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打开视频文件 - OpenVideo

函数简介

打开视频文件,返回视频句柄,支持本地文件和网络流。

接口名称

OpenVideo

DLL调用

c
int64_t OpenVideo(int64_t instance, string videoPath);

参数说明

参数名类型说明
instance长整数型OLAPlug对象的指针,由 CreateCOLAPlugInterFace 接口生成。
videoPath字符串视频文件路径(支持本地文件和网络流URL)

示例

SDK 调用

cpp
#include "OLAPlugServer.h"

OLAPlugServer ola;
long video = ola.OpenVideo("videos/demo.mp4");
csharp
using OLAPlug;

var ola = new OLAPlugServer();
long video = ola.OpenVideo("videos/demo.mp4");
python
from OLAPlugServer import OLAPlugServer

ola = OLAPlugServer()
video = ola.OpenVideo("videos/demo.mp4")
java
import com.olaplug.OLAPlugServer;

OLAPlugServer ola = new OLAPlugServer();
long video = ola.OpenVideo("videos/demo.mp4");
cpp
var ola = com("OlaPlug.OlaSoft")
var video = ola.OpenVideo("videos/demo.mp4")
vbscript
Set ola = CreateObject("OlaPlug.OlaSoft")
video = ola.OpenVideo("videos/demo.mp4")
text
.局部变量 ola, OLAPlug
ola.创建 ()
video = ola.OpenVideo(“videos/demo.mp4“)
aardio
import OLAPlugServer;
var ola = OLAPlugServer();
var video = ola.OpenVideo("videos/demo.mp4");
text
变量 ola <类型 = OLAPlugServer>
ola = 新建 OLAPlugServer
长整数 video = ola.OpenVideo("videos/demo.mp4")
cpp
#include "OLAPlugServer.h"

OLAPlugServer ola;
long video = ola.OpenVideo("videos/demo.mp4");

原生 DLL 调用

cpp
long instance = CreateCOLAPlugInterFace();
long video = OpenVideo(instance, "videos/demo.mp4");
csharp
long instance = CreateCOLAPlugInterFace();
long video = OpenVideo(instance, "videos/demo.mp4");
python
from ctypes import CDLL, c_int, c_int64, create_string_buffer

ola = CDLL("OLAPlug_x64.dll")
ola.CreateCOLAPlugInterFace.restype = c_int64
instance = ola.CreateCOLAPlugInterFace()
video = OpenVideo(instance, "videos/demo.mp4")

返回值

长整数型:视频句柄,失败返回 0。

注意事项

  • 返回的句柄用于后续的视频操作,使用完毕后需调用 CloseVideo 释放
  • 网络流需要稳定的网络连接