---------------------------------------------------------------------------- -- Copyright (C) 2015-2016, AdaCore -- -- Redistribution and use in source and binary forms, with or without -- modification, are permitted provided that the following conditions are -- met: -- 1. Redistributions of source code must retain the above copyright -- notice, this list of conditions and the following disclaimer. -- 2. Redistributions in binary form must reproduce the above copyright -- notice, this list of conditions and the following disclaimer in -- the documentation and/or other materials provided with the -- distribution. -- 3. Neither the name of the copyright holder nor the names of its -- contributors may be used to endorse or promote products derived -- from this software without specific prior written permission. -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -- -- ----------------------------------------------------------------------------
type Audio_Buffer is array (Natural range <>) of Integer_16
with Component_Size => 16, Alignment => 2;
type Audio_Frequency is
(Audio_Freq_8kHz,
Audio_Freq_11kHz,
Audio_Freq_16kHz,
Audio_Freq_22kHz,
Audio_Freq_32kHz,
Audio_Freq_44kHz,
Audio_Freq_48kHz,
Audio_Freq_96kHz)
with Size => 32;
type Audio_Stream is limited interface;
type Audio_Volume is new Natural range 0 .. 100;
procedure Receive (This : in out Audio_Stream;
Data : out Audio_Buffer)
procedure Set_Frequency (This : in out Audio_Stream;
Frequency : Audio_Frequency)
procedure Transmit (This : in out Audio_Stream;
Data : Audio_Buffer)