[Gstreamer-bugs] [Bug 142585] New: - gstresample makes wrong assumption about buffer sizes (segfault)

[bugzilla-daemon at bugzilla.gnome.org]

http://bugzilla.gnome.org/show_bug.cgi?id=142585
GStreamer | gst-plugins | Ver: HEAD CVS

           Summary: gstresample makes wrong assumption about buffer sizes
                    (segfault)
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins
        AssignedTo: gstreamer-maint at bugzilla.gnome.org
        ReportedBy: v.merkatz at gmx.net
         QAContact: gstreamer-maint at bugzilla.gnome.org


Sending audioscale a 1 second audio buffer with 44100 Hz samplerate, 16 bit, 2
channels:

#0  0x41b6ed8d in gst_resample_sinc_ft_s16 (r=0x82179c0) at resample.c:554
554         out_tmp[2 * i + 0] = c0;
(gdb) bt
#0  0x41b6ed8d in gst_resample_sinc_ft_s16 (r=0x82179c0) at resample.c:554
#1  0x41b6e113 in gst_resample_scale (r=0x82179c0, i_buf=0x423af008, 
    i_size=184320) at resample.c:211
#2  0x4118d6a1 in gst_audioscale_chain (pad=0x83110b0, _data=0x8063728)
    at gstaudioscale.c:424
#3  0x40055f7f in gst_pad_call_chain_function (pad=0x83110b0, data=0x8063728)
    at gstpad.c:4320
#4  0x40052ee7 in gst_pad_push (pad=0x401290b8, data=0x8063728)
    at gstpad.c:3155
#5  0x4108896b in gst_tta_decode_chain (pad=0x8310e98, in=0x80636b4)
    at tta-decode.c:468
#6  0x40055f7f in gst_pad_call_chain_function (pad=0x8310e98, data=0x80636b4)
    at gstpad.c:4320
#7  0x40052ee7 in gst_pad_push (pad=0x401290b8, data=0x80636b4)
    at gstpad.c:3155
#8  0x410874e4 in gst_tta_parse_chain (pad=0x8310c10, in=0x8063728)
    at tta-parse.c:302
#9  0x40055f7f in gst_pad_call_chain_function (pad=0x8310c10, data=0x8063728)
    at gstpad.c:4320
[...]

The problem is that gstresample only uses a buffer of (hardcoded) 10.000 bytes
for its output, which is just way too small for one second of audio.

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