rockbox/firmware/export/pcm_record.h

63 lines
2.2 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Linus Nielsen Feltzing
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef PCM_RECORD_H
#define PCM_RECORD_H
#define DMA_REC_ERROR_DMA ((size_t)-1)
#ifdef HAVE_SPDIF_IN
#define DMA_REC_ERROR_SPDIF ((size_t)-2)
#endif
/* Use AUDIO_SRC_* enumeration values */
void pcm_set_monitor(int monitor);
void pcm_set_rec_source(int source);
/**
* RAW pcm data recording
* These calls are nescessary only when using the raw pcm apis directly.
*/
/* Initialize pcm recording interface */
void pcm_init_recording(void);
/* Uninitialze pcm recording interface */
void pcm_close_recording(void);
/* Start recording "raw" PCM data */
void pcm_record_data(pcm_more_callback_type more_ready,
unsigned char *start, size_t size);
/* Stop tranferring data into supplied buffer */
void pcm_stop_recording(void);
void pcm_calculate_rec_peaks(int *left, int *right);
/** General functions for high level codec recording **/
void pcm_rec_error_clear(void);
unsigned long pcm_rec_status(void);
void pcm_rec_init(void);
void pcm_rec_mux(int source);
int pcm_rec_current_bitrate(void);
int pcm_rec_encoder_afmt(void); /* AFMT_* value, AFMT_UNKNOWN if none */
int pcm_rec_rec_format(void); /* Format index or -1 otherwise */
unsigned long pcm_rec_sample_rate(void);
int pcm_get_num_unprocessed(void);
/* audio.h contains audio_* recording functions */
#endif /* PCM_RECORD_H */