command: add write_watch_later_config command

Closes #808.

Signed-off-by: wm4 <wm4@nowhere>

DOCS/man/en/input.rst

@@ -1240,6 +1240,9 @@ Property list
     changed at runtime by writing to this property. Note that many options
     require reloading the file for changes to take effect. If there is an
     equivalent property, prefer setting the property instead.
+    
+``write_watch_later_config``
+    Saves current playback position.
 
 Property Expansion
 ------------------

input/cmd_list.c

@@ -177,6 +177,8 @@ const struct mp_cmd_def mp_cmds[] = {
         ARG_INT, ARG_INT }},
   { MP_CMD_OVERLAY_REMOVE, "overlay_remove", { ARG_INT } },
 
+  { MP_CMD_WRITE_WATCH_LATER_CONFIG, "write_watch_later_config", },
+
   {0}
 };
 

input/cmd_list.h

@@ -106,6 +106,8 @@ enum mp_command_type {
     MP_CMD_OVERLAY_ADD,
     MP_CMD_OVERLAY_REMOVE,
 
+    MP_CMD_WRITE_WATCH_LATER_CONFIG,
+
     // Internal
     MP_CMD_COMMAND_LIST, // list of sub-commands in args[0].v.p
 };

player/command.c

@@ -3702,6 +3702,11 @@ void run_command(MPContext *mpctx, mp_cmd_t *cmd)
     case MP_CMD_IGNORE:
         break;
 
+    case MP_CMD_WRITE_WATCH_LATER_CONFIG: {
+        mp_write_watch_later_conf(mpctx);
+        break;
+    }
+
     default:
         MP_VERBOSE(mpctx, "Received unknown cmd %s\n", cmd->name);
     }