[gstreamer-bugs] [Bug 624455] New: The matroska muxer seeks even when used with streamable=TRUE

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=624455
  GStreamer | gst-plugins-good | git

           Summary: The matroska muxer seeks even when used with
                    streamable=TRUE
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: per.smitt at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


Running the following gst-launch command:

GST_DEBUG=filesink:5 gst-launch videotestsrc num-buffers=60 ! ffenc_h263 !
matroskamux streamable=TRUE ! filesink location=/tmp/test.mkv sync=FALSE

And at the end there are seeks being performed even if streamable is set to
true.

Extract from output:
0:00:00.199721337 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 188053
0:00:00.199874736 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2152 bytes at 188060
0:00:00.201741844 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 190212
0:00:00.201889714 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2169 bytes at 190219
0:00:00.203773242 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 19 bytes at 192388
0:00:00.203909031 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2157 bytes at 192407
0:00:00.205776147 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 194564
0:00:00.205911239 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2152 bytes at 194571
0:00:00.207791437 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 196723
0:00:00.207935346 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2188 bytes at 196730
0:00:00.209804964 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 19 bytes at 198918
0:00:00.209985634 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2157 bytes at 198937
0:00:00.211944574 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 201094
0:00:00.212143894 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2165 bytes at 201101
0:00:00.214208687 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 7 bytes at 203266
0:00:00.214356689 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2164 bytes at 203273
0:00:00.216334855 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 19 bytes at 205437
0:00:00.216487392 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 2193 bytes at 205456
0:00:00.216652578 11631  0x9760270 DEBUG               filesink
gstfilesink.c:504:gst_file_sink_do_seek:<filesink0> Seeking to offset 170293
using fseeko
0:00:00.216805163 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 8 bytes at 170293
0:00:00.216947841 11631  0x9760270 DEBUG               filesink
gstfilesink.c:504:gst_file_sink_do_seek:<filesink0> Seeking to offset 207649
using fseeko
0:00:00.217089858 11631  0x9760270 DEBUG               filesink
gstfilesink.c:504:gst_file_sink_do_seek:<filesink0> Seeking to offset 36 using
fseeko
0:00:00.217223178 11631  0x9760270 DEBUG               filesink
gstfilesink.c:643:gst_file_sink_render:<filesink0> writing 8 bytes at 36
0:00:00.217366385 11631  0x9760270 DEBUG               filesink
gstfilesink.c:504:gst_file_sink_do_seek:<filesink0> Seeking to offset 207649
using fseeko
Got EOS from element "pipeline0".
Execution ended after 170615228 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
0:00:00.218223098 11631  0x975e070 DEBUG               filesink
gstfilesink.c:442:gst_file_sink_close_file:<filesink0> closed file
Freeing pipeline ...

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