[Bug 701170] New: Low fps when playing 1080p video on Raspberry Pi Model B

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=701170
  GStreamer | gst-omx | 1.0.6

           Summary: Low fps when playing 1080p video on Raspberry Pi Model
                    B
    Classification: Platform
           Product: GStreamer
           Version: 1.0.6
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-omx
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: kulakov.ilya at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


I'm trying to play the 1080p movie
(http://samplemedia.linaro.org/H264/big_buck_bunny_1080p_H264_AAC_25fps_7200K.MP4)
using the following pipeline:

filesrc location=… ! \
qtdemux ! \
queue max-size-bytes=10000000 ! \
h264parse ! \
omxh264dec ! \
queue max-size-buffers=4 ! \
eglglessink

unfortunately many frames are dropped. If I run this pipeline with
--gst-debugging-level=2, there is a bunch of messages like:
    omxvideodec
gstomxvideodec.c:1489:gst_omx_video_dec_loop:<omxh264dec-omxh264dec0> Frame is
too late, dropping (deadline 0:00:00.029042840)

In the other hand omxplayer (https://github.com/huceke/omxplayer) plays the
same movie smoothly.

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