[Bug 683622] New: [flvdemux] Internal flow error when demuxing speex

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Sat Sep 8 06:13:49 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=683622
  GStreamer | gst-plugins-good | git

           Summary: [flvdemux] Internal flow error when demuxing speex
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: shreddingwork at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Currently speexdec expects streamheader and vorbiscomment to be present in
caps: vital speex header is extracted/generated from the former. In case these
2 are absent in caps, first 2 packets are treated as these two.
In FLV format speex data is always present in Mono, Wideband as stated here:
http://download.macromedia.com/f4v/video_file_format_spec_v10_1.pdf (document
page 71).
So, there is no speex header present in FLV and flvdemux generates none. 
This situation leads to speexdec trying to generate header from the first
packet using speex_packet_to_header libspeex routine, which fails, and message
"This doesn't look like a Speex file" is printed out.

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