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

[Ronald S. Bultje]

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).

Ronald