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POPlayback of a streamed wave is cut while played in WMP
 

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  1. POPlayback of a streamed wave is cut while played in WMP
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    <p>We're using WMPLib as an embedded player in our C# application but this issue occurs also in Windows Media Player.</p> <p>Our server streams audio and has streaming with offset enabled. Given URL:</p> <pre><code>http://ourserver.com/playback?id=400 </code></pre> <p>which returns an octet or x-wave stream (both does not work).</p> <p>The WMP starts buffering and playing the 2 mins long wave file from given URL (everything works fine) but when I grab and drop the track slider to something about 90% of its length, the playback is cut off and WMP displays general audio error (c00d11b1). When I drop the slider closer (10-20% further) the playback continues without any errors and is played with offset properly. I'm using Windows 7 Home Premium 64 bit.</p> <p>When I'm using the same URL in other media player applications (VLC), no error occurs.</p> <p>What causes such issue?</p> <p>TCP packets from this situation:</p> <p><em>WMP=>Server - get the wave</em></p> <pre><code>GET http://ourserver.com/playback?id=400 Cache-Control: no-cache Connection: Keep-Alive Pragma: getIfoFileURI.dlna.org Accept: */* Cookie: PHPSESSID=7e5156ec44280a9210570158c5d31475 User-Agent: NSPlayer/12.00.7601.17514 WMFSDK/12.00.7601.17514 GetContentFeatures.DLNA.ORG: 1 Host: 192.168.0.5 </code></pre> <p><em>Server=>WMP - return file</em></p> <pre><code>HTTP/1.1 200 OK X-Powered-By: PHP/5.3.6 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-cache Pragma: no-cache Content-Description: File Transfer Content-Type: application/octet-stream Content-Transfer-Encoding: binary Content-Dis; filename="sound.wav" Content-Length: 833658 Accept-Ranges: bytes Date: Tue, 02 Apr 2013 10:46:01 GMT Server: lighttpd/1.4.28 </code></pre> <p><em>The sound is played, we move the slider... WMP=>Server - get the sound with offset (set in range)</em></p> <pre><code>GET http://ourserver.com/playback?id=400 Cache-Control: no-cache Connection: Keep-Alive Pragma: getIfoFileURI.dlna.org Accept: */* Cookie: PHPSESSID=7e5156ec44280a9210570158c5d31475 Range: bytes=733184-833657 User-Agent: NSPlayer/12.00.7601.17514 WMFSDK/12.00.7601.17514 GetContentFeatures.DLNA.ORG: 1 Host: 192.168.0.5 </code></pre> <p><em>Server=>WMP - returns sound</em> </p> <pre><code>HTTP/1.1 206 Partial Content X-Powered-By: PHP/5.3.6 Expires: Thu, 19 Nov 1981 08:52:00 GMT Content-Range: bytes 733184-833657/ Cache-Control: no-cache Pragma: no-cache Content-Description: File Transfer Content-Type: application/octet-stream Content-Transfer-Encoding: binary Content-Dis; filename="sound.wav" Content-Length: 833658 Accept-Ranges: bytes Date: Tue, 02 Apr 2013 10:46:10 GMT Server: lighttpd/1.4.28 </code></pre> <p><em>The stream continues but WMP cuts off playback and shows error.</em></p> <p>How can we fix this? Thanks for any help.</p>
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