audio: replace DEBUG_OUT with traces

Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

audio/audio-mixeng-be.c

@@ -29,8 +29,6 @@
 #define AUDIO_CAP "audio"
 #include "audio_int.h"
 
-/* #define DEBUG_OUT */
-
 #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown"
 
 const struct mixeng_volume nominal_volume = {
@@ -568,9 +566,7 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t buf_len)
     }
 
     if (live == hw->mix_buf.size) {
-#ifdef DEBUG_OUT
-        dolog ("%s is full %zu\n", sw->name, live);
-#endif
+        trace_audio_out_full(sw->name, live);
         return 0;
     }
 
@@ -618,15 +614,8 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t buf_len)
         sw->resample_buf.pos = 0;
     }
 
-#ifdef DEBUG_OUT
-    dolog (
-        "%s: write size %zu written %zu total mixed %zu\n",
-        SW_NAME(sw),
-        buf_len / sw->info.bytes_per_frame,
-        total_in,
-        sw->total_hw_samples_mixed
-        );
-#endif
+    trace_audio_sw_write(SW_NAME(sw), buf_len / sw->info.bytes_per_frame,
+                         total_in, sw->total_hw_samples_mixed);
 
     return total_in * sw->info.bytes_per_frame;
 }
@@ -900,10 +889,8 @@ static size_t audio_get_free(SWVoiceOut *sw)
 
     dead = sw->hw->mix_buf.size - live;
 
-#ifdef DEBUG_OUT
-    dolog("%s: get_free live %zu dead %zu frontend frames %u\n",
-          SW_NAME(sw), live, dead, st_rate_frames_in(sw->rate, dead));
-#endif
+    trace_audio_get_free(SW_NAME(sw), live, dead,
+                         st_rate_frames_in(sw->rate, dead));
 
     return dead;
 }
@@ -1058,9 +1045,8 @@ static void audio_run_out(AudioMixengBackend *s)
 
         if (hw->pending_disable && !nb_live) {
             SWVoiceCap *sc;
-#ifdef DEBUG_OUT
-            dolog ("Disabling voice\n");
-#endif
+
+            trace_audio_out_disable();
             hw->enabled = false;
             hw->pending_disable = false;
             if (k->enable_out) {
@@ -1089,9 +1075,7 @@ static void audio_run_out(AudioMixengBackend *s)
             hw->mix_buf.pos = 0;
         }
 
-#ifdef DEBUG_OUT
-        dolog("played=%zu\n", played);
-#endif
+        trace_audio_out_played(played);
 
         if (played) {
             audio_capture_mix_and_clear (hw, prev_rpos, played);

audio/trace-events

@@ -65,6 +65,11 @@ audio_capture_attach(const char *name, bool active) "capture %s active=%d"
 audio_get_avail(const char *name, size_t live, uint32_t frontend_frames) "%s: get_avail live %zu frontend frames %u"
 audio_run_poll(const char *msg, int64_t elapsed_us) "Elapsed since last %s: %" PRId64 " us"
 audio_capture_free_sw(const char *name) "freeing %s"
+audio_out_full(const char *name, size_t live) "%s is full %zu"
+audio_sw_write(const char *name, size_t size, size_t written, size_t total_mixed) "%s: write size %zu written %zu total mixed %zu"
+audio_get_free(const char *name, size_t live, size_t dead, uint32_t frontend_frames) "%s: get_free live %zu dead %zu frontend frames %u"
+audio_out_disable(void) "Disabling voice"
+audio_out_played(size_t played) "played=%zu"
 
 # audio_template.h
 audio_open_out(const char *name, int freq, int nchannels, int fmt) "open %s, freq %d, nchannels %d, fmt %d"