From 6f9d46539bce25828e3229db6cd9c0dbae1f3e11 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期日, 19 一月 2020 11:43:34 +0800
Subject: [PATCH] update ffmpeg
---
goffmpeg.go | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/goffmpeg.go b/goffmpeg.go
index 252e7a1..1844a22 100644
--- a/goffmpeg.go
+++ b/goffmpeg.go
@@ -12,6 +12,39 @@
"unsafe"
)
+const (
+ // ScaleNone self add no scale raw frame data
+ ScaleNone = 0
+ // 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
+)
+
+// SrcFormat format NV
+const SrcFormat = 23
+
+// DstFormat format
+const DstFormat = 3
+
var libcffmpeg C.libcffmpeg
// InitFFmpeg init ffmepg
@@ -107,3 +140,16 @@
}
C.free(unsafe.Pointer(p))
}
+
+// GetGBJpg Get GB28181 Jpg
+func GetGBJpg(rtspUrl string) []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)
+ defer C.free(unsafe.Pointer(pic))
+
+ retJpg := C.GoBytes(unsafe.Pointer(pic), jpgLen)
+ return retJpg
+}
\ No newline at end of file
--
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