[PATCH 7/7] Add debug output identifying audio codec

[Jonathon Jongsma <jjongsma@xxxxxxxxxx>]

It can be useful for debug to know what the codec of the playback and
record channels are, so add a debug-level print statement indicating
this.

Resolves: rhbz#1436251
---
 server/sound.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/server/sound.c b/server/sound.c
index 6a6d965..eb0220f 100644
--- a/server/sound.c
+++ b/server/sound.c
@@ -314,6 +314,18 @@ static bool snd_record_handle_write(RecordChannelClient *record_client, size_t s
     return TRUE;
 }
 
+static
+const char* spice_audio_data_mode_to_string(gint mode)
+{
+    static const char *str[] = {
+        [ SPICE_AUDIO_DATA_MODE_INVALID ] = "invalid",
+        [ SPICE_AUDIO_DATA_MODE_RAW ] = "raw",
+        [ SPICE_AUDIO_DATA_MODE_CELT_0_5_1 ] = "celt",
+        [ SPICE_AUDIO_DATA_MODE_OPUS ] = "opus",
+    };
+    return (mode >= 0 && mode < G_N_ELEMENTS(str)) ? str[mode] : "unknown audio codec";
+}
+
 static bool
 record_channel_handle_message(RedChannelClient *rcc, uint16_t type, uint32_t size, void *message)
 {
@@ -343,6 +355,9 @@ record_channel_handle_message(RedChannelClient *rcc, uint16_t type, uint32_t siz
         }
         else
             record_client->mode = mode->mode;
+
+        spice_debug("record client %p using mode %s", record_client,
+                    spice_audio_data_mode_to_string(record_client->mode));
         break;
     }
 
@@ -1061,6 +1076,9 @@ playback_channel_client_constructed(GObject *object)
         }
     }
 
+    spice_debug("playback client %p using mode %s", playback_client,
+                spice_audio_data_mode_to_string(playback_client->mode));
+
     if (!red_client_during_migrate_at_target(client)) {
         on_new_playback_channel_client(channel, SND_CHANNEL_CLIENT(playback_client));
     }
@@ -1469,6 +1487,8 @@ void snd_set_playback_compression(bool on)
             if (playback->mode != desired_mode) {
                 playback->mode = desired_mode;
                 snd_set_command(now->connection, SND_PLAYBACK_MODE_MASK);
+                spice_debug("playback client %p using mode %s", playback,
+                            spice_audio_data_mode_to_string(playback->mode));
             }
         }
     }
-- 
2.9.3

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