src)
}
-/////////////// for conv
+///////////////
+
+// ConvToPicture2 second
+func (c *GoConv) ConvToPicture2(src []byte) (unsafe.Pointer, []byte) {
+ if c.conv == nil {
+ return nil, nil
+ }
+
+ bgr := C.wrap_fn_conv(unsafe.Pointer(libcffmpeg), c.conv, (*C.uchar)(unsafe.Pointer(&src[0])))
+ if bgr != nil {
+ const maxLen = 0x7fffffff
+ size := int(c.size)
+ data := (*[maxLen]byte)(unsafe.Pointer(bgr))[:size:size]
+ return bgr, data
+ }
+ return nil, nil
+}
+
+// Resize2 resize2
+func (c *GoConv) Resize2(src []byte) (unsafe.Pointer, []byte) {
+ if c.SrcW == c.DstW && c.SrcH == c.DstH {
+ return nil, src
+ }
+ return c.ConvToPicture2(src)
+}
--
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