player: make deprecated track/chapter/metadata events internal

We still need these to track or notify of modifications to certain properties,
but they're now gone from the libmpv ABI.

DOCS/client-api-changes.rst

@@ -37,7 +37,8 @@ API changes
         - remove mpv_opengl_init_params.extra_exts field
         - remove deprecated mpv_detach_destroy. Use mpv_destroy instead.
         - remove obsolete mpv_suspend and mpv_resume
-        - remove deprecated SCRIPT_INPUT_DISPATCH, PAUSE and UNPAUSE events
+        - remove deprecated SCRIPT_INPUT_DISPATCH, PAUSE and UNPAUSE, TRACKS_CHANGED
+          TRACK_SWITCHED, METADATA_UPDATE, CHAPTER_CHANGE events
  --- mpv 0.33.0 ---
  1.109  - add MPV_RENDER_API_TYPE_SW and related (software rendering API)
         - inactivate the opengl_cb API (always fails to initialize now)

DOCS/man/input.rst

@@ -1600,10 +1600,8 @@ This list uses the event name field value, and the C API symbol in brackets:
     ``data``
         The new value of the property.
 
-The following events also happen, but are deprecated: ``tracks-changed``,
-``track-switched``, ``metadata-update``, ``idle``,
-``tick``, ``chapter-change``. Use ``mpv_observe_property()``
-(Lua: ``mp.observe_property()``) instead.
+The following events also happen, but are deprecated: ``idle``, ``tick``
+Use ``mpv_observe_property()`` (Lua: ``mp.observe_property()``) instead.
 
