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由 Michael Krufky 提交于
This fixes a bug introduced by a previous changeset entitled, [media] dvb-usb: refactor MFE code for individual streaming config per frontend As reported by Antti Palosaari, This error is shown by VLC when channel changed: [0x7f1bbc000cd0] dvb access error: DMXSetFilter: failed with -1 (Invalid argument) [0x7f1bbc000cd0] dvb access error: DMXSetFilter failed [0x7f1bbc32f910] main stream error: cannot pre fill buffer After my own investigations, I've determined that this error case occurs when the application stops streaming but leaves the frontend and dvr devices open. A typical example of this usage would be a channel change operation while watching live television. The error occurs when the application attempts to stream after tuning to the new channel. To prevent this error, don't set adap->active_fe to -1 unless the application closes the device. Cc: Antti Palosaari <crope@iki.fi> Signed-off-by: NMichael Krufky <mkrufky@kernellabs.com> Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
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