Ejemplo n.º 1
0
 /// <summary>
 /// creates a new riffchunk from current position checking that we're not
 /// at the end of this chunk first
 /// </summary>
 /// <returns>the new chunk</returns>
 public RiffChunk GetNextSubChunk()
 {
     if (riffFile.BaseStream.Position + 8 < dataOffset + chunkSize)
     {
         RiffChunk chunk = new RiffChunk(riffFile);
         chunk.ReadChunk();
         return(chunk);
     }
     //Console.WriteLine("DEBUG Failed to GetNextSubChunk because Position is {0}, dataOffset{1}, chunkSize {2}",riffFile.BaseStream.Position,dataOffset,chunkSize);
     return(null);
 }
Ejemplo n.º 2
0
		internal InfoChunk(RiffChunk chunk) 
		{
			bool ifilPresent = false;
			bool isngPresent = false;
			bool INAMPresent = false;
			if(chunk.ReadChunkID() != "INFO") 
			{
				throw new InvalidDataException("Not an INFO chunk");
			}
			//this.chunk = chunk;
			RiffChunk c;
			while((c = chunk.GetNextSubChunk()) != null) 
			{
				switch(c.ChunkID) 
				{
				case "ifil":
					ifilPresent = true;
					verSoundFont = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
					break;
				case "isng":
					isngPresent = true;
					waveTableSoundEngine = c.GetDataAsString();
					break;
				case "INAM":
					INAMPresent = true;
					bankName = c.GetDataAsString();
					break;
				case "irom":
					dataROM = c.GetDataAsString();
					break;
				case "iver":
					verROM = (SFVersion) c.GetDataAsStructure(new SFVersionBuilder());
					break;
				case "ICRD":
					creationDate = c.GetDataAsString();
					break;
				case "IENG":
					author = c.GetDataAsString();
					break;
				case "IPRD":
					targetProduct = c.GetDataAsString();
					break;
				case "ICOP":
					copyright = c.GetDataAsString();
					break;
				case "ICMT":
					comments = c.GetDataAsString();
					break;
				case "ISFT":
					tools = c.GetDataAsString();
					break;
				default:
					throw new InvalidDataException(String.Format("Unknown chunk type {0}",c.ChunkID));
				}
			}
			if(!ifilPresent) 
			{
                throw new InvalidDataException("Missing SoundFont version information");
			}
			if(!isngPresent) 
			{
                throw new InvalidDataException("Missing wavetable sound engine information");
			}
			if(!INAMPresent) 
			{
                throw new InvalidDataException("Missing SoundFont name information");
			}
		}
Ejemplo n.º 3
0
        internal PresetsChunk(RiffChunk chunk)
        {
            string header = chunk.ReadChunkID();

            if (header != "pdta")
            {
                throw new InvalidDataException(String.Format("Not a presets data chunk ({0})", header));
            }

            RiffChunk c;

            while ((c = chunk.GetNextSubChunk()) != null)
            {
                switch (c.ChunkID)
                {
                case "PHDR":
                case "phdr":
                    c.GetDataAsStructureArray(presetHeaders);
                    break;

                case "PBAG":
                case "pbag":
                    c.GetDataAsStructureArray(presetZones);
                    break;

                case "PMOD":
                case "pmod":
                    c.GetDataAsStructureArray(presetZoneModulators);
                    break;

                case "PGEN":
                case "pgen":
                    c.GetDataAsStructureArray(presetZoneGenerators);
                    break;

                case "INST":
                case "inst":
                    c.GetDataAsStructureArray(instruments);
                    break;

                case "IBAG":
                case "ibag":
                    c.GetDataAsStructureArray(instrumentZones);
                    break;

                case "IMOD":
                case "imod":
                    c.GetDataAsStructureArray(instrumentZoneModulators);
                    break;

                case "IGEN":
                case "igen":
                    c.GetDataAsStructureArray(instrumentZoneGenerators);
                    break;

                case "SHDR":
                case "shdr":
                    c.GetDataAsStructureArray(sampleHeaders);
                    break;

                default:
                    throw new InvalidDataException(String.Format("Unknown chunk type {0}", c.ChunkID));
                }
            }

            // now link things up
            instrumentZoneGenerators.Load(sampleHeaders.SampleHeaders);
            instrumentZones.Load(instrumentZoneModulators.Modulators, instrumentZoneGenerators.Generators);
            instruments.LoadZones(instrumentZones.Zones);
            presetZoneGenerators.Load(instruments.Instruments);
            presetZones.Load(presetZoneModulators.Modulators, presetZoneGenerators.Generators);
            presetHeaders.LoadZones(presetZones.Zones);
            sampleHeaders.RemoveEOS();
        }