Move level argument parsing to the correct place and give it initial values

src/cfg.c

@@ -125,6 +125,9 @@ int kvz_config_init(kvz_config *cfg)
 
   cfg->optional_key = NULL;
 
+  cfg->level = 62; // hevc level 6.2, the highest
+  cfg->force_level = true;
+
   return 1;
 }
 
@@ -1109,10 +1112,56 @@ int kvz_config_parse(kvz_config *cfg, const char *name, const char *value)
 
     fclose(f);
   }
-  else if OPT("erp-aqp")
+  else if OPT("erp-aqp") {
     cfg->erp_aqp = (bool)atobool(value);
-  else
+  }
+  else if (OPT("level") || OPT("force-level")) {
+    if OPT("force-level") {
+      cfg->force_level = true;
+    } else {
+      cfg->force_level = false;
+    }
+
+    unsigned int num_first, num_second, level = 0;
+    int matched_amount = sscanf(value, "%u.%u", &num_first, &num_second);
+
+    if (matched_amount == 2) {
+      // of form x.y
+      level = num_first * 10 + num_second;
+    }
+    else if (matched_amount == 1) {
+      // no dot
+      if (num_first < 10) {
+        // of form x
+        level = num_first * 10;
+      }
+      else {
+        // of form xx
+        level = num_first;
+      }
+    }
+
+    // check if the level has a valid value
+    switch (level)
+    {
+    case 10:
+    case 20: case 21:
+    case 30: case 31:
+    case 40: case 41:
+    case 50: case 51: case 52:
+    case 60: case 61: case 62:
+      // a-ok
+      break;
+    default:
+      fprintf(stderr, "invalid level value: \"%s\"", value);
       return 0;
+    }
+
+    cfg->level = level;
+  }
+  else {
+    return 0;
+  }
 #undef OPT
 
   return 1;

src/cli.c

@@ -123,6 +123,7 @@ static const struct option long_options[] = {
   { "erp-aqp",                  no_argument, NULL, 0 },
   { "no-erp-aqp",               no_argument, NULL, 0 },
   { "level",              required_argument, NULL, 0 },
+  { "force-level",        required_argument, NULL, 0 },
   {0, 0, 0, 0}
 };
 
@@ -235,45 +236,6 @@ cmdline_opts_t* cmdline_opts_parse(const kvz_api *const api, int argc, char *arg
       goto done;
     } else if (!strcmp(name, "loop-input")) {
       opts->loop_input = true;
-    } else if (!strcmp(name, "level")) {
-      unsigned int num_first, num_second, level = 0;
-      int matched_amount = sscanf(optarg, "%u.%u", &num_first, &num_second);
-
-      if (matched_amount == 2) {
-        // of form x.y
-        level = num_first * 10 + num_second;
-      } else if (matched_amount == 1) {
-        // no dot
-        if (num_first < 10) {
-          // of form x
-          level = num_first * 10;
-        } else {
-          // of form xx
-          level = num_first;
-        }
-      }
-
-      // check if the level has a valid value
-      switch (level)
-      {
-      case 10:
-      case 20: case 21:
-      case 30: case 31:
-      case 40: case 41:
-      case 50: case 51: case 52:
-      case 60: case 61: case 62:
-        // a-ok
-        break;
-      default:
-        fprintf(stderr, "invalid level value: \"%s\"", optarg);
-        ok = 0;
-        goto done;
-      }
-
-      // DEBUG
-      fprintf(stderr, "lvl: %u", level);
-
-      opts->level = level;
     } else if (!api->config_parse(opts->config, name, optarg)) {
       fprintf(stderr, "invalid argument: %s=%s\n", name, optarg);
       ok = 0;

src/cli.h

@@ -47,8 +47,6 @@ typedef struct cmdline_opts_t {
   bool version;
   /** \brief Whether to loop input */
   bool loop_input;
-  /* \brief The HEVC level */
-  uint8_t level;
 } cmdline_opts_t;
 
 cmdline_opts_t* cmdline_opts_parse(const kvz_api *api, int argc, char *argv[]);

src/kvazaar.h

@@ -351,6 +351,11 @@ typedef struct kvz_config
    * \brief Use adaptive QP for 360 video with equirectangular projection.
    */
   int32_t erp_aqp;
+
+  /** \brief The HEVC level */
+  uint8_t level;
+  /** \brief Whether we ignore and just warn from all of the errors about the output not conforming to the level's requirements. */
+  uint8_t force_level;
 } kvz_config;
 
 /**