/*
* 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
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+
#ifndef QEMU_AUDIO_H
#define QEMU_AUDIO_H
-#include "mixeng.h"
+#include "qemu/queue.h"
+#include "qapi/qapi-types-audio.h"
+
+typedef void (*audio_callback_fn) (void *opaque, int avail);
+
+#ifdef HOST_WORDS_BIGENDIAN
+#define AUDIO_HOST_ENDIANNESS 1
+#else
+#define AUDIO_HOST_ENDIANNESS 0
+#endif
+
+typedef struct audsettings {
+ int freq;
+ int nchannels;
+ AudioFormat fmt;
+ int endianness;
+} audsettings;
+
+audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo);
+int audioformat_bytes_per_sample(AudioFormat fmt);
+int audio_buffer_frames(AudiodevPerDirectionOptions *pdo,
+ audsettings *as, int def_usecs);
+int audio_buffer_samples(AudiodevPerDirectionOptions *pdo,
+ audsettings *as, int def_usecs);
+int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo,
+ audsettings *as, int def_usecs);
typedef enum {
- AUD_FMT_U8,
- AUD_FMT_S8,
- AUD_FMT_U16,
- AUD_FMT_S16
-} audfmt_e;
-
-typedef struct SWVoice SWVoice;
-
-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);
+ AUD_CNOTIFY_ENABLE,
+ AUD_CNOTIFY_DISABLE
+} audcnotification_e;
+
+struct audio_capture_ops {
+ void (*notify) (void *opaque, audcnotification_e cmd);
+ void (*capture) (void *opaque, void *buf, int size);
+ void (*destroy) (void *opaque);
+};
+
+struct capture_ops {
+ void (*info) (void *opaque);
+ void (*destroy) (void *opaque);
+};
+
+typedef struct CaptureState {
+ void *opaque;
+ struct capture_ops ops;
+ QLIST_ENTRY (CaptureState) entries;
+} CaptureState;
+
+typedef struct SWVoiceOut SWVoiceOut;
+typedef struct CaptureVoiceOut CaptureVoiceOut;
+typedef struct SWVoiceIn SWVoiceIn;
+
+typedef struct QEMUSoundCard {
+ char *name;
+ QLIST_ENTRY (QEMUSoundCard) entries;
+} QEMUSoundCard;
+
+typedef struct QEMUAudioTimeStamp {
+ uint64_t old_ts;
+} QEMUAudioTimeStamp;
+
+void AUD_vlog (const char *cap, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
+void AUD_log (const char *cap, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+
+void AUD_register_card (const char *name, QEMUSoundCard *card);
+void AUD_remove_card (QEMUSoundCard *card);
+CaptureVoiceOut *AUD_add_capture (
+ struct audsettings *as,
+ struct audio_capture_ops *ops,
+ void *opaque
+ );
+void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque);
+
+SWVoiceOut *AUD_open_out (
+ QEMUSoundCard *card,
+ SWVoiceOut *sw,
+ const char *name,
+ void *callback_opaque,
+ audio_callback_fn callback_fn,
+ struct audsettings *settings
+ );
+
+void AUD_close_out (QEMUSoundCard *card, 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_get_elapsed_usec_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts);
+
+void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol);
+void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol);
+
+SWVoiceIn *AUD_open_in (
+ QEMUSoundCard *card,
+ SWVoiceIn *sw,
+ const char *name,
+ void *callback_opaque,
+ audio_callback_fn callback_fn,
+ struct audsettings *settings
+ );
+
+void AUD_close_in (QEMUSoundCard *card, SWVoiceIn *sw);
+int AUD_read (SWVoiceIn *sw, void *pcm_buf, int size);
+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_get_elapsed_usec_in (SWVoiceIn *sw, QEMUAudioTimeStamp *ts);
static inline void *advance (void *p, int incr)
{
return (d + 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
+
+int wav_start_capture (CaptureState *s, const char *path, int freq,
+ int bits, int nchannels);
+
+bool audio_is_cleaning_up(void);
+void audio_cleanup(void);
+
+void audio_sample_to_uint64(void *samples, int pos,
+ uint64_t *left, uint64_t *right);
+void audio_sample_from_uint64(void *samples, int pos,
+ uint64_t left, uint64_t right);
+
+void audio_parse_option(const char *opt);
+void audio_init_audiodevs(void);
+void audio_legacy_help(void);
-#endif /* audio.h */
+#endif /* QEMU_AUDIO_H */
projects / mirror_qemu.git / blobdiff