[vlc-devel] Re: Fix for mms RESET packets
jean-paul.saman at planet.nl
Sun Dec 18 00:08:56 CET 2005
Patch applied, with some coding style fixes.
Thanks for contributing.
Gregory Hartman wrote:
> I have been trying to use vlc to listen to Naxos Radio under Debian
> Sarge. I am using the shipped version of Firefox, VLC, and the Mozilla
> plugin. When I go to the site:
> http://www.naxosradio.com and select a channel I hear music until the
> end of a song.
> I noticed that I was getting an error:
> invalid chunk FATAL (0x4324), so I did more investigation.
> It turns out that this web site inserts an 8 byte packet at the end of
> each some with type 0x4324. This seems to correspond to CHUNK_TYPE_RESET
> in the MMS protocol.
> VLC needs two modifications to continue to decode the stream:
> 1. It should recognize 0x4324 as a valid packet
> 2. It needs to avoid reading 12 bytes for the packet headers, since the
> reset packet is only 8 bytes
> The sequence numbers appear to go back to 0 after this packet, but the
> code already handles this condition.
> The attached patch against 0.8.4a fixes the problem. I also checked this
> against the most recent snapshot and it looks like the patch should
> still apply.
> I don't know the MMS protool well. There may have been a reason for
> ignoring the length field and always reading 12 bytes of header data. If
> so the header reading modification should probably be made sensitive to
> the packet type.
> Let me know if there is anything else that I need to do.
> Greg Hartman
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