示例#1
0
        public Mp4MdhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MDHD, 0L, stream)
        {
            if (base.Version == 0)
            {
                this.CreationTime     = stream.ReadUInt32();
                this.ModificationTime = stream.ReadUInt32();
                this.TimeScale        = stream.ReadUInt32();
                this.Duration         = stream.ReadUInt32();
            }
            else
            {
                this.CreationTime     = stream.ReadUInt64();
                this.ModificationTime = stream.ReadUInt64();
                this.TimeScale        = stream.ReadUInt32();
                this.Duration         = stream.ReadUInt64();
            }
            byte[] buffer = new byte[2];
            stream.Read(buffer, 2);
            byte num  = (byte)(((byte)(buffer[0] >> 2)) & 0x1f);
            byte num2 = (byte)((((byte)(buffer[0] & 3)) << 3) | ((buffer[1] >> 5) & 7));
            byte num3 = (byte)(buffer[1] & 0x1f);

            if (((num != 0) && (num2 != 0)) && (num3 != 0))
            {
                char[] chArray = new char[] { (char)(num + 0x60), (char)(num2 + 0x60), (char)(num3 + 0x60) };
                this.Language = new string(chArray);
            }
            else
            {
                this.Language = "```";
            }
        }
示例#2
0
        public Mp4ElstBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.ELST, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            this.Entries = new List <Mp4ElstEntry>();
            for (uint i = 0; i < num; i++)
            {
                short num3;
                if (base.Version == 0)
                {
                    uint num4 = stream.ReadUInt32();
                    int  num5 = stream.ReadInt32();
                    num3 = stream.ReadInt16();
                    stream.ReadInt16();
                    this.Entries.Add(new Mp4ElstEntry((ulong)num4, (long)num5, num3));
                }
                else
                {
                    ulong segmentDuration = stream.ReadUInt64();
                    long  mediaTime       = stream.ReadInt64();
                    num3 = stream.ReadInt16();
                    stream.ReadInt16();
                    this.Entries.Add(new Mp4ElstEntry(segmentDuration, mediaTime, num3));
                }
            }
        }
示例#3
0
 public Mp48bdlBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.LDB8)
 {
     this.Encoding        = stream.ReadUInt32();
     this.EncodingVersion = stream.ReadUInt32();
     this.BundleData      = new byte[(size - 8) - 8];
     stream.Read(this.BundleData, this.BundleData.Length);
 }
示例#4
0
        public Mp4HdlrBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.HDLR, 0L, stream)
        {
            this.Reserved    = new uint[3];
            this.PreDefined  = stream.ReadUInt32();
            this.HandlerType = stream.ReadUInt32();
            this.Reserved[0] = stream.ReadUInt32();
            this.Reserved[1] = stream.ReadUInt32();
            this.Reserved[2] = stream.ReadUInt32();
            int count = ((int)size) - 0x1c;

            if (count > 0)
            {
                byte[] buffer = new byte[count];
                stream.Read(buffer, count);
                if (buffer[0] == (count - 1))
                {
                    this.Name = Encoding.UTF8.GetString(buffer, 1, buffer.Length - 1);
                }
                else
                {
                    this.Name = Encoding.UTF8.GetString(buffer);
                    int index = this.Name.IndexOf('\0');
                    if (index != -1)
                    {
                        this.Name = this.Name.Substring(0, index);
                    }
                }
            }
            else
            {
                this.Name = string.Empty;
            }
        }
示例#5
0
 public Mp4TkhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TKHD, 0L, stream)
 {
     this.Reserved2 = new byte[8];
     this.Matrix    = new uint[9];
     if (base.Version == 0)
     {
         this.CreationTime     = stream.ReadUInt32();
         this.ModificationTime = stream.ReadUInt32();
         this.TrackId          = stream.ReadUInt32();
         this.Reserved1        = stream.ReadUInt32();
         this.Duration         = stream.ReadUInt32();
     }
     else
     {
         this.CreationTime     = stream.ReadUInt64();
         this.ModificationTime = stream.ReadUInt64();
         this.TrackId          = stream.ReadUInt32();
         this.Reserved1        = stream.ReadUInt32();
         this.Duration         = stream.ReadUInt64();
     }
     stream.Read(this.Reserved2, 8);
     this.Layer          = stream.ReadUInt16();
     this.AlternateGroup = stream.ReadUInt16();
     this.Volume         = stream.ReadUInt16();
     this.Reserved3      = stream.ReadUInt16();
     for (int i = 0; i < 9; i++)
     {
         this.Matrix[i] = stream.ReadUInt32();
     }
     this.Width  = stream.ReadUInt32();
     this.Height = stream.ReadUInt32();
 }
示例#6
0
 public Mp4TrexBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TREX, 0L, stream)
 {
     this.TrackId = stream.ReadUInt32();
     this.DefaultSampleDescriptionIndex = stream.ReadUInt32();
     this.DefaultSampleDuration         = stream.ReadUInt32();
     this.DefaultSampleSize             = stream.ReadUInt32();
     this.DefaultSampleFlags            = stream.ReadUInt32();
 }
示例#7
0
 public Mp4HmhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.HMHD, 0L, stream)
 {
     this.MaxPduSize = stream.ReadUInt16();
     this.AvgPduSize = stream.ReadUInt16();
     this.MaxBitrate = stream.ReadUInt32();
     this.AvgBitrate = stream.ReadUInt32();
     this.Reserved   = stream.ReadUInt32();
 }
示例#8
0
        public Mp4StssBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STSS, 0L, stream)
        {
            this.lookupCache = 0;
            uint num = stream.ReadUInt32();

