> On 22/10/2020 02:52, Haihao Xiang wrote: > > Without this change, the output pixel format from qsv decoder is always > > 'qsv' ... > > No it isn't.
My thought was for '-hwaccel qsv' part. > > > ffmpeg -loglevel verbose -hwaccel qsv -c:v h264_qsv > > -hwaccel_output_format yuv420p -i input.h264 > > -pix_fmt rgb24 -f null - > > The legacy decoders still use the -hwaccel option to indicate a desire for > hardware-surface output, so don't set that. > > (Updating them to use the hw_device_ctx API like everything else would be more > useful than adding workarounds in the generic code.) Did you mean to take hwaccel_qsv as a generic hwaccel method and make hw_device_setup_for_decode() works for qsv too? Thanks Haihao > > - Mark > _______________________________________________ > 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". _______________________________________________ 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".
