new slave command: af_cmdline, for changing audio filter options

Add experimental af_cmdline slave command to allow changing filter
options at runtime.

Patch by Adrian Stutz [adrian sttz ch]

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32505 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 13 insertions, 0 deletions

diff --git a/command.c b/command.c
index bcfe206f07..60d04d4248 100644
--- a/command.c
+++ b/command.c
@@ -3496,6 +3496,19 @@ void run_command(MPContext *mpctx, mp_cmd_t *cmd)
         af_init(mpctx->mixer.afilter);
         build_afilter_chain(mpctx, sh_audio, &ao_data);
         break;
+    case MP_CMD_AF_CMDLINE:
+        if (sh_audio) {
+            af_instance_t *af = af_get(sh_audio->afilter, cmd->args[0].v.s);
+            if (!af) {
+                mp_msg(MSGT_CPLAYER, MSGL_WARN,
+                       "Filter '%s' not found in chain.\n", cmd->args[0].v.s);
+                break;
+            }
+            af->control(af, AF_CONTROL_COMMAND_LINE, cmd->args[1].v.s);
+            af_reinit(sh_audio->afilter, af);
+        }
+        break;
+
         default:
                 mp_msg(MSGT_CPLAYER, MSGL_V,
                        "Received unknown cmd %s\n", cmd->name);