> -----Original Message----- > From: Aman Gupta [mailto:[email protected]] On Behalf Of Aman Gupta > Sent: Tuesday, August 13, 2019 09:05 > To: [email protected] > Cc: [email protected]; Fu, Linjie <[email protected]>; Aman Gupta > <[email protected]> > Subject: [PATCH v2 2/2] vaapi_encode: fix VBR mode generating low bitrates > > From: Aman Gupta <[email protected]> > > On some Intel chips, sending VAEncMiscParameterTypeRateControl multiple > times causes the encoder to produce very low bitrates that do not match > the requested rate controls. > > This is a regression as of af532c921575eb8ee805cc2c64a914f6302442e1. Prior > to that global params were sent only once at the start of the > encoding session. > > The broken VBR behavior was observed on: > > - i5-7260U Kaby Lake > - N3060 CherryView > - N3710 CherryView > - J3455 Broxton > > /cc intel/intel-vaapi-driver#480
If it's a driver related issue, IMHO we'd better have it fixed in specific driver. Also commented on #480. - linjie _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
