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Straighten out some audio path APIs and misc. audio stuff. Having recording is not a prerequisite to having input/output source selection which is probably most useful when adding a audio input features like FM to a new port without forcing recording to be implemented first.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13599 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-06-08 23:42:04 +00:00
parent a85793fc54
commit 2d48d0ffa6
22 changed files with 237 additions and 154 deletions
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8
firmware/export/spdif.h
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@ -20,6 +20,12 @@
#ifndef SPDIF_H
#define SPDIF_H
#ifdef HAVE_SPDIF_POWER
#define IF_SPDIF_POWER_(...) __VA_ARGS__
#else
#define IF_SPDIF_POWER_(...)
#endif
/* Initialize the S/PDIF driver */
void spdif_init(void);
/* Return the S/PDIF frequency in herz - unrounded */
@ -27,7 +33,7 @@ unsigned long spdif_measure_frequency(void);
#ifdef HAVE_SPDIF_OUT
/* Set the S/PDIF audio feed - Use AUDIO_SRC_* values -
will be off if not powered or !on */
void spdif_set_output_source(int source, bool on);
void spdif_set_output_source(int source IF_SPDIF_POWER_(, bool on));
/* Return the last set S/PDIF audio source - literally the last value passed
to spdif_set_monitor regardless of power state */
int spdif_get_output_source(bool *src_on);