forked from rc/aircox
rewrite streamer and controller -- much cleaner and efficient; continue to work on new architecture
This commit is contained in:
bkfox
@ -1,171 +0,0 @@
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{% comment %}
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TODO: update doc
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Base configuration file to configure a station on liquidsoap.
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# Interactive elements:
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An interactive element is accessible to the people, in order to:
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- get metadata
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- seek
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- skip the current sound
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- enable/disable it
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# Element of the context
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We use theses elements from the template's context:
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- controller: controller describing the station itself
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- settings: global settings
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# Overwrite the template
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It is possible to overwrite the template, there are blocks at different
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position in order to do it. Keep in mind that you might want to avoid to
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put station specific configuration in the template itself.
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{% endcomment %}
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{% block functions %}
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{% comment %}
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Seek function
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{% endcomment %}
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def seek(source, t) =
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t = float_of_string(default=0.,t)
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ret = source.seek(source,t)
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log("seek #{ret} seconds.")
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"#{ret}"
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end
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{% comment %}
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Transition to live sources
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{% endcomment %}
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def to_live(stream,live)
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stream = fade.final(duration=2., type='log', stream)
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live = fade.initial(duration=2., type='log', live)
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add(normalize=false, [stream,live])
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end
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{% comment %}
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Transition to stream sources
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{% endcomment %}
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def to_stream(live,stream)
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source.skip(stream)
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add(normalize=false, [live,stream])
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end
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{% comment %}
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An interactive source is a source that:
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- is skippable through the given id on external interfaces
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- is seekable through the given id and amount of seconds on e.i.
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- can be disabled
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- store metadata
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{% endcomment %}
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def interactive_source (id, s, ~active=true, ~disable_switch=false) =
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server.register(namespace=id,
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description="Seek to a relative position",
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usage="seek <duration>",
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"seek", fun (x) -> begin seek(s, x) end)
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s = store_metadata(id=id, size=1, s)
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add_skip_command(s)
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if disable_switch then
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s
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else
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at(interactive.bool('#{id}_active', active), s)
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end
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end
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{% comment %}
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A stream is a source that:
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- is a playlist on random mode (playlist object accessible at {id}_playlist
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- is interactive
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{% endcomment %}
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def stream (id, file) =
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s = playlist(id = '#{id}_playlist', mode = "random", reload_mode='watch', file)
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interactive_source(id, s)
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end
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{% endblock %}
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{% block functions_extras %}
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{% endblock %}
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{% block config %}
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set("server.socket", true)
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set("server.socket.path", "{{ station.streamer.socket_path }}")
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set("log.file.path", "{{ station.path }}/liquidsoap.log")
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{% for key, value in settings.AIRCOX_LIQUIDSOAP_SET.items %}
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set("{{ key|safe }}", {{ value|safe }})
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{% endfor %}
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{% endblock %}
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{% block config_extras %}
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{% endblock %}
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{% block sources %}
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live = fallback([
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{% with source=station.dealer %}
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interactive_source('{{ source.id }}',
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playlist.once(reload_mode='watch', "{{ source.path }}"),
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active=false
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),
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{% endwith %}
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])
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stream = fallback([
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rotate([
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{% for source in station.sources %}
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{% if source != station.dealer %}
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{% with stream=source.stream %}
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{% if stream.delay %}
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delay({{ stream.delay }}.,
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stream("{{ source.id }}", "{{ source.path }}")),
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{% elif stream.begin and stream.end %}
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at({ {{stream.begin}}-{{stream.end}} },
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stream("{{ source.id }}", "{{ source.path }}")),
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{% else %}
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stream("{{ source.id }}", "{{ source.path }}"),
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{% endif %}
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{% endwith %}
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{% endif %}
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{% endfor %}
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]),
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blank(id="blank", duration=0.1),
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])
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{% endblock %}
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{% block sources_extras %}
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{% endblock %}
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{% block station %}
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{{ station.streamer.id }} = interactive_source (
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"{{ station.streamer.id }}",
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fallback(
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track_sensitive=false,
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transitions=[to_live,to_stream],
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[ live, stream ]
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),
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disable_switch=true
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)
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{% endblock %}
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{% block station_extras %}
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{% endblock %}
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{% block outputs %}
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{% for output in station.outputs %}
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output.{{ output.get_type_display }}(
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{% if output.settings %}
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{{ output.settings|safe }},
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{% endif %}
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{{ station.streamer.id }}
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)
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{% endfor %}
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{% endblock %}
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{% block output_extras %}
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{% endblock %}
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125
aircox/templates/aircox/scripts/station.liq
Executable file
125
aircox/templates/aircox/scripts/station.liq
Executable file
@ -0,0 +1,125 @@
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{% comment %}
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Base liquidsoap station configuration.
