8867d00141
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12618 a1c6a512-1295-4272-9138-f99709370657
64 lines
2.3 KiB
C
64 lines
2.3 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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#include <sys/types.h>
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/* Typedef for registered callback (play and record) */
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typedef void (*pcm_more_callback_type)(unsigned char **start,
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size_t *size);
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typedef int (*pcm_more_callback_type2)(int status);
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void pcm_init(void);
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/* set the pcm frequency - use values in hw_sampr_list
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* use -1 for the default frequency
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*/
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void pcm_set_frequency(unsigned int frequency);
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/* apply settings to hardware immediately */
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void pcm_apply_settings(void);
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/* This is for playing "raw" PCM data */
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void pcm_play_data(pcm_more_callback_type get_more,
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unsigned char* start, size_t size);
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void pcm_calculate_peaks(int *left, int *right);
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size_t pcm_get_bytes_waiting(void);
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void pcm_play_stop(void);
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void pcm_mute(bool mute);
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void pcm_play_pause(bool play);
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bool pcm_is_paused(void);
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bool pcm_is_playing(void);
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/** The following are for internal use between pcm_playback.c and target-
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specific portion **/
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/* the registered callback function to ask for more mp3 data */
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extern volatile pcm_more_callback_type pcm_callback_for_more;
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extern volatile bool pcm_playing;
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extern volatile bool pcm_paused;
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extern void pcm_play_dma_start(const void *addr, size_t size);
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extern void pcm_play_dma_stop(void);
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extern void pcm_play_pause_pause(void);
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extern void pcm_play_pause_unpause(void);
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#endif /* PCM_PLAYBACK_H */
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