Inheritance: TsTable
Beispiel #1
0
 private void CreatePsi()
 {
     pidMappings = new Dictionary<ushort, ushort>();
     Continuities = new Dictionary<ushort, byte>();
     ushort currentVideoPid = Constants.DEFAULT_VIDEO_PID;
     ushort currentAudioPid = Constants.DEFAULT_AUDIO_PID;
     ushort currentSubPid = Constants.DEFAULT_SUBTITLE_PID;
     ushort currentPresPid = Constants.DEFAULT_PRESENTATION_GRAPHICS_PID;
     ushort currentIntPid = Constants.DEFAULT_INTERACTIVE_GRAPHICS_PID;
     pmtStreams = new List<StreamInfo>();
     StreamInfo sitemp = null;
     foreach (StreamInfo si in StreamsToKeep)
     {
         if (pidMappings.ContainsKey(si.ElementaryPID))
             throw new ArgumentException(String.Format("Invalid/Duplicate StreamInfo with pid {0}", si.ElementaryPID));
         switch (si.StreamType)
         {
             case ElementaryStreamTypes.AUDIO_STREAM_AC3:
             case ElementaryStreamTypes.AUDIO_STREAM_AC3_PLUS:
                 pidMappings.Add(si.ElementaryPID, currentAudioPid);
                 if(this.fileType == TsFileType.BLU_RAY)
                     sitemp = new StreamInfo(si.StreamType, currentAudioPid);
                 else
                     sitemp = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3, currentAudioPid);
                 Continuities.Add(currentAudioPid, 0);
                 currentAudioPid++;
                 break;
             case ElementaryStreamTypes.AUDIO_STREAM_AC3_TRUE_HD:
                 pidMappings.Add(si.ElementaryPID, currentAudioPid);
                 if(MlpToAc3)
                     sitemp = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3, currentAudioPid);
                 else
                     sitemp = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3_TRUE_HD, currentAudioPid);
                 Continuities.Add(currentAudioPid, 0);
                 currentAudioPid++;
                 break;
             case ElementaryStreamTypes.AUDIO_STREAM_DTS_HD:
             case ElementaryStreamTypes.AUDIO_STREAM_DTS_HD_MASTER_AUDIO:
                 pidMappings.Add(si.ElementaryPID, currentAudioPid);
                 if (MlpToAc3)
                     sitemp = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_DTS, currentAudioPid);
                 else
                     sitemp = new StreamInfo(si.StreamType, currentAudioPid);
                 Continuities.Add(currentAudioPid, 0);
                 currentAudioPid++;
                 break;
             case ElementaryStreamTypes.AUDIO_STREAM_DTS:
             case ElementaryStreamTypes.AUDIO_STREAM_LPCM:
             case ElementaryStreamTypes.AUDIO_STREAM_MPEG1:
             case ElementaryStreamTypes.AUDIO_STREAM_MPEG2:
                 pidMappings.Add(si.ElementaryPID, currentAudioPid);
                 sitemp = new StreamInfo(si.StreamType, currentAudioPid);
                 Continuities.Add(currentAudioPid, 0);
                 currentAudioPid++;
                 break;
             case ElementaryStreamTypes.SUBTITLE_STREAM:
                 pidMappings.Add(si.ElementaryPID, currentSubPid);
                 sitemp = new StreamInfo(si.StreamType, currentSubPid);
                 Continuities.Add(currentSubPid, 0);
                 currentSubPid++;
                 break;
             case ElementaryStreamTypes.PRESENTATION_GRAPHICS_STREAM:
                 pidMappings.Add(si.ElementaryPID, currentPresPid);
                 sitemp = new StreamInfo(si.StreamType, currentPresPid);
                 Continuities.Add(currentPresPid, 0);
                 currentPresPid++;
                 break;
             case ElementaryStreamTypes.INTERACTIVE_GRAPHICS_STREAM:
                 pidMappings.Add(si.ElementaryPID, currentIntPid);
                 sitemp = new StreamInfo(si.StreamType, currentIntPid);
                 Continuities.Add(currentIntPid, 0);
                 currentIntPid++;
                 break;
             case ElementaryStreamTypes.VIDEO_STREAM_H264:
             case ElementaryStreamTypes.VIDEO_STREAM_MPEG1:
             case ElementaryStreamTypes.VIDEO_STREAM_MPEG2:
             case ElementaryStreamTypes.VIDEO_STREAM_VC1:
                 pidMappings.Add(si.ElementaryPID, currentVideoPid);
