On Thu, Mar 27, 2025 at 03:12:57AM +0100, Andreas Rheinhardt wrote: > Michael Niedermayer: > > On Wed, Mar 26, 2025 at 04:08:55AM +0000, Andreas Rheinhardt wrote: > >> ffmpeg | branch: master | Andreas Rheinhardt > >> <andreas.rheinha...@outlook.com> | Mon Mar 3 02:36:55 2025 +0100| > >> [24dbc4c2e82481f89d6fcacee1949e5038c5c2fc] | committer: Andreas Rheinhardt > >> > >> avcodec/mjpegenc: Simplify allocating huffman table > >> > >> Reuse the already computed value of macroblocks; use an array > >> instead of a switch, evaluate 64 * sizeof(MJpegHuffmanCode) > >> at compile-time. > >> > >> Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com> > >> > >>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=24dbc4c2e82481f89d6fcacee1949e5038c5c2fc > >> --- > >> > >> libavcodec/mjpegenc.c | 24 ++++++++++-------------- > >> 1 file changed, 10 insertions(+), 14 deletions(-) > > > > Breaks: (did not investigate why) > > > > ./ffmpeg -i lena.pnm -strict -1 -s 4096x2048 -bitexact -y > > /tmp/file-4096x2048.m2v && ./ffmpeg -i /tmp/file-4096x2048.m2v -y -bitexact > > /tmp/file-4096x2048-dec.jpg > > > > [vost#0:0/mjpeg @ 0x5576d6b7ab00] [enc:mjpeg @ 0x5576d6b79580] Error while > > opening encoder - maybe incorrect parameters such as bit_rate, rate, width > > or height. > > [vf#0:0 @ 0x5576d6b7f140] Error sending frames to consumers: Cannot > > allocate memory > > [vf#0:0 @ 0x5576d6b7f140] Task finished with error code: -12 (Cannot > > allocate memory) > > [vf#0:0 @ 0x5576d6b7f140] Terminating thread with return code -12 (Cannot > > allocate memory) > > [vost#0:0/mjpeg @ 0x5576d6b7ab00] [enc:mjpeg @ 0x5576d6b79580] Could not > > open encoder before EOF > > [vost#0:0/mjpeg @ 0x5576d6b7ab00] Task finished with error code: -22 > > (Invalid argument) > > [vost#0:0/mjpeg @ 0x5576d6b7ab00] Terminating thread with return code -22 > > (Invalid argument) > > [out#0/image2 @ 0x5576d6b7ec80] Nothing was written into output file, > > because at least one of its streams received no packets. > > > > Patch attached. Thanks for testing.
this fixes the issue thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB The difference between a dictatorship and a democracy is that every 4 years the population together is allowed to provide 1 bit of input to the government.
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