test.diff

diff --git a/common/msg.c b/common/msg.c
index a8ff492..dc62a3d 100644
--- a/common/msg.c
+++ b/common/msg.c
@@ -20,6 +20,7 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
+#include <ctype.h>
 #include <unistd.h>
 #include <assert.h>
 #include <pthread.h>
@@ -204,6 +205,32 @@ static void set_msg_color(FILE* stream, int lev)
     terminal_set_foreground_color(stream, v_colors[lev]);
 }
 
+static void pretty_print_module(FILE* stream, struct mp_log *log)
+{
+    char *prefix = log->verbose_prefix;
+
+    // Use random color based on the name of the module
+    unsigned int mod = 0;
+    for (int i = 0; i < strlen(prefix); ++i)
+        mod = 31 * mod + (int) prefix[i];
+    int c2 = (mod + 1) % 15 + 1;
+
+    // Convert the prefix to uppercase
+    char upper_prefix[strlen(prefix) + 1];
+    for (int i = 0; i < strlen(prefix); ++i)
+        upper_prefix[i] = toupper(prefix[i]);
+
+    terminal_set_foreground_color(stream, c2);
+    fprintf(stream, "%10s", upper_prefix);
+    terminal_set_foreground_color(stream, -1);
+    fprintf(stream, ": ");
+
+    if (log->root->color)
+        set_msg_color(stream, log->terminal_level);
+    else
+        terminal_set_foreground_color(stream, -1);
+}
+
 static void print_msg_on_terminal(struct mp_log *log, int lev, char *text)
 {
     struct mp_log_root *root = log->root;
@@ -246,8 +273,13 @@ static void print_msg_on_terminal(struct mp_log *log, int lev, char *text)
         if (header) {
             if (root->show_time)
                 fprintf(stream, "[%" PRId64 "] ", mp_time_us());
-            if (prefix)
-                fprintf(stream, "[%s] ", prefix);
+
+            if (prefix) {
+                if (root->module)
+                    pretty_print_module(stream, log);
+                else if (root->verbose)
+                    fprintf(stream, "[%s] ", prefix);
+            }
         }
 
         char *next = strchr(text, '\n');