command: demuxer-cache-time property

Approximate time of video buffered in the demuxer, in seconds. Same as
`demuxer-cache-duration` but returns the last timestamp of bufferred
data in demuxer.

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

1 files changed, 21 insertions, 1 deletions

diff --git a/player/command.c b/player/command.c
index d210398946..3556986473 100644
--- a/player/command.c
+++ b/player/command.c
@@ -1383,6 +1383,24 @@ static int mp_property_demuxer_cache_duration(void *ctx, struct m_property *prop
     return m_property_double_ro(action, arg, s.ts_duration);
 }
 
+static int mp_property_demuxer_cache_time(void *ctx, struct m_property *prop,
+                                          int action, void *arg)
+{
+    MPContext *mpctx = ctx;
+    if (!mpctx->demuxer)
+        return M_PROPERTY_UNAVAILABLE;
+
+    struct demux_ctrl_reader_state s;
+    if (demux_control(mpctx->demuxer, DEMUXER_CTRL_GET_READER_STATE, &s) < 1)
+        return M_PROPERTY_UNAVAILABLE;
+
+    double ts = s.ts_range[1];
+    if (ts == MP_NOPTS_VALUE)
+        return M_PROPERTY_UNAVAILABLE;
+
+    return m_property_double_ro(action, arg, ts);
+}
+
 static int mp_property_demuxer_cache_idle(void *ctx, struct m_property *prop,
                                           int action, void *arg)
 {
@@ -3271,6 +3289,7 @@ static const struct m_property mp_properties[] = {
     {"cache-size", mp_property_cache_size},
     {"cache-idle", mp_property_cache_idle},
     {"demuxer-cache-duration", mp_property_demuxer_cache_duration},
+    {"demuxer-cache-time", mp_property_demuxer_cache_time},
     {"demuxer-cache-idle", mp_property_demuxer_cache_idle},
     {"cache-buffering-state", mp_property_cache_buffering},
     {"paused-for-cache", mp_property_paused_for_cache},
@@ -3463,7 +3482,8 @@ static const char *const *const mp_event_property_change[] = {
     E(MPV_EVENT_METADATA_UPDATE, "metadata", "filtered-metadata", "media-title"),
     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", "paused-for-cache"),
+      "demuxer-cache-duration", "demuxer-cache-idle", "paused-for-cache",
+      "demuxer-cache-time"),
     E(MP_EVENT_WIN_RESIZE, "window-scale"),
     E(MP_EVENT_WIN_STATE, "window-minimized", "display-names", "display-fps"),
     E(MP_EVENT_AUDIO_DEVICES, "audio-device-list"),