                 sitemp = new StreamInfo(si.StreamType, currentVideoPid);
                 Continuities.Add(currentVideoPid, 0);
                 currentVideoPid++;
                 if (0 == VideoType)
                     VideoType = (byte)si.StreamType;
                 break;
         }
         sitemp.ElementaryDescriptors = si.ElementaryDescriptors;
         sitemp.AspectRatio = si.AspectRatio;
         sitemp.AudioPresentationType = si.AudioPresentationType;
         sitemp.FrameRate = si.FrameRate;
         sitemp.SamplingFrequency = si.SamplingFrequency;
         sitemp.VideoFormat = si.VideoFormat;
         pmtStreams.Add(sitemp);
     }
     pat = new PatPacket();
     ProgramInfo[] pi = new ProgramInfo[2];
     pi[0] = new ProgramInfo(0, Constants.SIT_PID);
     pi[1] = new ProgramInfo(1, Constants.DEFAULT_PMT_PID);
     pat.Programs = pi;
     pmt = new PmtPacket();
     pmt.PID = Constants.DEFAULT_PMT_PID;
     pmt.ElementaryStreams = pmtStreams.ToArray();
     List<byte> programDescriptors = new List<byte>();
     programDescriptors.AddRange(Constants.copy_control_descriptor);
     programDescriptors.AddRange(Constants.hdmv_registration_descriptor);
     pmt.ProgramDescriptorsData = programDescriptors.ToArray();
     sit = new SitPacket();
     buffer.Add(pat);
     pat.IncrementContinuityCounter();
     buffer.Add(pmt);
     pmt.IncrementContinuityCounter();
     buffer.Add(sit);
     sit.IncrementContinuityCounter();
 }
Beispiel #2
0
        protected override void GetInitialValues()
        {
            GetTimestamps();
            Seek(-1);
            PatPacket pp = null;
            PmtPacket pm = null;
            bool bluray = false;
            bool validPmt = false;
            ushort pmtPid = 0;
            int i = 0;
            Dictionary<ushort, StreamInfo> streams = new Dictionary<ushort, StreamInfo>();
            while (true)
            {
                for (i = tsior.Read(tsPack, 0, 1 + stride); (i > 0) && (tsPack[stride] != Constants.SYNC_BYTE); i = tsior.Read(tsPack, stride, 1))
                    ; // ensure a good sync byte
                if (i == 0)
                    break; // end of stream
                i = tsior.Read(tsPack, stride + 1, tsPack.Length - (stride + 1));
                if (i < tsPack.Length - (stride + 1))
                    break; // end of stream
                ts.SetData(tsPack, stride);
                if (ts.PID == Constants.PAT_PID)
                {
                    pp = new PatPacket(ts.GetData());
                    ProgramInfo[] pi = pp.Programs;
                    if (null != pi && pi.Length == 2)
                    {
                        if ((pi[0].ProgramNumber == 0 && pi[0].ProgramPID == 0x001f && pi[1].ProgramNumber == 1 && pi[1].ProgramPID == 0x0100)
                            || (pi[1].ProgramNumber == 0 && pi[1].ProgramPID == 0x001f && pi[0].ProgramNumber == 1 && pi[0].ProgramPID == 0x0100))
                        {
                            bluray = true;
                        }
                    }
                    else if (null != pi && pi[0] != null && pi[0].ProgramNumber == 1)
                        pmtPid = pi[0].ProgramPID;
                }
                else if (bluray && ts.PID == 0x0100)
                {
                    if (pm == null)
                        pm = new PmtPacket(ts.GetData());
                    else if (pm.Complete == false)
                        pm.AddData(ts.Payload, 0, ts.Payload.Length);
                    if (pm.Complete)
                    {
                        sis = pm.ElementaryStreams;
                        dt = pm.DtcpInfo;
                        return;
                    }
                }
                else if (ts.PID == pmtPid)
                {
                    pm = new PmtPacket(ts.GetData());
                    sis = pm.ElementaryStreams;
                    dt = pm.DtcpInfo;
                }
                else if (streams.ContainsKey(ts.PID) == false && ts.HasPesHeader)
                {
                    byte[] payload = ts.Payload;
                    PesHeader ph = new PesHeader(ts.Payload);
                    PesPacket pes = new PesPacket(payload, 0, payload.Length, ts.PID);
