getPreferredOutputFormat
status_t err = getPreferredOutputFormat(ioFormat);
status_t err = _inherited::getPreferredOutputFormat(ioFormat);
status_t getPreferredOutputFormat(media_format& ioFormat);
return getPreferredOutputFormat(ioFormat);
return getPreferredOutputFormat(*outFormat);
virtual status_t getPreferredOutputFormat(
getPreferredOutputFormat(preferred);
media_format& ioFormat) { return getPreferredOutputFormat(ioFormat); }