/// <summary>
/// 处理RTSP视频I帧
/// </summary>
/// <param name="channelPtr"></param>
/// <param name="frameInfoPtr"></param>
/// <param name="pBuf"></param>
/// <returns></returns>
private int ProcessVideoFrame_I(IntPtr channelPtr, IntPtr frameInfoPtr, IntPtr pBuf)
{
//获取通道信息
_channel_info channelInfo = (_channel_info)Marshal.PtrToStructure(channelPtr, typeof(_channel_info));
//获取帧信息
EasyTypes.EASY_FRAME_INFO frameInfo = (EasyTypes.EASY_FRAME_INFO)Marshal.PtrToStructure(frameInfoPtr, typeof(EasyTypes.EASY_FRAME_INFO));
//RTMP初始化
if (!this.rtmpClient.IsInit)
{
//启动 rtmp
var retRtmp = this.StartRtmp();
if (!retRtmp.Key)
{
return(0);
}
EasyTypes.EASY_MEDIA_INFO_T mediaInfo = EasyTypes.Create_EASY_MEDIA_INFO_T();
mediaInfo.u32VideoFps = channelInfo.fMediainfo.u32VideoFps;
mediaInfo.u32AudioSamplerate = channelInfo.fMediainfo.u32AudioSamplerate; /* 音频采样率 */
mediaInfo.u32AudioChannel = channelInfo.fMediainfo.u32AudioChannel; /* 音频通道数 */
mediaInfo.u32AudioBitsPerSample = channelInfo.fMediainfo.u32AudioBitsPerSample; /* 音频采样精度 */
//媒体信息
retRtmp = this.rtmpClient.InitMetadata(mediaInfo);
if (!retRtmp.Key)
{
//return;
}
}
EasyTypes.EASY_AV_Frame avFrame = new EasyTypes.EASY_AV_Frame();
avFrame.u32AVFrameFlag = EasyTypes.EASY_SDK_VIDEO_FRAME_FLAG;
avFrame.u32AVFrameLen = frameInfo.length;
avFrame.pBuffer = pBuf;
avFrame.u32VFrameType = EasyTypes.EASY_SDK_VIDEO_FRAME_I;
//发送数据包
var ret = this.rtmpClient.SendPacket(avFrame);
if (!ret.Key)
{
//return;
}
return(0);
}
/// <summary>
/// 创建RTMP推送的参数信息
/// </summary>
/// <param name="mediaInfo"> 流媒体信息 </param>
/// <param name="bufferKSize"> 缓冲区大小 </param>
/// <returns></returns>
public KeyValuePair <bool, string> InitMetadata(EasyTypes.EASY_MEDIA_INFO_T mediaInfo, int bufferKSize = 1024)
{
if (!this.IsInit)
{
return(new KeyValuePair <bool, string>(false, "RTMP 未创建!"));
}
try
{
int ret = IsWindows ? EasyRTMP_InitMetadata_Win32(this.RtmpHandle, mediaInfo, bufferKSize) : EasyRTMP_InitMetadata_Linux(this.RtmpHandle, mediaInfo, bufferKSize);
if (ret == 0)
{
return(new KeyValuePair <bool, string>(true, "RTMP 创建媒体成功!"));
}
else
{
return(new KeyValuePair <bool, string>(false, string.Format("RTMP 创建媒体失败，错误代码：{0}", ret)));
}
}
catch (System.Exception e)
{
return(new KeyValuePair <bool, string>(false, e.Message));
}
}
private extern static int EasyRTMP_InitMetadata_Linux(IntPtr handle, EasyTypes.EASY_MEDIA_INFO_T pstruStreamInfo, int bufferKSize);