                    if (ph.StreamId == Constants.PES_PRIVATE1)
                    {
                        byte[] audio = pes.GetPayload();
                        AC3Info ac3 = new AC3Info(audio, 0);
                        DtsInfo dts = new DtsInfo(audio, 0);
                        MlpInfo mlp = new MlpInfo(audio, 0);
                        if (ac3.Valid)
                        {
                            if (ac3.SyntaxType == Ac3SyntaxType.Standard || ac3.SyntaxType == Ac3SyntaxType.Alternative)
                            {
                                StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3, ts.PID);
                                streams.Add(ts.PID, si);
                            }
                            else if (ac3.SyntaxType == Ac3SyntaxType.Enhanced)
                            {
                                StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3_PLUS, ts.PID);
                                streams.Add(ts.PID, si);
                            }
                        }
                        else if (dts.Valid)
                        {
                            StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_DTS_HD, ts.PID);
                            streams.Add(ts.PID, si);
                        }
                        else if (mlp.Valid)
                        {
                            StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_AC3_TRUE_HD, ts.PID);
                            streams.Add(ts.PID, si);
                        }
                        else if ((pes.ExtendedId & 0xf8) == Constants.PES_PRIVATE_LPCM)
                        {
                            StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_LPCM, ts.PID);
                            streams.Add(ts.PID, si);
                        }
                    }
                    else if ((ph.StreamId & 0xe0) == Constants.PES_AUDIO_MPEG)
                    {
                        StreamInfo si = new StreamInfo(ElementaryStreamTypes.AUDIO_STREAM_MPEG2, ts.PID);
                        streams.Add(ts.PID, si);
                    }
                    else if ((ph.StreamId & 0xf0) == Constants.PES_VIDEO)
                    {
                        UInt32 format = pes.ExtendedType;
                        if ((format & 0xffff) == 0x1)
                        {
                        }
                        else if ((format & 0xffffff00) == 0x100)
                        {
                        }

                        H264Info h264 = new H264Info(payload, 0);
                        Mpeg2Info mpg2 = new Mpeg2Info(payload, 0);
                        if (h264.Valid)
                        {
                            StreamInfo si = new StreamInfo(ElementaryStreamTypes.VIDEO_STREAM_H264, ts.PID);
                            streams.Add(ts.PID, si);
                        }
                        else if (mpg2.Valid)
                        {
                            StreamInfo si = new StreamInfo(ElementaryStreamTypes.VIDEO_STREAM_MPEG2, ts.PID);
                            streams.Add(ts.PID, si);
                        }
                    }
                    else if (ph.StreamId == Constants.PES_VIDEO_VC1)
                    {
                        StreamInfo si = new StreamInfo(ElementaryStreamTypes.VIDEO_STREAM_VC1, ts.PID);
                        streams.Add(ts.PID, si);
                    }
                }
                if (sis != null)
                {
                    validPmt = true;
                    foreach (StreamInfo si in sis)
                    {
                        if (streams.ContainsKey(si.ElementaryPID) == false)
                        {
                            validPmt = false;
                            break;
                        }
                    }
                    if (validPmt)
                        return;
                }
                if (fs.Position > (Constants.DISK_BUFFER << 1))
                    break;
            }
            sis = new StreamInfo[streams.Values.Count];
            streams.Values.CopyTo(sis, 0);
        }