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https://gitee.com/openharmony/third_party_ffmpeg
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dshow: alert as to ramifications of switching crossbar routing
Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
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@ -229,19 +229,26 @@ Select audio capture pin to use by name or alternative name.
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@item crossbar_video_input_pin_number
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@item crossbar_video_input_pin_number
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Select video input pin number for crossbar device. This will be
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Select video input pin number for crossbar device. This will be
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routed to the crossbar device's Video Decoder output pin.
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routed to the crossbar device's Video Decoder output pin.
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Note that changing this value can affect future invocations
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(sets a new default) until system reboot occurs.
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@item crossbar_audio_input_pin_number
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@item crossbar_audio_input_pin_number
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Select audio input pin number for crossbar device. This will be
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Select audio input pin number for crossbar device. This will be
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routed to the crossbar device's Audio Decoder output pin.
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routed to the crossbar device's Audio Decoder output pin.
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Note that changing this value can affect future invocations
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(sets a new default) until system reboot occurs.
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@item show_video_device_dialog
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@item show_video_device_dialog
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If set to @option{true}, before capture starts, popup a display dialog
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If set to @option{true}, before capture starts, popup a display dialog
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to the end user, allowing them to change video filter properties
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to the end user, allowing them to change video filter properties
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and configurations manually.
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and configurations manually.
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Note that for crossbar devices, this may be needed at times to toggle
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Note that for crossbar devices, adjusting values in this dialog
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between PAL and NTSC input frame rates and sizes, etc. Possibly
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may be needed at times to toggle between PAL (25 fps) and NTSC (29.97)
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enabling different scan rates/frame rates and avoiding green bars at
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input frame rates, sizes, interlacing, etc. Changing these values can
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the bottom, etc.
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enable different scan rates/frame rates and avoiding green bars at
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the bottom, flickering scan lines, etc.
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Note that with some devices, changing these properties can also affect future
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invocations (sets new defaults) until system reboot occurs.
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@item show_audio_device_dialog
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@item show_audio_device_dialog
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If set to @option{true}, before capture starts, popup a display dialog
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If set to @option{true}, before capture starts, popup a display dialog
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