avutil/opt: Better print representation of number limits

Signed-off-by: João Bernardo Oliveira <jbvsmo@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/opt.c

@@ -921,6 +921,8 @@ static void log_value(void *av_log_obj, int level, double d)
         av_log(av_log_obj, level, "INT_MAX");
     } else if (d == INT_MIN) {
         av_log(av_log_obj, level, "INT_MIN");
+    } else if (d == UINT32_MAX) {
+        av_log(av_log_obj, level, "UINT32_MAX");
     } else if (d == (double)INT64_MAX) {
         av_log(av_log_obj, level, "I64_MAX");
     } else if (d == INT64_MIN) {
@@ -929,6 +931,18 @@ static void log_value(void *av_log_obj, int level, double d)
         av_log(av_log_obj, level, "FLT_MAX");
     } else if (d == FLT_MIN) {
         av_log(av_log_obj, level, "FLT_MIN");
+    } else if (d == -FLT_MAX) {
+        av_log(av_log_obj, level, "-FLT_MAX");
+    } else if (d == -FLT_MIN) {
+        av_log(av_log_obj, level, "-FLT_MIN");
+    } else if (d == DBL_MAX) {
+        av_log(av_log_obj, level, "DBL_MAX");
+    } else if (d == DBL_MIN) {
+        av_log(av_log_obj, level, "DBL_MIN");
+    } else if (d == -DBL_MAX) {
+        av_log(av_log_obj, level, "-DBL_MAX");
+    } else if (d == -DBL_MIN) {
+        av_log(av_log_obj, level, "-DBL_MIN");
     } else {
         av_log(av_log_obj, level, "%g", d);
     }