[FFmpeg-devel] [PATCH] mms: also discover streams in extended stream properties object

Marton Balint cus
Sat Feb 19 19:20:21 CET 2011


On Sat, 19 Feb 2011, Ronald S. Bultje wrote:
> Hi Marton,
>
> On Sat, Feb 19, 2011 at 11:56 AM, Marton Balint <cus at passwd.hu> wrote:
>> Hi,
>>
>> Currently only the streams which are in an asf_stream_header object are
>> discovered by the ff_mms_asf_header_parser function. This means that the
>> streams that are in an asf_ext_stream_header object are missing. The
>> attached patch parses the asf_ext_stream_header object and finds the
>> embedded asf_stream_header object in it, so from now these previously missed
>> streams will be parsed as well. The patch is based on a similar approach in
>> VLC.
>
> Do you have a sample stream that requires this?

This is typical for multi bitrate streams. Check this for example:

mmsh://wmscr1.dr.dk/e02ch03m

Regards,
   Marton



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