            this.Entries = new List <uint>((int)num);
            for (int i = 0; i < num; i++)
            {
                this.Entries.Add(stream.ReadUInt32());
            }
        }
示例#9
0
        public Mp4FtypBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.FTYP)
        {
            this.MajorBrand   = stream.ReadUInt32();
            this.MinorVersion = stream.ReadUInt32();
            int capacity = (int)((size - 0x10) / 4);

            this.CompatibleBrands = new List <uint>(capacity);
            for (int i = 0; i < capacity; i++)
            {
                this.CompatibleBrands.Add(stream.ReadUInt32());
            }
        }
示例#10
0
        public Mp4SttsBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STTS, 0L, stream)
        {
            this.lookupCache = new LookupCache();
            uint num = stream.ReadUInt32();

            this.Entries = new List <Mp4SttsEntry>((int)num);
            for (int i = 0; i < num; i++)
            {
                uint sampleCount = stream.ReadUInt32();
                uint sampleDelta = stream.ReadUInt32();
                this.Entries.Add(new Mp4SttsEntry(sampleCount, sampleDelta));
            }
        }
示例#11
0
        public Mp4PdinBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.PDIN, stream)
        {
            int capacity = ((int)size) - this.HeaderSize;

            this.Entries = new List <Mp4PdinEntry>(capacity);
            for (int i = 0; i < capacity; i++)
            {
                Mp4PdinEntry item = new Mp4PdinEntry {
                    Rate         = stream.ReadUInt32(),
                    InitialDelay = stream.ReadUInt32()
                };
                this.Entries.Add(item);
            }
        }
示例#12
0
 public Mp4MvhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MVHD, 0L, stream)
 {
     this.Reserved1  = new byte[2];
     this.Reserved2  = new byte[8];
     this.Matrix     = new uint[9];
     this.Predefined = new byte[0x18];
     if (base.Version == 0)
     {
         this.CreationTime     = stream.ReadUInt32();
         this.ModificationTime = stream.ReadUInt32();
         this.TimeScale        = stream.ReadUInt32();
         this.Duration         = stream.ReadUInt32();
     }
     else
     {
         this.CreationTime     = stream.ReadUInt64();
         this.ModificationTime = stream.ReadUInt64();
         this.TimeScale        = stream.ReadUInt32();
         this.Duration         = stream.ReadUInt64();
     }
     this.Rate   = stream.ReadUInt32();
     this.Volume = stream.ReadUInt16();
     stream.Read(this.Reserved1, this.Reserved1.Length);
     stream.Read(this.Reserved2, this.Reserved2.Length);
     for (int i = 0; i < 9; i++)
     {
         this.Matrix[i] = stream.ReadUInt32();
     }
     stream.Read(this.Predefined, this.Predefined.Length);
     this.NextTrackId = stream.ReadUInt32();
 }
示例#13
0
        public Mp4FullBox(uint size, uint type, ulong largeSize, Mp4Stream stream) : base(size, type, largeSize)
        {
            uint num = stream.ReadUInt32();

            this.Version = (num >> 0x18) & 0xff;
            this.Flags   = num & 0xffffff;
        }
示例#14
0
        public Mp4StscBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STSC, 0L, stream)
        {
            uint num  = 1;
            uint num2 = stream.ReadUInt32();

