7d00f97460
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11623 a1c6a512-1295-4272-9138-f99709370657
75 lines
2.7 KiB
C
75 lines
2.7 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_RECORD_H
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#define PCM_RECORD_H
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#define DMA_REC_ERROR_DMA ((size_t)-1)
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#ifdef HAVE_SPDIF_IN
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#define DMA_REC_ERROR_SPDIF ((size_t)-2)
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#endif
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/**
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* RAW pcm data recording
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* These calls are nescessary only when using the raw pcm apis directly.
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*/
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/* Initialize pcm recording interface */
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void pcm_init_recording(void);
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/* Uninitialze pcm recording interface */
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void pcm_close_recording(void);
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/* Start recording "raw" PCM data */
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void pcm_record_data(pcm_more_callback_type more_ready,
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unsigned char *start, size_t size);
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/* Stop tranferring data into supplied buffer */
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void pcm_stop_recording(void);
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void pcm_calculate_rec_peaks(int *left, int *right);
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/** General functions for high level codec recording **/
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/* pcm_rec_error_clear is deprecated for general use. audio_error_clear
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should be used */
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void pcm_rec_error_clear(void);
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/* pcm_rec_status is deprecated for general use. audio_status merges the
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results for consistency with the hardware codec version */
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unsigned long pcm_rec_status(void);
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void pcm_rec_init(void);
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int pcm_rec_current_bitrate(void);
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int pcm_rec_encoder_afmt(void); /* AFMT_* value, AFMT_UNKNOWN if none */
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int pcm_rec_rec_format(void); /* Format index or -1 otherwise */
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unsigned long pcm_rec_sample_rate(void);
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int pcm_get_num_unprocessed(void);
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/* audio.h contains audio_* recording functions */
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/** The following are for internal use between pcm_record.c and target-
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specific portion **/
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/* the registered callback function for when more data is available */
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extern volatile pcm_more_callback_type pcm_callback_more_ready;
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/* DMA transfer in is currently active */
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extern volatile bool pcm_recording;
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/* APIs implemented in the target-specific portion */
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extern void pcm_rec_dma_start(const void *addr, size_t size);
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extern void pcm_rec_dma_stop(void);
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#endif /* PCM_RECORD_H */
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