Exemplo n.º 1
0
        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);
            }
        }
Exemplo n.º 2
0
 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>());
 }