            this.Entries = new List <Mp4StscEntry>((int)num2);
            byte[] buffer = new byte[num2 * 12];
            stream.Read(buffer, (int)(num2 * 12));
            for (int i = 0; i < num2; i++)
            {
                uint num4 = Mp4Util.BytesToUInt32BE(buffer, i * 12);
                uint num5 = Mp4Util.BytesToUInt32BE(buffer, (i * 12) + 4);
                uint num6 = Mp4Util.BytesToUInt32BE(buffer, (i * 12) + 8);
                if (i > 0)
                {
                    int num7 = i - 1;
                    this.Entries[num7].ChunkCount = num4 - this.Entries[num7].FirstChunk;
                    num += this.Entries[num7].ChunkCount * this.Entries[num7].SamplesPerChunk;
                }
                this.Entries.Add(new Mp4StscEntry());
                this.Entries[i].ChunkCount             = 0;
                this.Entries[i].FirstChunk             = num4;
                this.Entries[i].FirstSample            = num;
                this.Entries[i].SamplesPerChunk        = num5;
                this.Entries[i].SampleDescriptionIndex = num6;
            }
        }
示例#15
0
 public override void ReadFields(Mp4Stream stream)
 {
     base.ReadFields(stream);
     this.HintTrackVersion         = stream.ReadUInt16();
     this.HighestCompatibleVersion = stream.ReadUInt16();
     this.MaxPacketSize            = stream.ReadUInt32();
 }
示例#16
0
        public Mp4TrunBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TRUN, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            if ((base.Flags & 1) != 0)
            {
                this.DataOffset = (int)stream.ReadUInt32();
            }
            if ((base.Flags & 4) != 0)
            {
                this.FirstSampleFlags = stream.ReadUInt32();
            }
            this.Entries = new List <Mp4TrunEntry>((int)num);
            for (int i = 0; i < num; i++)
            {
                this.Entries.Add(new Mp4TrunEntry());
                if ((base.Flags & 0x100) != 0)
                {
                    this.Entries[i].SampleDuration = stream.ReadUInt32();
                }
                if ((base.Flags & 0x200) != 0)
                {
                    this.Entries[i].SampleSize = stream.ReadUInt32();
                }
                if ((base.Flags & 0x400) != 0)
                {
                    this.Entries[i].SampleFlags = stream.ReadUInt32();
                }
                if ((base.Flags & 0x800) != 0)
                {
                    this.Entries[i].SampleCompositionTimeOffset = stream.ReadUInt32();
                }
            }
        }
示例#17
0
 public Mp4MehdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MEHD, 0L, stream)
 {
     if (base.Version == 1)
     {
         this.FragmentDuration = stream.ReadUInt64();
     }
     else
     {
         this.FragmentDuration = stream.ReadUInt32();
     }
 }
示例#18
0
        public Mp4StszBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STSZ, 0L, stream)
        {
            this.SampleSize = stream.ReadUInt32();
            uint num = stream.ReadUInt32();

            if (this.SampleSize == 0)
            {
                this.Entries = new List <uint>((int)num);
                byte[] buffer = new byte[num * 4];
                stream.Read(buffer, (int)(num * 4));
                for (uint i = 0; i < num; i++)
                {
                    this.Entries.Add(Mp4Util.BytesToUInt32BE(buffer, (int)(i * 4)));
                }
            }
            else
            {
                this.Entries = new List <uint>();
            }
        }
示例#19
0
        public Mp4TrefTypeBox(uint type, uint size, Mp4Stream stream) : base(size, type)
        {
            int capacity = ((int)size) - this.HeaderSize;

            this.TrackIds = new List <uint>(capacity);
            for (int i = 0; i < capacity; i++)
            {
                uint item = stream.ReadUInt32();
                this.TrackIds.Add(item);
            }
        }
示例#20
0
        public Mp4RtpBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.RTP_, 0L)
        {
            this.DescriptionFormat = stream.ReadUInt32();
            int count = ((int)size) - 12;

