39107956ab
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28984 a1c6a512-1295-4272-9138-f99709370657
48 lines
1.9 KiB
C
48 lines
1.9 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* PCM output buffer declarations
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*
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* Copyright (c) 2007 Michael Sevakis
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef PCM_OUTPUT_H
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#define PCM_OUTPUT_H
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#define PCM_HDR_SIZE (sizeof (struct pcm_frame_header))
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struct pcm_frame_header /* Header added to pcm data every time a decoded
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audio frame is sent out */
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{
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uint32_t size; /* size of this frame - including header */
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uint32_t time; /* timestamp for this frame in audio ticks */
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unsigned char data[]; /* open array of audio data */
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} ALIGNED_ATTR(4);
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bool pcm_output_init(void);
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void pcm_output_exit(void);
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void pcm_output_flush(void);
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void pcm_output_set_clock(uint32_t time);
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uint32_t pcm_output_get_clock(void);
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uint32_t pcm_output_get_ticks(uint32_t *start);
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void pcm_output_play_pause(bool play);
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void pcm_output_stop(void);
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void pcm_output_drain(void);
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unsigned char * pcm_output_get_buffer(ssize_t *size);
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bool pcm_output_commit_data(ssize_t size, uint32_t timestamp);
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bool pcm_output_empty(void);
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#endif /* PCM_OUTPUT_H */
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