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MediaPortal 1
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Strange Playback Issue with .TS Files
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<blockquote data-quote="mm1352000" data-source="post: 1184711" data-attributes="member: 82144"><p>[USER=83973]@Owlsroost[/USER]</p><p>Sea Monkey has been kind enough to supply a sample. In this case the DTS HD audio stream is identified by the following:</p><ol> <li data-xf-list-type="ol">MPEG registration descriptor (tag = 0x05) in the program info descriptor loop of the PMT. The format_identifier is "HDMV", which is <a href="https://smpte-ra.org/registered-mpeg-ts-ids" target="_blank">registered by Sony</a> for Blu-Ray specification compliance.<br /> </li> <li data-xf-list-type="ol">PMT stream_type 0x86. According to libbluray that is DTS HD MA.</li> </ol><p>In other words, it appears like the stream meta-data has been encoded in a way that would be compliant with a Blu-Ray. However the actual content is a broadcast TV program. I'm not sure if this mismatch is original to the source (eg. a proprietary/private broadcast feed) or whether it's due to post-processing.</p><p></p><p>From a TsWriter perspective I don't think it's necessary to add support for this unless the encoding is original to the source (which I strongly doubt).</p><p></p><p>From a TsReader perspective I think the choice would be up to you.</p><p></p><p>[edit: A couple of potentially useful stream_type references:</p><p><a href="https://www.videolan.org/developers/libbluray/doc/doxygen/html/bluray_8h_source.html" target="_blank">https://www.videolan.org/developers/libbluray/doc/doxygen/html/bluray_8h_source.html</a></p><p><a href="https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/master:/libavformat/mpegts.h" target="_blank">https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/master:/libavformat/mpegts.h</a></p><p>]</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1184711, member: 82144"] [USER=83973]@Owlsroost[/USER] Sea Monkey has been kind enough to supply a sample. In this case the DTS HD audio stream is identified by the following: [LIST=1] [*]MPEG registration descriptor (tag = 0x05) in the program info descriptor loop of the PMT. The format_identifier is "HDMV", which is [URL='https://smpte-ra.org/registered-mpeg-ts-ids']registered by Sony[/URL] for Blu-Ray specification compliance. [*]PMT stream_type 0x86. According to libbluray that is DTS HD MA. [/LIST] In other words, it appears like the stream meta-data has been encoded in a way that would be compliant with a Blu-Ray. However the actual content is a broadcast TV program. I'm not sure if this mismatch is original to the source (eg. a proprietary/private broadcast feed) or whether it's due to post-processing. From a TsWriter perspective I don't think it's necessary to add support for this unless the encoding is original to the source (which I strongly doubt). From a TsReader perspective I think the choice would be up to you. [edit: A couple of potentially useful stream_type references: [URL]https://www.videolan.org/developers/libbluray/doc/doxygen/html/bluray_8h_source.html[/URL] [URL]https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/refs/heads/master:/libavformat/mpegts.h[/URL] ] [/QUOTE]
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