 Hooks
 ~~~~~

libmpv/client.h

@@ -1265,24 +1265,6 @@ typedef enum mpv_event_id {
      */
     MPV_EVENT_FILE_LOADED       = 8,
 #if MPV_ENABLE_DEPRECATED
-    /**
-     * The list of video/audio/subtitle tracks was changed. (E.g. a new track
-     * was found. This doesn't necessarily indicate a track switch; for this,
-     * MPV_EVENT_TRACK_SWITCHED is used.)
-     *
-     * @deprecated This is equivalent to using mpv_observe_property() on the
-     *             "track-list" property. The event is redundant, and might
-     *             be removed in the far future.
-     */
-    MPV_EVENT_TRACKS_CHANGED    = 9,
-    /**
-     * A video/audio/subtitle track was switched on or off.
-     *
-     * @deprecated This is equivalent to using mpv_observe_property() on the
-     *             "vid", "aid", and "sid" properties. The event is redundant,
-     *             and might be removed in the far future.
-     */
-    MPV_EVENT_TRACK_SWITCHED    = 10,
     /**
      * Idle mode was entered. In this mode, no file is played, and the playback
      * core waits for new commands. (The command line player normally quits
@@ -1331,18 +1313,6 @@ typedef enum mpv_event_id {
      * because there is no such thing as audio output embedding.
      */
     MPV_EVENT_AUDIO_RECONFIG    = 18,
-#if MPV_ENABLE_DEPRECATED
-    /**
-     * Happens when metadata (like file tags) is possibly updated. (It's left
-     * unspecified whether this happens on file start or only when it changes
-     * within a file.)
-     *
-     * @deprecated This is equivalent to using mpv_observe_property() on the
-     *             "metadata" property. The event is redundant, and might
-     *             be removed in the far future.
-     */
-    MPV_EVENT_METADATA_UPDATE   = 19,
-#endif
     /**
      * Happens when a seek was initiated. Playback stops. Usually it will
      * resume with MPV_EVENT_PLAYBACK_RESTART as soon as the seek is finished.
@@ -1360,16 +1330,6 @@ typedef enum mpv_event_id {
      * See also mpv_event and mpv_event_property.
      */
     MPV_EVENT_PROPERTY_CHANGE   = 22,
-#if MPV_ENABLE_DEPRECATED
-    /**
-     * Happens when the current chapter changes.
-     *
-     * @deprecated This is equivalent to using mpv_observe_property() on the
-     *             "chapter" property. The event is redundant, and might
-     *             be removed in the far future.
-     */
-    MPV_EVENT_CHAPTER_CHANGE    = 23,
-#endif
     /**
      * Happens if the internal per-mpv_handle ringbuffer overflows, and at
      * least 1 event had to be dropped. This can happen if the client doesn't

player/client.c

@@ -847,12 +847,8 @@ int mp_client_send_event_dup(struct MPContext *mpctx, const char *client_name,
 }
 
 const static bool deprecated_events[] = {
-    [MPV_EVENT_TRACKS_CHANGED] = true,
-    [MPV_EVENT_TRACK_SWITCHED] = true,
     [MPV_EVENT_IDLE] = true,
     [MPV_EVENT_TICK] = true,
-    [MPV_EVENT_METADATA_UPDATE] = true,
-    [MPV_EVENT_CHAPTER_CHANGE] = true,
 };
 
 int mpv_request_event(mpv_handle *ctx, mpv_event_id event, int enable)
@@ -2078,18 +2074,14 @@ static const char *const event_table[] = {
     [MPV_EVENT_START_FILE] = "start-file",
     [MPV_EVENT_END_FILE] = "end-file",
     [MPV_EVENT_FILE_LOADED] = "file-loaded",
-    [MPV_EVENT_TRACKS_CHANGED] = "tracks-changed",
-    [MPV_EVENT_TRACK_SWITCHED] = "track-switched",
     [MPV_EVENT_IDLE] = "idle",
     [MPV_EVENT_TICK] = "tick",
     [MPV_EVENT_CLIENT_MESSAGE] = "client-message",
     [MPV_EVENT_VIDEO_RECONFIG] = "video-reconfig",
     [MPV_EVENT_AUDIO_RECONFIG] = "audio-reconfig",
-    [MPV_EVENT_METADATA_UPDATE] = "metadata-update",
     [MPV_EVENT_SEEK] = "seek",
     [MPV_EVENT_PLAYBACK_RESTART] = "playback-restart",
     [MPV_EVENT_PROPERTY_CHANGE] = "property-change",
-    [MPV_EVENT_CHAPTER_CHANGE] = "chapter-change",
     [MPV_EVENT_QUEUE_OVERFLOW] = "event-queue-overflow",
     [MPV_EVENT_HOOK] = "hook",
 };

player/command.c

@@ -993,7 +993,7 @@ static int parse_node_chapters(struct MPContext *mpctx,
         }
     }
 
-    mp_notify(mpctx, MPV_EVENT_CHAPTER_CHANGE, NULL);
