Add ESDS box to parser.

[fabrebatalla18]

Can you add ESDS Box for audios to parser, please? This is an example, if you need more examples or full init file tell me.

      [stsd] size=12+156
        entry-count = 1
        [enca] size=8+144
          data_reference_index = 1
          channel_count = 2
          sample_size = 16
          sample_rate = 48000
          [esds] size=12+24
            [ESDescriptor] size=2+22
              es_id = 2
              stream_priority = 0
              [DecoderConfig] size=2+17
                stream_type = 5
                object_type = 64
                up_stream = 0
                buffer_size = 16777215
                max_bitrate = 96000
                avg_bitrate = 96000
                DecoderSpecificInfo = 11 90