audio/replay: fix type punning

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

audio/audio.h

@@ -171,9 +171,11 @@ int wav_start_capture(AudioState *state, CaptureState *s, const char *path,
 
 void audio_cleanup(void);
 
-void audio_sample_to_uint64(const void *samples, int pos,
+typedef struct st_sample st_sample;
+
+void audio_sample_to_uint64(const st_sample *sample, int pos,
                             uint64_t *left, uint64_t *right);
-void audio_sample_from_uint64(void *samples, int pos,
+void audio_sample_from_uint64(st_sample *sample, int pos,
                             uint64_t left, uint64_t right);
 
 void audio_add_audiodev(Audiodev *audio);

audio/mixeng.c

@@ -404,7 +404,7 @@ f_sample *mixeng_clip_float[2][2] = {
     }
 };
 
-void audio_sample_to_uint64(const void *samples, int pos,
+void audio_sample_to_uint64(const st_sample *sample, int pos,
                             uint64_t *left, uint64_t *right)
 {
 #ifdef FLOAT_MIXENG
@@ -412,14 +412,13 @@ void audio_sample_to_uint64(const void *samples, int pos,
         "Coreaudio and floating point samples are not supported by replay yet");
     abort();
 #else
-    const struct st_sample *sample = samples;
     sample += pos;
     *left = sample->l;
     *right = sample->r;
 #endif
 }
 
-void audio_sample_from_uint64(void *samples, int pos,
+void audio_sample_from_uint64(st_sample *sample, int pos,
                             uint64_t left, uint64_t right)
 {
 #ifdef FLOAT_MIXENG
@@ -427,7 +426,6 @@ void audio_sample_from_uint64(void *samples, int pos,
         "Coreaudio and floating point samples are not supported by replay yet");
     abort();
 #else
-    struct st_sample *sample = samples;
     sample += pos;
     sample->l = left;
     sample->r = right;

audio/mixeng.h

@@ -33,7 +33,6 @@ struct st_sample { mixeng_real l; mixeng_real r; };
 struct mixeng_volume { int mute; int64_t r; int64_t l; };
 struct st_sample { int64_t l; int64_t r; };
 #endif
-typedef struct st_sample st_sample;
 
 typedef void (t_sample) (struct st_sample *dst, const void *src, int samples);
 typedef void (f_sample) (void *dst, const struct st_sample *src, int samples);

include/system/replay.h

@@ -16,6 +16,7 @@
 #include "qapi/qapi-types-run-state.h"
 #include "qapi/qapi-types-ui.h"
 #include "block/aio.h"
+#include "audio/audio.h"
 
 /* replay clock kinds */
 enum ReplayClockKind {
@@ -165,7 +166,7 @@ void replay_net_packet_event(ReplayNetState *rns, unsigned flags,
 /*! Saves/restores number of played samples of audio out operation. */
 void replay_audio_out(size_t *played);
 /*! Saves/restores recorded samples of audio in operation. */
-void replay_audio_in(size_t *recorded, void *samples, size_t *wpos, size_t size);
+void replay_audio_in(size_t *recorded, st_sample *samples, size_t *wpos, size_t size);
 
 /* VM state operations */
 

replay/replay-audio.c

@@ -35,7 +35,7 @@ void replay_audio_out(size_t *played)
     }
 }
 
-void replay_audio_in(size_t *recorded, void *samples, size_t *wpos, size_t size)
+void replay_audio_in(size_t *recorded, st_sample *samples, size_t *wpos, size_t size)
 {
     int pos;
     uint64_t left, right;

replay/stubs-system.c

@@ -15,7 +15,7 @@ void replay_input_sync_event(void)
 void replay_add_blocker(const char *feature)
 {
 }
-void replay_audio_in(size_t *recorded, void *samples, size_t *wpos, size_t size)
+void replay_audio_in(size_t *recorded, st_sample *samples, size_t *wpos, size_t size)
 {
 }
 void replay_audio_out(size_t *played)