On 14.06.2015 11:50, Luca Barbato wrote: > The AVCodecContext width, height, coded_width, coded_height and format > are used mainly as decoding hints and they get internally overwritten > during the data parsing stage. > > Do not assume they match the last AVFrame provided by > avcodec_decode_video2 and assimilated functions since multi-threading > and other frame reordering might make those values to refer to frames > that will be outputted in the future. > > CC: [email protected] > --- > libavcodec/avcodec.h | 22 +++++++++++++++++++--- > 1 file changed, 19 insertions(+), 3 deletions(-) > > diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h > index 3440126..59179dd 100644 > --- a/libavcodec/avcodec.h > +++ b/libavcodec/avcodec.h > @@ -1217,21 +1217,31 @@ typedef struct AVCodecContext { > /* video only */ > /** > * picture width / height. > + * > + * @note Those fields may not match the values of the last > + * AVFrame outputted by avcodec_decode_video2 due frame > + * reorderning. > + *
That would have worked, had it been there from the beginning, but adding it now, after being documented differently for years, doesn't help that much. Best regards, Andreas _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
