From 97ab40290eaf5d5f2c97a7a7c6678cdee2283e79 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 29 Dec 2014 23:03:39 +0100
Subject: command: add filtered-metadata property

Goes in hand with the previous commit; the main purpose is to easily
show on OSD what is shown on terminal.
---
 DOCS/man/input.rst |  4 ++++
 player/command.c   | 13 ++++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/DOCS/man/input.rst b/DOCS/man/input.rst
index eee6beaf78..aed7251aca 100644
--- a/DOCS/man/input.rst
+++ b/DOCS/man/input.rst
@@ -903,6 +903,10 @@ Property list
         MPV_FORMAT_NODE_MAP
             (key and string value for each metadata entry)
 
+``filtered-metadata``
+    Like ``metadata``, but includes only fields listed in the ``--display-tags``
+    option. This is the same set of tags that is printed to the terminal.
+
 ``chapter-metadata``
     Metadata of current chapter. Works similar to ``metadata`` property. It
     also allows the same access methods (using sub-properties).
diff --git a/player/command.c b/player/command.c
index 4e5fdc6509..97b890af5c 100644
--- a/player/command.c
+++ b/player/command.c
@@ -1122,6 +1122,16 @@ static int mp_property_metadata(void *ctx, struct m_property *prop,
     return tag_property(action, arg, demuxer->metadata);
 }
 
+static int mp_property_filtered_metadata(void *ctx, struct m_property *prop,
+                                         int action, void *arg)
+{
+    MPContext *mpctx = ctx;
+    if (!mpctx->filtered_tags)
+        return M_PROPERTY_UNAVAILABLE;
+
+    return tag_property(action, arg, mpctx->filtered_tags);
+}
+
 static int mp_property_chapter_metadata(void *ctx, struct m_property *prop,
                                         int action, void *arg)
 {
@@ -3246,6 +3256,7 @@ static const struct m_property mp_properties[] = {
     {"editions", mp_property_editions},
     {"angle", mp_property_angle},
     {"metadata", mp_property_metadata},
+    {"filtered-metadata", mp_property_filtered_metadata},
     {"chapter-metadata", mp_property_chapter_metadata},
     {"vf-metadata", mp_property_vf_metadata},
     {"pause", mp_property_pause},
@@ -3429,7 +3440,7 @@ static const char *const *const mp_event_property_change[] = {
       "samplerate", "channels", "audio"),
     E(MPV_EVENT_SEEK, "seeking"),
     E(MPV_EVENT_PLAYBACK_RESTART, "seeking"),
-    E(MPV_EVENT_METADATA_UPDATE, "metadata"),
+    E(MPV_EVENT_METADATA_UPDATE, "metadata", "filtered-metadata"),
     E(MPV_EVENT_CHAPTER_CHANGE, "chapter", "chapter-metadata"),
     E(MP_EVENT_CACHE_UPDATE, "cache", "cache-free", "cache-used", "cache-idle",
       "demuxer-cache-duration", "demuxer-cache-idle"),
-- 
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