/// <summary>
/// 获取所有DeckLink设备信息
/// </summary>
/// <returns></returns>
public IEnumerable <InDeviceInfo> GetDeckLinkDevices()
{
var results = new List <InDeviceInfo>();
var deviceInfos = new _InDeviceInfo[5];
try
{
var deviceInfosPtr = Marshal.UnsafeAddrOfPinnedArrayElement(deviceInfos, 0);
for (int i = 0; i < deviceInfos.Length; i++)
{
deviceInfos[i].Initialize();
}
var num = deviceInfos.Length;
if (Api.GetDeckLinkDeviceList(deviceInfosPtr, ref num) == FuncResult.Ok)
{
for (int i = 0; i < num; i++)
{
results.Add((InDeviceInfo)deviceInfos[i]);
}
}
}
finally
{
for (var i = 0; i < deviceInfos.Length; i++)
{
deviceInfos[i].Dispose();
}
}
return(results);
}
/// <summary>
/// 获取可用多媒体设备列表名称，暂时只支持DShow采集音视频
/// </summary>
/// <param name="videoDeviceInfos">视频采集设备信息</param>
/// <param name="audioDeviceInfos">音频采集设备信息</param>
public void GetFreeDeviceInfos(out IEnumerable <InDeviceInfo> videoDeviceInfos, out IEnumerable <InDeviceInfo> audioDeviceInfos)
{
var videoDevices = new List <InDeviceInfo>();
var audioDevices = new List <InDeviceInfo>();
videoDeviceInfos = videoDevices;
audioDeviceInfos = audioDevices;
var videoDeviceNum = 0;
var audioDeviceNum = 0;
if (Api.GetFreeDevicesNum(out videoDeviceNum, out audioDeviceNum) == FuncResult.Error)
{
return;
}
if (videoDeviceNum == 0 &&
audioDeviceNum == 0)
{
return;
}
var videoInfos = new _InDeviceInfo[videoDeviceNum];
var audioInfos = new _InDeviceInfo[audioDeviceNum];
try
{
var videoInfosPtr = Marshal.UnsafeAddrOfPinnedArrayElement(videoInfos, 0);
var audioInfosPtr = Marshal.UnsafeAddrOfPinnedArrayElement(audioInfos, 0);
for (var i = 0; i < videoInfos.Length; i++)
{
videoInfos[i].Initialize();
}
for (var i = 0; i < audioInfos.Length; i++)
{
audioInfos[i].Initialize();
}
if (Api.GetFreeDeviceInfos(videoInfosPtr, videoDeviceNum, audioInfosPtr, audioDeviceNum) == FuncResult.Ok)
{
for (var i = 0; i < videoInfos.Length; i++)
{
videoDevices.Add((InDeviceInfo)videoInfos[i]);
}
for (var i = 0; i < audioInfos.Length; i++)
{
audioDevices.Add((InDeviceInfo)audioInfos[i]);
}
}
}
finally
{
for (var i = 0; i < videoInfos.Length; i++)
{
videoInfos[i].Dispose();
}
for (var i = 0; i < audioInfos.Length; i++)
{
audioInfos[i].Dispose();
}
}
}
internal static extern FuncResult GetCamereCaptureInfo(ref _InDeviceInfo camera, [Out] IntPtr captureParams, ref int num);