            if (count > 0)
            {
                byte[] buffer = new byte[count];
                stream.Read(buffer, count);
                this.Text = Encoding.ASCII.GetString(buffer);
            }
        }
示例#21
0
        public override void ReadFields(Mp4Stream stream)
        {
            base.ReadFields(stream);
            this.Predefined1 = stream.ReadUInt16();
            this.Reserved2   = stream.ReadUInt16();
            stream.Read(this.Predefined2, this.Predefined2.Length);
            this.Width           = stream.ReadUInt16();
            this.Height          = stream.ReadUInt16();
            this.HorizResolution = stream.ReadUInt32();
            this.VertResolution  = stream.ReadUInt32();
            this.Reserved3       = stream.ReadUInt32();
            this.FrameCount      = stream.ReadUInt16();
            byte[] buffer = new byte[0x20];
            stream.Read(buffer, 0x20);
            int count = buffer[0];

            if (count < 0x20)
            {
                this.CompressorName = Encoding.ASCII.GetString(buffer, 1, count);
            }
            this.Depth       = stream.ReadUInt16();
            this.Predefined3 = stream.ReadUInt16();
        }
示例#22
0
        public Mp4Co64Box(uint size, Mp4Stream stream) : base(size, Mp4BoxType.CO64, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            if (num > (((size - 12) - 4) / 8))
            {
                num = ((size - 12) - 4) / 8;
            }
            this.Entries = new List <ulong>((int)num);
            for (int i = 0; i < num; i++)
            {
                this.Entries.Add(stream.ReadUInt64());
            }
        }
示例#23
0
        public Mp4DecoderConfigDescriptor(Mp4Stream stream, uint headerSize, uint payloadSize) : base(Mp4DescriptorTag.DECODER_CONFIG, headerSize, payloadSize)
        {
            Mp4Descriptor descriptor;
            long          position = stream.Position;

            this.ObjectTypeIndication = (Mp4ObjectTypeIndication)stream.ReadUInt08();
            byte num2 = stream.ReadUInt08();

            this.StreamType     = (byte)((num2 >> 2) & 0x3f);
            this.UpStream       = (num2 & 2) != 0;
            this.BufferSize     = stream.ReadUInt24();
            this.MaxBitrate     = stream.ReadUInt32();
            this.AverageBitrate = stream.ReadUInt32();
            long offset = stream.Position;

            this.SubDescriptors = new List <Mp4Descriptor>();
            Mp4DescriptorFactory factory = new Mp4DescriptorFactory();
            Mp4SubStream         stream2 = new Mp4SubStream(stream, offset, (long)(payloadSize - ((uint)(offset - position))));

            while ((descriptor = factory.Read(stream2)) != null)
            {
                this.SubDescriptors.Add(descriptor);
            }
        }
示例#24
0
 public Mp4TfhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TFHD, 0L, stream)
 {
     this.TrackId = stream.ReadUInt32();
     if ((base.Flags & 1) != 0)
     {
         this.BaseDataOffset = stream.ReadUInt64();
     }
     if ((base.Flags & 2) != 0)
     {
         this.SampleDescriptionIndex = stream.ReadUInt32();
     }
     if ((base.Flags & 8) != 0)
     {
         this.DefaultSampleDuration = stream.ReadUInt32();
     }
     if ((base.Flags & 0x10) != 0)
     {
         this.DefaultSampleSize = stream.ReadUInt32();
     }
     if ((base.Flags & 0x20) != 0)
     {
         this.DefaultSampleFlags = stream.ReadUInt32();
     }
 }
示例#25
0
        public Mp4StcoBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STCO, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            if (num > (((size - 12) - 4) / 4))
            {
                num = ((size - 12) - 4) / 4;
            }
            this.Entries = new List <uint>((int)num);
            byte[] buffer = new byte[num * 4];
            stream.Read(buffer, (int)(num * 4));
            for (int i = 0; i < num; i++)
            {
                this.Entries.Add(Mp4Util.BytesToUInt32BE(buffer, i * 4));
            }
        }
示例#26
0
        public Mp4DrefBox(uint size, Mp4Stream stream, Mp4BoxFactory factory) : base(size, Mp4BoxType.DREF, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            this.Entries = new List <Mp4Box>((int)num);
            uint num2           = num;
            long bytesAvailable = (size - 12) - 4;

            while (num2-- > 0)
            {
                Mp4Box item = null;
                while ((item = factory.Read(stream, ref bytesAvailable)) != null)
                {
                    this.Entries.Add(item);
                }
            }
        }
示例#27
0
        public Mp4StsdBox(uint size, Mp4Stream stream, Mp4BoxFactory factory) : base(size, Mp4BoxType.STSD, 0L, stream)
        {
            uint num = stream.ReadUInt32();

