From 177293afbc1635e87d82070abeb687974326f41a Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期二, 25 五月 2021 15:46:50 +0800
Subject: [PATCH] add retval
---
goffmpeg.go | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/goffmpeg.go b/goffmpeg.go
index 485e568..5dccfab 100644
--- a/goffmpeg.go
+++ b/goffmpeg.go
@@ -209,14 +209,18 @@
}
// GetGBJpg Get GB28181 Jpg
-func GetGBJpg(rtspURL string, maxTry int) []byte {
+func GetGBJpg(rtspURL string, maxTry int) ([]byte, int) {
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, C.int(maxTry))
- defer C.free(unsafe.Pointer(pic))
+ var pic unsafe.Pointer
+ ret := C.wrap_fn_get_gb28181_pic(unsafe.Pointer(libcffmpeg), rtsp, &pic, &jpgLen, C.int(maxTry))
+ if ret <= 0 {
+ return nil, int(ret)
+ }
+ defer C.free(pic)
retJpg := C.GoBytes(unsafe.Pointer(pic), jpgLen)
- return retJpg
+ return retJpg, int(ret)
}
--
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