demux: export demuxer cache sizes in bytes

Plus sort of document them, together with the already existing
undocumented fields. (This is mostly for debugging, so use is
discouraged.)

1 files changed, 2 insertions, 0 deletions

diff --git a/demux/demux.h b/demux/demux.h
index 95e0f77c7c..9224ca3a98 100644
--- a/demux/demux.h
+++ b/demux/demux.h
@@ -51,6 +51,8 @@ struct demux_ctrl_reader_state {
     double ts_duration;
     double ts_reader; // approx. timerstamp of decoder position
     double ts_end; // approx. timestamp of end of buffered range
+    int64_t total_bytes;
+    int64_t fw_bytes;
     // Positions that can be seeked to without incurring the latency of a low
     // level seek.
     int num_seek_ranges;