public void Initialize()
{
try
{
Interop.FFmpeg.av_register_all();
Interop.FFmpeg.avformat_network_init();
unsafe
{
Interop.FFmpeg.av_log_set_level(FFmpegMacros.AV_LOG_INFO);
Interop.av_log_set_callback_callback logCallback = (p0, level, format, vl) =>
{
if (level > Interop.FFmpeg.av_log_get_level())
{
return;
}
const int lineSize = 1024;
var lineBuffer = stackalloc byte[lineSize];
var printPrefix = 1;
Interop.FFmpeg.av_log_format_line(p0, level, format, vl, lineBuffer, lineSize, &printPrefix);
var line = Marshal.PtrToStringAnsi((IntPtr)lineBuffer);
Logger.Warn(line);
};
Interop.FFmpeg.av_log_set_callback(logCallback);
}
}
catch (Exception e)
{
Logger.Error(e, "Could not load and register FFmpeg library");
throw new DemuxerException("Could not load and register FFmpeg library", e);
}
}
private ArraySegment <byte> ReadPacket(int size)
{
try
{
var token = cancellationTokenSource.Token;
var data = buffer.Take(size, token);
return(data);
}
catch (TaskCanceledException)
{
Logger.Info("Take cancelled");
}
catch (InvalidOperationException ex)
{
Logger.Warn(ex);
}
catch (Exception ex)
{
Logger.Error(ex, $"Unexpected exception: {ex.GetType()}");
}
return(new ArraySegment <byte>());
}