On Tue, Apr 21, 2020 at 3:41 AM Michael Niedermayer <mich...@niedermayer.cc> wrote: > > On Mon, Apr 20, 2020 at 04:13:44PM +0530, Gautam Ramakrishnan wrote: > > On Mon, Apr 20, 2020 at 3:38 PM Michael Niedermayer > > <mich...@niedermayer.cc> wrote: > > > > > > On Mon, Apr 20, 2020 at 01:36:47AM +0530, gautamr...@gmail.com wrote: > > > > From: Gautam Ramakrishnan <gautamr...@gmail.com> > > > > > > > > I have attempted to write a JPEG2000 Parser. Need > > > > help on testing the code and some tips on how to > > > > > > to test the code i would sugest to generate a file > > > or files with many jpeg2000 images and then try to > > > decode it to -f framecrc > > This helps me check whether the image is correct by comparing the CRC value? > > > if that work repeat while varying the packet size > > > input to the parser, a parser must work with anything > > > from 1 byte per input to sizes being larger than a > > > single frame. > > > > > So a packet to a parser is basically a smaller unit to which the parser is > > fed > > data to? When I tried printing buffer size during parse, it shows 4096. > > > Does that mean the packet size was 4096? > > yes, that likely comes from > libavformat/img2dec.c: size[0] = 4096; From my understanding of the documentation, the -packetsize option can change the value from 4096 to any particular I want right? However when I try setting the -packetsize option, the buf_size variable still shows up as 4096. > > random pieces of bytes -> parser -> sequence of packets representing frames > > thanks > > [...] > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > If you drop bombs on a foreign country and kill a hundred thousand > innocent people, expect your government to call the consequence > "unprovoked inhuman terrorist attacks" and use it to justify dropping > more bombs and killing more people. The technology changed, the idea is old. > _______________________________________________ > 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".
-- ------------- Gautam | _______________________________________________ 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".
