On Sun, Jun 14, 2009 at 04:51:36PM +0000, Jai Menon wrote: > On Wed, Jun 10, 2009 at 11:45 AM, Michael Niedermayer<[email protected]> wrote: > > On Tue, Jun 09, 2009 at 03:25:52PM +0000, Jai Menon wrote: > >> On Sat, May 2, 2009 at 8:23 PM, Michael Niedermayer<[email protected]> > >> wrote: > >> > On Sun, May 03, 2009 at 12:56:02AM +0530, Jai Menon wrote: > >> >> On 4/26/09, Michael Niedermayer <[email protected]> wrote: > >> >> > On Sun, Apr 26, 2009 at 05:47:11PM +0530, Jai Menon wrote: > >> >> > > On 4/26/09, Michael Niedermayer <[email protected]> wrote: > >> >> > > > On Sun, Apr 26, 2009 at 04:17:48PM +0530, Jai Menon wrote: > > [...] > > >> I think I have narrowed the problem down to the tagtree decoding code, > >> but don't know what to fix and where to fix. > > > > in the most generic sense you should have some difference between some > > reference implementation and our decoder > > whereever that is there is prior code that can be tested for being > > different or not. > > > > if you tell us what variable with what value in what line of our code > > differs > > from what in what line of some reference we might be able to help ... > > I tried rewriting that part from scratch based on the spec, and still > get the same problems. So maybe my assumption was wrong. > > The file i'm using is file > http://samples.mplayerhq.hu/jpeg2000/j2kp4files_v1_2.zip/testfiles_jp2/file3.jp2 > > Here is jasper's output for that file: > > packet size is 278 > packet size is 58 > packet size is 61 > packet size is 785 > packet size is 162 > packet size is 160 > packet size is 2883 > packet size is 567 > packet size is 533 > packet size is 10259 > packet size is 2056 > packet size is 1905 > packet size is 36007 > packet size is 7836 > packet size is 7421 > packet size is 111139 > packet size is 30613 > packet size is 29299 > no. of packets 18 > > And here is what our decoder says : > > size of packet is 278 > size of packet is 58 > size of packet is 61 > size of packet is 785 > size of packet is 162 > size of packet is 160 > size of packet is 2883 > size of packet is 567 > size of packet is 533 > size of packet is 10259 > size of packet is 1 > ^^^^^^^^^^^^^^^^^^^^^ <------- Packets arent read correctly from here on > size of packet is 21 > size of packet is 1 > size of packet is 31 > size of packet is 1 > size of packet is 164 > size of packet is 35 > size of packet is 42 > no. of packets 18 > > I'll continue looking into this.
could you post the diff to the C files you used to get that output? [...] -- 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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