audio: move capture API to own header

For modularity/clarity reasons, move the capture API in a specific
header.

The current audio/ header license is MIT.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

MAINTAINERS

@@ -2977,7 +2977,7 @@ X: audio/paaudio.c
 X: audio/sdlaudio.c
 X: audio/sndioaudio.c
 X: audio/spiceaudio.c
-F: include/qemu/audio.h
+F: include/qemu/audio*.h
 F: qapi/audio.json
 
 ALSA Audio backend

audio/audio_int.h

@@ -30,6 +30,7 @@
 /* #define RECIPROCAL */
 #endif
 #include "qemu/audio.h"
+#include "qemu/audio-capture.h"
 #include "mixeng.h"
 
 #ifdef CONFIG_GIO

include/qemu/audio-capture.h

@@ -0,0 +1,43 @@
+/*
+ * QEMU Audio subsystem
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#ifndef QEMU_AUDIO_CAPTURE_H
+#define QEMU_AUDIO_CAPTURE_H
+
+#include "audio.h"
+
+typedef struct CaptureVoiceOut CaptureVoiceOut;
+
+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, const 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;
+
+CaptureVoiceOut *AUD_add_capture(
+    AudioBackend *be,
+    struct audsettings *as,
+    struct audio_capture_ops *ops,
+    void *opaque
+    );
+void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque);
+
+#endif /* QEMU_AUDIO_CAPTURE_H */

include/qemu/audio.h

@@ -41,30 +41,7 @@ typedef struct audsettings {
     int endianness;
 } audsettings;
 
-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, const 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;
 
 struct AudioBackendClass {
@@ -79,14 +56,6 @@ typedef struct QEMUAudioTimeStamp {
 
 bool AUD_backend_check(AudioBackend **be, Error **errp);
 
-CaptureVoiceOut *AUD_add_capture(
-    AudioBackend *s,
-    struct audsettings *as,
-    struct audio_capture_ops *ops,
-    void *opaque
-    );
-void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque);
-
 SWVoiceOut *AUD_open_out (
     AudioBackend *be,
     SWVoiceOut *sw,

ui/vnc.h

@@ -31,7 +31,7 @@
 #include "qemu/thread.h"
 #include "ui/clipboard.h"
 #include "ui/console.h"
-#include "qemu/audio.h"
+#include "qemu/audio-capture.h"
 #include "qemu/bitmap.h"
 #include "crypto/tlssession.h"
 #include "qemu/buffer.h"