[gstreamer-bugs] [Bug 602790] New: New oggdemux parsers break vorbis playback

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Nov 23 17:32:59 PST 2009


https://bugzilla.gnome.org/show_bug.cgi?id=602790
  GStreamer | gst-plugins-base | git

           Summary: New oggdemux parsers break vorbis playback
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: NEW
          Severity: blocker
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: thaytan at mad.scientist.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


With the new oggdemuxer parsers in place, playback of plain ogg/vorbis files
(at least) is completely broken, with choppy audio.

Example output from vorbisdec:

/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 4608 bytes, timestamp: 0:00:00.005804988, duration: 0:00:00.013061224,
offset: 255, offset_end: 831, flags: 32) 0x94e5c00"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.039183673, duration: 0:00:00.023219954,
offset: 1727, offset_end: 2751, flags: 0) 0x94e5ca0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.062403628, duration: 0:00:00.023219954,
offset: 2751, offset_end: 3775, flags: 0) 0x94e5d40"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.085623582, duration: 0:00:00.023219954,
offset: 3775, offset_end: 4799, flags: 0) 0x94e5de0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.108843537, duration: 0:00:00.023219954,
offset: 4799, offset_end: 5823, flags: 0) 0x94e5d90"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.132063492, duration: 0:00:00.023219954,
offset: 5823, offset_end: 6847, flags: 0) 0x94e5cf0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.155283446, duration: 0:00:00.023219954,
offset: 6847, offset_end: 7871, flags: 0) 0x94e5c50"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.178503401, duration: 0:00:00.023219954,
offset: 7871, offset_end: 8895, flags: 0) 0x94e5b90"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.201723356, duration: 0:00:00.023219954,
offset: 8895, offset_end: 9919, flags: 0) 0x94e5af0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.224943310, duration: 0:00:00.023219954,
offset: 9919, offset_end: 10943, flags: 0) 0x94e5aa0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.248163265, duration: 0:00:00.023219954,
offset: 10943, offset_end: 11967, flags: 0) 0x94e59b0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.271383219, duration: 0:00:00.023219954,
offset: 11967, offset_end: 12991, flags: 0) 0x94e5910"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.268480725, duration: 0:00:00.023219955,
offset: 11840, offset_end: 12864, flags: 0) 0x94e5870"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.314920634, duration: 0:00:00.023219954,
offset: 13887, offset_end: 14911, flags: 0) 0x94e58c0"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.338140589, duration: 0:00:00.023219954,
offset: 14911, offset_end: 15935, flags: 0) 0x94e5960"
/GstPipeline:pipeline0/GstFakeSink:fakesink0: last-message = "chain   ******* <
( 8192 bytes, timestamp: 0:00:00.361360544, duration: 0:00:00.023219954,
offset: 15935, offset_end: 16959, flags: 0) 0x94e5a00"

Commenting out the part of oggdemux that applies timestamps to outgoing
buffers, to restore the vorbisdec interpretation and interpolation of
granulepos fixes it.

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