            factory.PushContext(base.Type);
            long bytesAvailable = (size - 12) - 4;

            this.Entries = new List <Mp4Box>((int)num);
            for (int i = 0; i < num; i++)
            {
                Mp4Box item = factory.Read(stream, ref bytesAvailable);
                if (item != null)
                {
                    this.Entries.Add(item);
                }
            }
            factory.PopContext();
        }
示例#28
0
        public Mp4CttsBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.CTTS, 0L, stream)
        {
            this.lookupCache = new LookupCache();
            uint num = stream.ReadUInt32();

            this.Entries = new List <Mp4CttsEntry>((int)num);
            byte[] buffer = new byte[num * 8];
            stream.Read(buffer, (int)(num * 8));
            bool flag = false;
            int  num2 = 0;

            for (int i = 0; i < num; i++)
            {
                this.Entries.Add(new Mp4CttsEntry());
                this.Entries[i].SampleCount = Mp4Util.BytesToUInt32BE(buffer, i * 8);
                uint num4 = Mp4Util.BytesToUInt32BE(buffer, (i * 8) + 4);
                if ((num4 & 0x80000000) != 0)
                {
                    flag = true;
                    int num5 = (int)num4;
                    if (num5 < num2)
                    {
                        num2 = num5;
                    }
                }
                this.Entries[i].SampleOffset = num4;
            }
            if (flag)
            {
                for (int j = 0; j < num; j++)
                {
                    Mp4CttsEntry local1 = this.Entries[j];
                    local1.SampleOffset -= (uint)num2;
                }
            }
        }
示例#29
0
 public override void ReadFields(Mp4Stream stream)
 {
     base.ReadFields(stream);
     this.QtVersion       = stream.ReadUInt16();
     this.QtRevision      = stream.ReadUInt16();
     this.QtVendor        = stream.ReadUInt32();
     this.ChannelCount    = stream.ReadUInt16();
     this.SampleSize      = stream.ReadUInt16();
     this.QtCompressionId = stream.ReadUInt16();
     this.QtPacketSize    = stream.ReadUInt16();
     this.SampleRate      = stream.ReadUInt32();
     if (this.QtVersion == 1)
     {
         this.QtV1SamplesPerPacket = stream.ReadUInt32();
         this.QtV1BytesPerPacket   = stream.ReadUInt32();
         this.QtV1BytesPerFrame    = stream.ReadUInt32();
         this.QtV1BytesPerSample   = stream.ReadUInt32();
     }
     else if (this.QtVersion == 2)
     {
         uint num2;
         uint num3;
         this.QtV2StructSize               = stream.ReadUInt32();
         this.QtV2SampleRate64             = stream.ReadDouble();
         this.QtV2ChannelCount             = stream.ReadUInt32();
         this.QtV2Reserved                 = stream.ReadUInt32();
         this.QtV2BitsPerChannel           = stream.ReadUInt32();
         this.QtV2FormatSpecificFlags      = stream.ReadUInt32();
         this.QtV2BytesPerAudioPacket      = stream.ReadUInt32();
         this.QtV2LPCMFramesPerAudioPacket = stream.ReadUInt32();
         if (this.QtV2StructSize > 0x48)
         {
             uint num = this.QtV2StructSize - 0x48;
             this.QtV2Extension = new byte[num];
             stream.Read(this.QtV2Extension, (int)num);
         }
         this.QtV1BytesPerSample   = num2 = 0;
         this.QtV1BytesPerFrame    = num3 = num2;
         this.QtV1SamplesPerPacket = this.QtV1BytesPerPacket = num3;
     }
     else
     {
         this.QtV1SamplesPerPacket         = 0;
         this.QtV1BytesPerPacket           = 0;
         this.QtV1BytesPerFrame            = 0;
         this.QtV1BytesPerSample           = 0;
         this.QtV2StructSize               = 0;
         this.QtV2SampleRate64             = 0.0;
         this.QtV2ChannelCount             = 0;
         this.QtV2Reserved                 = 0;
         this.QtV2BitsPerChannel           = 0;
         this.QtV2FormatSpecificFlags      = 0;
         this.QtV2BytesPerAudioPacket      = 0;
         this.QtV2LPCMFramesPerAudioPacket = 0;
     }
 }
示例#30
0
 public Mp4MfhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MFHD, 0L, stream)
 {
     this.SequenceNumber = stream.ReadUInt32();
 }