[Bug 728139] New: avenc_aac deadlocks upon exit

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=728139
  GStreamer | gst-libav | 1.2.3

           Summary: avenc_aac deadlocks upon exit
    Classification: Platform
           Product: GStreamer
           Version: 1.2.3
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-libav
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: msameer at foolab.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


This pipeline seems to deadlock upon interrupting it with ^c

gst-launch-1.0 -e audiotestsrc ! audioconvert ! avenc_aac compliance=-2 !
fakesink

I tried the same pipeline with flacenc instead of avenc_aac and it does not
deadlock.

this is what valgrind shows:
==7510== Thread #1: Exiting thread still holds 2 locks
==7510==    at 0x4B5C8D0: __lll_lock_wait (lowlevellock.c:49)
==7510==    by 0x4B570A3: pthread_mutex_lock (pthread_mutex_lock.c:82)
==7510==    by 0x483BF6B: pthread_mutex_lock (hg_intercepts.c:510)
==7510==    by 0x514BA23: gst_audio_encoder_sink_activate_mode
(gstaudioencoder.c:1977)
==7510==    by 0x48B5007: gst_pad_activate_mode (gstpad.c:1083)
==7510==    by 0x48B5B3B: gst_pad_set_active (gstpad.c:969)
==7510==    by 0x48951F3: activate_pads (gstelement.c:2687)
==7510==    by 0x48A675F: gst_iterator_fold (gstiterator.c:614)
==7510==    by 0x489555B: iterator_activate_fold_with_resync.constprop.3
(gstelement.c:2707)
==7510==    by 0x489789F: gst_element_pads_activate (gstelement.c:2751)
==7510==    by 0x4897C0B: gst_element_change_state_func (gstelement.c:2815)
==7510==    by 0x514BF73: gst_audio_encoder_change_state
(gstaudioencoder.c:533)
==7510== 
==7510== ----------------------------------------------------------------
==7510== 
==7510== Thread #2: Exiting thread still holds 4 locks
==7510==    at 0x483D8F0: memcpy (hg_intercepts.c:2610)
==7510==    by 0x575D2EB: psy_3gpp_analyze (aacpsy.c:750)
==7510==    by 0x56EA8B7: aac_encode_frame (aacenc.c:599)
==7510==    by 0x5648B8B: avcodec_encode_audio2 (utils.c:1001)
==7510==    by 0x52F5437: gst_ffmpegaudenc_encode_audio (gstavaudenc.c:519)
==7510==    by 0x52F5B53: gst_ffmpegaudenc_handle_frame (gstavaudenc.c:574)
==7510==    by 0x514E763: gst_audio_encoder_push_buffers
(gstaudioencoder.c:978)
==7510==    by 0x51518BB: gst_audio_encoder_sink_event_default
(gstaudioencoder.c:1487)
==7510==    by 0x514B77F: gst_audio_encoder_sink_event (gstaudioencoder.c:1571)
==7510==    by 0x48AEFB7: gst_pad_send_event_unchecked (gstpad.c:5035)
==7510==    by 0x48AF7F7: gst_pad_push_event_unchecked (gstpad.c:4731)
==7510==    by 0x48AFE27: push_sticky (gstpad.c:3370)
==7510==

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