[gstreamer-bugs] [Bug 607848] New: typefind wrong classifies mp4 file as mp3

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Sat Jan 23 00:40:46 PST 2010 

https://bugzilla.gnome.org/show_bug.cgi?id=607848
  GStreamer | gst-plugins-base | git

           Summary: typefind wrong classifies mp4 file as mp3
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: tester at tester.ca
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


The file is 800megs, so I can't upload it... but here's a typefind debug log.. 
I should also mention that mplayer correctly recognizes it as a mp4 file.


tester at TesterBox ~/collabora/gst-plugins-base $ GST_DEBUG=*typefind*:5
gst-launch-0.10 -v filesrc location=/home/tester/down/file.mp4 ! typefind !
fakesink |head -n 20

(gst-plugin-scanner:26966): GLib-GObject-WARNING **: cannot register existing
type `GstQueue2'

(gst-plugin-scanner:26966): GStreamer-CRITICAL **: gst_element_register:
assertion `g_type_is_a (type, GST_TYPE_ELEMENT)' failed
Setting pipeline to PAUSED ...
0:00:00.529553994 26964       0x6070b0 DEBUG               typefind
gsttypefindelement.c:635:gst_type_find_get_extension:<typefindelement0> finding
extension of file://%2Fhome%2Ftester%2Fdown%2Ffile.mp4
0:00:00.529630591 26964       0x6070b0 DEBUG               typefind
gsttypefindelement.c:651:gst_type_find_get_extension:<typefindelement0> found
extension mp4
0:00:00.531378121 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/png with the first 8 bytes of data
0:00:00.531932760 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:823:mp3_type_frame_length_from_header: mp3typefind:
calculated mp3 frame length of 384 bytes
0:00:00.532012741 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:826:mp3_type_frame_length_from_header: mp3typefind:
samplerate = 48000 - bitrate = 128 - layer = 3 - version = 3 - channels = 2
0:00:00.532064260 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:948:mp3_type_find_at_offset: found 1. header at offset
44 (0x2C)
0:00:00.532112760 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:823:mp3_type_frame_length_from_header: mp3typefind:
calculated mp3 frame length of 384 bytes
0:00:00.532162348 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:826:mp3_type_frame_length_from_header: mp3typefind:
samplerate = 48000 - bitrate = 128 - layer = 3 - version = 3 - channels = 2
0:00:00.532210600 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:948:mp3_type_find_at_offset: found 2. header at offset
428 (0x1AC)
0:00:00.532260128 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:823:mp3_type_frame_length_from_header: mp3typefind:
calculated mp3 frame length of 384 bytes
0:00:00.532307751 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:826:mp3_type_frame_length_from_header: mp3typefind:
samplerate = 48000 - bitrate = 128 - layer = 3 - version = 3 - channels = 2
0:00:00.532357090 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:948:mp3_type_find_at_offset: found 3. header at offset
812 (0x32C)
0:00:00.532405318 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:823:mp3_type_frame_length_from_header: mp3typefind:
calculated mp3 frame length of 384 bytes
0:00:00.532453819 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:826:mp3_type_frame_length_from_header: mp3typefind:
samplerate = 48000 - bitrate = 128 - layer = 3 - version = 3 - channels = 2
0:00:00.532504086 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:948:mp3_type_find_at_offset: found 4. header at offset
1196 (0x4AC)
0:00:00.532552922 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:823:mp3_type_frame_length_from_header: mp3typefind:
calculated mp3 frame length of 384 bytes
0:00:00.532601498 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:826:mp3_type_frame_length_from_header: mp3typefind:
samplerate = 48000 - bitrate = 128 - layer = 3 - version = 3 - channels = 2
0:00:00.532650172 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:948:mp3_type_find_at_offset: found 5. header at offset
1580 (0x62C)
0:00:00.532699077 26964       0x6070b0 INFO       typefindfunctions
gsttypefindfunctions.c:976:mp3_type_find_at_offset: audio/mpeg calculated 99  =
 100  *  5 / 5  *  (10000 - 44) / 10000
0:00:00.532778219 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-amr-nb-sh with the first 5 bytes of data
0:00:00.532790032 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-amr-wb-sh with the first 7 bytes of data
0:00:00.532816889 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-imelody with the first 13 bytes of data
0:00:00.532851328 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/gif with the first 4 bytes of data
0:00:00.533992586 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:1830:mpeg4_video_type_find: Found 6 pictures, vios: 1,
