On Sat, Mar 13, 2021 at 3:48 PM Michael Niedermayer <mich...@niedermayer.cc> wrote:
> On Sat, Mar 13, 2021 at 03:11:34PM +0100, Paul B Mahol wrote: > > On Sat, Mar 13, 2021 at 1:30 PM Michael Niedermayer > <mich...@niedermayer.cc> > > wrote: > > > > > On Thu, Mar 11, 2021 at 07:33:53PM +0100, Paul B Mahol wrote: > > > > Hi, > > > > > > > > With latest master and with any audio only file, using "ffmpeg -i > file -f > > > > null -" reports incorrect duration. > > > > > > ./ffmpeg -i ~/videos/1sec-zero.mp3 -f null - > > > shows durations at 2 points in the output > > > Duration: 00:00:01.03, start: 0.023021, bitrate: 129 kb/s > > > size=N/A time=00:00:00.98 bitrate=N/A speed= 620x > > > > > > the first is exactly the same in ffmpeg 4.3, 3.4 and 2.8.17 > > > The 2nd is a regression since 50b49f833ae2f7d33bd2a99776fed6cb692c171a > > > > > > > Check it with wav files. > > No difference between master and 4.3 or 3.4 > ./ffmpeg -i ~/videos/1sec-zero.wav -f null - > Duration: 00:00:01.01, bitrate: 1536 kb/s > size=N/A time=00:00:01.00 bitrate=N/A speed=1.02e+03x > > Duration: 00:00:01.01, bitrate: 1536 kb/s > size=N/A time=00:00:01.00 bitrate=N/A speed= 993x > Now try with filtering, loudnorm or dynaudnorm, there is even bigger difference. > > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > Never trust a computer, one day, it may think you are the virus. -- Compn > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
