From b5ed6148394062fbc8ac101bd1efe918470ac585 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 23 Nov 2013 21:34:24 +0100
Subject: options: implement --pphelp differently

Make it work via --vf=pp:help instead.
---
 video/filter/vf.c    | 1 +
 video/filter/vf.h    | 1 +
 video/filter/vf_pp.c | 6 ++++++
 3 files changed, 8 insertions(+)

(limited to 'video/filter')

diff --git a/video/filter/vf.c b/video/filter/vf.c
index 9a8c1bba04..212fc1d7a5 100644
--- a/video/filter/vf.c
+++ b/video/filter/vf.c
@@ -131,6 +131,7 @@ static bool get_desc(struct m_obj_desc *dst, int index)
         .priv_defaults = vf->priv_defaults,
         .options = vf->options,
         .p = vf,
+        .print_help = vf->print_help,
     };
     return true;
 }
diff --git a/video/filter/vf.h b/video/filter/vf.h
index 9b86cd117c..f6e4d5a9a8 100644
--- a/video/filter/vf.h
+++ b/video/filter/vf.h
@@ -38,6 +38,7 @@ typedef struct vf_info {
     int priv_size;
     const void *priv_defaults;
     const struct m_option *options;
+    void (*print_help)(void);
 } vf_info_t;
 
 struct vf_format {
diff --git a/video/filter/vf_pp.c b/video/filter/vf_pp.c
index 68ec22bd22..32ec088e0c 100644
--- a/video/filter/vf_pp.c
+++ b/video/filter/vf_pp.c
@@ -153,10 +153,16 @@ static int vf_open(vf_instance_t *vf, char *args){
     return 1;
 }
 
+static void print_help(void)
+{
+    mp_msg(MSGT_CFGPARSER, MSGL_INFO, "%s", pp_help);
+}
+
 const vf_info_t vf_info_pp = {
     .description = "postprocessing",
     .name = "pp",
     .open = vf_open,
+    .print_help = print_help,
 };
 
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