private void _ups_Unpacked(object arg1, Nalu arg2)
{
if (_decoder == null)
{
_decoder = new VideoDecoder();
var codicId = Constants.AVCodecID.AV_CODEC_ID_H264;
_decoder.Create(codicId);
}
if (arg2.Header.Type == 7 || arg2.Header.Type == 8)
{
_decoder.Decode(arg2.BytesWithStartCode(), out _curWidth, out _curHeight);
}
else
{
byte[] frameData = _decoder.Decode(arg2.BytesWithStartCode(), out _curWidth, out _curHeight);
if (frameData != null)
{
if (_curWidth != _width || _curHeight != _height)
{
_width = _curWidth;
_height = _curHeight;
_renderSource.SetupSurface(_curWidth, _curHeight);
}
renderFrame(frameData);
}
}
}
private void onStreamEvent(IStreamPacket packet)
{
Console.WriteLine();
Console.Write("packet {0}:", packet.Buffer.Length);
for (int i = 0; i < 30; i++)
{
Console.Write("{0:X2}, ", packet.Buffer[i]);
}
Console.WriteLine();
int width = 0;
int height = 0;
byte[] frameData = _decoder.Decode(packet.Buffer, out width, out height);
if (frameData != null)
{
Console.WriteLine("Decode frame: {0}", frameData.Length);
int size = width * 4 * height;
byte[] rgb = new byte[size];
for (int i = 0; i < width * height; i++)
{
rgb[i * 4] = rgb[i * 4 + 1] = rgb[i * 4 + 2] = frameData[i];
rgb[i * 4 + 3] = 0xFF;
}
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(rgb, 0, ptr, size);
using (Bitmap bmp = new Bitmap(width, height, width * 4, System.Drawing.Imaging.PixelFormat.Format32bppRgb, ptr))
{
onBitmap(bmp);
}
Marshal.FreeHGlobal(ptr);
}
}
private void updateFromH264(IStreamPacket packet)
{
byte[] buffer = getVideoDecoderBuffer(packet.Buffer);
if (buffer != null && buffer.Length > 0)
{
int width = 0;
int height = 0;
byte[] frameData = _decoder?.Decode(buffer, out width, out height);
if (frameData != null)
{
onDisplay(frameData, width, height);
MessageInfo = "设备支持海康码流转为Ffmpeg.VideoDecoder格式";
}
}
}
private void onHeader(IHeaderPacket packet)
{
var header = packet as StandardHeaderPacket;
Console.Write("header {0}:", header.Buffer.Length);
for (int i = 0; i < header.Buffer.Length; i++)
{
Console.Write("{0:X2}, ", header.Buffer[i]);
}
Console.WriteLine();
_decoder = new VideoDecoder();
_decoder.Create((Constants.AVCodecID)header.CodecID);
int width = 0;
int height = 0;
_decoder.Decode(header.Buffer, out width, out height);
}
public VideoFrame Decode(int type, ulong pts, byte[] data)
{
if (_decoder != null)
{
int width;
int height;
byte[] frame = _decoder.Decode(data, out width, out height);
if (frame != null)
{
return(new VideoFrame()
{
Width = width,
Height = height,
Pts = pts,
Data = frame,
});
}
}
return(null);
}
private void onHeader(IHeaderPacket packet)
{
var header = packet as StandardHeaderPacket;
_rtspServer.UpdateHeader(header.Buffer);
Console.WriteLine();
string rtspstr = $"rtsp header {header.Buffer.Length}:";
for (int i = 0; i < header.Buffer.Length; i++)
{
rtspstr += string.Format("{0:X2}, ", header.Buffer[i]);
}
Console.WriteLine(rtspstr);
_decoder = new VideoDecoder();
_decoder.Create((Constants.AVCodecID)header.CodecID);
int width = 0;
int height = 0;
byte[] frame = _decoder.Decode(header.Buffer, out width, out height);
}
private void onStreamEvent(IStreamPacket packet)
{
//savetoTxt(packet.Buffer);
//Console.WriteLine();
//string rtspstr = $"rtsp stream {packet.Buffer.Length}:";
//for (int i = 0; i < Math.Min(100, packet.Buffer.Length); i++)
// rtspstr += string.Format("{0:X2}, ", packet.Buffer[i]);
//Console.WriteLine(rtspstr);
int width = 0;
int height = 0;
byte[] frameData = _decoder.Decode(packet.Buffer, out width, out height);
if (frameData != null)
{
if (width != _width || height != _height)
{
_width = width;
_height = height;
_renderSource.SetupSurface(width, height);
}
renderFrame(frameData, width, height);
}
}
