//结束直播
public void DoStopLiveStream()
{
if (live_streaming_ && pls_client_ != IntPtr.Zero)
{
LSClientNativeMethods.Nlss_StopLiveStream(pls_client_);
live_streaming_ = false;
nimSDKHelper.EndDevices();
}
}
public void ClearSession()
{
if (pls_client_ != IntPtr.Zero)
{
if (live_streaming_)
{
LSClientNativeMethods.Nlss_StopLiveStream(pls_client_);
}
LSClientNativeMethods.Nlss_UninitParam(pls_client_);
LSClientNativeMethods.Nlss_Destroy(pls_client_);
}
}
//发送视频帧
public void SendVideoFrame(IntPtr data, int size)
{
int ret = -1;
if (pls_client_ != IntPtr.Zero && live_streaming_)
{
int errorCode = 0;
try
{
ret = LSClientNativeMethods.Nlss_SendCustomVideoData(pls_client_, data, size, ref errorCode);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
}
//发送音频帧
public void SendAudioFrame(IntPtr data, int size, int rate)
{
if (pls_client_ != IntPtr.Zero && live_streaming_)
{
if (data != IntPtr.Zero)
{
int errorCode = 0;
try
{
int ret = LSClientNativeMethods.Nlss_SendCustomAudioData(pls_client_, data, size, rate, ref errorCode);
System.Diagnostics.Debug.Assert(errorCode == 0);
}
catch (Exception)
{
}
}
}
}
//开始直播
public void DoStartLiveStream()
{
bool ret = false;
if (live_streaming_)
{
ret = true;
}
else if (pls_client_ != IntPtr.Zero)
{
int ls_ret = LSClientNativeMethods.Nlss_StartLiveStream(pls_client_);
System.Diagnostics.Debug.Assert(ls_ret == 0);
if (ls_ret == 0)
{
live_streaming_ = true;
nimSDKHelper.StartDevices();
}
}
}
public bool InitSession(bool screen, string url)
{
if (pls_client_ != IntPtr.Zero)
{
ClearSession();
}
string path = NIM.ToolsAPI.GetLocalAppDataDir() + @"NIMCSharpDemo\NIM\NIM_LS";
IntPtr ptr = new IntPtr();
int ls_ret = LSClientNativeMethods.Nlss_Create(path, out ptr);
System.Diagnostics.Debug.Assert(ls_ret == 0);
ls_para_.stAudioParam.enInType = enum_NLSS_AUDIOIN_TYPE.EN_NLSS_AUDIOIN_RAWDATA;
ls_para_.stVideoParam.enInType = enum_NLSS_VIDEOIN_TYPE.EN_NLSS_VIDEOIN_RAWDATA;
pls_client_ = new IntPtr(ptr.ToInt64());
int nSizeOfParam = Marshal.SizeOf(ls_para_);
IntPtr ptr_ls = Marshal.AllocHGlobal(nSizeOfParam);
int ls_ret_default = -1;
try
{
Marshal.StructureToPtr(ls_para_, ptr_ls, false);
ls_ret_default = LSClientNativeMethods.Nlss_GetDefaultParam(pls_client_, ptr_ls);
ls_para_ = (struct_NLSS_PARAM)Marshal.PtrToStructure(ptr_ls, typeof(struct_NLSS_PARAM));
}
catch (Exception ex)
{
}
finally
{
Marshal.FreeHGlobal(ptr_ls);
}
System.Diagnostics.Debug.Assert(ls_ret_default == 0);
ls_para_.paOutUrl = url;
//音频
ls_para_.stAudioParam.iInSamplerate = 44100;
ls_para_.stAudioParam.iInnumOfChannels = 1;
ls_para_.stAudioParam.iInBitsPerSample = 16;
ls_para_.stAudioParam.enInFmt = enum_NLSS_AUDIOIN_FMT.EN_NLSS_AUDIOIN_FMT_S16;
//视频
if (width_ == 1280)
{
//width_ = 1280;
//height_ = 720;
ls_para_.stVideoParam.iOutBitrate = 1500000;
}
else
{
//width_ = 640;
//height_ = 480;
ls_para_.stVideoParam.iOutBitrate = 700000;
}
ls_para_.stVideoParam.stInCustomVideo.enVideoInFmt = enum_NLSS_VIDEOIN_FMT.EN_NLSS_VIDEOIN_FMT_I420;
ls_para_.stVideoParam.stInCustomVideo.iInWidth = width_;
ls_para_.stVideoParam.stInCustomVideo.iInHeight = height_;
ls_para_.stVideoParam.stInCustomVideo.iYStride = width_;
ls_para_.stVideoParam.stInCustomVideo.iUVStride = width_ / 2;
int nSizeOfParam2 = Marshal.SizeOf(ls_para_);
IntPtr ptr_ls2 = Marshal.AllocHGlobal(nSizeOfParam2);
try
{
Marshal.StructureToPtr(ls_para_, ptr_ls2, false);
struct_NLSS_PARAM param = (struct_NLSS_PARAM)Marshal.PtrToStructure(ptr_ls2, typeof(struct_NLSS_PARAM));
int ls_ret_init = LSClientNativeMethods.Nlss_InitParam(pls_client_, ptr_ls2);
System.Diagnostics.Debug.Assert(ls_ret_init == 0);
}
catch (Exception ex)
{
}
finally
{
Marshal.FreeHGlobal(ptr_ls2);
}
nimSDKHelper.Init();
return(true);
}
public bool OnStartPreview()
{
LSClientNativeMethods.Nlss_StartVideoPreview(pls_client_);
return(true);
}