6271b2b910
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6636 a1c6a512-1295-4272-9138-f99709370657
50 lines
1.8 KiB
C
50 lines
1.8 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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* Copyright (C) 2005 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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_PLAYBACK_H
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#define PCM_PLAYBACK_H
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#define PCMBUF_SIZE (1*1024*1024)
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void pcm_init(void);
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void pcm_set_frequency(unsigned int frequency);
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/* This is for playing "raw" PCM data */
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void pcm_play_data(const unsigned char* start, int size,
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void (*get_more)(unsigned char** start, long* size));
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void pcm_play_stop(void);
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void pcm_play_pause(bool play);
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bool pcm_is_playing(void);
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void pcm_set_volume(int volume);
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/* These functions are for playing chained buffers of PCM data */
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void pcm_play_init(void);
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void pcm_play_start(void);
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bool pcm_play_add_chunk(void *addr, int size, void (*callback)(void));
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int pcm_play_num_used_buffers(void);
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void pcm_play_set_watermark(int numbytes, void (*callback)(int bytes_left));
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void pcm_set_boost_mode(bool state);
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bool pcm_is_lowdata(void);
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void pcm_crossfade_start(void);
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unsigned int audiobuffer_get_latency(void);
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bool audiobuffer_insert(char *buf, size_t length);
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void pcm_crossfade_enable(bool on_off);
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#endif
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