44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
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/*
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* Copyright (C) 2010-2011 Apple Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#ifndef _SPEAKER_PROT_H_
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#define _SPEAKER_PROT_H_
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#include "debug_tap.h"
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#include "iop_au_interface.h"
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#include <platform.h>
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typedef void * loopback_process_t;
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/*
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* loopback process is an object that will process an input buffer in-
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* place, applying the passed Audio Unit to it.
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*
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* debug_taps can be added at specific tap points.
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*
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* It is assumed that the input number of samples to process matches
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* with the call to process.
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*
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*/
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// channel bitmask is to allow cases when audio is not packed.
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loopback_process_t create_loopback_process(audio_unit_t au, uint32_t frames_to_process, uint32_t channels_to_process, uint32_t sample_size, uint32_t channel_bitmask);
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void destroy_loopback_process(loopback_process_t loopback);
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void set_debug_tap(loopback_process_t loopback, debug_tap_t inputTap, debug_tap_t outputTap);
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void set_tap_point(loopback_process_t loopback, uint32_t index);
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// Assumes that input is as described when loopback created
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void process_data(loopback_process_t loopback, void *processBuffer);
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#endif // _SPEAKER_PROT_H_
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