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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/audio/audio.h
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/audio/audio.h')
-rw-r--r--qemu/audio/audio.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/qemu/audio/audio.h b/qemu/audio/audio.h
new file mode 100644
index 000000000..e7ea39777
--- /dev/null
+++ b/qemu/audio/audio.h
@@ -0,0 +1,166 @@
+/*
+ * QEMU Audio subsystem header
+ *
+ * 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
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * 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"
+
+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
+#define AUDIO_HOST_ENDIANNESS 1
+#else
+#define AUDIO_HOST_ENDIANNESS 0
+#endif
+
+struct audsettings {
+ int freq;
+ int nchannels;
+ audfmt_e fmt;
+ int endianness;
+};
+
+typedef enum {
+ 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_help (void);
+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)
+{
+ uint8_t *d = p;
+ 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 (CaptureState *s, const char *path, int freq,
+ int bits, int nchannels);
+
+#endif /* audio.h */