Exemplo n.º 1
0
        /// <summary>
        /// Loads a SoundFont from a stream
        /// </summary>
        /// <param name="sfFile">stream</param>
        public SoundFont(Stream sfFile)
        {
            using(sfFile) // a bit ugly, done to get Win store to compile
            {
                RiffChunk riff = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
                if(riff.ChunkID == "RIFF")
                {
                    string formHeader = riff.ReadChunkID();
                    if(formHeader != "sfbk")
                    {
                        throw new InvalidDataException(String.Format("Not a SoundFont ({0})",formHeader));
                    }
                    RiffChunk list = riff.GetNextSubChunk();
                    if(list.ChunkID == "LIST")
                    {
                        //RiffChunk r = list.GetNextSubChunk();
                        info = new InfoChunk(list);

                        RiffChunk r = riff.GetNextSubChunk();
                        sampleData = new SampleDataChunk(r);

                        r = riff.GetNextSubChunk();
                        presetsChunk = new PresetsChunk(r);
                    }
                    else
                    {
                        throw new InvalidDataException(String.Format("Not info list found ({0})", list.ChunkID));
                    }
                }
                else
                {
                    throw new InvalidDataException("Not a RIFF file");
                }
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Loads a SoundFont from a stream
        /// </summary>
        /// <param name="sfFile">stream</param>
        public SoundFont(Stream sfFile)
        {
            using (sfFile) // a bit ugly, done to get Win store to compile
            {
                RiffChunk riff = RiffChunk.GetTopLevelChunk(new BinaryReader(sfFile));
                if (riff.ChunkID == "RIFF")
                {
                    string formHeader = riff.ReadChunkID();
                    if (formHeader != "sfbk")
                    {
                        throw new InvalidDataException(String.Format("Not a SoundFont ({0})", formHeader));
                    }
                    RiffChunk list = riff.GetNextSubChunk();
                    if (list.ChunkID == "LIST")
                    {
                        //RiffChunk r = list.GetNextSubChunk();
                        info = new InfoChunk(list);

                        RiffChunk r = riff.GetNextSubChunk();
                        sampleData = new SampleDataChunk(r);

                        r            = riff.GetNextSubChunk();
                        presetsChunk = new PresetsChunk(r);
                    }
                    else
                    {
                        throw new InvalidDataException(String.Format("Not info list found ({0})", list.ChunkID));
                    }
                }
                else
                {
                    throw new InvalidDataException("Not a RIFF file");
                }
            }
        }