On Thu, Apr 14, 2022 at 05:56:30PM +0200, Andreas Rheinhardt wrote: > Said field is set when parsing a SOF; yet a picture is only allocated > if skip_frame is != AVDISCARD_ALL. This leads to a crash in the > following case: If a jpeg is split into two parts, the first containing > everything before the scans including the SOF and the second part > containing the rest, and the first part is sent to the decoder with > skip_frame set to AVDISCARD_ALL, got_picture is set, yet no picture > is allocated. If the next part is sent with skip_frame set to > AVDISCARD_NONE, the code presumes that a picture has been allocated, > although it hasn't leading to segfaults. > > Fix this by resetting got_picture at the beginning of decoding. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > --- > This patch presumes that there is not use-case for partitioning > the data corresponding to a single AVFrame accross multiple packets. > I am not certain whether this is actually true, in particular > wrt interlaced input where it might be common to put the data for > one field into one packet. > Anyway, no such use is covered by FATE.
This changes timestamps slightly for: ./ffmpeg -an -i ~/tickets/1915/m_noint.avi -an -bitexact -f framecrc -t 1 - not sure thats intended thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Into a blind darkness they enter who follow after the Ignorance, they as if into a greater darkness enter who devote themselves to the Knowledge alone. -- Isha Upanishad
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