Any one can tell me how to debug time out issues？ What does the time refer to? 
I get the following log. 
0:00:06.431984000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c5609
0:00:06.431993000 30906   0x141890 INFO              GST_STATES gstelement.c:2312:gst_element_continue_state:<filesrc0> continue state change PAUSED to READY, final READY
0:00:06.432203000 30906 0xb5137030 INFO                    task gsttask.c:317:gst_task_func:<filesrc0:src> Task resume from paused
0:00:06.432435000 30906   0x141890 INFO              GST_STATES gstelement.c:2330:gst_element_continue_state:<filesrc0> completed state change to READY
0:00:06.432527000 30906   0x141890 INFO              GST_STATES gstelement.c:2235:_priv_gst_element_state_changed:<filesrc0> notifying about state-changed PAUSED to READY (VOID_PENDING pending)
0:00:06.432819000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.432457000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c61c4
0:00:06.432877000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.433592000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.433853000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.433991000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c6d7f
0:00:06.434494000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.434580000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.434721000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.434832000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.435225000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.435306000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.434592000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c793a
0:00:06.435918000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.436668000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.436809000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.436909000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.437301000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.437721000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c84f5
0:00:06.438235000 30906 0xb51b4a00 INFO               GST_EVENT gstpad.c:5502:gst_pad_send_event_unchecked:<filesrc0:src> Received event on flushing pad. Discarding
0:00:06.438362000 30906    0x1c600 FIXME                    bin gstbin.c:4075:gst_bin_query: implement duration caching in GstBin again
0:00:06.438458000 30906 0xb4807490 INFO                 amlvdec gstamlvdec.c:703:gst_aml_vdec_decode:<amlvdec0>  video pts = 2c90b0[1 / 1] validate.file.playback.fast_forward.prog_index_m3u8_1: Timeout (Application timed out: 30 secs)