vos:1, vol:0
0:00:00.534042177 26964       0x6070b0 DEBUG      typefindfunctions
gsttypefindfunctions.c:1915:h264_video_type_find: good 0 bad 1
0:00:00.534064363 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
video/x-vcd with the first 12 bytes of data
0:00:00.534161801 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/msword with the first 8 bytes of data
0:00:00.534173216 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/octet-stream with the first 8 bytes of data
0:00:00.534184298 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/pdf with the first 5 bytes of data
0:00:00.534228502 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/vnd.rn-realmedia with the first 4 bytes of data
0:00:00.534249202 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-bzip with the first 3 bytes of data
0:00:00.534260800 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-compress with the first 2 bytes of data
0:00:00.534271945 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-gzip with the first 2 bytes of data
0:00:00.534289010 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-pn-realaudio with the first 4 bytes of data
0:00:00.534301146 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-rar with the first 4 bytes of data
0:00:00.534318894 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/zip with the first 4 bytes of data
0:00:00.534334633 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-ay with the first 8 bytes of data
0:00:00.534346171 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-gbs with the first 4 bytes of data
0:00:00.555550879 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-gym with the first 4 bytes of data
0:00:00.555624659 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-kss with the first 5 bytes of data
0:00:00.555683829 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-nist with the first 4 bytes of data
0:00:00.555737375 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-nsf with the first 5 bytes of data
0:00:00.555793556 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-sap with the first 12 bytes of data
0:00:00.555870600 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-spc with the first 27 bytes of data
0:00:00.555887410 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-vgm with the first 4 bytes of data
0:00:00.555897627 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-voc with the first 8 bytes of data
0:00:00.555907697 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-w64 with the first 4 bytes of data
0:00:00.555965023 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/vnd.adobe.photoshop with the first 10 bytes of data
0:00:00.555979531 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/x-jng with the first 8 bytes of data
0:00:00.556014769 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/x-sun-raster with the first 4 bytes of data
0:00:00.556029046 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/x-xcf with the first 8 bytes of data
0:00:00.556039218 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
image/x-xpixmap with the first 9 bytes of data
0:00:00.556084970 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
video/x-flv with the first 3 bytes of data
0:00:00.556096720 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
video/x-mng with the first 8 bytes of data
0:00:00.556107312 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
video/x-ms-asf with the first 16 bytes of data
0:00:00.556117421 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
video/x-mve with the first 26 bytes of data
0:00:00.556130201 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
application/x-executable with the first 4 bytes of data
0:00:00.556145631 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3447:start_with_type_find: trying to find mime type
audio/x-sid with the first 4 bytes of data
0:00:00.562666196 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:2014:mpeg_video_stream_type_find: Found 0 pictures,
seq:1, gop:0
0:00:00.562810284 26964       0x6070b0 DEBUG      typefindfunctions
gsttypefindfunctions.c:3403:xdgmime_typefind: Got mimetype 'video/mp4'
0:00:00.562819372 26964       0x6070b0 LOG        typefindfunctions
gsttypefindfunctions.c:3415:xdgmime_typefind: Ignoring audio/video mime type
0:00:00.562957664 26964       0x6070b0 INFO                typefind
gsttypefindelement.c:167:gst_type_find_element_have_type:<typefindelement0>
found caps audio/mpeg, mpegversion=(int)1, layer=(int)3, probability=99
/GstPipeline:pipeline0/GstTypeFindElement:typefindelement0.GstPad:src: caps =
audio/mpeg, mpegversion=(int)1, layer=(int)3
Pipeline is PREROLLING ...

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