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a/doc/sc2mpd.txt |
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b/doc/sc2mpd.txt |
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The link:http://www.linn.co.uk/[Linn] *Songcast* protocol distributes an
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The link:http://www.linn.co.uk/[Linn] *Songcast* protocol distributes an
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audio stream on a local network so that multiple hosts (_Receivers_) can
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audio stream on a local network so that multiple hosts (_Receivers_) can
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play quasi-synchronously from a single source (_Sender_).
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play quasi-synchronously from a single source (_Sender_).
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The audio source can be a
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The audio source (Sender) can be a
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link:http://www.linn.co.uk/software#songcast[Songcast application]
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link:http://www.linn.co.uk/software#songcast[Songcast application]
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installed on a Windows or Mac host. This will allow capturing and
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installed on a Windows or Mac host. This will allow capturing and
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broadcasting the audio from *any* local application (e.g. Spotify, Kobuz,
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broadcasting the audio from *any* local application (e.g. Spotify, Kobuz,
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Tidal, Windows Media Player etc.).
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Tidal, Windows Media Player etc.).
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The audio source can also be a Unix/Linux host running *upmpdcli*/*sc2mpd*,
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The audio source can also be a Unix/Linux host running *upmpdcli*/*sc2mpd*,
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configuration].
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configuration].
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== Upmpdcli Sender mode
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== Upmpdcli Sender mode
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You can set *umpdcli* in _Sender_ mode from an OpenHome-capable Control
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You can set *umpdcli* in _Sender_ mode from an OpenHome-capable Control
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Point, by selecting the Source of type `Playlist`, name `SenderReceiver`.
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Point, by selecting the Source of type `Playlist`, name `SenderReceiverPL`
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(playlist) or `SenderReceiverRD` (radio).
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The *sc2mpd* configuration must be set to play directly to Alsa for the
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The *sc2mpd* configuration must be set to play directly to Alsa for the
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SenderReceiver source to appear. See the
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`SenderReceiverXX` sources to appear. See the
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link:sc2mpd.html#Configuration[configuration section], and
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link:sc2mpd.html#Configuration[configuration section], and
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link:scmulti.html[the page about synchronisation].
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link:scmulti.html[the page about synchronisation].
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Selecting the source can be done, for example, from the
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Selecting the source can be done, for example, from the
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link:http://www.lesbonscomptes.com/upplay/index.html[upplay]
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link:http://www.lesbonscomptes.com/upplay/index.html[upplay]
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Playlist mode from the Control Point. The audio is played locally through
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Playlist mode from the Control Point. The audio is played locally through
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the Songcast _Receiver_. Other _Receivers_ can be connected and will play
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the Songcast _Receiver_. Other _Receivers_ can be connected and will play
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in good synchronization.
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in good synchronization.
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image::upmpdcli-sender-receiver.png["Sender/Receiver mode"]
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image::upmpdcli-sender-receiver.png["Sender/Receiver mode"]
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This looks complicated, but in practise, starting the mode and connecting
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other Receivers from the `upplay` control panel is quite easy.
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=== Managing external sources
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In the `Sender` modes described above, `upmpdcli` (or rather its slave
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MPD process) is the source of the audio stream.
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It is also possible to set things up so that an external source (e.g. a
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line in) can be connected to the Songcast Sender, allowing multiroom
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playing of any external source. See the comments in the
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https://github.com/medoc92/upmpdcli/commit/491e4501c3a01f6cca2736ee3a5f135b1b8401fb[sample script in the upmpdcli source tree].
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[[whatis_songcast]]
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[[whatis_songcast]]
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== More Details on Songcast
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== More Details on Songcast
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*Songcast* is a protocol for transporting audio streams across the network,
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*Songcast* is a protocol for transporting audio streams across the network,
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