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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| #!/usr/bin/env python3 | ||
| import logging | ||
| import re | ||
|
|
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| from lib.config import Config | ||
| from lib.sources.avsource import AVSource | ||
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| class AJAAVSource(AVSource): | ||
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| timer_resolution = 0.5 | ||
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| def __init__(self, name, has_audio=True, has_video=True): | ||
| super().__init__('AJAAVSource', name, has_audio, has_video, show_no_signal=True) | ||
|
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| self.device = Config.getAJADeviceIdentifier(name) | ||
| self.input_channel = Config.getAJAInputChannel(name) | ||
| self.vmode = Config.getAJAVideoMode(name) | ||
| self.asrc = Config.getAJAAudioSource(name) | ||
| self.name = name | ||
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| self.signalPad = None | ||
| self.build_pipeline() | ||
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| def port(self): | ||
| return "AJA #{}".format(self.device) | ||
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| def attach(self, pipeline): | ||
| super().attach(pipeline) | ||
| self.signalPad = pipeline.get_by_name( | ||
| f'ajasrc-{self.name}') | ||
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| def num_connections(self): | ||
| return 1 if self.signalPad and self.signalPad.get_property('signal') else 0 | ||
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| def get_valid_channel_numbers(self): | ||
| return (2, 8, 16) | ||
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| def __str__(self): | ||
| return f'AJAAVSource[{self.name}] reading card #{self.device}' | ||
|
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| def build_source(self): | ||
| pipe = f""" | ||
| ajasrc | ||
| name=ajasrc-{self.name} | ||
| device-identifier={self.device} | ||
| channel={self.input_channel} | ||
| video-format={self.vmode} | ||
| ! ajasrcdemux | ||
| name=ajasrcdemux-{self.name} | ||
| """ | ||
|
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||
| # add rest of the video pipeline | ||
| if self.has_video: | ||
| pipe += f"""\ | ||
| ajasrcdemux-{self.name}.video | ||
| """ | ||
|
|
||
| # maybe add deinterlacer | ||
| if deinterlacer := self.build_deinterlacer(): | ||
| pipe += f"""\ | ||
| ! {deinterlacer} | ||
| """ | ||
|
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||
| pipe += f"""\ | ||
| ! videoconvert | ||
| ! videoscale | ||
| ! videorate | ||
| name=vout-{self.name} | ||
| """ | ||
|
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| if chans := self.internal_audio_channels(): | ||
| pipe += f"""\ | ||
| ajasrcdemux-{self.name}.audio | ||
| ! audioconvert | ||
| """ | ||
|
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||
| if chans < 16: | ||
| # Take the first {chans} channels. | ||
| pipe += f"""\ | ||
| ! audiomixmatrix | ||
| in-channels=16 | ||
| out-channels={chans} | ||
| mode=first-channels | ||
| """ | ||
| pipe += f"""\ | ||
| name=aout-{self.name} | ||
| """ | ||
|
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| return pipe | ||
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| def build_audioport(self): | ||
| return f'aout-{self.name}.' | ||
|
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| def build_videoport(self): | ||
| return f'vout-{self.name}.' | ||
|
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| def get_nosignal_text(self): | ||
| return f"{super().get_nosignal_text()}/AJA{self.device}" |