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[stream] +--> streams ---+---> station
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|
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dealer ---'
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{% endcomment %}
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{% block functions %}
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{# Seek function #}
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def seek(source, t) =
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t = float_of_string(default=0.,t)
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ret = source.seek(source,t)
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log("seek #{ret} seconds.")
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"#{ret}"
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end
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{# Transition to live sources #}
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def to_live(stream, live)
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stream = fade.final(duration=2., type='log', stream)
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live = fade.initial(duration=2., type='log', live)
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add(normalize=false, [stream,live])
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end
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{# Transition to stream sources #}
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def to_stream(live, stream)
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source.skip(stream)
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add(normalize=false, [live,stream])
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end
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{% comment %}
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An interactive source is a source that:
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- is skippable through the given id on external interfaces
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- is seekable through the given id and amount of seconds on e.i.
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- store metadata
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{% endcomment %}
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def interactive (id, s) =
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server.register(namespace=id,
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description="Seek to a relative position",
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usage="seek <duration>",
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"seek", fun (x) -> begin seek(s, x) end)
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s = store_metadata(id=id, size=1, s)
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add_skip_command(s)
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s
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end
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{% comment %}
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A stream is an interactive playlist
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{% endcomment %}
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def stream (id, file) =
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s = playlist(mode = "random", reload_mode='watch', file)
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interactive(id, s)
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end
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{% endblock %}
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{% block config %}
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set("server.socket", true)
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set("server.socket.path", "{{ streamer.socket_path }}")
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set("log.file.path", "{{ station.path }}/liquidsoap.log")
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{% for key, value in settings.AIRCOX_LIQUIDSOAP_SET.items %}
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set("{{ key|safe }}", {{ value|safe }})
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{% endfor %}
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{% endblock %}
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{% block config_extras %}
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{% endblock %}
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{% block sources %}
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{% with source=streamer.dealer %}
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live = interactive('{{ source.id }}',
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request.queue(id="{{ source.id }}_queue")
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)
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{% endwith %}
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streams = rotate(id="streams", [
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{% for source in streamer.sources %}
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{% if source != streamer.dealer %}
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{% with stream=source.stream %}
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{% if stream.delay %}
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delay({{ stream.delay }}.,
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stream("{{ source.id }}", "{{ source.path }}")),
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{% elif stream.begin and stream.end %}
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at({ {{stream.begin}}-{{stream.end}} },
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stream("{{ source.id }}", "{{ source.path }}")),
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{% else %}
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stream("{{ source.id }}", "{{ source.path }}"),
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{% endif %}
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{% endwith %}
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{% endif %}
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{% endfor %}
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])
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{% endblock %}
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{% block station %}
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{{ streamer.id }} = interactive (
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"{{ streamer.id }}",
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fallback([
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live,
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streams,
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blank(id="blank", duration=0.1)
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], track_sensitive=false, transitions=[to_live,to_stream])
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)
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{% endblock %}
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{% block outputs %}
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{% for output in streamer.outputs %}
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output.{{ output.get_type_display }}(
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{% if output.settings %}
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{{ output.settings|safe }},
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{% endif %}
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{{ streamer.id }}
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)
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{% endfor %}
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{% endblock %}
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