fmp4mux: Reset timing infos to None if a stream only contained gap events for a whole fragment

1 files changed, 5 insertions, 1 deletions

diff --git a/mux/fmp4/src/fmp4mux/imp.rs b/mux/fmp4/src/fmp4mux/imp.rs
index 22e9bf19..ef2a9ae8 100644
--- a/mux/fmp4/src/fmp4mux/imp.rs
+++ b/mux/fmp4/src/fmp4mux/imp.rs
@@ -1239,12 +1239,16 @@ impl FMP4Mux {
         ) = self.drain_buffers(state, settings, timeout, at_eos)?;
 
         // Remove all GAP buffers before processing them further
-        for (_, _, buffers) in &mut drained_streams {
+        for (_, timing_info, buffers) in &mut drained_streams {
             buffers.retain(|buf| {
                 !buf.buffer.flags().contains(gst::BufferFlags::GAP)
                     || !buf.buffer.flags().contains(gst::BufferFlags::DROPPABLE)
                     || buf.buffer.size() != 0
             });
+
+            if buffers.is_empty() {
+                *timing_info = None;
+            }
         }
 
         // For ONVIF, replace all timestamps with timestamps based on UTC times.