public static MediaFrameEntity MediaFrame2MediaSteamEntity(MediaFrame frame)
{
var result = new MediaFrameEntity()
{
Buffer = frame.GetData(),
Length = (ushort)frame.Size,
EncodTime = frame.NTimetick,
MediaType = frame.IsAudio == 1 ? MediaType.AudioES : MediaType.VideoES,
SampleRate = 32000,
FrameRate = 25,
Width = (ushort)frame.Width,
Height = (ushort)frame.Height,
KeyFrame = (byte)(frame.IsAudio == 0 && frame.IsKeyFrame == 1 ? 1 : 0),
};
if (frame.IsAudio == 1 && frame.IsKeyFrame == 1)
{
result.SampleRate = (ushort)frame.Frequency;
}
if (frame.IsCommandMediaFrame())
{
result.Buffer = new byte[0];
result.Length = 0;
}
return(result);
}
//System.IO.BinaryWriter bw = new BinaryWriter(new System.IO.FileStream(@"D:\\aac.aac", FileMode.Create));
protected virtual void _Play(MediaFrame frame)
{
if (_isDisoseing || _isDisosed)
{
return;
}
if (!_inited && frame.IsKeyFrame == 1)
{
Init(frame);
}
if (!_inited)
{
return;
}
if (frame.IsCommandMediaFrame() && frame.GetCommandType() == MediaFrameCommandType.ResetCodec)
{
//在这里重置解码器,这里因为音频格式一般不会发生变化,所以暂时没有做处理
return;
}
//string b = DateTime.Now.TimeOfDay + " begin end:";
byte[] buf = null;
if (_aac != null)
{
buf = DecMultiAAC(frame.GetData());
}
if (_speex != null)
{
buf = DecSPEX(frame.GetData());
}
if (buf != null && buf.Length > 0)
{
_Play(buf);
}
else
{
}
//Console.WriteLine(b + DateTime.Now.TimeOfDay + " : " + frame.Data.Length + " aac:" + buf.Length);
}
private void PlayForward(MediaFrame frame)
{
if (frame != null)
{
if (frame.NTimetick < _curPlayMediaTimetick)
{
_isHasBFrame = true;
}
if (_curPlayMediaTimetick < frame.NTimetick)
{
_curPlayMediaTimetick = frame.NTimetick;
}
}
if (frame != null)
{
if (!_isHasBFrame)
{
if (Speed == 1)
{
long a = frame.NTimetick - ccc;
if (a < 150)
{
coutnnn += a - (int)bb;
i++;
if (i == 20)
{
b = (int)coutnnn / 20;
i = 0;
coutnnn = 0;
}
}
if (max == 0)
{
max = b;
}
if (min == 0)
{
min = b;
}
int sleep = (int)b;
if (sleep > max)
{
max = sleep;
}
if (sleep < min)
{
min = sleep;
}
if (_queue.Count < 4)
{
//int mid = (max + min) / 2;
//sleep += 1;
//b += 1;
if (min != 0 && max != 0 && min != max)
{
sleep = (min + max) / 2 + (min + max) % 2;
b = sleep;
min = 0;
max = 0;
}
else
{
sleep += 1;
b += 1;
}
//max = mid;
//min = mid;
}
if (_queue.Count > 6)
{
if (min != 0 && max != 0 && min != max)
{
sleep = (min + max) / 2;
b = sleep;
min = 0;
max = 0;
}
else
{
sleep -= 1;
b--;
}
}
if (sleep <= 0)
{
sleep = 10;
}
//var sleep = (int)(_syncPlayTime);
//if (sleep > 200)
// sleep = 40;
//if (sleep < 0)
// sleep = 10;
// Console.WriteLine("tick:" +a+ " cachecount:" + _queue.Count);
ccc = frame.NTimetick;
// Console.WriteLine("tick:" + sleep + " cachecount:" + _queue.Count);
Thread.Sleep(sleep);
}
else
{
var sysSpan = Environment.TickCount - _lastPlaySystemTime;
var sleep = (int)((frame.NTimetick - _lastPlayMediaTimetick - sysSpan) / Speed);
if (sleep > 200 || sleep < 0)
{
sleep = 40;
}
Thread.Sleep(sleep);
_lastPlayMediaTimetick = frame.NTimetick;
}
}
long dd = DateTime.Now.Ticks;
if (!CheckInit(frame))
{
return;
}
byte[] yuv = _ffimp.VideoDec(frame.GetData(), _yuvDataBuffer);
//_drawHandle.BeginInvoke(frame.Data, null, null);
DateTime db = DateTime.Now;
Draw(yuv);
bb = (DateTime.Now.Ticks - dd) / 10000;
Console.WriteLine(DateTime.Now.TimeOfDay + " Consume: " + (DateTime.Now - db).TotalMilliseconds);
}
else
{
ThreadEx.Sleep(10);
}
}