diff options
Diffstat (limited to 'audio/audio.h')
| -rw-r--r-- | audio/audio.h | 90 |
1 files changed, 71 insertions, 19 deletions
diff --git a/audio/audio.h b/audio/audio.h index 7520383a47..6dd2fd22e3 100644 --- a/audio/audio.h +++ b/audio/audio.h @@ -1,8 +1,8 @@ /* * QEMU Audio subsystem header - * - * Copyright (c) 2003-2004 Vassili Karpov (malc) - * + * + * Copyright (c) 2003-2005 Vassili Karpov (malc) + * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights @@ -24,7 +24,7 @@ #ifndef QEMU_AUDIO_H #define QEMU_AUDIO_H -#include "mixeng.h" +typedef void (*audio_callback_fn_t) (void *opaque, int avail); typedef enum { AUD_FMT_U8, @@ -33,22 +33,60 @@ typedef enum { AUD_FMT_S16 } audfmt_e; -typedef struct SWVoice SWVoice; +typedef struct SWVoiceOut SWVoiceOut; +typedef struct SWVoiceIn SWVoiceIn; + +typedef struct QEMUAudioTimeStamp { + uint64_t old_ts; +} QEMUAudioTimeStamp; + +void AUD_vlog (const char *cap, const char *fmt, va_list ap); +void AUD_log (const char *cap, const char *fmt, ...) +#ifdef __GNUC__ + __attribute__ ((__format__ (__printf__, 2, 3))) +#endif + ; -SWVoice * AUD_open (SWVoice *sw, const char *name, int freq, - int nchannels, audfmt_e fmt); -void AUD_init (void); -void AUD_log (const char *cap, const char *fmt, ...) - __attribute__ ((__format__ (__printf__, 2, 3)));; -void AUD_close (SWVoice *sw); -int AUD_write (SWVoice *sw, void *pcm_buf, int size); -void AUD_adjust (SWVoice *sw, int leftover); -void AUD_reset (SWVoice *sw); -int AUD_get_free (SWVoice *sw); -int AUD_get_buffer_size (SWVoice *sw); -void AUD_run (void); -void AUD_enable (SWVoice *sw, int on); -int AUD_calc_elapsed (SWVoice *sw); +void AUD_init (void); +void AUD_help (void); + +SWVoiceOut *AUD_open_out ( + SWVoiceOut *sw, + const char *name, + void *callback_opaque, + audio_callback_fn_t callback_fn, + int freq, + int nchannels, + audfmt_e fmt + ); +void AUD_close_out (SWVoiceOut *sw); +int AUD_write (SWVoiceOut *sw, void *pcm_buf, int size); +int AUD_get_buffer_size_out (SWVoiceOut *sw); +void AUD_set_active_out (SWVoiceOut *sw, int on); +int AUD_is_active_out (SWVoiceOut *sw); +void AUD_init_time_stamp_out (SWVoiceOut *sw, + QEMUAudioTimeStamp *ts); +uint64_t AUD_time_stamp_get_elapsed_usec_out (SWVoiceOut *sw, + QEMUAudioTimeStamp *ts); + +SWVoiceIn *AUD_open_in ( + SWVoiceIn *sw, + const char *name, + void *callback_opaque, + audio_callback_fn_t callback_fn, + int freq, + int nchannels, + audfmt_e fmt + ); +void AUD_close_in (SWVoiceIn *sw); +int AUD_read (SWVoiceIn *sw, void *pcm_buf, int size); +void AUD_adjust_in (SWVoiceIn *sw, int leftover); +void AUD_set_active_in (SWVoiceIn *sw, int on); +int AUD_is_active_in (SWVoiceIn *sw); +void AUD_init_time_stamp_in (SWVoiceIn *sw, + QEMUAudioTimeStamp *ts); +uint64_t AUD_time_stamp_get_elapsed_usec_in (SWVoiceIn *sw, + QEMUAudioTimeStamp *ts); static inline void *advance (void *p, int incr) { @@ -59,7 +97,21 @@ static inline void *advance (void *p, int incr) uint32_t popcount (uint32_t u); inline uint32_t lsbindex (uint32_t u); +#ifdef __GNUC__ +#define audio_MIN(a, b) ( __extension__ ({ \ + __typeof (a) ta = a; \ + __typeof (b) tb = b; \ + ((ta)>(tb)?(tb):(ta)); \ +})) + +#define audio_MAX(a, b) ( __extension__ ({ \ + __typeof (a) ta = a; \ + __typeof (b) tb = b; \ + ((ta)<(tb)?(tb):(ta)); \ +})) +#else #define audio_MIN(a, b) ((a)>(b)?(b):(a)) #define audio_MAX(a, b) ((a)<(b)?(b):(a)) +#endif #endif /* audio.h */ |