document speedlevel

src/ffmpeg2theora.c

@@ -1778,8 +1778,13 @@ void print_usage() {
         "                         data must come from a first encoding pass\n"
         "                         using identical input video to work\n"
         "                         properly.\n\n"
-        "      --optimize         optimize video output filesize (slower) (same as speedlevel 0)\n"
-        "      --speedlevel       [0 2] encoding is faster with higher values the cost is quality and bandwidth\n"
+        "      --optimize         optimize video output filesize (slower)\n"
+        "                         (same as speedlevel 0)\n"
+        "      --speedlevel       encoding is faster with higher values\n"
+        "                         the cost is quality and bandwidth\n"
+        "                         - 0: Slowest (best)\n"
+        "                         - 1: Enable early skip (default)\n"
+	"                         - 2: Disable motion compensation\n"
 
         "  -x, --width            scale to given width (in pixels)\n"
         "  -y, --height           scale to given height (in pixels)\n"