+    mp_notify(mpctx, MP_EVENT_CHAPTER_CHANGE, NULL);
     mp_notify_property(mpctx, "chapter-list");
 
     return M_PROPERTY_OK;
@@ -3770,8 +3770,8 @@ static const char *const *const mp_event_property_change[] = {
     E(MPV_EVENT_END_FILE, "*"),
     E(MPV_EVENT_FILE_LOADED, "*"),
     E(MP_EVENT_CHANGE_ALL, "*"),
-    E(MPV_EVENT_TRACKS_CHANGED, "track-list", "current-tracks"),
-    E(MPV_EVENT_TRACK_SWITCHED, "track-list", "current-tracks"),
+    E(MP_EVENT_TRACKS_CHANGED, "track-list", "current-tracks"),
+    E(MP_EVENT_TRACK_SWITCHED, "track-list", "current-tracks"),
     E(MPV_EVENT_IDLE, "*"),
     E(MPV_EVENT_TICK, "time-pos", "audio-pts", "stream-pos", "avsync",
       "percent-pos", "time-remaining", "playtime-remaining", "playback-time",
@@ -3794,8 +3794,8 @@ static const char *const *const mp_event_property_change[] = {
       "audio-out-params", "volume-max", "mixer-active"),
     E(MPV_EVENT_SEEK, "seeking", "core-idle", "eof-reached"),
     E(MPV_EVENT_PLAYBACK_RESTART, "seeking", "core-idle", "eof-reached"),
-    E(MPV_EVENT_METADATA_UPDATE, "metadata", "filtered-metadata", "media-title"),
-    E(MPV_EVENT_CHAPTER_CHANGE, "chapter", "chapter-metadata"),
+    E(MP_EVENT_METADATA_UPDATE, "metadata", "filtered-metadata", "media-title"),
+    E(MP_EVENT_CHAPTER_CHANGE, "chapter", "chapter-metadata"),
     E(MP_EVENT_CACHE_UPDATE,
       "demuxer-cache-duration", "demuxer-cache-idle", "paused-for-cache",
       "demuxer-cache-time", "cache-buffering-state", "cache-speed",

player/command.h

@@ -103,6 +103,10 @@ enum {
     MP_EVENT_CORE_IDLE,
     MP_EVENT_DURATION_UPDATE,
     MP_EVENT_INPUT_PROCESSED,
+    MP_EVENT_TRACKS_CHANGED,
+    MP_EVENT_TRACK_SWITCHED,
+    MP_EVENT_METADATA_UPDATE,
+    MP_EVENT_CHAPTER_CHANGE,
 };
 
 bool mp_hook_test_completion(struct MPContext *mpctx, char *type);

player/loadfile.c

@@ -353,7 +353,7 @@ void update_demuxer_properties(struct MPContext *mpctx)
         }
         talloc_free(mpctx->filtered_tags);
         mpctx->filtered_tags = info;
-        mp_notify(mpctx, MPV_EVENT_METADATA_UPDATE, NULL);
+        mp_notify(mpctx, MP_EVENT_METADATA_UPDATE, NULL);
     }
     if (events & DEMUX_EVENT_DURATION)
         mp_notify(mpctx, MP_EVENT_DURATION_UPDATE, NULL);
@@ -429,7 +429,7 @@ static struct track *add_stream_track(struct MPContext *mpctx,
     };
     MP_TARRAY_APPEND(mpctx, mpctx->tracks, mpctx->num_tracks, track);
 
-    mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL);
+    mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
 
     return track;
 }
@@ -686,7 +686,7 @@ void mp_switch_track_n(struct MPContext *mpctx, int order, enum stream_type type
         reinit_sub(mpctx, track);
     }
 
-    mp_notify(mpctx, MPV_EVENT_TRACK_SWITCHED, NULL);
+    mp_notify(mpctx, MP_EVENT_TRACK_SWITCHED, NULL);
     mp_wakeup_core(mpctx);
 
     talloc_free(mpctx->track_layout_hash);
@@ -752,7 +752,7 @@ bool mp_remove_track(struct MPContext *mpctx, struct track *track)
     if (!in_use)
         demux_cancel_and_free(d);
 
-    mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL);
+    mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
 
     return true;
 }
@@ -1358,7 +1358,7 @@ done:
             reselect_demux_stream(mpctx, mpctx->tracks[n], false);
     }
 
-    mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL);
+    mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
 
     return success ? 1 : -1;
 }
@@ -1721,7 +1721,7 @@ terminate_playback:
     talloc_free(mpctx->filtered_tags);
     mpctx->filtered_tags = NULL;
 
-    mp_notify(mpctx, MPV_EVENT_TRACKS_CHANGED, NULL);
+    mp_notify(mpctx, MP_EVENT_TRACKS_CHANGED, NULL);
 
     if (encode_lavc_didfail(mpctx->encode_lavc_ctx))
         mpctx->stop_play = PT_ERROR;

player/playloop.c

@@ -962,7 +962,7 @@ static void handle_chapter_change(struct MPContext *mpctx)
     int chapter = get_current_chapter(mpctx);
     if (chapter != mpctx->last_chapter) {
         mpctx->last_chapter = chapter;
-        mp_notify(mpctx, MPV_EVENT_CHAPTER_CHANGE, NULL);
+        mp_notify(mpctx, MP_EVENT_CHAPTER_CHANGE, NULL);
     }
 }