audio/pw: add more error reporting

[mirror_qemu.git] / audio / audio.h

diff --git a/audio/audio.h b/audio/audio.h
index a70fda97e3232be0e107527a0e36ffd7cd170c87..01bdc567fb1731b1b791d45f6acb07a66ccb89e3 100644 (file)
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -21,35 +21,38 @@
  * 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 "config-host.h"
-#include "qemu-queue.h"
+#include "qemu/queue.h"
+#include "qapi/qapi-types-audio.h"
+#include "hw/qdev-properties.h"
+#include "hw/qdev-properties-system.h"
 
 typedef void (*audio_callback_fn) (void *opaque, int avail);
 
-typedef enum {
-    AUD_FMT_U8,
-    AUD_FMT_S8,
-    AUD_FMT_U16,
-    AUD_FMT_S16,
-    AUD_FMT_U32,
-    AUD_FMT_S32
-} audfmt_e;
-
-#ifdef HOST_WORDS_BIGENDIAN
+#if HOST_BIG_ENDIAN
 #define AUDIO_HOST_ENDIANNESS 1
 #else
 #define AUDIO_HOST_ENDIANNESS 0
 #endif
 
-struct audsettings {
+typedef struct audsettings {
     int freq;
     int nchannels;
-    audfmt_e fmt;
+    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_CNOTIFY_ENABLE,
@@ -58,7 +61,7 @@ typedef enum {
 
 struct audio_capture_ops {
     void (*notify) (void *opaque, audcnotification_e cmd);
-    void (*capture) (void *opaque, void *buf, int size);
+    void (*capture) (void *opaque, const void *buf, int size);
     void (*destroy) (void *opaque);
 };
 
@@ -77,8 +80,10 @@ typedef struct SWVoiceOut SWVoiceOut;
 typedef struct CaptureVoiceOut CaptureVoiceOut;
 typedef struct SWVoiceIn SWVoiceIn;
 
+typedef struct AudioState AudioState;
 typedef struct QEMUSoundCard {
     char *name;
+    AudioState *state;
     QLIST_ENTRY (QEMUSoundCard) entries;
 } QEMUSoundCard;
 
@@ -86,13 +91,13 @@ 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_vlog (const char *cap, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0);
+void AUD_log (const char *cap, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
-void AUD_help (void);
 void AUD_register_card (const char *name, QEMUSoundCard *card);
 void AUD_remove_card (QEMUSoundCard *card);
-CaptureVoiceOut *AUD_add_capture (
+CaptureVoiceOut *AUD_add_capture(
+    AudioState *s,
     struct audsettings *as,
     struct audio_capture_ops *ops,
     void *opaque
@@ -109,7 +114,7 @@ SWVoiceOut *AUD_open_out (
     );
 
 void AUD_close_out (QEMUSoundCard *card, SWVoiceOut *sw);
-int  AUD_write (SWVoiceOut *sw, void *pcm_buf, int size);
+size_t AUD_write (SWVoiceOut *sw, void *pcm_buf, size_t 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);
@@ -120,6 +125,16 @@ 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);
 
+#define AUDIO_MAX_CHANNELS 16
+typedef struct Volume {
+    bool mute;
+    int channels;
+    uint8_t vol[AUDIO_MAX_CHANNELS];
+} Volume;
+
+void audio_set_volume_out(SWVoiceOut *sw, Volume *vol);
+void audio_set_volume_in(SWVoiceIn *sw, Volume *vol);
+
 SWVoiceIn *AUD_open_in (
     QEMUSoundCard *card,
     SWVoiceIn *sw,
@@ -130,7 +145,7 @@ SWVoiceIn *AUD_open_in (
     );
 
 void AUD_close_in (QEMUSoundCard *card, SWVoiceIn *sw);
-int  AUD_read (SWVoiceIn *sw, void *pcm_buf, int size);
+size_t AUD_read (SWVoiceIn *sw, void *pcm_buf, size_t size);
 void AUD_set_active_in (SWVoiceIn *sw, int on);
 int  AUD_is_active_in (SWVoiceIn *sw);
 
@@ -143,24 +158,26 @@ static inline void *advance (void *p, int incr)
     return (d + incr);
 }
 
-#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(AudioState *state, CaptureState *s, const char *path,
+                      int freq, int bits, int nchannels);
+
+void audio_cleanup(void);
+
+void audio_sample_to_uint64(const 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_define(Audiodev *audio);
+void audio_parse_option(const char *opt);
+bool audio_init_audiodevs(void);
+void audio_help(void);
+void audio_legacy_help(void);
+
+AudioState *audio_state_by_name(const char *name);
+const char *audio_get_id(QEMUSoundCard *card);
 
-int wav_start_capture (CaptureState *s, const char *path, int freq,
-                       int bits, int nchannels);
+#define DEFINE_AUDIO_PROPERTIES(_s, _f)         \
+    DEFINE_PROP_AUDIODEV("audiodev", _s, _f)
 
-#endif  /* audio.h */
+#endif /* QEMU_AUDIO_H */