pmpdemux: actually seek to previous key frame0.0.2

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gstpmpdemux.c b/src/gstpmpdemux.c
index ec25500..09503ba 100644
--- a/src/gstpmpdemux.c
+++ b/src/gstpmpdemux.c
@@ -990,8 +990,8 @@ gst_pmpdemux_loop_state_indices (GstPmpdemux * pmpdemux)
   return ret;
 }
 
-/* Seeks to the previous keyframe of the indexed stream and 
- * aligns other streams with respect to the keyframe timestamp 
+/* Seeks to the previous keyframe of the indexed stream and
+ * aligns other streams with respect to the keyframe timestamp
  * of indexed stream. Only called in case of Reverse Playback
  */
 static GstFlowReturn
@@ -1012,6 +1012,9 @@ gst_pmpdemux_seek_to_previous_keyframe (GstPmpdemux * pmpdemux)
   }
 
   ref_str->sample_index--;
+  while (ref_str->sample_index > 0 &&
+	 !(pmpdemux->samples[ref_str->sample_index].size & 1))
+    ref_str->sample_index--;
   for (i = 1; i < pmpdemux->n_samples; i++)
     pmpdemux->streams[i]->sample_index = ref_str->sample_index;