[FFmpeg-devel] [PATCH 2/4] wmavoice: disable bitstream checking.

[Michael Niedermayer]

On Tue, Dec 20, 2016 at 07:51:05PM -0500, Ronald S. Bultje wrote:
> Hi,
> 
> On Tue, Dec 20, 2016 at 7:44 PM, Michael Niedermayer <michael at niedermayer.cc
> > wrote:
> 
> > On Tue, Dec 20, 2016 at 05:23:06PM -0500, Ronald S. Bultje wrote:
> > > The checked bitstream reader does that already. To allow parsing of
> > > superframes split over a packet boundary, we always decode the last
> > > superframe in each packet at the start of the next packet, even if
> > > theoretically we could have decoded it. The last superframe in the
> > > last packet is decoded using AV_CODEC_CAP_DELAY.
> > > ---
> > >  libavcodec/wmavoice.c | 144 ++++++++++--------------------
> > --------------------
> > >  1 file changed, 29 insertions(+), 115 deletions(-)
> >
> > this causes
> >
> > tickets/1708/mss2_speech.wmv
> >
> > to show
> > [wmavoice @ 0x7f7ec40726c0] WMAPro-in-WMAVoice is not implemented. Update
> > your FFmpeg version to the newest one from Git. If the problem still
> > occurs, it means that your file has a feature which has not been
> > implemented.
> > [wmavoice @ 0x7f7ec40726c0] If you want to help, upload a sample of this
> > file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel
> > mailing list. (ffmpeg-devel at ffmpeg.org)
> > [wmavoice @ 0x7f7ec40726c0] WMAPro-in-WMAVoice is not implemented. Update
> > your FFmpeg version to the newest one from Git. If the problem still
> > occurs, it means that your file has a feature which has not been
> > implemented.
> > [wmavoice @ 0x7f7ec40726c0] If you want to help, upload a sample of this
> > file to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel
> > mailing list. (ffmpeg-devel at ffmpeg.org)
> 
> 
> See http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2016-December/204656.html
> 
> To confirm that's the issue, did the md5 change? If not, then it's a great
> sample file and you should file a ticket so I finally have a valid sample
> to implement wmapro-in-voice decoding (I still don't have any).

The framecrc from before and after your patchset changes
file should be here:

http://samples.mplayerhq.hu/V-codecs/MSS2/mss2_speech.wmv

[...]
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